From mike at fuhr.org Wed Nov 1 07:02:19 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Wed, 1 Nov 2006 08:02:19 -0700
Subject: [postgis-users] Not able to excute spatial query on postgresql
database with postgis support
In-Reply-To: <be5110d00610310847k44253934t27abb7689a47c414@mail.gmail.com>
References: <be5110d00610300700k6b35093aiaac6df9e0ab73dd1@mail.gmail.com>
<20061030152108.GA10539@winnie.fuhr.org>
<be5110d00610300733q12ffd83cw6ee187eab16f3812@mail.gmail.com>
<20061031045730.GA13725@winnie.fuhr.org>
<be5110d00610310847k44253934t27abb7689a47c414@mail.gmail.com>
Message-ID: <20061101150219.GA62805@winnie.fuhr.org>
On Tue, Oct 31, 2006 at 10:47:50AM -0600, vamsee movva wrote:
> > What can you tell us about the geometries in la_damage ?
>
> Honestly i don't have any idea about geometries and how to find geometries.
> the geometry in la_blocks for stfid = 220750501002999?
> I don't know how to see the geometry of the_geom column.
You can see a geometry's textual representation with functions like
AsText() and AsEWKT() or you could see graphical output with various
visualization tools.
> > What's the output of the following query?
>
> SELECT summary(the_geom) FROM la_blocks WHERE stfid = '220750501002999';
> please find the attached file "stfid.txt"
Ouch:
> MultiPolygon[B] with 1 elements
> Polygon[] with 2507 rings
I count 64266 points altogether. Does this geometry's row in
la_blocks contain other columns that explain what it is? Is this
geometry's size an anomaly? The following queries should show
the geometries with the most rings and points:
SELECT stid, npoints(the_geom), nrings(the_geom)
FROM la_blocks
ORDER BY nrings DESC
LIMIT 10;
SELECT stid, npoints(the_geom), nrings(the_geom)
FROM la_blocks
ORDER BY npoints DESC
LIMIT 10;
Examining the geometry's bounding box might also be revealing:
SELECT getbbox(the_geom)
FROM la_blocks
WHERE stfid = '220750501002999';
I'm wondering if this geometry is representative of the rest of the
data or if it's an outlier and possibly bogus.
--
Michael Fuhr
From vamseejump at gmail.com Wed Nov 1 09:11:33 2006
From: vamseejump at gmail.com (vamsee movva)
Date: Wed, 1 Nov 2006 11:11:33 -0600
Subject: [postgis-users] Not able to excute spatial query on postgresql
database with postgis support
In-Reply-To: <20061101150219.GA62805@winnie.fuhr.org>
References: <be5110d00610300700k6b35093aiaac6df9e0ab73dd1@mail.gmail.com>
<20061030152108.GA10539@winnie.fuhr.org>
<be5110d00610300733q12ffd83cw6ee187eab16f3812@mail.gmail.com>
<20061031045730.GA13725@winnie.fuhr.org>
<be5110d00610310847k44253934t27abb7689a47c414@mail.gmail.com>
<20061101150219.GA62805@winnie.fuhr.org>
Message-ID: <be5110d00611010911k36df5f07ra881dcc5b5b53fe6@mail.gmail.com>
Hi Michael,
Thank you for your reply.
Here are results of the queries you mentioned.
AsText() and AsEWKT()
select AsEWKT(the_geom) from la_blocks where stfid='220750501002995';
asewkt
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
MULTIPOLYGON(((-89.826276 29.643064,-89.826879 29.642835,-89.827639
29.642766,-89.828321 29.642949,-89.828609 29.642858,-89.828635 29.641735,-
89.82895 29.6413,-89.829579 29.641323,-89.830628 29.641598,-89.831703
29.642079,-89.832384 29.642559,-89.833171 29.643315,-89.833617 29.643452,-
89.834429 29.643407,-89.835033 29.643819,-89.835164 29.644093,-89.835111
29.644414,-89.835033 29.644529,-89.834666 29.644712,-89.834456 29.644941,-
89.834351 29.645262,-89.834378 29.645743,-89.834719 29.646178,-89.834876
29.646338,-89.834928 29.646636,-89.834719 29.646888,-89.834352 29.646957,-
89.833985 29.646865,-89.833617 29.646636,-89.832936 29.646064,-89.832595
29.645835,-89.832018 29.64572,-89.831389 29.64572,-89.830655 29.646064,-
89.829763 29.646156,-89.828924 29.645995,-89.828269 29.645583,-89.82743
29.64485,-89.827141 29.644415,-89.826931 29.643911,-89.826722 29.64382,-
89.826617 29.643889,-89.826355 29.644324,-89.826302 29.64437,-89.826224
29.644507,-89.826014 29.644622,-89.825725 29.644622,-89.825647 29.644232,-
89.825883 29.643751,-89.826066 29.643454,-89.826197 29.643316,-89.826276
29.643064),(-89.831179 29.643567,-89.830287 29.643682,-89.829946 29.643911,-
89.82992 29.644026,-89.830182 29.644186,-89.831231 29.644735,-89.831467
29.644644,-89.831546 29.644438,-89.831546 29.64398,-89.831441 29.643773,-
89.831179 29.643567)))
(1 row)
(FOR stfid 220750501002999,It gave a very big set of co-ordinates)
SELECT stfid, npoints(the_geom), nrings(the_geom) FROM la_blocks ORDER BY
nrings DESC LIMIT 10;
stfid | npoints | nrings
-----------------+---------+--------
220750501002999 | 64266 | 2507
220750501002103 | 60919 | 2487
220750508001999 | 19019 | 821
220750508001000 | 16480 | 813
220750501002998 | 45421 | 731
221090013004990 | 34863 | 354
221090011003999 | 17073 | 337
221090012024005 | 13503 | 290
220870301012999 | 44032 | 286
220750501002065 | 12727 | 248
(10 rows)
These are the points where the query taking too much time to execute.
SELECT getbbox(the_geom) FROM la_blocks WHERE stfid = '220750501002999';
getbbox
----------------------------------------------------------------------------
BOX(-89.5361709594727 28.8551273345947,-88.8792343139648 29.6479110717773)
(1 row)
I think, the number of rings is the problem
Thanks alot,
have a nice day
vamsee movva
On 11/1/06, Michael Fuhr <mike at fuhr.org> wrote:
>
> On Tue, Oct 31, 2006 at 10:47:50AM -0600, vamsee movva wrote:
> > > What can you tell us about the geometries in la_damage ?
> >
> > Honestly i don't have any idea about geometries and how to find
> geometries.
> > the geometry in la_blocks for stfid = 220750501002999?
> > I don't know how to see the geometry of the_geom column.
>
> You can see a geometry's textual representation with functions like
> AsText() and AsEWKT() or you could see graphical output with various
> visualization tools.
>
> > > What's the output of the following query?
> >
> > SELECT summary(the_geom) FROM la_blocks WHERE stfid = '220750501002999';
> > please find the attached file "stfid.txt"
>
> Ouch:
>
> > MultiPolygon[B] with 1 elements
> > Polygon[] with 2507 rings
>
> I count 64266 points altogether. Does this geometry's row in
> la_blocks contain other columns that explain what it is? Is this
> geometry's size an anomaly? The following queries should show
> the geometries with the most rings and points:
>
> SELECT stid, npoints(the_geom), nrings(the_geom)
> FROM la_blocks
> ORDER BY nrings DESC
> LIMIT 10;
>
> SELECT stid, npoints(the_geom), nrings(the_geom)
> FROM la_blocks
> ORDER BY npoints DESC
> LIMIT 10;
>
> Examining the geometry's bounding box might also be revealing:
>
> SELECT getbbox(the_geom)
> FROM la_blocks
> WHERE stfid = '220750501002999';
>
> I'm wondering if this geometry is representative of the rest of the
> data or if it's an outlier and possibly bogus.
>
> --
> Michael Fuhr
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
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From anntv84 at yahoo.com Wed Nov 1 22:52:47 2006
From: anntv84 at yahoo.com (An Nguyen)
Date: Wed, 1 Nov 2006 22:52:47 -0800 (PST)
Subject: [postgis-users] Problem with pgRouting function:
assign_vertex_id(table, float8)
Message-ID: <20061102065247.35060.qmail@web38610.mail.mud.yahoo.com>
Hi all,
When I use the function assign_vertex_id("mytable", 0.1) of pgRouting with 1000 records, it works well. But I try to use this function with 30000 records it runs during hours and hours and use 100% CPU. And I don't know how much time it costs until the query finishes. It still runs and runs.
My computer:
OS: Linux Fedora Core 5
CPU: Intel Celeron D Family 15 Model 4 Stepping 1 Genuine Intel ~2133
RAM: DDR 256MB+512MB
Anyone had solved this problem before? I need your help!
Thanks a lot,
---------------------------------
Check out the New Yahoo! Mail - Fire up a more powerful email and get things done faster.
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From strk at refractions.net Thu Nov 2 02:29:08 2006
From: strk at refractions.net (strk at refractions.net)
Date: Thu, 2 Nov 2006 11:29:08 +0100
Subject: [postgis-users] snap2geom
In-Reply-To: <4548327B.5030900@mecola.com>
References: <4548327B.5030900@mecola.com>
Message-ID: <20061102102908.GD92848@keybit.net>
On Wed, Nov 01, 2006 at 07:36:59AM +0200, Christo Du Preez wrote:
> Hi All,
>
> Is there a function or something I can use to snap multiple geoms
> [polygons] together so that there borders match. I want to use this
> after I've simplified my geoms.
This sounds an useful one... You might try exposing this functionality
in the GEOS C-API as GEOS-3.0.0 provides it internally. Once it's
in the C-API it will easily be used by postgis.
--strk;
From christo at mecola.com Thu Nov 2 03:59:03 2006
From: christo at mecola.com (Christo Du Preez)
Date: Thu, 02 Nov 2006 13:59:03 +0200
Subject: [postgis-users] snap2geom
In-Reply-To: <20061102102908.GD92848@keybit.net>
References: <4548327B.5030900@mecola.com> <20061102102908.GD92848@keybit.net>
Message-ID: <4549DD87.5020304@mecola.com>
This is waaayyyy over my head. How do I go about doing this and what is
the function called you're referring too?
strk at refractions.net wrote:
> On Wed, Nov 01, 2006 at 07:36:59AM +0200, Christo Du Preez wrote:
>
>> Hi All,
>>
>> Is there a function or something I can use to snap multiple geoms
>> [polygons] together so that there borders match. I want to use this
>> after I've simplified my geoms.
>>
>
> This sounds an useful one... You might try exposing this functionality
> in the GEOS C-API as GEOS-3.0.0 provides it internally. Once it's
> in the C-API it will easily be used by postgis.
>
> --strk;
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
--
Christo Du Preez
Senior Software Engineer
Mecola IT
+27 [0]83 326 8087
From nickblack1 at gmail.com Thu Nov 2 04:36:42 2006
From: nickblack1 at gmail.com (Nick Black)
Date: Thu, 2 Nov 2006 12:36:42 +0000
Subject: [postgis-users] GEOS and PostGIS
Message-ID: <223020e60611020436m55d9d02cmc9e2219645d1237b@mail.gmail.com>
Hello,
psql 8.1.4
Ubuntu server 6.06
I'm trying to connect QGIS to a postgis database, but I get an error
saying that GEOS support is not installed in PostGIS. I have
libgeos-dev and libgeos2c2a installed. The documentation that I have
found only mentions GEOS in the context of compiling Postgres.
Do I need to recompile POstgres with GEOS support, or is it possible to add it?
Thanks in advance,
Nick
From strk at refractions.net Thu Nov 2 05:31:50 2006
From: strk at refractions.net (strk at refractions.net)
Date: Thu, 2 Nov 2006 14:31:50 +0100
Subject: [postgis-users] snap2geom
In-Reply-To: <4549DD87.5020304@mecola.com>
References: <4548327B.5030900@mecola.com> <20061102102908.GD92848@keybit.net>
<4549DD87.5020304@mecola.com>
Message-ID: <20061102133150.GL92848@keybit.net>
On Thu, Nov 02, 2006 at 01:59:03PM +0200, Christo Du Preez wrote:
> This is waaayyyy over my head. How do I go about doing this and what is
> the function called you're referring too?
The GEOS class is GeometrySnapper
(source/headers/geos/precision/GeometrySnapper.h)
The CAPI is
capi/geos_c.cpp AND capi/geos_c.h.in
--strk;
>
> strk at refractions.net wrote:
> > On Wed, Nov 01, 2006 at 07:36:59AM +0200, Christo Du Preez wrote:
> >
> >> Hi All,
> >>
> >> Is there a function or something I can use to snap multiple geoms
> >> [polygons] together so that there borders match. I want to use this
> >> after I've simplified my geoms.
> >>
> >
> > This sounds an useful one... You might try exposing this functionality
> > in the GEOS C-API as GEOS-3.0.0 provides it internally. Once it's
> > in the C-API it will easily be used by postgis.
> >
> > --strk;
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
> >
>
> --
> Christo Du Preez
>
> Senior Software Engineer
> Mecola IT
> +27 [0]83 326 8087
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
--
/"\ ASCII Ribbon Campaign
\ / Respect for low technology.
X Keep e-mail messages readable by any computer system.
/ \ Keep it ASCII.
From strk at refractions.net Thu Nov 2 05:36:04 2006
From: strk at refractions.net (strk at refractions.net)
Date: Thu, 2 Nov 2006 14:36:04 +0100
Subject: [postgis-users] GEOS and PostGIS
In-Reply-To: <223020e60611020436m55d9d02cmc9e2219645d1237b@mail.gmail.com>
References: <223020e60611020436m55d9d02cmc9e2219645d1237b@mail.gmail.com>
Message-ID: <20061102133604.GM92848@keybit.net>
You need to compile *postgis* to get GEOS support
(unless QGIS is wrong and you *do* have it)
select postgis_full_version(); -- to tell
--strk;
On Thu, Nov 02, 2006 at 12:36:42PM +0000, Nick Black wrote:
> Hello,
>
> psql 8.1.4
> Ubuntu server 6.06
>
> I'm trying to connect QGIS to a postgis database, but I get an error
> saying that GEOS support is not installed in PostGIS. I have
> libgeos-dev and libgeos2c2a installed. The documentation that I have
> found only mentions GEOS in the context of compiling Postgres.
>
> Do I need to recompile POstgres with GEOS support, or is it possible to add
> it?
>
> Thanks in advance,
>
> Nick
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
--
/"\ ASCII Ribbon Campaign
\ / Respect for low technology.
X Keep e-mail messages readable by any computer system.
/ \ Keep it ASCII.
From schabi at logix-tt.com Thu Nov 2 05:59:51 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Thu, 02 Nov 2006 14:59:51 +0100
Subject: [postgis-users] vertex2point
In-Reply-To: <AC78B6BABBC9A74C95028F87A0EACF791046F4@exbe04.intra.dlr.de>
References: <AC78B6BABBC9A74C95028F87A0EACF791046F4@exbe04.intra.dlr.de>
Message-ID: <4549F9D7.2030205@logix-tt.com>
Hi, C.Strobl,
C.Strobl at dlr.de wrote:
> is there a postgis function which converts vertices of polygons or lines
> to points? or does anybody know a handy workaround.
> thanks and greetings from munich
> christian
> p.s. besides this: are there functions for converting geometry types at
> all, g.e. lines to polygons, points to lines, ...
See the PostGIS docs, most of the functionality is there.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From schabi at logix-tt.com Thu Nov 2 06:21:50 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Thu, 02 Nov 2006 15:21:50 +0100
Subject: [postgis-users] GEOS and PostGIS
In-Reply-To: <223020e60611020436m55d9d02cmc9e2219645d1237b@mail.gmail.com>
References: <223020e60611020436m55d9d02cmc9e2219645d1237b@mail.gmail.com>
Message-ID: <4549FEFE.9030103@logix-tt.com>
Hi, Nick,
Nick Black wrote:
> psql 8.1.4
> Ubuntu server 6.06
>
> I'm trying to connect QGIS to a postgis database, but I get an error
> saying that GEOS support is not installed in PostGIS. I have
> libgeos-dev and libgeos2c2a installed. The documentation that I have
> found only mentions GEOS in the context of compiling Postgres.
>
> Do I need to recompile POstgres with GEOS support, or is it possible to
> add it?
We talked about that on #postgis.
It seems that the ubuntu people built their postgis without GEOS
support, but QGIS needs a geos-enabled PostGIS.
Short-Term solution: build postgis himself.
Long-Term solution: bug report for the ubuntu packages.
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From nickblack1 at gmail.com Thu Nov 2 07:20:16 2006
From: nickblack1 at gmail.com (Nick Black)
Date: Thu, 2 Nov 2006 15:20:16 +0000
Subject: [postgis-users] Further PostGIS / GEOS problems
Message-ID: <223020e60611020720v2974c94ay724c378e350329ae@mail.gmail.com>
Hello,
Thanks to some help from this list and #postgis, I have diagnosed the
problem with GEOS that I described earlier.
So now I am trying to compile postgis, with this configure option:
./configure --prefix=/usr --with-pgsql=/usr/bin/pg_config
--with-geos=/usr/bin/geos-config --with-proj=/usr
Which give this error:
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
checking for g++... no
checking for c++... no
checking for gpp... no
checking for aCC... no
checking for CC... no
checking for cxx... no
checking for cc++... no
checking for cl... no
checking for FCC... no
checking for KCC... no
checking for RCC... no
checking for xlC_r... no
checking for xlC... no
checking whether we are using the GNU C++ compiler... no
checking whether g++ accepts -g... no
checking whether ln -s works... yes
checking for iconv_open in -liconv... no
checking for libiconv_open in -liconv... no
checking for iconv_open in -lc... yes
checking how to run the C preprocessor... gcc -E
checking for egrep... grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking iconv.h usability... yes
checking iconv.h presence... yes
checking for iconv.h... yes
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking for geos-config... /usr/bin/geos-config
Usage: geos-config [OPTIONS]
Options:
[--prefix]
[--version]
[--libs]
[--cflags]
[--includes]
[--jtsport]
checking for proj... /usr/bin/proj
checking for flex... /usr/bin/flex
checking for dllwrap... no
checking for dlltool... no
checking for bison... bison -y
checking for perl... /usr/bin/perl
checking for xsltproc... /usr/bin/xsltproc
checking for pdfxmltex... no
checking for db2pdf... no
checking for jw... no
checking which template to use... linux
configure: creating ./config.status
config.status: creating Makefile.config
config.status: creating config.h
config.status: config.h is unchanged
SUMMARY
-------------------------------------------------------
HOST_OS: linux-gnu
PGSQL: /usr/bin/pg_config
GEOS: /usr/bin/geos-config
(ldflags: )
PROJ: prefix=/usr libdir=/usr/lib
ICONV: 1
PORTNAME: linux
PREFIX: /usr
EPREFIX: ${prefix}
DOC: ${prefix}/share/doc
DATA: ${prefix}/share
MAN: ${prefix}/man
BIN: ${exec_prefix}/bin
EXT: ${exec_prefix}/lib (${exec_prefix}/lib)
-------------------------------------------------------
Seems that configure cant find g++ etc - which seems strange, as I can
compile other sources without problems.
I am running Ubuntu 6.06, psql 8.1.4
Thanks again,
Nick
From nickblack1 at gmail.com Thu Nov 2 09:02:28 2006
From: nickblack1 at gmail.com (Nick Black)
Date: Thu, 2 Nov 2006 17:02:28 +0000
Subject: [postgis-users] Re: Further PostGIS / GEOS problems
In-Reply-To: <223020e60611020720v2974c94ay724c378e350329ae@mail.gmail.com>
References: <223020e60611020720v2974c94ay724c378e350329ae@mail.gmail.com>
Message-ID: <223020e60611020902g1844d5b4g90c4fdca1b21df61@mail.gmail.com>
To follow up...
I posted a bit too quickly - I was missing a c++ compiler. However,
I'm not in the clear yet - I still have these errors when running
configure:
checking for iconv_open in -liconv... no
checking for libiconv_open in -liconv... no
So I ran
# dpkg -S libiconv
libiconv-hook-dev: /usr/share/doc/libiconv-hook-dev/changelog.Debian.gz
libiconv-hook-dev: /usr/share/doc/libiconv-hook-dev/changelog.gz
libiconv-hook1: /usr/lib/libiconv_hook.so.1
libiconv-hook1: /usr/share/doc/libiconv-hook1/changelog.gz
libiconv-hook-dev: /usr/share/doc/libiconv-hook-dev/copyright
libiconv-hook1: /usr/share/doc/libiconv-hook1/changelog.Debian.gz
libiconv-hook-dev: /usr/share/doc/libiconv-hook-dev
libiconv-hook-dev: /usr/lib/libiconv_hook.so
libiconv-hook1: /usr/share/doc/libiconv-hook1
libiconv-hook1: /usr/lib/libiconv_hook.so.1.0.0
libiconv-hook1: /usr/share/doc/libiconv-hook1/copyright
libiconv-hook1: /usr/lib/libiconv_hook.a
and I have all the libraries isntalled, so now I am at a bit of a dead
end. If I run make and make install, there are no explicit error
messages in the terminal, but when I log into postgres and run:
# SELECT postgis_full_version();
ERROR: could not access file "$libdir/liblwgeom.so.1.1": No such file
or directory
CONTEXT: SQL statement "SELECT postgis_lib_version()"
PL/pgSQL function "postgis_full_version" line 11 at select into variables
>From the end of configure:
PROJ: prefix=/usr libdir=/usr/lib
Locate:
locate liblwgeom.so.1.1
/usr/lib/liblwgeom.so.1.1
So I am wondering if the build was successfull?
The output of configure is posted here:
http://www.blacksworld.net/projects/stuff/conifgure_postgis.txt
Thanks again,
Nick
On 11/2/06, Nick Black <nickblack1 at gmail.com> wrote:
> Hello,
>
> Thanks to some help from this list and #postgis, I have diagnosed the
> problem with GEOS that I described earlier.
>
> So now I am trying to compile postgis, with this configure option:
>
> ./configure --prefix=/usr --with-pgsql=/usr/bin/pg_config
> --with-geos=/usr/bin/geos-config --with-proj=/usr
>
> Which give this error:
>
> checking for gcc... gcc
> checking for C compiler default output file name... a.out
> checking whether the C compiler works... yes
> checking whether we are cross compiling... no
> checking for suffix of executables...
> checking for suffix of object files... o
> checking whether we are using the GNU C compiler... yes
> checking whether gcc accepts -g... yes
> checking for gcc option to accept ANSI C... none needed
> checking for g++... no
> checking for c++... no
> checking for gpp... no
> checking for aCC... no
> checking for CC... no
> checking for cxx... no
> checking for cc++... no
> checking for cl... no
> checking for FCC... no
> checking for KCC... no
> checking for RCC... no
> checking for xlC_r... no
> checking for xlC... no
> checking whether we are using the GNU C++ compiler... no
> checking whether g++ accepts -g... no
> checking whether ln -s works... yes
> checking for iconv_open in -liconv... no
> checking for libiconv_open in -liconv... no
> checking for iconv_open in -lc... yes
> checking how to run the C preprocessor... gcc -E
> checking for egrep... grep -E
> checking for ANSI C header files... yes
> checking for sys/types.h... yes
> checking for sys/stat.h... yes
> checking for stdlib.h... yes
> checking for string.h... yes
> checking for memory.h... yes
> checking for strings.h... yes
> checking for inttypes.h... yes
> checking for stdint.h... yes
> checking for unistd.h... yes
> checking iconv.h usability... yes
> checking iconv.h presence... yes
> checking for iconv.h... yes
> checking build system type... i686-pc-linux-gnu
> checking host system type... i686-pc-linux-gnu
> checking for geos-config... /usr/bin/geos-config
> Usage: geos-config [OPTIONS]
> Options:
> [--prefix]
> [--version]
> [--libs]
> [--cflags]
> [--includes]
> [--jtsport]
> checking for proj... /usr/bin/proj
> checking for flex... /usr/bin/flex
> checking for dllwrap... no
> checking for dlltool... no
> checking for bison... bison -y
> checking for perl... /usr/bin/perl
> checking for xsltproc... /usr/bin/xsltproc
> checking for pdfxmltex... no
> checking for db2pdf... no
> checking for jw... no
> checking which template to use... linux
> configure: creating ./config.status
> config.status: creating Makefile.config
> config.status: creating config.h
> config.status: config.h is unchanged
>
> SUMMARY
> -------------------------------------------------------
>
> HOST_OS: linux-gnu
>
> PGSQL: /usr/bin/pg_config
> GEOS: /usr/bin/geos-config
> (ldflags: )
> PROJ: prefix=/usr libdir=/usr/lib
> ICONV: 1
>
> PORTNAME: linux
> PREFIX: /usr
> EPREFIX: ${prefix}
> DOC: ${prefix}/share/doc
> DATA: ${prefix}/share
> MAN: ${prefix}/man
> BIN: ${exec_prefix}/bin
> EXT: ${exec_prefix}/lib (${exec_prefix}/lib)
> -------------------------------------------------------
>
> Seems that configure cant find g++ etc - which seems strange, as I can
> compile other sources without problems.
>
> I am running Ubuntu 6.06, psql 8.1.4
>
> Thanks again,
>
> Nick
>
From mark.cave-ayland at ilande.co.uk Thu Nov 2 09:38:48 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Thu, 02 Nov 2006 17:38:48 +0000
Subject: [postgis-users] Re: Further PostGIS / GEOS problems
In-Reply-To: <223020e60611020902g1844d5b4g90c4fdca1b21df61@mail.gmail.com>
References: <223020e60611020720v2974c94ay724c378e350329ae@mail.gmail.com>
<223020e60611020902g1844d5b4g90c4fdca1b21df61@mail.gmail.com>
Message-ID: <1162489128.2660.22.camel@mca-desktop>
Hi Nick,
On Thu, 2006-11-02 at 17:02 +0000, Nick Black wrote:
> To follow up...
>
> I posted a bit too quickly - I was missing a c++ compiler. However,
> I'm not in the clear yet - I still have these errors when running
> configure:
>
> checking for iconv_open in -liconv... no
> checking for libiconv_open in -liconv... no
But that's fine since configure later goes on to detect iconv.h and also
reports the following:
checking for iconv_open in -lc... yes
So iconv is being detected without any problems.
(cut)
> Locate:
>
> locate liblwgeom.so.1.1
> /usr/lib/liblwgeom.so.1.1
Hmmm this is strange because $libdir should be set to the output of
"/usr/bin/pg_config --libdir" since liblwgeom.so.1.1 needs to be in the
PostgreSQL lib directory, not the system lib directory.
> > ./configure --prefix=/usr --with-pgsql=/usr/bin/pg_config
> > --with-geos=/usr/bin/geos-config --with-proj=/usr
(looks closer)... can you try running configure without the --prefix
option? I think this is what is causing liblwgeom.so.1.1 to be installed
in the wrong location, e.g. just:
./configure --with-pgsql=/usr/bin/pg_config
--with-geos=/usr/bin/geos-config --with-proj=/usr
Kind regards,
Mark.
From nickblack1 at gmail.com Thu Nov 2 09:46:25 2006
From: nickblack1 at gmail.com (Nick Black)
Date: Thu, 2 Nov 2006 17:46:25 +0000
Subject: [postgis-users] Re: Further PostGIS / GEOS problems
In-Reply-To: <1162489128.2660.22.camel@mca-desktop>
References: <223020e60611020720v2974c94ay724c378e350329ae@mail.gmail.com>
<223020e60611020902g1844d5b4g90c4fdca1b21df61@mail.gmail.com>
<1162489128.2660.22.camel@mca-desktop>
Message-ID: <223020e60611020946o6af3ea3do308651f91dc84d9d@mail.gmail.com>
Bingo. Thanks a lot - changing the configure options seems to have
worked - now get
POSTGIS="1.1.5" GEOS="2.1.4" PROJ="Rel. 4.4.9, 29 Oct 2004" USE_STATS
Thanks for the help
Nick
On 11/2/06, Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk> wrote:
> Hi Nick,
>
> On Thu, 2006-11-02 at 17:02 +0000, Nick Black wrote:
> > To follow up...
> >
> > I posted a bit too quickly - I was missing a c++ compiler. However,
> > I'm not in the clear yet - I still have these errors when running
> > configure:
> >
> > checking for iconv_open in -liconv... no
> > checking for libiconv_open in -liconv... no
>
> But that's fine since configure later goes on to detect iconv.h and also
> reports the following:
>
> checking for iconv_open in -lc... yes
>
> So iconv is being detected without any problems.
>
> (cut)
>
> > Locate:
> >
> > locate liblwgeom.so.1.1
> > /usr/lib/liblwgeom.so.1.1
>
> Hmmm this is strange because $libdir should be set to the output of
> "/usr/bin/pg_config --libdir" since liblwgeom.so.1.1 needs to be in the
> PostgreSQL lib directory, not the system lib directory.
>
> > > ./configure --prefix=/usr --with-pgsql=/usr/bin/pg_config
> > > --with-geos=/usr/bin/geos-config --with-proj=/usr
>
> (looks closer)... can you try running configure without the --prefix
> option? I think this is what is causing liblwgeom.so.1.1 to be installed
> in the wrong location, e.g. just:
>
> ./configure --with-pgsql=/usr/bin/pg_config
> --with-geos=/usr/bin/geos-config --with-proj=/usr
>
>
> Kind regards,
>
> Mark.
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From takubo at saruga-tondara.net Thu Nov 2 10:36:30 2006
From: takubo at saruga-tondara.net (Akio Takubo)
Date: Fri, 3 Nov 2006 03:36:30 +0900
Subject: [postgis-users] Instllation problem on WinXP
In-Reply-To: <1162292850.5744.13.camel@mca-desktop>
References: <20061027030618.914ba6ea.takubo@saruga-tondara.net>
<1162292850.5744.13.camel@mca-desktop>
Message-ID: <20061103033630.2d218cc2.takubo@saruga-tondara.net>
On Tue, 31 Oct 2006 11:07:30 +0000
Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk> wrote:
> On Fri, 2006-10-27 at 03:06 +0900, Akio Takubo wrote:
> > Hello all,
> >
> > I have a strange problem with PostGIS installer for Win32.
> > Have anyone experienced these problem?
> >
> > In my case ...
> > I failed install into only WinXP SP2 *Japanese* edition,
> > when I tryed PostGIS installer with some environments.
> > Some user also said that they have same problem with WInXP SP2 (Japanese).
> >
> > This is a list of my test environments and its result. All env are Win32 not Win64.
> > * WinXP Pro SP2 (Japanese) failed
> > * WinXP Pro SP1 (Japanese) success
> > * WinXP Pro SP2 (English) success
> > * Win2003 Server SP1 (Japanese) success
> >
> > I got same above result by all these installers.
> > * pgInstaller(PostgreSQL 8.1.4) + PostGIS installer (1.1.3)
> > * pgInstaller(PostgreSQL 8.1.5) + PostGIS installer (1.1.5)
> > * pgInstaller(PostgreSQL 8.2beta2 with PostGIS 1.1.5)
> >
> > So there is no problem on SP1 or English ver or Win2003server.
> >
> > But at least I can sucess install WinXP SP2 (Japanese) following combination.
> > * pgInstaller(PostgreSQL 8.1.4 + PostGIS 1.0.5 or PostGIS1.0.6)
> > * pgInstaller(PostgreSQL 8.1.4) + PostGIS 1.1.3 (I built with Linux/Mingw32 envrironment)
> >
> > This error occured a runtime of lwpostgis.sql.
> > One example error message is:
> >
> > psql:../share/contrib/lwpostgis.sql;;35 ERROR: could not load library
> > "C:/Program Files/PostgreSQL/8.1/lib/liblwgeom.dll": ( Error message in japanese)
> >
> > It seems that LoadLibrary API fails to load liblwgeom.dll with 998 (ERROR_NOACCESS) error.
> > I thought that there is some compatibility issue (C++ memory managemnet related?)
> > with WinXP SP2 japanese and current PostGIS build envirnment.
> >
> > Can anyone solve this?
> >
> > Best regards,
> >
> > Akio Takubo @ OSGeo-Japan
> > takubo at saruga-tondara.net
>
>
> Hi Akio,
>
> The only reason I can think of as to why liblwgeom.dll would fail to
> load under SP2 is that Windows cannot find a dependent DLL. The setup
> used to build the installer is WinXP SP2 English, and as you correctly
> note, the installer works fine under this setup.
>
> A useful starting point would be to run the Microsoft Dependency Checker
> (depends.exe) and FileMon (filemon.exe) on your SP1 and SP2 installs to
> determine if there are any dependency differences between the two
> versions of Windows - both of these utilities can be found using Google.
> Posting any differences back to the list should help give a better
> picture as to why PostgreSQL is failing to load the DLL.
>
>
> Kind regards,
>
> Mark.
Sorry for reporting more info too late.
Now I've just finished to test postgis installer with some tools.
I tested with XP SP2(japanese) and XP SP2 (English).
Filemon shows a large diffrence for these two environment.
As postgis installer run lwpostgis.sql, liblwgeom.dll wad read.
In English env, reading libgeos_c-1.dll, libgeos-2.dll and libproj.dll were also
accessed just after liblwgeom.dll. But in Japanese env, only liblwgeom.dll was read,
and other three libraries were not accessed. Both environment seem to have same
directory tree and files. I can't find any diffrence or condition.
At last I made small program only to load liblwpostgis.dll with "LoadLibrary" function.
It works fine to do "LoadLibrary" for both environment...
Above is all my examing result.
Can I get other useful information from my environment?
Best regards,
Akio Takubo @ OSGeo-Japan
takubo at saruga-tondara.net
From strk at refractions.net Thu Nov 2 11:42:45 2006
From: strk at refractions.net (strk at refractions.net)
Date: Thu, 2 Nov 2006 20:42:45 +0100
Subject: [postgis-users] Re: Further PostGIS / GEOS problems
In-Reply-To: <1162489128.2660.22.camel@mca-desktop>
References: <223020e60611020720v2974c94ay724c378e350329ae@mail.gmail.com>
<223020e60611020902g1844d5b4g90c4fdca1b21df61@mail.gmail.com>
<1162489128.2660.22.camel@mca-desktop>
Message-ID: <20061102194245.GS463@keybit.net>
On Thu, Nov 02, 2006 at 05:38:48PM +0000, Mark Cave-Ayland wrote:
> > > ./configure --prefix=/usr --with-pgsql=/usr/bin/pg_config
> > > --with-geos=/usr/bin/geos-config --with-proj=/usr
>
> (looks closer)... can you try running configure without the --prefix
> option? I think this is what is causing liblwgeom.so.1.1 to be installed
> in the wrong location,
mmm... --prefix=/usr => lib in /usr/lib is *intended* behaviour
(or about it), this should modify the lwpostgis.sql file
to point to the *full* path to library. If this doesn't work
it's a bug.
--strk;
From mark.cave-ayland at ilande.co.uk Thu Nov 2 12:47:40 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Thu, 02 Nov 2006 20:47:40 +0000
Subject: [postgis-users] Instllation problem on WinXP
In-Reply-To: <20061103033630.2d218cc2.takubo@saruga-tondara.net>
References: <20061027030618.914ba6ea.takubo@saruga-tondara.net>
<1162292850.5744.13.camel@mca-desktop>
<20061103033630.2d218cc2.takubo@saruga-tondara.net>
Message-ID: <1162500460.2660.27.camel@mca-desktop>
Hi Akio,
On Fri, 2006-11-03 at 03:36 +0900, Akio Takubo wrote:
> Sorry for reporting more info too late.
No problem - thanks for the information.
> Now I've just finished to test postgis installer with some tools.
> I tested with XP SP2(japanese) and XP SP2 (English).
>
> Filemon shows a large diffrence for these two environment.
> As postgis installer run lwpostgis.sql, liblwgeom.dll wad read.
> In English env, reading libgeos_c-1.dll, libgeos-2.dll and libproj.dll were also
> accessed just after liblwgeom.dll. But in Japanese env, only liblwgeom.dll was read,
> and other three libraries were not accessed. Both environment seem to have same
> directory tree and files. I can't find any diffrence or condition.
> At last I made small program only to load liblwpostgis.dll with "LoadLibrary" function.
> It works fine to do "LoadLibrary" for both environment...
>
> Above is all my examing result.
> Can I get other useful information from my environment?
Yes please - can you point the Microsoft Dependency Checker at
liblwgeom.dll on both a Japanese and English environment and see if the
unresolved imports are different?
Kind regards,
Mark.
From gdt at ir.bbn.com Thu Nov 2 13:09:49 2006
From: gdt at ir.bbn.com (Greg Troxel)
Date: Thu, 02 Nov 2006 16:09:49 -0500
Subject: [postgis-users] Re: Further PostGIS / GEOS problems
In-Reply-To: <223020e60611020946o6af3ea3do308651f91dc84d9d@mail.gmail.com>
(Nick Black's message of "Thu\, 2 Nov 2006 17\:46\:25 +0000")
References: <223020e60611020720v2974c94ay724c378e350329ae@mail.gmail.com>
<223020e60611020902g1844d5b4g90c4fdca1b21df61@mail.gmail.com>
<1162489128.2660.22.camel@mca-desktop>
<223020e60611020946o6af3ea3do308651f91dc84d9d@mail.gmail.com>
Message-ID: <rmi64dxzhb6.fsf@fnord.ir.bbn.com>
FWIW, I've created a pkgsrc entry for 1.1.4 (and not looked at
anything newer due to low spare time), and that builds against
PostgreSQL 81 and geos 2.0.0. PostgreSQL, geos and postgis are all
built with --prefix=/usr/pkg.
All that said, if lwgeom was put in the wrong prefix (postgis's vs
PostgreSQL's), I wouldn't have noticed.
pkgsrc is pretty demanding in terms of needing prefix stuff to be
right, so I thought my not having had trouble is a useful datapoint.
--
greg< Troxel <gdt at ir.bbn.com>
From Elvis.Svonja at sensis.com.au Thu Nov 2 20:27:18 2006
From: Elvis.Svonja at sensis.com.au (Svonja, Elvis)
Date: Fri, 3 Nov 2006 15:27:18 +1100
Subject: [postgis-users] PostGIS Solaris problem
Message-ID: <04F81F192A6B4D4CB94097D9D29899A505BBB076@C1-EXG-VS2.corp.org.local>
Hi
I'm trying to install PostGIS on Solaris 10 (Sparc) without any success.
I have tried building it from the source, but I get an error:
make: Fatal error: Command failed for target `install'
I have installed all the dependant packages (i.e. geos, proj4,
libiconv). I wasn't able to find anywhere a Solaris specific
installation archive or package of PostGIS. Any help would be much
appreciated.
Elvis
DETAILED ERROR MESSAGE:
Using GNU make found at /usr/local/bin/gmake
...
...
...
/usr/ccs/bin/yaccpar:5: warning: ignoring #pragma ident
/usr/ccs/bin/yaccpar: In function `lwg_parse_yyparse':
/usr/ccs/bin/yaccpar:164: warning: label `yynewstate' defined but not
used
/usr/ccs/bin/yaccpar:374: warning: label `yyerrlab' defined but not used
/usr/local/bin/flex -Plwg_parse_yy -i -f -o'lex.yy.c' wktparse.lex
flex: fatal internal error, exec failed
gmake[2]: *** [lex.yy.c] Broken Pipe
gmake[2]: *** Deleting file `lex.yy.c'
gmake[2]: Leaving directory `/da01/postgresql/gis/postgis-1.1.5/lwgeom'
gmake[1]: *** [liblwgeom] Error 2
gmake[1]: Leaving directory `/da01/postgresql/gis/postgis-1.1.5'
*** Error code 2
The following command caused the error:
IFS=':' ; \
for dir in $PATH; do \
for prog in gmake gnumake make; do \
if [ -f $dir/$prog ] && ( $dir/$prog -f /dev/null --version
2>/dev/null | grep GNU >/dev/null 2>&1 ) ; then \
GMAKE=$dir/$prog; \
break 2; \
fi; \
done; \
done; \
\
if [ x"${GMAKE+set}" = xset ]; then \
echo "Using GNU make found at ${GMAKE}"; \
${GMAKE} install ; \
else \
echo "You must use GNU make to build PostGIS." ; \
false; \
fi
make: Fatal error: Command failed for target `install'
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From pramsey at refractions.net Thu Nov 2 20:46:11 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Thu, 2 Nov 2006 20:46:11 -0800
Subject: [postgis-users] PostGIS Solaris problem
In-Reply-To: <04F81F192A6B4D4CB94097D9D29899A505BBB076@C1-EXG-VS2.corp.org.local>
References: <04F81F192A6B4D4CB94097D9D29899A505BBB076@C1-EXG-VS2.corp.org.local>
Message-ID: <05C66ABA-6A6F-4B7E-88D1-F08CD8FC349B@refractions.net>
I've always had mixed results trying to build GNU projects with the
default solaris tool chain. Try installing gmake and bison and
taking another run at it.
P
On 2-Nov-06, at 8:27 PM, Svonja, Elvis wrote:
> Hi
>
>
>
> I?m trying to install PostGIS on Solaris 10 (Sparc) without any
> success. I have tried building it from the source, but I get an
> error:
>
>
>
> make: Fatal error: Command failed for target `install'
>
>
>
> I have installed all the dependant packages (i.e. geos, proj4,
> libiconv). I wasn?t able to find anywhere a Solaris specific
> installation archive or package of PostGIS. Any help would be much
> appreciated.
>
>
>
> Elvis
>
>
>
> DETAILED ERROR MESSAGE:
>
>
>
> Using GNU make found at /usr/local/bin/gmake
>
> ?
>
> ?
>
> ?
>
> /usr/ccs/bin/yaccpar:5: warning: ignoring #pragma ident
>
> /usr/ccs/bin/yaccpar: In function `lwg_parse_yyparse':
>
> /usr/ccs/bin/yaccpar:164: warning: label `yynewstate' defined but
> not used
>
> /usr/ccs/bin/yaccpar:374: warning: label `yyerrlab' defined but not
> used
>
> /usr/local/bin/flex -Plwg_parse_yy -i -f -o'lex.yy.c' wktparse.lex
>
> flex: fatal internal error, exec failed
>
> gmake[2]: *** [lex.yy.c] Broken Pipe
>
> gmake[2]: *** Deleting file `lex.yy.c'
>
> gmake[2]: Leaving directory `/da01/postgresql/gis/postgis-1.1.5/
> lwgeom'
>
> gmake[1]: *** [liblwgeom] Error 2
>
> gmake[1]: Leaving directory `/da01/postgresql/gis/postgis-1.1.5'
>
> *** Error code 2
>
> The following command caused the error:
>
> IFS=':' ; \
>
> for dir in $PATH; do \
>
> for prog in gmake gnumake make; do \
>
> if [ -f $dir/$prog ] && ( $dir/$prog -f /dev/null --version 2>/
> dev/null | grep GNU >/dev/null 2>&1 ) ; then \
>
> GMAKE=$dir/$prog; \
>
> break 2; \
>
> fi; \
>
> done; \
>
> done; \
>
> \
>
> if [ x"${GMAKE+set}" = xset ]; then \
>
> echo "Using GNU make found at ${GMAKE}"; \
>
> ${GMAKE} install ; \
>
> else \
>
> echo "You must use GNU make to build PostGIS." ; \
>
> false; \
>
> fi
>
> make: Fatal error: Command failed for target `install'
>
> Sensis. Australia's leading information resource.
> Making complex lives simpler by helping you find, buy and sell.
>
> www.about.sensis.com.au
> www.sensis.com.au
> www.yellow.com.au
> www.whitepages.com.au
> www.citysearch.com.au
> www.whereis.com.au
> www.gostay.com.au
> www.justlisted.com.au
> www.linkme.com.au
> www.telstra.com.au
> www.tradingpost.com.au
> www.universalpublishers.com.au
> www.invizage.com.au
>
> Sensis cares for the environment - think before you print.
>
> This email and any attachments are intended only for the use of the
> recipient and may be confidential and/or legally privileged.
> Sensis Pty Ltd disclaims liability for any errors, omissions,
> viruses, loss and/or damage arising from using, opening or
> transmitting this email.
> If you are not the intended recipient you must not use, interfere
> with, disclose, copy or retain this email and you should notify the
> sender immediately by return email or by contacting Sensis Pty Ltd
> by telephone on [+61 3 8653 5000]
> _______________________________________________
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From Elvis.Svonja at sensis.com.au Thu Nov 2 21:36:34 2006
From: Elvis.Svonja at sensis.com.au (Svonja, Elvis)
Date: Fri, 3 Nov 2006 16:36:34 +1100
Subject: [postgis-users] PostGIS Solaris problem
Message-ID: <04F81F192A6B4D4CB94097D9D29899A505BBB1E0@C1-EXG-VS2.corp.org.local>
I have used GNU Make, and ensured the original one is removed from the
PATH. I also installed bison-1.875d
<ftp://ftp.sunfreeware.com/pub/freeware/intel/10/bison-1.875d-sol10-inte
l-local.gz> ,
However I'm now getting another Broken Pipe message with executing the
following Bison call:
bison -y -vd -p lwg_parse_yy wktparse.y
Full stack:
bash-3.00# make install
make -C lwgeom
make[1]: Entering directory `/da01/postgresql/gis/postgis-1.1.4/lwgeom'
sh ../geos_version.sh /usr/local > postgis_geos_version.h
bison -y -vd -p lwg_parse_yy wktparse.y
make[1]: *** [wktparse.tab.c] Broken Pipe
make[1]: Leaving directory `/da01/postgresql/gis/postgis-1.1.4/lwgeom'
make: *** [liblwgeom] Error 2
Again, any suggestions are very much appreciated
Elvis
________________________________
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Svonja, Elvis
Sent: Friday, 3 November 2006 3:27 PM
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] PostGIS Solaris problem
Hi
I'm trying to install PostGIS on Solaris 10 (Sparc) without any success.
I have tried building it from the source, but I get an error:
make: Fatal error: Command failed for target `install'
I have installed all the dependant packages (i.e. geos, proj4,
libiconv). I wasn't able to find anywhere a Solaris specific
installation archive or package of PostGIS. Any help would be much
appreciated.
Elvis
DETAILED ERROR MESSAGE:
Using GNU make found at /usr/local/bin/gmake
...
...
...
/usr/ccs/bin/yaccpar:5: warning: ignoring #pragma ident
/usr/ccs/bin/yaccpar: In function `lwg_parse_yyparse':
/usr/ccs/bin/yaccpar:164: warning: label `yynewstate' defined but not
used
/usr/ccs/bin/yaccpar:374: warning: label `yyerrlab' defined but not used
/usr/local/bin/flex -Plwg_parse_yy -i -f -o'lex.yy.c' wktparse.lex
flex: fatal internal error, exec failed
gmake[2]: *** [lex.yy.c] Broken Pipe
gmake[2]: *** Deleting file `lex.yy.c'
gmake[2]: Leaving directory `/da01/postgresql/gis/postgis-1.1.5/lwgeom'
gmake[1]: *** [liblwgeom] Error 2
gmake[1]: Leaving directory `/da01/postgresql/gis/postgis-1.1.5'
*** Error code 2
The following command caused the error:
IFS=':' ; \
for dir in $PATH; do \
for prog in gmake gnumake make; do \
if [ -f $dir/$prog ] && ( $dir/$prog -f /dev/null --version
2>/dev/null | grep GNU >/dev/null 2>&1 ) ; then \
GMAKE=$dir/$prog; \
break 2; \
fi; \
done; \
done; \
\
if [ x"${GMAKE+set}" = xset ]; then \
echo "Using GNU make found at ${GMAKE}"; \
${GMAKE} install ; \
else \
echo "You must use GNU make to build PostGIS." ; \
false; \
fi
make: Fatal error: Command failed for target `install'
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Sensis. Australia's leading information resource.
Making complex lives simpler by helping you find, buy and sell.
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www.whitepages.com.au
www.citysearch.com.au
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Sensis cares for the environment - think before you print.
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Sensis Pty Ltd disclaims liability for any errors, omissions, viruses, loss and/or damage arising from using, opening or transmitting this email.
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From andrew.seales at ed.ac.uk Fri Nov 3 02:30:07 2006
From: andrew.seales at ed.ac.uk (Andrew Seales)
Date: Fri, 03 Nov 2006 10:30:07 +0000
Subject: [postgis-users] PostGIS Solaris problem
In-Reply-To: <04F81F192A6B4D4CB94097D9D29899A505BBB1E0@C1-EXG-VS2.corp.org.local>
References: <04F81F192A6B4D4CB94097D9D29899A505BBB1E0@C1-EXG-VS2.corp.org.local>
Message-ID: <454B1A2F.5020802@ed.ac.uk>
Svonja, Elvis wrote:
> I have used GNU Make, and ensured the original one is removed from the
> PATH. I also installed bison-1.875d
> <ftp://ftp.sunfreeware.com/pub/freeware/intel/10/bison-1.875d-sol10-inte
> l-local.gz> ,
>
> However I'm now getting another Broken Pipe message with executing the
> following Bison call:
>
> bison -y -vd -p lwg_parse_yy wktparse.y
>
>
I've found Solaris 10 much better to compile things on than Solaris 8.
There are loads of GNU programs pre-installed in the /usr/sfw/bin so
make sure that folder is in front of any other folders in your PATH
environment variable(eg type export PATH=/usr/sfw/bin:$PATH). We have
successfully been able to install postgres 8.1.4 and postgis 1.1.2 on a
Solaris 10 machine.
--
Andrew Seales
EDINA tel: +44 (0) 131 651 1430
Edinburgh University fax: +44 (0) 131 650 3308
Main Library Building url: http://edina.ac.uk
George Square email: andrew.seales at ed.ac.uk
Edinburgh EH8 9LJ
From andrew.seales at ed.ac.uk Fri Nov 3 02:33:46 2006
From: andrew.seales at ed.ac.uk (Andrew Seales)
Date: Fri, 03 Nov 2006 10:33:46 +0000
Subject: [postgis-users] PostGIS Solaris problem
In-Reply-To: <454B1A2F.5020802@ed.ac.uk>
References: <04F81F192A6B4D4CB94097D9D29899A505BBB1E0@C1-EXG-VS2.corp.org.local>
<454B1A2F.5020802@ed.ac.uk>
Message-ID: <454B1B0A.8070101@ed.ac.uk>
Andrew Seales wrote:
> Svonja, Elvis wrote:
>> I have used GNU Make, and ensured the original one is removed from the
>> PATH. I also installed bison-1.875d
>> <ftp://ftp.sunfreeware.com/pub/freeware/intel/10/bison-1.875d-sol10-inte
>> l-local.gz> ,
>>
>> However I'm now getting another Broken Pipe message with executing the
>> following Bison call:
>>
>> bison -y -vd -p lwg_parse_yy wktparse.y
>>
>>
Sorry, forgot to mention you'll probably need to do 'export
LD_LIBRARY_PATH=/usr/sfw/lib:$LD_LIBRARY_PATH' as well.
--
Andrew Seales
EDINA tel: +44 (0) 131 651 1430
Edinburgh University fax: +44 (0) 131 650 3308
Main Library Building url: http://edina.ac.uk
George Square email: andrew.seales at ed.ac.uk
Edinburgh EH8 9LJ
From mike at fuhr.org Fri Nov 3 07:27:47 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Fri, 3 Nov 2006 08:27:47 -0700
Subject: [postgis-users] Not able to excute spatial query on postgresql
database with postgis support
In-Reply-To: <be5110d00611010911k36df5f07ra881dcc5b5b53fe6@mail.gmail.com>
References: <be5110d00610300700k6b35093aiaac6df9e0ab73dd1@mail.gmail.com>
<20061030152108.GA10539@winnie.fuhr.org>
<be5110d00610300733q12ffd83cw6ee187eab16f3812@mail.gmail.com>
<20061031045730.GA13725@winnie.fuhr.org>
<be5110d00610310847k44253934t27abb7689a47c414@mail.gmail.com>
<20061101150219.GA62805@winnie.fuhr.org>
<be5110d00611010911k36df5f07ra881dcc5b5b53fe6@mail.gmail.com>
Message-ID: <20061103152747.GA58969@winnie.fuhr.org>
On Wed, Nov 01, 2006 at 11:11:33AM -0600, vamsee movva wrote:
> SELECT getbbox(the_geom) FROM la_blocks WHERE stfid = '220750501002999';
> getbbox
> ----------------------------------------------------------------------------
> BOX(-89.5361709594727 28.8551273345947,-88.8792343139648 29.6479110717773)
> (1 row)
>
> I think, the number of rings is the problem
This geometry sits over part of Plaquemines Parish, which makes
sense since that Parish's FIPS code is 22075. Plaquemines Parish
has a lot of water so I'm wondering if the rings represent land/water
boundaries. Do you know if that's the case? Is that relevant to
your needs? Might you be able to use only the exterior ring,
possibly simplified?
--
Michael Fuhr
From takubo at saruga-tondara.net Fri Nov 3 08:24:51 2006
From: takubo at saruga-tondara.net (Akio Takubo)
Date: Sat, 4 Nov 2006 01:24:51 +0900
Subject: [postgis-users] Instllation problem on WinXP
In-Reply-To: <1162500460.2660.27.camel@mca-desktop>
References: <20061027030618.914ba6ea.takubo@saruga-tondara.net>
<1162292850.5744.13.camel@mca-desktop>
<20061103033630.2d218cc2.takubo@saruga-tondara.net>
<1162500460.2660.27.camel@mca-desktop>
Message-ID: <20061104012451.f30a84c2.takubo@saruga-tondara.net>
Hi Mark,
As you said, I checked dependency of liblwgeom.dll on XP SP2 ja and en env.
At first, just after installation, lwgeom.dll could find kernel32.dll and msvcrt.dll
but couldn't find libgeos_c-1.dll, libproj.dll and postgresql.exe in both system.
Because %PATH% env didn't include Postgres's bin directry,
I thoutht it isn't wrong result.
Second, I added postgres's bin directry to %PATH% and checked dependency again.
On both system, liblwgeom.dll could find all dll. Some system dll, which is not directly
linked liblwgeom.dll, only have small diffrent in dependency tree.
If you need dependency log on japanese system, I can send it for you.
On Thu, 02 Nov 2006 20:47:40 +0000
Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk> wrote:
> Hi Akio,
>
> On Fri, 2006-11-03 at 03:36 +0900, Akio Takubo wrote:
>
> > Sorry for reporting more info too late.
>
> No problem - thanks for the information.
>
> > Now I've just finished to test postgis installer with some tools.
> > I tested with XP SP2(japanese) and XP SP2 (English).
> >
> > Filemon shows a large diffrence for these two environment.
> > As postgis installer run lwpostgis.sql, liblwgeom.dll wad read.
> > In English env, reading libgeos_c-1.dll, libgeos-2.dll and libproj.dll were also
> > accessed just after liblwgeom.dll. But in Japanese env, only liblwgeom.dll was read,
> > and other three libraries were not accessed. Both environment seem to have same
> > directory tree and files. I can't find any diffrence or condition.
> > At last I made small program only to load liblwpostgis.dll with "LoadLibrary" function.
> > It works fine to do "LoadLibrary" for both environment...
> >
> > Above is all my examing result.
> > Can I get other useful information from my environment?
>
> Yes please - can you point the Microsoft Dependency Checker at
> liblwgeom.dll on both a Japanese and English environment and see if the
> unresolved imports are different?
>
>
> Kind regards,
>
> Mark.
>
Best regards,
Akio Takubo @ OSGeo-Japan
takubo at saruga-tondara.net
From dave.potts at pinan.co.uk Fri Nov 3 09:39:19 2006
From: dave.potts at pinan.co.uk (David Potts)
Date: Fri, 3 Nov 2006 17:39:19 -0000 (UTC)
Subject: [postgis-users] postgis and pl/java
Message-ID: <39114.195.27.52.9.1162575559.squirrel@dp2642.force9.co.uk>
Has anybody tried to mix PL/Java and postgis ?
It seems that PL/Java comes with a special version of the java postgres
driver, postgis has an extended version of normal postgres java driver.
Just wondering if anybody has tried mxing these two products before?
I have a table with some values in it, when they get updated I want to
fire a trigger which will result in an update spatial setting in an table.
D.
From schabi at logix-tt.com Fri Nov 3 09:52:38 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Fri, 03 Nov 2006 18:52:38 +0100
Subject: [postgis-users] postgis and pl/java
In-Reply-To: <39114.195.27.52.9.1162575559.squirrel@dp2642.force9.co.uk>
References: <39114.195.27.52.9.1162575559.squirrel@dp2642.force9.co.uk>
Message-ID: <454B81E6.9050700@logix-tt.com>
Hi, David,
David Potts wrote:
> Has anybody tried to mix PL/Java and postgis ?
>
> It seems that PL/Java comes with a special version of the java postgres
> driver, postgis has an extended version of normal postgres java driver.
No, it doesn't. It has its own implementation of the JDBC interface, and
nearly nothing in common besides implementing the SUN JDBC standard.
The main reason for this is that the standalone JDBC driver uses TCP
connections to the server, whereas pl/java uses the server internal SPI
interface via Java Native Interface and C glue code.
> Just wondering if anybody has tried mxing these two products before?
Yes, I have.
The prototypes for a type Mapping for PostGIS Geometries are currently
in postgis SVN, in the java/pljava directory.
But I doubt that they will work with the released 1.3 version of pljava,
as this version is buggy wr/t variable length datatypes. Actually, my
code for PostGIS and the example "varlentuple" data type I developed for
debugging purposes was the first attempt to actually implement a java
mapping for a variable length custom datatype. All the examples and
regression code only implements fixed length datatype mappings, apart
from the supported PostgreSQL builtin types like varchar, which are
special-cased in the driver.
I'm currently working on a patchset with the author of pljava (see
discussions on the pljava mailing list), but things are going rather
slow due to time constraints on both sides. I hope to finish the
patchwork this weekend, so it might be included in the next release of
pljava.
As soon as that's finished, the current pljava code in postgis should
work, but it's still missing a build system, documentation, and some
code merging between pljava and the "normal" jdbc implementation.
> I have a table with some values in it, when they get updated I want to
> fire a trigger which will result in an update spatial setting in an table.
As long as there's no type mapping, the PostGIS types will be mapped to
String in pljava, that means that you can get PostGIS geometry and boxes
in their text representation (the same you see using psql command line),
and you can parse them "manually" using the PostGIS java code. For
return values / out parameters, do the opposite, return the String
representation of the data.
Alternatively, write your trigger using plpgsql, which supports all
datatypes.
HTH,
Markus
From pdoria at netmadeira.com Fri Nov 3 11:30:49 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Fri, 3 Nov 2006 19:30:49 -0000
Subject: [postgis-users] Help with query
Message-ID: <003a01c6ff7e$91d6bf50$23d6bed5@oem41cbbf9e178>
This is probably not the best place to be asking such a (lame) question but
perhaps someone is gracious enough to lend me a hand. ;-)
I have the following setup in a table:
The first record which is to be found (ok easy enough :D) with a timestamp
meets a certain condition (ignition off)
The following record is for the event of ignition on again with a timestamp.
So the question here is: how can I compute the time difference between these
two records in a single query?
Better yet: finding all the records that meet the first condition (ignition
off) and the immediately following records as to compute the time
difference. ;-)
Thanks in advance!
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
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From robe.dnd at cityofboston.gov Fri Nov 3 13:04:14 2006
From: robe.dnd at cityofboston.gov (Obe, Regina)
Date: Fri, 3 Nov 2006 16:04:14 -0500
Subject: [postgis-users] Help with query
Message-ID: <53F9CF533E1AA14EA1F8C5C08ABC08D2011ADDA0@ZDND.DND.boston.cob>
I'm going to assume your table has 2 fields
ignition_on which is a boolean
actiontime which is a timestamp
and your table is called ignition_log
I would try the following - haven't tested it so don't know if it will
work
SELECT igoff.actiontime as ignition_off_time, MIN(igon.actiontime) as
ignition_on_time, MIN(igon.actiontime) - igoff.actiontime as
igdifference
FROM ignition_log igoff INNER JOIN ignition_log igon
ON igoff.actiontime < igon.actiontime AND igoff.ignition_on =
false AND igon.ignition_on = true
GROUP BY igoff.actiontime
________________________________
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Pedro Doria Meunier
Sent: Friday, November 03, 2006 2:31 PM
To: 'PostGIS Users Discussion'
Subject: [postgis-users] Help with query
This is probably not the best place to be asking such a (lame) question
but perhaps someone is gracious enough to lend me a hand... ;-)
I have the following setup in a table:
The first record which is to be found (ok easy enough :D) with a
timestamp meets a certain condition (ignition off)
The following record is for the event of ignition on again with a
timestamp.
So the question here is: how can I compute the time difference between
these two records in a single query?
Better yet: finding all the records that meet the first condition
(ignition off) and the immediately following records as to compute the
time difference. ;-)
Thanks in advance!
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
-----------------------------------------
The substance of this message, including any attachments, may be
confidential, legally
privileged and/or exempt from disclosure pursuant to Massachusetts
law. It is intended
solely for the addressee. If you received this in error, please
contact the sender and
delete the material from any computer.
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From andresavila777 at hotmail.com Fri Nov 3 13:06:40 2006
From: andresavila777 at hotmail.com (andres avila)
Date: Fri, 03 Nov 2006 17:06:40 -0400
Subject: [postgis-users] Help with query
Message-ID: <BAY23-F49A0FB5EC7C8188659C6E84FE0@phx.gbl>
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From woodbri at swoodbridge.com Fri Nov 3 13:14:45 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Fri, 03 Nov 2006 16:14:45 -0500
Subject: [postgis-users] Help with query
In-Reply-To: <003a01c6ff7e$91d6bf50$23d6bed5@oem41cbbf9e178>
References: <003a01c6ff7e$91d6bf50$23d6bed5@oem41cbbf9e178>
Message-ID: <454BB145.80300@swoodbridge.com>
Pedro,
In general there is no association between records in the database
unless you explicitly associate them. In fact two records that you
insert from process A might not actually be adjacent in the database if
other processes are inserting also.
So what you need to do is create a column like 'process_id' where
process_id is a unique identifier for a sequence of steps then you can
select all those records and order then by the timestamp and then you
can compute the time differences.
-Steve
Pedro Doria Meunier wrote:
>
>
> This is probably not the best place to be asking such a (lame) question
> but perhaps someone is gracious enough to lend me a hand? ;-)
>
>
>
> I have the following setup in a table:
>
>
>
> The first record which is to be found (ok easy enough :D) with a
> timestamp meets a certain condition (ignition off)
>
> The following record is for the event of ignition on again with a
> timestamp.
>
>
>
> So the question here is: how can I compute the time difference between
> these two records in a single query?
>
> Better yet: finding all the records that meet the first condition
> (ignition off) and the immediately following records as to compute the
> time difference. ;-)
>
>
>
> Thanks in advance!
>
>
>
> Pedro Doria Meunier
>
> (351) 91 302 49 72 - (351) 96 247 99 12
>
> MSN - pdoriam at hotmail.com <mailto:pdoriam at hotmail.com>
>
> ICQ - 308-182-126
>
> Skype: pdoriam
>
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From pdoria at netmadeira.com Fri Nov 3 14:14:55 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Fri, 3 Nov 2006 22:14:55 -0000
Subject: [postgis-users] Help with query
In-Reply-To: <53F9CF533E1AA14EA1F8C5C08ABC08D2011ADDA0@ZDND.DND.boston.cob>
Message-ID: <007101c6ff95$7ea48900$23d6bed5@oem41cbbf9e178>
Regina,
You're absolutely the GREATEST! It worked like a charm!
Thank you VERY much!
All the best,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Obe,
Regina
Sent: sexta-feira, 3 de Novembro de 2006 21:04
To: PostGIS Users Discussion
Subject: RE: [postgis-users] Help with query
I'm going to assume your table has 2 fields
ignition_on which is a boolean
actiontime which is a timestamp
and your table is called ignition_log
I would try the following - haven't tested it so don't know if it will work
SELECT igoff.actiontime as ignition_off_time, MIN(igon.actiontime) as
ignition_on_time, MIN(igon.actiontime) - igoff.actiontime as igdifference
FROM ignition_log igoff INNER JOIN ignition_log igon
ON igoff.actiontime < igon.actiontime AND igoff.ignition_on = false
AND igon.ignition_on = true
GROUP BY igoff.actiontime
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Pedro
Doria Meunier
Sent: Friday, November 03, 2006 2:31 PM
To: 'PostGIS Users Discussion'
Subject: [postgis-users] Help with query
This is probably not the best place to be asking such a (lame) question but
perhaps someone is gracious enough to lend me a hand. ;-)
I have the following setup in a table:
The first record which is to be found (ok easy enough :D) with a timestamp
meets a certain condition (ignition off)
The following record is for the event of ignition on again with a timestamp.
So the question here is: how can I compute the time difference between these
two records in a single query?
Better yet: finding all the records that meet the first condition (ignition
off) and the immediately following records as to compute the time
difference. ;-)
Thanks in advance!
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
_____
The substance of this message, including any attachments, may be
confidential, legally
privileged and/or exempt from disclosure pursuant to Massachusetts
law. It is intended
solely for the addressee. If you received this in error, please
contact the sender and
delete the material from any computer.
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From pramsey at refractions.net Fri Nov 3 17:02:36 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Fri, 3 Nov 2006 17:02:36 -0800
Subject: [postgis-users] Help with query
In-Reply-To: <007101c6ff95$7ea48900$23d6bed5@oem41cbbf9e178>
References: <007101c6ff95$7ea48900$23d6bed5@oem41cbbf9e178>
Message-ID: <A22DC6A3-958C-42C4-8114-F0CFED487F17@refractions.net>
Ye gods, Regina, you're amazing.
On 3-Nov-06, at 2:14 PM, Pedro Doria Meunier wrote:
> Regina,
>
>
>
> You?re absolutely the GREATEST! It worked like a charm!
>
>
>
> Thank you VERY much!
>
>
>
> All the best,
>
>
>
> Pedro Doria Meunier
>
> (351) 91 302 49 72 - (351) 96 247 99 12
>
> MSN - pdoriam at hotmail.com
>
> ICQ - 308-182-126
>
> Skype: pdoriam
>
>
>
> From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-
> users-bounces at postgis.refractions.net] On Behalf Of Obe, Regina
> Sent: sexta-feira, 3 de Novembro de 2006 21:04
> To: PostGIS Users Discussion
> Subject: RE: [postgis-users] Help with query
>
>
>
> I'm going to assume your table has 2 fields
>
> ignition_on which is a boolean
>
> actiontime which is a timestamp
>
>
>
> and your table is called ignition_log
>
>
>
> I would try the following - haven't tested it so don't know if it
> will work
>
>
>
> SELECT igoff.actiontime as ignition_off_time, MIN(igon.actiontime)
> as ignition_on_time, MIN(igon.actiontime) - igoff.actiontime as
> igdifference
>
> FROM ignition_log igoff INNER JOIN ignition_log igon
>
> ON igoff.actiontime < igon.actiontime AND igoff.ignition_on
> = false AND igon.ignition_on = true
>
> GROUP BY igoff.actiontime
>
>
>
> From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-
> users-bounces at postgis.refractions.net] On Behalf Of Pedro Doria
> Meunier
> Sent: Friday, November 03, 2006 2:31 PM
> To: 'PostGIS Users Discussion'
> Subject: [postgis-users] Help with query
>
> This is probably not the best place to be asking such a (lame)
> question but perhaps someone is gracious enough to lend me a hand? ;-)
>
>
>
> I have the following setup in a table:
>
>
>
> The first record which is to be found (ok easy enough :D) with a
> timestamp meets a certain condition (ignition off)
>
> The following record is for the event of ignition on again with a
> timestamp.
>
>
>
> So the question here is: how can I compute the time difference
> between these two records in a single query?
>
> Better yet: finding all the records that meet the first condition
> (ignition off) and the immediately following records as to compute
> the time difference. ;-)
>
>
>
> Thanks in advance!
>
>
>
> Pedro Doria Meunier
>
> (351) 91 302 49 72 - (351) 96 247 99 12
>
> MSN - pdoriam at hotmail.com
>
> ICQ - 308-182-126
>
> Skype: pdoriam
>
>
>
>
>
>
>
> The substance of this message, including any attachments, may be
> confidential, legally
> privileged and/or exempt from disclosure pursuant to Massachusetts
> law. It is intended
> solely for the addressee. If you received this in error, please
> contact the sender and
> delete the material from any computer.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
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From davidtecher at yahoo.fr Sun Nov 5 08:35:53 2006
From: davidtecher at yahoo.fr (TECHER David)
Date: Sun, 05 Nov 2006 17:35:53 +0100
Subject: [postgis-users] Updating PostGIS Doc on Web Site
Message-ID: <454E12E9.40408@yahoo.fr>
hi
it seems that postgis doc on web site is only for 1.1.3!
Why not updating it for 1.1.5?
Thanks!
--david;
http://www.davidgis.fr
___________________________________________________________________________
D?couvrez une nouvelle fa?on d'obtenir des r?ponses ? toutes vos questions !
Profitez des connaissances, des opinions et des exp?riences des internautes sur Yahoo! Questions/R?ponses
http://fr.answers.yahoo.com
From levian00 at students.oamk.fi Sun Nov 5 09:16:13 2006
From: levian00 at students.oamk.fi (Ville Antti Ensio Leinonen)
Date: Sun, 5 Nov 2006 19:16:13 +0200 (EET)
Subject: [postgis-users] pgrouting 0.7 and a*
Message-ID: <Pine.GSO.4.64.0611051905570.21859@rhea>
Hi. Im working with routing. I allready have tryed with pgdijsktra module
and that worked somewhat right, now i found pgrouting 0.9.7 module. I got
dijkstra to works sameway as in pgdijsktra, but i cant find any howto or
tutorial to get A* work.
for dijkstra i have
l table with data
l.edges has id,source,targer,cost,reverse_cost
l.vertices has id,the_geom
works fine after little modification to _internal_id() function, and
actually looks like pgrouting works better that pgdijkstra when using
dijsktra.
Now what i need to do to get A* work, i assume that i need x1,x2,y1,y2
columns to l.edges table? but what data and how i populate those values?
maybe something to do with long/lat?
shortest_astar_path_as_geometry('l', source_id, target_id, delta);
And what is delta, README.INSTALL file dosen't talk to me.
Thanks You for help
---------------------------------
-- Ville Leinonen --
----------------------------------
From sandeepkumar.jakkaraju at gmail.com Sun Nov 5 09:19:58 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Sun, 5 Nov 2006 22:49:58 +0530
Subject: [postgis-users] pgrouting 0.7 and a*
In-Reply-To: <Pine.GSO.4.64.0611051905570.21859@rhea>
References: <Pine.GSO.4.64.0611051905570.21859@rhea>
Message-ID: <c653c98f0611050919y525c2499uca31f57d5ad1d4e@mail.gmail.com>
I have one query ..how do you test if that pg_routing is giving
correct results or not ??
Thanks
-
sandeep
On 11/5/06, Ville Antti Ensio Leinonen <levian00 at students.oamk.fi> wrote:
Hi. Im working with routing. I allready have tryed with pgdijsktra cmodule
> and that worked somewhat right, now i found pgrouting 0.9.7 module. I got
> dijkstra to works sameway as in pgdijsktra, but i cant find any howto or
> tutorial to get A* work.
>
> for dijkstra i have
> l table with data
> l.edges has id,source,targer,cost,reverse_cost
> l.vertices has id,the_geom
> works fine after little modification to _internal_id() function, and
> actually looks like pgrouting works better that pgdijkstra when using
> dijsktra.
>
> Now what i need to do to get A* work, i assume that i need x1,x2,y1,y2
> columns to l.edges table? but what data and how i populate those values?
> maybe something to do with long/lat?
>
> shortest_astar_path_as_geometry('l', source_id, target_id, delta);
> And what is delta, README.INSTALL file dosen't talk to me.
>
> Thanks You for help
>
>
>
> ---------------------------------
> -- Ville Leinonen --
> ----------------------------------
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From pdoria at netmadeira.com Sun Nov 5 09:29:47 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Sun, 05 Nov 2006 17:29:47 +0000
Subject: [postgis-users] pgrouting 0.7 and a*
In-Reply-To: <Pine.GSO.4.64.0611051905570.21859@rhea>
References: <Pine.GSO.4.64.0611051905570.21859@rhea>
Message-ID: <1162747787.31570.0.camel@mgpsmobile>
PGRouting???
I'm *very* interested in this!!! where can I get the module?
Regards,
Pedro
On Sun, 2006-11-05 at 19:16 +0200, Ville Antti Ensio Leinonen wrote:
> Hi. Im working with routing. I allready have tryed with pgdijsktra module
> and that worked somewhat right, now i found pgrouting 0.9.7 module. I got
> dijkstra to works sameway as in pgdijsktra, but i cant find any howto or
> tutorial to get A* work.
>
> for dijkstra i have
> l table with data
> l.edges has id,source,targer,cost,reverse_cost
> l.vertices has id,the_geom
> works fine after little modification to _internal_id() function, and
> actually looks like pgrouting works better that pgdijkstra when using
> dijsktra.
>
> Now what i need to do to get A* work, i assume that i need x1,x2,y1,y2
> columns to l.edges table? but what data and how i populate those values?
> maybe something to do with long/lat?
>
> shortest_astar_path_as_geometry('l', source_id, target_id, delta);
> And what is delta, README.INSTALL file dosen't talk to me.
>
> Thanks You for help
>
>
>
> ---------------------------------
> -- Ville Leinonen --
> ----------------------------------
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From levian00 at students.oamk.fi Sun Nov 5 10:00:37 2006
From: levian00 at students.oamk.fi (Ville Antti Ensio Leinonen)
Date: Sun, 5 Nov 2006 20:00:37 +0200 (EET)
Subject: [postgis-users] pgrouting 0.7 and a*
In-Reply-To: <1162747787.31570.0.camel@mgpsmobile>
References: <Pine.GSO.4.64.0611051905570.21859@rhea>
<1162747787.31570.0.camel@mgpsmobile>
Message-ID: <Pine.GSO.4.64.0611051957520.21859@rhea>
http://www.postlbs.org/postlbs-cms/en/download
linux and windows versions
And working i mean shortest_astar_path_as_geometry() and
shortest_astar_path() wants those x1,x2,y1,y2 but i dont where and how i
create them.
---------------------------------
-- Ville Leinonen --
-- TTE2SNY1/TTE2SN4Z --
-- OTE ry hallituksen j?sen --
----------------------------------
On Sun, 5 Nov 2006, Pedro Doria Meunier wrote:
> PGRouting???
>
> I'm *very* interested in this!!! where can I get the module?
>
> Regards,
> Pedro
>
> On Sun, 2006-11-05 at 19:16 +0200, Ville Antti Ensio Leinonen wrote:
>> Hi. Im working with routing. I allready have tryed with pgdijsktra module
>> and that worked somewhat right, now i found pgrouting 0.9.7 module. I got
>> dijkstra to works sameway as in pgdijsktra, but i cant find any howto or
>> tutorial to get A* work.
>>
>> for dijkstra i have
>> l table with data
>> l.edges has id,source,targer,cost,reverse_cost
>> l.vertices has id,the_geom
>> works fine after little modification to _internal_id() function, and
>> actually looks like pgrouting works better that pgdijkstra when using
>> dijsktra.
>>
>> Now what i need to do to get A* work, i assume that i need x1,x2,y1,y2
>> columns to l.edges table? but what data and how i populate those values?
>> maybe something to do with long/lat?
>>
>> shortest_astar_path_as_geometry('l', source_id, target_id, delta);
>> And what is delta, README.INSTALL file dosen't talk to me.
>>
>> Thanks You for help
>>
>>
>>
>> ---------------------------------
>> -- Ville Leinonen --
>> ----------------------------------
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
From Elvis.Svonja at sensis.com.au Sun Nov 5 19:00:42 2006
From: Elvis.Svonja at sensis.com.au (Svonja, Elvis)
Date: Mon, 6 Nov 2006 14:00:42 +1100
Subject: [postgis-users] PostGIS Solaris problem
Message-ID: <04F81F192A6B4D4CB94097D9D29899A505BF861B@C1-EXG-VS2.corp.org.local>
Thanks Andrew.
As you suggested, I tried adding "/usr/sfw/bin" at the front of the
PATH, as well as "/usr/sfw/lib" to the LD_LIBRARY_PATH.
I also made sure I have the Bison latest version for Solaris 10
installed, but no luck. I keep getting the "broken pipe" error, as
shown below.
Is there a specific version of PostGIS that is recommended for Solaris
10 SPARC ?
ERROR DETAILS:
bison -y -vd -p lwg_parse_yy wktparse.y
gmake[2]: *** [wktparse.tab.c] Broken Pipe
gmake[2]: Leaving directory `/da01/postgresql/gis/postgis-1.1.4/lwgeom'
gmake[1]: *** [liblwgeom] Error 2
gmake[1]: Leaving directory `/da01/postgresql/gis/postgis-1.1.4'
*** Error code 2
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Andrew Seales
Sent: Friday, 3 November 2006 9:34 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] PostGIS Solaris problem
Andrew Seales wrote:
> Svonja, Elvis wrote:
>> I have used GNU Make, and ensured the original one is removed from
the
>> PATH. I also installed bison-1.875d
>>
<ftp://ftp.sunfreeware.com/pub/freeware/intel/10/bison-1.875d-sol10-inte
>> l-local.gz> ,
>>
>> However I'm now getting another Broken Pipe message with executing
the
>> following Bison call:
>>
>> bison -y -vd -p lwg_parse_yy wktparse.y
>>
>>
Sorry, forgot to mention you'll probably need to do 'export
LD_LIBRARY_PATH=/usr/sfw/lib:$LD_LIBRARY_PATH' as well.
--
Andrew Seales
EDINA tel: +44 (0) 131 651 1430
Edinburgh University fax: +44 (0) 131 650 3308
Main Library Building url: http://edina.ac.uk
George Square email: andrew.seales at ed.ac.uk
Edinburgh EH8 9LJ
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From meawkittycat2004 at yahoo.com Sun Nov 5 19:56:59 2006
From: meawkittycat2004 at yahoo.com (Luksana Sridawong)
Date: Mon, 6 Nov 2006 03:56:59 +0000 (GMT)
Subject: [postgis-users] How convert pgsql2shp UTF8 to shapefile SQL_ASCII
Message-ID: <20061106035659.23669.qmail@web53901.mail.yahoo.com>
Hi everybody
I have a problem to use function convert pgsql2shp.I create database encoding UTF8 and I wish convert pgsql to shapefile that is encoding SQL_ASCII.
** I try to use iconv(PHP function) to convert
iconv("UTF-8","SQL_ASCII",$data);
!! but not succeed
and I try to use postgresql function
SELECT convert($data using utf8_to_windows_874);or SELECT convert($data using utf8_to_ascii);
!! but not succeed too.
How I can do it?(WIN874 is THAI language)
thank you forword.
meaw.
Send instant messages to your online friends http://uk.messenger.yahoo.com
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From pramsey at refractions.net Sun Nov 5 23:04:31 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Sun, 05 Nov 2006 23:04:31 -0800
Subject: [postgis-users] GEOS 3.0.0rc2
Message-ID: <635EC4A9-887C-4F0F-BAB7-354A5472628F@refractions.net>
The latest version of GEOS is available for download. Moving towards
3.0.0 the changes this time around are some C-API fixes, more work on
robust overlay operations, and lots more testing done. Please read
the ChangeLog for full details!
http://geos.refractions.net
From andrew.seales at ed.ac.uk Mon Nov 6 05:54:08 2006
From: andrew.seales at ed.ac.uk (Andrew Seales)
Date: Mon, 06 Nov 2006 13:54:08 +0000
Subject: [postgis-users] PostGIS Solaris problem
In-Reply-To: <04F81F192A6B4D4CB94097D9D29899A505BF861B@C1-EXG-VS2.corp.org.local>
References: <04F81F192A6B4D4CB94097D9D29899A505BF861B@C1-EXG-VS2.corp.org.local>
Message-ID: <454F3E80.20103@ed.ac.uk>
Svonja, Elvis wrote:
>
> ERROR DETAILS:
> bison -y -vd -p lwg_parse_yy wktparse.y
> gmake[2]: *** [wktparse.tab.c] Broken Pipe
> gmake[2]: Leaving directory `/da01/postgresql/gis/postgis-1.1.4/lwgeom'
> gmake[1]: *** [liblwgeom] Error 2
> gmake[1]: Leaving directory `/da01/postgresql/gis/postgis-1.1.4'
> *** Error code 2
>
I just tried postgis-1.1.5 and got a seg fault at the same line instead
of a broken pipe error. I was using bison version 1.875. I just upgraded
to the newest version from http://ftp.gnu.org/pub/gnu/bison/ (2.3) and
that fixed the problem.
--
Andrew Seales
EDINA tel: +44 (0) 131 651 1430
Edinburgh University fax: +44 (0) 131 650 3308
Main Library Building url: http://edina.ac.uk
George Square email: andrew.seales at ed.ac.uk
Edinburgh EH8 9LJ
From robtester at gmail.com Mon Nov 6 06:19:38 2006
From: robtester at gmail.com (Rob Tester)
Date: Mon, 6 Nov 2006 07:19:38 -0700
Subject: [postgis-users] Invalid geometry? (and side location conflict)
Message-ID: <002401c701ae$9a296590$7203a8c0@susa.local>
I receive an error when getting the area for an intersection of two geometry objects. One is large containing several hundered points the other was much smaller.
I get:
NOTICE: TopologyException: side location conflict (-84.4858,33.6872,33.6872)
ERROR: GEOS Intersection() threw an error!
(note that geomunion with the same geometry objects works fine)
After reading the email lists I saw that invalid geometry objects are often the cause this error, so I checked them with isValid(). Sure enough the large geometry returns false. My question is what really makes a geometry invalid? Is it the invalid geometry that is really causing this issue or something related to the intersection (since geomunion works fine)?
I have tried the intersection with other polygons and have had no problems, but one table that contains these very large polygons always causes this problem.
Any help is greatly appreciated.
Thanks
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From robe.dnd at cityofboston.gov Mon Nov 6 06:44:59 2006
From: robe.dnd at cityofboston.gov (Obe, Regina)
Date: Mon, 6 Nov 2006 09:44:59 -0500
Subject: [postgis-users] Help with query
Message-ID: <53F9CF533E1AA14EA1F8C5C08ABC08D2011AE045@ZDND.DND.boston.cob>
Thanks,
That means a lot to me coming from you. I think I cheated though -
since I'm sure I've seen that trick before.
One thing I love about SQL is that you can do so much with it with such
little code. The trick is to
state the problem in the shortest possible way you can and your
statement is the answer.
In this case
Give me all the ignition records that are off.
For each off record give me the minimum on record that is still greater
than my off.
________________________________
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Paul
Ramsey
Sent: Friday, November 03, 2006 8:03 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Help with query
Ye gods, Regina, you're amazing.
On 3-Nov-06, at 2:14 PM, Pedro Doria Meunier wrote:
Regina,
You're absolutely the GREATEST! It worked like a charm!
Thank you VERY much!
All the best,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
________________________________
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Obe,
Regina
Sent: sexta-feira, 3 de Novembro de 2006 21:04
To: PostGIS Users Discussion
Subject: RE: [postgis-users] Help with query
I'm going to assume your table has 2 fields
ignition_on which is a boolean
actiontime which is a timestamp
and your table is called ignition_log
I would try the following - haven't tested it so don't know if
it will work
SELECT igoff.actiontime as ignition_off_time,
MIN(igon.actiontime) as ignition_on_time, MIN(igon.actiontime) -
igoff.actiontime as igdifference
FROM ignition_log igoff INNER JOIN ignition_log igon
ON igoff.actiontime < igon.actiontime AND
igoff.ignition_on = false AND igon.ignition_on = true
GROUP BY igoff.actiontime
________________________________
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Pedro Doria Meunier
Sent: Friday, November 03, 2006 2:31 PM
To: 'PostGIS Users Discussion'
Subject: [postgis-users] Help with query
This is probably not the best place to be asking such a (lame)
question but perhaps someone is gracious enough to lend me a hand... ;-)
I have the following setup in a table:
The first record which is to be found (ok easy enough :D) with a
timestamp meets a certain condition (ignition off)
The following record is for the event of ignition on again with
a timestamp.
So the question here is: how can I compute the time difference
between these two records in a single query?
Better yet: finding all the records that meet the first
condition (ignition off) and the immediately following records as to
compute the time difference. ;-)
Thanks in advance!
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
________________________________
The substance of this message, including any attachments, may be
confidential, legally
privileged and/or exempt from disclosure pursuant to
Massachusetts
law. It is intended
solely for the addressee. If you received this in error, please
contact the sender and
delete the material from any computer.
_______________________________________________
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postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
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From strk at refractions.net Mon Nov 6 07:23:39 2006
From: strk at refractions.net (strk at refractions.net)
Date: Mon, 6 Nov 2006 16:23:39 +0100
Subject: [postgis-users] Invalid geometry? (and side location conflict)
In-Reply-To: <002401c701ae$9a296590$7203a8c0@susa.local>
References: <002401c701ae$9a296590$7203a8c0@susa.local>
Message-ID: <20061106152339.GA88063@keybit.net>
On Mon, Nov 06, 2006 at 07:19:38AM -0700, Rob Tester wrote:
> I receive an error when getting the area for an intersection of two geometry objects. One is large containing several hundered points the other was much smaller.
>
> I get:
>
> NOTICE: TopologyException: side location conflict (-84.4858,33.6872,33.6872)
>
> ERROR: GEOS Intersection() threw an error!
>
> (note that geomunion with the same geometry objects works fine)
>
> After reading the email lists I saw that invalid geometry objects are often the cause this error, so I checked them with isValid(). Sure enough the large geometry returns false. My question is what really makes a geometry invalid? Is it the invalid geometry that is really causing this issue or something related to the intersection (since geomunion works fine)?
Recent postgis versions should tell you what the invalidity is, through
a NOTICE message.
--strk;
From robe.dnd at cityofboston.gov Mon Nov 6 07:35:26 2006
From: robe.dnd at cityofboston.gov (Obe, Regina)
Date: Mon, 6 Nov 2006 10:35:26 -0500
Subject: [postgis-users] PostGIS win32 binaries
Message-ID: <53F9CF533E1AA14EA1F8C5C08ABC08D2011AE0FE@ZDND.DND.boston.cob>
I recall way back that the win32 binaries were available not in setup
form, but just the dlls and sql files. I couldn't find that option
anywhere anymore. Does anyone happen to know where that is? If it no
longer exists, why did we stop providing that option? It would be nice
to have that option back if its not too much trouble.
I'm trying to install the win32 against my EnterpriseDb install, but
unfortunately EnterpriseDb folder structure is very different from the
standard PostGreSQL install so the win32 setup does not work with it.
Also for standard win32 installs that don't require a dump reload, I
liked the convenience of just being able to overwrite my dlls and rerun
the .sql files.
Thanks,
Regina
-----------------------------------------
The substance of this message, including any attachments, may be
confidential, legally
privileged and/or exempt from disclosure pursuant to Massachusetts
law. It is intended
solely for the addressee. If you received this in error, please
contact the sender and
delete the material from any computer.
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From robtester at gmail.com Mon Nov 6 08:39:22 2006
From: robtester at gmail.com (Rob Tester)
Date: Mon, 6 Nov 2006 09:39:22 -0700
Subject: [postgis-users] Invalid geometry? (and side location conflict)
Message-ID: <002701c701c2$1f8bfe60$7203a8c0@susa.local>
>Recent postgis versions should tell you what the invalidity is, through
>a NOTICE message.
I am using 1.1.5 how do I get the NOTICE to show? isValid () simply returns
false and the intersection errors with the side location conflict?
GeomFromText() simply returns the binary object.
Rob.
From sdteffen at gmail.com Mon Nov 6 11:44:23 2006
From: sdteffen at gmail.com (Steffen Macke)
Date: Mon, 6 Nov 2006 21:44:23 +0200
Subject: [postgis-users] PostGIS win32 binaries
In-Reply-To: <53F9CF533E1AA14EA1F8C5C08ABC08D2011AE0FE@ZDND.DND.boston.cob>
References: <53F9CF533E1AA14EA1F8C5C08ABC08D2011AE0FE@ZDND.DND.boston.cob>
Message-ID: <3cb1691c0611061144u1a7d1060id59debacb2d04427@mail.gmail.com>
Regina,
> anymore. Does anyone happen to know where that is? If it no longer exists,
> why did we stop providing that option? It would be nice to have that option
> back if its not too much trouble.
If you use 7-Zip, you can open the current PostGIS installer
executables as archives
and extract the files from there.
http://7-zip.org
In the Explorer, do a right mouse click
7-Zip->Open archive
Regards,
Steffen
From cmorency at polymtl.ca Mon Nov 6 15:09:05 2006
From: cmorency at polymtl.ca (Catherine Morency)
Date: Mon, 06 Nov 2006 15:09:05 -0800
Subject: [postgis-users] minimum spanning tree?
Message-ID: <002c01c701f8$8e89ef30$6501a8c0@PHILO>
Hello,
I am a new user of Postgis.
I am looking for a function to compile the length of the shortest string
connecting a set of points.
There are no network, only spatial points. I have already compiled the
convex hull of these sets of points and I am looking for another indicator.
Thank you.
====================================
Catherine Morency, ing., Ph.D.
Professeure adjointe
D?partement des g?nies civil, g?ologique et des mines
?cole Polytechnique de Montr?al
Groupe MADITUC
(514) 340-4711 p.4502
<mailto:cmorency at polymtl.ca> cmorency at polymtl.ca
====================================
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From pramsey at refractions.net Mon Nov 6 12:44:39 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Mon, 6 Nov 2006 12:44:39 -0800
Subject: [postgis-users] minimum spanning tree?
In-Reply-To: <002c01c701f8$8e89ef30$6501a8c0@PHILO>
References: <002c01c701f8$8e89ef30$6501a8c0@PHILO>
Message-ID: <D1D16E63-FF67-41F7-9264-1E36C611099C@refractions.net>
No such thing right now. If someone is interested in the problem,
there is some background here:
<http://en.wikipedia.org/wiki/Minimum_spanning_tree>
P
On 6-Nov-06, at 3:09 PM, Catherine Morency wrote:
> Hello,
>
>
>
> I am a new user of Postgis.
>
> I am looking for a function to compile the length of the shortest
> string connecting a set of points.
>
> There are no network, only spatial points. I have already compiled
> the convex hull of these sets of points and I am looking for
> another indicator.
>
>
>
> Thank you.
>
>
>
> ====================================
>
> Catherine Morency, ing., Ph.D.
>
> Professeure adjointe
>
> D?partement des g?nies civil, g?ologique et des mines
>
> ?cole Polytechnique de Montr?al
>
> Groupe MADITUC
>
> (514) 340-4711 p.4502
>
> cmorency at polymtl.ca
>
> ====================================
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
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From robe.dnd at cityofboston.gov Mon Nov 6 12:45:52 2006
From: robe.dnd at cityofboston.gov (Obe, Regina)
Date: Mon, 6 Nov 2006 15:45:52 -0500
Subject: [postgis-users] PostGIS win32 binaries
Message-ID: <53F9CF533E1AA14EA1F8C5C08ABC08D2011AE570@ZDND.DND.boston.cob>
Thanks that did the trick.
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Steffen Macke
Sent: Monday, November 06, 2006 2:44 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] PostGIS win32 binaries
Regina,
> anymore. Does anyone happen to know where that is? If it no longer
> exists, why did we stop providing that option? It would be nice to
> have that option back if its not too much trouble.
If you use 7-Zip, you can open the current PostGIS installer executables
as archives and extract the files from there.
http://7-zip.org
In the Explorer, do a right mouse click
7-Zip->Open archive
Regards,
Steffen
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
-----------------------------------------
The substance of this message, including any attachments, may be
confidential, legally
privileged and/or exempt from disclosure pursuant to Massachusetts
law. It is intended
solely for the addressee. If you received this in error, please
contact the sender and
delete the material from any computer.
From robtester at gmail.com Mon Nov 6 12:57:15 2006
From: robtester at gmail.com (Rob Tester)
Date: Mon, 6 Nov 2006 13:57:15 -0700
Subject: [postgis-users] minimum spanning tree?
References: <002c01c701f8$8e89ef30$6501a8c0@PHILO>
<D1D16E63-FF67-41F7-9264-1E36C611099C@refractions.net>
Message-ID: <004f01c701e6$2550d9f0$7203a8c0@susa.local>
There are a couple of organizations using the boost lib to solve shortest path graphs using Djikstra algorithms as well as the A Star and TSP. It would not be a stretch to get this code and modify it to use the min spanning tree code in boost as well.
I have taken the code and made major performance enhancements that are currently being tested. So be wary of better ways to structure the SQL interface to postgis to achieve your goals.
You can get the base code from http://www.cartoweb.org/ that provides the basic for interfacing with Djisktra in boost if you want more, please contact me offline and I can send you a package that also implements the AStar and TSP, along with my performance enhancements.
Rob.
----- Original Message -----
From: Paul Ramsey
To: PostGIS Users Discussion
Sent: Monday, November 06, 2006 1:44 PM
Subject: Re: [postgis-users] minimum spanning tree?
No such thing right now. If someone is interested in the problem, there is some background here:
<http://en.wikipedia.org/wiki/Minimum_spanning_tree>
P
On 6-Nov-06, at 3:09 PM, Catherine Morency wrote:
Hello,
I am a new user of Postgis.
I am looking for a function to compile the length of the shortest string connecting a set of points.
There are no network, only spatial points. I have already compiled the convex hull of these sets of points and I am looking for another indicator.
Thank you.
====================================
Catherine Morency, ing., Ph.D.
Professeure adjointe
D?partement des g?nies civil, g?ologique et des mines
?cole Polytechnique de Montr?al
Groupe MADITUC
(514) 340-4711 p.4502
cmorency at polymtl.ca
====================================
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
------------------------------------------------------------------------------
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
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From strk at refractions.net Mon Nov 6 13:02:59 2006
From: strk at refractions.net (strk at refractions.net)
Date: Mon, 6 Nov 2006 22:02:59 +0100
Subject: [postgis-users] Invalid geometry? (and side location conflict)
In-Reply-To: <002701c701c2$1f8bfe60$7203a8c0@susa.local>
References: <002701c701c2$1f8bfe60$7203a8c0@susa.local>
Message-ID: <20061106210259.GQ88063@keybit.net>
On Mon, Nov 06, 2006 at 09:39:22AM -0700, Rob Tester wrote:
>
> >Recent postgis versions should tell you what the invalidity is, through
> >a NOTICE message.
>
> I am using 1.1.5 how do I get the NOTICE to show? isValid () simply returns
> false and the intersection errors with the side location conflict?
> GeomFromText() simply returns the binary object.
What's the output of 'select postgis_full_version()' ?
--strk;
From robtester at gmail.com Mon Nov 6 13:12:15 2006
From: robtester at gmail.com (Rob Tester)
Date: Mon, 6 Nov 2006 14:12:15 -0700
Subject: [postgis-users] Invalid geometry? (and side location conflict)
References: <002701c701c2$1f8bfe60$7203a8c0@susa.local>
<20061106210259.GQ88063@keybit.net>
Message-ID: <005401c701e8$417a19f0$7203a8c0@susa.local>
"POSTGIS="1.1.5" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.4.9, 29 Oct 2004"
USE_STATS"
----- Original Message -----
From: <strk at refractions.net>
To: <postgis-users at postgis.refractions.net>
Sent: Monday, November 06, 2006 2:02 PM
Subject: Re: [postgis-users] Invalid geometry? (and side location conflict)
> On Mon, Nov 06, 2006 at 09:39:22AM -0700, Rob Tester wrote:
>>
>> >Recent postgis versions should tell you what the invalidity is, through
>> >a NOTICE message.
>>
>> I am using 1.1.5 how do I get the NOTICE to show? isValid () simply
>> returns
>> false and the intersection errors with the side location conflict?
>> GeomFromText() simply returns the binary object.
>
> What's the output of 'select postgis_full_version()' ?
>
> --strk;
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From sejohnson8 at gmail.com Mon Nov 6 19:10:06 2006
From: sejohnson8 at gmail.com (Steven Johnson)
Date: Mon, 6 Nov 2006 22:10:06 -0500
Subject: [postgis-users] ver 1.1.5 configure fails on Ubuntu
Message-ID: <4a88c6f40611061910gcf6f2dbm2da87f540fdfebdb@mail.gmail.com>
My ./configure fails on Ubuntu Dapper (6.06) saying 'invalid argument' on
'with-geos' option. I've checked and re-checked the command line to insure I
have the correct arguments (--with-geos=/usr/bin/geos-config). Any
suggestions on how to resolve?
Thanks in advance,
Steven
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From kichis at gmail.com Mon Nov 6 20:22:02 2006
From: kichis at gmail.com (Krishnaa Sridharan)
Date: Mon, 6 Nov 2006 23:22:02 -0500
Subject: [postgis-users] Getshape from PostGIS error
Message-ID: <24c5bc5e0611062022k33bb7116q7e780e1e13c29637@mail.gmail.com>
Hi all, Iam trying to use getshape() using php mapscript but getting a fata
error like this "Call to a member function on a non-object in.... "
$oresult = $rid->getResult(0);
$orid->open("");
$Shape = $orid->getShape($result->titleindex,$result->shapeindex);
$Extents = $Shape->bounds;
$Shape->free("");
$orid=close("");
can some one help me with this. Or can some one sujest a way to get shape
info from the results so that i can display it?
Thanks
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From pramsey at refractions.net Mon Nov 6 21:50:26 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Mon, 6 Nov 2006 21:50:26 -0800
Subject: [postgis-users] 1.1.6 Release
Message-ID: <95C4E71B-E16C-4565-9B9F-87D9CE4346F1@refractions.net>
The 1.1.6 maintenance release of PostGIS is now available.
http://postgis.refractions.net/download
This is a minor bugfix and compatibility release. The following
changes have occurred:
- Fixed CAPI change that broke 64-bit platforms.
- Added Z ordinate to reprojections.
- Updated spatial_ref_sys.sql updated to EPSG 6.11.1.
- Simplified Version.config infrastructure to use a single pack of
version variables for everything.
- Included the Version.config in loader/dumper USAGE messages.
- Replaced hand-made, fragile JDBC version parser with Properties.
- Fixed setSRID() bug in JDBC, thanks to Thomas Marti.
- Fixed regression tests and usage output in loader/dumper.
From christo at mecola.com Mon Nov 6 23:08:42 2006
From: christo at mecola.com (Christo Du Preez)
Date: Tue, 07 Nov 2006 09:08:42 +0200
Subject: [postgis-users] break geometry into smaller chunks
Message-ID: <455030FA.2090405@mecola.com>
I need to break geometries into smaller chunks if they exceed a certain
size. Is there a routine that already do this?
The idea I have is to cut it in half depending on the the height/width,
whichever is the longest. And then to repeat this process until all my
geometries is less than a certain area.
Thanx,
Christo
From strk at refractions.net Tue Nov 7 00:37:39 2006
From: strk at refractions.net (strk at refractions.net)
Date: Tue, 7 Nov 2006 09:37:39 +0100
Subject: [postgis-users] Invalid geometry? (and side location conflict)
In-Reply-To: <005401c701e8$417a19f0$7203a8c0@susa.local>
References: <002701c701c2$1f8bfe60$7203a8c0@susa.local>
<20061106210259.GQ88063@keybit.net>
<005401c701e8$417a19f0$7203a8c0@susa.local>
Message-ID: <20061107083739.GA4287@keybit.net>
On Mon, Nov 06, 2006 at 02:12:15PM -0700, Rob Tester wrote:
> "POSTGIS="1.1.5" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.4.9, 29 Oct 2004"
> USE_STATS"
Mmm.. you should see that message then, maybe you have NOTICEs turned off ?
--strk;
From strk at refractions.net Tue Nov 7 00:39:44 2006
From: strk at refractions.net (strk at refractions.net)
Date: Tue, 7 Nov 2006 09:39:44 +0100
Subject: [postgis-users] ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <4a88c6f40611061910gcf6f2dbm2da87f540fdfebdb@mail.gmail.com>
References: <4a88c6f40611061910gcf6f2dbm2da87f540fdfebdb@mail.gmail.com>
Message-ID: <20061107083944.GB4287@keybit.net>
On Mon, Nov 06, 2006 at 10:10:06PM -0500, Steven Johnson wrote:
> My ./configure fails on Ubuntu Dapper (6.06) saying 'invalid argument' on
> 'with-geos' option. I've checked and re-checked the command line to insure I
> have the correct arguments (--with-geos=/usr/bin/geos-config). Any
> suggestions on how to resolve?
Look at configure.in:
if test ! -f "$with_geos"; then
AC_MSG_ERROR([Invalid argument to --with-geos]);
else
Does the command:
test ! -f "/usr/bin/geos-config"
return a failure or success on your system ?
--strk;
From jan.syryn at trasys.be Tue Nov 7 02:39:55 2006
From: jan.syryn at trasys.be (whiteman)
Date: Tue, 7 Nov 2006 02:39:55 -0800 (PST)
Subject: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
In-Reply-To: <B67A5FB7A8114B47A70517C9C0D102E81406EC@bath.uk.rsinc.com>
References: <B67A5FB7A8114B47A70517C9C0D102E8131A6E@bath.uk.rsinc.com>
<B67A5FB7A8114B47A70517C9C0D102E81406B8@bath.uk.rsinc.com>
<5903304.post@talk.nabble.com>
<B67A5FB7A8114B47A70517C9C0D102E8131ABA@bath.uk.rsinc.com>
<6146402.post@talk.nabble.com>
<B67A5FB7A8114B47A70517C9C0D102E81406EC@bath.uk.rsinc.com>
Message-ID: <7216080.post@talk.nabble.com>
Hi Norman (and others),
I have serveral questions/problems:
1. Can you point me where I can find your manual concerning PostGIS and the
use of GeometryType ?
2. In the thread here, people are using:
<driver-class>org.postgis.DriverWrapper</driver-class>
When I do the same, I get a "No suitable driver" exception.
For the moment I am using:
<driver-class>org.postgresql.Driver</driver-class> and that seems to work
for simple tests.
Is this important ? Maybe this is related with the errors I am getting
further the line.
3. I wanted to use the GeometryType that is packed in PostGIS 1.1.5.
After generating the new JAR and replacing the old one by this one,
I start getting new exceptions:
The class org.postgis.PGbox3d does not implement
org.postgresql.util.PGobject.
Any Idea what this means ??
4. Now I put the old PostGIS back and make a very small JAR that contains
BinaryWriter and GeometryType, and also add it to the classpath. This is
what he sais now:
org.hibernate.MappingException: Could not determine type for:
org.postgis.hibernate.GeometryType
My object looks like this:
........
@Type(type = "org.postgis.hibernate.GeometryType")
@Column(name="footprint", columnDefinition="Geometry")
public Geometry getFootprint() {
return footprint;
}
public void setFootprint(Geometry footprint) {
this.footprint = footprint;
}
....................
And if I add 'import org.postgis.hibernate.GeometryType' to the object, he
does not complain he does not know that import, so the GeometryType is well
added to the project.
Is there anyone who sees a light through this strange effects ?
thanks in advance,
Jan
Norman Barker-3 wrote:
>
> Hi,
>
> I have been a bit busy, but it is my intention to write a simple 'spatial'
> tutorial on EJB3 using the postgis geometry type, the functionality will
> be simple but should get you started. I know I said I would have it done
> by last w/end so I will put it top on my priority list.
>
> Apologies for the delay, posting code with no instructions is bad!
>
> Norman
>
>
--
View this message in context: http://www.nabble.com/PostGIS---hibernate---EJB3-tf2064211.html#a7216080
Sent from the PostGIS - User mailing list archive at Nabble.com.
From nbarker at ittvis.com Tue Nov 7 05:48:52 2006
From: nbarker at ittvis.com (Norman Barker)
Date: Tue, 7 Nov 2006 13:48:52 -0000
Subject: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
Message-ID: <B67A5FB7A8114B47A70517C9C0D102E8131C66@bath.uk.rsinc.com>
Hi,
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
whiteman
Sent: 07 November 2006 10:40
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
Hi Norman (and others),
I have serveral questions/problems:
1. Can you point me where I can find your manual concerning PostGIS and
the
use of GeometryType ?
<ncb>Thanks to Markus this is now in SVN -
http://svn.refractions.net/postgis/trunk/java/ejb3/ in particular
http://svn.refractions.net/postgis/trunk/java/ejb3/ejb3spatial.pdf
</ncb>
2. In the thread here, people are using:
<driver-class>org.postgis.DriverWrapper</driver-class>
When I do the same, I get a "No suitable driver" exception.
For the moment I am using:
<driver-class>org.postgresql.Driver</driver-class> and that seems to
work
for simple tests.
Is this important ? Maybe this is related with the errors I am getting
further the line.
<ncb>You need to use the driverwrapper class or register the geometry
types yourself; the tutorial has more details. A sample datasource is
here
http://svn.refractions.net/postgis/trunk/java/ejb3/jboss/geodata-ds.xml
</ncb>
3. I wanted to use the GeometryType that is packed in PostGIS 1.1.5.
After generating the new JAR and replacing the old one by this one,
I start getting new exceptions:
The class org.postgis.PGbox3d does not implement
org.postgresql.util.PGobject.
Any Idea what this means ??
<ncb>I don't know on this one, sorry.</ncb>
4. Now I put the old PostGIS back and make a very small JAR that
contains
BinaryWriter and GeometryType, and also add it to the classpath. This is
what he sais now:
org.hibernate.MappingException: Could not determine type for:
org.postgis.hibernate.GeometryType
My object looks like this:
........
@Type(type = "org.postgis.hibernate.GeometryType")
@Column(name="footprint", columnDefinition="Geometry")
public Geometry getFootprint() {
return footprint;
}
public void setFootprint(Geometry footprint) {
this.footprint = footprint;
}
....................
And if I add 'import org.postgis.hibernate.GeometryType' to the object,
he
does not complain he does not know that import, so the GeometryType is
well
added to the project.
<ncb>this just means that it can't find the jar file on the classpath
for this type. Please go through the tutorial and do contact me if you
have any problems - quite happy to go through the steps required to get
this running.
Watch this space for my catalog tutorial before the end of this month on
PostGIS, hibernate and Lucene!
Thanks
</ncb>
Is there anyone who sees a light through this strange effects ?
thanks in advance,
Jan
Norman Barker-3 wrote:
>
> Hi,
>
> I have been a bit busy, but it is my intention to write a simple
'spatial'
> tutorial on EJB3 using the postgis geometry type, the functionality
will
> be simple but should get you started. I know I said I would have it
done
> by last w/end so I will put it top on my priority list.
>
> Apologies for the delay, posting code with no instructions is bad!
>
> Norman
>
>
--
View this message in context:
http://www.nabble.com/PostGIS---hibernate---EJB3-tf2064211.html#a7216080
Sent from the PostGIS - User mailing list archive at Nabble.com.
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From r.neidt at idu.de Tue Nov 7 09:58:39 2006
From: r.neidt at idu.de (Rene Neidt)
Date: Tue, 7 Nov 2006 18:58:39 +0100
Subject: [postgis-users] Difference throw an error
Message-ID: <A4A64E4C2FE1A14EA3C90091802F13A011095C@mowa.idu.de>
Hello users,
We are testing geos3.0.0.rc2 and found one problem:
HINWEIS: TopologyException: no outgoing dirEdge found 5.41716e+06
5.65838e+06 5.65838e+06
FEHLER: GEOS difference() threw an error!
SQL state: XX000
Version: "POSTGIS="1.1.5" GEOS="3.0.0rc2-CAPI-1.3.0" PROJ="Rel. 4.5.0,
19 Apr 2006" USE_STATS"
select difference
(
(GeometryFromText('POLYGON((5417148.108 5658342.603,5417139.016
5658338.009,5417126.791 5658331.833,5417116.292 5658327.518,5417112.871
5658325.598,5417110.25 5658324.127,5417106.071 5658321.781,5417104.226
5658320.745,5417093.266 5658315.008,5417091.265 5658313.961,5417085.335
5658310.857,5417060.44 5658326.26,5417064.68 5658327.52,5417088.83
5658336.46,5417088.52 5658337.31,5417102.92 5658342.65,5417103.26
5658341.83,5417111.76 5658345.51,5417121.662 5658349.583,5417121.878
5658349.672,5417125.217 5658351.119,5417131.761 5658353.388,5417137.589
5658356.276,5417142.166 5658359.67,5417146.599 5658364.988,5417151.395
5658370.641,5417150.853 5658371.392,5417152.59741167
5658373.52811061,5417154.92 5658376.37,5417155.18955743
5658376.89699992,5417154.919 5658376.371,5417155.814
5658378.111,5417157.051 5658380.297,5417158.004 5658382.304,5417159.014
5658384.47,5417159.775 5658386.619,5417160.629 5658389.278,5417161.5
5658399.49,5417160.773 5658404.194,5417159.41 5658413.02,5417158.853
5658414.442,5417153.671 5658427.659,5417153.67051161
5658427.6586943,5417153.67 5658427.66,5417152.73 5658427.07,5417149.993
5658436.599,5417148.81 5658439.42,5417149.233 5658439.67,5417148.36
5658440.81,5417146.41 5658446.6,5417144.321 5658453.127,5417144.32092232
5658453.13043826,5417154.59 5658458.01,5417154.99551047
5658455.8409905,5417155.446 5658453.413,5417157.23981414
5658448.75748237,5417157.22660892 5658448.57861162,5417157.22660849
5658448.57860592,5417157.22660865 5658448.57860812,5417157.128
5658447.265,5417157.64950997 5658446.06368023,5417157.64950961
5658446.06368108,5417158.314 5658444.533,5417172.322
5658417.957,5417174.99 5658418.57,5417175.23 5658417.74,5417176.696
5658412.61,5417177.875 5658408.488,5417178.76 5658405.39,5417178.1
5658393.55,5417178.08 5658393.36,5417177.11 5658384.95,5417178.151
5658384.915,5417178.14836289 5658384.91508866,5417178.12
5658384.83,5417177.91415246 5658383.81114117,5417176.927
5658378.944,5417176.603 5658377.341,5417176.73975922
5658378.01762048,5417176.6 5658377.34,5417176.51210558
5658376.89535766,5417176.428 5658376.483,5417175.235
5658370.602,5417171.577 5658362.886,5417170.762 5658360.107,5417168.522
5658357.989,5417166.042 5658355.047,5417164.137 5658352.264,5417162.642
5658351.593,5417160.702 5658350.843,5417160.05417889
5658350.5823586,5417158.82 5658350.09,5417158.82103105
5658350.0862195,5417159.50373263 5658350.36089455,5417158.818
5658350.085,5417159.055 5658349.214,5417155.754
5658347.679,5417156.78066321 5658348.15640928,5417155.7525011
5658347.6811561,5417155.161 5658348.532,5417149.028
5658343.237,5417152.26877967 5658346.03496647,5417149.03
5658343.24,5417148.78133339 5658343.06701453,5417148.108
5658342.603))'))
,
(GeometryFromText('POLYGON((5417148.36 5658440.81,5417149.233
5658439.67,5417148.81 5658439.42,5417149.993 5658436.599,5417152.73
5658427.07,5417153.67 5658427.66,5417153.67051161
5658427.6586943,5417153.671 5658427.659,5417158.853
5658414.442,5417159.41 5658413.02,5417160.773 5658404.194,5417161.5
5658399.49,5417160.63 5658389.28,5417159.78 5658386.62,5417159.366239
5658385.46469333,5417159.014 5658384.47,5417158.004
5658382.304,5417157.051 5658380.297,5417155.814
5658378.111,5417155.18955747 5658376.897,5417154.92
5658376.37,5417152.59740379 5658373.52810095,5417150.853
5658371.392,5417151.13020611 5658371.00790076,5417151.4
5658370.64,5417147.11100598 5658365.59149663,5417146.599
5658364.988,5417145.96673439 5658364.22950947,5417142.17
5658359.67,5417139.98754716 5658358.05460369,5417137.589
5658356.276,5417131.761 5658353.388,5417125.33011568
5658351.15822058,5417125.22 5658351.12,5417121.88 5658349.67,5417121.66
5658349.58,5417111.76 5658345.51,5417103.26 5658341.83,5417102.92
5658342.65,5417088.52 5658337.31,5417088.83 5658336.46,5417064.68
5658327.52,5417060.44 5658326.26,5417085.34 5658310.86,5417085.90750076
5658311.15666987,5417091.265 5658313.961,5417093.266
5658315.008,5417093.61266829 5658315.18946314,5417104.23
5658320.75,5417105.81727304 5658321.63852784,5417106.071
5658321.781,5417106.60319005 5658322.07975996,5417110.25
5658324.13,5417112.87 5658325.6,5417116.29 5658327.52,5417121.76604303
5658329.76778528,5417126.791 5658331.833,5417139.016
5658338.009,5417148.108 5658342.603,5417148.78133333
5658343.06701449,5417149.03 5658343.24,5417152.26878253
5658346.03496893,5417155.161 5658348.532,5417155.7525011
5658347.6811561,5417156.78066337 5658348.15640935,5417159.055
5658349.214,5417158.818 5658350.085,5417158.82103105
5658350.0862195,5417158.82 5658350.09,5417160.0541792
5658350.58235872,5417160.702 5658350.843,5417162.642
5658351.593,5417164.137 5658352.264,5417165.25343486
5658353.89499119,5417166.04 5658355.05,5417168.52 5658357.99,5417170.76
5658360.11,5417171.26171711 5658361.81094338,5417171.577
5658362.886,5417175.235 5658370.602,5417176.428
5658376.483,5417176.51210558 5658376.89535766,5417176.6
5658377.34,5417176.73975924 5658378.01762057,5417176.927
5658378.944,5417177.91415134 5658383.81113564,5417178.12
5658384.83,5417178.14836289 5658384.91508866,5417177.11
5658384.95,5417178.08 5658393.36,5417178.1 5658393.55,5417178.76
5658405.39,5417177.875 5658408.488,5417176.696 5658412.61,5417175.23
5658417.74,5417174.99 5658418.57,5417172.322
5658417.957,5417172.32037372 5658417.96008538,5417172.32
5658417.96,5417158.31 5658444.53,5417157.64951003
5658446.06368011,5417157.128 5658447.265,5417157.22660867
5658448.5786084,5417157.23981414 5658448.75748238,5417155.446
5658453.413,5417154.99551072 5658455.84098918,5417154.59
5658458.01,5417144.32092232 5658453.13043826,5417144.321
5658453.127,5417146.41 5658446.6,5417148.36 5658440.81))'))
)
Greetings,
Thomas and Rene
From mbdavis at refractions.net Tue Nov 7 14:29:00 2006
From: mbdavis at refractions.net (Martin Davis)
Date: Tue, 07 Nov 2006 14:29:00 -0800
Subject: [postgis-users] Re: Difference throws an error
Message-ID: <455108AC.4000304@refractions.net>
The reason the error is thrown is that at least one of the geometries
has a very gnarly spike on one side of it. The second geometry contains
the vertices:
[ 0:28] POINT (5417154.92 5658376.37)
[ 0:29] POINT (5417155.18955743 5658376.89699992)
[ 0:30] POINT (5417154.919 5658376.371)
[ 0:31] POINT (5417155.814 5658378.111)
These form a spike/gore where the inside vertex 29 is almost coincident
with the edge 30-31.
This geometry combination causes an error in all previous versions of
JTS/GEOS as well. Hopefully this problem can be addressed with some
further work on robustness.
--
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
From neumann at karto.baug.ethz.ch Wed Nov 8 01:25:41 2006
From: neumann at karto.baug.ethz.ch (Andreas Neumann)
Date: Wed, 08 Nov 2006 10:25:41 +0100
Subject: [postgis-users] Springer Encyclopedia of GIS, Postgis entry
Message-ID: <4551A295.2030902@karto.baug.ethz.ch>
Hello,
I am contributing author for the upcoming Springer Encyclopedia of GIS
(Entries for SVG and Webmapping) and noticed that they have entries for
some commercial GIS and spatial DB products (e.g. Oracle, Smallworld)
but don't mention OS or other commercial alternatives, such as UMN
Mapserver, Postgis, etc. I asked the editors and they agree to include
additional entries into the encyclopedia if they can be written until
december.
Are there any volunteers that would be willing to write an entry for
Postgis?
Additional information is available at
http://refworks.springer-sbm.com/geograph/
If you are interested in writing such an entry (3000-4000 words, 8-12
pages incl figures), please contact me and I'll send you the emails of
the editors and responsible person at Springer. Entries can be written
in Word or Latex.
Thanks for your interest,
Andreas
--
----------------------------------------------
Andreas Neumann
Institute of Cartography
ETH Zurich
Wolfgang-Paulistrasse 15
CH-8093 Zurich, Switzerland
Phone: ++41-44-633 3031, Fax: ++41-44-633 1153
e-mail: neumann at karto.baug.ethz.ch
www: http://www.carto.net/neumann/
SVG.Open: http://www.svgopen.org/
Carto.net: http://www.carto.net/
From strk at refractions.net Wed Nov 8 01:26:54 2006
From: strk at refractions.net (strk at refractions.net)
Date: Wed, 8 Nov 2006 10:26:54 +0100
Subject: [postgis-users] Springer Encyclopedia of GIS, Postgis entry
In-Reply-To: <4551A295.2030902@karto.baug.ethz.ch>
References: <4551A295.2030902@karto.baug.ethz.ch>
Message-ID: <20061108092654.GB28741@keybit.net>
If anyone has time, I think it would be worth expanding the article
on Wikipedia instead:
http://en.wikipedia.org/wiki/PostGIS
I think any commercial edition can legally print that material anyway.
--strk;
On Wed, Nov 08, 2006 at 10:25:41AM +0100, Andreas Neumann wrote:
> Hello,
>
> I am contributing author for the upcoming Springer Encyclopedia of GIS
> (Entries for SVG and Webmapping) and noticed that they have entries for
> some commercial GIS and spatial DB products (e.g. Oracle, Smallworld)
> but don't mention OS or other commercial alternatives, such as UMN
> Mapserver, Postgis, etc. I asked the editors and they agree to include
> additional entries into the encyclopedia if they can be written until
> december.
>
> Are there any volunteers that would be willing to write an entry for
> Postgis?
>
> Additional information is available at
> http://refworks.springer-sbm.com/geograph/
>
> If you are interested in writing such an entry (3000-4000 words, 8-12
> pages incl figures), please contact me and I'll send you the emails of
> the editors and responsible person at Springer. Entries can be written
> in Word or Latex.
>
> Thanks for your interest,
> Andreas
From strk at refractions.net Wed Nov 8 02:36:20 2006
From: strk at refractions.net (strk at refractions.net)
Date: Wed, 8 Nov 2006 11:36:20 +0100
Subject: [postgis-users] Re: Difference throws an error
In-Reply-To: <455108AC.4000304@refractions.net>
References: <455108AC.4000304@refractions.net>
Message-ID: <20061108103620.GD28741@keybit.net>
On Tue, Nov 07, 2006 at 02:29:00PM -0800, Martin Davis wrote:
> The reason the error is thrown is that at least one of the geometries
> has a very gnarly spike on one side of it. The second geometry contains
> the vertices:
>
> [ 0:28] POINT (5417154.92 5658376.37)
> [ 0:29] POINT (5417155.18955743 5658376.89699992)
> [ 0:30] POINT (5417154.919 5658376.371)
> [ 0:31] POINT (5417155.814 5658378.111)
>
> These form a spike/gore where the inside vertex 29 is almost coincident
> with the edge 30-31.
>
> This geometry combination causes an error in all previous versions of
> JTS/GEOS as well. Hopefully this problem can be addressed with some
> further work on robustness.
The error is due to Geometry snapping making the first geometry invalid.
Only applying commonbits removal passes the 'areatest' op.
I disabled this in RC2 to try at being in sync with JTS, but might
be worth re-enabling in RC3. The cost would be an additional
run of the operation IFF it fails with both original and common-bits-removed
inputs.
What do you think ?
--strk;
PS: so GEOS *does* benefit JTS sometime uh ? :)
From strk at refractions.net Wed Nov 8 02:43:38 2006
From: strk at refractions.net (strk at refractions.net)
Date: Wed, 8 Nov 2006 11:43:38 +0100
Subject: [postgis-users] Difference throw an error
In-Reply-To: <A4A64E4C2FE1A14EA3C90091802F13A011095C@mowa.idu.de>
References: <A4A64E4C2FE1A14EA3C90091802F13A011095C@mowa.idu.de>
Message-ID: <20061108104338.GE28741@keybit.net>
Rene, I committed a patch in SVN trunk applying additional
heuristics to binary ops. It seems to fix your problem, could
you test it ? (I don't *see* the result, just trust the testing tools)
--strk;
On Tue, Nov 07, 2006 at 06:58:39PM +0100, Rene Neidt wrote:
> Hello users,
> We are testing geos3.0.0.rc2 and found one problem:
>
>
> HINWEIS: TopologyException: no outgoing dirEdge found 5.41716e+06
> 5.65838e+06 5.65838e+06
>
> FEHLER: GEOS difference() threw an error!
> SQL state: XX000
>
> Version: "POSTGIS="1.1.5" GEOS="3.0.0rc2-CAPI-1.3.0" PROJ="Rel. 4.5.0,
> 19 Apr 2006" USE_STATS"
From dylan.beaudette at gmail.com Wed Nov 8 09:22:30 2006
From: dylan.beaudette at gmail.com (Dylan Beaudette)
Date: Wed, 8 Nov 2006 09:22:30 -0800
Subject: [postgis-users] Case Study: EU Joint Research Centre
In-Reply-To: <AED0D0EF-43F2-40FE-9CFF-41DA84FDF14E@refractions.net>
References: <32336808-BD5B-4491-AA81-28B3B10446A8@refractions.net>
<200610261039.06205.dylan.beaudette@gmail.com>
<AED0D0EF-43F2-40FE-9CFF-41DA84FDF14E@refractions.net>
Message-ID: <200611080922.30177.dylan.beaudette@gmail.com>
Well,
the project isn't that far along, but a colleague of mine is going to be using
PostGIS for some massive analysis of wetland / soils data. I think that I
have convinced him of the benefits (and he is already pissed at ArcMap for
the obvious reasons) of doing the attribute / vector management in PostGIS.
When the project picks up some speed I will send the information on it.
Cheers,
Dylan
On Thursday 26 October 2006 21:37, Paul Ramsey wrote:
> Thanks, Dylan, but I'm running out of material... only one more left
> on deck and I'm out of gas again, looking for people to talk to...
>
> P
>
> On 26-Oct-06, at 10:39 AM, Dylan Beaudette wrote:
> > On Wednesday 25 October 2006 22:49, Paul Ramsey wrote:
> >> New case study, get it while it's hot:
> >>
> >> <http://postgis.refractions.net/documentation/casestudies/jrc/>
> >>
> >> You know you want to be profiled, you know you do!
> >>
> >> Do you have something big? Something operational? Are you a
> >> government organization or a largish corporation? Do you work for
> >> those kinds of people?
> >>
> >> By telling your story, you make PostGIS and PostgreSQL more credible,
> >> and make your life easier the next time your boss asks you about your
> >> crazy database...
> >>
> >> Talk to me about writing up your story, I want to help!
> >>
> >> Paul
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> > Great job Paul . I have enjoyed looking over the every expanding
> > list of case
> > studies.
> >
> > Cheers,
> >
> >
> > --
> > Dylan Beaudette
> > Soils and Biogeochemistry Graduate Group
> > University of California at Davis
> > 530.754.7341
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
--
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341
From neumann at karto.baug.ethz.ch Thu Nov 9 00:16:49 2006
From: neumann at karto.baug.ethz.ch (Andreas Neumann)
Date: Thu, 09 Nov 2006 09:16:49 +0100
Subject: [postgis-users] Springer Encyclopedia of GIS, Postgis entry
In-Reply-To: <20061108092654.GB28741@keybit.net>
References: <4551A295.2030902@karto.baug.ethz.ch>
<20061108092654.GB28741@keybit.net>
Message-ID: <4552E3F1.1000600@karto.baug.ethz.ch>
strk at refractions.net wrote:
>If anyone has time, I think it would be worth expanding the article
>on Wikipedia instead:
>
>http://en.wikipedia.org/wiki/PostGIS
>
>I think any commercial edition can legally print that material anyway.
>
>
thats a good idea. That would make the information available for a
broader audience.
I will ask Springer if that is possible.
Andreas
--
----------------------------------------------
Andreas Neumann
Institute of Cartography
ETH Zurich
Wolfgang-Paulistrasse 15
CH-8093 Zurich, Switzerland
Phone: ++41-44-633 3031, Fax: ++41-44-633 1153
e-mail: neumann at karto.baug.ethz.ch
www: http://www.carto.net/neumann/
SVG.Open: http://www.svgopen.org/
Carto.net: http://www.carto.net/
From mark.cave-ayland at ilande.co.uk Thu Nov 9 04:33:47 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Thu, 09 Nov 2006 12:33:47 +0000
Subject: [postgis-users] Getshape from PostGIS error
In-Reply-To: <24c5bc5e0611062022k33bb7116q7e780e1e13c29637@mail.gmail.com>
References: <24c5bc5e0611062022k33bb7116q7e780e1e13c29637@mail.gmail.com>
Message-ID: <1163075627.5519.16.camel@mca-desktop>
On Mon, 2006-11-06 at 23:22 -0500, Krishnaa Sridharan wrote:
> Hi all, Iam trying to use getshape() using php mapscript but getting a
> fata error like this "Call to a member function on a non-object
> in.... "
>
> $oresult = $rid->getResult(0);
>
> $orid->open("");
>
> $Shape = $orid->getShape($result->titleindex,$result->shapeindex);
>
> $Extents = $Shape->bounds;
>
> $Shape->free("");
>
> $orid=close("");
>
>
>
> can some one help me with this. Or can some one sujest a way to get
> shape info from the results so that i can display it?
>
> Thanks
Hi Krishnaa,
This is probably a mapserver rather than a PostGIS question - try
posting your mail to the mapserver-users mailing list instead. You can
find more information about subscribing to the mapserver mailing list at
http://mapserver.gis.umn.edu.
HTH,
Mark.
From sejohnson8 at gmail.com Thu Nov 9 18:23:20 2006
From: sejohnson8 at gmail.com (Steven Johnson)
Date: Thu, 9 Nov 2006 21:23:20 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
Message-ID: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
strk,
Thanks for your response to my ./configure woes. I tried your suggestion and
these are the results:
test !-f "/usr/bin/geos-config" yields
test flex --version "/usr/bin/geos-config"
bash: test: --version: binary operator expected
But if I locate geos-config it turns up in /usr/bin/
So, if I ./configure once again, I get to the "checking for geos-config"
section and I get
.
.
.
checking for geos-config... /usr/bin/geos-config
Usage: geos-config [OPTIONS]
Options:
[--prefix]
[--version]
[--libs]
[--cflags]
[--includes]
[--jtsport]
Is it looking for /usr/lib/libgeos.so.2.1.4? Or...?
Thanks again,
Steven
_________________________________
Date: Tue, 7 Nov 2006 09:39:44 +0100
From: strk at refractions.net
Subject: Re: [postgis-users] ver 1.1.5 configure fails on Ubuntu
To: postgis-users at postgis.refractions.net
Message-ID: <20061107083944.GB4287 at keybit.net>
Content-Type: text/plain; charset=us-ascii
On Mon, Nov 06, 2006 at 10:10:06PM -0500, Steven Johnson wrote:
> My ./configure fails on Ubuntu Dapper (6.06) saying 'invalid argument' on
> 'with-geos' option. I've checked and re-checked the command line to insure
I
> have the correct arguments (--with-geos=/usr/bin/geos-config). Any
> suggestions on how to resolve?
Look at configure.in:
if test ! -f "$with_geos"; then
AC_MSG_ERROR([Invalid argument to --with-geos]);
else
Does the command:
test ! -f "/usr/bin/geos-config"
return a failure or success on your system ?
--strk;
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From sejohnson8 at gmail.com Thu Nov 9 18:29:37 2006
From: sejohnson8 at gmail.com (Steven Johnson)
Date: Thu, 9 Nov 2006 21:29:37 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
Message-ID: <4a88c6f40611091829n6d919ed8k26ff5a4496ca9ed2@mail.gmail.com>
One more clue here... I've pasted the summary of the ./configure process
below and notice that the value for ldflags is not set. Wondering if I need
to recompile PostgreSQL to link against the C++ libs?
Thanks again,
Steven
SUMMARY
-------------------------------------------------------
HOST_OS: linux-gnu
PGSQL: /usr/bin/pg_config
GEOS: /usr/bin/geos-config
(ldflags: )
PROJ: prefix=/usr libdir=/usr/lib
ICONV: 1
PORTNAME: linux
PREFIX: /usr
EPREFIX: ${prefix}
DOC: /usr/share/doc/postgresql-doc-8.1/contrib
DATA: /usr/share/postgresql/8.1/contrib
MAN: /usr/share/postgresql/8.1/man
BIN: /usr/lib/postgresql/8.1/bin
EXT: /usr/lib/postgresql/8.1/lib (\$$libdir)
-------------------------------------------------------
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From strk at refractions.net Thu Nov 9 23:04:06 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 08:04:06 +0100
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
Message-ID: <20061110070406.GA74031@keybit.net>
On Thu, Nov 09, 2006 at 09:23:20PM -0500, Steven Johnson wrote:
> strk,
> Thanks for your response to my ./configure woes. I tried your suggestion and
> these are the results:
> test !-f "/usr/bin/geos-config" yields
> test flex --version "/usr/bin/geos-config"
> bash: test: --version: binary operator expected
Ops.. it seems that the '!' char is interpreted as a seek in
the history...
Try replacing that with:
if test -f "$variable"; then
:
else
.... original code here ....
fi
(in configure.in)
--strk;
From strk at refractions.net Thu Nov 9 23:05:57 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 08:05:57 +0100
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <4a88c6f40611091829n6d919ed8k26ff5a4496ca9ed2@mail.gmail.com>
References: <4a88c6f40611091829n6d919ed8k26ff5a4496ca9ed2@mail.gmail.com>
Message-ID: <20061110070557.GB74031@keybit.net>
Given the previous failure this is just random result, configure
should have instead raised an error and aborted.
This exactly same bug should be in 1.1.6 too...
If you can provide a patch (read previous mail) I'll commit to
SVN trunk for next release.
Thanks
--strk;
On Thu, Nov 09, 2006 at 09:29:37PM -0500, Steven Johnson wrote:
> One more clue here... I've pasted the summary of the ./configure process
> below and notice that the value for ldflags is not set. Wondering if I need
> to recompile PostgreSQL to link against the C++ libs?
>
> Thanks again,
> Steven
>
> SUMMARY
> -------------------------------------------------------
>
> HOST_OS: linux-gnu
>
> PGSQL: /usr/bin/pg_config
> GEOS: /usr/bin/geos-config
> (ldflags: )
> PROJ: prefix=/usr libdir=/usr/lib
> ICONV: 1
>
> PORTNAME: linux
> PREFIX: /usr
> EPREFIX: ${prefix}
> DOC: /usr/share/doc/postgresql-doc-8.1/contrib
> DATA: /usr/share/postgresql/8.1/contrib
> MAN: /usr/share/postgresql/8.1/man
> BIN: /usr/lib/postgresql/8.1/bin
> EXT: /usr/lib/postgresql/8.1/lib (\$$libdir)
> -------------------------------------------------------
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
--
/"\ ASCII Ribbon Campaign
\ / Respect for low technology.
X Keep e-mail messages readable by any computer system.
/ \ Keep it ASCII.
From stefan.schwarzer at grid.unep.ch Fri Nov 10 05:53:52 2006
From: stefan.schwarzer at grid.unep.ch (Stefan Schwarzer)
Date: Fri, 10 Nov 2006 14:53:52 +0100
Subject: [postgis-users] Correct dump and restore
Message-ID: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
Hi there,
I've seen the subject coming up already a couple of times. But it
didn't really help me and I can't imagine that there isn't a simple
strategy/method for that:
I need to make a copy of a database which resides on one computer and
install that copy on another.
Computer 1 (Linux) has (PostgreSQL) 8.1.0
Computer 2 (Mac) has (PostgreSQL) 8.1.2
Don't know about the version of PostGIS.
I tried various pg_dump and pg_restore parameters. But the restore
never worked correctly. I tried it as well with a simple psql but
there too I was faced with problems...
Can anyone perhaps give me an advice how to correctly export-import a
database?
Thanks for any hints!
Stefan
From gdt at ir.bbn.com Fri Nov 10 06:07:12 2006
From: gdt at ir.bbn.com (Greg Troxel)
Date: Fri, 10 Nov 2006 09:07:12 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <20061110070406.GA74031@keybit.net> (strk@refractions.net's
message of "Fri\, 10 Nov 2006 08\:04\:06 +0100")
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110070406.GA74031@keybit.net>
Message-ID: <rmiu017pf8v.fsf@fnord.ir.bbn.com>
strk at refractions.net writes:
> On Thu, Nov 09, 2006 at 09:23:20PM -0500, Steven Johnson wrote:
>> strk,
>> Thanks for your response to my ./configure woes. I tried your suggestion and
>> these are the results:
>> test !-f "/usr/bin/geos-config" yields
>> test flex --version "/usr/bin/geos-config"
>> bash: test: --version: binary operator expected
>
> Ops.. it seems that the '!' char is interpreted as a seek in
> the history...
> Try replacing that with:
>
> if test -f "$variable"; then
> :
> else
> .... original code here ....
> fi
>
> (in configure.in)
>
> --strk;
>From the man page on NetBSD, it seems ! is legal (POSIX.2), but that
it has to be followed by a space.
It then works with NetBSD's /bin/sh, known for complying with POSIX.2
and not implementing bash extensions and thus a good test case:
$ test ! -f /etc/passwd || echo foo
foo
From gdt at ir.bbn.com Fri Nov 10 06:16:04 2006
From: gdt at ir.bbn.com (Greg Troxel)
Date: Fri, 10 Nov 2006 09:16:04 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <20061110070406.GA74031@keybit.net> (strk@refractions.net's
message of "Fri\, 10 Nov 2006 08\:04\:06 +0100")
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110070406.GA74031@keybit.net>
Message-ID: <rmimz6zpeu3.fsf@fnord.ir.bbn.com>
Also, the '! -f' worked fine in bash 3.1.17. (I didn't mean for my
comments to come across as anti-bash - I've used it as my login shell
since around 1990.)
--
Greg Troxel <gdt at ir.bbn.com>
From strk at refractions.net Fri Nov 10 06:25:39 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 15:25:39 +0100
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
Message-ID: <20061110142539.GA80694@keybit.net>
On Thu, Nov 09, 2006 at 09:23:20PM -0500, Steven Johnson wrote:
> checking for geos-config... /usr/bin/geos-config
> Usage: geos-config [OPTIONS]
Ok, forget about the '!' thing, what postgis does is call
geos-config with these:
GEOS_DIR=`$GEOSCONFIG --prefix`
GEOS_LDFLAGS=`$GEOSCONFIG --ldflags`
GEOS_MAJOR=`$GEOSCONFIG --version | cut -d. -f1`
It's possible that I forgot support for older geos and
the above are not actually working. So, can you try invoking
/usr/bin/geos-config with the above flags in turn and see
which fails ? Which version of GEOS do you have ?
(note that geos-config is a shell script, you can also inspect
with any pager or texteditor)
--strk;
From strk at refractions.net Fri Nov 10 06:26:21 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 15:26:21 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
Message-ID: <20061110142621.GB80694@keybit.net>
See 'Hard Upgrade' section in postgis manual.
--strk;
On Fri, Nov 10, 2006 at 02:53:52PM +0100, Stefan Schwarzer wrote:
> Hi there,
>
> I've seen the subject coming up already a couple of times. But it
> didn't really help me and I can't imagine that there isn't a simple
> strategy/method for that:
>
> I need to make a copy of a database which resides on one computer and
> install that copy on another.
>
> Computer 1 (Linux) has (PostgreSQL) 8.1.0
> Computer 2 (Mac) has (PostgreSQL) 8.1.2
>
> Don't know about the version of PostGIS.
>
> I tried various pg_dump and pg_restore parameters. But the restore
> never worked correctly. I tried it as well with a simple psql but
> there too I was faced with problems...
>
> Can anyone perhaps give me an advice how to correctly export-import a
> database?
>
> Thanks for any hints!
>
> Stefan
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
--
/"\ ASCII Ribbon Campaign
\ / Respect for low technology.
X Keep e-mail messages readable by any computer system.
/ \ Keep it ASCII.
From stefan.schwarzer at grid.unep.ch Fri Nov 10 06:52:57 2006
From: stefan.schwarzer at grid.unep.ch (Stefan Schwarzer)
Date: Fri, 10 Nov 2006 15:52:57 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <20061110142621.GB80694@keybit.net>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
Message-ID: <65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
Under "Hard upgrade" I don't find anything. I guess you mean this
section (page 5)? Seems still rather complicated....
# Create a "custom-format" dump of the database you want
# to upgrade (let?s call it "olddb")
$ pg_dump -Fc olddb olddb.dump
# Restore the dump contextually upgrading postgis into
# a new database. The new database doesn?t have to exist.
# Let?s call it "newdb"
$ sh utils/postgis_restore.pl lwpostgis.sql newdb olddb.dump >
restore.log
# Check that all restored dump objects really had to be restored from
dump
# and do not conflict with the ones defined in lwpostgis.sql
$ grep ^KEEPING restore.log | less
# If upgrading from PostgreSQL < 7.5 to >= 7.5 you might want to
# drop the attrelid, varattnum and stats columns in the geometry_columns
# table, which are no-more needed. Keeping them won?t hurt.
# !!! DROPPING THEM WHEN REALLY NEEDED WILL DO HURT !!!!
$ psql newdb -c "ALTER TABLE geometry_columns DROP attrelid"
$ psql newdb -c "ALTER TABLE geometry_columns DROP varattnum"
$ psql newdb -c "ALTER TABLE geometry_columns DROP stats"
# spatial_ref_sys table is restore from the dump, to ensure your custom
# additions are kept, but the distributed one might contain modification
# so you should backup your entries, drop the table and source the
new one.
# If you did make additions we assume you know how to backup them before
# upgrading the table. Replace of it with the new one is done like this:
$ psql newdb
newdb=> drop table spatial_ref_sys;
DROP
newdb=> \i spatial_ref_sys.sql
On Nov 10, 2006, at 3:26 PM, strk at refractions.net wrote:
> See 'Hard Upgrade' section in postgis manual.
> --strk;
>
> On Fri, Nov 10, 2006 at 02:53:52PM +0100, Stefan Schwarzer wrote:
>> Hi there,
>>
>> I've seen the subject coming up already a couple of times. But it
>> didn't really help me and I can't imagine that there isn't a simple
>> strategy/method for that:
>>
>> I need to make a copy of a database which resides on one computer and
>> install that copy on another.
>>
>> Computer 1 (Linux) has (PostgreSQL) 8.1.0
>> Computer 2 (Mac) has (PostgreSQL) 8.1.2
>>
>> Don't know about the version of PostGIS.
>>
>> I tried various pg_dump and pg_restore parameters. But the restore
>> never worked correctly. I tried it as well with a simple psql but
>> there too I was faced with problems...
>>
>> Can anyone perhaps give me an advice how to correctly export-import a
>> database?
>>
>> Thanks for any hints!
>>
>> Stefan
>>
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> --
>
> /"\ ASCII Ribbon Campaign
> \ / Respect for low technology.
> X Keep e-mail messages readable by any computer system.
> / \ Keep it ASCII.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From gdt at ir.bbn.com Fri Nov 10 06:59:35 2006
From: gdt at ir.bbn.com (Greg Troxel)
Date: Fri, 10 Nov 2006 09:59:35 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <20061110142539.GA80694@keybit.net> (strk@refractions.net's
message of "Fri\, 10 Nov 2006 15\:25\:39 +0100")
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110142539.GA80694@keybit.net>
Message-ID: <rmiejsbpctk.fsf@fnord.ir.bbn.com>
I need to update pkgsrc, which is at 2.0.0. So I have put a patch to
postgis in pkgsrc to work around it using ldflags instead of libs.
gdt 2 > geos-config --prefix
/usr/pkg
gdt 3 > geos-config --ldflags
Usage: geos-config [OPTIONS]
Options:
[--prefix]
[--version]
[--libs]
[--cflags]
[--includes]
[--jtsport]
gdt 4 > geos-config --version
2.0.0
gdt 5 > geos-config --version | cut -d. -f1
2
gdt 6 > geos-config --libs
-L/usr/pkg/lib -Wl,-R/usr/pkg/lib -lgeos
--
Greg Troxel <gdt at ir.bbn.com>
From gdt at ir.bbn.com Fri Nov 10 07:00:04 2006
From: gdt at ir.bbn.com (Greg Troxel)
Date: Fri, 10 Nov 2006 10:00:04 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <20061110142539.GA80694@keybit.net> (strk@refractions.net's
message of "Fri\, 10 Nov 2006 15\:25\:39 +0100")
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110142539.GA80694@keybit.net>
Message-ID: <rmiac2zpcsr.fsf@fnord.ir.bbn.com>
It would be cool if geos grew pkg-config support; then eventually we
could drop the geos-config.
--
Greg Troxel <gdt at ir.bbn.com>
From strk at refractions.net Fri Nov 10 07:00:31 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 16:00:31 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
Message-ID: <20061110150031.GD80694@keybit.net>
On Fri, Nov 10, 2006 at 03:52:57PM +0100, Stefan Schwarzer wrote:
> Under "Hard upgrade" I don't find anything. I guess you mean this
> section (page 5)? Seems still rather complicated....
Yes, this is the one (isn't called Hard Upgrade?).
And, yes, seems complicated, but might also work :)
--strk;
>
> # Create a "custom-format" dump of the database you want
> # to upgrade (let?s call it "olddb")
> $ pg_dump -Fc olddb olddb.dump
> # Restore the dump contextually upgrading postgis into
> # a new database. The new database doesn?t have to exist.
> # Let?s call it "newdb"
> $ sh utils/postgis_restore.pl lwpostgis.sql newdb olddb.dump >
> restore.log
> # Check that all restored dump objects really had to be restored from
> dump
> # and do not conflict with the ones defined in lwpostgis.sql
> $ grep ^KEEPING restore.log | less
> # If upgrading from PostgreSQL < 7.5 to >= 7.5 you might want to
> # drop the attrelid, varattnum and stats columns in the geometry_columns
> # table, which are no-more needed. Keeping them won?t hurt.
> # !!! DROPPING THEM WHEN REALLY NEEDED WILL DO HURT !!!!
> $ psql newdb -c "ALTER TABLE geometry_columns DROP attrelid"
> $ psql newdb -c "ALTER TABLE geometry_columns DROP varattnum"
> $ psql newdb -c "ALTER TABLE geometry_columns DROP stats"
> # spatial_ref_sys table is restore from the dump, to ensure your custom
> # additions are kept, but the distributed one might contain modification
> # so you should backup your entries, drop the table and source the
> new one.
> # If you did make additions we assume you know how to backup them before
> # upgrading the table. Replace of it with the new one is done like this:
> $ psql newdb
> newdb=> drop table spatial_ref_sys;
> DROP
> newdb=> \i spatial_ref_sys.sql
>
>
>
> On Nov 10, 2006, at 3:26 PM, strk at refractions.net wrote:
>
> >See 'Hard Upgrade' section in postgis manual.
> >--strk;
> >
> >On Fri, Nov 10, 2006 at 02:53:52PM +0100, Stefan Schwarzer wrote:
> >>Hi there,
> >>
> >>I've seen the subject coming up already a couple of times. But it
> >>didn't really help me and I can't imagine that there isn't a simple
> >>strategy/method for that:
> >>
> >>I need to make a copy of a database which resides on one computer and
> >>install that copy on another.
> >>
> >>Computer 1 (Linux) has (PostgreSQL) 8.1.0
> >>Computer 2 (Mac) has (PostgreSQL) 8.1.2
> >>
> >>Don't know about the version of PostGIS.
> >>
> >>I tried various pg_dump and pg_restore parameters. But the restore
> >>never worked correctly. I tried it as well with a simple psql but
> >>there too I was faced with problems...
> >>
> >>Can anyone perhaps give me an advice how to correctly export-import a
> >>database?
> >>
> >>Thanks for any hints!
> >>
> >>Stefan
> >>
> >>
> >>_______________________________________________
> >>postgis-users mailing list
> >>postgis-users at postgis.refractions.net
> >>http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >--
> >
> > /"\ ASCII Ribbon Campaign
> > \ / Respect for low technology.
> > X Keep e-mail messages readable by any computer system.
> > / \ Keep it ASCII.
> >
> >_______________________________________________
> >postgis-users mailing list
> >postgis-users at postgis.refractions.net
> >http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
--
/"\ ASCII Ribbon Campaign
\ / Respect for low technology.
X Keep e-mail messages readable by any computer system.
/ \ Keep it ASCII.
From frank.koormann at intevation.de Fri Nov 10 07:04:11 2006
From: frank.koormann at intevation.de (Frank Koormann)
Date: Fri, 10 Nov 2006 16:04:11 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
Message-ID: <20061110150411.GF2075@intevation.de>
* Stefan Schwarzer <stefan.schwarzer at grid.unep.ch> [061110 15:55]:
> Under "Hard upgrade" I don't find anything. I guess you mean this
> section (page 5)? Seems still rather complicated....
I think strk was talking about the online Doku:
http://postgis.refractions.net/docs/ch02.html#upgrading
Essentially it is
$ pg_dump -Fc olddb olddb.dump
and
$ sh utils/postgis_restore.pl lwpostgis.sql newdb olddb.dump > restore.log
The rest are checks and cleanups if migration from older postgresql
versions - which isn't the case in your situation.
Regards,
Frank
--
Frank Koormann <frank.koormann at intevation.de>
Professional Service around Free Software (http://intevation.net/)
FreeGIS Project (http://freegis.org/)
PostGIS Support (http://intevation.de/services/gis/postgis.en.html)
From strk at refractions.net Fri Nov 10 07:11:29 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 16:11:29 +0100
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <rmiejsbpctk.fsf@fnord.ir.bbn.com>
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110142539.GA80694@keybit.net>
<rmiejsbpctk.fsf@fnord.ir.bbn.com>
Message-ID: <20061110151129.GE80694@keybit.net>
On Fri, Nov 10, 2006 at 09:59:35AM -0500, Greg Troxel wrote:
> I need to update pkgsrc, which is at 2.0.0. So I have put a patch to
> postgis in pkgsrc to work around it using ldflags instead of libs.
It seems postgis doesn't automatically work with 2.0.0 version of geos,
but I see it's possible to use --with-geos-libdir=... to override
the default GEOS_LDFLAGS (which in your case is set to the empty string,
given the invalid call).
Please try that.
--strk;
> gdt 2 > geos-config --prefix
> /usr/pkg
> gdt 3 > geos-config --ldflags
> Usage: geos-config [OPTIONS]
> Options:
> [--prefix]
> [--version]
> [--libs]
> [--cflags]
> [--includes]
> [--jtsport]
> gdt 4 > geos-config --version
> 2.0.0
> gdt 5 > geos-config --version | cut -d. -f1
> 2
> gdt 6 > geos-config --libs
> -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -lgeos
From strk at refractions.net Fri Nov 10 07:16:32 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 16:16:32 +0100
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <20061110151129.GE80694@keybit.net>
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110142539.GA80694@keybit.net>
<rmiejsbpctk.fsf@fnord.ir.bbn.com>
<20061110151129.GE80694@keybit.net>
Message-ID: <20061110151632.GF80694@keybit.net>
Actually, try the attached patch for configure.in, it should work
out of the box for you (with --with-geos-libdir still usable
for overrides)
--strk;
On Fri, Nov 10, 2006 at 04:11:29PM +0100, strk at refractions.net wrote:
> On Fri, Nov 10, 2006 at 09:59:35AM -0500, Greg Troxel wrote:
> > I need to update pkgsrc, which is at 2.0.0. So I have put a patch to
> > postgis in pkgsrc to work around it using ldflags instead of libs.
>
> It seems postgis doesn't automatically work with 2.0.0 version of geos,
> but I see it's possible to use --with-geos-libdir=... to override
> the default GEOS_LDFLAGS (which in your case is set to the empty string,
> given the invalid call).
> Please try that.
>
> --strk;
>
> > gdt 2 > geos-config --prefix
> > /usr/pkg
> > gdt 3 > geos-config --ldflags
> > Usage: geos-config [OPTIONS]
> > Options:
> > [--prefix]
> > [--version]
> > [--libs]
> > [--cflags]
> > [--includes]
> > [--jtsport]
> > gdt 4 > geos-config --version
> > 2.0.0
> > gdt 5 > geos-config --version | cut -d. -f1
> > 2
> > gdt 6 > geos-config --libs
> > -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -lgeos
-------------- next part --------------
Index: configure.in
===================================================================
--- configure.in (revision 2526)
+++ configure.in (working copy)
@@ -147,7 +147,16 @@
if test $USE_GEOS -gt 0; then
GEOS_DIR=`$GEOSCONFIG --prefix`
- GEOS_LDFLAGS=`$GEOSCONFIG --ldflags`
+
+ GEOS_LDFLAGS=`$GEOSCONFIG --ldflags 2> /dev/null`
+ if test x"$GEOS_LDFLAGS" = "x"; then
+ # older geos-config versions did not
+ # support the --ldflags switch, we'll
+ # default to GEOS_DIR/lib in this case.
+ #
+ GEOS_LDFLAGS="$GEOS_DIR/lib"
+ fi
+
GEOS_MAJOR=`$GEOSCONFIG --version | cut -d. -f1`
if test "$GEOS_MAJOR" = "@GEOS_VERSION@"; then
GEOS_MAJOR=1
From gdt at ir.bbn.com Fri Nov 10 07:35:34 2006
From: gdt at ir.bbn.com (Greg Troxel)
Date: Fri, 10 Nov 2006 10:35:34 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <20061110151632.GF80694@keybit.net> (strk@refractions.net's
message of "Fri\, 10 Nov 2006 16\:16\:32 +0100")
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110142539.GA80694@keybit.net> <rmiejsbpctk.fsf@fnord.ir.bbn.com>
<20061110151129.GE80694@keybit.net>
<20061110151632.GF80694@keybit.net>
Message-ID: <rmi1wobpb5l.fsf@fnord.ir.bbn.com>
Thanks. Here's the workaround I have in place, which works fine.
Plus, shouldn't that be -L${libdir} in your patch?
(This patch is applied to postgis sources before building.)
$NetBSD: patch-aa,v 1.1 2006/09/20 16:24:46 gdt Exp $
--- configure.orig 2006-07-01 00:53:02.000000000 -0400
+++ configure
@@ -3735,7 +3735,7 @@ fi;
if test $USE_GEOS -gt 0; then
GEOS_DIR=`$GEOSCONFIG --prefix`
- GEOS_LDFLAGS=`$GEOSCONFIG --ldflags`
+ GEOS_LDFLAGS=`$GEOSCONFIG --libs`
GEOS_MAJOR=`$GEOSCONFIG --version | cut -d. -f1`
if test "$GEOS_MAJOR" = "@GEOS_VERSION@"; then
GEOS_MAJOR=1
This patch (among others not relevant to this issue) is applied to
geos 2.0.0. It's kludgy, but it gets -Wl,-R/usr/pkg/lib added like it
should be.
$NetBSD: patch-ae,v 1.1 2006/09/20 16:01:48 gdt Exp $
--- tools/geos-config.in.orig 2004-07-17 05:07:17.000000000 -0400
+++ tools/geos-config.in
@@ -34,7 +34,7 @@ case $1 in
echo @CFLAGS@ -I at prefix@/include
;;
--libs)
- echo -L at prefix@/lib -lgeos
+ echo -L at prefix@/lib @LDFLAGS@ -lgeos
;;
--includes)
echo @prefix@/include
So perhaps postgis should require a newer version of geos. When did
-ldflags get added? I see 2.2.3 has it. (I'm currently building
2.2.3 with an uncommitted pkgsrc update, as that seems safer than
3.0.0rc right now.)
From havard.tveite at umb.no Fri Nov 10 07:35:38 2006
From: havard.tveite at umb.no (Havard Tveite)
Date: Fri, 10 Nov 2006 16:35:38 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <20061110150411.GF2075@intevation.de>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch> <20061110142621.GB80694@keybit.net> <65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
<20061110150411.GF2075@intevation.de>
Message-ID: <45549C4A.6010704@umb.no>
Frank Koormann wrote:
> * Stefan Schwarzer <stefan.schwarzer at grid.unep.ch> [061110 15:55]:
>> Under "Hard upgrade" I don't find anything. I guess you mean this
>> section (page 5)? Seems still rather complicated....
>
> I think strk was talking about the online Doku:
> http://postgis.refractions.net/docs/ch02.html#upgrading
>
> Essentially it is
>
> $ pg_dump -Fc olddb olddb.dump
>
> and
>
> $ sh utils/postgis_restore.pl lwpostgis.sql newdb olddb.dump > restore.log
And you should be able to add createdb parameters at the end of
the postgis_restore parameter list (useful if you are using
non-default text encoding for the database):
$ sh utils/postgis_restore.pl lwpostgis.sql newdb olddb.dump -E=UNICODE > restore.log
Due to a bug, this does not work in 1.1.6, but shall now have been
fixed in "trunk" (see bug 124).
H?vard
>
> The rest are checks and cleanups if migration from older postgresql
> versions - which isn't the case in your situation.
>
> Regards,
>
> Frank
>
--
H?vard Tveite
Department of Mathematical Sciences and Technology, UMB
Dr?bakveien 14, POBox 5003, N-1432 ?s, NORWAY
Phone: +47 64965483 Fax: +47 64965401 http://www.umb.no/imt
From strk at refractions.net Fri Nov 10 08:09:38 2006
From: strk at refractions.net (strk at refractions.net)
Date: Fri, 10 Nov 2006 17:09:38 +0100
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <rmi1wobpb5l.fsf@fnord.ir.bbn.com>
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110142539.GA80694@keybit.net>
<rmiejsbpctk.fsf@fnord.ir.bbn.com>
<20061110151129.GE80694@keybit.net>
<20061110151632.GF80694@keybit.net>
<rmi1wobpb5l.fsf@fnord.ir.bbn.com>
Message-ID: <20061110160938.GI80694@keybit.net>
On Fri, Nov 10, 2006 at 10:35:34AM -0500, Greg Troxel wrote:
> Thanks. Here's the workaround I have in place, which works fine.
> Plus, shouldn't that be -L${libdir} in your patch?
>
> (This patch is applied to postgis sources before building.)
>
> $NetBSD: patch-aa,v 1.1 2006/09/20 16:24:46 gdt Exp $
>
> --- configure.orig 2006-07-01 00:53:02.000000000 -0400
> +++ configure
> @@ -3735,7 +3735,7 @@ fi;
>
> if test $USE_GEOS -gt 0; then
> GEOS_DIR=`$GEOSCONFIG --prefix`
> - GEOS_LDFLAGS=`$GEOSCONFIG --ldflags`
> + GEOS_LDFLAGS=`$GEOSCONFIG --libs`
> GEOS_MAJOR=`$GEOSCONFIG --version | cut -d. -f1`
> if test "$GEOS_MAJOR" = "@GEOS_VERSION@"; then
> GEOS_MAJOR=1
--ldflags was introduced because dos not include -lgeos, so it
is usable to link against the C-API lib instead (-lgeos_c).
--libs will instead always add -lgeos.
So, with your patch, you'll end up with both -lgeos_c and -lgeos.
Not a big deal actually, as libgeos_c.so will link to libgeos.so
anyway, but it might link to a specific version of it instead
of the default one that would be found by -lgeos...
So, I'd recommend to try my patch first, which will be included
in next release.
> This patch (among others not relevant to this issue) is applied to
> geos 2.0.0. It's kludgy, but it gets -Wl,-R/usr/pkg/lib added like it
> should be.
mmm... I'm not sure we want to force that -rpath...
> $NetBSD: patch-ae,v 1.1 2006/09/20 16:01:48 gdt Exp $
>
> --- tools/geos-config.in.orig 2004-07-17 05:07:17.000000000 -0400
> +++ tools/geos-config.in
> @@ -34,7 +34,7 @@ case $1 in
> echo @CFLAGS@ -I at prefix@/include
> ;;
> --libs)
> - echo -L at prefix@/lib -lgeos
> + echo -L at prefix@/lib @LDFLAGS@ -lgeos
> ;;
> --includes)
> echo @prefix@/include
>
>
> So perhaps postgis should require a newer version of geos. When did
> -ldflags get added? I see 2.2.3 has it. (I'm currently building
> 2.2.3 with an uncommitted pkgsrc update, as that seems safer than
> 3.0.0rc right now.)
Postgis should work back to against GEOS-1.0.0, and I belive it still
does, and I'm also proud of it ;)
--strk;
From ricardoluis at ufs.br Fri Nov 10 09:47:32 2006
From: ricardoluis at ufs.br (Ricardo)
Date: Fri, 10 Nov 2006 14:47:32 -0300
Subject: [postgis-users] libpg
Message-ID: <20061110174547.M27446@ufs.br>
Hi all,
I'm trying to wirite a file from a odi field of my data base with the
folwing source code:
-----------------------------------------------------------------------------
------------------------------------------------
1 const char *conninfo = "Driver=PostgreSQL Unicode; Server=10.0.0.62;
Database=energia; user=postgres; password=postgres";
2 PGconn *conn;
3 PGresult *res;
4 Oid inv_oid;
5 int r = 1;
6 int lobj_fd;// = lo_open(conn, inv_oid, 1);
7 int fd;
8 char buf[300000];
9 int nbytes, tmp;
10 FILE* fp;
11 /* Make a connection to the database */
12 conn = PQconnectdb(conninfo);
13 inv_oid = lo_creat(conn, 1);
14 res = PQexec(conn, "SELECT imagem FROM raster"); /* ask for
binary results */
15 lobj_fd = lo_open(conn, inv_oid, 1);
16 fp = fopen("test.tif", "wt");
17 while ((nbytes = lo_read(conn, lobj_fd, buf, 300000)) > 0)
18 {
19 tmp = fwrite(&buf, sizeof(buf), 1, fp);
20 }
21 (void) lo_close(conn, lobj_fd);
22 (void) fclose(fp);
-----------------------------------------------------------------------------
-------------------------------------------------
The query on the line 14 has been applied over the folwing table:
-----------------------------------------------------------------------------
-------------------------------------------------
CREATE TABLE raster
(
name varchar(30),
imagem oid,
geometria geometry,
CONSTRAINT enforce_dims_geometria CHECK (ndims(geometria) = 3),
CONSTRAINT enforce_srid_geometria CHECK (srid(geometria) = -1)
)
WITH OIDS;
-----------------------------------------------------------------------------
-------------------------------------------------
So evry time on the line 15 the value -1 was returned to lobj_fd variable;
Forgot I something?
What is the problem with that code?
Where can I get references or samples to do that?
Thank you all.
Ricardo Lu?s.
From smarshall at wsi.com Fri Nov 10 10:02:10 2006
From: smarshall at wsi.com (Marshall, Steve)
Date: Fri, 10 Nov 2006 13:02:10 -0500
Subject: [postgis-users] libpg
Message-ID: <8536F69C1FCC294B859D07B179F06944067914B7@EXCHANGE.ad.wsicorp.com>
The second argument to the lo_creat call should be flags for read/write access mode. 1 is not a valid value.
Replace this will the symbolic constants INV_READ|INV_WRITE, which are specified in the postgresql header file libpq-fs.h.
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Ricardo
Sent: Friday, November 10, 2006 12:48 PM
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] libpg
Hi all,
I'm trying to wirite a file from a odi field of my data base with the folwing source code:
-----------------------------------------------------------------------------
------------------------------------------------
1 const char *conninfo = "Driver=PostgreSQL Unicode; Server=10.0.0.62;
Database=energia; user=postgres; password=postgres";
2 PGconn *conn;
3 PGresult *res;
4 Oid inv_oid;
5 int r = 1;
6 int lobj_fd;// = lo_open(conn, inv_oid, 1);
7 int fd;
8 char buf[300000];
9 int nbytes, tmp;
10 FILE* fp;
11 /* Make a connection to the database */
12 conn = PQconnectdb(conninfo);
13 inv_oid = lo_creat(conn, 1);
14 res = PQexec(conn, "SELECT imagem FROM raster"); /* ask for
binary results */
15 lobj_fd = lo_open(conn, inv_oid, 1);
16 fp = fopen("test.tif", "wt");
17 while ((nbytes = lo_read(conn, lobj_fd, buf, 300000)) > 0)
18 {
19 tmp = fwrite(&buf, sizeof(buf), 1, fp);
20 }
21 (void) lo_close(conn, lobj_fd);
22 (void) fclose(fp);
-----------------------------------------------------------------------------
-------------------------------------------------
The query on the line 14 has been applied over the folwing table:
-----------------------------------------------------------------------------
-------------------------------------------------
CREATE TABLE raster
(
name varchar(30),
imagem oid,
geometria geometry,
CONSTRAINT enforce_dims_geometria CHECK (ndims(geometria) = 3),
CONSTRAINT enforce_srid_geometria CHECK (srid(geometria) = -1)
)
WITH OIDS;
-----------------------------------------------------------------------------
-------------------------------------------------
So evry time on the line 15 the value -1 was returned to lobj_fd variable;
Forgot I something?
What is the problem with that code?
Where can I get references or samples to do that?
Thank you all.
Ricardo Lu?s.
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From pcreso at pcreso.com Fri Nov 10 11:00:34 2006
From: pcreso at pcreso.com (Brent Wood)
Date: Fri, 10 Nov 2006 11:00:34 -0800 (PST)
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
Message-ID: <20061110190034.71006.qmail@web33211.mail.mud.yahoo.com>
--- Stefan Schwarzer <stefan.schwarzer at grid.unep.ch> wrote:
> Hi there,
>
> I've seen the subject coming up already a couple of times. But it
> didn't really help me and I can't imagine that there isn't a simple
> strategy/method for that:
>
> I need to make a copy of a database which resides on one computer and
> install that copy on another.
>
> Computer 1 (Linux) has (PostgreSQL) 8.1.0
> Computer 2 (Mac) has (PostgreSQL) 8.1.2
There may be an issue with end-of-line characters? I believe one uses LF & the
other uses CR (unlike DOS/Windows which uses both).
> Don't know about the version of PostGIS.
That may be more important, esp if one uses LWGEOM & the other uses the older
structures & code.
>
> I tried various pg_dump and pg_restore parameters. But the restore
> never worked correctly. I tried it as well with a simple psql but
> there too I was faced with problems...
Can you dump a simple table without geometries and restore that? Let us know
any errors this gives, as this will help identify whether it is a postgis or
postgres problem.
If this works, try a simple table with geometries, and let us know the errors.
Cheers,
Brent Wood
>
> Can anyone perhaps give me an advice how to correctly export-import a
> database?
>
> Thanks for any hints!
>
> Stefan
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From volker.emmel at lwk-rlp.de Fri Nov 10 13:00:46 2006
From: volker.emmel at lwk-rlp.de (volker.emmel at lwk-rlp.de)
Date: Fri, 10 Nov 2006 22:00:46 +0100
Subject: [postgis-users] Volker Emmel ist =?iso-8859-1?q?au=DFer_Haus=2E?=
Message-ID: <OF86C9E616.FD7751A5-ONC1257222.00736D4F-C1257222.00736D4F@lwk-rlp.de>
Ich werde ab 10.11.2006 nicht im B?ro sein. Ich kehre zur?ck am
05.12.2006.
Bitte wenden sie sich in dringenden F?llen an Herrn Gr?hl
(manfred.groehl at lwk-rlp.de) oder Frau Mecking (verena.mecking at lwk-rlp.de).
From gdt at ir.bbn.com Fri Nov 10 13:54:33 2006
From: gdt at ir.bbn.com (Greg Troxel)
Date: Fri, 10 Nov 2006 16:54:33 -0500
Subject: [postgis-users] Re: ver 1.1.5 configure fails on Ubuntu
In-Reply-To: <20061110160938.GI80694@keybit.net> (strk@refractions.net's
message of "Fri\, 10 Nov 2006 17\:09\:38 +0100")
References: <4a88c6f40611091823l5f6ac53aif8a117eb8df62f69@mail.gmail.com>
<20061110142539.GA80694@keybit.net> <rmiejsbpctk.fsf@fnord.ir.bbn.com>
<20061110151129.GE80694@keybit.net>
<20061110151632.GF80694@keybit.net> <rmi1wobpb5l.fsf@fnord.ir.bbn.com>
<20061110160938.GI80694@keybit.net>
Message-ID: <rmilkmjm0h2.fsf@fnord.ir.bbn.com>
I just updated pkgsrc to geos 2.2.3 and postgis 1.1.6.
Because 2.2.3 has --ldflags, I'm no longer worried about configure
being patched for the old --libs. But I'm impressed that you're
maintaining backwards compatibility.
I see your point about --libs having the library and that --ldflags
should not.
strk at refractions.net writes:
>> From: gdt
>> This patch (among others not relevant to this issue) is applied to
>> geos 2.0.0. It's kludgy, but it gets -Wl,-R/usr/pkg/lib added like it
>> should be.
>
> mmm... I'm not sure we want to force that -rpath...
That's a messy issue, and the right behavior is OS dependent. On
NetBSD, the runtime library search path is only /lib and /usr/lib.
/usr/pkg/lib is not in the compiler default path or the runtime path.
So using geos requires "-L/usr/pkg/lib -lgeos" like you'd expect at
link time, but also -R/usr/pkg/lib to put the dir in the binary for
run-time resolution. I realize there are good reason to prefer the
various approaches (Debian with banned rpath and all in /usr/lib,
LD_LIBRARY_PATH, Darwin's use of absolute paths, and NetBSD's -rpath);
my usual meta-approach is to make packages do the right local thing
according to each system's norms. I don't fully understand how to do
this automatically, but using libtool and pkg-config usually seems
best. I'll try to write a pkg-config file for geos (or one for geos
and one for geos_c, since pkg-config results in specifying the
libraries).
Thus, I'm not asking you to merge the rpath patch into geos, just
telling you what I did.
After my updates today, pkgsrc has just 1 patch for geos (to add the
-R to the output of ldflags/libs), and no patches for postgis. I was
able to load postgis into a fresh db and run the examples in the
README. This is with PostgreSQL 8.1.4 on NetBSD/i386 4.99.3, with gcc
4.1.2.
Thanks for all your efforts to make this portable.
Greg
From alex_chew at 163.com Fri Nov 10 20:17:15 2006
From: alex_chew at 163.com (alex_chew)
Date: Sat, 11 Nov 2006 12:17:15 +0800 (CST)
Subject: [postgis-users] Help initialize PostGIS with lwpostgis.sq
l
Message-ID: <45554ECB.000007.11777@bj163app89.163.com>
Hi,
I am a green hand to PostGIS.Any advise will be appreciated.
Followed the tutorial, I installed PostgreSQL 8.1 with PostGIS.
It seems PostgresSQL works well, I can connect to my test database from localhost and try some querys.
Error occured when i tried to load lwpostgis.sql.Neither from pgAdmin and Commandline prompt, i got the same error message(s),
current transaction is aborted, commands ignored until end of transaction block
ROLLBACK
I tried to query some geometry data with SQL,
SELECT name, AsSVG(intersection(Simplify(the_geom,20),GeometryFromText("POLYGON((104 30,105 30,105 32,104 32,104 30))",4326)),1,1) AS svg_geom FROM river WHERE the_geom && setSRID("BOX3D(104 30, 105 32)"::box3d,4326)
Error message i got is,
ERROR: column "POLYGON((104 30,105 30,105 32,104 32,104 30))" does not exist
Does this caused by lwpostgis.sql not loaded correctly? I am sure the table and geometry data are correctly build there. With SQL "SELECT name, AsSVG(the_geom) from river", I can get right result sets such as
("Tuolumne River";"M 255022.56361335239 -4203697.7660685452 254963.30627661903 -4203649.4423545403 ")
Please help me find out what caused the error of "POLYGON doesnot exist".
Thanks in advance.
Sincerely
Alex
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From adam at spatialsystems.org Fri Nov 10 20:54:54 2006
From: adam at spatialsystems.org (adam at spatialsystems.org)
Date: Fri, 10 Nov 2006 21:54:54 -0700
Subject: [postgis-users] NAVTEQ Data?
Message-ID: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
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From woodbri at swoodbridge.com Fri Nov 10 21:04:59 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Sat, 11 Nov 2006 00:04:59 -0500
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
References: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
Message-ID: <455559FB.20504@swoodbridge.com>
adam at spatialsystems.org wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger
> files. I also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
Yes, have loaded it into PostGIS and used it as shapefiles, and arcInfo
formats, it is just data with lots of attributes and comes with the
feature of a high price tag as it is premium licensed data. It is great
data if your business model can afford it.
-Steve
From sxpert at sxpert.org Fri Nov 10 23:48:26 2006
From: sxpert at sxpert.org (=?ISO-8859-1?Q?Rapha=EBl_Jacquot?=)
Date: Sat, 11 Nov 2006 08:48:26 +0100
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
References: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
Message-ID: <4555804A.2070008@sxpert.org>
adam at spatialsystems.org wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger files. I
> also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
we have free data in the making available at
http://planet.openstreetmap.org
for more information
http://wiki.openstreetmap.org
besides, if you found the docs to the navteq format on the web, it
clearly says that you can't legally use this documentation to create a
parser / decoder for that format.
> Thanks,
> Adam
From pdoria at netmadeira.com Sat Nov 11 04:51:22 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Sat, 11 Nov 2006 12:51:22 -0000
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <455559FB.20504@swoodbridge.com>
Message-ID: <001301c70590$18da7cf0$23d6bed5@oem41cbbf9e178>
Hey Steve,
More than the actual data, I'm more interested in the method of getting
navteq data into a postgres database.
Could you please post an example?
Best regards,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Stephen
Woodbridge
Sent: s?bado, 11 de Novembro de 2006 5:05
To: PostGIS Users Discussion
Subject: Re: [postgis-users] NAVTEQ Data?
adam at spatialsystems.org wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger
> files. I also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
Yes, have loaded it into PostGIS and used it as shapefiles, and arcInfo
formats, it is just data with lots of attributes and comes with the
feature of a high price tag as it is premium licensed data. It is great
data if your business model can afford it.
-Steve
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From strk at refractions.net Sat Nov 11 06:16:20 2006
From: strk at refractions.net (strk at refractions.net)
Date: Sat, 11 Nov 2006 15:16:20 +0100
Subject: [postgis-users] Help initialize PostGIS with lwpostgis.sq l
In-Reply-To: <45554ECB.000007.11777@bj163app89.163.com>
References: <45554ECB.000007.11777@bj163app89.163.com>
Message-ID: <20061111141620.GE3659@keybit.net>
On Sat, Nov 11, 2006 at 12:17:15PM +0800, alex_chew wrote:
> I tried to query some geometry data with SQL,
> SELECT name, AsSVG(intersection(Simplify(the_geom,20),GeometryFromText("POLYGON((104 30,105 30,105 32,104 32,104 30))",4326)),1,1) AS svg_geom FROM river WHERE the_geom && setSRID("BOX3D(104 30, 105 32)"::box3d,4326)
>
> Error message i got is,
> ERROR: column "POLYGON((104 30,105 30,105 32,104 32,104 30))" does not exist
Literal strings need to be quoted with single quotes:
'POLYGON....'
Double-quotes are used to specify identifiers, like column names:
"My Column Name With Spaces And Mixed Case"
So you're trying to reference a column names "POLYGON..." and
the SQL parser is raising an error on that.
--strk;
From woodbri at swoodbridge.com Sat Nov 11 07:12:30 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Sat, 11 Nov 2006 10:12:30 -0500
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <001301c70590$18da7cf0$23d6bed5@oem41cbbf9e178>
References: <001301c70590$18da7cf0$23d6bed5@oem41cbbf9e178>
Message-ID: <4555E85E.2080204@swoodbridge.com>
Pedro Doria Meunier wrote:
> Hey Steve,
>
> More than the actual data, I'm more interested in the method of getting
> navteq data into a postgres database.
>
> Could you please post an example?
We use shp2pgsql which is part of postGIS. This is the stabdard
shapefile loader. For dbf only data files we dbf2pg. Am I missing something?
-Steve
> Best regards,
> Pedro Doria Meunier
> (351) 91 302 49 72 - (351) 96 247 99 12
> MSN - pdoriam at hotmail.com
> ICQ - 308-182-126
> Skype: pdoriam
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Stephen
> Woodbridge
> Sent: s?bado, 11 de Novembro de 2006 5:05
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] NAVTEQ Data?
>
> adam at spatialsystems.org wrote:
>> I've seen some NAVTEQ data in cars and I like it, better than Tiger
>> files. I also heard it has road speeds in it.
>>
>> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
>
> Yes, have loaded it into PostGIS and used it as shapefiles, and arcInfo
> formats, it is just data with lots of attributes and comes with the
> feature of a high price tag as it is premium licensed data. It is great
> data if your business model can afford it.
>
> -Steve
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From pdoria at netmadeira.com Sat Nov 11 10:30:09 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Sat, 11 Nov 2006 18:30:09 -0000
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <4555E85E.2080204@swoodbridge.com>
Message-ID: <002801c705bf$6bac87f0$23d6bed5@oem41cbbf9e178>
Hey Steve,
Yup. :)
I was actually looking for a way (parser/converter/whatever) to export SDAL
data into shapefiles->Postgis ... ;-)
Regards,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Stephen
Woodbridge
Sent: s?bado, 11 de Novembro de 2006 15:13
To: PostGIS Users Discussion
Subject: Re: [postgis-users] NAVTEQ Data?
Pedro Doria Meunier wrote:
> Hey Steve,
>
> More than the actual data, I'm more interested in the method of getting
> navteq data into a postgres database.
>
> Could you please post an example?
We use shp2pgsql which is part of postGIS. This is the stabdard
shapefile loader. For dbf only data files we dbf2pg. Am I missing something?
-Steve
> Best regards,
> Pedro Doria Meunier
> (351) 91 302 49 72 - (351) 96 247 99 12
> MSN - pdoriam at hotmail.com
> ICQ - 308-182-126
> Skype: pdoriam
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Stephen
> Woodbridge
> Sent: s?bado, 11 de Novembro de 2006 5:05
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] NAVTEQ Data?
>
> adam at spatialsystems.org wrote:
>> I've seen some NAVTEQ data in cars and I like it, better than Tiger
>> files. I also heard it has road speeds in it.
>>
>> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
>
> Yes, have loaded it into PostGIS and used it as shapefiles, and arcInfo
> formats, it is just data with lots of attributes and comes with the
> feature of a high price tag as it is premium licensed data. It is great
> data if your business model can afford it.
>
> -Steve
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From jgw at alpinegeophysics.com Sat Nov 11 10:42:06 2006
From: jgw at alpinegeophysics.com (James G Wilkinson)
Date: Sat, 11 Nov 2006 10:42:06 -0800
Subject: [postgis-users] Closing a LINESTRING
Message-ID: <4556197E.5060806@alpinegeophysics.com>
I am not sure this is the correct board for this, but here goes.
I have a GEOMETRYCOLLECTION that represents a
meandering line. It is a valid geometry per ISVALID(), and
it is not closed per ISCLOSED(). Is there anyway that I
can insert an additional line into this collection so that ISCLOSED()
will return true? That is I want to connect the start point and end
point of this collection.
Regards,
Jim
From sxpert at sxpert.org Sat Nov 11 12:06:08 2006
From: sxpert at sxpert.org (=?ISO-8859-1?Q?Rapha=EBl_Jacquot?=)
Date: Sat, 11 Nov 2006 21:06:08 +0100
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <002801c705bf$6bac87f0$23d6bed5@oem41cbbf9e178>
References: <002801c705bf$6bac87f0$23d6bed5@oem41cbbf9e178>
Message-ID: <45562D30.9040406@sxpert.org>
Pedro Doria Meunier wrote:
> Hey Steve,
>
> Yup. :)
>
> I was actually looking for a way (parser/converter/whatever) to export SDAL
> data into shapefiles->Postgis ... ;-)
that'd be illegal, unless you have a license from navteq
> Regards,
> Pedro Doria Meunier
> (351) 91 302 49 72 - (351) 96 247 99 12
> MSN - pdoriam at hotmail.com
> ICQ - 308-182-126
> Skype: pdoriam
From pdoria at netmadeira.com Sat Nov 11 12:14:01 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Sat, 11 Nov 2006 20:14:01 -0000
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <45562D30.9040406@sxpert.org>
Message-ID: <000301c705cd$ee1d4a40$23d6bed5@oem41cbbf9e178>
Hey Rapha?l,
I'm actually trying to convert my *own* map data into sdal ...
We've developed the cartography for our neck of the woods as seen at
www.madeiragps.com ;-)
As to a licence from Navtech to use their sdal format... well... it's been
over 5 unanswered emails... :O
Regards,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Rapha?l
Jacquot
Sent: s?bado, 11 de Novembro de 2006 20:06
To: PostGIS Users Discussion
Subject: Re: [postgis-users] NAVTEQ Data?
Pedro Doria Meunier wrote:
> Hey Steve,
>
> Yup. :)
>
> I was actually looking for a way (parser/converter/whatever) to export
SDAL
> data into shapefiles->Postgis ... ;-)
that'd be illegal, unless you have a license from navteq
> Regards,
> Pedro Doria Meunier
> (351) 91 302 49 72 - (351) 96 247 99 12
> MSN - pdoriam at hotmail.com
> ICQ - 308-182-126
> Skype: pdoriam
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From sxpert at sxpert.org Sat Nov 11 12:20:16 2006
From: sxpert at sxpert.org (=?ISO-8859-1?Q?Rapha=EBl_Jacquot?=)
Date: Sat, 11 Nov 2006 21:20:16 +0100
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <000301c705cd$ee1d4a40$23d6bed5@oem41cbbf9e178>
References: <000301c705cd$ee1d4a40$23d6bed5@oem41cbbf9e178>
Message-ID: <45563080.2080202@sxpert.org>
Pedro Doria Meunier wrote:
> Hey Rapha?l,
>
> I'm actually trying to convert my *own* map data into sdal ...
> We've developed the cartography for our neck of the woods as seen at
> www.madeiragps.com ;-)
>
> As to a licence from Navtech to use their sdal format... well... it's been
> over 5 unanswered emails... :O
time to think it over and create your own format / navigation application..
heck you could participate in openstreetmap.org...
we currently have a couple spanish people, but no portuguese...
>
> Regards,
>
> Pedro Doria Meunier
> (351) 91 302 49 72 - (351) 96 247 99 12
> MSN - pdoriam at hotmail.com
> ICQ - 308-182-126
> Skype: pdoriam
From strk at refractions.net Sat Nov 11 13:32:24 2006
From: strk at refractions.net (strk at refractions.net)
Date: Sat, 11 Nov 2006 22:32:24 +0100
Subject: [postgis-users] Closing a LINESTRING
In-Reply-To: <4556197E.5060806@alpinegeophysics.com>
References: <4556197E.5060806@alpinegeophysics.com>
Message-ID: <20061111213224.GA9192@keybit.net>
On Sat, Nov 11, 2006 at 10:42:06AM -0800, James G Wilkinson wrote:
> I am not sure this is the correct board for this, but here goes.
>
> I have a GEOMETRYCOLLECTION that represents a
> meandering line. It is a valid geometry per ISVALID(), and
> it is not closed per ISCLOSED(). Is there anyway that I
> can insert an additional line into this collection so that ISCLOSED()
> will return true? That is I want to connect the start point and end
> point of this collection.
See linemerge() manual entry (to use *after* adding the new line
to the collection.
--strk;
From robtester at gmail.com Sun Nov 12 05:12:45 2006
From: robtester at gmail.com (Rob Tester)
Date: Sun, 12 Nov 2006 08:12:45 -0500
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
References: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
Message-ID: <f5f60fb50611120512ld9596d1wa8de038ee8578a02@mail.gmail.com>
Very possible. I have done it. It does have road speeds for some
roads, not all. It is more accurate than Tiger, but then it should be
for the price.
On 11/10/06, adam at spatialsystems.org <adam at spatialsystems.org> wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger files.
> I also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
>
> Thanks,
> Adam
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
From jgw at alpinegeophysics.com Sun Nov 12 13:55:32 2006
From: jgw at alpinegeophysics.com (James G Wilkinson)
Date: Sun, 12 Nov 2006 13:55:32 -0800
Subject: [postgis-users] Closing a LINESTRING
In-Reply-To: <20061111213224.GA9192@keybit.net>
References: <4556197E.5060806@alpinegeophysics.com>
<20061111213224.GA9192@keybit.net>
Message-ID: <45579854.3050708@alpinegeophysics.com>
strk,
Thanks for the pointer to linemerge(), but I am still not sure how to
insert an additional
linestring into the existing geometrycollection. Maybe this a "duh,"
but I have not
figured out how to inert a line segment into the existing geometry.
Regards,
Jim
strk at refractions.net wrote:
>On Sat, Nov 11, 2006 at 10:42:06AM -0800, James G Wilkinson wrote:
>
>
>>I am not sure this is the correct board for this, but here goes.
>>
>>I have a GEOMETRYCOLLECTION that represents a
>>meandering line. It is a valid geometry per ISVALID(), and
>>it is not closed per ISCLOSED(). Is there anyway that I
>>can insert an additional line into this collection so that ISCLOSED()
>>will return true? That is I want to connect the start point and end
>>point of this collection.
>>
>>
>
>See linemerge() manual entry (to use *after* adding the new line
>to the collection.
>
>--strk;
>_______________________________________________
>postgis-users mailing list
>postgis-users at postgis.refractions.net
>http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
>
-------------- next part --------------
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From stefan.schwarzer at grid.unep.ch Sun Nov 12 22:59:14 2006
From: stefan.schwarzer at grid.unep.ch (Stefan Schwarzer)
Date: Mon, 13 Nov 2006 07:59:14 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <20061110150411.GF2075@intevation.de>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
<20061110150411.GF2075@intevation.de>
Message-ID: <14138FE0-D1A0-45D5-ADE2-3D3288BB7E77@grid.unep.ch>
Thanks for the suggestions.
The pg_dump works.
For the _restore I had to download the latest source package. But
because I don't do any compilations/makes I just accessed the files
in the download directory.
So if I run the below mentioned postgis_restore.pl command I get the
following error:
dyld: Library not loaded: /usr/local/pgsql/lib/libpq.3.dylib
Referenced from: /usr/local/bin/pg_restore
Reason: image not found
dyld: Library not loaded: /usr/local/pgsql/lib/libpq.3.dylib
Referenced from: /usr/local/bin/pg_restore
Reason: image not found
pg_restore call failed
There is a copy of that file on my computer under /Library/PHP4/lib/
libpq.3.dylib.
I tried to do a link: libpq.3.dylib -> /Library/PHP4/lib/libpq.3.dylib
But still it doesn't work.
However there is a file libpq.4.1.dylib in /usr/local/pgsql/lib
Gush, why are things always so complicated?
Thanks for any help!
Stefan
> * Stefan Schwarzer <stefan.schwarzer at grid.unep.ch> [061110 15:55]:
>> Under "Hard upgrade" I don't find anything. I guess you mean this
>> section (page 5)? Seems still rather complicated....
>
> I think strk was talking about the online Doku:
> http://postgis.refractions.net/docs/ch02.html#upgrading
>
> Essentially it is
>
> $ pg_dump -Fc olddb olddb.dump
>
> and
>
> $ sh utils/postgis_restore.pl lwpostgis.sql newdb olddb.dump >
> restore.log
>
> The rest are checks and cleanups if migration from older postgresql
> versions - which isn't the case in your situation.
>
> Regards,
>
> Frank
>
> --
> Frank Koormann
> <frank.koormann at intevation.de>
> Professional Service around Free Software (http://
> intevation.net/)
> FreeGIS Project (http://freegis.org/)
> PostGIS Support (http://intevation.de/services/gis/
> postgis.en.html)
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From strk at refractions.net Mon Nov 13 00:05:17 2006
From: strk at refractions.net (strk at refractions.net)
Date: Mon, 13 Nov 2006 09:05:17 +0100
Subject: [postgis-users] Closing a LINESTRING
In-Reply-To: <45579854.3050708@alpinegeophysics.com>
References: <4556197E.5060806@alpinegeophysics.com>
<20061111213224.GA9192@keybit.net>
<45579854.3050708@alpinegeophysics.com>
Message-ID: <20061113080517.GB33640@keybit.net>
On Sun, Nov 12, 2006 at 01:55:32PM -0800, James G Wilkinson wrote:
> strk,
>
> Thanks for the pointer to linemerge(), but I am still not sure how to
> insert an additional
> linestring into the existing geometrycollection. Maybe this a "duh,"
> but I have not
> figured out how to inert a line segment into the existing geometry.
see collect() ?
--strk;
From strk at refractions.net Mon Nov 13 00:07:03 2006
From: strk at refractions.net (strk at refractions.net)
Date: Mon, 13 Nov 2006 09:07:03 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <14138FE0-D1A0-45D5-ADE2-3D3288BB7E77@grid.unep.ch>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
<20061110150411.GF2075@intevation.de>
<14138FE0-D1A0-45D5-ADE2-3D3288BB7E77@grid.unep.ch>
Message-ID: <20061113080703.GC33640@keybit.net>
On Mon, Nov 13, 2006 at 07:59:14AM +0100, Stefan Schwarzer wrote:
> Thanks for the suggestions.
>
> The pg_dump works.
>
> For the _restore I had to download the latest source package. But
> because I don't do any compilations/makes I just accessed the files
> in the download directory.
Did it work finally ?
> So if I run the below mentioned postgis_restore.pl command I get the
> following error:
>
> dyld: Library not loaded: /usr/local/pgsql/lib/libpq.3.dylib
> Referenced from: /usr/local/bin/pg_restore
> Reason: image not found
If explicit pg_restore worked and postgis_restore.pl doesn't I presume
is because postgis_restore.pl invokes the pg_restore found in path,
which is NOT the same you were manually invoked ?
--strk;
From Hendra at lskk.ee.itb.ac.id Mon Nov 13 00:00:52 2006
From: Hendra at lskk.ee.itb.ac.id (Hendra Yana)
Date: Mon, 13 Nov 2006 15:00:52 +0700
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of postgresql
Message-ID: <WorldClient-F200611131500.AA00520164@lskk.ee.itb.ac.id>
Help....
I've been trying to convert database from Ms-Access shape data to the_geom
for postgresql.
I try to export from MS-Access to postgresql with PGSQL-ODBC connection,
but the result in postgresql still not result as the_geom field but still
the shape data in fields.
Can anyone tell me how to Convert database from Ms-Access shape data to
the_geom for postgresql???
thanks for reply....
From computrain at paradise.net.nz Mon Nov 13 00:35:05 2006
From: computrain at paradise.net.nz (Marc Angelo)
Date: Mon, 13 Nov 2006 21:35:05 +1300
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
postgresql
References: <WorldClient-F200611131500.AA00520164@lskk.ee.itb.ac.id>
Message-ID: <001f01c706fe$9ec6d880$fa0a0a0a@hellboy>
I can't give you a full answer but I can tell you why (I think) the "data
conversion" is failing (somebody please correct me if I am wrong). I think
you will find that the co-ordinate data in Access is a "double" or "single"
data type as Access does not have a "geometry" data type like in Postgres.
When you use the PostGres ODBC connector you are just transferring the data
from one database to another so Postgres is just placing the data in the
fields in the nearest data type that is equivalant to the Acces data type.
If the data needs only to be transferred once (not on a regular basis) from
Access you could import the data by writing a small routine in C++.Net or
VB.Net. I wrote a small app a while ago that imported geometry data into
Postgres.
I connected to PostGres using NPGSQL data connector. All my data was in csv
fomat inside a text file. The routine opened the csv file and then imported
each record into Postgres by using an SQL insert statement combined with the
GeometryFromText() function which converts text coordinates into a geometry
data type in Postgres.
Having said that I am not competent with SQL so I suspect that you could
write an SQL statement within Postgres to import and convert data that
resides in a csv file.....this would mean exporting your data from Access
into a .txt or csv file.
Hope this gives you at least some help.
Cheers
Marc
----- Original Message -----
From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
To: <postgis-users at postgis.refractions.net>
Sent: Monday, November 13, 2006 9:00 PM
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
postgresql
> Help....
>
> I've been trying to convert database from Ms-Access shape data to the_geom
> for postgresql.
>
> I try to export from MS-Access to postgresql with PGSQL-ODBC connection,
> but the result in postgresql still not result as the_geom field but still
> the shape data in fields.
>
> Can anyone tell me how to Convert database from Ms-Access shape data to
> the_geom for postgresql???
>
> thanks for reply....
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.409 / Virus Database: 268.14.3/531 - Release Date: 12/11/2006
>
>
From stefan.schwarzer at grid.unep.ch Mon Nov 13 00:37:07 2006
From: stefan.schwarzer at grid.unep.ch (Stefan Schwarzer)
Date: Mon, 13 Nov 2006 09:37:07 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <20061113080703.GC33640@keybit.net>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
<20061110150411.GF2075@intevation.de>
<14138FE0-D1A0-45D5-ADE2-3D3288BB7E77@grid.unep.ch>
<20061113080703.GC33640@keybit.net>
Message-ID: <888C2130-552E-4B65-8DE8-F606840F9723@grid.unep.ch>
I added the path to the pg-bins into bash: export PATH="$PATH:/usr/
local/pgsql/bin"
When I use then (for example) the psql it gives me this:
~ schwarzer$ psql geodataportal_utf8
dyld: Library not loaded: /usr/local/pgsql/lib/libpq.3.dylib
Referenced from: /usr/local/bin/psql
Reason: Incompatible library version: psql requires version 3.0.0
or later, but libpq.3.dylib provides version 0.0.0
Trace/BPT trap
But if I use:
~ schwarzer$ /usr/local/pgsql/bin/psql geodataportal_utf8
everything works fine...
Any idea?
Stef
On Nov 13, 2006, at 9:07 AM, strk at refractions.net wrote:
> On Mon, Nov 13, 2006 at 07:59:14AM +0100, Stefan Schwarzer wrote:
>> Thanks for the suggestions.
>>
>> The pg_dump works.
>>
>> For the _restore I had to download the latest source package. But
>> because I don't do any compilations/makes I just accessed the files
>> in the download directory.
>
> Did it work finally ?
>
>> So if I run the below mentioned postgis_restore.pl command I get the
>> following error:
>>
>> dyld: Library not loaded: /usr/local/pgsql/lib/libpq.3.dylib
>> Referenced from: /usr/local/bin/pg_restore
>> Reason: image not found
>
> If explicit pg_restore worked and postgis_restore.pl doesn't I presume
> is because postgis_restore.pl invokes the pg_restore found in path,
> which is NOT the same you were manually invoked ?
> --strk;
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From strk at refractions.net Mon Nov 13 00:45:58 2006
From: strk at refractions.net (strk at refractions.net)
Date: Mon, 13 Nov 2006 09:45:58 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <888C2130-552E-4B65-8DE8-F606840F9723@grid.unep.ch>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
<20061110150411.GF2075@intevation.de>
<14138FE0-D1A0-45D5-ADE2-3D3288BB7E77@grid.unep.ch>
<20061113080703.GC33640@keybit.net>
<888C2130-552E-4B65-8DE8-F606840F9723@grid.unep.ch>
Message-ID: <20061113084558.GA44576@keybit.net>
On Mon, Nov 13, 2006 at 09:37:07AM +0100, Stefan Schwarzer wrote:
> I added the path to the pg-bins into bash: export PATH="$PATH:/usr/
> local/pgsql/bin"
...
> ~ schwarzer$ psql geodataportal_utf8
> dyld: Library not loaded: /usr/local/pgsql/lib/libpq.3.dylib
> Referenced from: /usr/local/bin/psql
> Reason: Incompatible library version: psql requires version 3.0.0
> or later, but libpq.3.dylib provides version 0.0.0
> Trace/BPT trap
>
> But if I use:
>
> ~ schwarzer$ /usr/local/pgsql/bin/psql geodataportal_utf8
>
> everything works fine...
You have both:
/usr/local/bin/psql
and
/usr/local/pgsql/bin/psql
The former doesn't work, the latter does.
When exporting your PATH you *append* /usr/local/pgsql/bin to
the existing $PATH, which likely includes /usr/local/bin.
Try *prepending* it instead:
export PATH="/usr/local/pgsql/bin:$PATH"
Also, check with 'which psql' to make sure the correct one is being
foundn (bash keeps known binaries in an hash, you can clean it up using
'hash -r')
--strk;
From stefan.schwarzer at grid.unep.ch Mon Nov 13 01:51:30 2006
From: stefan.schwarzer at grid.unep.ch (Stefan Schwarzer)
Date: Mon, 13 Nov 2006 10:51:30 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <20061113084558.GA44576@keybit.net>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
<20061110150411.GF2075@intevation.de>
<14138FE0-D1A0-45D5-ADE2-3D3288BB7E77@grid.unep.ch>
<20061113080703.GC33640@keybit.net>
<888C2130-552E-4B65-8DE8-F606840F9723@grid.unep.ch>
<20061113084558.GA44576@keybit.net>
Message-ID: <D5D4A7B4-9C7F-4A42-9D7A-401794449876@grid.unep.ch>
> You have both:
> /usr/local/bin/psql
> and
> /usr/local/pgsql/bin/psql
>
> The former doesn't work, the latter does.
> When exporting your PATH you *append* /usr/local/pgsql/bin to
> the existing $PATH, which likely includes /usr/local/bin.
> Try *prepending* it instead:
>
> export PATH="/usr/local/pgsql/bin:$PATH"
>
> Also, check with 'which psql' to make sure the correct one is being
> foundn (bash keeps known binaries in an hash, you can clean it up
> using
> 'hash -r')
>
> --strk;
Great, that seemed to be it! Thanks a lot!
I now have this command (with an encoding param):
schwarzer$ sh temp/downloads/postgis-1.1.6/utils/postgis_restore.pl /
usr/local/pgsql/share/contrib/lwpostgis.sql geodataportal_utf8 temp/
dump_geodataportal_utf8_2006-11-13.sql --encoding=UTF_8 > restore.log
It gives me the following notice & erros. Anything serious
(especially with the errors at the bottom)?
NOTICE: type "histogram2d" is not yet defined
DETAIL: Creating a shell type definition.
NOTICE: argument type histogram2d is only a shell
NOTICE: type "spheroid" is not yet defined
DETAIL: Creating a shell type definition.
NOTICE: argument type spheroid is only a shell
NOTICE: type "geometry" is not yet defined
DETAIL: Creating a shell type definition.
NOTICE: argument type geometry is only a shell
NOTICE: return type geometry is only a shell
NOTICE: argument type geometry is only a shell
NOTICE: type "box3d" is not yet defined
DETAIL: Creating a shell type definition.
NOTICE: argument type box3d is only a shell
NOTICE: type "chip" is not yet defined
DETAIL: Creating a shell type definition.
NOTICE: argument type chip is only a shell
NOTICE: type "box2d" is not yet defined
DETAIL: Creating a shell type definition.
NOTICE: argument type box2d is only a shell
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index
"spatial_ref_sys_pkey" for table "spatial_ref_sys"
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index
"geometry_columns_pk" for table "geometry_columns"
ERROR: language "plpgsql" already exists
ERROR: could not access file "$libdir/liblwgeom.so.1.1": No such
file or directory
ERROR: function public.affine(geometry, double precision, double
precision, double precision, double precision, double precision,
double precision, double precision, double precision, double
precision, double precision, double precision, double precision) does
not exist
From strk at refractions.net Mon Nov 13 01:57:01 2006
From: strk at refractions.net (strk at refractions.net)
Date: Mon, 13 Nov 2006 10:57:01 +0100
Subject: [postgis-users] Correct dump and restore
In-Reply-To: <D5D4A7B4-9C7F-4A42-9D7A-401794449876@grid.unep.ch>
References: <A2D91916-E2B6-4772-9239-D10D23130DD1@grid.unep.ch>
<20061110142621.GB80694@keybit.net>
<65F4FB60-39AC-428D-B5E7-71F46EA09287@grid.unep.ch>
<20061110150411.GF2075@intevation.de>
<14138FE0-D1A0-45D5-ADE2-3D3288BB7E77@grid.unep.ch>
<20061113080703.GC33640@keybit.net>
<888C2130-552E-4B65-8DE8-F606840F9723@grid.unep.ch>
<20061113084558.GA44576@keybit.net>
<D5D4A7B4-9C7F-4A42-9D7A-401794449876@grid.unep.ch>
Message-ID: <20061113095701.GE44576@keybit.net>
On Mon, Nov 13, 2006 at 10:51:30AM +0100, Stefan Schwarzer wrote:
> Great, that seemed to be it! Thanks a lot!
>
> I now have this command (with an encoding param):
...
> ERROR: could not access file "$libdir/liblwgeom.so.1.1": No such
> file or directory
You need to *install* the *new* postgis libs (make install) before
invoking the postgis_restore.pl script to import a dump.
--strk;
From schabi at logix-tt.com Mon Nov 13 03:25:06 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Mon, 13 Nov 2006 12:25:06 +0100
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
References: <20061110215454.292eb6c930850de810cf35869bff7bc4.aa870dbdc6.wbe@email.secureserver.net>
Message-ID: <45585612.5060804@logix-tt.com>
Hi, Adam,
adam at spatialsystems.org wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger
> files. I also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
We're currently using NavteQ data in shapefile format, and using
shp2pgsql to load it into PostGIS. The NavteQ ShapeFiles are suited
relatively well for map visualisation, but for routing applications,
some advanced attributes are missing, and the data has to be
preprocessed (normalized etc.).
HTH,
Schabi
From pdoria at netmadeira.com Mon Nov 13 03:46:18 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Mon, 13 Nov 2006 11:46:18 -0000
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <45585612.5060804@logix-tt.com>
Message-ID: <000001c70719$5580cdf0$23d6bed5@oem41cbbf9e178>
About Navteq data and its use in Postgis
The latter is most useful in their GDF (navteq variant) format where routing
is concerned.
The problem is that gdf is a ludicrous format to understand, let alone
implementing, writing a parser, etc...
FME 2006 does it at a very great expense and a great deal of time investment
on the side of the programmer... :-(
A demo -- time based -- of it is available at
http://www.safe.com/evaluation/index.php
A gdf (properly formatted) conversion to shapefile, for a future inclusion
in a postgis database, produces a ludicrous amount of shapefiles and they're
not even readable with shp2pgsql ...
About the gdf format,
There are samples and documents at Ertico --
http://www.ertico.com/en/links/links/gdf_-_geographic_data_files.htm
Regards,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Markus
Schaber
Sent: segunda-feira, 13 de Novembro de 2006 11:25
To: PostGIS Users Discussion
Subject: Re: [postgis-users] NAVTEQ Data?
Hi, Adam,
adam at spatialsystems.org wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger
> files. I also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
We're currently using NavteQ data in shapefile format, and using
shp2pgsql to load it into PostGIS. The NavteQ ShapeFiles are suited
relatively well for map visualisation, but for routing applications,
some advanced attributes are missing, and the data has to be
preprocessed (normalized etc.).
HTH,
Schabi
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From punkish at eidesis.org Mon Nov 13 04:43:04 2006
From: punkish at eidesis.org (P Kishor)
Date: Mon, 13 Nov 2006 06:43:04 -0600
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
postgresql
In-Reply-To: <001f01c706fe$9ec6d880$fa0a0a0a@hellboy>
References: <WorldClient-F200611131500.AA00520164@lskk.ee.itb.ac.id>
<001f01c706fe$9ec6d880$fa0a0a0a@hellboy>
Message-ID: <cdf6db500611130443g5b0dc661tf27a00095b04863e@mail.gmail.com>
coordinate data in Access (equivalent to the geom in PostGIS) is
stored as a blob.
On 11/13/06, Marc Angelo <computrain at paradise.net.nz> wrote:
> I can't give you a full answer but I can tell you why (I think) the "data
> conversion" is failing (somebody please correct me if I am wrong). I think
> you will find that the co-ordinate data in Access is a "double" or "single"
> data type as Access does not have a "geometry" data type like in Postgres.
> When you use the PostGres ODBC connector you are just transferring the data
> from one database to another so Postgres is just placing the data in the
> fields in the nearest data type that is equivalant to the Acces data type.
>
> If the data needs only to be transferred once (not on a regular basis) from
> Access you could import the data by writing a small routine in C++.Net or
> VB.Net. I wrote a small app a while ago that imported geometry data into
> Postgres.
> I connected to PostGres using NPGSQL data connector. All my data was in csv
> fomat inside a text file. The routine opened the csv file and then imported
> each record into Postgres by using an SQL insert statement combined with the
> GeometryFromText() function which converts text coordinates into a geometry
> data type in Postgres.
> Having said that I am not competent with SQL so I suspect that you could
> write an SQL statement within Postgres to import and convert data that
> resides in a csv file.....this would mean exporting your data from Access
> into a .txt or csv file.
>
> Hope this gives you at least some help.
>
> Cheers
> Marc
>
>
> ----- Original Message -----
> From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
> To: <postgis-users at postgis.refractions.net>
> Sent: Monday, November 13, 2006 9:00 PM
> Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
> postgresql
>
>
> > Help....
> >
> > I've been trying to convert database from Ms-Access shape data to the_geom
> > for postgresql.
> >
> > I try to export from MS-Access to postgresql with PGSQL-ODBC connection,
> > but the result in postgresql still not result as the_geom field but still
> > the shape data in fields.
> >
> > Can anyone tell me how to Convert database from Ms-Access shape data to
> > the_geom for postgresql???
> >
> > thanks for reply....
> >
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
> >
> > --
> > No virus found in this incoming message.
> > Checked by AVG Free Edition.
> > Version: 7.1.409 / Virus Database: 268.14.3/531 - Release Date: 12/11/2006
> >
> >
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Puneet Kishor http://punkish.eidesis.org/
Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
Open Source Geospatial Foundation https://edu.osgeo.org/
-------------------------------------------------------------------------------------------------------
collaborate, communicate, compete
====================================================
From bclay at ball.com Mon Nov 13 05:34:47 2006
From: bclay at ball.com (Clay, Bruce)
Date: Mon, 13 Nov 2006 08:34:47 -0500
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
ofpostgresql
Message-ID: <C482FF98AE985A47B8C982FD429C9E34FEF976@daytonmsg2k3.AERO.BALL.COM>
Does anyone have the data format for the blob?
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of P
Kishor
Sent: Monday, November 13, 2006 7:43 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] HELP! Ms-Access shape data to the_geom
ofpostgresql
coordinate data in Access (equivalent to the geom in PostGIS) is
stored as a blob.
On 11/13/06, Marc Angelo <computrain at paradise.net.nz> wrote:
> I can't give you a full answer but I can tell you why (I think) the
"data
> conversion" is failing (somebody please correct me if I am wrong). I
think
> you will find that the co-ordinate data in Access is a "double" or
"single"
> data type as Access does not have a "geometry" data type like in
Postgres.
> When you use the PostGres ODBC connector you are just transferring the
data
> from one database to another so Postgres is just placing the data in
the
> fields in the nearest data type that is equivalant to the Acces data
type.
>
> If the data needs only to be transferred once (not on a regular basis)
from
> Access you could import the data by writing a small routine in C++.Net
or
> VB.Net. I wrote a small app a while ago that imported geometry data
into
> Postgres.
> I connected to PostGres using NPGSQL data connector. All my data was
in csv
> fomat inside a text file. The routine opened the csv file and then
imported
> each record into Postgres by using an SQL insert statement combined
with the
> GeometryFromText() function which converts text coordinates into a
geometry
> data type in Postgres.
> Having said that I am not competent with SQL so I suspect that you
could
> write an SQL statement within Postgres to import and convert data that
> resides in a csv file.....this would mean exporting your data from
Access
> into a .txt or csv file.
>
> Hope this gives you at least some help.
>
> Cheers
> Marc
>
>
> ----- Original Message -----
> From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
> To: <postgis-users at postgis.refractions.net>
> Sent: Monday, November 13, 2006 9:00 PM
> Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
> postgresql
>
>
> > Help....
> >
> > I've been trying to convert database from Ms-Access shape data to
the_geom
> > for postgresql.
> >
> > I try to export from MS-Access to postgresql with PGSQL-ODBC
connection,
> > but the result in postgresql still not result as the_geom field but
still
> > the shape data in fields.
> >
> > Can anyone tell me how to Convert database from Ms-Access shape data
to
> > the_geom for postgresql???
> >
> > thanks for reply....
> >
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
> >
> > --
> > No virus found in this incoming message.
> > Checked by AVG Free Edition.
> > Version: 7.1.409 / Virus Database: 268.14.3/531 - Release Date:
12/11/2006
> >
> >
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Puneet Kishor http://punkish.eidesis.org/
Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
Open Source Geospatial Foundation https://edu.osgeo.org/
------------------------------------------------------------------------
-------------------------------
collaborate, communicate, compete
====================================================
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From will at mtintouch.net Mon Nov 13 05:43:28 2006
From: will at mtintouch.net (Will Muir)
Date: Mon, 13 Nov 2006 06:43:28 -0700
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
postgresql
In-Reply-To: <WorldClient-F200611131500.AA00520164@lskk.ee.itb.ac.id>
References: <WorldClient-F200611131500.AA00520164@lskk.ee.itb.ac.id>
Message-ID: <53504962-83C3-4F4F-8292-62FCE21AF59D@mtintouch.net>
If on windows ogr2ogr will load an mdb file into Postgres.
Will
On Nov 13, 2006, at 1:00 AM, Hendra Yana wrote:
> Help....
>
> I've been trying to convert database from Ms-Access shape data to
> the_geom
> for postgresql.
>
> I try to export from MS-Access to postgresql with PGSQL-ODBC
> connection,
> but the result in postgresql still not result as the_geom field but
> still
> the shape data in fields.
>
> Can anyone tell me how to Convert database from Ms-Access shape
> data to
> the_geom for postgresql???
>
> thanks for reply....
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From punkish at eidesis.org Mon Nov 13 05:44:25 2006
From: punkish at eidesis.org (P Kishor)
Date: Mon, 13 Nov 2006 07:44:25 -0600
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
ofpostgresql
In-Reply-To: <C482FF98AE985A47B8C982FD429C9E34FEF976@daytonmsg2k3.AERO.BALL.COM>
References: <C482FF98AE985A47B8C982FD429C9E34FEF976@daytonmsg2k3.AERO.BALL.COM>
Message-ID: <cdf6db500611130544t64a2e865l3f6f08b45800519b@mail.gmail.com>
afaik, it is not publicly documented like shapefile. I also hear that
ESRI is going to be doing away with personal geodb in the near future,
and might be going back to some kind of flat file structure... perhaps
a super shapefile format?
On 11/13/06, Clay, Bruce <bclay at ball.com> wrote:
> Does anyone have the data format for the blob?
>
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of P
> Kishor
> Sent: Monday, November 13, 2006 7:43 AM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] HELP! Ms-Access shape data to the_geom
> ofpostgresql
>
> coordinate data in Access (equivalent to the geom in PostGIS) is
> stored as a blob.
>
> On 11/13/06, Marc Angelo <computrain at paradise.net.nz> wrote:
> > I can't give you a full answer but I can tell you why (I think) the
> "data
> > conversion" is failing (somebody please correct me if I am wrong). I
> think
> > you will find that the co-ordinate data in Access is a "double" or
> "single"
> > data type as Access does not have a "geometry" data type like in
> Postgres.
> > When you use the PostGres ODBC connector you are just transferring the
> data
> > from one database to another so Postgres is just placing the data in
> the
> > fields in the nearest data type that is equivalant to the Acces data
> type.
> >
> > If the data needs only to be transferred once (not on a regular basis)
> from
> > Access you could import the data by writing a small routine in C++.Net
> or
> > VB.Net. I wrote a small app a while ago that imported geometry data
> into
> > Postgres.
> > I connected to PostGres using NPGSQL data connector. All my data was
> in csv
> > fomat inside a text file. The routine opened the csv file and then
> imported
> > each record into Postgres by using an SQL insert statement combined
> with the
> > GeometryFromText() function which converts text coordinates into a
> geometry
> > data type in Postgres.
> > Having said that I am not competent with SQL so I suspect that you
> could
> > write an SQL statement within Postgres to import and convert data that
> > resides in a csv file.....this would mean exporting your data from
> Access
> > into a .txt or csv file.
> >
> > Hope this gives you at least some help.
> >
> > Cheers
> > Marc
> >
> >
> > ----- Original Message -----
> > From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
> > To: <postgis-users at postgis.refractions.net>
> > Sent: Monday, November 13, 2006 9:00 PM
> > Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
> > postgresql
> >
> >
> > > Help....
> > >
> > > I've been trying to convert database from Ms-Access shape data to
> the_geom
> > > for postgresql.
> > >
> > > I try to export from MS-Access to postgresql with PGSQL-ODBC
> connection,
> > > but the result in postgresql still not result as the_geom field but
> still
> > > the shape data in fields.
> > >
> > > Can anyone tell me how to Convert database from Ms-Access shape data
> to
> > > the_geom for postgresql???
> > >
> > > thanks for reply....
> > >
> > >
> > > _______________________________________________
> > > postgis-users mailing list
> > > postgis-users at postgis.refractions.net
> > > http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >
> > >
> > >
> > > --
> > > No virus found in this incoming message.
> > > Checked by AVG Free Edition.
> > > Version: 7.1.409 / Virus Database: 268.14.3/531 - Release Date:
> 12/11/2006
> > >
> > >
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
>
>
> --
> Puneet Kishor http://punkish.eidesis.org/
> Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
> Open Source Geospatial Foundation https://edu.osgeo.org/
> ------------------------------------------------------------------------
> -------------------------------
> collaborate, communicate, compete
> ====================================================
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Puneet Kishor http://punkish.eidesis.org/
Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
Open Source Geospatial Foundation https://edu.osgeo.org/
-------------------------------------------------------------------------------------------------------
collaborate, communicate, compete
====================================================
From bclay at ball.com Mon Nov 13 06:10:44 2006
From: bclay at ball.com (Clay, Bruce)
Date: Mon, 13 Nov 2006 09:10:44 -0500
Subject: [postgis-users] NAVTEQ Data?
Message-ID: <C482FF98AE985A47B8C982FD429C9E34FEF977@daytonmsg2k3.AERO.BALL.COM>
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Rapha?l Jacquot
Sent: Saturday, November 11, 2006 2:48 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] NAVTEQ Data?
adam at spatialsystems.org wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger files. I
> also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
we have free data in the making available at
http://planet.openstreetmap.org
for more information
http://wiki.openstreetmap.org
besides, if you found the docs to the navteq format on the web, it
clearly says that you can't legally use this documentation to create a
parser / decoder for that format.
> Thanks,
> Adam
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From bclay at ball.com Mon Nov 13 06:12:44 2006
From: bclay at ball.com (Clay, Bruce)
Date: Mon, 13 Nov 2006 09:12:44 -0500
Subject: [postgis-users] NAVTEQ Data?
Message-ID: <C482FF98AE985A47B8C982FD429C9E34FEF978@daytonmsg2k3.AERO.BALL.COM>
The current OpenStreetMap file expands to 4 GB. Does anyone know of a PostGis or GDAL based parser to read / convert these files?
Bruce
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Rapha?l Jacquot
Sent: Saturday, November 11, 2006 2:48 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] NAVTEQ Data?
adam at spatialsystems.org wrote:
> I've seen some NAVTEQ data in cars and I like it, better than Tiger files. I
> also heard it has road speeds in it.
>
> Has anyone loaded NAVTEQ data into a PostGIS server, is it possible?
we have free data in the making available at
http://planet.openstreetmap.org
for more information
http://wiki.openstreetmap.org
besides, if you found the docs to the navteq format on the web, it
clearly says that you can't legally use this documentation to create a
parser / decoder for that format.
> Thanks,
> Adam
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From sxpert at sxpert.org Mon Nov 13 06:29:04 2006
From: sxpert at sxpert.org (raphael Jacquot)
Date: Mon, 13 Nov 2006 15:29:04 +0100
Subject: [postgis-users] NAVTEQ Data?
In-Reply-To: <C482FF98AE985A47B8C982FD429C9E34FEF978@daytonmsg2k3.AERO.BALL.COM>
References: <C482FF98AE985A47B8C982FD429C9E34FEF978@daytonmsg2k3.AERO.BALL.COM>
Message-ID: <45588130.2050703@sxpert.org>
Clay, Bruce wrote:
> The current OpenStreetMap file expands to 4 GB. Does anyone know of a PostGis or GDAL based parser to read / convert these files?
>
> Bruce
I'm currently putting the final touches on one, should take about an
extra week of work (I'm doing this in my spare time)
I won't really be postgis though, but postgres 8.1.x using the geometric
extentions...
feel free to change it to use postgis :D
From orsolarte at gmail.com Mon Nov 13 06:59:58 2006
From: orsolarte at gmail.com (Orlando Giovanny Solarte Delgado)
Date: Mon, 13 Nov 2006 09:59:58 -0500
Subject: [postgis-users] When I use an EXPRESSION in my map file using FIELD
STRING, the condition never returns as true,
even though I know the values exist in my table.
Message-ID: <684843e00611130659l45a40e81ufbfb6e6b1d3aa14c@mail.gmail.com>
Hi.
When I use an EXPRESSION in my map file using FIELD STRING, the condition
never returns as true, even though I know the values exist in my
table.<http://postgis.refractions.net/docs/ch04.html#id2525201>
I am doing something like:
<http://postgis.refractions.net/docs/ch04.html#id2525201>
CLASSITEM "cod_carto"
CLASS...
EXPRESSION "vts"
...
END
CLASS..
EXPRESSION "VTS"
END
I am using both lower an upper case, I know VTS value exist in my table
postgis, but never returns as true.
Somebody can help me?
--
Atentamente,
Orlando Giovanny Solarte Delgado
Ing. Desarrollador SIG
Emprendedor BioSIG
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From orsolarte at gmail.com Mon Nov 13 07:31:52 2006
From: orsolarte at gmail.com (Orlando Giovanny Solarte Delgado)
Date: Mon, 13 Nov 2006 10:31:52 -0500
Subject: [postgis-users] postgis bool::text and mapserver
Message-ID: <684843e00611130731h617eff36q40a64b2108ad4222@mail.gmail.com>
Hi. I have same problem...
Hi.
When I use an EXPRESSION in my map file using FIELD STRING, the condition
never returns as true, even though I know the values exist in my
table.<http://postgis.refractions.net/docs/ch04.html#id2525201>
I am doing something like:
CLASSITEM "cod_carto"
CLASS...
EXPRESSION "vts"
...
END
CLASS..
EXPRESSION "VTS"
END
I am using both lower an upper case, I know VTS value exist in my table
postgis, but never returns as true.
No I try:
CLASSITEM "cod_carto"
CLASS...
EXPRESSION ('[cod_carto]' = 'vts')
...
END
CLASS..
EXPRESSION ('[cod_carto]' = 'vts')
END
But Not function!!
Somebody can help me?
--
Atentamente,
Orlando Giovanny Solarte Delgado
Ing. Desarrollador SIG
Emprendedor BioSIG
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From lanczos at t-zones.sk Mon Nov 13 10:12:41 2006
From: lanczos at t-zones.sk (Tomas Lanczos)
Date: Mon, 13 Nov 2006 19:12:41 +0100
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
Message-ID: <001701c7074f$538a93b0$975dfe0a@tomas>
Hello,
I am using Postgtresql 8.1.1 installed under WinXP. When I installed it, I
installed also the Postgis (I don't know which version) from the
installation package, just for sure, never really used :-).
Later I decided to upgrade it to version 1.1.6, using the
"postgis-pg81-setup-1.1.6-1" installation package downloaded from
http://postgis.refractions.net/download/windows/ , as I am planning to use
it with grass 6.3 and qgis (compiled from source under Ubuntu 6.0.6 in
VMWare, approaching Postgresql/postgis as on remote machine - however,
planning to switch to Linux completely as I need and use more OSS and Linux
stuff as Win stuff ad the moment :-)).
So, I recognized the following strange behaviour of the installer during the
installation procedure:
- arrived to the "Loading of Postgis functions ..." then stopped and an
errormessage appeared that the template_postgis database creation did not
succeed. The create_tempaltepostgis_sql_error.txt error log was clear that
the problem was in running the lwpostgis.sql and the spatial_ref_sys.sql
- I tried to run the lwpostgis.sql manually, I succeed after manual removal
of all the tables and types as well as the cast from type bool to type text.
- the spatial_ref_sys.sql ran without problems now.
It appears to me that it looks like as the template_postgis database was
created twice during the installation procedure and it was no need to run
those queries manually, am I right? My next question is that whether is the
installation finished now and will the stuff work fine?
Best regards
Tomas
From tzuberbuehler at datacomm.ch Mon Nov 13 10:52:37 2006
From: tzuberbuehler at datacomm.ch (Thomas Zuberbuehler)
Date: Mon, 13 Nov 2006 19:52:37 +0100
Subject: [postgis-users] load more than one shape files to one table?
Message-ID: <e545098a0611131052i5f99ece9gf8d8b501e412c5fe@mail.gmail.com>
hello
i have more than 150 shape files with routes (every one contains one
route). can i load this files to postgis and *only* one table which
contains all routes? there could be a problem: a shape file contains
more than one multilines.
shapefile type: arc
postgis type: multilinestring[2]
someone has an idea?
thank you.
regards, thomas
--
Thomas Zuberbuehler
http://www.zubi.li
From woodbri at swoodbridge.com Mon Nov 13 11:00:39 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Mon, 13 Nov 2006 14:00:39 -0500
Subject: [postgis-users] load more than one shape files to one table?
In-Reply-To: <e545098a0611131052i5f99ece9gf8d8b501e412c5fe@mail.gmail.com>
References: <e545098a0611131052i5f99ece9gf8d8b501e412c5fe@mail.gmail.com>
Message-ID: <4558C0D7.9050408@swoodbridge.com>
Thomas Zuberbuehler wrote:
> hello
>
> i have more than 150 shape files with routes (every one contains one
> route). can i load this files to postgis and *only* one table which
> contains all routes? there could be a problem: a shape file contains
> more than one multilines.
>
> shapefile type: arc
> postgis type: multilinestring[2]
>
> someone has an idea?
shp2pgsql has an option to create just the table.
To run it once to create the table, then run it 150 times for your
shapefiles but don't have it do the table create.
-Steve
From jgw at alpinegeophysics.com Mon Nov 13 11:03:53 2006
From: jgw at alpinegeophysics.com (James G Wilkinson)
Date: Mon, 13 Nov 2006 11:03:53 -0800
Subject: [postgis-users] Closing a LINESTRING
In-Reply-To: <20061113080517.GB33640@keybit.net>
References: <4556197E.5060806@alpinegeophysics.com> <20061111213224.GA9192@keybit.net> <45579854.3050708@alpinegeophysics.com>
<20061113080517.GB33640@keybit.net>
Message-ID: <4558C199.1070702@alpinegeophysics.com>
strk,
>>Thanks for the pointer to linemerge(), but I am still not sure how to
>>insert an additional
>>linestring into the existing geometrycollection. Maybe this a "duh,"
>>but I have not
>>figured out how to inert a line segment into the existing geometry.
>>
>>
>
>see collect() ?
>
>
Whoops....it was a "duh." I did not correctly think through this
issue. Sorry to be a bother.
Regards,
Jim
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From tzuberbuehler at datacomm.ch Mon Nov 13 11:14:26 2006
From: tzuberbuehler at datacomm.ch (Thomas Zuberbuehler)
Date: Mon, 13 Nov 2006 20:14:26 +0100
Subject: [postgis-users] load more than one shape files to one table?
In-Reply-To: <4558C0D7.9050408@swoodbridge.com>
References: <e545098a0611131052i5f99ece9gf8d8b501e412c5fe@mail.gmail.com>
<4558C0D7.9050408@swoodbridge.com>
Message-ID: <e545098a0611131114n2925a71w60649f25a39c01cd@mail.gmail.com>
steve,
thank you. but i think my problem exists further. a route consists
more than one segment. this segments form a route. if i load a route
with shp2pgsql, as you suggest, i am going in disorder, not? then i
can't differentiate the route, can i?
thank you.
thomas
2006/11/13, Stephen Woodbridge <woodbri at swoodbridge.com>:
> Thomas Zuberbuehler wrote:
> > hello
> >
> > i have more than 150 shape files with routes (every one contains one
> > route). can i load this files to postgis and *only* one table which
> > contains all routes? there could be a problem: a shape file contains
> > more than one multilines.
> >
> > shapefile type: arc
> > postgis type: multilinestring[2]
> >
> > someone has an idea?
>
> shp2pgsql has an option to create just the table.
>
> To run it once to create the table, then run it 150 times for your
> shapefiles but don't have it do the table create.
>
> -Steve
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Thomas Zuberbuehler
http://www.zubi.li
From robert.coup at onetrackmind.co.nz Mon Nov 13 12:11:43 2006
From: robert.coup at onetrackmind.co.nz (Robert Coup)
Date: Tue, 14 Nov 2006 09:11:43 +1300
Subject: [postgis-users] postgis bool::text and mapserver
In-Reply-To: <684843e00611130731h617eff36q40a64b2108ad4222@mail.gmail.com>
References: <684843e00611130731h617eff36q40a64b2108ad4222@mail.gmail.com>
Message-ID: <4558D17F.4000902@onetrackmind.co.nz>
Orlando Giovanny Solarte Delgado wrote:
> When I use an EXPRESSION in my map file using FIELD STRING, the
> condition never returns as true, even though I know the values exist
> in my table. <http://postgis.refractions.net/docs/ch04.html#id2525201>
>
> ...
>
> I am using both lower an upper case, I know VTS value exist in my
> table postgis, but never returns as true.
Try checking that whitespace hasn't been added to the end of your string
- the char_length() function can help you here. Also trim() will fix it
for you. I had several million rows of attributes imported from MapInfo
TAB format with these issues.
Rob :)
From woodbri at swoodbridge.com Mon Nov 13 12:33:29 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Mon, 13 Nov 2006 15:33:29 -0500
Subject: [postgis-users] load more than one shape files to one table?
In-Reply-To: <e545098a0611131114n2925a71w60649f25a39c01cd@mail.gmail.com>
References: <e545098a0611131052i5f99ece9gf8d8b501e412c5fe@mail.gmail.com> <4558C0D7.9050408@swoodbridge.com>
<e545098a0611131114n2925a71w60649f25a39c01cd@mail.gmail.com>
Message-ID: <4558D699.4040205@swoodbridge.com>
Then I think you will probably need to write a perl script or whatever
to that will load you data and appropriately add a unique id to each
files' data and add sequence numbers to the rows if you need to maintain
order. Or have it load the data as a collection of multilines. I think
the answer will have more to do with what you need to do with the data
once you have it loaded.
-Steve
Thomas Zuberbuehler wrote:
> steve,
>
> thank you. but i think my problem exists further. a route consists
> more than one segment. this segments form a route. if i load a route
> with shp2pgsql, as you suggest, i am going in disorder, not? then i
> can't differentiate the route, can i?
>
> thank you.
> thomas
>
> 2006/11/13, Stephen Woodbridge <woodbri at swoodbridge.com>:
>> Thomas Zuberbuehler wrote:
>> > hello
>> >
>> > i have more than 150 shape files with routes (every one contains one
>> > route). can i load this files to postgis and *only* one table which
>> > contains all routes? there could be a problem: a shape file contains
>> > more than one multilines.
>> >
>> > shapefile type: arc
>> > postgis type: multilinestring[2]
>> >
>> > someone has an idea?
>>
>> shp2pgsql has an option to create just the table.
>>
>> To run it once to create the table, then run it 150 times for your
>> shapefiles but don't have it do the table create.
>>
>> -Steve
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>
>
From eprand at earthlink.net Mon Nov 13 15:21:21 2006
From: eprand at earthlink.net (Eric Randall)
Date: Mon, 13 Nov 2006 18:21:21 -0500
Subject: [postgis-users] load more than one shape files to one table?
Message-ID: <4558FDF1.9070700@earthlink.net>
Unless I misunderstand (which happens all the time).
Use shp2pgsql to load the 150 routes to tables (with script).
Create a new table into which to insert the route tables
with a field(s) to keep the original route/segment identity.
Something like:
select dropgeometrycolumn('','allroutes','geom');
drop table allroutes;
begin;
create table allroutes (gid serial primary key,
route_gid int4,
segment_id int4,
other_fields );
select addgeometrycolumn('','allroutes','geom','srid','multilinestring',2);
insert into allroutes (route_gid,segment_id,other_fields,geom) select
route_gid,segment_id,other_fields,geom from route1;
insert into allroutes (route_gid,segment_id,other_fields,geom) select
route_gid,segment_id,other_fields,geom from route2;
...
...
insert into allroutes (route_gid,segment_id,other_fields,geom) select
route_gid,segment_id,other_fields,geom from route150;
end;
-Eric
From robert.coup at onetrackmind.co.nz Mon Nov 13 15:56:42 2006
From: robert.coup at onetrackmind.co.nz (Robert Coup)
Date: Tue, 14 Nov 2006 12:56:42 +1300
Subject: [postgis-users] load more than one shape files to one table?
In-Reply-To: <4558FDF1.9070700@earthlink.net>
References: <4558FDF1.9070700@earthlink.net>
Message-ID: <4559063A.1040005@onetrackmind.co.nz>
Eric Randall wrote:
> Unless I misunderstand (which happens all the time).
> Use shp2pgsql to load the 150 routes to tables (with script).
> Create a new table into which to insert the route tables
> with a field(s) to keep the original route/segment identity.
Another (potentially easy idea) might be to:
* create the pg table with a bonus field with a default value of 1
* load 1st shapefile using shp2pgsql
* update table so bonus field has default of 2 (psql..)
* load 2nd shapefile using shp2pgsql
* ...
then combine geometries based on your bonus field.
Rob :)
From Hendra at lskk.ee.itb.ac.id Mon Nov 13 18:16:18 2006
From: Hendra at lskk.ee.itb.ac.id (Hendra Yana)
Date: Tue, 14 Nov 2006 09:16:18 +0700
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
Message-ID: <WorldClient-F200611140916.AA16180165@lskk.ee.itb.ac.id>
Thanks for the reply man....
Here is the sample cut of my MS-Access Database with the shape data field
http://lskk.ee.itb.ac.id/Hendra/downloads/Disbun.rar
My questions are:
1. Where is field of the_geom field in postgresql?
2. How to export this MS-Access to postgresql that support postgis?
3. I try to export one field in MS-Access to csv format but the OLE Object
Data type doesn't export well (empty), why?
Table PROPINSI :
Field Name Type Size
OBJECTID_1 AutoNumber 0
Shape OLE Object 0
OBJECTID Long Integer 0
PROPINSI Text 32
Shape_Leng Float 0
Shape_Length Float 0
Shape_Area Float 0
Here is the export result in cvs :
"OBJECTID_1";"Shape";"OBJECTID";"PROPINSI";"Shape_Leng";"Shape_Length";"Shape_Area"
1;;2;"BANTEN";875615,85;874385,54;9342601200,25
2;;3;"DKI JAKARTA";263503,93;264679,62;672163800,44
3;;4;"JAWA TENGAH";1503623,10;1518265,46;37669858041,39
4;;1;"JAWA BARAT";236102,42;1318954,20;36963824115,52
Again thanks for the reply...
Me Henks
http://lskk.ee.itb.ac.id/Hendra
From punkish at eidesis.org Mon Nov 13 18:28:38 2006
From: punkish at eidesis.org (P Kishor)
Date: Mon, 13 Nov 2006 20:28:38 -0600
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
In-Reply-To: <WorldClient-F200611140916.AA16180165@lskk.ee.itb.ac.id>
References: <WorldClient-F200611140916.AA16180165@lskk.ee.itb.ac.id>
Message-ID: <cdf6db500611131828q31f9195aq9cf41ee94e3a166d@mail.gmail.com>
I thought we went over this...
On 11/13/06, Hendra Yana <Hendra at lskk.ee.itb.ac.id> wrote:
> Thanks for the reply man....
>
> Here is the sample cut of my MS-Access Database with the shape data field
> http://lskk.ee.itb.ac.id/Hendra/downloads/Disbun.rar
>
>
> My questions are:
>
> 1. Where is field of the_geom field in postgresql?
>
> 2. How to export this MS-Access to postgresql that support postgis?
try one of the translators such as ogr2ogr (as mentioned, IIRC, in
another email).
>
> 3. I try to export one field in MS-Access to csv format but the OLE Object
> Data type doesn't export well (empty), why?
think about it -- how do you think a binary piece of information can
be represented in pure text? Is it possible? No, it is not possible.
..
--
Puneet Kishor http://punkish.eidesis.org/
Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
Open Source Geospatial Foundation https://edu.osgeo.org/
-------------------------------------------------------------------------------------------------------
collaborate, communicate, compete
====================================================
From pramsey at refractions.net Mon Nov 13 19:11:16 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Mon, 13 Nov 2006 19:11:16 -0800
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
In-Reply-To: <cdf6db500611131828q31f9195aq9cf41ee94e3a166d@mail.gmail.com>
References: <WorldClient-F200611140916.AA16180165@lskk.ee.itb.ac.id>
<cdf6db500611131828q31f9195aq9cf41ee94e3a166d@mail.gmail.com>
Message-ID: <E72F985B-8DEC-4497-B1CB-A3A7CDF6C9F0@refractions.net>
This is not just any old "Access Database", it is an ESRI
"geodatabase" so you will need special tools to read out of it and
into PostGIS, a simple ODBC copy is not going to do it. Try ogr2ogr
from FWTools.
P
On 13-Nov-06, at 6:28 PM, P Kishor wrote:
> I thought we went over this...
>
> On 11/13/06, Hendra Yana <Hendra at lskk.ee.itb.ac.id> wrote:
>> Thanks for the reply man....
>>
>> Here is the sample cut of my MS-Access Database with the shape
>> data field
>> http://lskk.ee.itb.ac.id/Hendra/downloads/Disbun.rar
>>
>>
>> My questions are:
>>
>> 1. Where is field of the_geom field in postgresql?
>>
>> 2. How to export this MS-Access to postgresql that support postgis?
>
> try one of the translators such as ogr2ogr (as mentioned, IIRC, in
> another email).
>
>>
>> 3. I try to export one field in MS-Access to csv format but the
>> OLE Object
>> Data type doesn't export well (empty), why?
>
> think about it -- how do you think a binary piece of information can
> be represented in pure text? Is it possible? No, it is not possible.
>
> ..
>
>
> --
> Puneet Kishor http://punkish.eidesis.org/
> Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
> Open Source Geospatial Foundation https://edu.osgeo.org/
> ----------------------------------------------------------------------
> ---------------------------------
> collaborate, communicate, compete
> ====================================================
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From jdaly at panix.com Mon Nov 13 20:22:14 2006
From: jdaly at panix.com (John Daly)
Date: Mon, 13 Nov 2006 23:22:14 -0500
Subject: [postgis-users] Problem building postgis
Message-ID: <000b01c707a4$764bd260$6401a8c0@GUITAR>
All,
I'm a new list subscriber and I'd like to say hello to all, and also, of
course, introduce my first problem using postgis. I'm trying to build
postgis on Redhat 9, with Postgres version 8.1.5 and postgis ver 1.1.6.
I'm getting the build errors shown below:
lwgeom_gist.c:547:1: directives may not be used inside a macro argument
lwgeom_gist.c:546:56: unterminated argument list invoking macro
"gistentryinit"
lwgeom_gist.c: In function `LWGEOM_gist_compress':
lwgeom_gist.c:550: `gistentryinit' undeclared (first use in this function)
lwgeom_gist.c:550: (Each undeclared identifier is reported only once
lwgeom_gist.c:550: for each function it appears in.)
lwgeom_gist.c:550: parse error before "entry"
lwgeom_gist.c:561:1: directives may not be used inside a macro argument
lwgeom_gist.c:560:69: unterminated argument list invoking macro
"gistentryinit"
lwgeom_gist.c:564: parse error before "entry"
gmake[1]: *** [lwgeom_gist.o] Error 1
Should I try another version of postgis? Has anyone run up against this?
Thanks,
JD
From pramsey at refractions.net Mon Nov 13 22:04:29 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Mon, 13 Nov 2006 22:04:29 -0800
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
ofpostgresql
In-Reply-To: <C482FF98AE985A47B8C982FD429C9E34FEF976@daytonmsg2k3.AERO.BALL.COM>
References: <C482FF98AE985A47B8C982FD429C9E34FEF976@daytonmsg2k3.AERO.BALL.COM>
Message-ID: <C5EF97E5-E33A-446E-9015-094FA81C3BC5@refractions.net>
My understanding it that it is just a Shape record, but if it's not,
it is probably nothing more complex than a differenced version of the
same thing. (using the first coordinate, create all the rest of the
coordinates as offsets from the first). In any event, the answer is
available in OGR, since Frank has already figured out the details and
provides read support for geodatabase on platforms that support ODBC.
P
On 13-Nov-06, at 5:34 AM, Clay, Bruce wrote:
> Does anyone have the data format for the blob?
>
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of P
> Kishor
> Sent: Monday, November 13, 2006 7:43 AM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] HELP! Ms-Access shape data to the_geom
> ofpostgresql
>
> coordinate data in Access (equivalent to the geom in PostGIS) is
> stored as a blob.
>
> On 11/13/06, Marc Angelo <computrain at paradise.net.nz> wrote:
>> I can't give you a full answer but I can tell you why (I think) the
> "data
>> conversion" is failing (somebody please correct me if I am wrong). I
> think
>> you will find that the co-ordinate data in Access is a "double" or
> "single"
>> data type as Access does not have a "geometry" data type like in
> Postgres.
>> When you use the PostGres ODBC connector you are just transferring
>> the
> data
>> from one database to another so Postgres is just placing the data in
> the
>> fields in the nearest data type that is equivalant to the Acces data
> type.
>>
>> If the data needs only to be transferred once (not on a regular
>> basis)
> from
>> Access you could import the data by writing a small routine in C+
>> +.Net
> or
>> VB.Net. I wrote a small app a while ago that imported geometry data
> into
>> Postgres.
>> I connected to PostGres using NPGSQL data connector. All my data was
> in csv
>> fomat inside a text file. The routine opened the csv file and then
> imported
>> each record into Postgres by using an SQL insert statement combined
> with the
>> GeometryFromText() function which converts text coordinates into a
> geometry
>> data type in Postgres.
>> Having said that I am not competent with SQL so I suspect that you
> could
>> write an SQL statement within Postgres to import and convert data
>> that
>> resides in a csv file.....this would mean exporting your data from
> Access
>> into a .txt or csv file.
>>
>> Hope this gives you at least some help.
>>
>> Cheers
>> Marc
>>
>>
>> ----- Original Message -----
>> From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
>> To: <postgis-users at postgis.refractions.net>
>> Sent: Monday, November 13, 2006 9:00 PM
>> Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
>> postgresql
>>
>>
>>> Help....
>>>
>>> I've been trying to convert database from Ms-Access shape data to
> the_geom
>>> for postgresql.
>>>
>>> I try to export from MS-Access to postgresql with PGSQL-ODBC
> connection,
>>> but the result in postgresql still not result as the_geom field but
> still
>>> the shape data in fields.
>>>
>>> Can anyone tell me how to Convert database from Ms-Access shape data
> to
>>> the_geom for postgresql???
>>>
>>> thanks for reply....
>>>
>>>
>>> _______________________________________________
>>> postgis-users mailing list
>>> postgis-users at postgis.refractions.net
>>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>
>>>
>>>
>>> --
>>> No virus found in this incoming message.
>>> Checked by AVG Free Edition.
>>> Version: 7.1.409 / Virus Database: 268.14.3/531 - Release Date:
> 12/11/2006
>>>
>>>
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>
>
> --
> Puneet Kishor http://punkish.eidesis.org/
> Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
> Open Source Geospatial Foundation https://edu.osgeo.org/
> ----------------------------------------------------------------------
> --
> -------------------------------
> collaborate, communicate, compete
> ====================================================
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From Hendra at lskk.ee.itb.ac.id Mon Nov 13 22:57:21 2006
From: Hendra at lskk.ee.itb.ac.id (Hendra Yana)
Date: Tue, 14 Nov 2006 13:57:21 +0700
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
Message-ID: <WorldClient-F200611141357.AA57210167@lskk.ee.itb.ac.id>
well can u give me a cut sampling for converting MS-Access Shape data
to shp file, through the ODBC?
I just download the FWTools and I'm confused how to convert this database.
I'm planing to migration from MS-Access to Postgresql..
Can u help me....
My sample database is here
http://lskk.ee.itb.ac.id/Hendra/downloads/Disbun.rar (Ms-Access ver 2003)
Thanks in advance...
From luca.casagrande at gmail.com Tue Nov 14 01:14:41 2006
From: luca.casagrande at gmail.com (Luca Casagrande)
Date: Tue, 14 Nov 2006 10:14:41 +0100
Subject: [postgis-users] Php interface for loading shp file into postgis
Message-ID: <20061114101441.3645328b@gekomachine.casa>
Hi to all!
I am trying to found a good way to approach this issue:
i need to build a php interface that will do those tasks:
1) Load a shp file selected by the user;
2) Check if the file has got a prj file associated with it and if not
let the user insert the PROJ code for the current file;
3) Use proj to convert the file to the needed projection;
4) Store the file inside POSTGIS
The main thing i am thinking about, is when do the projection swap:
is it better to do BEFORE importing the data in POSTGIS or do just after the data has
been inserted inside Postgis?
Any feedback would be nice
Thank you very much
Luca
--
Help QGIS development! Make a donation right now at http://xrl.us/supportqgis
LINUX User #411601
GENTOO-GIS Development Team
jabber: casagrande at jabber.linux.it
From mark.cave-ayland at ilande.co.uk Tue Nov 14 01:21:51 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Tue, 14 Nov 2006 09:21:51 -0000 (UTC)
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <001701c7074f$538a93b0$975dfe0a@tomas>
References: <001701c7074f$538a93b0$975dfe0a@tomas>
Message-ID: <40082.217.207.197.142.1163496111.squirrel@www.ilande.co.uk>
> Hello,
>
> I am using Postgtresql 8.1.1 installed under WinXP. When I installed it, I
> installed also the Postgis (I don't know which version) from the
> installation package, just for sure, never really used :-).
> Later I decided to upgrade it to version 1.1.6, using the
> "postgis-pg81-setup-1.1.6-1" installation package downloaded from
> http://postgis.refractions.net/download/windows/ , as I am planning to use
> it with grass 6.3 and qgis (compiled from source under Ubuntu 6.0.6 in
> VMWare, approaching Postgresql/postgis as on remote machine - however,
> planning to switch to Linux completely as I need and use more OSS and
> Linux
> stuff as Win stuff ad the moment :-)).
>
> So, I recognized the following strange behaviour of the installer during
> the
> installation procedure:
> - arrived to the "Loading of Postgis functions ..." then stopped and an
> errormessage appeared that the template_postgis database creation did not
> succeed. The create_tempaltepostgis_sql_error.txt error log was clear that
> the problem was in running the lwpostgis.sql and the spatial_ref_sys.sql
>
> - I tried to run the lwpostgis.sql manually, I succeed after manual
> removal
> of all the tables and types as well as the cast from type bool to type
> text.
>
>
> - the spatial_ref_sys.sql ran without problems now.
>
> It appears to me that it looks like as the template_postgis database was
> created twice during the installation procedure and it was no need to run
> those queries manually, am I right? My next question is that whether is
> the
> installation finished now and will the stuff work fine?
>
> Best regards
>
> Tomas
Hi Tomas,
It sounds as if you didn't remove the version of PostGIS supplied by the
PostgreSQL 8.1 installer before running the standalone installer from the
Refractions website (this is mentioned at the top of the Windows download
page in the section marked "Important"), but it's difficult to tell
without the error log.
For peace of mind, it may be worth uninstalling PostGIS from the
PostgreSQL installer and the 1.1.6 installer, and then reinstalling just
the 1.1.6 installer (you will get a warning about the template database
already existing but it should be safe to ignore it).
Kind regards,
Mark.
From lanczos at t-zones.sk Tue Nov 14 01:34:56 2006
From: lanczos at t-zones.sk (Tomas Lanczos)
Date: Tue, 14 Nov 2006 10:34:56 +0100
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <40082.217.207.197.142.1163496111.squirrel@www.ilande.co.uk>
Message-ID: <004301c707d0$278220e0$975dfe0a@tomas>
Hi Mark,
thanks for Your answer
> Hi Tomas,
>
> It sounds as if you didn't remove the version of PostGIS
> supplied by the PostgreSQL 8.1 installer before running the
> standalone installer from the Refractions website (this is
> mentioned at the top of the Windows download page in the
> section marked "Important"), but it's difficult to tell
> without the error log.
Yes of course, it was the first I did!
> For peace of mind, it may be worth uninstalling PostGIS from
> the PostgreSQL installer and the 1.1.6 installer, and then
> reinstalling just the 1.1.6 installer (you will get a warning
> about the template database already existing but it should be
> safe to ignore it).
I did it before I wrote this mail, at least twice. At the moment, when I run
the Postgresql installer it shows that the Postgis is not installed. How can
I check what version of Postgis I have?
Thanks
Tomas
> Kind regards,
>
> Mark.
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From jan.syryn at trasys.be Tue Nov 14 01:58:21 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Tue, 14 Nov 2006 10:58:21 +0100
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <004301c707d0$278220e0$975dfe0a@tomas>
Message-ID: <016b01c707d3$6b0daa20$0601a8c0@ariane.tractebel.be>
I had the same problem.
I wanted to upgrade the Postgis install on WinXP.
So I removed the postgis installation out of postgressql by the postgres
installer.
And indeed when re-installing postgis it generates errors.
(Eventhough the postgres installer shows postgis is not installed (anymore))
The only thing I could do (without loosing too much time over this) is
unstalling postgres, reinstall it without postgis and do the postgis install
separately.
HIH, Jan
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Tomas
Lanczos
Sent: mardi 14 novembre 2006 10:35
To: 'PostGIS Users Discussion'
Subject: RE: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
Hi Mark,
thanks for Your answer
> Hi Tomas,
>
> It sounds as if you didn't remove the version of PostGIS supplied by
> the PostgreSQL 8.1 installer before running the standalone installer
> from the Refractions website (this is mentioned at the top of the
> Windows download page in the section marked "Important"), but it's
> difficult to tell without the error log.
Yes of course, it was the first I did!
> For peace of mind, it may be worth uninstalling PostGIS from the
> PostgreSQL installer and the 1.1.6 installer, and then reinstalling
> just the 1.1.6 installer (you will get a warning about the template
> database already existing but it should be safe to ignore it).
I did it before I wrote this mail, at least twice. At the moment, when I run
the Postgresql installer it shows that the Postgis is not installed. How can
I check what version of Postgis I have?
Thanks
Tomas
> Kind regards,
>
> Mark.
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From mark.cave-ayland at ilande.co.uk Tue Nov 14 02:11:35 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Tue, 14 Nov 2006 10:11:35 -0000 (UTC)
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <004301c707d0$278220e0$975dfe0a@tomas>
References: <004301c707d0$278220e0$975dfe0a@tomas>
Message-ID: <37275.217.207.197.142.1163499095.squirrel@www.ilande.co.uk>
>> For peace of mind, it may be worth uninstalling PostGIS from
>> the PostgreSQL installer and the 1.1.6 installer, and then
>> reinstalling just the 1.1.6 installer (you will get a warning
>> about the template database already existing but it should be
>> safe to ignore it).
>
> I did it before I wrote this mail, at least twice. At the moment, when I
> run
> the Postgresql installer it shows that the Postgis is not installed. How
> can
> I check what version of Postgis I have?
>
> Thanks
>
> Tomas
Hi Tomas,
The easiest way to determine the current version is to issue a simple
SELECT postgis_full_version() in psql or pgAdmin.
Kind regards,
Mark.
From mark.cave-ayland at ilande.co.uk Tue Nov 14 02:13:02 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Tue, 14 Nov 2006 10:13:02 -0000 (UTC)
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <016b01c707d3$6b0daa20$0601a8c0@ariane.tractebel.be>
References: <016b01c707d3$6b0daa20$0601a8c0@ariane.tractebel.be>
Message-ID: <37279.217.207.197.142.1163499182.squirrel@www.ilande.co.uk>
> I had the same problem.
> I wanted to upgrade the Postgis install on WinXP.
> So I removed the postgis installation out of postgressql by the postgres
> installer.
> And indeed when re-installing postgis it generates errors.
> (Eventhough the postgres installer shows postgis is not installed
> (anymore))
>
> The only thing I could do (without loosing too much time over this) is
> unstalling postgres, reinstall it without postgis and do the postgis
> install
> separately.
>
> HIH, Jan
Hi Jan,
Thanks for your message - it does sound as if something is not working as
it should. If either you or Tomas can send me a copy of the log file
containing the errors offlist, I would be happy to take a look at it.
Kind regards,
Mark.
From lanczos at t-zones.sk Tue Nov 14 02:21:28 2006
From: lanczos at t-zones.sk (Tomas Lanczos)
Date: Tue, 14 Nov 2006 11:21:28 +0100
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <37275.217.207.197.142.1163499095.squirrel@www.ilande.co.uk>
Message-ID: <005801c707d6$a5b6b9c0$975dfe0a@tomas>
> [mailto:postgis-users-bounces at postgis.refractions.net] On
>
>
>
> Hi Tomas,
>
> The easiest way to determine the current version is to issue
> a simple SELECT postgis_full_version() in psql or pgAdmin.
"POSTGIS="1.1.6" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0, 22 Oct 2006"
USE_STATS DBPROC="0.3.0" RELPROC="1.1.6" (needs proc upgrade)"
It looks that the installation procedure succeed anyway, no need to
reinstall the whole stuff (even I will do it, later or soon ...)
Many thanks to everybody who helped.
Regards
Tomas
> Kind regards,
>
> Mark.
From tzuberbuehler at datacomm.ch Tue Nov 14 02:37:50 2006
From: tzuberbuehler at datacomm.ch (Thomas Zuberbuehler)
Date: Tue, 14 Nov 2006 11:37:50 +0100
Subject: [postgis-users] load more than one shape files to one table?
In-Reply-To: <4559063A.1040005@onetrackmind.co.nz>
References: <4558FDF1.9070700@earthlink.net>
<4559063A.1040005@onetrackmind.co.nz>
Message-ID: <e545098a0611140237t6e6e05e5lcff0530fa40ac61a@mail.gmail.com>
Rob,
You're great. I will made it with an additional field. And I think you
give me a solution idea how I can use only one table but with no
convertion. So I will use a WFS server and there I can limit a result
with a filter (the additional field).
Thank you. Thanks goes also Eric, Steve and Ville for their answers!
Regards,
Thomas
2006/11/14, Robert Coup <robert.coup at onetrackmind.co.nz>:
> Eric Randall wrote:
> > Unless I misunderstand (which happens all the time).
> > Use shp2pgsql to load the 150 routes to tables (with script).
> > Create a new table into which to insert the route tables
> > with a field(s) to keep the original route/segment identity.
> Another (potentially easy idea) might be to:
>
> * create the pg table with a bonus field with a default value of 1
> * load 1st shapefile using shp2pgsql
> * update table so bonus field has default of 2 (psql..)
> * load 2nd shapefile using shp2pgsql
> * ...
>
> then combine geometries based on your bonus field.
>
> Rob :)
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Thomas Zuberbuehler
http://www.zubi.li
From strk at refractions.net Tue Nov 14 03:22:22 2006
From: strk at refractions.net (strk at refractions.net)
Date: Tue, 14 Nov 2006 12:22:22 +0100
Subject: [postgis-users] Php interface for loading shp file into postgis
In-Reply-To: <20061114101441.3645328b@gekomachine.casa>
References: <20061114101441.3645328b@gekomachine.casa>
Message-ID: <20061114112222.GG59852@keybit.net>
On Tue, Nov 14, 2006 at 10:14:41AM +0100, Luca Casagrande wrote:
> Hi to all!
>
> I am trying to found a good way to approach this issue:
>
> i need to build a php interface that will do those tasks:
> 1) Load a shp file selected by the user;
> 2) Check if the file has got a prj file associated with it and if not
> let the user insert the PROJ code for the current file;
> 3) Use proj to convert the file to the needed projection;
> 4) Store the file inside POSTGIS
>
> The main thing i am thinking about, is when do the projection swap:
> is it better to do BEFORE importing the data in POSTGIS or do just after the data has
> been inserted inside Postgis?
There's currently no trigger checking for SRID existance added
to the geometry column, so you can add the spatial_ref_sys
entry at an arbitrary time.
Anyway, the .prj => spatial_ref_sys record conversion seems
a useful enough function to have embedded in shp2pgsql (and
the reverse in pgsql2shp) so if you intend to implement such
a feature I think it would be nice to have it implemented
in C :)
--strk;
From mark.cave-ayland at ilande.co.uk Tue Nov 14 05:35:12 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Tue, 14 Nov 2006 13:35:12 -0000 (UTC)
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <007f01c707ee$aca4a270$975dfe0a@tomas>
References: <007f01c707ee$aca4a270$975dfe0a@tomas>
Message-ID: <47477.217.207.197.142.1163511312.squirrel@www.ilande.co.uk>
>
> Hi Mark,
>
> here I am sending the error log and also the installation details, as You
> asked. Let me know pls. if You identify what caused this behaviour, I am
> just curious.
>
> best regards
>
> Tomas
(CC back to postgis-users)
Hi Tomas,
Ahhh I think I see what happened here - the old PostgreSQL installers had
an option to install PostGIS into template1 as part of the install. Hence
when the installer creates the new template_postgis database, it finds
that the functions already exist :(
This option has been removed from the latest 8.2 installer, but of course
it may make things difficult for people upgrading. I'm not sure what the
best method to work around this is, other than attempting to drop the
complete list of PostGIS functions beforehand. Anyone on the list have any
better ideas?
Kind regards,
Mark.
From lanczos at t-zones.sk Tue Nov 14 06:25:36 2006
From: lanczos at t-zones.sk (Tomas Lanczos)
Date: Tue, 14 Nov 2006 15:25:36 +0100
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <47477.217.207.197.142.1163511312.squirrel@www.ilande.co.uk>
Message-ID: <009801c707f8$c0d5cf30$975dfe0a@tomas>
> From: Mark Cave-Ayland [mailto:mark.cave-ayland at ilande.co.uk]
>
> Hi Tomas,
>
> Ahhh I think I see what happened here - the old PostgreSQL
> installers had an option to install PostGIS into template1 as
> part of the install. Hence when the installer creates the new
> template_postgis database, it finds that the functions
> already exist :(
>
> This option has been removed from the latest 8.2 installer,
> but of course it may make things difficult for people
> upgrading. I'm not sure what the best method to work around
> this is, other than attempting to drop the complete list of
> PostGIS functions beforehand. Anyone on the list have any
> better ideas?
It works, anyway. It would be nice and correct if it will be mentioned in
the installation instructions. Deleting the stuff before the installation
begins is just a minor workaround.
Best regards
Tomas
> Kind regards,
>
> Mark.
>
>
From jan.syryn at trasys.be Tue Nov 14 06:26:27 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Tue, 14 Nov 2006 15:26:27 +0100
Subject: [postgis-users] Use of GeometryType does not work (yet) in my case
In-Reply-To: <016b01c707d3$6b0daa20$0601a8c0@ariane.tractebel.be>
Message-ID: <01bc01c707f8$df735570$0601a8c0@ariane.tractebel.be>
Hi all,
I am trying of inserting a geometry into postgres via Hibernate by using
GeometryType.
I build a random geometry generator for testing purposes.
My POJO looks like this:
@Entity
public class GeographicalCoverage {
private Integer id;
private Geometry footprint;
When I do an insert or an update manually, it works (so nothing is wrong
with the geometry itself):
GeographicalCoverage gc = (GeographicalCoverage) it.next();
String query = "update geographicalcoverage set footprint =
GeomFromText('"
+ gc.getFootprint().toString() + "', 4326) where id
= " + id + ";";
s.executeUpdate(query);
Now, I want to do it directly in Hibernate:
GeographicalCoverage geographicalCoverage = new
GeographicalCoverage();
Polygon polygon = createPolygon();
geographicalCoverage.setFootprint(polygon);
em.persist(geographicalCoverage2);
and gets this error:
Caused by: org.postgresql.util.PSQLException: ERROR: new row for relation
"geographicalcoverage" violates check constraint "enforce_srid_footprint"
Upon checking the database, I see that when using the Geometry type for
'footprint', some extra checks were created because I added the footprint
column with command:
select addgeometrycolumn
('geographicalcoverage','footprint','4326', 'POLYGON',2);
The projection was added because we store all our polygons in this
projection.
After verifying the table, PGAdmin is showing next SQL code:
CREATE TABLE geographicalcoverage
(
id serial NOT NULL,
footprint geometry,
CONSTRAINT pk_geographcoverage PRIMARY KEY (id),
CONSTRAINT enforce_dims_footprint CHECK (ndims(footprint)
= 2),
CONSTRAINT enforce_geotype_footprint CHECK
(geometrytype(footprint) = 'POLYGON'::text OR footprint IS NULL),
CONSTRAINT enforce_srid_footprint CHECK (srid(footprint) =
4326)
)
So the problem is clearly the polygon does not fit the right projection when
adding by Hibernate.
Any suggestions to resolve the problem ?
What is the projection when I remove the constraints ? Or when I create a
column of type 'geometry' ?
TIA,
Jan
From andresavila777 at hotmail.com Tue Nov 14 06:46:02 2006
From: andresavila777 at hotmail.com (andres avila)
Date: Tue, 14 Nov 2006 10:46:02 -0400
Subject: [postgis-users] Probelm with postgis-pg81-setup-1.1.6-1 in XP
In-Reply-To: <009801c707f8$c0d5cf30$975dfe0a@tomas>
Message-ID: <BAY23-F1384D0D4DB01D6BBBA521084EB0@phx.gbl>
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From rrossel at airsage.com Tue Nov 14 07:58:06 2006
From: rrossel at airsage.com (Richard Rossel)
Date: Tue, 14 Nov 2006 12:58:06 -0300
Subject: [postgis-users] pgsql2shp varchar convert
Message-ID: <73478880611140758t9c24fe4mb26c9da555789bf6@mail.gmail.com>
Hi guys,
I have a problem with pgsql2shp convertion that I would like that you
help me :)
I have a postgres DB with data that I loaded with shp2pgsql, and then
I make some transformations and added a new field call FCC as a varchar(5)
and load data as: UPDATE tablename SET FCC='A31' .....;
Can I do some queries and check that it is correct:
Select FCC from tablename;
FCC = A31
The problem is when I convert bd to shapefile using pgsql2shp the FCC data
is saved with quotes that I no need, like:
FCC = 'A31'
How can get generate a shapefile data without these quotes?
...
And other question :)
How can filter fields with shp2pgsql, like "ogr2ogr -selec" does?
thanks very much .-
--
Richard Rossel
Valparaiso - Chile
From kwythers at umn.edu Tue Nov 14 12:49:22 2006
From: kwythers at umn.edu (Kirk R. Wythers)
Date: Tue, 14 Nov 2006 14:49:22 -0600
Subject: [postgis-users] extending a database with another table
Message-ID: <E905704F-20B8-4247-AA89-4C8DAAFCB23A@umn.edu>
I am looking for suggestions on database design.
I have a simple three table database that holds climate data. The
first table (stations) holds station id, and geoposition information.
The second table (climate) holds temp and precip information, and the
third table (solar) holds solar radiation data. The column station_id
acts as a foreign key to link the tables.
My trouble is that I need to add a forth table (airports) that in the
same manner as "stations" in that it contains a station_id number, on
which data lines from "solar" and "climate" key off of. The goal here
is to be able to differentiate solar data from airports and solar
data from the stations.
Below are the three current tables (stations, climate, and solar).
Any ideas would be most appreciated.
met_data=# \d stations
Table "public.stations"
Column | Type | Modifiers
-----------------+-------------------+-----------
station_id | integer | not null
station_name | character varying |
state | character varying |
lat | double precision |
lon | double precision |
the_geom_lonlat | geometry |
the_geom_meters | geometry |
Indexes:
"stations_pkey" PRIMARY KEY, btree (station_id)
"stations_station_id_key" UNIQUE, btree (station_id)
Check constraints:
"enforce_dims_the_geom_lonlat" CHECK (ndims(the_geom_lonlat) = 2)
"enforce_dims_the_geom_meters" CHECK (ndims(the_geom_meters) = 2)
"enforce_geotype_the_geom_lonlat" CHECK (geometrytype
(the_geom_lonlat) = 'POINT'::text OR the_geom_lonlat IS NULL)
"enforce_geotype_the_geom_meters" CHECK (geometrytype
(the_geom_meters) = 'POINT'::text OR the_geom_meters IS NULL)
"enforce_srid_the_geom_lonlat" CHECK (srid(the_geom_lonlat) = 4269)
"enforce_srid_the_geom_meters" CHECK (srid(the_geom_meters) =
32661)
met_data=# \d climate
Table "public.climate"
Column | Type | Modifiers
------------+----------+-----------
station_id | integer |
year | smallint |
month | smallint |
day | smallint |
doy | smallint |
date | date |
precip | real |
tmin | real |
tmax | real |
Foreign-key constraints:
"climatefk" FOREIGN KEY (station_id) REFERENCES stations
(station_id)
met_data=# \d solar
Table "public.solar"
Column | Type | Modifiers
------------+----------+-----------
station_id | integer |
year | smallint |
month | smallint |
day | smallint |
doy | smallint |
date | date |
solar | real |
Foreign-key constraints:
"solarfk" FOREIGN KEY (station_id) REFERENCES stations(station_id)
From robtester at gmail.com Tue Nov 14 14:24:40 2006
From: robtester at gmail.com (Rob Tester)
Date: Tue, 14 Nov 2006 15:24:40 -0700
Subject: [postgis-users] Problem with overlap operator(&&) ?
References: <20061114101441.3645328b@gekomachine.casa>
<20061114112222.GG59852@keybit.net>
Message-ID: <01e601c7083b$aee20850$7203a8c0@susa.local>
I recently (with my install of 1.1.5) have run into something that is
puzzling me about the overlaps operator. I have two tables that I am
comparing the geometry objects using the following SQL:
select overlaps(a.wkb_geometry,b.wkb_geometry),a.primaryKey,b.primaryKey
from az_cr9 a,az_kz b where a.primaryKey=2203 and b.primaryKey=293546 and
a.wkb_geometry&&b.wkb_geometry
This returns one row:
f;2203;293546
My question is how does the overlaps operator return TRUE and the overlaps
function return FALSE. In fact the two geometries in question do not close
to each other. Is this operator broken?
This query returns no rows as expected:
select
overlaps(a.wkb_geometry,b.wkb_geometry),a.cr_id,b.ogc_fid,b.blockgroupid,b.blockid
from az_carrierroute9 a,az_kz_calculated_test b where a.ogc_fid=2203 and
b.ogc_fid=293546 and overlaps(a.wkb_geometry,b.wkb_geometry)
Any help on this?
Rob
----- Original Message -----
From: <strk at refractions.net>
To: "PostGIS Users Discussion" <postgis-users at postgis.refractions.net>
Sent: Tuesday, November 14, 2006 4:22 AM
Subject: Re: [postgis-users] Php interface for loading shp file into postgis
> On Tue, Nov 14, 2006 at 10:14:41AM +0100, Luca Casagrande wrote:
>> Hi to all!
>>
>> I am trying to found a good way to approach this issue:
>>
>> i need to build a php interface that will do those tasks:
>> 1) Load a shp file selected by the user;
>> 2) Check if the file has got a prj file associated with it and if not
>> let the user insert the PROJ code for the current file;
>> 3) Use proj to convert the file to the needed projection;
>> 4) Store the file inside POSTGIS
>>
>> The main thing i am thinking about, is when do the projection swap:
>> is it better to do BEFORE importing the data in POSTGIS or do just after
>> the data has
>> been inserted inside Postgis?
>
> There's currently no trigger checking for SRID existance added
> to the geometry column, so you can add the spatial_ref_sys
> entry at an arbitrary time.
> Anyway, the .prj => spatial_ref_sys record conversion seems
> a useful enough function to have embedded in shp2pgsql (and
> the reverse in pgsql2shp) so if you intend to implement such
> a feature I think it would be nice to have it implemented
> in C :)
>
> --strk;
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From pramsey at refractions.net Tue Nov 14 19:02:12 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Tue, 14 Nov 2006 19:02:12 -0800
Subject: [postgis-users] Curves in PostGIS : Barnraising
Message-ID: <D5DCF724-3AC7-4D05-AE46-A1AC92463F09@refractions.net>
All,
There appears to be enough latent interest in support for "curvey"
objects in PostGIS, that the time has come for a barn-raising <http://
en.wikipedia.org/wiki/Barn_raising>. If you want to see curved
features in PostGIS "soon" and you have $2000 or more to contribute
to the process in the next four months please get in touch with me at
<pramsey at refractions.net>. I will send respondents a short
prospectus of what the curve project will look like. If I can bundle
enough funding together, we can get this development completed in a
short period of time and be up and running with Curves before April.
Thanks,
Paul
From robtester at gmail.com Tue Nov 14 20:21:27 2006
From: robtester at gmail.com (Rob Tester)
Date: Tue, 14 Nov 2006 21:21:27 -0700
Subject: [postgis-users] Problem with the overlap operator && (?)
Message-ID: <f5f60fb50611142021j73ea5407y89ccb89827e6fb55@mail.gmail.com>
I recently (with my install of 1.1.5) have run into something that is
puzzling me about the overlaps operator. I have two tables that I am
comparing the geometry objects using the following SQL:
select overlaps(a.wkb_geometry,b.wkb_geometry),a.primaryKey,b.primaryKey
from az_cr9 a,az_kz b where a.primaryKey=2203 and b.primaryKey=293546 and
a.wkb_geometry&&b.wkb_geometry
This returns one row:
f;2203;293546
My question is how does the overlaps operator return TRUE and the overlaps
function return FALSE. In fact the two geometries in question do not close
to each other. Is this operator broken?
This query returns no rows as expected:
select
overlaps(a.wkb_geometry,b.wkb_geometry),a.cr_id,b.ogc_fid,b.blockgroupid,
b.blockid
from az_carrierroute9 a,az_kz_calculated_test b where a.ogc_fid=2203 and
b.ogc_fid=293546 and overlaps(a.wkb_geometry,b.wkb_geometry)
Any help on this?
Rob
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From gsw at globexplorer.com Tue Nov 14 20:40:07 2006
From: gsw at globexplorer.com (Gregory S. Williamson)
Date: Tue, 14 Nov 2006 20:40:07 -0800
Subject: [postgis-users] Problem with the overlap operator && (?)
References: <f5f60fb50611142021j73ea5407y89ccb89827e6fb55@mail.gmail.com>
Message-ID: <71E37EF6B7DCC1499CEA0316A256832802B3E898@loki.wc.globexplorer.net>
Rob,
Without examples of the data involved, it's hard to say for sure, but offhand perhaps the && operator, which uses bounding boxes only, does find that the 2nd object's BB overlaps the first object's BB, but the stricter (and slower, non-index using, "overlaps" function) is correctly seeing that they do not really overlap. Think of a "C" shape with a much smaller circle in the open area in the middle ... or a shape that has a long diagonal, so the bounding box embraces a large are compared to the actual area of the shape.
If you can reduce this to a simple case and show the geometries I am sure that smarter heads than mine could chime in.
HTH
Greg Williamson
DBA
GlobeXplorer LLC
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net on behalf of Rob Tester
Sent: Tue 11/14/2006 8:21 PM
To: postgis-users at postgis.refractions.net
Cc:
Subject: [postgis-users] Problem with the overlap operator && (?)
I recently (with my install of 1.1.5) have run into something that is
puzzling me about the overlaps operator. I have two tables that I am
comparing the geometry objects using the following SQL:
select overlaps(a.wkb_geometry,b.wkb_geometry),a.primaryKey,b.primaryKey
from az_cr9 a,az_kz b where a.primaryKey=2203 and b.primaryKey=293546 and
a.wkb_geometry&&b.wkb_geometry
This returns one row:
f;2203;293546
My question is how does the overlaps operator return TRUE and the overlaps
function return FALSE. In fact the two geometries in question do not close
to each other. Is this operator broken?
This query returns no rows as expected:
select
overlaps(a.wkb_geometry,b.wkb_geometry),a.cr_id,b.ogc_fid,b.blockgroupid,
b.blockid
from az_carrierroute9 a,az_kz_calculated_test b where a.ogc_fid=2203 and
b.ogc_fid=293546 and overlaps(a.wkb_geometry,b.wkb_geometry)
Any help on this?
Rob
-------------------------------------------------------
Click link below if it is SPAM gsw at globexplorer.com
"https://mailscanner.globexplorer.com/dspam/dspam.cgi?signatureID=455a9686171332117817174&user=gsw at globexplorer.com&retrain=spam&template=history&history_page=1"
!DSPAM:455a9686171332117817174!
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From pramsey at refractions.net Tue Nov 14 21:07:41 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Tue, 14 Nov 2006 21:07:41 -0800
Subject: [postgis-users] Problem with the overlap operator && (?)
In-Reply-To: <71E37EF6B7DCC1499CEA0316A256832802B3E898@loki.wc.globexplorer.net>
References: <f5f60fb50611142021j73ea5407y89ccb89827e6fb55@mail.gmail.com>
<71E37EF6B7DCC1499CEA0316A256832802B3E898@loki.wc.globexplorer.net>
Message-ID: <203EEB88-640C-431F-BFE6-B0D21C06F6E7@refractions.net>
Greg is right, the issue is that Overlaps() tests geometry overlap
while && tests bounding box overlap, and the two are only the same if
both objects are boxes. :)
But "why test bounding box overlaps???" you ask. Because that is an
indexable relationship, while the strict test is not. So you use the
two in combination. The && operator returns a superset of the
eventual result, which you winnow using an exact function.
The core trick of fast spatial database operations is to use the
bounding box relation to return a superset and then filter than
superset with an exact test.
P.
On 14-Nov-06, at 8:40 PM, Gregory S. Williamson wrote:
> Rob,
>
> Without examples of the data involved, it's hard to say for sure,
> but offhand perhaps the && operator, which uses bounding boxes
> only, does find that the 2nd object's BB overlaps the first
> object's BB, but the stricter (and slower, non-index using,
> "overlaps" function) is correctly seeing that they do not really
> overlap. Think of a "C" shape with a much smaller circle in the
> open area in the middle ... or a shape that has a long diagonal, so
> the bounding box embraces a large are compared to the actual area
> of the shape.
>
> If you can reduce this to a simple case and show the geometries I
> am sure that smarter heads than mine could chime in.
>
> HTH
>
> Greg Williamson
> DBA
> GlobeXplorer LLC
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net on behalf of
> Rob Tester
> Sent: Tue 11/14/2006 8:21 PM
> To: postgis-users at postgis.refractions.net
> Cc:
> Subject: [postgis-users] Problem with the overlap operator && (?)
>
> I recently (with my install of 1.1.5) have run into something that is
> puzzling me about the overlaps operator. I have two tables that I am
> comparing the geometry objects using the following SQL:
>
> select overlaps
> (a.wkb_geometry,b.wkb_geometry),a.primaryKey,b.primaryKey
> from az_cr9 a,az_kz b where a.primaryKey=2203 and
> b.primaryKey=293546 and
> a.wkb_geometry&&b.wkb_geometry
>
> This returns one row:
>
> f;2203;293546
>
> My question is how does the overlaps operator return TRUE and the
> overlaps
> function return FALSE. In fact the two geometries in question do
> not close
> to each other. Is this operator broken?
>
> This query returns no rows as expected:
>
> select
> overlaps
> (a.wkb_geometry,b.wkb_geometry),a.cr_id,b.ogc_fid,b.blockgroupid,
> b.blockid
> from az_carrierroute9 a,az_kz_calculated_test b where
> a.ogc_fid=2203 and
> b.ogc_fid=293546 and overlaps(a.wkb_geometry,b.wkb_geometry)
>
>
> Any help on this?
>
> Rob
>
>
>
> -------------------------------------------------------
> Click link below if it is SPAM gsw at globexplorer.com
> "https://mailscanner.globexplorer.com/dspam/dspam.cgi?
> signatureID=455a9686171332117817174&user=gsw at globexplorer.com&retrain=
> spam&template=history&history_page=1"
> !DSPAM:455a9686171332117817174!
> -------------------------------------------------------
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From frank.koormann at intevation.de Tue Nov 14 23:55:54 2006
From: frank.koormann at intevation.de (Frank Koormann)
Date: Wed, 15 Nov 2006 08:55:54 +0100
Subject: [postgis-users] Problem with overlap operator(&&) ?
In-Reply-To: <01e601c7083b$aee20850$7203a8c0@susa.local>
References: <20061114101441.3645328b@gekomachine.casa>
<20061114112222.GG59852@keybit.net>
<01e601c7083b$aee20850$7203a8c0@susa.local>
Message-ID: <20061115075554.GA30633@intevation.de>
* Rob Tester <robtester at gmail.com> [061114 23:26]:
> I recently (with my install of 1.1.5) have run into something that is
> puzzling me about the overlaps operator. I have two tables that I am
> comparing the geometry objects using the following SQL:
>
> select overlaps(a.wkb_geometry,b.wkb_geometry),a.primaryKey,b.primaryKey
> from az_cr9 a,az_kz b where a.primaryKey=2203 and b.primaryKey=293546 and
> a.wkb_geometry&&b.wkb_geometry
>
> This returns one row:
>
> f;2203;293546
>
> My question is how does the overlaps operator return TRUE and the overlaps
> function return FALSE. In fact the two geometries in question do not close
> to each other. Is this operator broken?
The operator (&&) is working on the bounding boxes while the overlaps()
function is working on the actual geometries.
Best regards,
Frank
--
Frank Koormann <frank.koormann at intevation.de>
Professional Service around Free Software (http://intevation.net/)
FreeGIS Project (http://freegis.org/)
PostGIS Support (http://intevation.net/services/gis/postgis.en.html)
From strk at refractions.net Wed Nov 15 00:03:46 2006
From: strk at refractions.net (strk at refractions.net)
Date: Wed, 15 Nov 2006 09:03:46 +0100
Subject: [postgis-users] pgsql2shp varchar convert
In-Reply-To: <73478880611140758t9c24fe4mb26c9da555789bf6@mail.gmail.com>
References: <73478880611140758t9c24fe4mb26c9da555789bf6@mail.gmail.com>
Message-ID: <20061115080346.GA90510@keybit.net>
On Tue, Nov 14, 2006 at 12:58:06PM -0300, Richard Rossel wrote:
> Hi guys,
> I have a problem with pgsql2shp convertion that I would like that you
> help me :)
> I have a postgres DB with data that I loaded with shp2pgsql, and then
> I make some transformations and added a new field call FCC as a varchar(5)
> and load data as: UPDATE tablename SET FCC='A31' .....;
> Can I do some queries and check that it is correct:
> Select FCC from tablename;
> FCC = A31
>
> The problem is when I convert bd to shapefile using pgsql2shp the FCC data
> is saved with quotes that I no need, like:
> FCC = 'A31'
This would be a bug.
Add a statemtn:
printf("Value: [%s]\n", val);
on line 3467 of pgsql2shp to see what's happening (1.1.5)
> And other question :)
> How can filter fields with shp2pgsql, like "ogr2ogr -selec" does?
You can load to a temp table and then filter with SQL queries..
--strk;
From naptrel at yahoo.co.uk Wed Nov 15 02:57:50 2006
From: naptrel at yahoo.co.uk (Nathaniel)
Date: Wed, 15 Nov 2006 10:57:50 +0000
Subject: [postgis-users] Linking to the PostGIS library
Message-ID: <174DE058-A705-4C9E-B271-0DCE85C18068@yahoo.co.uk>
Dear all,
I'm writing some C-functions to plug into postgres. Some of these
functions need to manipulate PostGIS geometries, so I'm trying to
link my code against the postgis library liblwgeom.so to make use of
the postgis functions that untangle geometries (e.g.
lwpoint_deserialize, lwpoint_getPointXX_p etc)
Header files are included, so my code compiles cleanly, but loading
the functions into postgres brings up "Symbol not found:
_lwgeom_deserialize" errors as postgres tries to find symbols defined
in my code and doesn't know to look in the postgis shared library to
find them.
I'm running macos10.4, postgres 8.1.4, postgis 1.1.6.
Presently, my "build script" is taken straight out the postgres manual:
cc -I/usr/local/pgsql/include/server/ -I./postgis-1.1.6/lwgeom/ -
c foo.c
cc -bundle -flat_namespace -undefined suppress -o libfoo.so foo.o;
The -I's in the first line help the compiler find the postgres/
postgis headers respectively.
What extra/different compiler/linker flags do I need to squeeze some
of that postgis magic into my library? Remember it's MacOSX--it's
unix Jim, but not as we know it--so although gcc compiler flags are
all a bit Appleified, things may work as per linux? I'm experienced
at writing C, but very inexperienced at building/linking (yes, it's a
bit odd) so hopefully this is simple newbie ignorance. Please help!
Nath
Send instant messages to your online friends http://uk.messenger.yahoo.com
From robtester at gmail.com Wed Nov 15 05:59:22 2006
From: robtester at gmail.com (Rob Tester)
Date: Wed, 15 Nov 2006 06:59:22 -0700
Subject: [postgis-users] Problem with the overlap operator && (?)
References: <f5f60fb50611142021j73ea5407y89ccb89827e6fb55@mail.gmail.com><71E37EF6B7DCC1499CEA0316A256832802B3E898@loki.wc.globexplorer.net>
<203EEB88-640C-431F-BFE6-B0D21C06F6E7@refractions.net>
Message-ID: <01fb01c708be$426b5f90$7203a8c0@susa.local>
I understand that the && uses bounding boxes and I also understand why the
index uses bounding boxes.
This seems to be a new behavior with the data.
I can tell you that spatially, they are not close. You would have to draw a
bounding box for both of them that would be larger than required to get that
to happen.
It should also mean that this query:
select
overlaps(envelope(a.wkb_geometry),envelope(b.wkb_geometry)),a.cr_id,b.ogc_fid,b.blockgroupid,b.blockid
from az_carrierroute9 a,az_kz_calculated_test b where a.ogc_fid=2203 and
b.ogc_fid=293546 and a.wkb_geometry&&b.wkb_geometry
Would return TRUE for the overlaps(geometry,geometry), but it does not. It
still returns FALSE which is puzzling me.
Geometry 1-
MULTIPOLYGON(((-111.127256 33.284309,-111.123972 33.284791,-111.124819
33.296575,-111.117514 33.317232,-111.101362 33.326736,-111.086473
33.340807,-111.092134 33.34884,-111.08693 33.356057,-111.048166
33.318328,-111.053736 33.314172,-111.090787 33.302698,-111.087266
33.295347,-111.091988 33.292795,-111.100199 33.28848,-111.103485
33.288164,-111.103945 33.286973,-111.108114 33.286857,-111.112283
33.283821,-111.113521 33.284236,-111.113686 33.281877,-111.115918
33.281868,-111.127256 33.284309),(-111.107079 33.301021,-111.108317
33.300412,-111.107646 33.300558,-111.107079 33.301021),(-111.123411
33.286903,-111.123448 33.286839,-111.123342 33.286902,-111.123411
33.286903)),((-111.314552 33.08251,-111.31396 33.0826,-111.314319
33.082485,-111.315002 33.082063,-111.315057 33.082525,-111.314552
33.08251)))
Geometry 2 -
POLYGON((-111.215261 33.109331,-111.215533 33.109223,-111.215996
33.108925,-111.216132 33.108696,-111.217139 33.107871,-111.218174
33.107687,-111.218936 33.107458,-111.219344 33.10716,-111.22065
33.105418,-111.220719 33.105375,-111.221058 33.105166,-111.22133
33.105143,-111.222147 33.105739,-111.222365 33.105807,-111.222828
33.105784,-111.222991 33.105624,-111.223154 33.105097,-111.223345
33.104845,-111.225168 33.104592,-111.225794 33.10363,-111.226583
33.102392,-111.226855 33.102117,-111.228026 33.102208,-111.228597
33.102071,-111.229196 33.1023,-111.229605 33.102345,-111.230203
33.101956,-111.230965 33.100237,-111.232216 33.098472,-111.232668
33.097067,-111.232732 33.096868,-111.232868 33.096685,-111.23314
33.096547,-111.234528 33.096524,-111.236107 33.096752,-111.236498
33.096711,-111.238205 33.097541,-111.239398 33.098245,-111.239429
33.098286,-111.239892 33.098675,-111.240356 33.098883,-111.241171
33.099247,-111.241634 33.099454,-111.241964 33.099671,-111.242372
33.099939,-111.242887 33.100278,-111.243623 33.101148,-111.24414
33.101079,-111.245419 33.101239,-111.246209 33.101605,-111.247975
33.102024,-111.248414 33.102246,-111.249396 33.103047,-111.249559
33.103093,-111.250675 33.103116,-111.252036 33.103323,-111.253397
33.103873,-111.254132 33.103874,-111.255031 33.103599,-111.258733
33.103578,-111.259685 33.10367,-111.260447 33.103922,-111.261346
33.103739,-111.261645 33.103762,-111.262298 33.104015,-111.263006
33.103877,-111.269735 33.103847,-111.272425 33.103835,-111.273187
33.104087,-111.272588 33.104865,-111.272587 33.106171,-111.272423
33.107156,-111.272042 33.108485,-111.272041 33.109768,-111.271469
33.111349,-111.270842 33.112173,-111.269889 33.11286,-111.269753
33.11309,-111.269181 33.113616,-111.268473 33.114051,-111.268402
33.114066,-111.267819 33.114189,-111.267356 33.114532,-111.265559
33.116135,-111.264987 33.117029,-111.264034 33.117761,-111.263189
33.118815,-111.262863 33.119113,-111.261501 33.119502,-111.26082
33.119983,-111.260302 33.120647,-111.260193 33.121105,-111.259239
33.122663,-111.258966 33.123831,-111.258122 33.12506,-111.257521
33.125771,-111.25635 33.12687,-111.255178 33.128313,-111.254824
33.129023,-111.254497 33.129298,-111.254061 33.129481,-111.253816
33.129756,-111.253625 33.130237,-111.253107 33.130672,-111.252889
33.131497,-111.252098 33.133169,-111.251362 33.134016,-111.251226
33.134497,-111.251078 33.134726,-111.250676 33.135345,-111.250315
33.135894,-111.250192 33.136215,-111.249965 33.136834,-111.249747
33.137705,-111.249339 33.138346,-111.249204 33.139309,-111.248959
33.13979,-111.248549 33.14015,-111.243156 33.140447,-111.218147
33.141826,-111.217681 33.148859,-111.217254 33.155306,-111.217102
33.155449,-111.216421 33.156412,-111.216176 33.157076,-111.215959
33.157282,-111.215628 33.157381,-111.215033 33.157558,-111.214951
33.157649,-111.214951 33.157855,-111.215523 33.158405,-111.215496
33.158634,-111.214979 33.159139,-111.214924 33.160055,-111.214625
33.160536,-111.214298 33.160788,-111.214298 33.161155,-111.214625
33.16143,-111.214653 33.161911,-111.215198 33.162323,-111.215089
33.162896,-111.213999 33.163836,-111.214 33.164065,-111.214136
33.164156,-111.214136 33.16434,-111.213972 33.164546,-111.213973
33.165187,-111.213591 33.165554,-111.213019 33.165806,-111.212584
33.166173,-111.212066 33.16725,-111.212121 33.167594,-111.212257
33.167731,-111.21223 33.168029,-111.211359 33.169381,-111.211277
33.169747,-111.211141 33.169931,-111.210732 33.170114,-111.209779
33.170229,-111.206728 33.170184,-111.206156 33.170069,-111.20542
33.169725,-111.204466 33.169451,-111.203431 33.168649,-111.202859
33.168466,-111.201742 33.168305,-111.201664 33.16823,-111.201551
33.168122,-111.201442 33.167778,-111.20117 33.167504,-111.20117
33.167252,-111.201742 33.166908,-111.201933 33.166541,-111.20196
33.165968,-111.202286 33.165327,-111.202668 33.165121,-111.203431
33.165029,-111.203757 33.164823,-111.203866 33.164639,-111.203866
33.163998,-111.203703 33.1637,-111.202122 33.161959,-111.202121
33.161317,-111.202584 33.160767,-111.202557 33.160011,-111.202938
33.159461,-111.203265 33.158476,-111.203837 33.158155,-111.203918
33.157514,-111.20381 33.157353,-111.202856 33.157078,-111.202556
33.156872,-111.202202 33.156093,-111.202175 33.155727,-111.202311
33.155406,-111.202311 33.155062,-111.201984 33.154627,-111.201984
33.154375,-111.202066 33.154329,-111.202175 33.153871,-111.201575
33.153413,-111.201548 33.153161,-111.202174 33.152611,-111.202256
33.15158,-111.202174 33.15119,-111.201411 33.150091,-111.201302
33.149793,-111.201453 33.149617,-111.201793 33.14922,-111.202119
33.148395,-111.202691 33.147502,-111.202909 33.146907,-111.203018
33.146815,-111.203002 33.146677,-111.202991 33.146586,-111.203317
33.146059,-111.203399 33.145761,-111.203181 33.145646,-111.203045
33.145417,-111.202881 33.14528,-111.202146 33.145097,-111.201928
33.14489,-111.201819 33.144272,-111.201574 33.143607,-111.201547
33.142806,-111.2019 33.142301,-111.202173 33.141568,-111.202608
33.141454,-111.203208 33.141591,-111.203398 33.141385,-111.204542
33.141224,-111.204569 33.140926,-111.20416 33.140216,-111.204051
33.13985,-111.204133 33.139368,-111.204296 33.139048,-111.204296
33.13875,-111.20367 33.138292,-111.203697 33.137627,-111.204105
33.137238,-111.204242 33.136917,-111.204214 33.136367,-111.203615
33.136,-111.203343 33.135726,-111.20307 33.134626,-111.202579
33.13403,-111.202579 33.133959,-111.202579 33.133801,-111.20296
33.133297,-111.203123 33.132907,-111.203151 33.132541,-111.203069
33.132312,-111.202415 33.131762,-111.202415 33.131258,-111.203232
33.130822,-111.204648 33.130799,-111.205465 33.130639,-111.207153
33.129653,-111.207588 33.12892,-111.207779 33.128828,-111.208133
33.128439,-111.208296 33.128095,-111.208677 33.127637,-111.208732
33.127087,-111.208514 33.126606,-111.208541 33.125919,-111.208677
33.125407,-111.208685 33.12506,-111.20914 33.124093,-111.209275
33.122283,-111.209629 33.121046,-111.210037 33.120564,-111.21001
33.119923,-111.209683 33.11935,-111.209683 33.118709,-111.209955
33.117862,-111.210063 33.1158,-111.210254 33.114837,-111.210444
33.114379,-111.211043 33.11376,-111.211505 33.112798,-111.211914
33.112156,-111.212703 33.111331,-111.213138 33.11069,-111.21371
33.110346,-111.21385 33.110231,-111.214662 33.109567,-111.215261
33.109331),(-111.213018 33.162415,-111.212773 33.162507,-111.212637
33.162782,-111.212719 33.163057,-111.213237 33.163469,-111.213373
33.1634,-111.213128 33.163057,-111.213209 33.162851,-111.213454
33.162873,-111.214054 33.163194,-111.214381 33.163148,-111.214517
33.163034,-111.214489 33.162667,-111.214108 33.162507,-111.213018
33.162415))
----- Original Message -----
From: "Paul Ramsey" <pramsey at refractions.net>
To: "PostGIS Users Discussion" <postgis-users at postgis.refractions.net>
Sent: Tuesday, November 14, 2006 10:07 PM
Subject: Re: [postgis-users] Problem with the overlap operator && (?)
> Greg is right, the issue is that Overlaps() tests geometry overlap while
> && tests bounding box overlap, and the two are only the same if both
> objects are boxes. :)
>
> But "why test bounding box overlaps???" you ask. Because that is an
> indexable relationship, while the strict test is not. So you use the two
> in combination. The && operator returns a superset of the eventual
> result, which you winnow using an exact function.
>
> The core trick of fast spatial database operations is to use the bounding
> box relation to return a superset and then filter than superset with an
> exact test.
>
> P.
>
> On 14-Nov-06, at 8:40 PM, Gregory S. Williamson wrote:
>
>> Rob,
>>
>> Without examples of the data involved, it's hard to say for sure, but
>> offhand perhaps the && operator, which uses bounding boxes only, does
>> find that the 2nd object's BB overlaps the first object's BB, but the
>> stricter (and slower, non-index using, "overlaps" function) is correctly
>> seeing that they do not really overlap. Think of a "C" shape with a much
>> smaller circle in the open area in the middle ... or a shape that has a
>> long diagonal, so the bounding box embraces a large are compared to the
>> actual area of the shape.
>>
>> If you can reduce this to a simple case and show the geometries I am
>> sure that smarter heads than mine could chime in.
>>
>> HTH
>>
>> Greg Williamson
>> DBA
>> GlobeXplorer LLC
>>
>> -----Original Message-----
>> From: postgis-users-bounces at postgis.refractions.net on behalf of Rob
>> Tester
>> Sent: Tue 11/14/2006 8:21 PM
>> To: postgis-users at postgis.refractions.net
>> Cc: Subject: [postgis-users] Problem with the overlap operator && (?)
>>
>> I recently (with my install of 1.1.5) have run into something that is
>> puzzling me about the overlaps operator. I have two tables that I am
>> comparing the geometry objects using the following SQL:
>>
>> select overlaps (a.wkb_geometry,b.wkb_geometry),a.primaryKey,b.primaryKey
>> from az_cr9 a,az_kz b where a.primaryKey=2203 and b.primaryKey=293546
>> and
>> a.wkb_geometry&&b.wkb_geometry
>>
>> This returns one row:
>>
>> f;2203;293546
>>
>> My question is how does the overlaps operator return TRUE and the
>> overlaps
>> function return FALSE. In fact the two geometries in question do not
>> close
>> to each other. Is this operator broken?
>>
>> This query returns no rows as expected:
>>
>> select
>> overlaps
>> (a.wkb_geometry,b.wkb_geometry),a.cr_id,b.ogc_fid,b.blockgroupid,
>> b.blockid
>> from az_carrierroute9 a,az_kz_calculated_test b where a.ogc_fid=2203 and
>> b.ogc_fid=293546 and overlaps(a.wkb_geometry,b.wkb_geometry)
>>
>>
>> Any help on this?
>>
>> Rob
>>
>>
>>
>> -------------------------------------------------------
>> Click link below if it is SPAM gsw at globexplorer.com
>> "https://mailscanner.globexplorer.com/dspam/dspam.cgi?
>> signatureID=455a9686171332117817174&user=gsw at globexplorer.com&retrain=
>> spam&template=history&history_page=1"
>> !DSPAM:455a9686171332117817174!
>> -------------------------------------------------------
>>
>>
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From jan.syryn at trasys.be Wed Nov 15 06:01:01 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Wed, 15 Nov 2006 15:01:01 +0100
Subject: [postgis-users] extending a database with another table
In-Reply-To: <E905704F-20B8-4247-AA89-4C8DAAFCB23A@umn.edu>
Message-ID: <029d01c708be$7ca40180$0601a8c0@ariane.tractebel.be>
Your question has nothing to do with PostGis problems, but is merely a
general DB design problem.
But because we are all nice guysz all together:
Don't add a table 'airports'.
Just extend station with a column stationtype_id(char 1) that points (fk) to
another table
'stationtype'.
Stationtype with id(char1) and stationtype_name(varchar(20))
Fill it with ('S' ; 'Station') and ('A', 'Airport')
Problem solved.
You want solar and climate for airports:
SELECT climate.*, solar.*
FROM climate,solar,station
WHERE climate.station_id = station.station_id
AND solar.station_id = station.station_id
AND station.stationtype_id='A'
Replace 'A' by 'S' for stations.
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Kirk R.
Wythers
Sent: mardi 14 novembre 2006 21:49
To: PostGIS Discussion Users
Subject: [postgis-users] extending a database with another table
I am looking for suggestions on database design.
I have a simple three table database that holds climate data. The first
table (stations) holds station id, and geoposition information.
The second table (climate) holds temp and precip information, and the third
table (solar) holds solar radiation data. The column station_id acts as a
foreign key to link the tables.
My trouble is that I need to add a forth table (airports) that in the same
manner as "stations" in that it contains a station_id number, on which data
lines from "solar" and "climate" key off of. The goal here is to be able to
differentiate solar data from airports and solar data from the stations.
Below are the three current tables (stations, climate, and solar).
Any ideas would be most appreciated.
met_data=# \d stations
Table "public.stations"
Column | Type | Modifiers
-----------------+-------------------+-----------
station_id | integer | not null
station_name | character varying |
state | character varying |
lat | double precision |
lon | double precision |
the_geom_lonlat | geometry |
the_geom_meters | geometry |
Indexes:
"stations_pkey" PRIMARY KEY, btree (station_id)
"stations_station_id_key" UNIQUE, btree (station_id) Check constraints:
"enforce_dims_the_geom_lonlat" CHECK (ndims(the_geom_lonlat) = 2)
"enforce_dims_the_geom_meters" CHECK (ndims(the_geom_meters) = 2)
"enforce_geotype_the_geom_lonlat" CHECK (geometrytype
(the_geom_lonlat) = 'POINT'::text OR the_geom_lonlat IS NULL)
"enforce_geotype_the_geom_meters" CHECK (geometrytype
(the_geom_meters) = 'POINT'::text OR the_geom_meters IS NULL)
"enforce_srid_the_geom_lonlat" CHECK (srid(the_geom_lonlat) = 4269)
"enforce_srid_the_geom_meters" CHECK (srid(the_geom_meters) =
32661)
met_data=# \d climate
Table "public.climate"
Column | Type | Modifiers
------------+----------+-----------
station_id | integer |
year | smallint |
month | smallint |
day | smallint |
doy | smallint |
date | date |
precip | real |
tmin | real |
tmax | real |
Foreign-key constraints:
"climatefk" FOREIGN KEY (station_id) REFERENCES stations
(station_id)
met_data=# \d solar
Table "public.solar"
Column | Type | Modifiers
------------+----------+-----------
station_id | integer |
year | smallint |
month | smallint |
day | smallint |
doy | smallint |
date | date |
solar | real |
Foreign-key constraints:
"solarfk" FOREIGN KEY (station_id) REFERENCES stations(station_id)
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From gribas at cpqd.com.br Wed Nov 15 07:22:36 2006
From: gribas at cpqd.com.br (Gustavo Henrique Sberze Ribas)
Date: Wed, 15 Nov 2006 13:22:36 -0200
Subject: RES: [postgis-users] Problem with the overlap operator && (?)
Message-ID: <E6F2049DCBE10840B22DC64587E6F3EC8D5C49@MAILSRV1.aquarius.cpqd.com.br>
Hi,
> I can tell you that spatially, they are not close. You would
> have to draw a
> bounding box for both of them that would be larger than
> required to get that
> to happen.
Check your data, the bounding boxes do overlap (see attachment).
--
Gustavo
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From mbdavis at refractions.net Wed Nov 15 08:45:35 2006
From: mbdavis at refractions.net (Martin Davis)
Date: Wed, 15 Nov 2006 08:45:35 -0800
Subject: [postgis-users] HELP! Ms-Access shape data to
the_geom ofpostgresql
In-Reply-To: <C5EF97E5-E33A-446E-9015-094FA81C3BC5@refractions.net>
References: <C482FF98AE985A47B8C982FD429C9E34FEF976@daytonmsg2k3.AERO.BALL.COM>
<C5EF97E5-E33A-446E-9015-094FA81C3BC5@refractions.net>
Message-ID: <455B442F.2010901@refractions.net>
Yep, that's exactly what it is - just the binary format used for a
geometry object in Shapefiles.
Paul Ramsey wrote:
> My understanding it that it is just a Shape record, but if it's not,
> it is probably nothing more complex than a differenced version of the
> same thing. (using the first coordinate, create all the rest of the
> coordinates as offsets from the first). In any event, the answer is
> available in OGR, since Frank has already figured out the details and
> provides read support for geodatabase on platforms that support ODBC.
>
> P
>
> On 13-Nov-06, at 5:34 AM, Clay, Bruce wrote:
>
>> Does anyone have the data format for the blob?
>>
>>
>> -----Original Message-----
>> From: postgis-users-bounces at postgis.refractions.net
>> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of P
>> Kishor
>> Sent: Monday, November 13, 2006 7:43 AM
>> To: PostGIS Users Discussion
>> Subject: Re: [postgis-users] HELP! Ms-Access shape data to the_geom
>> ofpostgresql
>>
>> coordinate data in Access (equivalent to the geom in PostGIS) is
>> stored as a blob.
>>
>> On 11/13/06, Marc Angelo <computrain at paradise.net.nz> wrote:
>>> I can't give you a full answer but I can tell you why (I think) the
>> "data
>>> conversion" is failing (somebody please correct me if I am wrong). I
>> think
>>> you will find that the co-ordinate data in Access is a "double" or
>> "single"
>>> data type as Access does not have a "geometry" data type like in
>> Postgres.
>>> When you use the PostGres ODBC connector you are just transferring the
>> data
>>> from one database to another so Postgres is just placing the data in
>> the
>>> fields in the nearest data type that is equivalant to the Acces data
>> type.
>>>
>>> If the data needs only to be transferred once (not on a regular basis)
>> from
>>> Access you could import the data by writing a small routine in C++.Net
>> or
>>> VB.Net. I wrote a small app a while ago that imported geometry data
>> into
>>> Postgres.
>>> I connected to PostGres using NPGSQL data connector. All my data was
>> in csv
>>> fomat inside a text file. The routine opened the csv file and then
>> imported
>>> each record into Postgres by using an SQL insert statement combined
>> with the
>>> GeometryFromText() function which converts text coordinates into a
>> geometry
>>> data type in Postgres.
>>> Having said that I am not competent with SQL so I suspect that you
>> could
>>> write an SQL statement within Postgres to import and convert data that
>>> resides in a csv file.....this would mean exporting your data from
>> Access
>>> into a .txt or csv file.
>>>
>>> Hope this gives you at least some help.
>>>
>>> Cheers
>>> Marc
>>>
>>>
>>> ----- Original Message -----
>>> From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
>>> To: <postgis-users at postgis.refractions.net>
>>> Sent: Monday, November 13, 2006 9:00 PM
>>> Subject: [postgis-users] HELP! Ms-Access shape data to the_geom of
>>> postgresql
>>>
>>>
>>>> Help....
>>>>
>>>> I've been trying to convert database from Ms-Access shape data to
>> the_geom
>>>> for postgresql.
>>>>
>>>> I try to export from MS-Access to postgresql with PGSQL-ODBC
>> connection,
>>>> but the result in postgresql still not result as the_geom field but
>> still
>>>> the shape data in fields.
>>>>
>>>> Can anyone tell me how to Convert database from Ms-Access shape data
>> to
>>>> the_geom for postgresql???
>>>>
>>>> thanks for reply....
>>>>
>>>>
>>>> _______________________________________________
>>>> postgis-users mailing list
>>>> postgis-users at postgis.refractions.net
>>>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>>
>>>>
>>>>
>>>> --
>>>> No virus found in this incoming message.
>>>> Checked by AVG Free Edition.
>>>> Version: 7.1.409 / Virus Database: 268.14.3/531 - Release Date:
>> 12/11/2006
>>>>
>>>>
>>>
>>> _______________________________________________
>>> postgis-users mailing list
>>> postgis-users at postgis.refractions.net
>>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>
>>
>>
>> --Puneet Kishor http://punkish.eidesis.org/
>> Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
>> Open Source Geospatial Foundation https://edu.osgeo.org/
>> ------------------------------------------------------------------------
>> -------------------------------
>> collaborate, communicate, compete
>> ====================================================
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
From hi_ono2001 at ybb.ne.jp Wed Nov 15 12:58:53 2006
From: hi_ono2001 at ybb.ne.jp (Hisaji ONO)
Date: Thu, 16 Nov 2006 05:58:53 +0900 (JST)
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
ofpostgresql
In-Reply-To: <455B442F.2010901@refractions.net>
Message-ID: <20061115205853.90316.qmail@web10708.mail.bbt.yahoo.co.jp>
Hello.
How about spatial indexes?
Regards.
--- Martin Davis <mbdavis at refractions.net> wrote:
> Yep, that's exactly what it is - just the binary
> format used for a
> geometry object in Shapefiles.
>
> Paul Ramsey wrote:
> > My understanding it that it is just a Shape
> record, but if it's not,
> > it is probably nothing more complex than a
> differenced version of the
> > same thing. (using the first coordinate, create
> all the rest of the
> > coordinates as offsets from the first). In any
> event, the answer is
> > available in OGR, since Frank has already figured
> out the details and
> > provides read support for geodatabase on platforms
> that support ODBC.
> >
> > P
> >
> > On 13-Nov-06, at 5:34 AM, Clay, Bruce wrote:
> >
> >> Does anyone have the data format for the blob?
> >>
> >>
> >> -----Original Message-----
> >> From:
> postgis-users-bounces at postgis.refractions.net
> >>
> [mailto:postgis-users-bounces at postgis.refractions.net]
> On Behalf Of P
> >> Kishor
> >> Sent: Monday, November 13, 2006 7:43 AM
> >> To: PostGIS Users Discussion
> >> Subject: Re: [postgis-users] HELP! Ms-Access
> shape data to the_geom
> >> ofpostgresql
> >>
> >> coordinate data in Access (equivalent to the geom
> in PostGIS) is
> >> stored as a blob.
> >>
> >> On 11/13/06, Marc Angelo
> <computrain at paradise.net.nz> wrote:
> >>> I can't give you a full answer but I can tell
> you why (I think) the
> >> "data
> >>> conversion" is failing (somebody please correct
> me if I am wrong). I
> >> think
> >>> you will find that the co-ordinate data in
> Access is a "double" or
> >> "single"
> >>> data type as Access does not have a "geometry"
> data type like in
> >> Postgres.
> >>> When you use the PostGres ODBC connector you are
> just transferring the
> >> data
> >>> from one database to another so Postgres is just
> placing the data in
> >> the
> >>> fields in the nearest data type that is
> equivalant to the Acces data
> >> type.
> >>>
> >>> If the data needs only to be transferred once
> (not on a regular basis)
> >> from
> >>> Access you could import the data by writing a
> small routine in C++.Net
> >> or
> >>> VB.Net. I wrote a small app a while ago that
> imported geometry data
> >> into
> >>> Postgres.
> >>> I connected to PostGres using NPGSQL data
> connector. All my data was
> >> in csv
> >>> fomat inside a text file. The routine opened the
> csv file and then
> >> imported
> >>> each record into Postgres by using an SQL insert
> statement combined
> >> with the
> >>> GeometryFromText() function which converts text
> coordinates into a
> >> geometry
> >>> data type in Postgres.
> >>> Having said that I am not competent with SQL so
> I suspect that you
> >> could
> >>> write an SQL statement within Postgres to import
> and convert data that
> >>> resides in a csv file.....this would mean
> exporting your data from
> >> Access
> >>> into a .txt or csv file.
> >>>
> >>> Hope this gives you at least some help.
> >>>
> >>> Cheers
> >>> Marc
> >>>
> >>>
> >>> ----- Original Message -----
> >>> From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
> >>> To: <postgis-users at postgis.refractions.net>
> >>> Sent: Monday, November 13, 2006 9:00 PM
> >>> Subject: [postgis-users] HELP! Ms-Access shape
> data to the_geom of
> >>> postgresql
> >>>
> >>>
> >>>> Help....
> >>>>
> >>>> I've been trying to convert database from
> Ms-Access shape data to
> >> the_geom
> >>>> for postgresql.
> >>>>
> >>>> I try to export from MS-Access to postgresql
> with PGSQL-ODBC
> >> connection,
> >>>> but the result in postgresql still not result
> as the_geom field but
> >> still
> >>>> the shape data in fields.
> >>>>
> >>>> Can anyone tell me how to Convert database from
> Ms-Access shape data
> >> to
> >>>> the_geom for postgresql???
> >>>>
> >>>> thanks for reply....
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> postgis-users mailing list
> >>>> postgis-users at postgis.refractions.net
> >>>>
>
http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> No virus found in this incoming message.
> >>>> Checked by AVG Free Edition.
> >>>> Version: 7.1.409 / Virus Database: 268.14.3/531
> - Release Date:
> >> 12/11/2006
> >>>>
> >>>>
> >>>
> >>> _______________________________________________
> >>> postgis-users mailing list
> >>> postgis-users at postgis.refractions.net
> >>>
>
http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>>
> >>
> >>
> >> --Puneet Kishor http://punkish.eidesis.org/
> >> Nelson Inst. for Env. Studies, UW-Madison
> http://www.nelson.wisc.edu/
> >> Open Source Geospatial Foundation
> https://edu.osgeo.org/
> >>
>
------------------------------------------------------------------------
> >> -------------------------------
> >> collaborate, communicate, compete
> >>
> ====================================================
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >>
>
http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >>
>
http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> >
>
http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
>
> --
> Martin Davis
> Senior Technical Architect
> Refractions Research, Inc.
> (250) 383-3022
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
>
http://postgis.refractions.net/mailman/listinfo/postgis-users
>
=== ???????????????? ===
From tzuberbuehler at datacomm.ch Wed Nov 15 13:10:49 2006
From: tzuberbuehler at datacomm.ch (Thomas Zuberbuehler)
Date: Wed, 15 Nov 2006 22:10:49 +0100
Subject: [postgis-users] Converting From MULTILINESTRINGM to MULTILINESTRING
Message-ID: <e545098a0611151310u1b840fado915cfab0934e8edc@mail.gmail.com>
Hi Bert,
You have written a half year ago in the postgis mailinglist:
> Hi All,
>
> I have been struggling with some dirty data from arcview, specifically a lot
> of the shapefiles had a thrid dimension, but it conntained no useful data. I
> am using this data with geoserver and it doesn't like multilinestringm
> types. How would I go about stripping out the third dimension. is there a
> way to do it in postgis or do I have to export all the geometries as text
> and grep them?
>
> Thanks,
>
> Bert
I have the exact similar problem. How did you found a solution? The
force_2d operation, which is in the mailinglist suggested, functioned
unfortunately not.
Thank you.
Regards,
Thomas
--
Thomas Zuberbuehler
http://www.zubi.li
From pramsey at refractions.net Wed Nov 15 13:11:55 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Wed, 15 Nov 2006 13:11:55 -0800
Subject: [postgis-users] HELP! Ms-Access shape data to the_geom
ofpostgresql
In-Reply-To: <20061115205853.90316.qmail@web10708.mail.bbt.yahoo.co.jp>
References: <20061115205853.90316.qmail@web10708.mail.bbt.yahoo.co.jp>
Message-ID: <E1BCB202-0AC6-492C-9962-3625409B7BED@refractions.net>
In the file itself? I understand they use a multi-level gridding
system. Probably you could figure it out by examining the f_* tables
carefully.
P
On 15-Nov-06, at 12:58 PM, Hisaji ONO wrote:
> Hello.
>
>
> How about spatial indexes?
>
>
> Regards.
>
> --- Martin Davis <mbdavis at refractions.net> wrote:
>
>> Yep, that's exactly what it is - just the binary
>> format used for a
>> geometry object in Shapefiles.
>>
>> Paul Ramsey wrote:
>>> My understanding it that it is just a Shape
>> record, but if it's not,
>>> it is probably nothing more complex than a
>> differenced version of the
>>> same thing. (using the first coordinate, create
>> all the rest of the
>>> coordinates as offsets from the first). In any
>> event, the answer is
>>> available in OGR, since Frank has already figured
>> out the details and
>>> provides read support for geodatabase on platforms
>> that support ODBC.
>>>
>>> P
>>>
>>> On 13-Nov-06, at 5:34 AM, Clay, Bruce wrote:
>>>
>>>> Does anyone have the data format for the blob?
>>>>
>>>>
>>>> -----Original Message-----
>>>> From:
>> postgis-users-bounces at postgis.refractions.net
>>>>
>> [mailto:postgis-users-bounces at postgis.refractions.net]
>> On Behalf Of P
>>>> Kishor
>>>> Sent: Monday, November 13, 2006 7:43 AM
>>>> To: PostGIS Users Discussion
>>>> Subject: Re: [postgis-users] HELP! Ms-Access
>> shape data to the_geom
>>>> ofpostgresql
>>>>
>>>> coordinate data in Access (equivalent to the geom
>> in PostGIS) is
>>>> stored as a blob.
>>>>
>>>> On 11/13/06, Marc Angelo
>> <computrain at paradise.net.nz> wrote:
>>>>> I can't give you a full answer but I can tell
>> you why (I think) the
>>>> "data
>>>>> conversion" is failing (somebody please correct
>> me if I am wrong). I
>>>> think
>>>>> you will find that the co-ordinate data in
>> Access is a "double" or
>>>> "single"
>>>>> data type as Access does not have a "geometry"
>> data type like in
>>>> Postgres.
>>>>> When you use the PostGres ODBC connector you are
>> just transferring the
>>>> data
>>>>> from one database to another so Postgres is just
>> placing the data in
>>>> the
>>>>> fields in the nearest data type that is
>> equivalant to the Acces data
>>>> type.
>>>>>
>>>>> If the data needs only to be transferred once
>> (not on a regular basis)
>>>> from
>>>>> Access you could import the data by writing a
>> small routine in C++.Net
>>>> or
>>>>> VB.Net. I wrote a small app a while ago that
>> imported geometry data
>>>> into
>>>>> Postgres.
>>>>> I connected to PostGres using NPGSQL data
>> connector. All my data was
>>>> in csv
>>>>> fomat inside a text file. The routine opened the
>> csv file and then
>>>> imported
>>>>> each record into Postgres by using an SQL insert
>> statement combined
>>>> with the
>>>>> GeometryFromText() function which converts text
>> coordinates into a
>>>> geometry
>>>>> data type in Postgres.
>>>>> Having said that I am not competent with SQL so
>> I suspect that you
>>>> could
>>>>> write an SQL statement within Postgres to import
>> and convert data that
>>>>> resides in a csv file.....this would mean
>> exporting your data from
>>>> Access
>>>>> into a .txt or csv file.
>>>>>
>>>>> Hope this gives you at least some help.
>>>>>
>>>>> Cheers
>>>>> Marc
>>>>>
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Hendra Yana" <Hendra at lskk.ee.itb.ac.id>
>>>>> To: <postgis-users at postgis.refractions.net>
>>>>> Sent: Monday, November 13, 2006 9:00 PM
>>>>> Subject: [postgis-users] HELP! Ms-Access shape
>> data to the_geom of
>>>>> postgresql
>>>>>
>>>>>
>>>>>> Help....
>>>>>>
>>>>>> I've been trying to convert database from
>> Ms-Access shape data to
>>>> the_geom
>>>>>> for postgresql.
>>>>>>
>>>>>> I try to export from MS-Access to postgresql
>> with PGSQL-ODBC
>>>> connection,
>>>>>> but the result in postgresql still not result
>> as the_geom field but
>>>> still
>>>>>> the shape data in fields.
>>>>>>
>>>>>> Can anyone tell me how to Convert database from
>> Ms-Access shape data
>>>> to
>>>>>> the_geom for postgresql???
>>>>>>
>>>>>> thanks for reply....
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> postgis-users mailing list
>>>>>> postgis-users at postgis.refractions.net
>>>>>>
>>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> No virus found in this incoming message.
>>>>>> Checked by AVG Free Edition.
>>>>>> Version: 7.1.409 / Virus Database: 268.14.3/531
>> - Release Date:
>>>> 12/11/2006
>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> postgis-users mailing list
>>>>> postgis-users at postgis.refractions.net
>>>>>
>>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>>>
>>>>
>>>>
>>>> --Puneet Kishor http://punkish.eidesis.org/
>>>> Nelson Inst. for Env. Studies, UW-Madison
>> http://www.nelson.wisc.edu/
>>>> Open Source Geospatial Foundation
>> https://edu.osgeo.org/
>>>>
>>
> ----------------------------------------------------------------------
> --
>>>> -------------------------------
>>>> collaborate, communicate, compete
>>>>
>> ====================================================
>>>> _______________________________________________
>>>> postgis-users mailing list
>>>> postgis-users at postgis.refractions.net
>>>>
>>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>> _______________________________________________
>>>> postgis-users mailing list
>>>> postgis-users at postgis.refractions.net
>>>>
>>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>
>>> _______________________________________________
>>> postgis-users mailing list
>>> postgis-users at postgis.refractions.net
>>>
>>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>
>>
>> --
>> Martin Davis
>> Senior Technical Architect
>> Refractions Research, Inc.
>> (250) 383-3022
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
> === ???????????????? ===
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From strk at refractions.net Wed Nov 15 13:30:10 2006
From: strk at refractions.net (strk at refractions.net)
Date: Wed, 15 Nov 2006 22:30:10 +0100
Subject: [postgis-users] Converting From MULTILINESTRINGM to
MULTILINESTRING
In-Reply-To: <e545098a0611151310u1b840fado915cfab0934e8edc@mail.gmail.com>
References: <e545098a0611151310u1b840fado915cfab0934e8edc@mail.gmail.com>
Message-ID: <20061115213010.GS92629@keybit.net>
On Wed, Nov 15, 2006 at 10:10:49PM +0100, Thomas Zuberbuehler wrote:
> I have the exact similar problem. How did you found a solution? The
> force_2d operation, which is in the mailinglist suggested, functioned
> unfortunately not.
Do you have a testcase to support this statement ?
I'd add to the regress tests if so.
--strk;
From tzuberbuehler at datacomm.ch Wed Nov 15 13:48:18 2006
From: tzuberbuehler at datacomm.ch (Thomas Zuberbuehler)
Date: Wed, 15 Nov 2006 22:48:18 +0100
Subject: [postgis-users] Converting From MULTILINESTRINGM to
MULTILINESTRING
In-Reply-To: <20061115213010.GS92629@keybit.net>
References: <e545098a0611151310u1b840fado915cfab0934e8edc@mail.gmail.com>
<20061115213010.GS92629@keybit.net>
Message-ID: <e545098a0611151348s6b022f42w32ea83ad80ad8a18@mail.gmail.com>
Hi Craig
Hi Strk
Unfortunately this are data from a government authority, that I
receive for my thesis (diploma) at the university. Sorry, I became
gladly, but it's not legal in this case. I hope you have
understanding.
I've got a error like this:
ERROR: new row for relation "routes" violates check constraint
"enforce_geotype_the_geom"
I found some solution in the meantime:
select AddGeometryColumn('','routes','the_geom2','21781','MULTILINESTRING', 2);
update routes set the_geom2 = force_2d(the_geom);
alter table routes drop column the_geom;
Thank you.
Regards,
Thomas
2006/11/15, strk at refractions.net <strk at refractions.net>:
> On Wed, Nov 15, 2006 at 10:10:49PM +0100, Thomas Zuberbuehler wrote:
>
> > I have the exact similar problem. How did you found a solution? The
> > force_2d operation, which is in the mailinglist suggested, functioned
> > unfortunately not.
>
> Do you have a testcase to support this statement ?
> I'd add to the regress tests if so.
>
> --strk;
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Thomas Zuberbuehler
http://www.zubi.li
From edylan at google.com Wed Nov 15 14:43:00 2006
From: edylan at google.com (Dylan Lorimer)
Date: Wed, 15 Nov 2006 14:43:00 -0800
Subject: [postgis-users] POLYGON from MULTIPOLYGON
Message-ID: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com>
Hi,
I loaded a shapefile of country boundaries into PostGIS using the shp2pgsql
loader. I see that the resulting geometry is a multipolygon. I need it as a
polygon, and considering there is only a single outer ring, this shouldn't
be a problem. But 'Polygonize' is returning a GeometryCollection, rather
than Polygon. Any ideas?
gnis2=# select GeometryType(Polygonize(the_geom)) from gnis_country_view
where country_name='Canada';
geometrytype
--------------------
GEOMETRYCOLLECTION
(1 row)
Cheers,
-dylan
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From edylan at google.com Wed Nov 15 14:57:21 2006
From: edylan at google.com (Dylan Lorimer)
Date: Wed, 15 Nov 2006 14:57:21 -0800
Subject: [postgis-users] Re: POLYGON from MULTIPOLYGON
In-Reply-To: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com>
References: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com>
Message-ID: <3ddac38d0611151457g3f51c6a5o11d360e04e108901@mail.gmail.com>
Well,
I realize 'Polygonize' isn't the right function, but I'm still stuck
figuring out which is correct. Any ideas?
Cheers,
dylan
On 11/15/06, Dylan Lorimer <edylan at google.com> wrote:
>
> Hi,
>
> I loaded a shapefile of country boundaries into PostGIS using the
> shp2pgsql loader. I see that the resulting geometry is a multipolygon. I
> need it as a polygon, and considering there is only a single outer ring,
> this shouldn't be a problem. But 'Polygonize' is returning a
> GeometryCollection, rather than Polygon. Any ideas?
>
> gnis2=# select GeometryType(Polygonize(the_geom)) from gnis_country_view
> where country_name='Canada';
> geometrytype
> --------------------
> GEOMETRYCOLLECTION
> (1 row)
>
> Cheers,
> -dylan
>
--
E. Dylan Lorimer | Google Earth Enterprise
650.253.2459 (O) | 650.862.6810 (M) | 650.644.0182 (F)
--------------------------------------------------------------------------------
Earth Enterprise Support: fusion at google.com | 866.4GO.OGLE ext. 4
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From erics at ameri-title.com Wed Nov 15 15:09:06 2006
From: erics at ameri-title.com (Eric Shuman)
Date: Wed, 15 Nov 2006 15:09:06 -0800
Subject: [postgis-users] Spatial Join Performance
Message-ID: <KMEIKNPGBOLILGCIHBLCGEBACBAA.erics@ameri-title.com>
Hi list, I'm a bit new doing PostGIS queries and have some questions on
optimizing the speed of spatial joins.
Scenario:
I have a tax lot polygon layer that I want to find out what zones it falls
into.
There are about 100,000 tax lot shapes and 1000 zones.
SELECT DISTINCT ON (taxlot,zone_) taxlot,zone_
FROM taxlot,zoning
WHERE taxlot != ''
AND taxlot.the_geom && zoning.the_geom
AND contains(zoning.the_geom,centroid(taxlot.the_geom))
;
I have created GIST indexes on both the zoning and taxlot tables and when I
run the query with EXPLAIN I get results suggesting the use of indexes.
...
Index Scan using taxlot_geom_index on taxlot (cost=0.00..6.02 rows=1
width=64)
Index Cond: (taxlot.the_geom && "outer".the_geom)"
I have been able to get a similar query to run on smaller data sets, but so
far I have tried to run this one for over 2 hours with out it completing...
Am I approaching this correctly or is there something I am missing that
would speed up the query??
Thanks for the help!!
---------------
Eric Shuman
From pramsey at refractions.net Wed Nov 15 17:45:11 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Wed, 15 Nov 2006 17:45:11 -0800
Subject: [postgis-users] Re: POLYGON from MULTIPOLYGON
In-Reply-To: <3ddac38d0611151457g3f51c6a5o11d360e04e108901@mail.gmail.com>
References: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com>
<3ddac38d0611151457g3f51c6a5o11d360e04e108901@mail.gmail.com>
Message-ID: <FB40DFE2-B038-477B-9C72-211C590D6585@refractions.net>
GeometryN() is what you're looking for.
On 15-Nov-06, at 2:57 PM, Dylan Lorimer wrote:
> Well,
>
> I realize 'Polygonize' isn't the right function, but I'm still
> stuck figuring out which is correct. Any ideas?
> Cheers,
> dylan
>
> On 11/15/06, Dylan Lorimer <edylan at google.com> wrote: Hi,
>
> I loaded a shapefile of country boundaries into PostGIS using the
> shp2pgsql loader. I see that the resulting geometry is a
> multipolygon. I need it as a polygon, and considering there is only
> a single outer ring, this shouldn't be a problem. But 'Polygonize'
> is returning a GeometryCollection, rather than Polygon. Any ideas?
>
> gnis2=# select GeometryType(Polygonize(the_geom)) from
> gnis_country_view where country_name='Canada';
> geometrytype
> --------------------
> GEOMETRYCOLLECTION
> (1 row)
>
> Cheers,
> -dylan
>
>
>
> --
> E. Dylan Lorimer | Google Earth Enterprise
> 650.253.2459 (O) | 650.862.6810 (M) | 650.644.0182 (F)
> ----------------------------------------------------------------------
> ----------
> Earth Enterprise Support: fusion at google.com | 866.4GO.OGLE ext. 4
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From pramsey at refractions.net Wed Nov 15 17:49:09 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Wed, 15 Nov 2006 17:49:09 -0800
Subject: [postgis-users] Spatial Join Performance
In-Reply-To: <KMEIKNPGBOLILGCIHBLCGEBACBAA.erics@ameri-title.com>
References: <KMEIKNPGBOLILGCIHBLCGEBACBAA.erics@ameri-title.com>
Message-ID: <05A3A961-2510-4830-A09E-816779413072@refractions.net>
I am going to guess that your zoning polygons are fairly large and
complex and that each one contains quite a large number of taxlots.
Right?
In that case, you've re-found a known performance issue which we have
promised to fix on any number of occasions, which is short-circuiting
some simple cases like point-in-polygon to avoid the GEOS functions
(which are robust and slow) and go for a simpler point-in-polygon
test when it is applicable (as it is in your case).
Mark, if Eric confirms this case, can you file this as a bug and take
a run at it in your AST.
P
On 15-Nov-06, at 3:09 PM, Eric Shuman wrote:
> Hi list, I'm a bit new doing PostGIS queries and have some
> questions on
> optimizing the speed of spatial joins.
>
> Scenario:
> I have a tax lot polygon layer that I want to find out what zones
> it falls
> into.
> There are about 100,000 tax lot shapes and 1000 zones.
>
> SELECT DISTINCT ON (taxlot,zone_) taxlot,zone_
> FROM taxlot,zoning
> WHERE taxlot != ''
> AND taxlot.the_geom && zoning.the_geom
> AND contains(zoning.the_geom,centroid(taxlot.the_geom))
> ;
>
> I have created GIST indexes on both the zoning and taxlot tables
> and when I
> run the query with EXPLAIN I get results suggesting the use of
> indexes.
>
> ...
> Index Scan using taxlot_geom_index on taxlot (cost=0.00..6.02 rows=1
> width=64)
> Index Cond: (taxlot.the_geom && "outer".the_geom)"
>
>
> I have been able to get a similar query to run on smaller data
> sets, but so
> far I have tried to run this one for over 2 hours with out it
> completing...
>
> Am I approaching this correctly or is there something I am missing
> that
> would speed up the query??
>
>
> Thanks for the help!!
>
> ---------------
> Eric Shuman
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From strk at refractions.net Thu Nov 16 01:10:41 2006
From: strk at refractions.net (strk at refractions.net)
Date: Thu, 16 Nov 2006 10:10:41 +0100
Subject: [postgis-users] Linking to the PostGIS library
In-Reply-To: <174DE058-A705-4C9E-B271-0DCE85C18068@yahoo.co.uk>
References: <174DE058-A705-4C9E-B271-0DCE85C18068@yahoo.co.uk>
Message-ID: <20061116091041.GD9673@keybit.net>
On Wed, Nov 15, 2006 at 10:57:50AM +0000, Nathaniel wrote:
> Dear all,
>
> I'm writing some C-functions to plug into postgres. Some of these
> functions need to manipulate PostGIS geometries, so I'm trying to
> link my code against the postgis library liblwgeom.so to make use of
> the postgis functions that untangle geometries (e.g.
> lwpoint_deserialize, lwpoint_getPointXX_p etc)
>
> Header files are included, so my code compiles cleanly, but loading
> the functions into postgres brings up "Symbol not found:
> _lwgeom_deserialize" errors as postgres tries to find symbols defined
> in my code and doesn't know to look in the postgis shared library to
> find them.
>
> I'm running macos10.4, postgres 8.1.4, postgis 1.1.6.
>
> Presently, my "build script" is taken straight out the postgres manual:
>
> cc -I/usr/local/pgsql/include/server/ -I./postgis-1.1.6/lwgeom/ -
> c foo.c
>
> cc -bundle -flat_namespace -undefined suppress -o libfoo.so foo.o;
Missing -llwgeom ?
Also -rpath might be useful as liblwgeom is likely *not* in your
default path.
Check with 'ldd' (or whatever apple changed it to)
--strk;
From benny.jonsson at ilr.uni-bonn.de Thu Nov 16 05:30:03 2006
From: benny.jonsson at ilr.uni-bonn.de (Benny Jonsson)
Date: Thu, 16 Nov 2006 14:30:03 +0100
Subject: [postgis-users] C compiler cannot create executables UBUNTU-SERVER
Message-ID: <455C67DB.90106@ilr.uni-bonn.de>
Hi,
I have some problem with installing postgis under UBUNTU. I'm using this
howto
http://postgis.refractions.net/support/wiki/index.php?PostgisOnUbuntu
but i get the following error:
checking for C compiler default output file name... configure: error: C
compiler cannot create executables
when i execute
./configure
Anyone have a clue?
/Benny
From kwythers at umn.edu Thu Nov 16 05:47:11 2006
From: kwythers at umn.edu (Kirk R. Wythers)
Date: Thu, 16 Nov 2006 07:47:11 -0600
Subject: [postgis-users] extending a database with another table
In-Reply-To: <029d01c708be$7ca40180$0601a8c0@ariane.tractebel.be>
References: <029d01c708be$7ca40180$0601a8c0@ariane.tractebel.be>
Message-ID: <F671CE41-4407-4FBB-B802-567E2C27EB46@umn.edu>
Thanks for your patience Jan.
krw
On Nov 15, 2006, at 8:01 AM, Jan Syryn wrote:
> Your question has nothing to do with PostGis problems, but is merely a
> general DB design problem.
>
> But because we are all nice guysz all together:
>
> Don't add a table 'airports'.
> Just extend station with a column stationtype_id(char 1) that
> points (fk) to
> another table
> 'stationtype'.
> Stationtype with id(char1) and stationtype_name(varchar(20))
> Fill it with ('S' ; 'Station') and ('A', 'Airport')
>
> Problem solved.
>
> You want solar and climate for airports:
> SELECT climate.*, solar.*
> FROM climate,solar,station
> WHERE climate.station_id = station.station_id
> AND solar.station_id = station.station_id
> AND station.stationtype_id='A'
>
> Replace 'A' by 'S' for stations.
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Kirk R.
> Wythers
> Sent: mardi 14 novembre 2006 21:49
> To: PostGIS Discussion Users
> Subject: [postgis-users] extending a database with another table
>
> I am looking for suggestions on database design.
>
> I have a simple three table database that holds climate data. The
> first
> table (stations) holds station id, and geoposition information.
> The second table (climate) holds temp and precip information, and
> the third
> table (solar) holds solar radiation data. The column station_id
> acts as a
> foreign key to link the tables.
>
> My trouble is that I need to add a forth table (airports) that in
> the same
> manner as "stations" in that it contains a station_id number, on
> which data
> lines from "solar" and "climate" key off of. The goal here is to be
> able to
> differentiate solar data from airports and solar data from the
> stations.
>
> Below are the three current tables (stations, climate, and solar).
> Any ideas would be most appreciated.
>
> met_data=# \d stations
> Table "public.stations"
> Column | Type | Modifiers
> -----------------+-------------------+-----------
> station_id | integer | not null
> station_name | character varying |
> state | character varying |
> lat | double precision |
> lon | double precision |
> the_geom_lonlat | geometry |
> the_geom_meters | geometry |
> Indexes:
> "stations_pkey" PRIMARY KEY, btree (station_id)
> "stations_station_id_key" UNIQUE, btree (station_id) Check
> constraints:
> "enforce_dims_the_geom_lonlat" CHECK (ndims(the_geom_lonlat) = 2)
> "enforce_dims_the_geom_meters" CHECK (ndims(the_geom_meters) = 2)
> "enforce_geotype_the_geom_lonlat" CHECK (geometrytype
> (the_geom_lonlat) = 'POINT'::text OR the_geom_lonlat IS NULL)
> "enforce_geotype_the_geom_meters" CHECK (geometrytype
> (the_geom_meters) = 'POINT'::text OR the_geom_meters IS NULL)
> "enforce_srid_the_geom_lonlat" CHECK (srid(the_geom_lonlat) =
> 4269)
> "enforce_srid_the_geom_meters" CHECK (srid(the_geom_meters) =
> 32661)
>
>
> met_data=# \d climate
> Table "public.climate"
> Column | Type | Modifiers
> ------------+----------+-----------
> station_id | integer |
> year | smallint |
> month | smallint |
> day | smallint |
> doy | smallint |
> date | date |
> precip | real |
> tmin | real |
> tmax | real |
> Foreign-key constraints:
> "climatefk" FOREIGN KEY (station_id) REFERENCES stations
> (station_id)
>
> met_data=# \d solar
> Table "public.solar"
> Column | Type | Modifiers
> ------------+----------+-----------
> station_id | integer |
> year | smallint |
> month | smallint |
> day | smallint |
> doy | smallint |
> date | date |
> solar | real |
> Foreign-key constraints:
> "solarfk" FOREIGN KEY (station_id) REFERENCES stations
> (station_id)
>
>
>
>
>
>
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From madhadron at gmail.com Thu Nov 16 05:49:38 2006
From: madhadron at gmail.com (Frederick Ross)
Date: Thu, 16 Nov 2006 08:49:38 -0500
Subject: [postgis-users] C compiler cannot create executables UBUNTU-SERVER
In-Reply-To: <455C67DB.90106@ilr.uni-bonn.de>
References: <455C67DB.90106@ilr.uni-bonn.de>
Message-ID: <b91043270611160549k277dbd03gf3644d44b13aed8e@mail.gmail.com>
You need to install the development tools, which are not default on
Ubuntu. The package is build-essentials. You may have to add a few
things on top of that, but configure should complain about them
individually.
On 11/16/06, Benny Jonsson <benny.jonsson at ilr.uni-bonn.de> wrote:
> Hi,
> I have some problem with installing postgis under UBUNTU. I'm using this
> howto
> http://postgis.refractions.net/support/wiki/index.php?PostgisOnUbuntu
> but i get the following error:
>
> checking for C compiler default output file name... configure: error: C
> compiler cannot create executables
>
> when i execute
> ./configure
>
> Anyone have a clue?
>
> /Benny
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Frederick Ross
Graduate Fellow, (|Siggia> + |McKinney>)/sqrt(2) Lab
The Rockefeller University
Je ne suis pas Fred Cross!
From benny.jonsson at ilr.uni-bonn.de Thu Nov 16 05:54:45 2006
From: benny.jonsson at ilr.uni-bonn.de (Benny Jonsson)
Date: Thu, 16 Nov 2006 14:54:45 +0100
Subject: [postgis-users] C compiler cannot create executables UBUNTU-SERVER
In-Reply-To: <b91043270611160549k277dbd03gf3644d44b13aed8e@mail.gmail.com>
References: <455C67DB.90106@ilr.uni-bonn.de>
<b91043270611160549k277dbd03gf3644d44b13aed8e@mail.gmail.com>
Message-ID: <455C6DA5.7060609@ilr.uni-bonn.de>
Ok,
but witch are the "development tools"?
apt-get install ????
/Benny
Frederick Ross skrev:
> You need to install the development tools, which are not default on
> Ubuntu. The package is build-essentials. You may have to add a few
> things on top of that, but configure should complain about them
> individually.
>
> On 11/16/06, Benny Jonsson <benny.jonsson at ilr.uni-bonn.de> wrote:
>> Hi,
>> I have some problem with installing postgis under UBUNTU. I'm using this
>> howto
>> http://postgis.refractions.net/support/wiki/index.php?PostgisOnUbuntu
>> but i get the following error:
>>
>> checking for C compiler default output file name... configure: error: C
>> compiler cannot create executables
>>
>> when i execute
>> ./configure
>>
>> Anyone have a clue?
>>
>> /Benny
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>
>
From naptrel at yahoo.co.uk Thu Nov 16 07:26:41 2006
From: naptrel at yahoo.co.uk (Nathaniel)
Date: Thu, 16 Nov 2006 15:26:41 +0000
Subject: [postgis-users] Linking to the PostGIS library
In-Reply-To: <20061116091041.GD9673@keybit.net>
References: <174DE058-A705-4C9E-B271-0DCE85C18068@yahoo.co.uk>
<20061116091041.GD9673@keybit.net>
Message-ID: <425C1DF8-446E-48E8-8404-C8EAE43C783F@yahoo.co.uk>
On 16 Nov 2006, at 09:10, strk at refractions.net wrote:
> Missing -llwgeom ?
> Also -rpath might be useful as liblwgeom is likely *not* in your
> default path.
> Check with 'ldd' (or whatever apple changed it to)
Thanks strk for the reply. I used your suggestions to fuel more
internet searches, and it seems it's not that simple on the mac
(anyone surprised?) In case someone in the future has similar
problems and stumbles upon this thread, here's what I've found so far:
On the mac, postgres needs what Apple calls a "bundle" (aka "loadable
module"), which is a form of dynamic library. This is a tad different
from your standard unixian shared lib. For one, bundles seem to have
a significant limitation: you can't link against them (at least
according to <http://fink.sourceforge.net/doc/porting/shared.php> )!
This explains why I've struggled for hours to build my
library...achem, I mean bundle....against the PostGIS liblwgeom.so
bundle.
You can build proper, dynamic shared libs on the mac (using -
dynamiclib flag to gcc). The generic Postgres module makefile
(Makefile.shlib), as used by PostGIS, even teasingly comes with a
flag (DLTYPE), that if set to "library", looks as though it should
build one of these. So I thought, if I could build PostGIS as a
proper dynamic, shared library rather than a bundle, I could link my
code against it. (I didn't care if I had to have both liblwgeom.so
and liblwgeom.dylib sitting in /usr/local/pgsql/lib/, the former for
function calls to the postgis module, the latter for calls to mine).
Permitting myself to hack only a handful of lines I couldn't get
PostGIS to successfully build a ".dylib" that I could build against.
Changing lots of build or source code would make upgrading PostGIS
prohibitively time-consuming.
But I did find a simple, if less-than-satisfactory, one line
solution: merge my library (compiled into myfoo.o, say) into the
PostGIS build!
In lwgeom/Makefile:
OBJS=$(SA_OBJS) liblwgeom.o [...] long_xact.o myfoo.o
Then, change my SQL function definitions to point to "liblwgeom"
rather than "libmyfoo" and I'm off. Thanks again
Send instant messages to your online friends http://uk.messenger.yahoo.com
From sandeepkumar.jakkaraju at gmail.com Thu Nov 16 07:30:01 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Thu, 16 Nov 2006 21:00:01 +0530
Subject: [postgis-users] Hibernate with PostGIS
Message-ID: <c653c98f0611160730o74a096e0g66eb314cf3194205@mail.gmail.com>
Hi All
I want to know if i can use Hibernate with PostGIS ??
if yes ..then can some one point me to some doc which tells abt this !!
I am just skeptical about the geometry column !!
Thanks
Sandeep
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From nbarker at ittvis.com Thu Nov 16 07:38:51 2006
From: nbarker at ittvis.com (Norman Barker)
Date: Thu, 16 Nov 2006 15:38:51 -0000
Subject: [postgis-users] Hibernate with PostGIS
Message-ID: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com>
Sandeep,
To use JBoss EJB3 with PostGIS I had to write a Hibernate Geometry
Driver, the source code is in PostGIS SVN (LGPL) and there is a tutorial
available here
-
http://postgis.refractions.net/support/wiki/index.php?SpatialEJB3
It allows creation and updates through Java, the tutorial walks you
through a simple SOAP example.
I am very interested in using the hibernate lucene annotations
(http://www.hibernate.org/hib_docs/annotations/reference/en/html/lucene.
html) in conjunction with the Geometry driver to create some sort of
catalog; so that we can do a proper geometry search on PostGIS through
the business layer (not just boxes!) and then seach on metadata with
Lucene.
A couple of people have expressed interest in this hibernate geometry
driver for Java, please give me some feedback on the future direction
you want this to go.
Thanks,
Norman
________________________________
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Sandeep Kumar Jakkaraju
Sent: 16 November 2006 15:30
To: PostGIS Users Discussion
Subject: [postgis-users] Hibernate with PostGIS
Hi All
I want to know if i can use Hibernate with PostGIS ??
if yes ..then can some one point me to some doc which tells abt this !!
I am just skeptical about the geometry column !!
Thanks
Sandeep
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From erics at ameri-title.com Thu Nov 16 09:57:06 2006
From: erics at ameri-title.com (Eric Shuman)
Date: Thu, 16 Nov 2006 09:57:06 -0800
Subject: [postgis-users] Spatial Join Performance
Message-ID: <KMEIKNPGBOLILGCIHBLCMEBCCBAA.erics@ameri-title.com>
Paul,
Your analysis of my scenario is correct. Most tax lot polygons are small and
relatively simple compared to the zone polygons. Though in some cases the
lots can be big and cover more than one zone.
So is the query I am using correct or is there something I can add to work
around this issue?
Thanks for the help!
---------------
Eric Shuman
From sandeepkumar.jakkaraju at gmail.com Thu Nov 16 09:58:10 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Thu, 16 Nov 2006 23:28:10 +0530
Subject: [postgis-users] Hibernate with PostGIS
In-Reply-To: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com>
References: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com>
Message-ID: <c653c98f0611160958x2f8745c6n5dcf33ea13539c95@mail.gmail.com>
Hi Norman
For using Hibernate with postgis ..i can directly use ur postgis.jar !!
right ...??
Your Tutorial mainly aimed at using EJB3 with postgis ...
did u think of using Spring instead of EJB3 !! ??
Thanks
Sandeep
On 11/16/06, Norman Barker <nbarker at ittvis.com> wrote:
>
> Sandeep,
>
>
>
> To use JBoss EJB3 with PostGIS I had to write a Hibernate Geometry Driver,
> the source code is in PostGIS SVN (LGPL) and there is a tutorial available
> here
>
> -
> http://postgis.refractions.net/support/wiki/index.php?SpatialEJB3
>
>
>
> It allows creation and updates through Java, the tutorial walks you
> through a simple SOAP example.
>
>
>
> I am very interested in using the hibernate lucene annotations (
> http://www.hibernate.org/hib_docs/annotations/reference/en/html/lucene.html)
> in conjunction with the Geometry driver to create some sort of catalog; so
> that we can do a proper geometry search on PostGIS through the business
> layer (not just boxes!) and then seach on metadata with Lucene.
>
>
>
> A couple of people have expressed interest in this hibernate geometry
> driver for Java, please give me some feedback on the future direction you
> want this to go.
>
>
>
> Thanks,
>
>
>
> Norman
>
>
> ------------------------------
>
> *From:* postgis-users-bounces at postgis.refractions.net [mailto:
> postgis-users-bounces at postgis.refractions.net] *On Behalf Of *Sandeep
> Kumar Jakkaraju
> *Sent:* 16 November 2006 15:30
> *To:* PostGIS Users Discussion
> *Subject:* [postgis-users] Hibernate with PostGIS
>
>
>
> Hi All
>
> I want to know if i can use Hibernate with PostGIS ??
> if yes ..then can some one point me to some doc which tells abt this !!
>
> I am just skeptical about the geometry column !!
>
> Thanks
> Sandeep
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From edylan at google.com Thu Nov 16 12:57:40 2006
From: edylan at google.com (Dylan Lorimer)
Date: Thu, 16 Nov 2006 12:57:40 -0800
Subject: [postgis-users] Re: POLYGON from MULTIPOLYGON
In-Reply-To: <FB40DFE2-B038-477B-9C72-211C590D6585@refractions.net>
References: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com>
<3ddac38d0611151457g3f51c6a5o11d360e04e108901@mail.gmail.com>
<FB40DFE2-B038-477B-9C72-211C590D6585@refractions.net>
Message-ID: <3ddac38d0611161257o1dae57bv10953bd1fa0909cb@mail.gmail.com>
Thanks Paul!
Last followup question:
Do you think, in your experience, that it is faster to go from PostGIS to
JTS object via:
1) casting binary PostGIS object to PGgeometr and then parsing it to create
a JTS object
2) Using the JTS WKT Reader on the AsText(...) from the Spatial SQL?
Cheers,
-dylan
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From pramsey at refractions.net Thu Nov 16 14:26:01 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Thu, 16 Nov 2006 14:26:01 -0800
Subject: [postgis-users] Spatial Join Performance
In-Reply-To: <KMEIKNPGBOLILGCIHBLCMEBCCBAA.erics@ameri-title.com>
References: <KMEIKNPGBOLILGCIHBLCMEBCCBAA.erics@ameri-title.com>
Message-ID: <455CE579.7090103@refractions.net>
Eric,
You could replace your Contains(A,B) with
Distance(A,B) < 0.001, which will run a shorter calculation faster
(until we add a short-circuit to Contains()).
Otherwise your query looks pretty good. If your tables are relatively
constant, clustering them will speed things up marginally, and make sure
you've increased your PgSQL settings above the (tiny tiny) defaults.
http://www.varlena.com/GeneralBits/Tidbits/perf.html
Eric Shuman wrote:
> Paul,
>
> Your analysis of my scenario is correct. Most tax lot polygons are small and
> relatively simple compared to the zone polygons. Though in some cases the
> lots can be big and cover more than one zone.
>
> So is the query I am using correct or is there something I can add to work
> around this issue?
>
>
> Thanks for the help!
>
> ---------------
> Eric Shuman
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From pramsey at refractions.net Thu Nov 16 14:28:04 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Thu, 16 Nov 2006 14:28:04 -0800
Subject: [postgis-users] Re: POLYGON from MULTIPOLYGON
In-Reply-To: <3ddac38d0611161257o1dae57bv10953bd1fa0909cb@mail.gmail.com>
References: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com> <3ddac38d0611151457g3f51c6a5o11d360e04e108901@mail.gmail.com> <FB40DFE2-B038-477B-9C72-211C590D6585@refractions.net>
<3ddac38d0611161257o1dae57bv10953bd1fa0909cb@mail.gmail.com>
Message-ID: <455CE5F4.9040909@refractions.net>
None of the above. The fastest way is to use
encode(asbinary(the_geom),'base64')
when pulling the geometry, use Java's own base64 decoder and then the
JTS WKB reader.
Paul
Dylan Lorimer wrote:
> Thanks Paul!
>
> Last followup question:
>
> Do you think, in your experience, that it is faster to go from PostGIS
> to JTS object via:
>
> 1) casting binary PostGIS object to PGgeometr and then parsing it to
> create a JTS object
> 2) Using the JTS WKT Reader on the AsText(...) from the Spatial SQL?
>
> Cheers,
> -dylan
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From edylan at google.com Thu Nov 16 14:32:20 2006
From: edylan at google.com (Dylan Lorimer)
Date: Thu, 16 Nov 2006 14:32:20 -0800
Subject: [postgis-users] Re: POLYGON from MULTIPOLYGON
In-Reply-To: <455CE5F4.9040909@refractions.net>
References: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com>
<3ddac38d0611151457g3f51c6a5o11d360e04e108901@mail.gmail.com>
<FB40DFE2-B038-477B-9C72-211C590D6585@refractions.net>
<3ddac38d0611161257o1dae57bv10953bd1fa0909cb@mail.gmail.com>
<455CE5F4.9040909@refractions.net>
Message-ID: <3ddac38d0611161432w3e2cbee7jeb0d07543002d6b3@mail.gmail.com>
Do you mean to use JTS WKT reader...? As there doesn't appear to be WKB
reader.
http://www.vividsolutions.com/jts/javadoc/index.html
-dylan
On 11/16/06, Paul Ramsey <pramsey at refractions.net> wrote:
>
> None of the above. The fastest way is to use
>
> encode(asbinary(the_geom),'base64')
>
> when pulling the geometry, use Java's own base64 decoder and then the
> JTS WKB reader.
>
> Paul
>
> Dylan Lorimer wrote:
> > Thanks Paul!
> >
> > Last followup question:
> >
> > Do you think, in your experience, that it is faster to go from PostGIS
> > to JTS object via:
> >
> > 1) casting binary PostGIS object to PGgeometr and then parsing it to
> > create a JTS object
> > 2) Using the JTS WKT Reader on the AsText(...) from the Spatial SQL?
> >
> > Cheers,
> > -dylan
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
E. Dylan Lorimer | Google Earth Enterprise
650.253.2459 (O) | 650.862.6810 (M) | 650.644.0182 (F)
--------------------------------------------------------------------------------
Earth Enterprise Support: fusion at google.com | 866.4GO.OGLE ext. 4
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From edylan at google.com Thu Nov 16 14:50:42 2006
From: edylan at google.com (Dylan Lorimer)
Date: Thu, 16 Nov 2006 14:50:42 -0800
Subject: [postgis-users] Re: POLYGON from MULTIPOLYGON
In-Reply-To: <3ddac38d0611161432w3e2cbee7jeb0d07543002d6b3@mail.gmail.com>
References: <3ddac38d0611151443y63336c57nd814279414db7b9d@mail.gmail.com>
<3ddac38d0611151457g3f51c6a5o11d360e04e108901@mail.gmail.com>
<FB40DFE2-B038-477B-9C72-211C590D6585@refractions.net>
<3ddac38d0611161257o1dae57bv10953bd1fa0909cb@mail.gmail.com>
<455CE5F4.9040909@refractions.net>
<3ddac38d0611161432w3e2cbee7jeb0d07543002d6b3@mail.gmail.com>
Message-ID: <3ddac38d0611161450p3dedc3etd6264083a8000afa@mail.gmail.com>
Ah, never mind. Looks like those docs are outdated but my Jar has a WKB
reader.
Cheers Paul.
-dylan
On 11/16/06, Dylan Lorimer <edylan at google.com> wrote:
>
> Do you mean to use JTS WKT reader...? As there doesn't appear to be WKB
> reader.
> http://www.vividsolutions.com/jts/javadoc/index.html
> -dylan
>
> On 11/16/06, Paul Ramsey <pramsey at refractions.net> wrote:
> >
> > None of the above. The fastest way is to use
> >
> > encode(asbinary(the_geom),'base64')
> >
> > when pulling the geometry, use Java's own base64 decoder and then the
> > JTS WKB reader.
> >
> > Paul
> >
> > Dylan Lorimer wrote:
> > > Thanks Paul!
> > >
> > > Last followup question:
> > >
> > > Do you think, in your experience, that it is faster to go from PostGIS
> > > to JTS object via:
> > >
> > > 1) casting binary PostGIS object to PGgeometr and then parsing it to
> > > create a JTS object
> > > 2) Using the JTS WKT Reader on the AsText(...) from the Spatial SQL?
> > >
> > > Cheers,
> > > -dylan
> > >
> > >
> > >
> > ------------------------------------------------------------------------
> > >
> > > _______________________________________________
> > > postgis-users mailing list
> > > postgis-users at postgis.refractions.net
> > > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
>
>
>
> --
> E. Dylan Lorimer | Google Earth Enterprise
> 650.253.2459 (O) | 650.862.6810 (M) | 650.644.0182 (F)
>
> --------------------------------------------------------------------------------
> Earth Enterprise Support: fusion at google.com | 866.4GO.OGLE ext. 4
>
--
E. Dylan Lorimer | Google Earth Enterprise
650.253.2459 (O) | 650.862.6810 (M) | 650.644.0182 (F)
--------------------------------------------------------------------------------
Earth Enterprise Support: fusion at google.com | 866.4GO.OGLE ext. 4
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From sdc at sdc.com.au Thu Nov 16 15:15:53 2006
From: sdc at sdc.com.au (Stephen Davies)
Date: Fri, 17 Nov 2006 09:45:53 +1030
Subject: [postgis-users] SRID for Saudi Arabia
Message-ID: <200611170945.53644.sdc@sdc.com.au>
Could somebody please point me at the correct (latlong) SRID for the
Riyadh region of Saudi Arabia.
Cheers and thanks,
Stephen Davies
--
========================================================================
This email is for the person(s) identified above, and is confidential to
the sender and the person(s). No one else is authorised to use or
disseminate this email or its contents.
Stephen Davies Consulting Voice: 08-8177 1595
Adelaide, South Australia. Fax: 08-8177 0133
Computing & Network solutions. Mobile:0403 0405 83
From punkish at eidesis.org Thu Nov 16 16:49:58 2006
From: punkish at eidesis.org (P Kishor)
Date: Thu, 16 Nov 2006 18:49:58 -0600
Subject: [postgis-users] dynamic segmentation
Message-ID: <cdf6db500611161649o7a577a32he896024ecec68ba9@mail.gmail.com>
Someone asked me recently about open source dynamic segmentation
solutions. I thought, let's ask the PostGIS community. Is this
possible with PostGIS? If not, does anyone know of other open source
solutions for ds?
--
Puneet Kishor http://punkish.eidesis.org/
Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
Open Source Geospatial Foundation https://edu.osgeo.org/
-------------------------------------------------------------------------------------------------------
collaborate, communicate, compete
====================================================
From woodbri at swoodbridge.com Thu Nov 16 16:53:56 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Thu, 16 Nov 2006 19:53:56 -0500
Subject: [postgis-users] dynamic segmentation
In-Reply-To: <cdf6db500611161649o7a577a32he896024ecec68ba9@mail.gmail.com>
References: <cdf6db500611161649o7a577a32he896024ecec68ba9@mail.gmail.com>
Message-ID: <455D0824.2010808@swoodbridge.com>
P Kishor wrote:
> Someone asked me recently about open source dynamic segmentation
> solutions. I thought, let's ask the PostGIS community. Is this
> possible with PostGIS? If not, does anyone know of other open source
> solutions for ds?
>
Can you describe what dynamic segmentation is?
What is the algorithm?
I guess I can google for it ...
-Steve
From punkish at eidesis.org Thu Nov 16 16:56:53 2006
From: punkish at eidesis.org (P Kishor)
Date: Thu, 16 Nov 2006 18:56:53 -0600
Subject: [postgis-users] dynamic segmentation
In-Reply-To: <455D0824.2010808@swoodbridge.com>
References: <cdf6db500611161649o7a577a32he896024ecec68ba9@mail.gmail.com>
<455D0824.2010808@swoodbridge.com>
Message-ID: <cdf6db500611161656sa3cdba9m7abae5a2ed7d58f3@mail.gmail.com>
On 11/16/06, Stephen Woodbridge <woodbri at swoodbridge.com> wrote:
> P Kishor wrote:
> > Someone asked me recently about open source dynamic segmentation
> > solutions. I thought, let's ask the PostGIS community. Is this
> > possible with PostGIS? If not, does anyone know of other open source
> > solutions for ds?
> >
>
> Can you describe what dynamic segmentation is?
> What is the algorithm?
> I guess I can google for it ...
>
I don't know the algorithm, but among the many definitions, dynamic
segmentation allows analysis and mapping of linear features based on
their positions along a route. Another definition says that it is "the
process of computing the locations of events on linear features at run
time based on event tables for which distance measures are available."
Used in linear reference systems (LRS), typically for roads and
transportation networks analysis.
--
Puneet Kishor http://punkish.eidesis.org/
Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
Open Source Geospatial Foundation https://edu.osgeo.org/
-------------------------------------------------------------------------------------------------------
collaborate, communicate, compete
====================================================
From woodbri at swoodbridge.com Thu Nov 16 17:04:21 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Thu, 16 Nov 2006 20:04:21 -0500
Subject: [postgis-users] dynamic segmentation
In-Reply-To: <cdf6db500611161656sa3cdba9m7abae5a2ed7d58f3@mail.gmail.com>
References: <cdf6db500611161649o7a577a32he896024ecec68ba9@mail.gmail.com> <455D0824.2010808@swoodbridge.com>
<cdf6db500611161656sa3cdba9m7abae5a2ed7d58f3@mail.gmail.com>
Message-ID: <455D0A95.3070205@swoodbridge.com>
P Kishor wrote:
> On 11/16/06, Stephen Woodbridge <woodbri at swoodbridge.com> wrote:
>> P Kishor wrote:
>> > Someone asked me recently about open source dynamic segmentation
>> > solutions. I thought, let's ask the PostGIS community. Is this
>> > possible with PostGIS? If not, does anyone know of other open source
>> > solutions for ds?
>> >
>>
>> Can you describe what dynamic segmentation is?
>> What is the algorithm?
>> I guess I can google for it ...
>>
>
> I don't know the algorithm, but among the many definitions, dynamic
> segmentation allows analysis and mapping of linear features based on
> their positions along a route. Another definition says that it is "the
> process of computing the locations of events on linear features at run
> time based on event tables for which distance measures are available."
> Used in linear reference systems (LRS), typically for roads and
> transportation networks analysis.
>
Ok, well google has a bunch. It seems that you need to have a route
first, then dynamic segmentation just means you can reference a point
along the route based on distance or cost to get to that point.
For geocoding, a house is some percent of the distance along a segment.
So I guess the question is, what are you asking for? A routing engine,
check out pg_dijkstra, I'm not sure if it has the ability to do dynamic
segmentation.
In a simpler view, if you have the sum of the segments lengths along a
path, and the percentage along the first and the last segment, then you
have dynamic segmentation.
-Steve
From pcreso at pcreso.com Thu Nov 16 18:36:03 2006
From: pcreso at pcreso.com (Brent Wood)
Date: Thu, 16 Nov 2006 18:36:03 -0800 (PST)
Subject: [postgis-users] dynamic segmentation
In-Reply-To: <455D0A95.3070205@swoodbridge.com>
Message-ID: <820736.88567.qm@web33203.mail.mud.yahoo.com>
P Kishor wrote:
> Someone asked me recently about open source dynamic segmentation
> solutions. I thought, let's ask the PostGIS community. Is this
> possible with PostGIS? If not, does anyone know of other open source
> solutions for ds?
It sort of depende what you do with dynamic segmentation, some is easily doable
with PostGIS, other stuff is harder.
For example, having a single line feature, representing say, a pipeline.
DS can allow various segments of this to have some different attributes, like
identifying steel & concrete, or above ground & underground sections. You can't
do this quite the same way in PostGIS, but having separate features with a
common attribute, such as 5 separate line segments with a common pipeline_id,
as well as a multiline/geometrycollection representing the composite feature
means you can achieve comparable functionality using appropriate SQL & data
structures.
So does PostGIS "do" dynamic segmentation? Strictly speaking, not really.
Can functionality equivalent to dynamic segmentation be implemented using
PostGIS? Quite often yes.
Cheers,
Brent Wood
____________________________________________________________________________________
Sponsored Link
Mortgage rates near 39yr lows.
$510k for $1,698/mo. Calculate new payment!
www.LowerMyBills.com/lre
From mike at fuhr.org Thu Nov 16 22:14:01 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Thu, 16 Nov 2006 23:14:01 -0700
Subject: [postgis-users] SRID for Saudi Arabia
In-Reply-To: <200611170945.53644.sdc@sdc.com.au>
References: <200611170945.53644.sdc@sdc.com.au>
Message-ID: <20061117061401.GA77875@winnie.fuhr.org>
On Fri, Nov 17, 2006 at 09:45:53AM +1030, Stephen Davies wrote:
> Could somebody please point me at the correct (latlong) SRID for the
> Riyadh region of Saudi Arabia.
Only the originator of the data would know for sure. Maybe the
data is WGS 84 (SRID 4326) or maybe not.
--
Michael Fuhr
From mike at fuhr.org Thu Nov 16 22:58:39 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Thu, 16 Nov 2006 23:58:39 -0700
Subject: [postgis-users] Problem building postgis
In-Reply-To: <000b01c707a4$764bd260$6401a8c0@GUITAR>
References: <000b01c707a4$764bd260$6401a8c0@GUITAR>
Message-ID: <20061117065839.GA84517@winnie.fuhr.org>
On Mon, Nov 13, 2006 at 11:22:14PM -0500, John Daly wrote:
> I'm a new list subscriber and I'd like to say hello to all, and also, of
> course, introduce my first problem using postgis. I'm trying to build
> postgis on Redhat 9, with Postgres version 8.1.5 and postgis ver 1.1.6.
> I'm getting the build errors shown below:
>
> lwgeom_gist.c:547:1: directives may not be used inside a macro argument
Does the attached patch fix the problem?
--
Michael Fuhr
-------------- next part --------------
Index: lwgeom/lwgeom_gist.c
===================================================================
--- lwgeom/lwgeom_gist.c (revision 2528)
+++ lwgeom/lwgeom_gist.c (working copy)
@@ -542,14 +542,17 @@
if (in != (PG_LWGEOM*)DatumGetPointer(entry->key))
pfree(in); /* PG_FREE_IF_COPY */
+#if USE_VERSION >= 82
gistentryinit(*retval, PointerGetDatum(rr),
entry->rel, entry->page,
-#if USE_VERSION >= 82
entry->offset,
+ FALSE);
#else
+ gistentryinit(*retval, PointerGetDatum(rr),
+ entry->rel, entry->page,
entry->offset, sizeof(BOX2DFLOAT4),
+ FALSE);
#endif
- FALSE);
}
else
@@ -557,10 +560,12 @@
#ifdef PGIS_DEBUG_GIST4
elog(NOTICE,"GIST: LWGEOM_gist_compress got a NULL key");
#endif
+
+#if USE_VERSION >= 82
gistentryinit(*retval, (Datum) 0, entry->rel,
-#if USE_VERSION >= 82
entry->page, entry->offset, FALSE);
#else
+ gistentryinit(*retval, (Datum) 0, entry->rel,
entry->page, entry->offset, 0, FALSE);
#endif
}
From Horst.Duester at bd.so.ch Thu Nov 16 23:43:17 2006
From: Horst.Duester at bd.so.ch (=?ISO-8859-1?Q?D=FCster_Horst?=)
Date: Fri, 17 Nov 2006 08:43:17 +0100
Subject: AW: Re: [postgis-users] dynamic segmentation
Message-ID: <H00002eb004b1c74.1163749397.SRSOFAIOI6145.ktso.ch@MHS>
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From jsubei at yahoo.fr Fri Nov 17 02:18:54 2006
From: jsubei at yahoo.fr (Norbert)
Date: Fri, 17 Nov 2006 10:18:54 +0000 (GMT)
Subject: [postgis-users] why a longitude like 180 are not valid in WGS84 in
postgis ?
Message-ID: <20061117101854.93562.qmail@web26214.mail.ukl.yahoo.com>
Hi all,
Can you explain to me why a point like POINT(-54.51 158.93) is not valid in wgs84 / srid 4326 in PostGIS and make a conflict "enforce_srid_coordinates" ?
What's the error and solution ?
thanks in advance,
Norbert
___________________________________________________________________________
D?couvrez une nouvelle fa?on d'obtenir des r?ponses ? toutes vos questions !
Profitez des connaissances, des opinions et des exp?riences des internautes sur Yahoo! Questions/R?ponses
http://fr.answers.yahoo.com
From guido.lemoine at jrc.it Fri Nov 17 02:26:22 2006
From: guido.lemoine at jrc.it (Guido Lemoine)
Date: Fri, 17 Nov 2006 11:26:22 +0100
Subject: [postgis-users] why a longitude like 180 are not valid in WGS84
in postgis ?
In-Reply-To: <20061117101854.93562.qmail@web26214.mail.ukl.yahoo.com>
References: <20061117101854.93562.qmail@web26214.mail.ukl.yahoo.com>
Message-ID: <455D8E4E.7060606@jrc.it>
try POINT (158.93 -54.51)
Notation is in X Y = LON LAT! 158.93 is far beyond the North Pole :-)
GL
Norbert wrote:
>Hi all,
>
>Can you explain to me why a point like POINT(-54.51 158.93) is not valid in wgs84 / srid 4326 in PostGIS and make a conflict "enforce_srid_coordinates" ?
>
>What's the error and solution ?
>
>thanks in advance,
>
>Norbert
>
>
>
>
>
>
>
>
>___________________________________________________________________________
>D?couvrez une nouvelle fa?on d'obtenir des r?ponses ? toutes vos questions !
>Profitez des connaissances, des opinions et des exp?riences des internautes sur Yahoo! Questions/R?ponses
>http://fr.answers.yahoo.com
>_______________________________________________
>postgis-users mailing list
>postgis-users at postgis.refractions.net
>http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
--
----------------------------------------------------------------
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From jsubei at yahoo.fr Fri Nov 17 02:45:53 2006
From: jsubei at yahoo.fr (Norbert)
Date: Fri, 17 Nov 2006 10:45:53 +0000 (GMT)
Subject: RESOLVED Re : [postgis-users] why a longitude like 180 are not valid
in WGS84 in postgis ?
Message-ID: <20061117104553.33541.qmail@web26212.mail.ukl.yahoo.com>
;-) I'a really beginner !
yes ok, my problem was the use of conversion fonction GeometryFromText()
We have to explicitly set the srid, even if the postgis/database column is already specified with a specific srid.
example :
GeometryFromText('POINT(long lat)') or GeometryFromText('POINT(long lat)', -1) will not work
GeometryFromText('POINT(long lat)', 4326) work.
==> GeometryFromText() it's not a contextual function !
(and GeometryFromText('POINT(-54 158)', 4326) work too ! but lot of thanks Guido)
----- Message d'origine ----
De : Guido Lemoine <guido.lemoine at jrc.it>
? : PostGIS Users Discussion <postgis-users at postgis.refractions.net>
Envoy? le : Vendredi, 17 Novembre 2006, 11h26mn 22s
Objet : Re: [postgis-users] why a longitude like 180 are not valid in WGS84 in postgis ?
try POINT (158.93 -54.51)
Notation is in X Y = LON LAT! 158.93 is far beyond the North Pole :-)
GL
Norbert wrote:
>Hi all,
>
>Can you explain to me why a point like POINT(-54.51 158.93) is not valid in wgs84 / srid 4326 in PostGIS and make a conflict "enforce_srid_coordinates" ?
>
>What's the error and solution ?
>
>thanks in advance,
>
>Norbert
>
>
>
>
>
>
>
>
>___________________________________________________________________________
>D?couvrez une nouvelle fa?on d'obtenir des r?ponses ? toutes vos questions !
>Profitez des connaissances, des opinions et des exp?riences des internautes sur Yahoo! Questions/R?ponses
>http://fr.answers.yahoo.com
>_______________________________________________
>postgis-users mailing list
>postgis-users at postgis.refractions.net
>http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
--
----------------------------------------------------------------
Joint Research Centre, European Commission
Institute for the Protection and Security of the Citizen (IPSC)
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From pramsey at refractions.net Thu Nov 16 21:16:53 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Thu, 16 Nov 2006 21:16:53 -0800
Subject: [postgis-users] dynamic segmentation
In-Reply-To: <cdf6db500611161656sa3cdba9m7abae5a2ed7d58f3@mail.gmail.com>
References: <cdf6db500611161649o7a577a32he896024ecec68ba9@mail.gmail.com> <455D0824.2010808@swoodbridge.com>
<cdf6db500611161656sa3cdba9m7abae5a2ed7d58f3@mail.gmail.com>
Message-ID: <455D45C5.2080102@refractions.net>
As with many things, the terminological environment has been muddied by
the conflation of specific ESRI terms for particular features with
generic terms for the similar things. Call it the "Chesterfield effect".
ESRI "Dynamic segmentation" is really just "linear referencing of
vectors and associated attributes".
ESRI "Geodatabase" is "a database with a bunch of extra tables defined
by and understood almost exclusively by ESRI"
ESRI "Coverage" is a "vector topology that covers an area" (ever wonder
why the OGC Web Coverage Server specification is about delivering
*raster* data, not vector topologies? because most people have a
different understanding of the word than us GIS brainwashees).
ESRI "Topology" is a "middleware enforcement of spatial relationship rules"
ESRI rules the intellectual world of GIS people so thoroughly that they
define the very limits of the possible. Just last week someone told me
"oh, editing features over the web? the only way to do that is with
ArcGIS Server". The *only* way, and said with complete certainty. You
don't want to argue with people like that, it seems almost rude, like
arguing with people about religion.
P
P Kishor wrote:
> On 11/16/06, Stephen Woodbridge <woodbri at swoodbridge.com> wrote:
>> P Kishor wrote:
>> > Someone asked me recently about open source dynamic segmentation
>> > solutions. I thought, let's ask the PostGIS community. Is this
>> > possible with PostGIS? If not, does anyone know of other open source
>> > solutions for ds?
>> >
>>
>> Can you describe what dynamic segmentation is?
>> What is the algorithm?
>> I guess I can google for it ...
>>
>
> I don't know the algorithm, but among the many definitions, dynamic
> segmentation allows analysis and mapping of linear features based on
> their positions along a route. Another definition says that it is "the
> process of computing the locations of events on linear features at run
> time based on event tables for which distance measures are available."
> Used in linear reference systems (LRS), typically for roads and
> transportation networks analysis.
>
From tzuberbuehler at datacomm.ch Fri Nov 17 04:53:43 2006
From: tzuberbuehler at datacomm.ch (Thomas Zuberbuehler)
Date: Fri, 17 Nov 2006 13:53:43 +0100
Subject: [postgis-users] BOX2D
Message-ID: <e545098a0611170453v15636520v40e319dce2500ddd@mail.gmail.com>
Hi
Has anybody an idea why follow query does not execute?
select b.* from hikeroutes h, baseedge b where b.the_geom &&
setSRID('BOX2D(h.the_geom2)'::box2d, 21781) and h.id = 148 and
within(b.the_geom, h.the_geom2); -- 21 sec
I get 'ERROR: BOX2DFLOAT4 parser - doesnt start with BOX('.
Thank you.
Regards, Thomas
--
Thomas Zuberbuehler
http://www.zubi.li
From punkish at eidesis.org Fri Nov 17 06:55:32 2006
From: punkish at eidesis.org (P Kishor)
Date: Fri, 17 Nov 2006 08:55:32 -0600
Subject: [postgis-users] dynamic segmentation
In-Reply-To: <455D45C5.2080102@refractions.net>
References: <cdf6db500611161649o7a577a32he896024ecec68ba9@mail.gmail.com>
<455D0824.2010808@swoodbridge.com>
<cdf6db500611161656sa3cdba9m7abae5a2ed7d58f3@mail.gmail.com>
<455D45C5.2080102@refractions.net>
Message-ID: <cdf6db500611170655u6728e02cjd33419db027def62@mail.gmail.com>
On 11/16/06, Paul Ramsey <pramsey at refractions.net> wrote:
> As with many things, the terminological environment has been muddied by
> the conflation of specific ESRI terms for particular features with
> generic terms for the similar things. Call it the "Chesterfield effect".
>
> ESRI "Dynamic segmentation" is really just "linear referencing of
> vectors and associated attributes".
So, between the above, and
http://postgis.refractions.net/docs/ch06.html#id2529854, I can tell
this friend of mine that lrs of vectors and assoc. attributes aka
dynamic segmentation is possible using PostGIS.
And that is most excellent.
--
Puneet Kishor http://punkish.eidesis.org/
Nelson Inst. for Env. Studies, UW-Madison http://www.nelson.wisc.edu/
Open Source Geospatial Foundation https://edu.osgeo.org/
-------------------------------------------------------------------------------------------------------
collaborate, communicate, compete
====================================================
From egouge at refractions.net Fri Nov 17 08:36:33 2006
From: egouge at refractions.net (Emily Gouge)
Date: Fri, 17 Nov 2006 08:36:33 -0800
Subject: [postgis-users] BOX2D
In-Reply-To: <e545098a0611170453v15636520v40e319dce2500ddd@mail.gmail.com>
References: <e545098a0611170453v15636520v40e319dce2500ddd@mail.gmail.com>
Message-ID: <455DE511.8070104@refractions.net>
Try removing the quotes from the BOX2D statement. The quotes cause it to interprets it as a string
and thus it is trying to cast the string "BOX2D(h.the_geom2)" to a box2d object which doesn't make a
lot of sense.
select b.* from hikeroutes h, baseedge b where b.the_geom &&
setSRID(BOX2D(h.the_geom2)::box2d, 21781) and h.id = 148 and
within(b.the_geom, h.the_geom2); -- 21 sec
Emily
Thomas Zuberbuehler wrote:
> Hi
>
> Has anybody an idea why follow query does not execute?
>
> select b.* from hikeroutes h, baseedge b where b.the_geom &&
> setSRID('BOX2D(h.the_geom2)'::box2d, 21781) and h.id = 148 and
> within(b.the_geom, h.the_geom2); -- 21 sec
>
> I get 'ERROR: BOX2DFLOAT4 parser - doesnt start with BOX('.
>
> Thank you.
> Regards, Thomas
>
From nbarker at ittvis.com Fri Nov 17 08:53:57 2006
From: nbarker at ittvis.com (Norman Barker)
Date: Fri, 17 Nov 2006 16:53:57 -0000
Subject: [postgis-users] Hibernate with PostGIS
References: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com>
<c653c98f0611160958x2f8745c6n5dcf33ea13539c95@mail.gmail.com>
Message-ID: <B67A5FB7A8114B47A70517C9C0D102E81407B9@bath.uk.rsinc.com>
Hi Sandeep,
the hibernate driver is at http://svn.refractions.net/postgis/trunk/java/ejb3/src/org/postgis/hibernate/GeometryType.java
and as I understand it this is sufficient for hibernate to persist Geometry types, or use in JBoss EJB3. This hibernate driver in turn uses postgis.jar, which in turn uses the postgresql driver.
There has been a lot said about EJB3 versus Spring with Hibernate (and I have taken your bait!!). I guess it is down to the level (scalable) of the system you want to build and whether you want to follow enterprise standards (EJB3 is the standard that builds on top of the lessons learnt in Hibernate and Spring IoC). I would use either since JPA is also a standard, but I will be looking to port to Geronimo as soon as they get EJB3 to give container options; my reasons for EJB3 were
(1) Scalability via clustering - this is very important for catalogs for disaster / crisis management
(2) Declarative security
(3) Transaction Management (potential WFS)
(4) Stateful sessions (for other parts of my app)
Suddenly I was using more of a J2EE container than a lightweight framework. I would say JBoss is light as well though!
The most important thing here is the Hibernate POJO Geometry Driver for PostGIS, the framework doesn't matter too much. If you want the PostGIS, Hibernate (JBoss EJB3) stack to go into a different direction (Spring) give me a compelling reason - or lets work together to make this stack 'enterprise ready' for the community!
Let me know if you need any help.
Norman
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net on behalf of Sandeep Kumar Jakkaraju
Sent: Thu 11/16/2006 5:58 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Hibernate with PostGIS
Hi Norman
For using Hibernate with postgis ..i can directly use ur postgis.jar !!
right ...??
Your Tutorial mainly aimed at using EJB3 with postgis ...
did u think of using Spring instead of EJB3 !! ??
Thanks
Sandeep
On 11/16/06, Norman Barker <nbarker at ittvis.com> wrote:
>
> Sandeep,
>
>
>
> To use JBoss EJB3 with PostGIS I had to write a Hibernate Geometry Driver,
> the source code is in PostGIS SVN (LGPL) and there is a tutorial available
> here
>
> -
> http://postgis.refractions.net/support/wiki/index.php?SpatialEJB3
>
>
>
> It allows creation and updates through Java, the tutorial walks you
> through a simple SOAP example.
>
>
>
> I am very interested in using the hibernate lucene annotations (
> http://www.hibernate.org/hib_docs/annotations/reference/en/html/lucene.html)
> in conjunction with the Geometry driver to create some sort of catalog; so
> that we can do a proper geometry search on PostGIS through the business
> layer (not just boxes!) and then seach on metadata with Lucene.
>
>
>
> A couple of people have expressed interest in this hibernate geometry
> driver for Java, please give me some feedback on the future direction you
> want this to go.
>
>
>
> Thanks,
>
>
>
> Norman
>
>
> ------------------------------
>
> *From:* postgis-users-bounces at postgis.refractions.net [mailto:
> postgis-users-bounces at postgis.refractions.net] *On Behalf Of *Sandeep
> Kumar Jakkaraju
> *Sent:* 16 November 2006 15:30
> *To:* PostGIS Users Discussion
> *Subject:* [postgis-users] Hibernate with PostGIS
>
>
>
> Hi All
>
> I want to know if i can use Hibernate with PostGIS ??
> if yes ..then can some one point me to some doc which tells abt this !!
>
> I am just skeptical about the geometry column !!
>
> Thanks
> Sandeep
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From erics at ameri-title.com Fri Nov 17 16:28:51 2006
From: erics at ameri-title.com (Eric Shuman)
Date: Fri, 17 Nov 2006 16:28:51 -0800
Subject: [postgis-users] Spatial Join Performance
Message-ID: <KMEIKNPGBOLILGCIHBLCOEBECBAA.erics@ameri-title.com>
Paul, Brent, etc...
So I have been trying the various work arounds for the TOAST issue, but
can't seem to force the query to use the spatial index on the table in
question. None of the work arounds seem to change anything. Below are some
of my stats and the query with query plan.
SELECT version();
"PostgreSQL 8.0.4 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 3.3.5
(Debian 1:3.3.5-13)"
SELECT postgis_version();
"1.0 USE_GEOS=1 USE_PROJ=0 USE_STATS=1"
SET enable_seqscan=OFF;
SET random_page_cost=1;
SET effective_cache_size=1000; -- Have tried up to 10000000 as well
EXPLAIN
SELECT taxlot,zone_
FROM taxlot,zoning
WHERE
taxlot.the_geom && zoning.the_geom
AND
contains(zoning.the_geom,taxlot.the_point_geom)
--------- Query Plan --------------------------
"Nested Loop (cost=100000000.00..100003612.20 rows=62135 width=23)"
" Join Filter: contains("outer".the_geom, "inner".the_point_geom)"
" -> Seq Scan on zoning (cost=100000000.00..100000132.49 rows=1149
width=1967)"
" -> Index Scan using taxlot_geom_index on taxlot (cost=0.00..3.01 rows=1
width=492)"
" Index Cond: (taxlot.the_geom && "outer".the_geom)"
------------------------------------------------
Some of the things I have also tried:
-- SELECT AddGeometryColumn('','taxlot','the_point_geom','-1','POINT',2);
-- update taxlot set the_point_geom = centroid(taxlot.the_geom);
-- create index point_index on taxlot USING GIST (the_point_geom);
-- vacuum analyze taxlot;
-- vacuum analyze zoning;
-- SELECT addGeometryColumn('','zoning','bbox','-1','GEOMETRY','2');
-- UPDATE zoning set bbox = Envelope(Force_2d(the_geom));
Would the fact that I don't have a srid set on the tables matter?
Thanks again for all the help!
---------------
Eric Shuman
From carl.anderson at vadose.org Fri Nov 17 17:20:43 2006
From: carl.anderson at vadose.org (Carl Anderson)
Date: Fri, 17 Nov 2006 20:20:43 -0500
Subject: [postgis-users] Spatial Join Performance
In-Reply-To: <KMEIKNPGBOLILGCIHBLCOEBECBAA.erics@ameri-title.com>
References: <KMEIKNPGBOLILGCIHBLCOEBECBAA.erics@ameri-title.com>
Message-ID: <455E5FEB.2080400@vadose.org>
Eric,
Your query(as explained) is using the spatial indexes.
Spatial predicates (intersects, contains, within, ...) are all greatly
affected by the number of vertices in the geometries being compared.
Try
Select avg(npoints(the_geom)), stddev(npoints(the_geom)) from taxlot
and again for zoning.
More than a couple hundred vertices per geometry on either or both sides
would definitely slow you down.
Strategies that I have successfully used:
(If stray positives or stray negatives are acceptable)
Build a separate table for taxlots and for zoning each based on
simplify(the_geom, X)
where X is tuned to your tolerance for false positives and negatives.
(If an exact answer is desired)
Slice each the_geom from into a gridded table for each layer.
Each the_geom turns into many
rectangular elements in its interior
and
mostly rectangular elements when a grid contains a boundary for the_geom
You query would have to be rewritten to account for
the muliple returns for each original geometries
mixed results
your original query assumed only one zoning per taxlot that
may not really be true.
Tuning only one side does not improve things very much.
let me know if you want scripts to build gridded tables.
C.
Eric Shuman wrote:
> Paul, Brent, etc...
>
> So I have been trying the various work arounds for the TOAST issue, but
> can't seem to force the query to use the spatial index on the table in
> question. None of the work arounds seem to change anything. Below are some
> of my stats and the query with query plan.
>
>
> SELECT version();
> "PostgreSQL 8.0.4 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 3.3.5
> (Debian 1:3.3.5-13)"
>
> SELECT postgis_version();
> "1.0 USE_GEOS=1 USE_PROJ=0 USE_STATS=1"
>
>
> SET enable_seqscan=OFF;
> SET random_page_cost=1;
> SET effective_cache_size=1000; -- Have tried up to 10000000 as well
>
> EXPLAIN
>
> SELECT taxlot,zone_
> FROM taxlot,zoning
> WHERE
> taxlot.the_geom && zoning.the_geom
> AND
> contains(zoning.the_geom,taxlot.the_point_geom)
>
> --------- Query Plan --------------------------
> "Nested Loop (cost=100000000.00..100003612.20 rows=62135 width=23)"
> " Join Filter: contains("outer".the_geom, "inner".the_point_geom)"
> " -> Seq Scan on zoning (cost=100000000.00..100000132.49 rows=1149
> width=1967)"
> " -> Index Scan using taxlot_geom_index on taxlot (cost=0.00..3.01 rows=1
> width=492)"
> " Index Cond: (taxlot.the_geom && "outer".the_geom)"
> ------------------------------------------------
>
> Some of the things I have also tried:
> -- SELECT AddGeometryColumn('','taxlot','the_point_geom','-1','POINT',2);
> -- update taxlot set the_point_geom = centroid(taxlot.the_geom);
> -- create index point_index on taxlot USING GIST (the_point_geom);
> -- vacuum analyze taxlot;
> -- vacuum analyze zoning;
>
> -- SELECT addGeometryColumn('','zoning','bbox','-1','GEOMETRY','2');
> -- UPDATE zoning set bbox = Envelope(Force_2d(the_geom));
>
>
> Would the fact that I don't have a srid set on the tables matter?
>
>
>
> Thanks again for all the help!
>
> ---------------
> Eric Shuman
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From pramsey at refractions.net Fri Nov 17 17:36:59 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Fri, 17 Nov 2006 17:36:59 -0800
Subject: [postgis-users] Spatial Join Performance
In-Reply-To: <KMEIKNPGBOLILGCIHBLCOEBECBAA.erics@ameri-title.com>
References: <KMEIKNPGBOLILGCIHBLCOEBECBAA.erics@ameri-title.com>
Message-ID: <DD128E0A-8D2C-4C58-A127-26CAD3AF0D6F@refractions.net>
Have you tried
SELECT taxlot,zone_
FROM taxlot,zoning
WHERE
taxlot.the_geom && zoning.the_geom
AND
distance(zoning.the_geom,taxlot.the_point_geom) < 0.01
?
On 17-Nov-06, at 4:28 PM, Eric Shuman wrote:
> Paul, Brent, etc...
>
> So I have been trying the various work arounds for the TOAST issue,
> but
> can't seem to force the query to use the spatial index on the table in
> question. None of the work arounds seem to change anything. Below
> are some
> of my stats and the query with query plan.
>
>
> SELECT version();
> "PostgreSQL 8.0.4 on i686-pc-linux-gnu, compiled by GCC gcc (GCC)
> 3.3.5
> (Debian 1:3.3.5-13)"
>
> SELECT postgis_version();
> "1.0 USE_GEOS=1 USE_PROJ=0 USE_STATS=1"
>
>
> SET enable_seqscan=OFF;
> SET random_page_cost=1;
> SET effective_cache_size=1000; -- Have tried up to 10000000 as well
>
> EXPLAIN
>
> SELECT taxlot,zone_
> FROM taxlot,zoning
> WHERE
> taxlot.the_geom && zoning.the_geom
> AND
> contains(zoning.the_geom,taxlot.the_point_geom)
>
> --------- Query Plan --------------------------
> "Nested Loop (cost=100000000.00..100003612.20 rows=62135 width=23)"
> " Join Filter: contains("outer".the_geom, "inner".the_point_geom)"
> " -> Seq Scan on zoning (cost=100000000.00..100000132.49 rows=1149
> width=1967)"
> " -> Index Scan using taxlot_geom_index on taxlot
> (cost=0.00..3.01 rows=1
> width=492)"
> " Index Cond: (taxlot.the_geom && "outer".the_geom)"
> ------------------------------------------------
>
> Some of the things I have also tried:
> -- SELECT AddGeometryColumn
> ('','taxlot','the_point_geom','-1','POINT',2);
> -- update taxlot set the_point_geom = centroid(taxlot.the_geom);
> -- create index point_index on taxlot USING GIST (the_point_geom);
> -- vacuum analyze taxlot;
> -- vacuum analyze zoning;
>
> -- SELECT addGeometryColumn('','zoning','bbox','-1','GEOMETRY','2');
> -- UPDATE zoning set bbox = Envelope(Force_2d(the_geom));
>
>
> Would the fact that I don't have a srid set on the tables matter?
>
>
>
> Thanks again for all the help!
>
> ---------------
> Eric Shuman
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From sandeepkumar.jakkaraju at gmail.com Sat Nov 18 05:27:28 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Sat, 18 Nov 2006 18:57:28 +0530
Subject: [postgis-users] Hibernate with PostGIS
In-Reply-To: <B67A5FB7A8114B47A70517C9C0D102E81407B9@bath.uk.rsinc.com>
References: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com>
<c653c98f0611160958x2f8745c6n5dcf33ea13539c95@mail.gmail.com>
<B67A5FB7A8114B47A70517C9C0D102E81407B9@bath.uk.rsinc.com>
Message-ID: <c653c98f0611180527n61b3faa1vb7c00d0320f648c6@mail.gmail.com>
Hi Norman
Please Help ..
This my class definition ...
public class RoadNetwork {
private Geometry location=null;
private long id;
public long getId()
{
return id;
}
public void setId(long id)
{
this.id = id;
}
public void setLocation(Geometry loc)
{
this.location = loc;
}
public Geometry getLocation()
{
return location;
}
}
My RoadNetwork.hbm.xml....
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping
>
<class
name="hello.RoadNetwork"
table="Roads"
>
<id
name="id"
column="id"
type="java.lang.Long"
>
<generator class="increment">
</generator>
</id>
<property
name="location"
type="org.postgis.hibernate.GeometryType"
update="true"
insert="true"
column="location"
/>
</class>
</hibernate-mapping>
On 11/17/06, Norman Barker <nbarker at ittvis.com> wrote:
>
> Hi Sandeep,
>
> the hibernate driver is at
> http://svn.refractions.net/postgis/trunk/java/ejb3/src/org/postgis/hibernate/GeometryType.java
> and as I understand it this is sufficient for hibernate to persist
> Geometry types, or use in JBoss EJB3. This hibernate driver in turn uses
> postgis.jar, which in turn uses the postgresql driver.
>
> There has been a lot said about EJB3 versus Spring with Hibernate (and I
> have taken your bait!!). I guess it is down to the level (scalable) of the
> system you want to build and whether you want to follow enterprise standards
> (EJB3 is the standard that builds on top of the lessons learnt in Hibernate
> and Spring IoC). I would use either since JPA is also a standard, but I
> will be looking to port to Geronimo as soon as they get EJB3 to give
> container options; my reasons for EJB3 were
>
> (1) Scalability via clustering - this is very important for catalogs for
> disaster / crisis management
> (2) Declarative security
> (3) Transaction Management (potential WFS)
> (4) Stateful sessions (for other parts of my app)
>
> Suddenly I was using more of a J2EE container than a lightweight
> framework. I would say JBoss is light as well though!
>
> The most important thing here is the Hibernate POJO Geometry Driver for
> PostGIS, the framework doesn't matter too much. If you want the PostGIS,
> Hibernate (JBoss EJB3) stack to go into a different direction (Spring) give
> me a compelling reason - or lets work together to make this stack
> 'enterprise ready' for the community!
>
> Let me know if you need any help.
>
> Norman
>
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net on behalf of Sandeep
> Kumar Jakkaraju
> Sent: Thu 11/16/2006 5:58 PM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] Hibernate with PostGIS
>
> Hi Norman
>
> For using Hibernate with postgis ..i can directly use ur postgis.jar !!
> right ...??
>
> Your Tutorial mainly aimed at using EJB3 with postgis ...
> did u think of using Spring instead of EJB3 !! ??
>
> Thanks
> Sandeep
>
>
>
> On 11/16/06, Norman Barker <nbarker at ittvis.com> wrote:
> >
> > Sandeep,
> >
> >
> >
> > To use JBoss EJB3 with PostGIS I had to write a Hibernate Geometry
> Driver,
> > the source code is in PostGIS SVN (LGPL) and there is a tutorial
> available
> > here
> >
> > -
> > http://postgis.refractions.net/support/wiki/index.php?SpatialEJB3
> >
> >
> >
> > It allows creation and updates through Java, the tutorial walks you
> > through a simple SOAP example.
> >
> >
> >
> > I am very interested in using the hibernate lucene annotations (
> >
> http://www.hibernate.org/hib_docs/annotations/reference/en/html/lucene.html
> )
> > in conjunction with the Geometry driver to create some sort of catalog;
> so
> > that we can do a proper geometry search on PostGIS through the business
> > layer (not just boxes!) and then seach on metadata with Lucene.
> >
> >
> >
> > A couple of people have expressed interest in this hibernate geometry
> > driver for Java, please give me some feedback on the future direction
> you
> > want this to go.
> >
> >
> >
> > Thanks,
> >
> >
> >
> > Norman
> >
> >
> > ------------------------------
> >
> > *From:* postgis-users-bounces at postgis.refractions.net [mailto:
> > postgis-users-bounces at postgis.refractions.net] *On Behalf Of *Sandeep
> > Kumar Jakkaraju
> > *Sent:* 16 November 2006 15:30
> > *To:* PostGIS Users Discussion
> > *Subject:* [postgis-users] Hibernate with PostGIS
> >
> >
> >
> > Hi All
> >
> > I want to know if i can use Hibernate with PostGIS ??
> > if yes ..then can some one point me to some doc which tells abt this !!
> >
> > I am just skeptical about the geometry column !!
> >
> > Thanks
> > Sandeep
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
> >
>
>
> --
> Sandeep Kumar Jakkaraju
> WeBlog:
> http://jakkarajus.blogspot.com
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From sandeepkumar.jakkaraju at gmail.com Sat Nov 18 05:34:41 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Sat, 18 Nov 2006 19:04:41 +0530
Subject: [postgis-users] RESEND- Help with using Hibernate with PostGIS
Message-ID: <c653c98f0611180534k63cedbfbj3351ac4d28e548d4@mail.gmail.com>
Hi Norman
Please Help ..
This my class definition ...
public class RoadNetwork {
private Geometry location=null;
private long id;
public long getId()
{
return id;
}
public void setId(long id)
{
this.id = id;
}
public void setLocation(Geometry loc)
{
this.location = loc;
}
public Geometry getLocation()
{
return location;
}
}
My RoadNetwork.hbm.xml....
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0 //EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping
>
<class
name="hello.RoadNetwork"
table="Roads"
>
<id
name="id"
column="id"
type="java.lang.Long "
>
<generator class="increment">
</generator>
</id>
<property
name="location"
type=" org.postgis.hibernate.GeometryType"
update="true"
insert="true"
column="location"
/>
</class>
</hibernate-mapping>
main method ..inserting in database...
{
SessionFactory sessions = new
Configuration().configure().buildSessionFactory();
session =sessions.openSession();
session.connection().setAutoCommit(true);
System.out.println("Inserting Record");
LineString geom = new LineString(lng_str);
RoadNetwork net = new RoadNetwork();
net.setLocation(geom);
session.save(net);
session.flush();
session.close();
System.out.println("Done");
}
Errors : I get
[java] Hibernate: insert into Roads (location, id) values (?, ?)
[java] 19:01:40,215 WARN JDBCExceptionReporter:71 - SQL Error: 0,
SQLState : null
[java] 19:01:40,216 ERROR JDBCExceptionReporter:72 - Batch entry 0
insert i nto Roads (location, id) values (<stream of 105 bytes>, 1) was
aborted. Call ge tNextException to see the cause.
[java] 19:01:40,217 WARN JDBCExceptionReporter:71 - SQL Error: 0,
SQLState : 42804
[java] 19:01:40,217 ERROR JDBCExceptionReporter:72 - ERROR: column
"locatio n" is of type oid but expression is of type bytea
[java] 19:01:40,224 ERROR AbstractFlushingEventListener:300 - Could not
syn chronize database state with session
[java] org.hibernate.exception.SQLGrammarException: Could not execute
JDBC batch update
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From sandeepkumar.jakkaraju at gmail.com Sat Nov 18 06:54:27 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Sat, 18 Nov 2006 20:24:27 +0530
Subject: [postgis-users] Hibernate with PostGIS
In-Reply-To: <B67A5FB7A8114B47A70517C9C0D102E81407B9@bath.uk.rsinc.com>
References: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com>
<c653c98f0611160958x2f8745c6n5dcf33ea13539c95@mail.gmail.com>
<B67A5FB7A8114B47A70517C9C0D102E81407B9@bath.uk.rsinc.com>
Message-ID: <c653c98f0611180654n61d6e790t77489331da6b4849@mail.gmail.com>
I think Hibernate cannot create that Geometry column automatically !!!
is it something to do with hbm2ddl.auto !!
I am able to ..get the geometry from a table with geometry column already
created ...
Norman -->> Would you like me to create a simple tutorial on how to use
Hibernate with Postgis ..your tutorial .. is not easy to understand ...
Thanks
Sandeep
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From dave.potts at pinan.co.uk Sat Nov 18 09:07:48 2006
From: dave.potts at pinan.co.uk (Dave Potts)
Date: Sat, 18 Nov 2006 17:07:48 +0000
Subject: [postgis-users] Hibernate with PostGIS
In-Reply-To: <c653c98f0611180654n61d6e790t77489331da6b4849@mail.gmail.com>
References: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com> <c653c98f0611160958x2f8745c6n5dcf33ea13539c95@mail.gmail.com> <B67A5FB7A8114B47A70517C9C0D102E81407B9@bath.uk.rsinc.com>
<c653c98f0611180654n61d6e790t77489331da6b4849@mail.gmail.com>
Message-ID: <455F3DE4.5020802@pinan.co.uk>
First of all thank you Norman for writing the orginal code.
There is a slight problem with it, it does not handle a null geometry
column, rewritting nullSafeGet as follows, fixes the problem.
I can not say if it will address Sandeep problems, but it is worth trying.
David.
/**
* @see
org.hibernate.usertype.UserType#nullSafeGet(java.sql.ResultSet,
java.lang.String[], java.lang.Object)
*/
public Object nullSafeGet(ResultSet resultSet,
String[] names, Object owner) throws
HibernateException, SQLException {
Geometry result = null;
String geom = resultSet.getString(names[0]);
if(geom != null ) {
BinaryParser parser = new BinaryParser();
result = parser.parse(geom);
}
return result;
}
Sandeep Kumar Jakkaraju wrote:
>
> I think Hibernate cannot create that Geometry column automatically !!!
> is it something to do with hbm2ddl.auto !!
>
>
> I am able to ..get the geometry from a table with geometry column
> already created ...
>
> Norman -->> Would you like me to create a simple tutorial on how to
> use Hibernate with Postgis ..your tutorial .. is not easy to
> understand ...
>
>
> Thanks
> Sandeep
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From nbarker at ittvis.com Sun Nov 19 02:54:45 2006
From: nbarker at ittvis.com (Norman Barker)
Date: Sun, 19 Nov 2006 10:54:45 -0000
Subject: [postgis-users] Hibernate with PostGIS
References: <B67A5FB7A8114B47A70517C9C0D102E8131C8A@bath.uk.rsinc.com> <c653
c98f0611160958x2f8745c6n5dcf33ea13539c95@mail.gmail.com> <B67A5FB7A8114B47A
70517C9C0D102E81407B9@bath.uk.rsinc.com><c653c98f0611180654n61d6e790t774893
31da6b4849@mail.gmail.com> <455F3DE4.5020802@pinan.co.uk>
Message-ID: <B67A5FB7A8114B47A70517C9C0D102E81407BD@bath.uk.rsinc.com>
David,
thanks, I will add that change to the code, and will write a test that with an EJB3 entity that has to create the columns in PostGIS automatically. This should be directly analagous to hibernate. I created my database first, and then mapped the pojos; I can understand that this isn't so desirable.
Sandeep I will try to do this week, and resolve your issues with hibernate.
Thanks for the fix, it was bad of me not to check whether the geom was null! David are you from Pinan Software? You are only a couple of miles down the road from me in the UK!
Norman
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net on behalf of Dave Potts
Sent: Sat 11/18/2006 5:07 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Hibernate with PostGIS
First of all thank you Norman for writing the orginal code.
There is a slight problem with it, it does not handle a null geometry
column, rewritting nullSafeGet as follows, fixes the problem.
I can not say if it will address Sandeep problems, but it is worth trying.
David.
/**
* @see
org.hibernate.usertype.UserType#nullSafeGet(java.sql.ResultSet,
java.lang.String[], java.lang.Object)
*/
public Object nullSafeGet(ResultSet resultSet,
String[] names, Object owner) throws
HibernateException, SQLException {
Geometry result = null;
String geom = resultSet.getString(names[0]);
if(geom != null ) {
BinaryParser parser = new BinaryParser();
result = parser.parse(geom);
}
return result;
}
Sandeep Kumar Jakkaraju wrote:
>
> I think Hibernate cannot create that Geometry column automatically !!!
> is it something to do with hbm2ddl.auto !!
>
>
> I am able to ..get the geometry from a table with geometry column
> already created ...
>
> Norman -->> Would you like me to create a simple tutorial on how to
> use Hibernate with Postgis ..your tutorial .. is not easy to
> understand ...
>
>
> Thanks
> Sandeep
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
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From fanfoi at gmail.com Sun Nov 19 09:25:16 2006
From: fanfoi at gmail.com (=?UTF-8?Q?Fran=C3=A7ois_Weykmans?=)
Date: Sun, 19 Nov 2006 12:25:16 -0500
Subject: [postgis-users] [patch] GEOS simplify functions
Message-ID: <22cd967e0611190925g5eed175ck4f114467fd20286a@mail.gmail.com>
Hello!
Add GEOS simplify functions to PostGIS
(testing only with PostGIS 1.1.6 and geos-3.0.0rc2)
With them, you can use big tolerance without get null result value...
SQL : simplify_geos(geometry,float8) = GEOS
DouglasPeuckerSimplifier::simplify(g1, tolerance)
SQL : simplifytopologypreserve_geos(geometry,float8) = GEOS
TopologyPreservingSimplifier::simplify(g1, tolerance)
Thanks a lots for PostGIS!!!
Fran?ois
diff -r -c /postgis-1.1.6/lwgeom/lwgeom_geos.c
/new/postgis-1.1.6/lwgeom/lwgeom_geos.c
*** /postgis-1.1.6/lwgeom/lwgeom_geos.c Mon Dec 12 09:40:50 2005
--- /new/postgis-1.1.6/lwgeom/lwgeom_geos.c Fri Nov 17 08:30:15 2006
***************
*** 66,71 ****
--- 66,75 ----
Datum linemerge(PG_FUNCTION_ARGS);
Datum LWGEOM_buildarea(PG_FUNCTION_ARGS);
+
+ Datum simplify_geos(PG_FUNCTION_ARGS);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS);
+
typedef struct Geometry Geometry;
***************
*** 101,106 ****
--- 105,115 ----
extern Geometry *GEOSGetCentroid(Geometry *g, int *failure);
extern bool GEOSHasZ(Geometry *g1);
+
+ extern Geometry *GEOSSimplify(Geometry *g1, double tolerance);
+ extern Geometry *GEOSTopologyPreserveSimplify(Geometry *g1, double tolerance);
+
+
extern void GEOSSetSRID(Geometry *g, int SRID);
extern void GEOSdeleteChar(char *a);
extern void GEOSdeleteGeometry(Geometry *a);
***************
*** 2896,2898 ****
--- 2905,3089 ----
PG_RETURN_NULL();
}
+
+ PG_FUNCTION_INFO_V1(simplify_geos);
+ Datum simplify_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS Simplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS Simplify() threw an error (result postgis
geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
+ PG_FUNCTION_INFO_V1(simplifytopologypreserve_geos);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSTopologyPreserveSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error (result
postgis geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
+
diff -r -c /postgis-1.1.6/lwgeom/lwgeom_geos_c.c
/new/postgis-1.1.6/lwgeom/lwgeom_geos_c.c
*** /postgis-1.1.6/lwgeom/lwgeom_geos_c.c Wed Oct 25 03:23:00 2006
--- /new/postgis-1.1.6/lwgeom/lwgeom_geos_c.c Fri Nov 17 08:15:59 2006
***************
*** 67,72 ****
--- 67,76 ----
Datum LWGEOM_buildarea(PG_FUNCTION_ARGS);
Datum linemerge(PG_FUNCTION_ARGS);
+
+ Datum simplify_geos(PG_FUNCTION_ARGS);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS);
+
LWGEOM *GEOS2LWGEOM(GEOSGeom geom, char want3d);
PG_LWGEOM *GEOS2POSTGIS(GEOSGeom geom, char want3d);
***************
*** 2974,2976 ****
--- 2978,3162 ----
PG_RETURN_POINTER(result);
}
+
+
+ PG_FUNCTION_INFO_V1(simplify_geos);
+ Datum simplify_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS Simplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS Simplify() threw an error (result postgis
geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
+ PG_FUNCTION_INFO_V1(simplifytopologypreserve_geos);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSTopologyPreserveSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error (result
postgis geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
diff -r -c /postgis-1.1.6/lwgeom/lwgeom_geos_wrapper.cpp
/new/postgis-1.1.6/lwgeom/lwgeom_geos_wrapper.cpp
*** /postgis-1.1.6/lwgeom/lwgeom_geos_wrapper.cpp Fri Dec 16 00:56:15 2005
--- /new/postgis-1.1.6/lwgeom/lwgeom_geos_wrapper.cpp Fri Nov 17 07:54:29 2006
***************
*** 10,15 ****
--- 10,21 ----
#include "postgis_geos_version.h"
#include "geos/geom.h"
#include "geos/util.h"
+
+
+ //#include <geos/simplify/DouglasPeuckerSimplifier.h>
+ //#include <geos/simplify/TopologyPreservingSimplifier.h>
+
+
#if GEOS_FIRST_INTERFACE <= 3 && GEOS_LAST_INTERFACE >= 3
#include "geos/opValid.h"
#include "geos/opPolygonize.h"
***************
*** 140,145 ****
--- 146,155 ----
extern "C" Geometry *GEOSSymDifference(Geometry *g1,Geometry *g2);
extern "C" Geometry *GEOSUnion(Geometry *g1,Geometry *g2);
+
+ extern "C" Geometry *GEOSSimplify(Geometry *g1, double tolerance);
+ extern "C" Geometry *GEOSTopologyPreserveSimplify(Geometry *g1,
double tolerance);
+
extern "C" POINT3D *GEOSGetCoordinate(Geometry *g1);
extern "C" POINT3D *GEOSGetCoordinates_Polygon(Polygon *g1);
***************
*** 1857,1859 ****
--- 1867,1917 ----
return NULL;
}
}
+
+
+ Geometry *
+ GEOSSimplify(const Geometry *g1, double tolerance)
+ {
+ using namespace geos::simplify;
+
+ try
+ {
+ Geometry::AutoPtr g(DouglasPeuckerSimplifier::simplify(g1, tolerance));
+ return g.release();
+ }
+ catch (const std::exception &e)
+ {
+ ERROR_MESSAGE("%s", e.what());
+ return NULL;
+ }
+
+ catch (...)
+ {
+ ERROR_MESSAGE("Unknown exception thrown");
+ return NULL;
+ }
+ }
+
+ Geometry *
+ GEOSTopologyPreserveSimplify(const Geometry *g1, double tolerance)
+ {
+ using namespace geos::simplify;
+
+ try
+ {
+ Geometry::AutoPtr g(TopologyPreservingSimplifier::simplify(g1, tolerance));
+ return g.release();
+ }
+ catch (const std::exception &e)
+ {
+ ERROR_MESSAGE("%s", e.what());
+ return NULL;
+ }
+
+ catch (...)
+ {
+ ERROR_MESSAGE("Unknown exception thrown");
+ return NULL;
+ }
+ }
+
diff -r -c /postgis-1.1.6/lwgeom/lwpostgis.sql.in
/new/postgis-1.1.6/lwgeom/lwpostgis.sql.in
*** /postgis-1.1.6/lwgeom/lwpostgis.sql.in Fri Jul 7 06:56:52 2006
--- /new/postgis-1.1.6/lwgeom/lwpostgis.sql.in Fri Nov 17 08:55:30 2006
***************
*** 2876,2881 ****
--- 2876,2893 ----
-- GEOS
---------------------------------------------------------------
+
+ CREATEFUNCTION simplify_geos(geometry,float8)
+ RETURNS geometry
+ AS '@MODULE_FILENAME@','simplify_geos'
+ LANGUAGE 'C' _IMMUTABLE_STRICT; -- WITH (isstrict,iscachable)
+
+ CREATEFUNCTION simplifytopologypreserve_geos(geometry,float8)
+ RETURNS geometry
+ AS '@MODULE_FILENAME@','simplifytopologypreserve_geos'
+ LANGUAGE 'C' _IMMUTABLE_STRICT; -- WITH (isstrict,iscachable)
+
+
CREATEFUNCTION intersection(geometry,geometry)
RETURNS geometry
AS '@MODULE_FILENAME@','intersection'
-------------- next part --------------
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From technoplague at gmail.com Sun Nov 19 12:15:43 2006
From: technoplague at gmail.com (Aleks F.)
Date: Sun, 19 Nov 2006 22:15:43 +0200
Subject: [postgis-users] Calculate distance from coastline to the point on
the sea
Message-ID: <4560BB6F.5040706@gmail.com>
Hello!
I am a newbie user of postgis so don't blame me if something i said
seems to be wrong.
I have postgis installed and running. Our lecturer gave us a task,
which includes the distance calculation from the coastline to the point
on the sea.
Can you give any hints how i could achieve proper calculations?
I made a search thorough the list, although found nothing that could
really help.
Another question i have is about pgDijksta implementation. Did anyone
succeed in running it on linux distribution of postgres?
Any steps how to make an integration with a postgres?
Please assist!
thanks in advance,
Aleks F.
From fanfoi at gmail.com Sun Nov 19 13:55:15 2006
From: fanfoi at gmail.com (=?UTF-8?Q?Fran=C3=A7ois_Weykmans?=)
Date: Sun, 19 Nov 2006 16:55:15 -0500
Subject: [postgis-users] [patch] GEOS simplify functions
Message-ID: <22cd967e0611191355l6d83468eq577ccdddb8ec4490@mail.gmail.com>
Hello!
Add GEOS simplify functions to PostGIS
(testing only with PostGIS 1.1.6 and geos-3.0.0rc2)
With them, you can use big tolerance without get null result value...
SQL : simplify_geos(geometry,float8) = GEOS
DouglasPeuckerSimplifier::simplify(g1, tolerance)
SQL : simplifytopologypreserve_geos(geometry,float8) = GEOS
TopologyPreservingSimplifier::simplify(g1, tolerance)
Thanks a lots for PostGIS!!!
Fran?ois
diff -r -c /postgis-1.1.6/lwgeom/lwgeom_geos.c
/new/postgis-1.1.6/lwgeom/lwgeom_geos.c
*** /postgis-1.1.6/lwgeom/lwgeom_geos.c Mon Dec 12 09:40:50 2005
--- /new/postgis-
1.1.6/lwgeom/lwgeom_geos.c Fri Nov 17 08:30:15 2006
***************
*** 66,71 ****
--- 66,75 ----
Datum linemerge(PG_FUNCTION_ARGS);
Datum LWGEOM_buildarea(PG_FUNCTION_ARGS);
+
+ Datum simplify_geos(PG_FUNCTION_ARGS);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS);
+
typedef struct Geometry Geometry;
***************
*** 101,106 ****
--- 105,115 ----
extern Geometry *GEOSGetCentroid(Geometry *g, int *failure);
extern bool GEOSHasZ(Geometry *g1);
+
+ extern Geometry *GEOSSimplify(Geometry *g1, double tolerance);
+ extern Geometry *GEOSTopologyPreserveSimplify(Geometry *g1, double tolerance);
+
+
extern void GEOSSetSRID(Geometry *g, int SRID);
extern void GEOSdeleteChar(char *a);
extern void GEOSdeleteGeometry(Geometry *a);
***************
*** 2896,2898 ****
--- 2905,3089 ----
PG_RETURN_NULL();
}
+
+ PG_FUNCTION_INFO_V1(simplify_geos);
+ Datum simplify_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS Simplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS Simplify() threw an error (result postgis
geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
+ PG_FUNCTION_INFO_V1(simplifytopologypreserve_geos);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSTopologyPreserveSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error (result
postgis geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
+
diff -r -c /postgis-1.1.6/lwgeom/lwgeom_geos_c.c
/new/postgis-1.1.6/lwgeom/lwgeom_geos_c.c
*** /postgis-1.1.6/lwgeom/lwgeom_geos_c.c Wed Oct 25 03:23:00 2006
--- /new/postgis-1.1.6/lwgeom/lwgeom_geos_c.c Fri Nov 17 08:15:59 2006
***************
*** 67,72 ****
--- 67,76 ----
Datum LWGEOM_buildarea(PG_FUNCTION_ARGS);
Datum linemerge(PG_FUNCTION_ARGS);
+
+ Datum simplify_geos(PG_FUNCTION_ARGS);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS);
+
LWGEOM *GEOS2LWGEOM(GEOSGeom geom, char want3d);
PG_LWGEOM *GEOS2POSTGIS(GEOSGeom geom, char want3d);
***************
*** 2974,2976 ****
--- 2978,3162 ----
PG_RETURN_POINTER(result);
}
+
+
+ PG_FUNCTION_INFO_V1(simplify_geos);
+ Datum simplify_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS Simplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS Simplify() threw an error (result postgis
geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
+ PG_FUNCTION_INFO_V1(simplifytopologypreserve_geos);
+ Datum simplifytopologypreserve_geos(PG_FUNCTION_ARGS)
+ {
+ PG_LWGEOM *geom1;
+ double tolerance;
+ GEOSGeom g1,g2;
+ PG_LWGEOM *result;
+ int is3d;
+ int SRID;
+
+ #ifdef PROFILE
+ profstart(PROF_QRUN);
+ #endif
+
+ geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
+ tolerance = PG_GETARG_FLOAT8(1);
+
+ is3d = ( TYPE_HASZ(geom1->type) );
+ SRID = pglwgeom_getSRID(geom1);
+ initGEOS(lwnotice, lwnotice);
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify starting");
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_P2G1);
+ #endif
+ g1 = POSTGIS2GEOS(geom1);
+ #ifdef PROFILE
+ profstop(PROF_P2G1);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE," constructed geometry - calling geos");
+ elog(NOTICE," g1 = %s", GEOSGeomToWKT(g1));
+ /*elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1)); */
+ #endif
+
+ #ifdef PROFILE
+ profstart(PROF_GRUN);
+ #endif
+ g2 = GEOSTopologyPreserveSimplify(g1,tolerance);
+ #ifdef PROFILE
+ profstop(PROF_GRUN);
+ #endif
+
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"simplify finished");
+ #endif
+
+ if (g2 == NULL)
+ {
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error!");
+ GEOSGeom_destroy(g1);
+ PG_RETURN_NULL(); /* never get here */
+ }
+ #ifdef PGIS_DEBUG
+ elog(NOTICE,"result: %s", GEOSGeomToWKT(g2) ) ;
+ #endif
+ GEOSSetSRID(g2, SRID);
+ #ifdef PROFILE
+ profstart(PROF_G2P);
+ #endif
+ result = GEOS2POSTGIS(g2, is3d);
+ #ifdef PROFILE
+ profstop(PROF_G2P);
+ #endif
+
+ if (result == NULL)
+ {
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+ elog(ERROR,"GEOS TopologyPreserveSimplify() threw an error (result
postgis geometry formation)!");
+ PG_RETURN_NULL(); /* never get here */
+ }
+ GEOSGeom_destroy(g1);
+ GEOSGeom_destroy(g2);
+
+ /* compressType(result); */
+
+ #ifdef PROFILE
+ profstop(PROF_QRUN);
+ profreport("geos",geom1, result);
+ #endif
+ PG_FREE_IF_COPY(geom1, 0);
+
+ PG_RETURN_POINTER(result);
+ }
+
diff -r -c /postgis-1.1.6/lwgeom/lwgeom_geos_wrapper.cpp
/new/postgis-1.1.6/lwgeom/lwgeom_geos_wrapper.cpp
*** /postgis-1.1.6/lwgeom/lwgeom_geos_wrapper.cpp Fri Dec 16 00:56:15 2005
--- /new/postgis-
1.1.6/lwgeom/lwgeom_geos_wrapper.cpp Fri Nov 17 07:54:29 2006
***************
*** 10,15 ****
--- 10,21 ----
#include "postgis_geos_version.h"
#include "geos/geom.h"
#include "geos/util.h"
+
+
+ //#include <geos/simplify/DouglasPeuckerSimplifier.h>
+ //#include <geos/simplify/TopologyPreservingSimplifier.h>
+
+
#if GEOS_FIRST_INTERFACE <= 3 && GEOS_LAST_INTERFACE >= 3
#include "geos/opValid.h"
#include "geos/opPolygonize.h"
***************
*** 140,145 ****
--- 146,155 ----
extern "C" Geometry *GEOSSymDifference(Geometry *g1,Geometry *g2);
extern "C" Geometry *GEOSUnion(Geometry *g1,Geometry *g2);
+
+ extern "C" Geometry *GEOSSimplify(Geometry *g1, double tolerance);
+ extern "C" Geometry *GEOSTopologyPreserveSimplify(Geometry *g1,
double tolerance);
+
extern "C" POINT3D *GEOSGetCoordinate(Geometry *g1);
extern "C" POINT3D *GEOSGetCoordinates_Polygon(Polygon *g1);
***************
*** 1857,1859 ****
--- 1867,1917 ----
return NULL;
}
}
+
+
+ Geometry *
+ GEOSSimplify(const Geometry *g1, double tolerance)
+ {
+ using namespace geos::simplify;
+
+ try
+ {
+ Geometry::AutoPtr g(DouglasPeuckerSimplifier::simplify(g1, tolerance));
+ return g.release();
+ }
+ catch (const std::exception &e)
+ {
+ ERROR_MESSAGE("%s", e.what());
+ return NULL;
+ }
+
+ catch (...)
+ {
+ ERROR_MESSAGE("Unknown exception thrown");
+ return NULL;
+ }
+ }
+
+ Geometry *
+ GEOSTopologyPreserveSimplify(const Geometry *g1, double tolerance)
+ {
+ using namespace geos::simplify;
+
+ try
+ {
+ Geometry::AutoPtr g(TopologyPreservingSimplifier::simplify(g1, tolerance));
+ return g.release();
+ }
+ catch (const std::exception &e)
+ {
+ ERROR_MESSAGE("%s", e.what());
+ return NULL;
+ }
+
+ catch (...)
+ {
+ ERROR_MESSAGE("Unknown exception thrown");
+ return NULL;
+ }
+ }
+
diff -r -c /postgis-1.1.6/lwgeom/lwpostgis.sql.in
/new/postgis-1.1.6/lwgeom/lwpostgis.sql.in
*** /postgis-1.1.6/lwgeom/lwpostgis.sql.in Fri Jul 7 06:56:52 2006
--- /new/postgis-
1.1.6/lwgeom/lwpostgis.sql.in Fri Nov 17 08:55:30 2006
***************
*** 2876,2881 ****
--- 2876,2893 ----
-- GEOS
---------------------------------------------------------------
+
+ CREATEFUNCTION simplify_geos(geometry,float8)
+ RETURNS geometry
+ AS '@MODULE_FILENAME@','simplify_geos'
+ LANGUAGE 'C' _IMMUTABLE_STRICT; -- WITH (isstrict,iscachable)
+
+ CREATEFUNCTION simplifytopologypreserve_geos(geometry,float8)
+ RETURNS geometry
+ AS '@MODULE_FILENAME@','simplifytopologypreserve_geos'
+ LANGUAGE 'C' _IMMUTABLE_STRICT; -- WITH (isstrict,iscachable)
+
+
CREATEFUNCTION intersection(geometry,geometry)
RETURNS geometry
AS '@MODULE_FILENAME@','intersection'
-------------- next part --------------
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From alex_chew at 163.com Mon Nov 20 00:06:27 2006
From: alex_chew at 163.com (alex_chew)
Date: Mon, 20 Nov 2006 16:06:27 +0800 (CST)
Subject: [postgis-users] What does this mean? assvg(...) ==> "M 10
4.1 -30.8 l 0 -0 0 -0 0 -0 -0 -0 -0 -0 -0 -0 0 -0 "
In-Reply-To: <22cd967e0611191355l6d83468eq577ccdddb8ec4490@mail.gmail.com>
References: <22cd967e0611191355l6d83468eq577ccdddb8ec4490@mail.gmail.com>
Message-ID: <45616203.000058.03001@bj163app93.163.com>
Hi,there
I tried to load all road polylines in box 104,30,106,32(EPSG:4326) with sql:
SELECT AsSVG(intersection(the_geom,GeometryFromText('POLYGON((104 30,106 30,106 32,104 32,104 30))',4326)),1,1) AS svg_geom FROM road_polyline WHERE the_geom && setSRID('BOX3D(104 30, 106 32)'::box3d,4326)
I got some results like,
"M 104.1 -30.8 l 0 -0 0 -0 0 -0 -0 -0 -0 -0 -0 -0 0 -0 "
"M 104.2 -30.8 l 0 0 0 0 0 0 "
"M 104.2 -30.8 l 0 0 "
"M 104.2 -30.8 l 0 0 0 0 "
"M 104.1 -30.8 l 0 -0 0 -0 "
"M 104.1 -30.8 l 0 0 0 0 "
"M 104.2 -30.8 l 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 "
"M 104.1 -30.8 l 0 -0 "
what does this mean? It should be something like,
M 104.1 -30.8 l 104.* -30.* l p3x p3y l p4x p4y
Why does there so many zero(0)?
I cannot make it display on my SVG document.
thanks in advance.
alex
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From davidtecher at yahoo.fr Mon Nov 20 00:14:32 2006
From: davidtecher at yahoo.fr (TECHER David)
Date: Mon, 20 Nov 2006 09:14:32 +0100
Subject: [postgis-users] What does this mean? assvg(...) ==> "M 10 4.1
-30.8 l 0 -0 0 -0 0 -0 -0 -0 -0 -0 -0 -0 0 -0 "
In-Reply-To: <45616203.000058.03001@bj163app93.163.com>
References: <22cd967e0611191355l6d83468eq577ccdddb8ec4490@mail.gmail.com>
<45616203.000058.03001@bj163app93.163.com>
Message-ID: <456163E8.9010402@yahoo.fr>
Hi Alex
What version of PostGIS do U use?
alex_chew a ?crit :
> Hi,there
> I tried to load all road polylines in box 104,30,106,32(EPSG:4326)
> with sql:
> SELECT AsSVG(intersection(the_geom,GeometryFromText('POLYGON((104
> 30,106 30,106 32,104 32,104 30))',4326)),1,1) AS svg_geom FROM
> road_polyline WHERE the_geom && setSRID('BOX3D(104 30, 106
> 32)'::box3d,4326)
>
> I got some results like,
> "M 104.1 -30.8 l 0 -0 0 -0 0 -0 -0 -0 -0 -0 -0 -0 0 -0 "
> "M 104.2 -30.8 l 0 0 0 0 0 0 "
> "M 104.2 -30.8 l 0 0 "
> "M 104.2 -30.8 l 0 0 0 0 "
> "M 104.1 -30.8 l 0 -0 0 -0 "
> "M 104.1 -30.8 l 0 0 0 0 "
> "M 104.2 -30.8 l 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 "
> "M 104.1 -30.8 l 0 -0 "
>
> what does this mean? It should be something like,
> M 104.1 -30.8 l 104.* -30.* l p3x p3y l p4x p4y
> Why does there so many zero(0)?
>
> I cannot make it display on my SVG document.
>
> thanks in advance.
> alex
>
>
>
>
>
>
>
> ? ? ? ? ? ? ? ? ? , ? ? ? ? ? ?
> ? ? ? ? ? ? ? ? 20 ? ? , ? ? ? ? ? ? ? ? ? ? ? 20 ? >>
> <http://adtaobao.allyes.com/main/adfclick?db=adtaobao&bid=600,597,58&cid=29985,198,1&sid=32501&show=ignore&url=http://event.mail.163.com/taobao/index.htm>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
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From kobben at itc.nl Mon Nov 20 02:07:28 2006
From: kobben at itc.nl (Barend K=?ISO-8859-1?B?9g==?=bben)
Date: Mon, 20 Nov 2006 11:07:28 +0100
Subject: [postgis-users] What does this mean? assvg(...) ==> "M 10 4.1
-30.8 l 0 -0 0 -0 0 -0 -0 -0 -0 -0 -0 -0 0 -0 "
In-Reply-To: <456163E8.9010402@yahoo.fr>
Message-ID: <C1873CF0.3636%kobben@itc.nl>
I think it's because you asked it to use relative path coordinates and
coordinate rounding in the part of the command that says ")),1,1)". The "l"
commands means move relatively, the "L" would have been move to absolute
coord. Then you asked it to round coordinates, and thus your latlon relative
moves which should have been eg "l 0.00034 0.00056" were rounded of to "l 0
0"
Look into the manual of the asSVG command on how to use the
relative/absolute moves and the rounding....
__
Barend K?bben
International Institute for Geo-information
Sciences and Earth Observation (ITC)
PO Box 6, 7500AA Enschede (The Netherlands)
ph: +31 (0)53 4874253; fax: +31 (0)53 4874335
From dylan.beaudette at gmail.com Mon Nov 20 14:24:32 2006
From: dylan.beaudette at gmail.com (Dylan Beaudette)
Date: Mon, 20 Nov 2006 14:24:32 -0800
Subject: [postgis-users] runing postgis init scripts on a named schema
Message-ID: <200611201424.32336.dylan.beaudette@gmail.com>
Hi everyone,
I have a fully functional postgis DB up and running, using the
default 'public' schema. I have just added a new schema, and would like
to 'spatially-enable' this new one.
does anyone have tips on how this might be accomplished ?
thanks in advance!
--
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341
From adoyle at eogeo.org Mon Nov 20 15:45:50 2006
From: adoyle at eogeo.org (Allan Doyle)
Date: Mon, 20 Nov 2006 18:45:50 -0500
Subject: [postgis-users] Ubuntu install of PostGIS 1.1.6 failing
Message-ID: <1D9F853E-B379-4D84-B8F2-3E5797FA573E@eogeo.org>
I'm installing onto an up-to-date Ubuntu 6.06 system
proj-4.5.0 installs ok
geos-3.0.0rc2 installs ok
postgis-1.1.6 gives the following errors:
=====
mwow% sudo su postgres
postgres at mwow:/usr/local/src/postgis-1.1.6$ make check
make -C regress test
make[1]: Entering directory `/usr/local/src/postgis-1.1.6/regress'
Creating spatial db postgis_reg
ERROR: function postgis_lib_version() does not exist
HINT: No function matches the given name and argument types. You may
need to add explicit type casts.
Something went wrong (no postgis installed in postgis_reg).
For details, check /tmp/pgis_reg_17211/regress_log
make[1]: *** [test] Error 1
make[1]: Leaving directory `/usr/local/src/postgis-1.1.6/regress'
make: *** [check] Error 2
=====
The contents of /tmp/pgis_reg_17211/regress_log are not enlightening
to me:
=====
CREATE DATABASE
BEGIN
psql:lwpostgis.sql:39: NOTICE: type "histogram2d" is not yet defined
DETAIL: Creating a shell type definition.
psql:lwpostgis.sql:39: ERROR: could not load library "/usr/local/src/
postgis-1.1.6/lwgeom/liblwgeom.so.1.1": libgeos_c.so.1: cannot open
shared object file: No such file or directory
psql:lwpostgis.sql:44: ERROR: current transaction is aborted,
commands ignored until end of transaction block
psql:lwpostgis.sql:52: ERROR: current transaction is aborted,
commands ignored until end of transaction block
psql:lwpostgis.sql:62: ERROR: current transaction is aborted,
commands ignored until end of transaction block
... snip ...
psql:lwpostgis.sql:3462: ERROR: current transaction is aborted,
commands ignored until end of transaction block
psql:lwpostgis.sql:3509: ERROR: current transaction is aborted,
commands ignored until end of transaction block
ROLLBACK
=====
I did check the geos build, there is a step that makes libgeos_c.so.1
in /usr/local/lib.
I tried explicitly setting --with-geos-libdir=/usr/local/lib but
there's no difference.
Has anyone bumped into (and solved!) this?
Thanks,
Allan
--
Allan Doyle
+1.781.433.2695
adoyle at eogeo.org
From pdoria at netmadeira.com Mon Nov 20 15:46:04 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Mon, 20 Nov 2006 23:46:04 -0000
Subject: [postgis-users] runing postgis init scripts on a named schema
In-Reply-To: <200611201424.32336.dylan.beaudette@gmail.com>
Message-ID: <000001c70cfe$0af31dc0$05d6bed5@oem41cbbf9e178>
Hi Dylan,
That depends...
What's your operating system?
Are you compiling from sources?
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Dylan
Beaudette
Sent: segunda-feira, 20 de Novembro de 2006 22:25
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] runing postgis init scripts on a named schema
Hi everyone,
I have a fully functional postgis DB up and running, using the
default 'public' schema. I have just added a new schema, and would like
to 'spatially-enable' this new one.
does anyone have tips on how this might be accomplished ?
thanks in advance!
--
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From dylan.beaudette at gmail.com Mon Nov 20 16:30:24 2006
From: dylan.beaudette at gmail.com (Dylan Beaudette)
Date: Mon, 20 Nov 2006 16:30:24 -0800
Subject: [postgis-users] runing postgis init scripts on a named schema
In-Reply-To: <200611201424.32336.dylan.beaudette@gmail.com>
References: <200611201424.32336.dylan.beaudette@gmail.com>
Message-ID: <200611201630.24632.dylan.beaudette@gmail.com>
On Monday 20 November 2006 14:24, Dylan Beaudette wrote:
> Hi everyone,
>
> I have a fully functional postgis DB up and running, using the
> default 'public' schema. I have just added a new schema, and would like
> to 'spatially-enable' this new one.
>
> does anyone have tips on how this might be accomplished ?
>
>
> thanks in advance!
note that this is on debian linux, postgres 8.1.2, postgis 1.1.1
thanks
--
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341
From erics at ameri-title.com Mon Nov 20 17:19:30 2006
From: erics at ameri-title.com (Eric Shuman)
Date: Mon, 20 Nov 2006 17:19:30 -0800
Subject: [postgis-users] Spatial Join Performance
Message-ID: <KMEIKNPGBOLILGCIHBLCKEBHCBAA.erics@ameri-title.com>
Paul,
I did try using distance function instead of contains and the query
completed much faster! 30 minutes instead of 2.5 hours. Thanks for the
tip!!!
But... =>
Another issue was brought up earlier in this thread mentioning that not all
taxlot will be in just one zone... which has now brought up another road
block. I have been taking care of this issue by selecting distinct on
(taxlot,zone) then grouping on the taxlot and concatenating the zone with a
delimiter.
The issue now is that comparing on a point won't pick up all the zones (I
was just going to accept this), but comparing on the polygon gets false hits
due to topological shifting and errors. I am experimenting with creating a
negative buffer and comparing its distance to the zone. This works on a
test subject lot.
The road block is this... When I try to run the query on my entire data set
I get this error.
-----------------------------------------------
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
-----------------------------------------------
To speed up the buffer I have also simplified the_geom.(this works) I broke
the steps down by creating additional geometry fields in my taxlot layer to
hold the simplified geometry and then the buffered geometry. The simplify
step works, the buffer is where it bails.
The taxlot geometries as multipolygon. I ran an isvalid() on the geometry
and found some to be invalid, but if I exclude them from the query I still
get the server crash.
Here are the queries:
--SELECT AddGeometryColumn('','taxlot','the_simple_geom','-1','GEOMETRY',2);
--update taxlot set the_simple_geom = simplify(taxlot.the_geom,5);
--SELECT AddGeometryColumn('','taxlot','the_buffer_geom','-1','GEOMETRY',2);
--update taxlot set the_buffer_geom = buffer(taxlot.the_simple_geom,-5);
BAILS HERE
Any ideas on what might be wrong???
(should this be a new thread?)
---------------
Eric Shuman
From schabi at logix-tt.com Tue Nov 21 04:31:49 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Tue, 21 Nov 2006 13:31:49 +0100
Subject: [postgis-users] SRID for Saudi Arabia
In-Reply-To: <200611170945.53644.sdc@sdc.com.au>
References: <200611170945.53644.sdc@sdc.com.au>
Message-ID: <4562F1B5.7010304@logix-tt.com>
Hi, Stephen,
Stephen Davies wrote:
> Could somebody please point me at the correct (latlong) SRID for the
> Riyadh region of Saudi Arabia.
There are several SRIDs, depending on the projection used.
E. G. all world-wide lat/lon formats like WGS85 (SRID 4326) cover Saudi
Arabia. But there is an UTM zone, as well...
So without knowing the projection information, we can't tell you the SRID.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From sbayana at sidestep.com Tue Nov 21 08:44:11 2006
From: sbayana at sidestep.com (Sunitha Bayana)
Date: Tue, 21 Nov 2006 08:44:11 -0800
Subject: [postgis-users] lat and long format
Message-ID: <1C8FFEE4F601A74EBF7E78E38EA5E53807525C1E@mailbox.jayst.sidestep.com>
Hi
Is there any way in postgis to convert the lat and long from degree system to
decimal system. I have the data in the format as below
17.21.00S
145.30.00W
Thanks in advance.
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From sxpert at sxpert.org Tue Nov 21 08:46:46 2006
From: sxpert at sxpert.org (raphael Jacquot)
Date: Tue, 21 Nov 2006 17:46:46 +0100
Subject: [postgis-users] looking for some perf data
Message-ID: <45632D76.6040609@sxpert.org>
hi there
I'm looking for some hard verifiable proof that using r-tree based
geometry indexes is better than using 2 columns and a btree index on it,
performance wise.
has there any study done on that ?
From mbdavis at refractions.net Tue Nov 21 09:12:31 2006
From: mbdavis at refractions.net (Martin Davis)
Date: Tue, 21 Nov 2006 09:12:31 -0800
Subject: [postgis-users] looking for some perf data
In-Reply-To: <45632D76.6040609@sxpert.org>
References: <45632D76.6040609@sxpert.org>
Message-ID: <4563337F.1090404@refractions.net>
First of all, you need to be more specific. The performance of an index
is related to the kinds of queries you are making on it. If you are
making a simple equality query, then a B-tree on the (x,y) pair is
probably fine. But if you're wanting to do range searches in two
dimensions, a B-tree does not support this kind of query, and hence
performance will be slow compared to an access method which does support
this (e.g. R-tree, quad-tree, etc etc).
I don't know of any reference which has a "hard verifiable" comparison
with a simple B-tree for range queries. I suspect this is because the
performance difference is so obviously bad for B-trees that researchers
haven't bothered to document it.
You might try looking at two of the books by Hanan Samet:
Foundations of Multidimensional and Metric Data Structures
The Design and Analysis of Spatial Data Structures
You could also try the original R-tree papers, or a survey entitled
"R-Trees are everywhere". Also a paper entitled "Multidimensional
Access Methods" by Gaede et al.
raphael Jacquot wrote:
> hi there
> I'm looking for some hard verifiable proof that using r-tree based
> geometry indexes is better than using 2 columns and a btree index on
> it, performance wise.
>
> has there any study done on that ?
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
From sxpert at sxpert.org Tue Nov 21 09:14:44 2006
From: sxpert at sxpert.org (raphael Jacquot)
Date: Tue, 21 Nov 2006 18:14:44 +0100
Subject: [postgis-users] looking for some perf data
In-Reply-To: <4563337F.1090404@refractions.net>
References: <45632D76.6040609@sxpert.org> <4563337F.1090404@refractions.net>
Message-ID: <45633404.7020604@sxpert.org>
Martin Davis wrote:
> First of all, you need to be more specific. The performance of an index
> is related to the kinds of queries you are making on it. If you are
> making a simple equality query, then a B-tree on the (x,y) pair is
> probably fine. But if you're wanting to do range searches in two
> dimensions, a B-tree does not support this kind of query, and hence
> performance will be slow compared to an access method which does support
> this (e.g. R-tree, quad-tree, etc etc).
typically I'm looking to compare using
create table blah1 (
lon double precision,
lat double precision
)
with one index on lon and another one on lat
the classic request being
lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
and
create table blah2 (
position Point
)
with a gist r-tree index
using the @ operator
> raphael Jacquot wrote:
>> hi there
>> I'm looking for some hard verifiable proof that using r-tree based
>> geometry indexes is better than using 2 columns and a btree index on
>> it, performance wise.
>>
>> has there any study done on that ?
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>
From mbdavis at refractions.net Tue Nov 21 09:22:12 2006
From: mbdavis at refractions.net (Martin Davis)
Date: Tue, 21 Nov 2006 09:22:12 -0800
Subject: [postgis-users] looking for some perf data
In-Reply-To: <45633404.7020604@sxpert.org>
References: <45632D76.6040609@sxpert.org> <4563337F.1090404@refractions.net>
<45633404.7020604@sxpert.org>
Message-ID: <456335C4.1060503@refractions.net>
Well, those are range queries. Not too surprising, 99.9% of spatial
queries are.
The real question is: given that every modern spatial database uses some
sort of spatial index (R-tree, quad-tree, or grid), why even bother to
question whether B-trees might be better?
raphael Jacquot wrote:
>
> typically I'm looking to compare using
>
> create table blah1 (
> lon double precision,
> lat double precision
> )
> with one index on lon and another one on lat
>
> the classic request being
> lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
>
> and
>
> create table blah2 (
> position Point
> )
> with a gist r-tree index
>
> using the @ operator
--
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
From sxpert at sxpert.org Tue Nov 21 09:21:07 2006
From: sxpert at sxpert.org (raphael Jacquot)
Date: Tue, 21 Nov 2006 18:21:07 +0100
Subject: [postgis-users] looking for some perf data
In-Reply-To: <456335C4.1060503@refractions.net>
References: <45632D76.6040609@sxpert.org>
<4563337F.1090404@refractions.net> <45633404.7020604@sxpert.org>
<456335C4.1060503@refractions.net>
Message-ID: <45633583.2010009@sxpert.org>
Martin Davis wrote:
> Well, those are range queries. Not too surprising, 99.9% of spatial
> queries are.
>
> The real question is: given that every modern spatial database uses some
> sort of spatial index (R-tree, quad-tree, or grid), why even bother to
> question whether B-trees might be better?
ask my boss :D
> raphael Jacquot wrote:
>>
>> typically I'm looking to compare using
>>
>> create table blah1 (
>> lon double precision,
>> lat double precision
>> )
>> with one index on lon and another one on lat
>>
>> the classic request being
>> lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
>>
>> and
>>
>> create table blah2 (
>> position Point
>> )
>> with a gist r-tree index
>>
>> using the @ operator
>
From nickblack1 at gmail.com Tue Nov 21 09:21:22 2006
From: nickblack1 at gmail.com (Nick Black)
Date: Tue, 21 Nov 2006 17:21:22 +0000
Subject: [postgis-users] Splitting multistrings
Message-ID: <223020e60611210921y6f4d68buaf0310e7a5fae6c5@mail.gmail.com>
Hi,
I'm trying to split multistrings into individual linestrings using SQL
within PostGIS, but I cant find an appropriate function. Is it
possible to do this using SQL? If not, does anyone know a way this
can be done?
Many Thanks
Nick
From sdteffen at gmail.com Tue Nov 21 09:28:55 2006
From: sdteffen at gmail.com (Steffen Macke)
Date: Tue, 21 Nov 2006 19:28:55 +0200
Subject: [postgis-users] Splitting multistrings
In-Reply-To: <223020e60611210921y6f4d68buaf0310e7a5fae6c5@mail.gmail.com>
References: <223020e60611210921y6f4d68buaf0310e7a5fae6c5@mail.gmail.com>
Message-ID: <3cb1691c0611210928h56023b9dtd3faea5ed6f0b9cd@mail.gmail.com>
Hi Nick,
> I'm trying to split multistrings into individual linestrings using SQL
> within PostGIS, but I cant find an appropriate function. Is it
> possible to do this using SQL? If not, does anyone know a way this
> can be done?
Did you have a look at the GeometryN() function?
Together with the PostgreSQL generate_series() and NumGeometries() you
should be able to split your lines accordingly.
Or do you have to insert new vertices at the split points? In this
case, a little bit
of additional information would help.
Regards,
Steffen
From kobben at itc.nl Tue Nov 21 09:54:53 2006
From: kobben at itc.nl (Barend K=?ISO-8859-1?B?9g==?=bben)
Date: Tue, 21 Nov 2006 18:54:53 +0100
Subject: [postgis-users] Splitting multistrings
In-Reply-To: <3cb1691c0611210928h56023b9dtd3faea5ed6f0b9cd@mail.gmail.com>
Message-ID: <C188FBFD.36C0%kobben@itc.nl>
Hi ,
Find below an example how to change MultiPolygons to Polygons, Should eb
simple to convert for (mulit)linestrings...
__
Barend K?bben
International Institute for Geo-information
Sciences and Earth Observation (ITC)
PO Box 6, 7500AA Enschede (The Netherlands)
ph: +31 (0)53 4874253; fax: +31 (0)53 4874335
+++++++++++++
--
-- STEP 1: get maximum of NumGeometries into tmp table
--
CREATE TABLE tmp (maxnumgeoms int4) WITH OIDS;
INSERT into tmp
(select gid from world where gid <=
(select max(NumGeometries(the_geom)) from world)
);
--
-- STEP 2: create World_exploded table
--
CREATE SEQUENCE world_exploded_id_seq
INCREMENT 1
MINVALUE 1
MAXVALUE 9223372036854775807
START 1
CACHE 1;
CREATE TABLE world_exploded
(
id int4 NOT NULL DEFAULT nextval('world_exploded_id_seq'::regclass),
gid int4 NOT NULL,
the_geom geometry,
CONSTRAINT world_exploded_pkey PRIMARY KEY (id),
CONSTRAINT enforce_dims_the_geom CHECK (ndims(the_geom) = 2),
CONSTRAINT enforce_geotype_the_geom CHECK (geometrytype(the_geom) =
'POLYGON'::text OR the_geom IS NULL),
CONSTRAINT enforce_srid_the_geom CHECK (srid(the_geom) = 4326)
) ;
CREATE INDEX world_exploded_the_geom_gist
ON world_exploded USING gist(the_geom);
CREATE INDEX world_exploded_gid
ON world_exploded USING btree(gid);
--
-- STEP 3: insert exploded polygons
--
insert into world_exploded (gid,the_geom)
select
gid, GeometryN(world.the_geom,maxnumgeoms)
from tmp,world
From pramsey at refractions.net Tue Nov 21 10:53:24 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Tue, 21 Nov 2006 10:53:24 -0800
Subject: [postgis-users] looking for some perf data
In-Reply-To: <456335C4.1060503@refractions.net>
References: <45632D76.6040609@sxpert.org>
<4563337F.1090404@refractions.net> <45633404.7020604@sxpert.org>
<456335C4.1060503@refractions.net>
Message-ID: <45634B24.1070907@refractions.net>
It's not so much a matter of "better" as it is a matter of "good
enough". As long as your data volume remains low enough, you can keep
your simple non-spatial tables and b-trees. At some point you'll flip
though and need to move to spatial for "adequate" performance. It all
depends on your definitions of "large" and "adequate", none of which are
in scope for me :)
P
Martin Davis wrote:
> Well, those are range queries. Not too surprising, 99.9% of spatial
> queries are.
>
> The real question is: given that every modern spatial database uses some
> sort of spatial index (R-tree, quad-tree, or grid), why even bother to
> question whether B-trees might be better?
>
> raphael Jacquot wrote:
>>
>> typically I'm looking to compare using
>>
>> create table blah1 (
>> lon double precision,
>> lat double precision
>> )
>> with one index on lon and another one on lat
>>
>> the classic request being
>> lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
>>
>> and
>>
>> create table blah2 (
>> position Point
>> )
>> with a gist r-tree index
>>
>> using the @ operator
>
From matt.pettis at thomson.com Tue Nov 21 11:04:07 2006
From: matt.pettis at thomson.com (matt.pettis at thomson.com)
Date: Tue, 21 Nov 2006 13:04:07 -0600
Subject: [postgis-users] centroid() and AddGeometryColumn() questions
Message-ID: <89C159F45B13A24682D98BDEF58E451F0B331CAA@TLRUSMNEAGMBX28.ERF.THOMSON.COM>
Hi,
I am trying to add a column to my table that lists the centroids the
polygon described in the 'the_geom' field. I use the following, which
works (I think), but of which I have questions:
SELECT AddGeometryColumn( '', 'shp_mcd', 'centroid', -1, 'POINT', 2 );
UPDATE shp_mcd SET centroid = centroid ( the_geom );
My question is about the final argument to AddGeometryColumn.
Documentation states that centroid() returns a POINT. I figure that
that implies that the last argument should then be a 0, not a 2. But if
I use a 0 in the last field, the updated doesn't work -- it tells me
that i violate a dimension constraint. Can someone explain why I need
to have a 2 as the last argument and not a 0? It doesn't make sense to
me.
Thanks,
Matt
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From pramsey at refractions.net Tue Nov 21 12:04:46 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Tue, 21 Nov 2006 12:04:46 -0800
Subject: [postgis-users] centroid() and AddGeometryColumn() questions
In-Reply-To: <89C159F45B13A24682D98BDEF58E451F0B331CAA@TLRUSMNEAGMBX28.ERF.THOMSON.COM>
References: <89C159F45B13A24682D98BDEF58E451F0B331CAA@TLRUSMNEAGMBX28.ERF.THOMSON.COM>
Message-ID: <45635BDE.8050504@refractions.net>
Matt,
COORD_DIMENSION is about the number of coordinates in each vertex (for
PostGIS, 2, 3 or 4). The dimensionality of the geometry is already
given, by specifying POINT. To specify it again as "0" would be redundant.
P
matt.pettis at thomson.com wrote:
> Hi,
>
> I am trying to add a column to my table that lists the centroids the
> polygon described in the 'the_geom' field. I use the following, which
> works (I think), but of which I have questions:
>
> SELECT AddGeometryColumn( '', 'shp_mcd', 'centroid', -1, 'POINT', 2 );
> UPDATE shp_mcd SET centroid = centroid ( the_geom );
>
> My question is about the final argument to AddGeometryColumn.
> Documentation states that centroid() returns a POINT. I figure that
> that implies that the last argument should then be a 0, not a 2. But if
> I use a 0 in the last field, the updated doesn't work -- it tells me
> that i violate a dimension constraint. Can someone explain why I need
> to have a 2 as the last argument and not a 0? It doesn't make sense to me.
>
> Thanks,
> Matt
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From sdc at sdc.com.au Tue Nov 21 15:39:40 2006
From: sdc at sdc.com.au (Stephen Davies)
Date: Wed, 22 Nov 2006 10:09:40 +1030
Subject: [postgis-users] Re: looking for some perf data
Message-ID: <200611221009.40109.sdc@sdc.com.au>
Many years ago, I tried to implement a fairly simple GIS application
using separate B-trees on lat/long coordinates.
The idea died as soon as the data volumes became non-trivial.
The reason was obvious in hindsight: a query for x>=g1 and x <=g2 and
y>=t1 and y<=t2 using separate B-trees has to retrieve a "vertical" and
then a "horizontal" slice of the whole world and then take the
intersect.
R-trees, quad-trees etc greatly reduce this cost.
HTH,
Stephen Davies
--
========================================================================
This email is for the person(s) identified above, and is confidential to
the sender and the person(s). No one else is authorised to use or
disseminate this email or its contents.
Stephen Davies Consulting Voice: 08-8177 1595
Adelaide, South Australia. Fax: 08-8177 0133
Computing & Network solutions. Mobile:0403 0405 83
From robert.coup at onetrackmind.co.nz Tue Nov 21 16:12:28 2006
From: robert.coup at onetrackmind.co.nz (Robert Coup)
Date: Wed, 22 Nov 2006 13:12:28 +1300
Subject: [postgis-users] looking for some perf data
In-Reply-To: <45633583.2010009@sxpert.org>
References: <45632D76.6040609@sxpert.org> <4563337F.1090404@refractions.net> <45633404.7020604@sxpert.org> <456335C4.1060503@refractions.net>
<45633583.2010009@sxpert.org>
Message-ID: <456395EC.1030201@onetrackmind.co.nz>
raphael Jacquot wrote:
> Martin Davis wrote:
>> Well, those are range queries. Not too surprising, 99.9% of spatial
>> queries are.
>>
>> The real question is: given that every modern spatial database uses
>> some sort of spatial index (R-tree, quad-tree, or grid), why even
>> bother to question whether B-trees might be better?
>
> ask my boss :D
http://en.wikipedia.org/wiki/R-tree
>>> typically I'm looking to compare using
>>>
>>> create table blah1 (
>>> lon double precision,
>>> lat double precision
>>> )
>>> with one index on lon and another one on lat
>>>
>>> the classic request being
>>> lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
>>>
>>> and
>>>
>>> create table blah2 (
>>> position Point
>>> )
>>> with a gist r-tree index
>>>
>>> using the @ operator
Assuming a non-trivial sized dataset, here's a really simplistic
overview of my understanding ...
B-Tree on x & y:
1. search lat to find matching Lat slice of dataset == 1 tree
descent, returning 50K records
2. search lon to find matching Lon slice of dataset == 1 tree
descent, returning 50K records
3. perform AND on 1&2, returning 1K records
4. seq scan over 3 to check extents within the tree granularities,
returning 900 records
R-Tree on geom:
1. search to find matching bounds == 1 tree descent, returning 1K
records
2. seq scan over 1 to check extent within the tree granularity,
returning 900 records
It's pretty easy to use EXPLAIN to try it out (pgAdmin even has a nice
graphical view).
Rob :)
--
One Track Mind Ltd.
PO Box 1604, Shortland St, Auckland, New Zealand
Phone +64-9-966 0433 Mobile +64-21-572 632
Web http://www.onetrackmind.co.nz
From ollerery at engr.orst.edu Tue Nov 21 17:22:02 2006
From: ollerery at engr.orst.edu (Ryan Ollerenshaw)
Date: Tue, 21 Nov 2006 17:22:02 -0800
Subject: [postgis-users] Invalid Geometry
Message-ID: <4563A63A.3010605@engr.orst.edu>
Can anyone help me with this error, i cant seem to find the source of my
problem.
# UPDATE mro_asu SET the_geom = 'GeometryFromText(POLYGON((81 48, 82 48,
82 49, 81 49, 81 48)),4326)' WHERE team_id = 'PSP_001332_2620_RED';
ERROR: parse error - invalid geometry
My table looks like this
=# \d mro_asu
Table "public.mro_asu"
Column | Type | Modifiers
--------------+-----------------------------+-----------
team_id | character varying(100) |
date | date |
location | character varying(500) |
jpg | boolean |
jp2 | boolean |
browse | boolean |
thumb | boolean |
orbit | integer |
map_location | character varying(500) |
map_jpg | boolean |
map_jp2 | boolean |
map_browse | boolean |
map_thumb | boolean |
res | double precision |
minlat | double precision |
minlon | double precision |
maxlat | double precision |
maxlon | double precision |
the_geom | geometry |
starttime | timestamp without time zone |
stoptime | timestamp without time zone |
Check constraints:
"enforce_dims_the_geom" CHECK (ndims(the_geom) = 2)
"enforce_geotype_the_geom" CHECK (geometrytype(the_geom) =
'POLYGON'::text OR the_geom IS NULL)
"enforce_srid_the_geom" CHECK (srid(the_geom) = 4326)
Thank you very much.
-Ryan
From jackieict at gmail.com Tue Nov 21 17:31:47 2006
From: jackieict at gmail.com (zhang Jackie)
Date: Wed, 22 Nov 2006 09:31:47 +0800
Subject: [postgis-users] build a SDB cache for Spatial Database based on
postgis and postgresql
Message-ID: <13432ab00611211731g32104206kc2b6dcebcffd813e@mail.gmail.com>
I am interesting in PostGis and want to do something on it. My idea is
to build a Spatial Database Cache to accelerate GIS applications .So I want
to ask you some question and hope to get your answer. 1. As we all know,
PostGis is a Spatial extention for PostGreSQL. And there are also some other
products such as ArcSDE, Oracle Spatial .Have you ever do some performance
comparison between them.If you have ever done such work,Could you give me
some information on it. If not, is it because that you team did not care
about performance and just concerned with correctness of the program. And if
you can give me some materials on performance comparison on such Spatial
Database extention including ArcSDE, Oracle Spatial ,MySQL ,etc.
2. Since Google Earth is lauched ,Many GIS systems are used by more and
more people,so the important features of Software becomes more and more
important,such as sacalibity, robust, stability,etc. Can you give me some
information and papers on the bottleneck of these applications.Especially,
are computing and I/O requirements very important and become bottlenecks,Of
course, If you know some related solutions , you can mail me.
I have searche lots of papers and get an overview of it. But I felt I did
not figure out the truth. So I want to get some more accurate information
on this field.
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From pdoria at netmadeira.com Tue Nov 21 18:04:06 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Wed, 22 Nov 2006 02:04:06 -0000
Subject: [postgis-users] build a SDB cache for Spatial Database based
onpostgis and postgresql
In-Reply-To: <13432ab00611211731g32104206kc2b6dcebcffd813e@mail.gmail.com>
Message-ID: <003101c70dda$7e41c6a0$05d6bed5@oem41cbbf9e178>
Mr Jackie,
It's obvious you're pulling out straws since it's apparent that you don't
have a clue how to even benchmark Postgresql.
Solutions are as good as the one who develops them.
My best advice to you is that, beyond asking for free papers/experience, you
should first take the time to experiment/study Posgresql and specifically
PostGIS extensions, know how to benchmark your own implementations and then
compare the same line of though with other products.
Speaking strictly for myself, my company uses PG/PostGIS *extensively* with
tables spanning millions of records and we still tip the hat to the
PG/PostGIS developers.
Robustness is a given as well as scalability and stability. In short,
PG/PostGIS rocks!
Building a SDB is more complex than you can now imagine and it's a
multidisciplinary task.
Tip: start with asking small questions (reflecting your
commitment/investment to PG/PostGIS). This group is a very friendly bunch
(and helpful) when someone asks specific/informed questions.
Sincerely,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of zhang
Jackie
Sent: quarta-feira, 22 de Novembro de 2006 1:32
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] build a SDB cache for Spatial Database based
onpostgis and postgresql
I am interesting in PostGis and want to do something on it. My idea is
to build a Spatial Database Cache to accelerate GIS applications .So I want
to ask you some question and hope to get your answer.
1. As we all know, PostGis is a Spatial extention for PostGreSQL. And
there are also some other products such as ArcSDE, Oracle Spatial .Have you
ever do some performance comparison between them.If you have ever done such
work,Could you give me some information on it. If not, is it because that
you team did not care about performance and just concerned with correctness
of the program. And if you can give me some materials on performance
comparison on such Spatial Database extention including ArcSDE, Oracle
Spatial ,MySQL ,etc.
2. Since Google Earth is lauched ,Many GIS systems are used by more and
more people,so the important features of Software becomes more and more
important,such as sacalibity, robust, stability,etc. Can you give me some
information and papers on the bottleneck of these applications.Especially,
are computing and I/O requirements very important and become bottlenecks,Of
course, If you know some related solutions , you can mail me.
I have searche lots of papers and get an overview of it. But I felt I did
not figure out the truth. So I want to get some more accurate information on
this field.
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From jackieict at gmail.com Tue Nov 21 18:56:35 2006
From: jackieict at gmail.com (zhang Jackie)
Date: Wed, 22 Nov 2006 10:56:35 +0800
Subject: [postgis-users] build a SDB cache for Spatial Database based
onpostgis and postgresql
In-Reply-To: <003101c70dda$7e41c6a0$05d6bed5@oem41cbbf9e178>
References: <13432ab00611211731g32104206kc2b6dcebcffd813e@mail.gmail.com>
<003101c70dda$7e41c6a0$05d6bed5@oem41cbbf9e178>
Message-ID: <13432ab00611211856s3ee6486di9d918545285662d8@mail.gmail.com>
Mr.Pedro
your advice is very important for me an thank you very much for this.
can you tell me how to profile the performance of PostGreSQL?
you say "Solutions are as good as the one who develops them" Do you mean
that my cooperative cache idea can not achieve expected performance? and so
this is a not a good idea?
2006/11/22, Pedro Doria Meunier <pdoria at netmadeira.com>:
>
> Mr Jackie,
>
>
>
> It's obvious you're pulling out straws since it's apparent that you don't
> have a clue how to even benchmark Postgresql.
>
>
>
> Solutions are as good as the one who develops them.
>
> My best advice to you is that, beyond asking for free papers/experience,
> you should first take the time to experiment/study Posgresql and
> specifically PostGIS extensions, know how to benchmark your own
> implementations and then compare the same line of though with other
> products.
>
>
>
> Speaking strictly for myself, my company uses PG/PostGIS **extensively**
> with tables spanning millions of records and we still tip the hat to the
> PG/PostGIS developers.
>
> Robustness is a given as well as scalability and stability. In short,
> PG/PostGIS rocks!
>
>
>
> Building a SDB is more complex than you can now imagine and it's a
> multidisciplinary task.
>
>
>
> Tip: start with asking small questions (reflecting your
> commitment/investment to PG/PostGIS). This group is a very friendly bunch
> (and helpful) when someone asks specific/informed questions.
>
>
>
> Sincerely,
>
> *Pedro Doria Meunier*
>
> (351) 91 302 49 72 - (351) 96 247 99 12
>
> MSN - pdoriam at hotmail.com
>
> ICQ - 308-182-126
>
> Skype: pdoriam
>
>
> ------------------------------
>
> *From:* postgis-users-bounces at postgis.refractions.net [mailto:
> postgis-users-bounces at postgis.refractions.net] *On Behalf Of *zhang Jackie
> *Sent:* quarta-feira, 22 de Novembro de 2006 1:32
> *To:* postgis-users at postgis.refractions.net
> *Subject:* [postgis-users] build a SDB cache for Spatial Database based
> onpostgis and postgresql
>
>
>
> I am interesting in PostGis and want to do something on it. My idea is
> to build a Spatial Database Cache to accelerate GIS applications .So I want
> to ask you some question and hope to get your answer.
>
> 1. As we all know, PostGis is a Spatial extention for PostGreSQL. And
> there are also some other products such as ArcSDE, Oracle Spatial .Have you
> ever do some performance comparison between them.If you have ever done
> such work,Could you give me some information on it. If not, is it because
> that you team did not care about performance and just concerned with
> correctness of the program. And if you can give me some materials on
> performance comparison on such Spatial Database extention including ArcSDE,
> Oracle Spatial ,MySQL ,etc.
>
> 2. Since Google Earth is lauched ,Many GIS systems are used by more
> and more people,so the important features of Software becomes more and more
> important,such as sacalibity, robust, stability,etc. Can you give me some
> information and papers on the bottleneck of these applications.Especially,
> are computing and I/O requirements very important and become bottlenecks,Of
> course, If you know some related solutions , you can mail me.
>
> I have searche lots of papers and get an overview of it. But I felt I did
> not figure out the truth. So I want to get some more accurate information
> on this field.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
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From spatialguru.net at gmail.com Tue Nov 21 22:36:19 2006
From: spatialguru.net at gmail.com (Mark Thomas)
Date: Wed, 22 Nov 2006 00:36:19 -0600
Subject: [postgis-users] Re: Splitting multistrings
Message-ID: <2b5aa3d50611212236q7cd78350h5008b69448dc6d5@mail.gmail.com>
If you're just looking to iterate over all lines in a multilinestring do
something like this...
for i in 1..NumGeometries(the_geom) loop
a_geom := GeometryN(the_geom, i);
--do something
end loop;
On 11/21/06, postgis-users-request at postgis.refractions.net <
postgis-users-request at postgis.refractions.net> wrote:
>
> Send postgis-users mailing list submissions to
> postgis-users at postgis.refractions.net
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> or, via email, send a message with subject or body 'help' to
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>
> You can reach the person managing the list at
> postgis-users-owner at postgis.refractions.net
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of postgis-users digest..."
>
>
> Today's Topics:
>
> 1. runing postgis init scripts on a named schema (Dylan Beaudette)
> 2. Ubuntu install of PostGIS 1.1.6 failing (Allan Doyle)
> 3. RE: runing postgis init scripts on a named schema
> (Pedro Doria Meunier)
> 4. Re: runing postgis init scripts on a named schema
> (Dylan Beaudette)
> 5. Spatial Join Performance (Eric Shuman)
> 6. Re: SRID for Saudi Arabia (Markus Schaber)
> 7. lat and long format (Sunitha Bayana)
> 8. looking for some perf data (raphael Jacquot)
> 9. Re: looking for some perf data (Martin Davis)
> 10. Re: looking for some perf data (raphael Jacquot)
> 11. Re: looking for some perf data (Martin Davis)
> 12. Re: looking for some perf data (raphael Jacquot)
> 13. Splitting multistrings (Nick Black)
> 14. Re: Splitting multistrings (Steffen Macke)
> 15. Re: Splitting multistrings (Barend K ? bben)
> 16. Re: looking for some perf data (Paul Ramsey)
> 17. centroid() and AddGeometryColumn() questions
> (matt.pettis at thomson.com)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 20 Nov 2006 14:24:32 -0800
> From: Dylan Beaudette <dylan.beaudette at gmail.com>
> Subject: [postgis-users] runing postgis init scripts on a named schema
> To: postgis-users at postgis.refractions.net
> Message-ID: <200611201424.32336.dylan.beaudette at gmail.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi everyone,
>
> I have a fully functional postgis DB up and running, using the
> default 'public' schema. I have just added a new schema, and would like
> to 'spatially-enable' this new one.
>
> does anyone have tips on how this might be accomplished ?
>
>
> thanks in advance!
>
> --
> Dylan Beaudette
> Soils and Biogeochemistry Graduate Group
> University of California at Davis
> 530.754.7341
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 20 Nov 2006 18:45:50 -0500
> From: Allan Doyle <adoyle at eogeo.org>
> Subject: [postgis-users] Ubuntu install of PostGIS 1.1.6 failing
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <1D9F853E-B379-4D84-B8F2-3E5797FA573E at eogeo.org>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> I'm installing onto an up-to-date Ubuntu 6.06 system
>
> proj-4.5.0 installs ok
> geos-3.0.0rc2 installs ok
> postgis-1.1.6 gives the following errors:
>
> =====
> mwow% sudo su postgres
> postgres at mwow:/usr/local/src/postgis-1.1.6$ make check
> make -C regress test
> make[1]: Entering directory `/usr/local/src/postgis-1.1.6/regress'
> Creating spatial db postgis_reg
> ERROR: function postgis_lib_version() does not exist
> HINT: No function matches the given name and argument types. You may
> need to add explicit type casts.
>
> Something went wrong (no postgis installed in postgis_reg).
> For details, check /tmp/pgis_reg_17211/regress_log
>
> make[1]: *** [test] Error 1
> make[1]: Leaving directory `/usr/local/src/postgis-1.1.6/regress'
> make: *** [check] Error 2
> =====
>
> The contents of /tmp/pgis_reg_17211/regress_log are not enlightening
> to me:
> =====
> CREATE DATABASE
> BEGIN
> psql:lwpostgis.sql:39: NOTICE: type "histogram2d" is not yet defined
> DETAIL: Creating a shell type definition.
> psql:lwpostgis.sql:39: ERROR: could not load library "/usr/local/src/
> postgis-1.1.6/lwgeom/liblwgeom.so.1.1": libgeos_c.so.1: cannot open
> shared object file: No such file or directory
> psql:lwpostgis.sql:44: ERROR: current transaction is aborted,
> commands ignored until end of transaction block
> psql:lwpostgis.sql:52: ERROR: current transaction is aborted,
> commands ignored until end of transaction block
> psql:lwpostgis.sql:62: ERROR: current transaction is aborted,
> commands ignored until end of transaction block
>
> ... snip ...
>
> psql:lwpostgis.sql:3462: ERROR: current transaction is aborted,
> commands ignored until end of transaction block
> psql:lwpostgis.sql:3509: ERROR: current transaction is aborted,
> commands ignored until end of transaction block
> ROLLBACK
> =====
>
> I did check the geos build, there is a step that makes libgeos_c.so.1
> in /usr/local/lib.
>
> I tried explicitly setting --with-geos-libdir=/usr/local/lib but
> there's no difference.
>
> Has anyone bumped into (and solved!) this?
>
> Thanks,
>
> Allan
>
> --
> Allan Doyle
> +1.781.433.2695
> adoyle at eogeo.org
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 20 Nov 2006 23:46:04 -0000
> From: "Pedro Doria Meunier" <pdoria at netmadeira.com>
> Subject: RE: [postgis-users] runing postgis init scripts on a named
> schema
> To: <dylan.beaudette at gmail.com>, "'PostGIS Users Discussion'"
> <postgis-users at postgis.refractions.net>
> Message-ID: <000001c70cfe$0af31dc0$05d6bed5 at oem41cbbf9e178>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi Dylan,
>
> That depends...
> What's your operating system?
> Are you compiling from sources?
>
>
> Pedro Doria Meunier
> (351) 91 302 49 72 - (351) 96 247 99 12
> MSN - pdoriam at hotmail.com
> ICQ - 308-182-126
> Skype: pdoriam
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Dylan
> Beaudette
> Sent: segunda-feira, 20 de Novembro de 2006 22:25
> To: postgis-users at postgis.refractions.net
> Subject: [postgis-users] runing postgis init scripts on a named schema
>
> Hi everyone,
>
> I have a fully functional postgis DB up and running, using the
> default 'public' schema. I have just added a new schema, and would like
> to 'spatially-enable' this new one.
>
> does anyone have tips on how this might be accomplished ?
>
>
> thanks in advance!
>
> --
> Dylan Beaudette
> Soils and Biogeochemistry Graduate Group
> University of California at Davis
> 530.754.7341
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 20 Nov 2006 16:30:24 -0800
> From: Dylan Beaudette <dylan.beaudette at gmail.com>
> Subject: Re: [postgis-users] runing postgis init scripts on a named
> schema
> To: postgis-users at postgis.refractions.net
> Message-ID: <200611201630.24632.dylan.beaudette at gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> On Monday 20 November 2006 14:24, Dylan Beaudette wrote:
> > Hi everyone,
> >
> > I have a fully functional postgis DB up and running, using the
> > default 'public' schema. I have just added a new schema, and would like
> > to 'spatially-enable' this new one.
> >
> > does anyone have tips on how this might be accomplished ?
> >
> >
> > thanks in advance!
>
> note that this is on debian linux, postgres 8.1.2, postgis 1.1.1
>
> thanks
>
> --
> Dylan Beaudette
> Soils and Biogeochemistry Graduate Group
> University of California at Davis
> 530.754.7341
>
>
> ------------------------------
>
> Message: 5
> Date: Mon, 20 Nov 2006 17:19:30 -0800
> From: "Eric Shuman" <erics at ameri-title.com>
> Subject: [postgis-users] Spatial Join Performance
> To: "Postgis-Users" <postgis-users at postgis.refractions.net>
> Message-ID: <KMEIKNPGBOLILGCIHBLCKEBHCBAA.erics at ameri-title.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Paul,
>
> I did try using distance function instead of contains and the query
> completed much faster! 30 minutes instead of 2.5 hours. Thanks for the
> tip!!!
>
> But... =>
> Another issue was brought up earlier in this thread mentioning that not
> all
> taxlot will be in just one zone... which has now brought up another road
> block. I have been taking care of this issue by selecting distinct on
> (taxlot,zone) then grouping on the taxlot and concatenating the zone with
> a
> delimiter.
>
> The issue now is that comparing on a point won't pick up all the zones (I
> was just going to accept this), but comparing on the polygon gets false
> hits
> due to topological shifting and errors. I am experimenting with creating
> a
> negative buffer and comparing its distance to the zone. This works on a
> test subject lot.
>
> The road block is this... When I try to run the query on my entire data
> set
> I get this error.
> -----------------------------------------------
> server closed the connection unexpectedly
> This probably means the server terminated abnormally
> before or while processing the request.
> -----------------------------------------------
>
> To speed up the buffer I have also simplified the_geom.(this works) I
> broke
> the steps down by creating additional geometry fields in my taxlot layer
> to
> hold the simplified geometry and then the buffered geometry. The simplify
> step works, the buffer is where it bails.
>
> The taxlot geometries as multipolygon. I ran an isvalid() on the geometry
> and found some to be invalid, but if I exclude them from the query I still
> get the server crash.
>
> Here are the queries:
> --SELECT
> AddGeometryColumn('','taxlot','the_simple_geom','-1','GEOMETRY',2);
> --update taxlot set the_simple_geom = simplify(taxlot.the_geom,5);
> --SELECT
> AddGeometryColumn('','taxlot','the_buffer_geom','-1','GEOMETRY',2);
> --update taxlot set the_buffer_geom = buffer(taxlot.the_simple_geom,-5);
> BAILS HERE
>
>
> Any ideas on what might be wrong???
>
> (should this be a new thread?)
>
> ---------------
> Eric Shuman
>
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Tue, 21 Nov 2006 13:31:49 +0100
> From: Markus Schaber <schabi at logix-tt.com>
> Subject: Re: [postgis-users] SRID for Saudi Arabia
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <4562F1B5.7010304 at logix-tt.com>
> Content-Type: text/plain; charset=ISO-8859-15
>
> Hi, Stephen,
>
> Stephen Davies wrote:
> > Could somebody please point me at the correct (latlong) SRID for the
> > Riyadh region of Saudi Arabia.
>
> There are several SRIDs, depending on the projection used.
>
> E. G. all world-wide lat/lon formats like WGS85 (SRID 4326) cover Saudi
> Arabia. But there is an UTM zone, as well...
>
> So without knowing the projection information, we can't tell you the SRID.
>
> HTH,
> Markus
>
> --
> Markus Schaber | Logical Tracking&Tracing International AG
> Dipl. Inf. | Software Development GIS
>
> Fight against software patents in Europe! www.ffii.org
> www.nosoftwarepatents.org
>
>
> ------------------------------
>
> Message: 7
> Date: Tue, 21 Nov 2006 08:44:11 -0800
> From: "Sunitha Bayana" <sbayana at sidestep.com>
> Subject: [postgis-users] lat and long format
> To: <postgis-users at postgis.refractions.net>
> Message-ID:
> <
> 1C8FFEE4F601A74EBF7E78E38EA5E53807525C1E at mailbox.jayst.sidestep.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi
>
>
>
>
>
>
>
> Is there any way in postgis to convert the lat and long from degree system
> to
> decimal system. I have the data in the format as below
>
>
>
>
>
>
>
> 17.21.00S
>
>
>
>
>
>
>
> 145.30.00W
>
>
>
>
>
>
>
>
>
>
>
>
>
> Thanks in advance.
>
>
>
>
>
>
>
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>
> ------------------------------
>
> Message: 8
> Date: Tue, 21 Nov 2006 17:46:46 +0100
> From: raphael Jacquot <sxpert at sxpert.org>
> Subject: [postgis-users] looking for some perf data
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <45632D76.6040609 at sxpert.org>
> Content-Type: text/plain; charset=ISO-8859-15; format=flowed
>
> hi there
> I'm looking for some hard verifiable proof that using r-tree based
> geometry indexes is better than using 2 columns and a btree index on it,
> performance wise.
>
> has there any study done on that ?
>
>
> ------------------------------
>
> Message: 9
> Date: Tue, 21 Nov 2006 09:12:31 -0800
> From: Martin Davis <mbdavis at refractions.net>
> Subject: Re: [postgis-users] looking for some perf data
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <4563337F.1090404 at refractions.net>
> Content-Type: text/plain; charset=ISO-8859-15; format=flowed
>
> First of all, you need to be more specific. The performance of an index
> is related to the kinds of queries you are making on it. If you are
> making a simple equality query, then a B-tree on the (x,y) pair is
> probably fine. But if you're wanting to do range searches in two
> dimensions, a B-tree does not support this kind of query, and hence
> performance will be slow compared to an access method which does support
> this (e.g. R-tree, quad-tree, etc etc).
>
> I don't know of any reference which has a "hard verifiable" comparison
> with a simple B-tree for range queries. I suspect this is because the
> performance difference is so obviously bad for B-trees that researchers
> haven't bothered to document it.
>
> You might try looking at two of the books by Hanan Samet:
>
> Foundations of Multidimensional and Metric Data Structures
> The Design and Analysis of Spatial Data Structures
>
> You could also try the original R-tree papers, or a survey entitled
> "R-Trees are everywhere". Also a paper entitled "Multidimensional
> Access Methods" by Gaede et al.
>
>
> raphael Jacquot wrote:
> > hi there
> > I'm looking for some hard verifiable proof that using r-tree based
> > geometry indexes is better than using 2 columns and a btree index on
> > it, performance wise.
> >
> > has there any study done on that ?
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
>
> --
> Martin Davis
> Senior Technical Architect
> Refractions Research, Inc.
> (250) 383-3022
>
>
>
> ------------------------------
>
> Message: 10
> Date: Tue, 21 Nov 2006 18:14:44 +0100
> From: raphael Jacquot <sxpert at sxpert.org>
> Subject: Re: [postgis-users] looking for some perf data
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <45633404.7020604 at sxpert.org>
> Content-Type: text/plain; charset=ISO-8859-15; format=flowed
>
> Martin Davis wrote:
> > First of all, you need to be more specific. The performance of an index
> > is related to the kinds of queries you are making on it. If you are
> > making a simple equality query, then a B-tree on the (x,y) pair is
> > probably fine. But if you're wanting to do range searches in two
> > dimensions, a B-tree does not support this kind of query, and hence
> > performance will be slow compared to an access method which does support
> > this (e.g. R-tree, quad-tree, etc etc).
>
> typically I'm looking to compare using
>
> create table blah1 (
> lon double precision,
> lat double precision
> )
> with one index on lon and another one on lat
>
> the classic request being
> lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
>
> and
>
> create table blah2 (
> position Point
> )
> with a gist r-tree index
>
> using the @ operator
>
> > raphael Jacquot wrote:
> >> hi there
> >> I'm looking for some hard verifiable proof that using r-tree based
> >> geometry indexes is better than using 2 columns and a btree index on
> >> it, performance wise.
> >>
> >> has there any study done on that ?
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> >
>
>
>
> ------------------------------
>
> Message: 11
> Date: Tue, 21 Nov 2006 09:22:12 -0800
> From: Martin Davis <mbdavis at refractions.net>
> Subject: Re: [postgis-users] looking for some perf data
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <456335C4.1060503 at refractions.net>
> Content-Type: text/plain; charset=ISO-8859-15; format=flowed
>
> Well, those are range queries. Not too surprising, 99.9% of spatial
> queries are.
>
> The real question is: given that every modern spatial database uses some
> sort of spatial index (R-tree, quad-tree, or grid), why even bother to
> question whether B-trees might be better?
>
> raphael Jacquot wrote:
> >
> > typically I'm looking to compare using
> >
> > create table blah1 (
> > lon double precision,
> > lat double precision
> > )
> > with one index on lon and another one on lat
> >
> > the classic request being
> > lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
> >
> > and
> >
> > create table blah2 (
> > position Point
> > )
> > with a gist r-tree index
> >
> > using the @ operator
>
> --
> Martin Davis
> Senior Technical Architect
> Refractions Research, Inc.
> (250) 383-3022
>
>
>
> ------------------------------
>
> Message: 12
> Date: Tue, 21 Nov 2006 18:21:07 +0100
> From: raphael Jacquot <sxpert at sxpert.org>
> Subject: Re: [postgis-users] looking for some perf data
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <45633583.2010009 at sxpert.org>
> Content-Type: text/plain; charset=ISO-8859-15; format=flowed
>
> Martin Davis wrote:
> > Well, those are range queries. Not too surprising, 99.9% of spatial
> > queries are.
> >
> > The real question is: given that every modern spatial database uses some
> > sort of spatial index (R-tree, quad-tree, or grid), why even bother to
> > question whether B-trees might be better?
>
> ask my boss :D
>
> > raphael Jacquot wrote:
> >>
> >> typically I'm looking to compare using
> >>
> >> create table blah1 (
> >> lon double precision,
> >> lat double precision
> >> )
> >> with one index on lon and another one on lat
> >>
> >> the classic request being
> >> lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
> >>
> >> and
> >>
> >> create table blah2 (
> >> position Point
> >> )
> >> with a gist r-tree index
> >>
> >> using the @ operator
> >
>
>
>
> ------------------------------
>
> Message: 13
> Date: Tue, 21 Nov 2006 17:21:22 +0000
> From: "Nick Black" <nickblack1 at gmail.com>
> Subject: [postgis-users] Splitting multistrings
> To: "PostGIS Users Discussion" <postgis-users at postgis.refractions.net>
> Message-ID:
> <223020e60611210921y6f4d68buaf0310e7a5fae6c5 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hi,
>
> I'm trying to split multistrings into individual linestrings using SQL
> within PostGIS, but I cant find an appropriate function. Is it
> possible to do this using SQL? If not, does anyone know a way this
> can be done?
>
> Many Thanks
>
> Nick
>
>
> ------------------------------
>
> Message: 14
> Date: Tue, 21 Nov 2006 19:28:55 +0200
> From: "Steffen Macke" <sdteffen at gmail.com>
> Subject: Re: [postgis-users] Splitting multistrings
> To: "PostGIS Users Discussion" <postgis-users at postgis.refractions.net>
> Message-ID:
> <3cb1691c0611210928h56023b9dtd3faea5ed6f0b9cd at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hi Nick,
>
> > I'm trying to split multistrings into individual linestrings using SQL
> > within PostGIS, but I cant find an appropriate function. Is it
> > possible to do this using SQL? If not, does anyone know a way this
> > can be done?
>
> Did you have a look at the GeometryN() function?
> Together with the PostgreSQL generate_series() and NumGeometries() you
> should be able to split your lines accordingly.
>
> Or do you have to insert new vertices at the split points? In this
> case, a little bit
> of additional information would help.
>
> Regards,
>
> Steffen
>
>
> ------------------------------
>
> Message: 15
> Date: Tue, 21 Nov 2006 18:54:53 +0100
> From: Barend K ? bben <kobben at itc.nl>
> Subject: Re: [postgis-users] Splitting multistrings
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <C188FBFD.36C0%kobben at itc.nl>
> Content-Type: text/plain; charset="ISO-8859-1"
>
> Hi ,
>
> Find below an example how to change MultiPolygons to Polygons, Should eb
> simple to convert for (mulit)linestrings...
>
>
> __
> Barend K?bben
> International Institute for Geo-information
> Sciences and Earth Observation (ITC)
> PO Box 6, 7500AA Enschede (The Netherlands)
> ph: +31 (0)53 4874253; fax: +31 (0)53 4874335
>
> +++++++++++++
>
> --
> -- STEP 1: get maximum of NumGeometries into tmp table
> --
>
> CREATE TABLE tmp (maxnumgeoms int4) WITH OIDS;
>
> INSERT into tmp
> (select gid from world where gid <=
> (select max(NumGeometries(the_geom)) from world)
> );
>
> --
> -- STEP 2: create World_exploded table
> --
>
> CREATE SEQUENCE world_exploded_id_seq
> INCREMENT 1
> MINVALUE 1
> MAXVALUE 9223372036854775807
> START 1
> CACHE 1;
>
> CREATE TABLE world_exploded
> (
> id int4 NOT NULL DEFAULT nextval('world_exploded_id_seq'::regclass),
> gid int4 NOT NULL,
> the_geom geometry,
> CONSTRAINT world_exploded_pkey PRIMARY KEY (id),
> CONSTRAINT enforce_dims_the_geom CHECK (ndims(the_geom) = 2),
> CONSTRAINT enforce_geotype_the_geom CHECK (geometrytype(the_geom) =
> 'POLYGON'::text OR the_geom IS NULL),
> CONSTRAINT enforce_srid_the_geom CHECK (srid(the_geom) = 4326)
> ) ;
>
> CREATE INDEX world_exploded_the_geom_gist
> ON world_exploded USING gist(the_geom);
>
> CREATE INDEX world_exploded_gid
> ON world_exploded USING btree(gid);
>
> --
> -- STEP 3: insert exploded polygons
> --
>
> insert into world_exploded (gid,the_geom)
> select
> gid, GeometryN(world.the_geom,maxnumgeoms)
> from tmp,world
>
>
>
> ------------------------------
>
> Message: 16
> Date: Tue, 21 Nov 2006 10:53:24 -0800
> From: Paul Ramsey <pramsey at refractions.net>
> Subject: Re: [postgis-users] looking for some perf data
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <45634B24.1070907 at refractions.net>
> Content-Type: text/plain; charset=ISO-8859-15; format=flowed
>
> It's not so much a matter of "better" as it is a matter of "good
> enough". As long as your data volume remains low enough, you can keep
> your simple non-spatial tables and b-trees. At some point you'll flip
> though and need to move to spatial for "adequate" performance. It all
> depends on your definitions of "large" and "adequate", none of which are
> in scope for me :)
>
> P
>
> Martin Davis wrote:
> > Well, those are range queries. Not too surprising, 99.9% of spatial
> > queries are.
> >
> > The real question is: given that every modern spatial database uses some
> > sort of spatial index (R-tree, quad-tree, or grid), why even bother to
> > question whether B-trees might be better?
> >
> > raphael Jacquot wrote:
> >>
> >> typically I'm looking to compare using
> >>
> >> create table blah1 (
> >> lon double precision,
> >> lat double precision
> >> )
> >> with one index on lon and another one on lat
> >>
> >> the classic request being
> >> lon>constant1 and lon<constant2 and lat>constant3 and lat<constant4
> >>
> >> and
> >>
> >> create table blah2 (
> >> position Point
> >> )
> >> with a gist r-tree index
> >>
> >> using the @ operator
> >
>
>
>
> ------------------------------
>
> Message: 17
> Date: Tue, 21 Nov 2006 13:04:07 -0600
> From: <matt.pettis at thomson.com>
> Subject: [postgis-users] centroid() and AddGeometryColumn() questions
> To: <postgis-users at postgis.refractions.net>
> Message-ID:
> <
> 89C159F45B13A24682D98BDEF58E451F0B331CAA at TLRUSMNEAGMBX28.ERF.THOMSON.COM>
>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi,
>
> I am trying to add a column to my table that lists the centroids the
> polygon described in the 'the_geom' field. I use the following, which
> works (I think), but of which I have questions:
>
> SELECT AddGeometryColumn( '', 'shp_mcd', 'centroid', -1, 'POINT', 2 );
> UPDATE shp_mcd SET centroid = centroid ( the_geom );
>
> My question is about the final argument to AddGeometryColumn.
> Documentation states that centroid() returns a POINT. I figure that
> that implies that the last argument should then be a 0, not a 2. But if
> I use a 0 in the last field, the updated doesn't work -- it tells me
> that i violate a dimension constraint. Can someone explain why I need
> to have a 2 as the last argument and not a 0? It doesn't make sense to
> me.
>
> Thanks,
> Matt
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>
> ------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
> End of postgis-users Digest, Vol 49, Issue 21
> *********************************************
>
--
Regards,
Mark Thomas
spatialguru.net at gmail.com
205.529.9013
"Commit to the Lord whatever you do,
and your plans will succeed." - Proverbs 16:3
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From kobben at itc.nl Wed Nov 22 01:54:43 2006
From: kobben at itc.nl (Barend K=?ISO-8859-1?B?9g==?=bben)
Date: Wed, 22 Nov 2006 10:54:43 +0100
Subject: [postgis-users] Invalid Geometry
In-Reply-To: <4563A63A.3010605@engr.orst.edu>
Message-ID: <C189DCF3.36DC%kobben@itc.nl>
I think
'GeometryFromText(POLYGON((81 48, 82 48,
82 49, 81 49, 81 48)),4326)'
Should be
GeometryFromText('POLYGON((81 48, 82 48,
82 49, 81 49, 81 48)),4326')
Mind the quotes, they contain the string that indeed should be made into a
geometry
On 22-11-2006 02:22, "Ryan Ollerenshaw" <ollerery at engr.orst.edu> wrote:
> 'GeometryFromText(POLYGON((81 48, 82 48,
> 82 49, 81 49, 81 48)),4326)'
From maovieira at gmail.com Wed Nov 22 03:17:25 2006
From: maovieira at gmail.com (marco vieira)
Date: Wed, 22 Nov 2006 09:17:25 -0200
Subject: [postgis-users] lat and long format
In-Reply-To: <1C8FFEE4F601A74EBF7E78E38EA5E53807525C1E@mailbox.jayst.sidestep.com>
References: <1C8FFEE4F601A74EBF7E78E38EA5E53807525C1E@mailbox.jayst.sidestep.com>
Message-ID: <5becacd20611220317i6cb87ceetc71ffe4d540514bc@mail.gmail.com>
Sunitha:
Use a simple mathematical sentence like:
select (substring(lat from 1 for 2)::float+substring(lat from 4 for
2)::float/60.0+substring(lat from 7 for 2)::float/3600.0)*-1.0
from (
select '17.21.00S'::text as lat
) as foo
Be careful with the "seconds" on sexagezimal sintax becouse you can have
data with more digits than 2 and use -1.0 product only in ocident (W) and
meridional hemisphere (S).
Regards,
--
Marco Vieira
+55 21 9499-6800
e-mail: maovieira at gmail.com
2006/11/21, Sunitha Bayana <sbayana at sidestep.com>:
>
> Hi
>
>
>
>
>
>
>
> Is there any way in postgis to convert the lat and long from degree system
> to decimal system. I have the data in the format as below
>
>
>
>
>
>
>
> 17.21.00S
>
>
>
>
>
>
>
> 145.30.00W
>
>
>
>
>
>
>
>
>
>
>
>
>
> Thanks in advance.
>
>
>
>
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
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From robtester at gmail.com Wed Nov 22 05:50:24 2006
From: robtester at gmail.com (Rob Tester)
Date: Wed, 22 Nov 2006 06:50:24 -0700
Subject: [postgis-users] Help with fixing invalid geometries
Message-ID: <010901c70e3d$2aa4dd30$7203a8c0@susa.local>
I imported some shape files into postgres everything went well except that many (several thousand) of the polygons have self intersections. I was wondering if there was a way to easily find the point(s) on the polygon that causes the self intersection as well as then 'nudge' the point away from the line it is intersecting. I would prefer to not do this manually if possible. Any thoughts?
Thanks,
Rob
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From jan.syryn at trasys.be Wed Nov 22 06:32:00 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Wed, 22 Nov 2006 15:32:00 +0100
Subject: [postgis-users] Hibernate with PostGIS
In-Reply-To: <c653c98f0611180654n61d6e790t77489331da6b4849@mail.gmail.com>
Message-ID: <004a01c70e42$f98a2880$0801a8c0@ariane.tractebel.be>
Hi Sandeep,
I am also doing a project with PostgresSQL/PostGIS and Hibernate.
In general: it seems that you are lacking a common knowledge of Hibernate in
general and that you problems are merely related to Hibernate than to
PostGIS.
In a normal Hibernate situation, you don't need to create the database
schema automatically, so you should not use the property hbm2dll.auto.
I propose you leave it out of you config file.
You just create the Geometry column in your table of the DB.
Also, it is a good practice to add a constructor to your POJO objects This
helps of easely creating objects that need to persisted in the database
Little suggestion:
- make the geometry column nullable. With the correction of Dave you should
be able of doing so with the GeometryUserType.
- Add for exemple an extra 'name' field to your table.
- Try to add a line in your DB without the geometry column.
for exemple:
session.save(new RoadNetwork("sandeep"))
This way, you know a) your keygenerator works b) a session is well
intantiated c) transaction did work
- If this goes well, try to use the postgis component:
Geometry myGeom = factory.createGeometry();
session.save(new RoadNetwork("sandeep",myGeom))
HIH (I hope it helps),
Jan
PS: I am also using Spring. But this is not your problem. The use of Spring
only complicate the things. Try to get the thing fired as simple as
possible. Then start building things up from there.
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Sandeep
Kumar Jakkaraju
Sent: samedi 18 novembre 2006 15:54
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Hibernate with PostGIS
I think Hibernate cannot create that Geometry column automatically !!!
is it something to do with hbm2ddl.auto !!
I am able to ..get the geometry from a table with geometry column already
created ...
Norman -->> Would you like me to create a simple tutorial on how to use
Hibernate with Postgis ..your tutorial .. is not easy to understand ...
Thanks
Sandeep
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From sandeepkumar.jakkaraju at gmail.com Wed Nov 22 07:10:28 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Wed, 22 Nov 2006 20:40:28 +0530
Subject: [postgis-users] Hibernate with PostGIS
In-Reply-To: <004a01c70e42$f98a2880$0801a8c0@ariane.tractebel.be>
References: <c653c98f0611180654n61d6e790t77489331da6b4849@mail.gmail.com>
<004a01c70e42$f98a2880$0801a8c0@ariane.tractebel.be>
Message-ID: <c653c98f0611220710y7cb9d64asb61ec1e298cf77b9@mail.gmail.com>
Hello Jan ..
Thanks for ur reply .. u r right i am newbie in Hibernate and Spring !!
I thought that creating table schema automatically is a GOOD feature of
Hibernate ..
For example:-
If your application is using some tables .. u create those tables in your db
..
but when u want to use some other db ..u have to send all the sql scripts
with schema.. and some has to run it ...to create the table schemas...
But If you u r using hibernate ...there is no need for this ..because it
automatically creates the table schemas ..
Please correct do me ..if my argument is wrong ..
With Hibernate-PostGIS .. it is not able to create the Geometry column
automatically .. i thought it was BUG which needed attention .. so i posted
it ...
I have no other problem with using Hibernate with postgis ....
I really appreciate ur other suggestions as well..
Thanks
Regards
Sandeep
On 11/22/06, Jan Syryn <jan.syryn at trasys.be> wrote:
>
> Hi Sandeep,
>
> I am also doing a project with PostgresSQL/PostGIS and Hibernate.
>
> In general: it seems that you are lacking a common knowledge of Hibernate
> in general and that you problems are merely related to Hibernate than to
> PostGIS.
>
> In a normal Hibernate situation, you don't need to create the database
> schema automatically, so you should not use the property hbm2dll.auto.
> I propose you leave it out of you config file.
> You just create the Geometry column in your table of the DB.
> Also, it is a good practice to add a constructor to your POJO objects This
> helps of easely creating objects that need to persisted in the database
>
>
> Little suggestion:
> - make the geometry column nullable. With the correction of Dave you
> should be able of doing so with the GeometryUserType.
> - Add for exemple an extra 'name' field to your table.
> - Try to add a line in your DB without the geometry column.
> for exemple:
> session.save(new RoadNetwork("sandeep"))
> This way, you know a) your keygenerator works b) a session is
> well intantiated c) transaction did work
> - If this goes well, try to use the postgis component:
>
> Geometry myGeom = factory.createGeometry();
> session.save(new RoadNetwork("sandeep",myGeom))
>
> HIH (I hope it helps),
> Jan
>
> PS: I am also using Spring. But this is not your problem. The use of
> Spring only complicate the things. Try to get the thing fired as simple as
> possible. Then start building things up from there.
>
> ------------------------------
> *From:* postgis-users-bounces at postgis.refractions.net [mailto:
> postgis-users-bounces at postgis.refractions.net] *On Behalf Of *Sandeep
> Kumar Jakkaraju
> *Sent:* samedi 18 novembre 2006 15:54
> *To:* PostGIS Users Discussion
> *Subject:* Re: [postgis-users] Hibernate with PostGIS
>
>
> I think Hibernate cannot create that Geometry column automatically !!!
> is it something to do with hbm2ddl.auto !!
>
>
> I am able to ..get the geometry from a table with geometry column already
> created ...
>
> Norman -->> Would you like me to create a simple tutorial on how to use
> Hibernate with Postgis ..your tutorial .. is not easy to understand ...
>
>
> Thanks
> Sandeep
>
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From jan.syryn at trasys.be Wed Nov 22 09:14:36 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Wed, 22 Nov 2006 18:14:36 +0100
Subject: [postgis-users] Hibernate with PostGIS
In-Reply-To: <c653c98f0611220710y7cb9d64asb61ec1e298cf77b9@mail.gmail.com>
Message-ID: <00d901c70e59$b0280740$0801a8c0@ariane.tractebel.be>
Yes indeed, Hibernate has the possibility to create a schema for you.
And yes, it is practical, I used it also.
But the problem is, it is not well done.
For example: the name of the PK en FK indices are random. Not nice if you
have a fk144524524541 contraint exception
Also when you execute your code, you will also loose all your data already
inserted before. (he creates new tables).
So I used it once, cleaned the schema and never uses it again.
What is your status exactly ? Do you succeed in inserting an object (without
PostGis data) into your DB ?
It is possible (and probably true) that Hibernate is not capable of creating
a Geometry column itself.
But what is the use or benefit ? Very limited.
Like I said:
- make a working version without Geometry (with the auto-creation feature if
you want).
- remove the auto-creating feature
- Add a column yourself in db that is of type Geometry
- try to insert a POJO that also contains the Geometry.
Try to keep it simple !
Jan
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Sandeep
Kumar Jakkaraju
Sent: mercredi 22 novembre 2006 16:10
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Hibernate with PostGIS
Hello Jan ..
Thanks for ur reply .. u r right i am newbie in Hibernate and Spring !!
I thought that creating table schema automatically is a GOOD feature of
Hibernate ..
For example:-
If your application is using some tables .. u create those tables in your db
..
but when u want to use some other db ..u have to send all the sql scripts
with schema.. and some has to run it ...to create the table schemas...
But If you u r using hibernate ...there is no need for this ..because it
automatically creates the table schemas ..
Please correct do me ..if my argument is wrong ..
With Hibernate-PostGIS .. it is not able to create the Geometry column
automatically .. i thought it was BUG which needed attention .. so i posted
it ...
I have no other problem with using Hibernate with postgis ....
I really appreciate ur other suggestions as well..
Thanks
Regards
Sandeep
On 11/22/06, Jan Syryn <jan.syryn at trasys.be> wrote:
Hi Sandeep,
I am also doing a project with PostgresSQL/PostGIS and Hibernate.
In general: it seems that you are lacking a common knowledge of Hibernate in
general and that you problems are merely related to Hibernate than to
PostGIS.
In a normal Hibernate situation, you don't need to create the database
schema automatically, so you should not use the property hbm2dll.auto.
I propose you leave it out of you config file.
You just create the Geometry column in your table of the DB.
Also, it is a good practice to add a constructor to your POJO objects This
helps of easely creating objects that need to persisted in the database
Little suggestion:
- make the geometry column nullable. With the correction of Dave you should
be able of doing so with the GeometryUserType.
- Add for exemple an extra 'name' field to your table.
- Try to add a line in your DB without the geometry column.
for exemple:
session.save(new RoadNetwork("sandeep"))
This way, you know a) your keygenerator works b) a session is well
intantiated c) transaction did work
- If this goes well, try to use the postgis component:
Geometry myGeom = factory.createGeometry();
session.save(new RoadNetwork("sandeep",myGeom))
HIH (I hope it helps),
Jan
PS: I am also using Spring. But this is not your problem. The use of Spring
only complicate the things. Try to get the thing fired as simple as
possible. Then start building things up from there.
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Sandeep
Kumar Jakkaraju
Sent: samedi 18 novembre 2006 15:54
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Hibernate with PostGIS
I think Hibernate cannot create that Geometry column automatically !!!
is it something to do with hbm2ddl.auto !!
I am able to ..get the geometry from a table with geometry column already
created ...
Norman -->> Would you like me to create a simple tutorial on how to use
Hibernate with Postgis ..your tutorial .. is not easy to understand ...
Thanks
Sandeep
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
<mailto:postgis-users at postgis.refractions.net>
http://postgis.refractions.net/mailman/listinfo/postgis-users
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From jan.syryn at trasys.be Wed Nov 22 09:28:57 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Wed, 22 Nov 2006 18:28:57 +0100
Subject: [postgis-users] build a SDB cache for Spatial Database
basedonpostgis and postgresql
In-Reply-To: <13432ab00611211856s3ee6486di9d918545285662d8@mail.gmail.com>
Message-ID: <00fc01c70e5b$b16c3520$0801a8c0@ariane.tractebel.be>
Mr Jackie,
My advice is (and a bit the same as Pedro):
If you are not very experienced but there is (lot of) money in the project:
don't hesitate and go for ORACLE / SPATIAL.
I offeres a very extended, stable, framework with zillion of features.
Furthermore, they offer a very quick and elaborate support system.
To conclude: VERY proffessional, but RATHER expensive.
If you wanna go for the 'cheap' version. Then Postgis is a choice. It still
has a rather fast update-cycle (this means it is not that stable yet).
But that is logic: it is open source.
Also support......... by the people like this little mailing list.
So not that professional, and above all (like Pedro indicated too): most of
the solutions you have to devine yourself and ask simple/small questions to
mailing list.
ArcView: same story: commercial, professional and licenced
Choice between Oracle or Arcview ? I don't know. First, I only worked with
Oracle/Spatial and that rockes as hell. Second, it depends on the budget and
other factors like:
- dimension (DB/DB-cluster ; mono-processors /multi-processors) (Oracle for
example is licenced by CPU)
- response time
- ..........
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of zhang
Jackie
Sent: mercredi 22 novembre 2006 03:57
To: PostGIS Users Discussion
Subject: Re: [postgis-users] build a SDB cache for Spatial Database
basedonpostgis and postgresql
Mr.Pedro
your advice is very important for me an thank you very much for this.
can you tell me how to profile the performance of PostGreSQL?
you say "Solutions are as good as the one who develops them" Do you mean
that my cooperative cache idea can not achieve expected performance? and so
this is a not a good idea?
2006/11/22, Pedro Doria Meunier <pdoria at netmadeira.com>:
Mr Jackie,
It's obvious you're pulling out straws since it's apparent that you don't
have a clue how to even benchmark Postgresql.
Solutions are as good as the one who develops them.
My best advice to you is that, beyond asking for free papers/experience, you
should first take the time to experiment/study Posgresql and specifically
PostGIS extensions, know how to benchmark your own implementations and then
compare the same line of though with other products.
Speaking strictly for myself, my company uses PG/PostGIS *extensively * with
tables spanning millions of records and we still tip the hat to the
PG/PostGIS developers.
Robustness is a given as well as scalability and stability. In short,
PG/PostGIS rocks!
Building a SDB is more complex than you can now imagine and it's a
multidisciplinary task.
Tip: start with asking small questions (reflecting your
commitment/investment to PG/PostGIS). This group is a very friendly bunch
(and helpful) when someone asks specific/informed questions.
Sincerely,
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
_____
From: postgis-users-bounces at postgis.refractions.net [mailto:
<mailto:postgis-users-bounces at postgis.refractions.net>
postgis-users-bounces at postgis.refractions.net] On Behalf Of zhang Jackie
Sent: quarta-feira, 22 de Novembro de 2006 1:32
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] build a SDB cache for Spatial Database based
onpostgis and postgresql
I am interesting in PostGis and want to do something on it. My idea is
to build a Spatial Database Cache to accelerate GIS applications .So I want
to ask you some question and hope to get your answer.
1. As we all know, PostGis is a Spatial extention for PostGreSQL. And
there are also some other products such as ArcSDE, Oracle Spatial .Have you
ever do some performance comparison between them.If you have ever done such
work,Could you give me some information on it. If not, is it because that
you team did not care about performance and just concerned with correctness
of the program. And if you can give me some materials on performance
comparison on such Spatial Database extention including ArcSDE, Oracle
Spatial ,MySQL ,etc.
2. Since Google Earth is lauched ,Many GIS systems are used by more and
more people,so the important features of Software becomes more and more
important,such as sacalibity, robust, stability,etc. Can you give me some
information and papers on the bottleneck of these applications.Especially,
are computing and I/O requirements very important and become bottlenecks,Of
course, If you know some related solutions , you can mail me.
I have searche lots of papers and get an overview of it. But I felt I did
not figure out the truth. So I want to get some more accurate information on
this field.
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
<http://postgis.refractions.net/mailman/listinfo/postgis-users>
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From pramsey at refractions.net Wed Nov 22 10:44:23 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Wed, 22 Nov 2006 10:44:23 -0800
Subject: [postgis-users] build a SDB cache for Spatial
Database basedonpostgis and postgresql
In-Reply-To: <00fc01c70e5b$b16c3520$0801a8c0@ariane.tractebel.be>
References: <00fc01c70e5b$b16c3520$0801a8c0@ariane.tractebel.be>
Message-ID: <45649A87.1020805@refractions.net>
Jan,
Be kind to the ones who love you...
Jan Syryn wrote:
> If you are not very experienced but there is (lot of) money in the project:
> don't hesitate and go for ORACLE / SPATIAL.
> I offeres a very extended, stable, framework with zillion of features.
> Furthermore, they offer a very quick and elaborate support system.
> To conclude: VERY proffessional, but RATHER expensive.
Oracle has not been faster than PostGIS in our experience, which has
been extensive. It *is* more featureful, but as usual the cost of the
installation should be judged against the cost of adding the feature to
PostGIS.
> If you wanna go for the 'cheap' version. Then Postgis is a choice. It
> still has a rather fast update-cycle (this means it is not that stable yet).
> But that is logic: it is open source.
We can release less often, if that will make you feel we are more stable. :)
I would have thought stability has more to do with uptime, performance
under load, graceful crash recovery, and so on, all of which
PostgreSQL/PostGIS have in spades.
> Also support......... by the people like this little mailing list.
> So not that professional, and above all (like Pedro indicated too): most
> of the solutions you have to divine yourself and ask simple/small
> questions to mailing list.
At the risk of pre-announcing, there should be a more formal support
mechanism available, "soon".
Paul
From aaronkoning at gmail.com Wed Nov 22 11:23:34 2006
From: aaronkoning at gmail.com (Aaron Koning)
Date: Wed, 22 Nov 2006 11:23:34 -0800
Subject: [postgis-users] Identity Overlay
Message-ID: <1319fbba0611221123p2a8d1189xcf28443f05d7c95d@mail.gmail.com>
Hi All,
I am trying to perform an identity overlay where each point in a point layer
gets a value from a polygon layer based on what polygon contains the point.
I have come up with the following query which is working fairly well.
UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
contains(polygon_layer.the_geom, point_layer.the_geom);
I am just wondering if other people have performed identity like overlays in
PostGIS and is there a better / more efficient way to perform them?
Thanks,
Aaron
+-------------------------------------------------
| Aaron Koning
| Information Technologist
| Prince George, BC, Canada.
+-------------------------------------------------
| Flexible Internet Spatial Template:
| http://fist-mapping.org
+-------------------------------------------------
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From woodbri at swoodbridge.com Wed Nov 22 11:55:08 2006
From: woodbri at swoodbridge.com (Stephen Woodbridge)
Date: Wed, 22 Nov 2006 14:55:08 -0500
Subject: [postgis-users] Identity Overlay
In-Reply-To: <1319fbba0611221123p2a8d1189xcf28443f05d7c95d@mail.gmail.com>
References: <1319fbba0611221123p2a8d1189xcf28443f05d7c95d@mail.gmail.com>
Message-ID: <4564AB1C.8030002@swoodbridge.com>
Try:
UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
polygon_layer.the_geom && point_layer.the_geom and
distance(polygon_layer.the_geom, point_layer.the_geom) < 0.00001;
It is not good to compare floats with equals due to possible rounding
errors.
-Steve
Aaron Koning wrote:
> Hi All,
>
> I am trying to perform an identity overlay where each point in a point
> layer gets a value from a polygon layer based on what polygon contains
> the point. I have come up with the following query which is working
> fairly well.
> UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
> contains(polygon_layer.the_geom, point_layer.the_geom);
>
> I am just wondering if other people have performed identity like
> overlays in PostGIS and is there a better / more efficient way to
> perform them?
>
> Thanks,
> Aaron
>
> +-------------------------------------------------
> | Aaron Koning
> | Information Technologist
> | Prince George, BC, Canada.
> +-------------------------------------------------
> | Flexible Internet Spatial Template:
> | http://fist-mapping.org
> +-------------------------------------------------
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From pramsey at refractions.net Wed Nov 22 12:06:38 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Wed, 22 Nov 2006 12:06:38 -0800
Subject: [postgis-users] Identity Overlay
In-Reply-To: <4564AB1C.8030002@swoodbridge.com>
References: <1319fbba0611221123p2a8d1189xcf28443f05d7c95d@mail.gmail.com>
<4564AB1C.8030002@swoodbridge.com>
Message-ID: <4564ADCE.1020008@refractions.net>
This is such a common performance case, we're going to add some
automagical code to make Contains() work more efficiently, by
short-circuiting and Contains(POLYGON, POINT) cases directly to an
internal postgis PIP algorithm.
P
Stephen Woodbridge wrote:
> Try:
>
> UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
> polygon_layer.the_geom && point_layer.the_geom and
> distance(polygon_layer.the_geom, point_layer.the_geom) < 0.00001;
>
> It is not good to compare floats with equals due to possible rounding
> errors.
>
> -Steve
>
> Aaron Koning wrote:
>> Hi All,
>>
>> I am trying to perform an identity overlay where each point in a point
>> layer gets a value from a polygon layer based on what polygon contains
>> the point. I have come up with the following query which is working
>> fairly well.
>> UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
>> contains(polygon_layer.the_geom, point_layer.the_geom);
>>
>> I am just wondering if other people have performed identity like
>> overlays in PostGIS and is there a better / more efficient way to
>> perform them?
>>
>> Thanks,
>> Aaron
>>
>> +-------------------------------------------------
>> | Aaron Koning
>> | Information Technologist
>> | Prince George, BC, Canada.
>> +-------------------------------------------------
>> | Flexible Internet Spatial Template:
>> | http://fist-mapping.org
>> +-------------------------------------------------
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From aaronkoning at gmail.com Wed Nov 22 13:10:59 2006
From: aaronkoning at gmail.com (Aaron Koning)
Date: Wed, 22 Nov 2006 13:10:59 -0800
Subject: [postgis-users] Identity Overlay
In-Reply-To: <4564ADCE.1020008@refractions.net>
References: <1319fbba0611221123p2a8d1189xcf28443f05d7c95d@mail.gmail.com>
<4564AB1C.8030002@swoodbridge.com> <4564ADCE.1020008@refractions.net>
Message-ID: <1319fbba0611221310o6051aa06if124a9b855214bdc@mail.gmail.com>
I forgot about the float comparison, so thanks for that pointer.
Great to hear that PIP will be built in. Currently, with a million and half
points it can take a while, but the end result is great!
Aaron
On 11/22/06, Paul Ramsey <pramsey at refractions.net> wrote:
>
> This is such a common performance case, we're going to add some
> automagical code to make Contains() work more efficiently, by
> short-circuiting and Contains(POLYGON, POINT) cases directly to an
> internal postgis PIP algorithm.
>
> P
>
> Stephen Woodbridge wrote:
> > Try:
> >
> > UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
> > polygon_layer.the_geom && point_layer.the_geom and
> > distance(polygon_layer.the_geom, point_layer.the_geom) < 0.00001;
> >
> > It is not good to compare floats with equals due to possible rounding
> > errors.
> >
> > -Steve
> >
> > Aaron Koning wrote:
> >> Hi All,
> >>
> >> I am trying to perform an identity overlay where each point in a point
> >> layer gets a value from a polygon layer based on what polygon contains
> >> the point. I have come up with the following query which is working
> >> fairly well.
> >> UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
> >> contains(polygon_layer.the_geom, point_layer.the_geom);
> >>
> >> I am just wondering if other people have performed identity like
> >> overlays in PostGIS and is there a better / more efficient way to
> >> perform them?
> >>
> >> Thanks,
> >> Aaron
> >>
> >> +-------------------------------------------------
> >> | Aaron Koning
> >> | Information Technologist
> >> | Prince George, BC, Canada.
> >> +-------------------------------------------------
> >> | Flexible Internet Spatial Template:
> >> | http://fist-mapping.org
> >> +-------------------------------------------------
> >>
> >>
> >>
> ------------------------------------------------------------------------
> >>
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
+-------------------------------------------------
| Aaron Koning
| Information Technologist
| Prince George, BC, Canada.
+-------------------------------------------------
| Flexible Internet Spatial Template:
| http://fist-mapping.org
+-------------------------------------------------
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From frank.koormann at intevation.de Thu Nov 23 00:48:45 2006
From: frank.koormann at intevation.de (Frank Koormann)
Date: Thu, 23 Nov 2006 09:48:45 +0100
Subject: [postgis-users] build a SDB cache for Spatial Database
basedonpostgis and postgresql
In-Reply-To: <00fc01c70e5b$b16c3520$0801a8c0@ariane.tractebel.be>
References: <13432ab00611211856s3ee6486di9d918545285662d8@mail.gmail.com>
<00fc01c70e5b$b16c3520$0801a8c0@ariane.tractebel.be>
Message-ID: <20061123084844.GP27083@intevation.de>
* Jan Syryn <jan.syryn at trasys.be> [061122 18:29]:
> Also support......... by the people like this little mailing list.
> So not that professional, and above all (like Pedro indicated too): most
> of the solutions you have to devine yourself and ask simple/small
> questions to mailing list.
Sorry for slight advertising, but actually this is not true. I cannot
speak for Refractions, but here in Europe my company offers professional
support (with Refractions as backup). There are also other offers.
Might be a matter of visibility.
Best regards,
Frank
--
Frank Koormann <frank.koormann at intevation.de>
Professional Service around Free Software (http://intevation.net/)
FreeGIS Project (http://freegis.org/)
PostGIS Support (http://www.intevation.net/geospatial/postgis-support.en.html)
From jan.syryn at trasys.be Thu Nov 23 01:34:34 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Thu, 23 Nov 2006 10:34:34 +0100
Subject: [postgis-users] build a SDB cache for Spatial
Databasebasedonpostgis and postgresql
In-Reply-To: <20061123084844.GP27083@intevation.de>
Message-ID: <001f01c70ee2$9631eac0$0801a8c0@ariane.tractebel.be>
I plead guilty on all charges, your honor !
Coming from the Oracle Stellular System, I am a bit new in the PostGis
Galaxy.....
Indeed, most of the remarks are a matter of visibility.
It is the Krypton that did this, your honor, it was not me !
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Frank
Koormann
Sent: jeudi 23 novembre 2006 09:49
To: PostGIS Users Discussion
Subject: Re: [postgis-users] build a SDB cache for Spatial
Databasebasedonpostgis and postgresql
* Jan Syryn <jan.syryn at trasys.be> [061122 18:29]:
> Also support......... by the people like this little mailing list.
> So not that professional, and above all (like Pedro indicated too):
most
> of the solutions you have to devine yourself and ask simple/small
> questions to mailing list.
Sorry for slight advertising, but actually this is not true. I cannot speak
for Refractions, but here in Europe my company offers professional support
(with Refractions as backup). There are also other offers.
Might be a matter of visibility.
Best regards,
Frank
--
Frank Koormann <frank.koormann at intevation.de>
Professional Service around Free Software (http://intevation.net/)
FreeGIS Project (http://freegis.org/)
PostGIS Support
(http://www.intevation.net/geospatial/postgis-support.en.html)
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From schabi at logix-tt.com Thu Nov 23 04:32:21 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Thu, 23 Nov 2006 13:32:21 +0100
Subject: [postgis-users] Invalid Geometry
In-Reply-To: <C189DCF3.36DC%kobben@itc.nl>
References: <C189DCF3.36DC%kobben@itc.nl>
Message-ID: <456594D5.2010201@logix-tt.com>
Hi, Barend,
Barend K?bben wrote:
> I think
> 'GeometryFromText(POLYGON((81 48, 82 48,
> 82 49, 81 49, 81 48)),4326)'
> Should be
> GeometryFromText('POLYGON((81 48, 82 48,
> 82 49, 81 49, 81 48)),4326')
You spotted the problem, but not the solution, it is:
GeometryFromText('POLYGON((81 48, 82 48, 82 49, 81 49, 81 48))',4326)
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From mbdavis at refractions.net Thu Nov 23 08:49:05 2006
From: mbdavis at refractions.net (Martin Davis)
Date: Thu, 23 Nov 2006 08:49:05 -0800
Subject: [postgis-users] Identity Overlay
In-Reply-To: <1319fbba0611221123p2a8d1189xcf28443f05d7c95d@mail.gmail.com>
References: <1319fbba0611221123p2a8d1189xcf28443f05d7c95d@mail.gmail.com>
Message-ID: <4565D101.1000400@refractions.net>
You may want to use the intersects() predicate rather than contains()
for this query. The reasons are:
1) Technically, the OGC definition of contains implies that "polygons do
not contain their boundary". This means that the test
poly.contains(pt) produces a false result if pt lies exactly on the
boundary of the polygon. Usually this is not the result that is
desired. intersects() does not have this behaviour. (It's also worth
noting that JTS now offers a covers() and coverBy() predicates, which
also have the expected behaviour.
2) Because of its simpler semantics, intersects is a bit easier to
optimize, and hence may get more attention and get done sooner than
contains.
Aaron Koning wrote:
> Hi All,
>
> I am trying to perform an identity overlay where each point in a point
> layer gets a value from a polygon layer based on what polygon contains
> the point. I have come up with the following query which is working
> fairly well.
> UPDATE point_layer SET b250k_tag = polygon_layer.b250k_tag WHERE
> contains(polygon_layer.the_geom, point_layer.the_geom);
>
> I am just wondering if other people have performed identity like
> overlays in PostGIS and is there a better / more efficient way to
> perform them?
>
> Thanks,
> Aaron
>
> +-------------------------------------------------
> | Aaron Koning
> | Information Technologist
> | Prince George, BC, Canada.
> +-------------------------------------------------
> | Flexible Internet Spatial Template:
> | http://fist-mapping.org
> +-------------------------------------------------
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
From alex_chew at 163.com Thu Nov 23 19:53:10 2006
From: alex_chew at 163.com (Alex Chew)
Date: Fri, 24 Nov 2006 11:53:10 +0800
Subject: [postgis-users] How can i get accurate world coordinate (WGS84)
with mouse click?
Message-ID: <45666CE2.0B803A.03614>
Hi,gentlmen,
I am not sure it is fit to ask such a question here. It puzzled me several days.Thanks a lot to your kindly advise.
Using svg and javascript I build a simple GIS application. GIS data are under WGS84 coordinate. Data in my application falles in lat(103.75-104.1),lon(30.3-30.5), which descripts a Chinese city, Chengdu.
For sake of simplification, I set svg attribute,
viewBox = "103.75 -30.5 0.5 0.2"
height = "600"
width = "800"
then, I changed viewBox to realize zoom and pan. It seems worked well.Problems happened when I try to mark user point on svg with mouse click. I tried to convert screen points to world coordinate, but i could not make it be accurate. It seems number formate in javascript make such error. code fragment,
pointx = parseFloat(evt.getClientX());
pointy = parseFloat(evt.getClientY());
px = pointx/this.currentScale/this.ratioX;//translate screen point to world one
py = pointy/this.currentScale/this.ratioY;//translate screen point to world one
worldx = this.viewBoxX;
worldy = this.viewBoxY;
markx = worldx+px;
marky = worldy+py;
What intrest me is when I look insight I found that markx is accurate while marky not.
Would you please show me a hand?
Any advice are appreciated.
Thanks again
Alex
From christian.braun at tudor.lu Fri Nov 24 05:13:37 2006
From: christian.braun at tudor.lu (Christian Braun)
Date: Fri, 24 Nov 2006 14:13:37 +0100
Subject: [postgis-users] Joining tables for QGIS
Message-ID: <002601c70fca$5a53a4b0$090f030a@private.tudor.lu>
Hello,
I have problem with joining tables for QGIS.
I have e large table with rain measurements at a specific point in
Luxembourg. In another table I store the coordinates of the measurement
devices. The devices have a temporal resolution of 1min. So the table with
measurements have about 300000 entries. I want to link the table with the
coordinates to the table with the measurements that I can save the diskspace
of two additional columns with X and Y coordinates for every measurement of
the 300000 entries.
I found the option to do that with a view-statement, but QGIS complains
about that there is no primary key in the view.
Any suggestions to solve that problem?
cheers, Christian
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From Tom.Kralidis at ec.gc.ca Fri Nov 24 05:56:08 2006
From: Tom.Kralidis at ec.gc.ca (Kralidis,Tom [Burlington])
Date: Fri, 24 Nov 2006 08:56:08 -0500
Subject: [postgis-users] oid indexes issue
Message-ID: <2576812186CDD411BF1500508B6DCE950D17F93E@ecnwri1.ontario.int.ec.gc.ca>
Hi,
I'm attempting to recast a database instance with some scripts developed
against PostGIS 1.1.1. Below is a code snippet of the init:
# CREATE TABLE service_endpoints (
resource_id serial primary key,
title text,
);
# SELECT AddGeometryColumn
('service_endpoints','the_geom',4326,'MULTIPOLYGON',2);
# CREATE INDEX service_endpoints_idx ON service_endpoints USING GIST (
the_geom GIST_GEOMETRY_OPS );
# CREATE INDEX service_endpoints_idx_oid ON service_endpoints ( oid );
This works successfully against
- POSTGIS="1.1.1" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0, 22 Oct 2006"
USE_STATS DBPROC="0.3.0" RELPROC="1.1.1" (needs proc upgrade)
(1 row)
- PostgreSQL 8.1.2
- FC4
This does NOT work successfully against:
- POSTGIS="1.1.6" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0, 22 Oct 2006"
USE_STATS
- PostgreSQL 8.1.5
- MS Windows Server 2003
The error message I received when running against the latter environment
is:
"ERROR: column "oid" does not exist"
Are oid's no longer supported?
Thanks
..Tom
From mark.cave-ayland at ilande.co.uk Fri Nov 24 06:12:04 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Fri, 24 Nov 2006 14:12:04 -0000 (UTC)
Subject: [postgis-users] oid indexes issue
In-Reply-To: <2576812186CDD411BF1500508B6DCE950D17F93E@ecnwri1.ontario.int.ec.gc.ca
>
References: <2576812186CDD411BF1500508B6DCE950D17F93E@ecnwri1.ontario.int.ec.gc.ca>
Message-ID: <33316.217.207.197.142.1164377524.squirrel@www.ilande.co.uk>
>
> Hi,
>
> I'm attempting to recast a database instance with some scripts developed
> against PostGIS 1.1.1. Below is a code snippet of the init:
>
> # CREATE TABLE service_endpoints (
> resource_id serial primary key,
> title text,
> );
>
> # SELECT AddGeometryColumn
> ('service_endpoints','the_geom',4326,'MULTIPOLYGON',2);
>
> # CREATE INDEX service_endpoints_idx ON service_endpoints USING GIST (
> the_geom GIST_GEOMETRY_OPS );
>
> # CREATE INDEX service_endpoints_idx_oid ON service_endpoints ( oid );
>
> This works successfully against
>
> - POSTGIS="1.1.1" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0, 22 Oct 2006"
> USE_STATS DBPROC="0.3.0" RELPROC="1.1.1" (needs proc upgrade)
> (1 row)
> - PostgreSQL 8.1.2
> - FC4
>
> This does NOT work successfully against:
>
> - POSTGIS="1.1.6" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0, 22 Oct 2006"
> USE_STATS
> - PostgreSQL 8.1.5
> - MS Windows Server 2003
>
> The error message I received when running against the latter environment
> is:
>
> "ERROR: column "oid" does not exist"
>
> Are oid's no longer supported?
>
> Thanks
>
> ..Tom
Hi Tom,
Oids have been deprecated in PostgreSQL for several versions now, and
since PostgreSQL 8.1 you need to explicitly enable them in postgresql.conf
to support legacy applications. The chances are that your FC4 installation
has had this setting changed from the default installation, while the new
one hasn't.
I would highly recommend that for future compatibility you should modify
your application so it uses a different field (such as a primary key)
instead of oid to help avoid this issue in future. One of the benefits of
dropping oids is that you save an extra 4 bytes per row which can really
add up when you are working with large tables.
Kind regards,
Mark.
From venturato at faunalia.it Fri Nov 24 06:25:49 2006
From: venturato at faunalia.it (Emilia Venturato)
Date: Fri, 24 Nov 2006 15:25:49 +0100
Subject: [postgis-users] Joining tables for QGIS
In-Reply-To: <002601c70fca$5a53a4b0$090f030a@private.tudor.lu>
References: <002601c70fca$5a53a4b0$090f030a@private.tudor.lu>
Message-ID: <200611241525.50259.venturato@faunalia.it>
Hi,
I don't know what qgis version you have.
But in the 0.8 it runs if in your view there is a field coming from a field
(in the original table) having a primary key int4.
Bye,
Lia
Alle 14:13, venerd? 24 novembre 2006, Christian Braun ha probabilmente
scritto:
> Hello,
>
> I have problem with joining tables for QGIS.
> I have e large table with rain measurements at a specific point in
> Luxembourg. In another table I store the coordinates of the measurement
> devices. The devices have a temporal resolution of 1min. So the table with
> measurements have about 300000 entries. I want to link the table with the
> coordinates to the table with the measurements that I can save the
> diskspace of two additional columns with X and Y coordinates for every
> measurement of the 300000 entries.
> I found the option to do that with a view-statement, but QGIS complains
> about that there is no primary key in the view.
>
> Any suggestions to solve that problem?
>
> cheers, Christian
--
Emilia Venturato
email+jabber: venturato at faunalia.it
www.faunalia.it
Tel: (+39) 347-2770007 Tel+Fax: (+39) 0587-213742
Piazza Garibaldi 5 - 56025 Pontedera (PI), Italy
From Tom.Kralidis at ec.gc.ca Fri Nov 24 06:30:06 2006
From: Tom.Kralidis at ec.gc.ca (Kralidis,Tom [Burlington])
Date: Fri, 24 Nov 2006 09:30:06 -0500
Subject: [postgis-users] oid indexes issue
Message-ID: <2576812186CDD411BF1500508B6DCE95103E2E30@ecnwri1.ontario.int.ec.gc.ca>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On
> Behalf Of Mark Cave-Ayland
> Sent: 24 November, 2006 9:12 AM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] oid indexes issue
>
> >
> > Hi,
> >
> > I'm attempting to recast a database instance with some scripts
> > developed against PostGIS 1.1.1. Below is a code snippet
> of the init:
> >
> > # CREATE TABLE service_endpoints (
> > resource_id serial primary key,
> > title text,
> > );
> >
> > # SELECT AddGeometryColumn
> > ('service_endpoints','the_geom',4326,'MULTIPOLYGON',2);
> >
> > # CREATE INDEX service_endpoints_idx ON service_endpoints
> USING GIST (
> > the_geom GIST_GEOMETRY_OPS );
> >
> > # CREATE INDEX service_endpoints_idx_oid ON
> service_endpoints ( oid );
> >
> > This works successfully against
> >
> > - POSTGIS="1.1.1" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0,
> 22 Oct 2006"
> > USE_STATS DBPROC="0.3.0" RELPROC="1.1.1" (needs proc upgrade)
> > (1 row)
> > - PostgreSQL 8.1.2
> > - FC4
> >
> > This does NOT work successfully against:
> >
> > - POSTGIS="1.1.6" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0,
> 22 Oct 2006"
> > USE_STATS
> > - PostgreSQL 8.1.5
> > - MS Windows Server 2003
> >
> > The error message I received when running against the latter
> > environment
> > is:
> >
> > "ERROR: column "oid" does not exist"
> >
> > Are oid's no longer supported?
> >
> > Thanks
> >
> > ..Tom
>
>
> Hi Tom,
>
> Oids have been deprecated in PostgreSQL for several versions
> now, and since PostgreSQL 8.1 you need to explicitly enable
> them in postgresql.conf to support legacy applications. The
> chances are that your FC4 installation has had this setting
> changed from the default installation, while the new one hasn't.
>
> I would highly recommend that for future compatibility you
> should modify your application so it uses a different field
> (such as a primary key) instead of oid to help avoid this
> issue in future. One of the benefits of dropping oids is that
> you save an extra 4 bytes per row which can really add up
> when you are working with large tables.
>
>
Thanks for the info. So should one still invoke the following:
From Tom.Kralidis at ec.gc.ca Fri Nov 24 06:32:10 2006
From: Tom.Kralidis at ec.gc.ca (Kralidis,Tom [Burlington])
Date: Fri, 24 Nov 2006 09:32:10 -0500
Subject: [postgis-users] oid indexes issue
Message-ID: <2576812186CDD411BF1500508B6DCE950D17F941@ecnwri1.ontario.int.ec.gc.ca>
Sorry, hit send too early :) Response below.
> > -----Original Message-----
> > From: postgis-users-bounces at postgis.refractions.net
> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> > Mark Cave-Ayland
> > Sent: 24 November, 2006 9:12 AM
> > To: PostGIS Users Discussion
> > Subject: Re: [postgis-users] oid indexes issue
> >
> > >
> > > Hi,
> > >
> > > I'm attempting to recast a database instance with some scripts
> > > developed against PostGIS 1.1.1. Below is a code snippet
> > of the init:
> > >
> > > # CREATE TABLE service_endpoints (
> > > resource_id serial primary key,
> > > title text,
> > > );
> > >
> > > # SELECT AddGeometryColumn
> > > ('service_endpoints','the_geom',4326,'MULTIPOLYGON',2);
> > >
> > > # CREATE INDEX service_endpoints_idx ON service_endpoints
> > USING GIST (
> > > the_geom GIST_GEOMETRY_OPS );
> > >
> > > # CREATE INDEX service_endpoints_idx_oid ON
> > service_endpoints ( oid );
> > >
> > > This works successfully against
> > >
> > > - POSTGIS="1.1.1" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0,
> > 22 Oct 2006"
> > > USE_STATS DBPROC="0.3.0" RELPROC="1.1.1" (needs proc upgrade)
> > > (1 row)
> > > - PostgreSQL 8.1.2
> > > - FC4
> > >
> > > This does NOT work successfully against:
> > >
> > > - POSTGIS="1.1.6" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.5.0,
> > 22 Oct 2006"
> > > USE_STATS
> > > - PostgreSQL 8.1.5
> > > - MS Windows Server 2003
> > >
> > > The error message I received when running against the latter
> > > environment
> > > is:
> > >
> > > "ERROR: column "oid" does not exist"
> > >
> > > Are oid's no longer supported?
> > >
> > > Thanks
> > >
> > > ..Tom
> >
> >
> > Hi Tom,
> >
> > Oids have been deprecated in PostgreSQL for several
> versions now, and
> > since PostgreSQL 8.1 you need to explicitly enable them in
> > postgresql.conf to support legacy applications. The chances
> are that
> > your FC4 installation has had this setting changed from the default
> > installation, while the new one hasn't.
> >
> > I would highly recommend that for future compatibility you should
> > modify your application so it uses a different field (such as a
> > primary key) instead of oid to help avoid this issue in
> future. One of
> > the benefits of dropping oids is that you save an extra 4 bytes per
> > row which can really add up when you are working with large tables.
> >
> >
>
Thanks for the info. So should one still invoke BOTH of the following
index creations:
# CREATE INDEX service_endpoints_idx ON service_endpoints USING GIST (
the_geom GIST_GEOMETRY_OPS );
# CREATE INDEX service_endpoints_idx_oid ON service_endpoints (
some_other_id );
Or just the first one?
..Tom
From mark.cave-ayland at ilande.co.uk Fri Nov 24 06:38:04 2006
From: mark.cave-ayland at ilande.co.uk (Mark Cave-Ayland)
Date: Fri, 24 Nov 2006 14:38:04 -0000 (UTC)
Subject: [postgis-users] oid indexes issue
In-Reply-To: <2576812186CDD411BF1500508B6DCE950D17F941@ecnwri1.ontario.int.ec.gc.ca
>
References: <2576812186CDD411BF1500508B6DCE950D17F941@ecnwri1.ontario.int.ec.gc.ca>
Message-ID: <48396.217.207.197.142.1164379084.squirrel@www.ilande.co.uk>
> Thanks for the info. So should one still invoke BOTH of the following
> index creations:
>
> # CREATE INDEX service_endpoints_idx ON service_endpoints USING GIST (
> the_geom GIST_GEOMETRY_OPS );
> # CREATE INDEX service_endpoints_idx_oid ON service_endpoints (
> some_other_id );
>
> Or just the first one?
>
> ..Tom
Hi Tom,
Just the first one will suffix. The index on oid is only needed if your
tables contain an oid column and your application issues SQL in the form
"SELECT * FROM service_endpoints WHERE oid = x". Note that Mapserver is
one popular application which does attempt to reference oids by default,
however you can override this behaviour by adding a "USING UNIQUE
<fieldname>" clause to the DATA statement in the mapfile (see the
Mapserver docs for more info).
HTH,
Mark.
From pramsey at refractions.net Fri Nov 24 12:03:45 2006
From: pramsey at refractions.net (Paul Ramsey)
Date: Fri, 24 Nov 2006 12:03:45 -0800
Subject: [postgis-users] oid indexes issue
In-Reply-To: <2576812186CDD411BF1500508B6DCE950D17F93E@ecnwri1.ontario.int.ec.gc.ca>
References: <2576812186CDD411BF1500508B6DCE950D17F93E@ecnwri1.ontario.int.ec.gc.ca>
Message-ID: <45675021.1090809@refractions.net>
Tom, use the below:
Kralidis,Tom [Burlington] wrote:
> # CREATE TABLE service_endpoints (
> resource_id serial primary key,
> title text,
> );
>
> # SELECT AddGeometryColumn
> ('service_endpoints','the_geom',4326,'MULTIPOLYGON',2);
>
> # CREATE INDEX service_endpoints_idx ON service_endpoints USING GIST (
> the_geom GIST_GEOMETRY_OPS );
>
>
> This works successfully against
And for your mapserver DATA statement:
"the_geom from service_endpoints using SRID=4325 using unique resource_id"
Paul
From schabi at logix-tt.com Sat Nov 25 00:43:43 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Sat, 25 Nov 2006 09:43:43 +0100
Subject: [postgis-users] Help with fixing invalid geometries
In-Reply-To: <010901c70e3d$2aa4dd30$7203a8c0@susa.local>
References: <010901c70e3d$2aa4dd30$7203a8c0@susa.local>
Message-ID: <4568023F.3080100@logix-tt.com>
Hi, Rob,
Rob Tester wrote:
> I imported some shape files into postgres everything went well except
> that many (several thousand) of the polygons have self intersections. I
> was wondering if there was a way to easily find the point(s) on the
> polygon that causes the self intersection as well as then 'nudge' the
> point away from the line it is intersecting. I would prefer to not do
> this manually if possible. Any thoughts?
May be the polygonize function can help you.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From schabi at logix-tt.com Sat Nov 25 00:50:19 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Sat, 25 Nov 2006 09:50:19 +0100
Subject: [postgis-users] How can i get accurate world coordinate (WGS84)
with mouse click?
In-Reply-To: <45666CE2.0B803A.03614>
References: <45666CE2.0B803A.03614>
Message-ID: <456803CB.9040601@logix-tt.com>
Hi, Alex,
Alex Chew wrote:
> I am not sure it is fit to ask such a question here.
I'm afraid that it's better to ask your question in an SVG and/or
javaScript forum.
Also: Which SVG implemention are you using? Mozilla, Opera, Adobe, Apache?
> What intrest me is when I look insight I found that markx is accurate while marky not.
How much off is it? If it's only in the last digits, it may be a
rounding issue.
Also, if your SVG implementation only uses floats, it simply lacks
precesion.
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From schabi at logix-tt.com Sat Nov 25 01:10:40 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Sat, 25 Nov 2006 10:10:40 +0100
Subject: [postgis-users] RE: RE: PostGIS - hibernate - EJB3
In-Reply-To: <20060911164550.62482.qmail@web52112.mail.yahoo.com>
References: <20060911164550.62482.qmail@web52112.mail.yahoo.com>
Message-ID: <45680890.8020702@logix-tt.com>
Hi, Daniel,
Daniel Martinez wrote:
> Also, after creating my 'Geometry' object I was required to set the
> 'srid' field, like this:
>
> double x = 10.50;
> double y = 8.20;
> Geometry geometry = new org.postgis.Point(x,y);
> geometry.setSrid(4326);
>
> Otherwise, I kept getting errors when trying to persist the object into
> the database.
Which error are you getting exactly?
If it's complaining about a constraint violation, then your table has a
check constraint requiring the SRID to be 4326, and so you have to set
it appropriately in your java objects before the database accepts them.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From schabi at logix-tt.com Sat Nov 25 01:12:38 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Sat, 25 Nov 2006 10:12:38 +0100
Subject: [postgis-users] newbie PostGIS SQL question
In-Reply-To: <78db210f0610061634t1d304452y210421c8f3cbd283@mail.gmail.com>
References: <78db210f0610061634t1d304452y210421c8f3cbd283@mail.gmail.com>
Message-ID: <45680906.2030906@logix-tt.com>
Hi, dio,
kulbinder dio wrote:
> I've got a table with a name and a goem column made up from Latitude and
> Longitude values.
> I've been trying to perform queries that will return all the entries
> within a given rectangle.
> I have tried a few SQL queries but none of these seem to work the latest
> one I have tried is the following
>
> SELECT outcode,x,y from test where
> geom && 'POLYGON((0.0418 51.3701, 0.0418 51.6273, 0.0591 51.6272, 0.0418
> 51.3701, 0.0418 51.3701))' ;
>
>
> THis always returns back 0 rows, even though I have increased the size
> of the polygon several times to cover a large area
> and I know there are points within the database that should fall inside
> this.
Can you give us the output of "SELECT extent(geom) FROM test"?
Thanks,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From schabi at logix-tt.com Sat Nov 25 01:15:51 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Sat, 25 Nov 2006 10:15:51 +0100
Subject: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
In-Reply-To: <B67A5FB7A8114B47A70517C9C0D102E8131C66@bath.uk.rsinc.com>
References: <B67A5FB7A8114B47A70517C9C0D102E8131C66@bath.uk.rsinc.com>
Message-ID: <456809C7.7060206@logix-tt.com>
Hi,
Norman Barker wrote:
> 2. In the thread here, people are using:
> <driver-class>org.postgis.DriverWrapper</driver-class>
> When I do the same, I get a "No suitable driver" exception.
[...]
> 3. I wanted to use the GeometryType that is packed in PostGIS 1.1.5.
> After generating the new JAR and replacing the old one by this one,
> I start getting new exceptions:
> The class org.postgis.PGbox3d does not implement
> org.postgresql.util.PGobject.
Those 2 things look like a classpath/classloader problem.
You have to make sure that the postgis.jar and the postgresql-jdbc.jar
are available via the same classloader (and that you don't have two
incarnations of them in your classpath)
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From strk at refractions.net Sat Nov 25 02:58:15 2006
From: strk at refractions.net (strk at refractions.net)
Date: Sat, 25 Nov 2006 11:58:15 +0100
Subject: [postgis-users] Ubuntu install of PostGIS 1.1.6 failing
In-Reply-To: <1D9F853E-B379-4D84-B8F2-3E5797FA573E@eogeo.org>
References: <1D9F853E-B379-4D84-B8F2-3E5797FA573E@eogeo.org>
Message-ID: <20061125105815.GF13793@keybit.net>
On Mon, Nov 20, 2006 at 06:45:50PM -0500, Allan Doyle wrote:
> The contents of /tmp/pgis_reg_17211/regress_log are not enlightening
> to me:
...
> psql:lwpostgis.sql:39: ERROR: could not load library "/usr/local/src/
> postgis-1.1.6/lwgeom/liblwgeom.so.1.1": libgeos_c.so.1: cannot open
> shared object file: No such file or directory
Not enlighening ?
The dynamic linker can not find libgeos_c.so.1.
Usually this is due to a missing call to ldconfig.
Where do you have libgeos_c.so.1 ?
Is that directory in /etc/ld.so.conf ?
Did you run ldconfig(8) after installation ?
--strk;
From harald.schwenk at agentur-geoinfo.de Sat Nov 25 04:34:59 2006
From: harald.schwenk at agentur-geoinfo.de (Harald Schwenk)
Date: Sat, 25 Nov 2006 13:34:59 +0100
Subject: [postgis-users] AcadMap2pgsql 1.0 available
Message-ID: <005b01c7108e$3859acf0$9875fe91@IBM29A94F6811C>
Dear user,
The 1.0 release of AcadMap2pgsql is now available.
http://sourceforge.net/projects/acadmap2pgsql
The following entities change or retrofit:
? Point
? Text
? MText
? Insert (+ attributes)
? Circle
? Line
? Polyline
? 2D-Polyline
? 3D-Polyline
? and maybe by April: arc
It is possible to create a database dump with WKT or EWKT geometries and with object data.
regards
Harald
________________________________________
agentur geoinfo
Harald Schwenk
mailto:harald.schwenk at agentur-geoinfo.de
www.agentur-geoinfo.de
Konverter AcadMap2pgsql: http://www.agentur-geoinfo.de/acadmap2pgsql.htm
neu: Konverter dxf2pgsql > Version zur Evaluierung anfordern
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From sandeepkumar.jakkaraju at gmail.com Sun Nov 26 05:22:13 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Sun, 26 Nov 2006 18:52:13 +0530
Subject: [postgis-users] postgis on fedora ...
Message-ID: <c653c98f0611260522x626f59c0tbbab49773a8e688e@mail.gmail.com>
when i am runnig this query
select name from tiles where contains(tilebounds,GEOMFROMTEXT('POINT(0
0)'));
I get this error :
NOTICE: IllegalArgumentException: point array must contain 0 or >1 elements
ERROR: POSTGIS2GEOS conversion failed
What is wrong with my postgis ...
( I am using postgresql-8.1.4 .. with latest postgis ..installed from source
on Fedora core 5)...
Please help .. me
Thanks in advance...
Sandeep
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From mike at fuhr.org Sun Nov 26 09:28:46 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Sun, 26 Nov 2006 10:28:46 -0700
Subject: [postgis-users] postgis on fedora ...
In-Reply-To: <c653c98f0611260522x626f59c0tbbab49773a8e688e@mail.gmail.com>
References: <c653c98f0611260522x626f59c0tbbab49773a8e688e@mail.gmail.com>
Message-ID: <20061126172846.GA4067@winnie.fuhr.org>
On Sun, Nov 26, 2006 at 06:52:13PM +0530, Sandeep Kumar Jakkaraju wrote:
> when i am runnig this query
>
> select name from tiles where contains(tilebounds,GEOMFROMTEXT('POINT(0
> 0)'));
>
> I get this error :
>
> NOTICE: IllegalArgumentException: point array must contain 0 or >1 elements
> ERROR: POSTGIS2GEOS conversion failed
I'd guess that you have at least one bad geometry, e.g., a POLYGON
with a ring that has exactly one point. The following example
replicates the above error:
CREATE TABLE tiles (name text);
SELECT AddGeometryColumn('tiles', 'tilebounds', -1, 'GEOMETRY', 2);
INSERT INTO tiles (name, tilebounds) VALUES ('test', '0103000000010000000100000000000000000000000000000000000000');
SELECT name, AsText(tilebounds) FROM tiles;
name | astext
------+----------------
test | POLYGON((0 0))
(1 row)
SELECT name FROM tiles WHERE Contains(tilebounds, GeomFromText('POINT(0 0)'));
NOTICE: IllegalArgumentException: point array must contain 0 or >1 elements
ERROR: POSTGIS2GEOS conversion failed
You might be able to find the bad geometry with isvalid() or
npoints():
SELECT name, AsText(tilebounds) FROM tiles WHERE NOT isvalid(tilebounds);
SELECT name, AsText(tilebounds) FROM tiles WHERE npoints(tilebounds) = 1;
--
Michael Fuhr
From sandeepkumar.jakkaraju at gmail.com Sun Nov 26 09:51:03 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Sun, 26 Nov 2006 23:21:03 +0530
Subject: [postgis-users] postgis on fedora ...
In-Reply-To: <20061126172846.GA4067@winnie.fuhr.org>
References: <c653c98f0611260522x626f59c0tbbab49773a8e688e@mail.gmail.com>
<20061126172846.GA4067@winnie.fuhr.org>
Message-ID: <c653c98f0611260951y10eeabdamf82da4d0082fc35@mail.gmail.com>
Hi Mike
Thanx for your reply ...but my geometry has 5 points ..
please see the attached file ..
I get all the polygons for isvalid() and also for NOT isvalid() ...
Thanks
Sandeep
On 11/26/06, Michael Fuhr <mike at fuhr.org> wrote:
>
> On Sun, Nov 26, 2006 at 06:52:13PM +0530, Sandeep Kumar Jakkaraju wrote:
> > when i am runnig this query
> >
> > select name from tiles where contains(tilebounds,GEOMFROMTEXT('POINT(0
> > 0)'));
> >
> > I get this error :
> >
> > NOTICE: IllegalArgumentException: point array must contain 0 or >1
> elements
> > ERROR: POSTGIS2GEOS conversion failed
>
> I'd guess that you have at least one bad geometry, e.g., a POLYGON
> with a ring that has exactly one point. The following example
> replicates the above error:
>
> CREATE TABLE tiles (name text);
> SELECT AddGeometryColumn('tiles', 'tilebounds', -1, 'GEOMETRY', 2);
> INSERT INTO tiles (name, tilebounds) VALUES ('test',
> '0103000000010000000100000000000000000000000000000000000000');
>
> SELECT name, AsText(tilebounds) FROM tiles;
> name | astext
> ------+----------------
> test | POLYGON((0 0))
> (1 row)
>
> SELECT name FROM tiles WHERE Contains(tilebounds, GeomFromText('POINT(0
> 0)'));
> NOTICE: IllegalArgumentException: point array must contain 0 or >1
> elements
>
> ERROR: POSTGIS2GEOS conversion failed
>
> You might be able to find the bad geometry with isvalid() or
> npoints():
>
> SELECT name, AsText(tilebounds) FROM tiles WHERE NOT isvalid(tilebounds);
> SELECT name, AsText(tilebounds) FROM tiles WHERE npoints(tilebounds) = 1;
>
> --
> Michael Fuhr
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From mike at fuhr.org Sun Nov 26 10:06:36 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Sun, 26 Nov 2006 11:06:36 -0700
Subject: [postgis-users] postgis on fedora ...
In-Reply-To: <c653c98f0611260951y10eeabdamf82da4d0082fc35@mail.gmail.com>
References: <c653c98f0611260522x626f59c0tbbab49773a8e688e@mail.gmail.com>
<20061126172846.GA4067@winnie.fuhr.org>
<c653c98f0611260951y10eeabdamf82da4d0082fc35@mail.gmail.com>
Message-ID: <20061126180636.GA4267@winnie.fuhr.org>
On Sun, Nov 26, 2006 at 11:21:03PM +0530, Sandeep Kumar Jakkaraju wrote:
> Thanx for your reply ...but my geometry has 5 points ..
> please see the attached file ..
The polygons in the first half of the file (lines 1-48) don't have
five points but rather five rings, each with one point. The first
one is:
POLYGON((0 0),(280 0),(280 280),(0 280),(0 0))
The polygons in the second half of the file (lines 49-96) appear
to be duplicates of those in the first half, but with one ring of
five points:
POLYGON((0 0,280 0,280 280,0 280,0 0))
> I get all the polygons for isvalid() and also for NOT isvalid() ...
Are you sure? Or are you getting the 48 good polygons (one ring
of five points) for isvalid() and the 48 bad polygons (five rings
of one point each) for NOT isvalid()?
--
Michael Fuhr
From sandeepkumar.jakkaraju at gmail.com Sun Nov 26 10:58:28 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Mon, 27 Nov 2006 00:28:28 +0530
Subject: [postgis-users] postgis on fedora ...
In-Reply-To: <20061126180636.GA4267@winnie.fuhr.org>
References: <c653c98f0611260522x626f59c0tbbab49773a8e688e@mail.gmail.com>
<20061126172846.GA4067@winnie.fuhr.org>
<c653c98f0611260951y10eeabdamf82da4d0082fc35@mail.gmail.com>
<20061126180636.GA4267@winnie.fuhr.org>
Message-ID: <c653c98f0611261058j6cc1fd1bl1acd26ea6502924b@mail.gmail.com>
Thanks Mike ...
I am sorry .. that i did not even check my results ...
I am able to do my work with INTERSECTS(geom,geom)...
but with CONTAINS(geom,geom) i dont get any results ..
If you want i can re post this in different thread !!??
Thanks
Regards
sandeep
On 11/26/06, Michael Fuhr <mike at fuhr.org> wrote:
>
> On Sun, Nov 26, 2006 at 11:21:03PM +0530, Sandeep Kumar Jakkaraju wrote:
> > Thanx for your reply ...but my geometry has 5 points ..
> > please see the attached file ..
>
> The polygons in the first half of the file (lines 1-48) don't have
> five points but rather five rings, each with one point. The first
> one is:
>
> POLYGON((0 0),(280 0),(280 280),(0 280),(0 0))
>
> The polygons in the second half of the file (lines 49-96) appear
> to be duplicates of those in the first half, but with one ring of
> five points:
>
> POLYGON((0 0,280 0,280 280,0 280,0 0))
>
> > I get all the polygons for isvalid() and also for NOT isvalid() ...
>
> Are you sure? Or are you getting the 48 good polygons (one ring
> of five points) for isvalid() and the 48 bad polygons (five rings
> of one point each) for NOT isvalid()?
>
> --
> Michael Fuhr
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
--
Sandeep Kumar Jakkaraju
WeBlog:
http://jakkarajus.blogspot.com
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From mike at fuhr.org Sun Nov 26 13:13:32 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Sun, 26 Nov 2006 14:13:32 -0700
Subject: [postgis-users] postgis on fedora ...
In-Reply-To: <c653c98f0611261058j6cc1fd1bl1acd26ea6502924b@mail.gmail.com>
References: <c653c98f0611260522x626f59c0tbbab49773a8e688e@mail.gmail.com>
<20061126172846.GA4067@winnie.fuhr.org>
<c653c98f0611260951y10eeabdamf82da4d0082fc35@mail.gmail.com>
<20061126180636.GA4267@winnie.fuhr.org>
<c653c98f0611261058j6cc1fd1bl1acd26ea6502924b@mail.gmail.com>
Message-ID: <20061126211332.GA5108@winnie.fuhr.org>
On Mon, Nov 27, 2006 at 12:28:28AM +0530, Sandeep Kumar Jakkaraju wrote:
> I am sorry .. that i did not even check my results ...
>
> I am able to do my work with INTERSECTS(geom,geom)...
> but with CONTAINS(geom,geom) i dont get any results ..
Intersects and Contains are different spatial relationships. For
detailed explanation see "Simple Feature Access - Part 1: Common
Architecture" Section 6.1.14 "Relational operators":
http://www.opengeospatial.org/standards/sfa
--
Michael Fuhr
From ekene at hypehypehype.net Sun Nov 26 15:47:54 2006
From: ekene at hypehypehype.net (kidult)
Date: Sun, 26 Nov 2006 15:47:54 -0800 (PST)
Subject: [postgis-users] dynamic point values
Message-ID: <7552826.post@talk.nabble.com>
the sql query
INSERT INTO location(geom, x, y, longitude, latitude, easting, northing)
SELECT
Transform(SetSRID(GeomFromText('POINT(primary_lat_dec primary_lon_dec)'),
10002), 2263) AS geom,
primary_lat_dec AS x,
primary_lon_dec AS y,
x(Transform(SetSRID(GeomFromText('POINT(primary_lat_dec primary_lon_dec)'),
10002), 4326)) AS longitude,
y(Transform(SetSRID(GeomFromText('POINT(primary_lat_dec primary_lon_dec)'),
10002), 4326)) AS latitude,
x(Transform(SetSRID(GeomFromText('POINT(primary_lat_dec primary_lon_dec)'),
10002), 2263))::int AS easting,
y(Transform(SetSRID(GeomFromText('POINT(primary_lat_dec primary_lon_dec)'),
10002), 2263))::int AS northing
FROM gnis;
throws the error
ERROR: parse error - invalid geometry
CONTEXT: SQL function "geomfromtext" statement 1
because the POINT object parameters
EX: Transform(SetSRID(GeomFromText('POINT(primary_lat_dec
primary_lon_dec)'), 10002), 2263)
are columns and not to static numeric decimal values. when i use static
numeric decimal values the query is successful.
EX: Transform(SetSRID(GeomFromText('POINT(44.3475481 -73.6287475)'), 10002),
2263)
what is the correct syntax for using columns as parameters for the POINT
object?
--
View this message in context: http://www.nabble.com/dynamic-point-values-tf2709026.html#a7552826
Sent from the PostGIS - User mailing list archive at Nabble.com.
From mike at fuhr.org Sun Nov 26 19:04:22 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Sun, 26 Nov 2006 20:04:22 -0700
Subject: [postgis-users] dynamic point values
In-Reply-To: <7552826.post@talk.nabble.com>
References: <7552826.post@talk.nabble.com>
Message-ID: <20061127030422.GA8463@winnie.fuhr.org>
On Sun, Nov 26, 2006 at 03:47:54PM -0800, kidult wrote:
> what is the correct syntax for using columns as parameters for the POINT
> object?
You can use MakePoint():
SELECT latitude, longitude, AsText(MakePoint(longitude, latitude))
FROM test;
latitude | longitude | astext
------------+-------------+-------------------------------
44.3475481 | -73.6287475 | POINT(-73.6287475 44.3475481)
(1 row)
Geometry coordinates are (X, Y) so use (longitude, latitude) instead
of (latitude, longitude).
--
Michael Fuhr
From azza at lisasoft.com Sun Nov 26 23:21:58 2006
From: azza at lisasoft.com (Andrew Hughes)
Date: Mon, 27 Nov 2006 17:51:58 +1030
Subject: [postgis-users] Extracting the Linestring Geometry from a BBox
(noob)
Message-ID: <456A9216.2020601@lisasoft.com>
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From jan.syryn at trasys.be Mon Nov 27 02:46:50 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Mon, 27 Nov 2006 11:46:50 +0100
Subject: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
In-Reply-To: <456809C7.7060206@logix-tt.com>
Message-ID: <001301c71211$586c6030$0801a8c0@ariane.tractebel.be>
Thanks Markus for responding.
In the meantime I found the same answer you are suggesting elsewhere:
http://postgis.refractions.net/pipermail/postgis-users/2005-March/007153.htm
l
I just pass it, so other might be helped by it too.
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Markus
Schaber
Sent: samedi 25 novembre 2006 10:16
To: PostGIS Users Discussion
Subject: Re: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
Hi,
Norman Barker wrote:
> 2. In the thread here, people are using:
> <driver-class>org.postgis.DriverWrapper</driver-class>
> When I do the same, I get a "No suitable driver" exception.
[...]
> 3. I wanted to use the GeometryType that is packed in PostGIS 1.1.5.
> After generating the new JAR and replacing the old one by this one, I
> start getting new exceptions:
> The class org.postgis.PGbox3d does not implement
> org.postgresql.util.PGobject.
Those 2 things look like a classpath/classloader problem.
You have to make sure that the postgis.jar and the postgresql-jdbc.jar are
available via the same classloader (and that you don't have two incarnations
of them in your classpath)
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org _______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From pdoria at netmadeira.com Mon Nov 27 03:58:08 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Mon, 27 Nov 2006 11:58:08 -0000
Subject: [postgis-users] Extracting the Linestring Geometry from a
BBox(noob)
In-Reply-To: <456A9216.2020601@lisasoft.com>
Message-ID: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178>
Hey Andrew,
I had to do a similiar thing
?Cut? the road segments belonging to a municipality
and the query ended
like this:
create my_road_segment as
select intersection(r.geometry, f.geometry) as geometry,
r.name, r.sec_name, r.city, r.region, r.country, r.pcode, r.road_type,
r.route_class, r.speed_class, r.one_way, r.has_dir, r.toll, r.no_car,
r.no_bus, r.no_taxi, r.no_bic, r.no_truck, r.no_emerg, r.no_deliv,
r.no_pedes, r.classific
from rede_estradas as r, freguesias_ram as f
where r.geometry && f.geometry
and intersects(r.geometry, f.geometry)
and f.nome_freg like 'Faj? da Ovelha%';
the keyword here is INTERSECTS
This query creates a table based on a select. This select returns the road
segments *contained* in a polygon defining a municipality.
Hope this helps.
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Andrew
Hughes
Sent: segunda-feira, 27 de Novembro de 2006 7:22
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] Extracting the Linestring Geometry from a
BBox(noob)
Hey All,
I'm trying to extract some linestrings from a collection of linestrings and
conditional on being within a BBox.
I will try and explain this best with some images...
My input looks like:
My desired output looks like this:
(note that I DO want the point where it intersects the bbox)
Is this at all possible to do? or do I need to start writing my own postgis
fuctions???
Thanks in advance
--AH
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From ruckc at yahoo.com Mon Nov 27 05:48:27 2006
From: ruckc at yahoo.com (Curtis W. Ruck)
Date: Mon, 27 Nov 2006 05:48:27 -0800 (PST)
Subject: [postgis-users] MakeLine question
Message-ID: <20061127134828.19716.qmail@web32207.mail.mud.yahoo.com>
I have a table with gps tracks stored as points, each point being one data record for every second.
I am trying to write a view which generates a polyline for each track. I know I need to "select MakeLine(the_geom) from track_log" but the postgis documentation suggests "You might want to use a subselect to order points before
feeding them to this aggregate."
Does anyone have an example of how to do this, the postgres documentation doesn't show an example of using a subquery in the SELECT list portion of the query.
Curtis
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From pdoria at netmadeira.com Mon Nov 27 06:04:48 2006
From: pdoria at netmadeira.com (Pedro Doria Meunier)
Date: Mon, 27 Nov 2006 14:04:48 -0000
Subject: [postgis-users] MakeLine question
In-Reply-To: <20061127134828.19716.qmail@web32207.mail.mud.yahoo.com>
Message-ID: <003201c7122d$00c6df10$07d6bed5@oem41cbbf9e178>
Hey Curtis,
Should your points contain a timestamp field you might try to order by it
;-)
Pedro Doria Meunier
(351) 91 302 49 72 - (351) 96 247 99 12
MSN - pdoriam at hotmail.com
ICQ - 308-182-126
Skype: pdoriam
_____
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Curtis
W. Ruck
Sent: segunda-feira, 27 de Novembro de 2006 13:48
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] MakeLine question
I have a table with gps tracks stored as points, each point being one data
record for every second.
I am trying to write a view which generates a polyline for each track. I
know I need to "select MakeLine(the_geom) from track_log" but the postgis
documentation suggests "You might want to use a subselect to order points
before feeding them to this aggregate."
Does anyone have an example of how to do this, the postgres documentation
doesn't show an example of using a subquery in the SELECT list portion of
the query.
Curtis
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From schabi at logix-tt.com Mon Nov 27 06:21:36 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Mon, 27 Nov 2006 15:21:36 +0100
Subject: [postgis-users] MakeLine question
In-Reply-To: <20061127134828.19716.qmail@web32207.mail.mud.yahoo.com>
References: <20061127134828.19716.qmail@web32207.mail.mud.yahoo.com>
Message-ID: <456AF470.9060106@logix-tt.com>
Hi, Curtis,
Curtis W. Ruck wrote:
> I have a table with gps tracks stored as points, each point being one
> data record for every second.
>
> I am trying to write a view which generates a polyline for each track.
> I know I need to "select MakeLine(the_geom) from track_log" but the
> postgis documentation suggests "You might want to use a subselect to
> order points before feeding them to this aggregate."
>
> Does anyone have an example of how to do this, the postgres
> documentation doesn't show an example of using a subquery in the SELECT
> list portion of the query.
One way would be:
SELECT track_id, MakeLine(the_geom) FROM (SELECT track_id, the_geom FROM
track_log ORDER BY seconds) AS foo GROUP BY track_id;
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From jan.syryn at trasys.be Mon Nov 27 08:39:28 2006
From: jan.syryn at trasys.be (Jan Syryn)
Date: Mon, 27 Nov 2006 17:39:28 +0100
Subject: [postgis-users] PostGIS - hibernate (new postgis.jar)
In-Reply-To: <456809C7.7060206@logix-tt.com>
Message-ID: <000001c71242$9bbcc650$0801a8c0@ariane.tractebel.be>
Hi Markus,
The thing I did to be able to continue is I have created a postgis_addon.jar
lib that contained only new stuff like BinaryWriter.class and
GeometryUserType.
And that works. It does not solve the problem, though I can use the latest
version of postgis.
I tried to use the tip I found in my previous posting by changing the name
of the postgresql-jdbc.jar drvier to pg-jdbc.jar driver with my new build
postgis2.jar (version 1.1.5)
I did not help.
If I remove the 2 stub files (PGConnection and Connection) from postgis2.jar
: same result.
It stucks again on "No suitable driver".
If I replace the postgis2.jar by postgis.jar(1.1.0) and postgis_addon.jar by
changing the settings on the classpath, everything works again.
So, I assume there is a thing in postgis2.jar.
And to create my postgis2.jar, I made a separate project in Eclipse, created
a jar file of almost all java files(exl examples). This should do it, no ?
Anyway, I included my postgis2.jar so maybe one can replace his one with
mine and see what that does.
Or maybe one sees what I am doing wrong elsewhere...
TIA,
Jan
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Markus
Schaber
Sent: samedi 25 novembre 2006 10:16
To: PostGIS Users Discussion
Subject: Re: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
Hi,
Norman Barker wrote:
> 2. In the thread here, people are using:
> <driver-class>org.postgis.DriverWrapper</driver-class>
> When I do the same, I get a "No suitable driver" exception.
[...]
> 3. I wanted to use the GeometryType that is packed in PostGIS 1.1.5.
> After generating the new JAR and replacing the old one by this one, I
> start getting new exceptions:
> The class org.postgis.PGbox3d does not implement
> org.postgresql.util.PGobject.
Those 2 things look like a classpath/classloader problem.
You have to make sure that the postgis.jar and the postgresql-jdbc.jar are
available via the same classloader (and that you don't have two incarnations
of them in your classpath)
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org _______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
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From nbarker at ittvis.com Mon Nov 27 09:12:58 2006
From: nbarker at ittvis.com (Norman Barker)
Date: Mon, 27 Nov 2006 17:12:58 -0000
Subject: [postgis-users] PostGIS - hibernate (new postgis.jar)
Message-ID: <B67A5FB7A8114B47A70517C9C0D102E8131CA7@bath.uk.rsinc.com>
I think I missed the start of this thread (and I can't find it in the
archives), can you summarize the problem, and the server you are using?
The GeometryUserType class doesn't do very much but call out to the
utility functions provided in the postgis jar, so it does sound like a
classpath issue.
If you can send me a summary I will try to recreate the problem. (I
have both tomcat and jboss set up here).
If the attachment is large please send it to norman.barker<at>gmail.com
Thanks,
Norman
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Jan
Syryn
Sent: 27 November 2006 16:39
To: 'PostGIS Users Discussion'
Subject: RE: [postgis-users] PostGIS - hibernate (new postgis.jar)
***********************
Warning: Your file, postgis2.jar, contains more than 32 files after
decompression and cannot be scanned.
***********-***********
Hi Markus,
The thing I did to be able to continue is I have created a
postgis_addon.jar
lib that contained only new stuff like BinaryWriter.class and
GeometryUserType.
And that works. It does not solve the problem, though I can use the
latest
version of postgis.
I tried to use the tip I found in my previous posting by changing the
name
of the postgresql-jdbc.jar drvier to pg-jdbc.jar driver with my new
build
postgis2.jar (version 1.1.5)
I did not help.
If I remove the 2 stub files (PGConnection and Connection) from
postgis2.jar
: same result.
It stucks again on "No suitable driver".
If I replace the postgis2.jar by postgis.jar(1.1.0) and
postgis_addon.jar by
changing the settings on the classpath, everything works again.
So, I assume there is a thing in postgis2.jar.
And to create my postgis2.jar, I made a separate project in Eclipse,
created
a jar file of almost all java files(exl examples). This should do it, no
?
Anyway, I included my postgis2.jar so maybe one can replace his one with
mine and see what that does.
Or maybe one sees what I am doing wrong elsewhere...
TIA,
Jan
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Markus
Schaber
Sent: samedi 25 novembre 2006 10:16
To: PostGIS Users Discussion
Subject: Re: [postgis-users] RE: RE: RE: PostGIS - hibernate - EJB3
Hi,
Norman Barker wrote:
> 2. In the thread here, people are using:
> <driver-class>org.postgis.DriverWrapper</driver-class>
> When I do the same, I get a "No suitable driver" exception.
[...]
> 3. I wanted to use the GeometryType that is packed in PostGIS 1.1.5.
> After generating the new JAR and replacing the old one by this one, I
> start getting new exceptions:
> The class org.postgis.PGbox3d does not implement
> org.postgresql.util.PGobject.
Those 2 things look like a classpath/classloader problem.
You have to make sure that the postgis.jar and the postgresql-jdbc.jar
are
available via the same classloader (and that you don't have two
incarnations
of them in your classpath)
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From azza at lisasoft.com Mon Nov 27 15:50:49 2006
From: azza at lisasoft.com (Andrew Hughes)
Date: Tue, 28 Nov 2006 10:20:49 +1030
Subject: [postgis-users] Extracting the Linestring Geometry from
a BBox(noob)
In-Reply-To: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178>
References: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178>
Message-ID: <456B79D9.3070904@lisasoft.com>
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From egouge at refractions.net Mon Nov 27 16:38:56 2006
From: egouge at refractions.net (Emily Gouge)
Date: Mon, 27 Nov 2006 16:38:56 -0800
Subject: [postgis-users] Extracting the Linestring Geometry
from a BBox(noob)
In-Reply-To: <456B79D9.3070904@lisasoft.com>
References: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178>
<456B79D9.3070904@lisasoft.com>
Message-ID: <456B8520.3020304@refractions.net>
Try the intersection function in the select statement. Something like:
select intersection(the_geom, setsrid('BOX3D(138.4925 -34.905393,138.493313 -34.90458)', 4283))
from route_service_transaction where intersects(the_geom, SetSRID('BOX3D(138.4925
-34.905393,138.493313 -34.90458)'::box3d,4283))
Andrew Hughes wrote:
> Hi Pedro,
>
> Thanks for the reply!!!!!
>
> I'm finding some problems with my query (specifically the "intersection"
> function).... I can select the entire LINESTRING that intersects a BBox.... but
> I can not limit the geometry of that LINESTRING to the path through the BBox
> (like in the images below).
>
> My Query to Find the entire LINESTRING(s) is:
>
> select the_geom from route_service_transaction where intersects(the_geom,
> SetSRID('BOX3D(138.4925 -34.905393,138.493313 -34.90458)'::box3d,4283))
>
> This does sucessfully find the LINESTRINGs I am looking for, however they
> return the Complete LINESTRING inside AND outside the bbox. I only want the
> LINESTRING(s) that are inside the BBox.
>
> Returns:
> SRID=4283;LINESTRING(138.49680675 -34.89338892,138.496643
> -34.8935516,138.496643 -34.8935516,138.496882 -34.893792,138.496882
> -34.893792,138.496773 -34.893837,138.496186 -34.894212,138.496186
> -34.894212,138.495597 -34.894607,138.495475 -34.894711,138.495422
> -34.894779,138.495422 -34.894779,138.495369 -34.894848,138.495301
> -34.894999,138.49529 -34.895088,138.49529 -34.895088,138.495277
> -34.895194,138.495291 -34.895815,138.495291 -34.895815,138.494732
> -34.895772,138.494732 -34.895772,138.494418 -34.895756,138.494418
> -34.895756,138.494421 -34.895791,138.494368 -34.896227,138.49427
> -34.896491,138.494183 -34.89665,138.493852 -34.897041,138.493775
> -34.897091,138.493775 -34.897091,138.493586 -34.89721,138.493344
> -34.897282,138.493127 -34.897301,138.493127 -34.897301,138.492088
> -34.897342,138.492088 -34.897342,138.492174 -34.898481,138.492174
> -34.898481,138.492178 -34.898537,138.492219 -34.899098,138.492219
> -34.899098,138.492252 -34.899601,138.492252 -34.899601,138.492261
> -34.899752,138.492261 -34.899752,138.492303 -34.900254,138.492303
> -34.900254,138.492415 -34.901815,138.492415 -34.901815,138.492439
> -34.902282,138.492439 -34.902282,138.492453 -34.902282,138.492472
> -34.902285,138.492489 -34.902291,138.492505 -34.902301,138.492518
> -34.902312,138.492527 -34.902326,138.492533 -34.902341,138.492534
> -34.902353,138.492534 -34.902353,138.492535 -34.902357,138.492533
> -34.902373,138.492527 -34.902388,138.492518 -34.902402,138.492505
> -34.902413,138.492489 -34.902423,138.492472 -34.902429,138.492453
> -34.902432,138.492448 -34.902432,138.492448 -34.902432,138.492631
> -34.904971,138.492631 -34.904971,138.492646 -34.904971,138.492666
> -34.904974,138.492685 -34.904981,138.492701 -34.904991,138.492715
> -34.905003,138.492725 -34.905018,138.492731 -34.905033,138.492732
> -34.905044,138.492732 -34.905044,138.492733 -34.90505,138.492731
> -34.905067,138.492725 -34.905082,138.492715 -34.905097,138.492701
> -34.905109,138.492685 -34.905119,138.492666 -34.905126,138.492646
> -34.905129,138.492642 -34.905129,138.492642 -34.905129,138.4927512
> -34.9065512,138.4927512 -34.9065512,138.49314358 -34.90652109)
>
> I have tried to limit the above LINESTRING to the geometry with the following query:
>
> select intersection(
> (select the_geom from route_service_transaction where
> intersects(the_geom, SetSRID('BOX3D(138.4925 -34.905393,138.493313
> -34.90458)'::box3d,4283)) )
> ,
> (SetSRID('BOX3D(138.4925 -34.905393,138.493313 -34.90458)'::box3d,4283))
> )
>
> However this returns something very strange - ???MULIPOINT??? and :
> Returns:
> SRID=4283;MULTIPOINT(138.492602818432 -34.90458 1.7e-308,138.492662270567
> -34.905393 1.7e-308)
>
>
> Any idea how to "trim" or "limit" the LINESTRING in the first query to that of
> the path through a BBox??? Also, maintaining this as a LINESTRING not a multipoint.
>
>
>
> Many Thanks!!!!
>
>
>
> p.s. sorry if these questions are annoying, I am rather new to PostGIS!
>
>
>
>
> Pedro Doria Meunier wrote:
>>
>> Hey Andrew,
>>
>>
>>
>> I had to do a similiar thing?
>>
>> ?Cut? the road segments belonging to a municipality? and the query ended like
>> this:
>>
>>
>>
>> create my_road_segment as
>>
>> select intersection(r.geometry, f.geometry) as geometry,
>>
>> r.name, r.sec_name, r.city, r.region, r.country, r.pcode, r.road_type,
>>
>> r.route_class, r.speed_class, r.one_way, r.has_dir, r.toll, r.no_car,
>>
>> r.no_bus, r.no_taxi, r.no_bic, r.no_truck, r.no_emerg, r.no_deliv, r.no_pedes,
>> r.classific
>>
>> from rede_estradas as r, freguesias_ram as f
>>
>> where r.geometry && f.geometry
>>
>> and intersects(r.geometry, f.geometry)
>>
>> and f.nome_freg like 'Faj? da Ovelha%';
>>
>>
>>
>> the keyword here is INTERSECTS
>>
>>
>>
>> This query creates a table based on a select. This select returns the road
>> segments **contained** in a polygon defining a municipality.
>>
>>
>>
>> Hope this helps.
>>
>>
>>
>> _Pedro Doria Meunier_
>>
>> (351) 91 302 49 72 - (351) 96 247 99 12
>>
>> MSN - pdoriam at hotmail.com <mailto:pdoriam at hotmail.com>
>>
>> ICQ - 308-182-126
>>
>> Skype: pdoriam
>>
>>
>>
>> --------------------------------------------------------------------------------
>>
>> *From:* postgis-users-bounces at postgis.refractions.net
>> [mailto:postgis-users-bounces at postgis.refractions.net] *On Behalf Of *Andrew
>> Hughes
>> *Sent:* segunda-feira, 27 de Novembro de 2006 7:22
>> *To:* postgis-users at postgis.refractions.net
>> *Subject:* [postgis-users] Extracting the Linestring Geometry from a BBox(noob)
>>
>>
>>
>> Hey All,
>>
>> I'm trying to extract some linestrings from a collection of linestrings and
>> conditional on being within a BBox.
>>
>> I will try and explain this best with some images...
>>
>> My input looks like:
>>
>>
>>
>> My desired output looks like this:
>>
>> (note that I DO want the point where it intersects the bbox)
>>
>>
>>
>> Is this at all possible to do? or do I need to start writing my own postgis
>> fuctions???
>>
>>
>>
>> Thanks in advance
>>
>> --AH
>>
>> --------------------------------------------------------------------------------
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>
>
> --
>
> Regards,
>
> *Andrew Hughes*
> Software Engineer
> LISAsoft Pty. Ltd. (Adelaide)
>
> --------------------------------------------------------------------------------
>
>
> LISAsoft Pty. Ltd.
>
> <http://www.lisasoft.com>
> *ADELAIDE Office*
> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=4>
> 38 Greenhill Road
> Wayville SA 5034
> Australia
> *Telephone +61 8 8272 1555*
> *Facsimile +61 8 8271 1199*
> *SYDNEY Office*
> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=1>
> Suite 112 The Lower Deck
> Jones Bay Wharf
> 19-21 Pirrama Road
> Pyrmont NSW 2009 AUS
> *Telephone +61 2 8570 5060*
> *Facsimile +61 2 8570 5099*
> *MELBOURNE Office*
> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=3>
> Level 7 520 Collins Street
> Melbourne VIC 3000
> Australia
> *Telephone +61 3 9629 1799*
> *Facsimile +61 3 9629 4955*
>
> --------------------------------------------------------------------------------
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From azza at lisasoft.com Mon Nov 27 17:07:09 2006
From: azza at lisasoft.com (Andrew Hughes)
Date: Tue, 28 Nov 2006 11:37:09 +1030
Subject: [postgis-users] Extracting the Linestring
Geometry from a BBox(noob)
In-Reply-To: <456B8520.3020304@refractions.net>
References: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178> <456B79D9.3070904@lisasoft.com>
<456B8520.3020304@refractions.net>
Message-ID: <456B8BBD.7000806@lisasoft.com>
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From egouge at refractions.net Mon Nov 27 17:13:28 2006
From: egouge at refractions.net (Emily Gouge)
Date: Mon, 27 Nov 2006 17:13:28 -0800
Subject: [postgis-users] Extracting the
Linestring Geometry from a BBox(noob)
In-Reply-To: <456B8BBD.7000806@lisasoft.com>
References: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178> <456B79D9.3070904@lisasoft.com> <456B8520.3020304@refractions.net>
<456B8BBD.7000806@lisasoft.com>
Message-ID: <456B8D38.8060802@refractions.net>
Try it.
This simple example shows that the intersection of a polygon and linestring returns a linestring.
select astext(intersection(geomfromtext('POLYGON((1 1, 1 2, 2 2, 2 1, 1 1))'),
geomfromtext('LINESTRING(0 0, 3 3)')));
Returns:
LINESTRING(1 1,2 2)
Andrew Hughes wrote:
> Hi Emily,
>
> Thanks for that! Unless I am mistaken......
>
> I think I am working out that the intersection function returns the points at
> which the two geometry's intersect. This is the points at which my LINESTRING
> enters and exits the BBox (hence the MULTIPOINT). So I don't think that this
> really does what I want.
>
> >From : http://postgis.refractions.net/docs/ch06.html#id2526581
>
> Intersection(geometry, geometry)
>
> Returns a geometry that represents the point set intersection of the
> Geometies.
>
> Performed by the GEOS module
>
> Do not call with a GeometryCollection as an argument
>
> OGC SPEC s2.1.1.3
>
>
> I am not sure anything does what I am looking for, maybe someone else knows???
>
>
> --Thanks Heaps Though!
>
>
>
>
> Emily Gouge wrote:
>> Try the intersection function in the select statement. Something like:
>>
>> select intersection(the_geom, setsrid('BOX3D(138.4925 -34.905393,138.493313
>> -34.90458)', 4283))
>> from route_service_transaction where intersects(the_geom,
>> SetSRID('BOX3D(138.4925 -34.905393,138.493313 -34.90458)'::box3d,4283))
>>
>> Andrew Hughes wrote:
>>> Hi Pedro,
>>>
>>> Thanks for the reply!!!!!
>>>
>>> I'm finding some problems with my query (specifically the "intersection"
>>> function).... I can select the entire LINESTRING that intersects a BBox....
>>> but I can not limit the geometry of that LINESTRING to the path through the
>>> BBox (like in the images below).
>>>
>>> My Query to Find the entire LINESTRING(s) is:
>>>
>>> select the_geom from route_service_transaction where intersects(the_geom,
>>> SetSRID('BOX3D(138.4925 -34.905393,138.493313 -34.90458)'::box3d,4283))
>>>
>>> This does sucessfully find the LINESTRINGs I am looking for, however they
>>> return the Complete LINESTRING inside AND outside the bbox. I only want the
>>> LINESTRING(s) that are inside the BBox.
>>>
>>> Returns:
>>> SRID=4283;LINESTRING(138.49680675 -34.89338892,138.496643
>>> -34.8935516,138.496643 -34.8935516,138.496882 -34.893792,138.496882
>>> -34.893792,138.496773 -34.893837,138.496186 -34.894212,138.496186
>>> -34.894212,138.495597 -34.894607,138.495475 -34.894711,138.495422
>>> -34.894779,138.495422 -34.894779,138.495369 -34.894848,138.495301
>>> -34.894999,138.49529 -34.895088,138.49529 -34.895088,138.495277
>>> -34.895194,138.495291 -34.895815,138.495291 -34.895815,138.494732
>>> -34.895772,138.494732 -34.895772,138.494418 -34.895756,138.494418
>>> -34.895756,138.494421 -34.895791,138.494368 -34.896227,138.49427
>>> -34.896491,138.494183 -34.89665,138.493852 -34.897041,138.493775
>>> -34.897091,138.493775 -34.897091,138.493586 -34.89721,138.493344
>>> -34.897282,138.493127 -34.897301,138.493127 -34.897301,138.492088
>>> -34.897342,138.492088 -34.897342,138.492174 -34.898481,138.492174
>>> -34.898481,138.492178 -34.898537,138.492219 -34.899098,138.492219
>>> -34.899098,138.492252 -34.899601,138.492252 -34.899601,138.492261
>>> -34.899752,138.492261 -34.899752,138.492303 -34.900254,138.492303
>>> -34.900254,138.492415 -34.901815,138.492415 -34.901815,138.492439
>>> -34.902282,138.492439 -34.902282,138.492453 -34.902282,138.492472
>>> -34.902285,138.492489 -34.902291,138.492505 -34.902301,138.492518
>>> -34.902312,138.492527 -34.902326,138.492533 -34.902341,138.492534
>>> -34.902353,138.492534 -34.902353,138.492535 -34.902357,138.492533
>>> -34.902373,138.492527 -34.902388,138.492518 -34.902402,138.492505
>>> -34.902413,138.492489 -34.902423,138.492472 -34.902429,138.492453
>>> -34.902432,138.492448 -34.902432,138.492448 -34.902432,138.492631
>>> -34.904971,138.492631 -34.904971,138.492646 -34.904971,138.492666
>>> -34.904974,138.492685 -34.904981,138.492701 -34.904991,138.492715
>>> -34.905003,138.492725 -34.905018,138.492731 -34.905033,138.492732
>>> -34.905044,138.492732 -34.905044,138.492733 -34.90505,138.492731
>>> -34.905067,138.492725 -34.905082,138.492715 -34.905097,138.492701
>>> -34.905109,138.492685 -34.905119,138.492666 -34.905126,138.492646
>>> -34.905129,138.492642 -34.905129,138.492642 -34.905129,138.4927512
>>> -34.9065512,138.4927512 -34.9065512,138.49314358 -34.90652109)
>>>
>>> I have tried to limit the above LINESTRING to the geometry with the following
>>> query:
>>>
>>> select intersection(
>>> (select the_geom from route_service_transaction where
>>> intersects(the_geom, SetSRID('BOX3D(138.4925 -34.905393,138.493313
>>> -34.90458)'::box3d,4283)) )
>>> ,
>>> (SetSRID('BOX3D(138.4925 -34.905393,138.493313 -34.90458)'::box3d,4283))
>>> )
>>>
>>> However this returns something very strange - ???MULIPOINT??? and :
>>> Returns:
>>> SRID=4283;MULTIPOINT(138.492602818432 -34.90458 1.7e-308,138.492662270567
>>> -34.905393 1.7e-308)
>>>
>>>
>>> Any idea how to "trim" or "limit" the LINESTRING in the first query to that
>>> of the path through a BBox??? Also, maintaining this as a LINESTRING not a
>>> multipoint.
>>>
>>>
>>>
>>> Many Thanks!!!!
>>>
>>>
>>>
>>> p.s. sorry if these questions are annoying, I am rather new to PostGIS!
>>>
>>>
>>>
>>>
>>> Pedro Doria Meunier wrote:
>>>>
>>>> Hey Andrew,
>>>>
>>>>
>>>>
>>>> I had to do a similiar thing?
>>>>
>>>> ?Cut? the road segments belonging to a municipality? and the query ended
>>>> like this:
>>>>
>>>>
>>>>
>>>> create my_road_segment as
>>>>
>>>> select intersection(r.geometry, f.geometry) as geometry,
>>>>
>>>> r.name, r.sec_name, r.city, r.region, r.country, r.pcode, r.road_type,
>>>>
>>>> r.route_class, r.speed_class, r.one_way, r.has_dir, r.toll, r.no_car,
>>>>
>>>> r.no_bus, r.no_taxi, r.no_bic, r.no_truck, r.no_emerg, r.no_deliv,
>>>> r.no_pedes, r.classific
>>>>
>>>> from rede_estradas as r, freguesias_ram as f
>>>>
>>>> where r.geometry && f.geometry
>>>>
>>>> and intersects(r.geometry, f.geometry)
>>>>
>>>> and f.nome_freg like 'Faj? da Ovelha%';
>>>>
>>>>
>>>>
>>>> the keyword here is INTERSECTS
>>>>
>>>>
>>>>
>>>> This query creates a table based on a select. This select returns the road
>>>> segments **contained** in a polygon defining a municipality.
>>>>
>>>>
>>>>
>>>> Hope this helps.
>>>>
>>>>
>>>>
>>>> _Pedro Doria Meunier_
>>>>
>>>> (351) 91 302 49 72 - (351) 96 247 99 12
>>>>
>>>> MSN - pdoriam at hotmail.com <mailto:pdoriam at hotmail.com>
>>>>
>>>> ICQ - 308-182-126
>>>>
>>>> Skype: pdoriam
>>>>
>>>>
>>>>
>>>> --------------------------------------------------------------------------------
>>>>
>>>>
>>>> *From:* postgis-users-bounces at postgis.refractions.net
>>>> [mailto:postgis-users-bounces at postgis.refractions.net] *On Behalf Of *Andrew
>>>> Hughes
>>>> *Sent:* segunda-feira, 27 de Novembro de 2006 7:22
>>>> *To:* postgis-users at postgis.refractions.net
>>>> *Subject:* [postgis-users] Extracting the Linestring Geometry from a BBox(noob)
>>>>
>>>>
>>>>
>>>> Hey All,
>>>>
>>>> I'm trying to extract some linestrings from a collection of linestrings and
>>>> conditional on being within a BBox.
>>>>
>>>> I will try and explain this best with some images...
>>>>
>>>> My input looks like:
>>>>
>>>>
>>>>
>>>> My desired output looks like this:
>>>>
>>>> (note that I DO want the point where it intersects the bbox)
>>>>
>>>>
>>>>
>>>> Is this at all possible to do? or do I need to start writing my own postgis
>>>> fuctions???
>>>>
>>>>
>>>>
>>>> Thanks in advance
>>>>
>>>> --AH
>>>>
>>>> --------------------------------------------------------------------------------
>>>>
>>>>
>>>> _______________________________________________
>>>> postgis-users mailing list
>>>> postgis-users at postgis.refractions.net
>>>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>>
>>>
>>>
>>> --
>>>
>>> Regards,
>>>
>>> *Andrew Hughes*
>>> Software Engineer
>>> LISAsoft Pty. Ltd. (Adelaide)
>>>
>>> --------------------------------------------------------------------------------
>>>
>>>
>>> LISAsoft Pty. Ltd.
>>>
>>> <http://www.lisasoft.com>
>>> *ADELAIDE Office*
>>> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=4>
>>> 38 Greenhill Road
>>> Wayville SA 5034
>>> Australia
>>> *Telephone +61 8 8272 1555*
>>> *Facsimile +61 8 8271 1199*
>>> *SYDNEY Office*
>>> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=1>
>>> Suite 112 The Lower Deck
>>> Jones Bay Wharf
>>> 19-21 Pirrama Road
>>> Pyrmont NSW 2009 AUS
>>> *Telephone +61 2 8570 5060*
>>> *Facsimile +61 2 8570 5099*
>>> *MELBOURNE Office*
>>> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=3>
>>> Level 7 520 Collins Street
>>> Melbourne VIC 3000
>>> Australia
>>> *Telephone +61 3 9629 1799*
>>> *Facsimile +61 3 9629 4955*
>>>
>>> --------------------------------------------------------------------------------
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> _______________________________________________
>>> postgis-users mailing list
>>> postgis-users at postgis.refractions.net
>>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
From azza at lisasoft.com Mon Nov 27 17:40:08 2006
From: azza at lisasoft.com (Andrew Hughes)
Date: Tue, 28 Nov 2006 12:10:08 +1030
Subject: [postgis-users] Extracting
the Linestring Geometry from a BBox(noob)
In-Reply-To: <456B8D38.8060802@refractions.net>
References: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178> <456B79D9.3070904@lisasoft.com> <456B8520.3020304@refractions.net> <456B8BBD.7000806@lisasoft.com>
<456B8D38.8060802@refractions.net>
Message-ID: <456B9378.8040703@lisasoft.com>
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From akrherz at iastate.edu Mon Nov 27 18:34:41 2006
From: akrherz at iastate.edu (Daryl Herzmann)
Date: Mon, 27 Nov 2006 20:34:41 -0600 (CST)
Subject: [postgis-users] Tiger postgis dump files
Message-ID: <Pine.LNX.4.61.0611272028530.4538@ics128-198.icsincorporated.com>
Greetings,
I'm curious about an old post Paul Ramsey made here:
http://postgis.refractions.net/pipermail/postgis-users/2004-September/005795.html
namely, "Since TIGER is freely redistributable, when we have run the whole
data set, we will re-export the results as dump files by state, so people
can load up the tables they want"
Did anything come of this?
thanks!
daryl
From egouge at refractions.net Mon Nov 27 19:34:42 2006
From: egouge at refractions.net (egouge at refractions.net)
Date: Mon, 27 Nov 2006 19:34:42 -0800
Subject: [postgis-users]
Extracting the Linestring Geometry from a BBox(noob)
In-Reply-To: <456B9378.8040703@lisasoft.com>
References: <000c01c7121b$4e597150$07d6bed5@oem41cbbf9e178>
<456B79D9.3070904@lisasoft.com> <456B8520.3020304@refractions.net>
<456B8BBD.7000806@lisasoft.com> <456B8D38.8060802@refractions.net>
<456B9378.8040703@lisasoft.com>
Message-ID: <1164684882.456bae52e8064@ssl.refractions.net>
Interesting - learn something new everyday! Glad it works for you.
Quoting Andrew Hughes <azza at lisasoft.com>:
>
>
>
>
>
>
> Wow thanks emily!
>
>
>
> That seems to work with Polygon's... but not with the bbox!
>
>
>
> Problem solvered!
>
>
>
>
>
> Emily Gouge wrote:
> Try
> it.
>
>
>
>
> This simple example shows that the intersection of a polygon and
> linestring returns a linestring.
>
>
>
>
> select astext(intersection(geomfromtext('POLYGON((1 1, 1 2, 2 2, 2 1, 1
> 1))'), geomfromtext('LINESTRING(0 0, 3 3)')));
>
>
>
>
> Returns:
>
>
> LINESTRING(1 1,2 2)
>
>
>
>
>
>
>
>
> Andrew Hughes wrote:
>
>
> Hi Emily,
>
>
>
>
> Thanks for that! Unless I am mistaken......
>
>
>
>
> I think I am working out that the intersection function returns the
> points at which the two geometry's intersect. This is the points at
> which my LINESTRING enters and exits the BBox (hence the MULTIPOINT).
> So I don't think that this really does what I want.
>
>
>
>
> >From : http://postgis.refractions.net/docs/ch06.html#id2526581
>
>
>
>
> Intersection(geometry, geometry)
>
>
>
>
> Returns a geometry that represents the point set intersection
> of the
>
>
> Geometies.
>
>
>
>
> Performed by the GEOS module
>
>
>
>
> Do not call with a GeometryCollection as an argument
>
>
>
>
> OGC SPEC s2.1.1.3
>
>
>
>
>
>
> I am not sure anything does what I am looking for, maybe someone else
> knows???
>
>
>
>
>
>
> --Thanks Heaps Though!
>
>
>
>
>
>
>
>
>
>
> Emily Gouge wrote:
>
>
> Try the intersection function in the select
> statement. Something like:
>
>
>
>
> select intersection(the_geom, setsrid('BOX3D(138.4925
> -34.905393,138.493313 -34.90458)', 4283))
>
>
> from route_service_transaction where intersects(the_geom,
> SetSRID('BOX3D(138.4925 -34.905393,138.493313 -34.90458)'::box3d,4283))
>
>
>
>
> Andrew Hughes wrote:
>
>
> Hi Pedro,
>
>
>
>
> Thanks for the reply!!!!!
>
>
>
>
> I'm finding some problems with my query (specifically the
> "intersection" function).... I can select the entire LINESTRING that
> intersects a BBox.... but I can not limit the geometry of that
> LINESTRING to the path through the BBox (like in the images below).
>
>
>
>
> My Query to Find the entire LINESTRING(s) is:
>
>
>
>
> select the_geom from route_service_transaction where
> intersects(the_geom,
>
>
> SetSRID('BOX3D(138.4925 -34.905393,138.493313
> -34.90458)'::box3d,4283))
>
>
>
>
> This does sucessfully find the LINESTRINGs I am looking for,
> however they
>
>
> return the Complete LINESTRING inside AND outside the bbox. I only
> want the
>
>
> LINESTRING(s) that are inside the BBox.
>
>
>
>
> Returns:
>
>
> SRID=4283;LINESTRING(138.49680675 -34.89338892,138.496643
>
>
> -34.8935516,138.496643 -34.8935516,138.496882 -34.893792,138.496882
>
>
> -34.893792,138.496773 -34.893837,138.496186 -34.894212,138.496186
>
>
> -34.894212,138.495597 -34.894607,138.495475 -34.894711,138.495422
>
>
> -34.894779,138.495422 -34.894779,138.495369 -34.894848,138.495301
>
>
> -34.894999,138.49529 -34.895088,138.49529 -34.895088,138.495277
>
>
> -34.895194,138.495291 -34.895815,138.495291 -34.895815,138.494732
>
>
> -34.895772,138.494732 -34.895772,138.494418 -34.895756,138.494418
>
>
> -34.895756,138.494421 -34.895791,138.494368 -34.896227,138.49427
>
>
> -34.896491,138.494183 -34.89665,138.493852 -34.897041,138.493775
>
>
> -34.897091,138.493775 -34.897091,138.493586 -34.89721,138.493344
>
>
> -34.897282,138.493127 -34.897301,138.493127 -34.897301,138.492088
>
>
> -34.897342,138.492088 -34.897342,138.492174 -34.898481,138.492174
>
>
> -34.898481,138.492178 -34.898537,138.492219 -34.899098,138.492219
>
>
> -34.899098,138.492252 -34.899601,138.492252 -34.899601,138.492261
>
>
> -34.899752,138.492261 -34.899752,138.492303 -34.900254,138.492303
>
>
> -34.900254,138.492415 -34.901815,138.492415 -34.901815,138.492439
>
>
> -34.902282,138.492439 -34.902282,138.492453 -34.902282,138.492472
>
>
> -34.902285,138.492489 -34.902291,138.492505 -34.902301,138.492518
>
>
> -34.902312,138.492527 -34.902326,138.492533 -34.902341,138.492534
>
>
> -34.902353,138.492534 -34.902353,138.492535 -34.902357,138.492533
>
>
> -34.902373,138.492527 -34.902388,138.492518 -34.902402,138.492505
>
>
> -34.902413,138.492489 -34.902423,138.492472 -34.902429,138.492453
>
>
> -34.902432,138.492448 -34.902432,138.492448 -34.902432,138.492631
>
>
> -34.904971,138.492631 -34.904971,138.492646 -34.904971,138.492666
>
>
> -34.904974,138.492685 -34.904981,138.492701 -34.904991,138.492715
>
>
> -34.905003,138.492725 -34.905018,138.492731 -34.905033,138.492732
>
>
> -34.905044,138.492732 -34.905044,138.492733 -34.90505,138.492731
>
>
> -34.905067,138.492725 -34.905082,138.492715 -34.905097,138.492701
>
>
> -34.905109,138.492685 -34.905119,138.492666 -34.905126,138.492646
>
>
> -34.905129,138.492642 -34.905129,138.492642 -34.905129,138.4927512
>
>
> -34.9065512,138.4927512 -34.9065512,138.49314358 -34.90652109)
>
>
>
>
> I have tried to limit the above LINESTRING to the geometry with the
> following query:
>
>
>
>
> select intersection(
>
>
> (select the_geom from route_service_transaction where
>
>
> intersects(the_geom, SetSRID('BOX3D(138.4925
> -34.905393,138.493313
>
>
> -34.90458)'::box3d,4283)) )
>
>
> ,
>
>
> (SetSRID('BOX3D(138.4925 -34.905393,138.493313
> -34.90458)'::box3d,4283))
>
>
> )
>
>
>
>
> However this returns something very strange - ???MULIPOINT??? and :
>
>
> Returns:
>
>
> SRID=4283;MULTIPOINT(138.492602818432 -34.90458
> 1.7e-308,138.492662270567
>
>
> -34.905393 1.7e-308)
>
>
>
>
>
>
> Any idea how to "trim" or "limit" the LINESTRING in the first query to
> that of the path through a BBox??? Also, maintaining this as a
> LINESTRING not a multipoint.
>
>
>
>
>
>
>
>
> Many Thanks!!!!
>
>
>
>
>
>
>
>
> p.s. sorry if these questions are annoying, I am rather new to PostGIS!
>
>
>
>
>
>
>
>
>
>
> Pedro Doria Meunier wrote:
>
>
>
>
> Hey Andrew,
>
>
>
>
>
>
>
>
>
> I had to do a similiar thing
>
>
>
>
> ?Cut? the road segments belonging to a municipality
and the query
> ended like this:
>
>
>
>
>
>
>
>
>
> create my_road_segment as
>
>
>
>
> select intersection(r.geometry, f.geometry) as geometry,
>
>
>
>
> r.name, r.sec_name, r.city, r.region, r.country, r.pcode, r.road_type,
>
>
>
>
> r.route_class, r.speed_class, r.one_way, r.has_dir, r.toll, r.no_car,
>
>
>
>
> r.no_bus, r.no_taxi, r.no_bic, r.no_truck, r.no_emerg, r.no_deliv,
> r.no_pedes, r.classific
>
>
>
>
> from rede_estradas as r, freguesias_ram as f
>
>
>
>
> where r.geometry && f.geometry
>
>
>
>
> and intersects(r.geometry, f.geometry)
>
>
>
>
> and f.nome_freg like 'Faj? da Ovelha%';
>
>
>
>
>
>
>
>
>
> the keyword here is INTERSECTS
>
>
>
>
>
>
>
>
>
> This query creates a table based on a select. This select returns the
> road segments **contained** in a polygon defining a municipality.
>
>
>
>
>
>
>
>
>
> Hope this helps.
>
>
>
>
>
>
>
>
>
> _Pedro Doria Meunier_
>
>
>
>
> (351) 91 302 49 72 - (351) 96 247 99 12
>
>
>
>
> MSN - pdoriam at hotmail.com <mailto:pdoriam at hotmail.com>
>
>
>
>
> ICQ - 308-182-126
>
>
>
>
> Skype: pdoriam
>
>
>
>
>
>
>
>
>
> --------------------------------------------------------------------------------
>
>
>
>
> *From:* postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] *On Behalf Of
> *Andrew Hughes
>
>
> *Sent:* segunda-feira, 27 de Novembro de 2006 7:22
>
>
> *To:* postgis-users at postgis.refractions.net
>
>
> *Subject:* [postgis-users] Extracting the Linestring Geometry from a
> BBox(noob)
>
>
>
>
>
>
>
>
>
> Hey All,
>
>
>
>
> I'm trying to extract some linestrings from a collection of
> linestrings and conditional on being within a BBox.
>
>
>
>
> I will try and explain this best with some images...
>
>
>
>
> My input looks like:
>
>
>
>
>
>
>
>
> My desired output looks like this:
>
>
>
>
> (note that I DO want the point where it intersects the bbox)
>
>
>
>
>
>
>
>
> Is this at all possible to do? or do I need to start writing my own
> postgis fuctions???
>
>
>
>
>
>
>
>
> Thanks in advance
>
>
>
>
> --AH
>
>
>
>
> --------------------------------------------------------------------------------
>
>
>
>
> _______________________________________________
>
>
> postgis-users mailing list
>
>
> postgis-users at postgis.refractions.net
>
>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
>
>
>
>
> --
>
>
>
> Regards,
>
>
>
>
> *Andrew Hughes*
>
>
> Software Engineer
>
>
> LISAsoft Pty. Ltd. (Adelaide)
>
>
>
>
> --------------------------------------------------------------------------------
>
>
>
>
>
>
> LISAsoft Pty. Ltd.
>
>
>
>
> <http://www.lisasoft.com>
>
>
> *ADELAIDE Office*
>
>
> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=4>
>
>
> 38 Greenhill Road
>
>
> Wayville SA 5034
>
>
> Australia
>
>
> *Telephone +61 8 8272 1555*
>
>
> *Facsimile +61 8 8271 1199* *SYDNEY Office*
>
>
> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=1>
>
>
> Suite 112 The Lower Deck
>
>
> Jones Bay Wharf
>
>
> 19-21 Pirrama Road
>
>
> Pyrmont NSW 2009 AUS
>
>
> *Telephone +61 2 8570 5060*
>
>
> *Facsimile +61 2 8570 5099* *MELBOURNE Office*
>
>
> <http://terrapages.net/mapbutton/RetrieveButtonServlet?buttonID=3>
>
>
> Level 7 520 Collins Street
>
>
> Melbourne VIC 3000
>
>
> Australia
>
>
> *Telephone +61 3 9629 1799*
>
>
> *Facsimile +61 3 9629 4955*
>
>
>
>
> --------------------------------------------------------------------------------
>
>
>
>
>
>
> ------------------------------------------------------------------------
>
>
>
>
> _______________________________________________
>
>
> postgis-users mailing list
>
>
> postgis-users at postgis.refractions.net
>
>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
>
>
> _______________________________________________
>
>
> postgis-users mailing list
>
>
> postgis-users at postgis.refractions.net
>
>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
>
>
>
>
>
>
>
>
> ------------------------------------------------------------------------
>
>
>
>
> _______________________________________________
>
>
> postgis-users mailing list
>
>
> postgis-users at postgis.refractions.net
>
>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
>
>
> _______________________________________________
>
>
> postgis-users mailing list
>
>
> postgis-users at postgis.refractions.net
>
>
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
>
>
>
>
>
>
> --
>
>
>
> Regards,
>
>
>
> Andrew Hughes
>
> Software Engineer
>
> LISAsoft Pty. Ltd. (Adelaide)
>
>
>
>
>
>
>
>
>
>
> LISAsoft Pty. Ltd.
>
>
>
> ADELAIDE Office
>
>
>
> 38 Greenhill Road
>
> Wayville SA 5034
>
> Australia
>
> Telephone +61 8 8272 1555
>
> Facsimile +61 8 8271 1199
>
>
>
> SYDNEY Office
>
>
>
> Suite 112 The Lower Deck
>
> Jones Bay Wharf
>
> 19-21 Pirrama Road
>
> Pyrmont NSW 2009 AUS
>
> Telephone +61 2 8570 5060
>
> Facsimile +61 2 8570 5099
>
>
>
> MELBOURNE Office
>
>
>
> Level 7 520 Collins Street
>
> Melbourne VIC 3000
>
> Australia
>
> Telephone +61 3 9629 1799
>
> Facsimile +61 3 9629 4955
>
>
>
>
>
>
>
>
From alex_chew at 163.com Mon Nov 27 20:39:47 2006
From: alex_chew at 163.com (Alex Chew)
Date: Tue, 28 Nov 2006 12:39:47 +0800
Subject: [postgis-users] How can i get accurate world coordinate
(WGS84)with mouse click?
Message-ID: <456BBDC9.0A383E.17156>
Hi?Markus
?Can you read image followed?
All red points are mouse clicked point in Screen Coordinate and green points are in World Coordinate.
I am still got know idea about why this happened.
X is accurate while Y is error.
Would you please show me the way to a resolution?
Thanks
Alex ?????
???????????????
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From ruckc at yahoo.com Mon Nov 27 21:31:56 2006
From: ruckc at yahoo.com (Curtis W. Ruck)
Date: Mon, 27 Nov 2006 21:31:56 -0800 (PST)
Subject: [postgis-users] How can i get accurate world coordinate
(WGS84)with mouse click?
Message-ID: <20061128053157.83157.qmail@web32215.mail.mud.yahoo.com>
>From what I see your Y (latitude) scaling in your translation from screenpoint to coordinate point application isn't accounting for latitudes further away from the equator.
Inside your application you should have something that calculates the translation for longitude properly (longitude appears fine), so replicate the scaling that you are using for your longitude for your latitude also, don't reuse the scaling variable in your latitude math from your longitude math.
Curtis
----- Original Message ----
From: Alex Chew <alex_chew at 163.com>
To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
Sent: Monday, November 27, 2006 10:39:47 PM
Subject: Re: Re: [postgis-users] How can i get accurate world coordinate (WGS84)with mouse click?
Hi?Markus
?Can you read image
followed?
All red points are mouse clicked
point in Screen Coordinate and green points are in World
Coordinate.
I am still got know idea
about why this happened.
X is accurate while Y is
error.
Would you please show me the way to a
resolution?
Thanks
Alex ?????
???????????????
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
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From pcorti at gmail.com Mon Nov 27 08:46:10 2006
From: pcorti at gmail.com (Paolo Corti)
Date: Mon, 27 Nov 2006 08:46:10 -0800 (PST)
Subject: [postgis-users] zigGIS Usage Experiences
In-Reply-To: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
Message-ID: <7563276.post@talk.nabble.com>
Hello Abe
you made a great job with your ZigGis! The ArcObjects code is amazing!
maybe you can give me a help
I compiled your code for using it with ArcGis 9 (i made some little
modifications at the code to get this) and .NET 2.0
It compiled fine, but when I start ArcMap and I add a PostGIS layer, it adds
the layer on the TOC but nothing is showed/drawed on the map.
Looks like geometries are not read from the shape column.
I am wondering if you are still on this project, and maybe you could give me
some help, or if I am on my own and must deeply investigate/debug myself the
code in order to find what is not going properly
best regards
Paolo Corti
GIS Developer
http://www.paolocorti.net
Abe Gillespie wrote:
>
> Sorry for the cross post, but the zigGIS list only has 9 subscribers
> with a ton more downloads than that.
>
> I'm curious about any experiences people are having using or even
> *trying* to use zigGIS. Is it working? Anyone need any help? Any
> constructive criticism? ... I haven't heard a peep yet.
>
> Thanks.
> -Abe
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
Sent from the PostGIS - User mailing list archive at Nabble.com.
From gopal at getmapping.com Tue Nov 28 04:22:31 2006
From: gopal at getmapping.com (Gopal)
Date: Tue, 28 Nov 2006 12:22:31 -0000
Subject: [postgis-users] RE: [PERFORM] Postgres scalability and performance
on windows
In-Reply-To: <20061124110451.4538d901.frank@wiles.org>
Message-ID: <A5DE6132B8D812419321747E42710E2204C080@EXCHANGE01.gm.local>
Tom,
This is the query and the schema....
Query is :
SELECT subq.percentCover, ds.datasetname, ds.maxresolution
FROM
(
select
sum(area(intersection(snaptogrid(chunkgeometry,0.00000001),
GeometryFromText('POLYGON((-0.140030845589332
50.8208343077265,-0.138958398039148 50.8478005422809,-0.0963639712296823
50.8471133071392,-0.0974609286275892 50.8201477285483,-0.140030845589332
50.8208343077265))',4326))) * 100/ (0.00114901195862628)) as
percentCover,
datasetid as did from
tbl_metadata_chunks
where chunkgeometry &&
GeometryFromText('POLYGON((-0.140030845589332
50.8208343077265,-0.138958398039148 50.8478005422809,-0.0963639712296823
50.8471133071392,-0.0974609286275892 50.8201477285483,-0.140030845589332
50.8208343077265))',4326)
and datasetid in (select datasetid from
tbl_metadata_dataset where typeofdataid=1)
group by did
order by did desc
)
AS subq INNER JOIN tbl_metadata_dataset AS
ds ON subq.did = ds.datasetid
ORDER by ceil(subq.percentCover),1/ds.maxresolution
DESC;
Schema is
Table 1
CREATE TABLE public.tbl_metadata_dataset
(
datasetname varchar(70) NOT NULL,
maxresolution real,
typeofdataid integer NOT NULL,
datasetid serial NOT NULL,
CONSTRAINT "PK_Dataset" PRIMARY KEY (datasetid)
);
-- Indexes
CREATE INDEX dsnameindex ON tbl_metadata_dataset USING btree
(datasetname);-- Owner
ALTER TABLE public.tbl_metadata_dataset OWNER TO postgres;
-- Triggers
CREATE CONSTRAINT TRIGGER "RI_ConstraintTrigger_2196039" AFTER DELETE ON
tbl_metadata_dataset FROM tbl_metadata_chunks NOT DEFERRABLE INITIALLY
IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE "RI_FKey_noaction_del"('dsid',
'tbl_metadata_chunks', 'tbl_metadata_dataset', 'UNSPECIFIED',
'datasetid', 'datasetid');
CREATE CONSTRAINT TRIGGER "RI_ConstraintTrigger_2196040" AFTER UPDATE ON
tbl_metadata_dataset FROM tbl_metadata_chunks NOT DEFERRABLE INITIALLY
IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE "RI_FKey_noaction_upd"('dsid',
'tbl_metadata_chunks', 'tbl_metadata_dataset', 'UNSPECIFIED',
'datasetid', 'datasetid');
Table 2
CREATE TABLE public.tbl_metadata_chunks
(
chunkid serial NOT NULL,
chunkgeometry geometry NOT NULL,
datasetid integer NOT NULL,
CONSTRAINT tbl_metadata_chunks_pkey PRIMARY KEY (chunkid),
CONSTRAINT dsid FOREIGN KEY (datasetid) REFERENCES
tbl_metadata_dataset(datasetid)
);
-- Indexes
CREATE INDEX idx_dsid ON tbl_metadata_chunks USING btree (datasetid);
CREATE UNIQUE INDEX tbl_metadata_chunks_idx2 ON tbl_metadata_chunks
USING btree (nativetlx, nativetly, datasetid);
CREATE INDEX tbl_metadata_chunks_idx3 ON tbl_metadata_chunks USING gist
(chunkgeometry);-- Owner
ALTER TABLE public.tbl_metadata_chunks OWNER TO postgres;
-- Triggers
CREATE CONSTRAINT TRIGGER "RI_ConstraintTrigger_2194515" AFTER DELETE ON
tbl_metadata_chunks FROM tbl_metadata_chunkinfo NOT DEFERRABLE INITIALLY
IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE "RI_FKey_restrict_del"('fk',
'tbl_metadata_chunkinfo', 'tbl_metadata_chunks', 'UNSPECIFIED',
'chunkid', 'chunkid');
CREATE CONSTRAINT TRIGGER "RI_ConstraintTrigger_2194516" AFTER UPDATE ON
tbl_metadata_chunks FROM tbl_metadata_chunkinfo NOT DEFERRABLE INITIALLY
IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE "RI_FKey_restrict_upd"('fk',
'tbl_metadata_chunkinfo', 'tbl_metadata_chunks', 'UNSPECIFIED',
'chunkid', 'chunkid');
CREATE CONSTRAINT TRIGGER "RI_ConstraintTrigger_2196037" AFTER INSERT ON
tbl_metadata_chunks FROM tbl_metadata_dataset NOT DEFERRABLE INITIALLY
IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE "RI_FKey_check_ins"('dsid',
'tbl_metadata_chunks', 'tbl_metadata_dataset', 'UNSPECIFIED',
'datasetid', 'datasetid');
CREATE CONSTRAINT TRIGGER "RI_ConstraintTrigger_2196038" AFTER UPDATE ON
tbl_metadata_chunks FROM tbl_metadata_dataset NOT DEFERRABLE INITIALLY
IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE "RI_FKey_check_upd"('dsid',
'tbl_metadata_chunks', 'tbl_metadata_dataset', 'UNSPECIFIED',
'datasetid', 'datasetid');
-----Original Message-----
From: Frank Wiles [mailto:frank at wiles.org]
Sent: 24 November 2006 17:05
To: Guido Neitzer
Cc: Gopal; pgsql-performance at postgresql.org
Subject: Re: [PERFORM] Postgres scalability and performance on windows
On Fri, 24 Nov 2006 09:22:45 +0100
Guido Neitzer <lists at event-s.net> wrote:
> > effective_cache_size = 82728 # typically 8KB each
> Hmm. I don't know what the real effect of this might be as the doc
> states:
>
> "This parameter has no effect on the size of shared memory allocated
> by PostgreSQL, nor does it reserve kernel disk cache; it is used
> only for estimation purposes."
This is a hint to the optimizer about how much of the database may
be in the OS level cache.
---------------------------------
Frank Wiles <frank at wiles.org>
http://www.wiles.org
---------------------------------
________________________________________________________________________
This e-mail has been scanned for all viruses by Star. The
service is powered by MessageLabs. For more information on a proactive
anti-virus service working around the clock, around the globe, visit:
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From Christian.Strobl at dlr.de Tue Nov 28 05:56:10 2006
From: Christian.Strobl at dlr.de (Christian.Strobl at dlr.de)
Date: Tue, 28 Nov 2006 14:56:10 +0100
Subject: [postgis-users] NOTICE: type "spheroid" is not yet defined
Message-ID: <AC78B6BABBC9A74C95028F87A0EACF791C37E4@exbe04.intra.dlr.de>
hi all,
i have compiled postgis 1.1.6 for ubuntu 6.06. at a first glance all
worked fine but with
psql -d mytestdb -f
/usr/src/postgresql/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql
i got the following messages (see below)
is that anything i have to get worried about.
greetings from munich
christian
BEGIN
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:39:
NOTICE: type "histogram2d" is not yet defined
DETAIL: Creating a shell type definition.
CREATE FUNCTION
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:44:
NOTICE: argument type histogram2d is only a shell CREATE FUNCTION
CREATE TYPE
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:62:
NOTICE: type "spheroid" is not yet defined
DETAIL: Creating a shell type definition.
CREATE FUNCTION
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:67:
NOTICE: argument type spheroid is only a shell CREATE FUNCTION CREATE
TYPE
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:84:
NOTICE: type "geometry" is not yet defined
DETAIL: Creating a shell type definition.
CREATE FUNCTION
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:89:
NOTICE: argument type geometry is only a shell CREATE FUNCTION CREATE
FUNCTION
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:99:
NOTICE: return type geometry is only a shell CREATE FUNCTION
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:104:
NOTICE: argument type geometry is only a shell CREATE FUNCTION CREATE
TYPE CREATE FUNCTION CREATE FUNCTION CREATE FUNCTION CREATE FUNCTION
CREATE FUNCTION CREATE FUNCTION CREATE FUNCTION CREATE FUNCTION CREATE
FUNCTION CREATE FUNCTION CREATE FUNCTION CREATE FUNCTION
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:203:
NOTICE: type "box3d" is not yet defined
DETAIL: Creating a shell type definition.
CREATE FUNCTION
psql:/usr/src/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql:208:
NOTICE: argument type box3d is only a shell CREATE FUNCTION CREATE TYPE
CREATE FUNCTION CREATE FUNCTION .....
From frank.koormann at intevation.de Tue Nov 28 06:24:10 2006
From: frank.koormann at intevation.de (Frank Koormann)
Date: Tue, 28 Nov 2006 15:24:10 +0100
Subject: [postgis-users] NOTICE: type "spheroid" is not yet defined
In-Reply-To: <AC78B6BABBC9A74C95028F87A0EACF791C37E4@exbe04.intra.dlr.de>
References: <AC78B6BABBC9A74C95028F87A0EACF791C37E4@exbe04.intra.dlr.de>
Message-ID: <20061128142410.GA9126@intevation.de>
Hi Christian,
* Christian.Strobl at dlr.de <Christian.Strobl at dlr.de> [061128 14:56]:
> hi all,
>
> i have compiled postgis 1.1.6 for ubuntu 6.06. at a first glance all
> worked fine but with
>
> psql -d mytestdb -f
> /usr/src/postgresql/postgresql-8.1.5/contrib/postgis-1.1.6/lwpostgis.sql
>
> i got the following messages (see below)
>
> is that anything i have to get worried about.
No, these notices are typical. You could issue a "make check" in the
PostGIS build directory to initially test the Build. Note that you must
have rights to create databases on the running postgresql server to do
so.
Best regards,
Frank
--
Frank Koormann <frank.koormann at intevation.de>
Professional Service around Free Software (http://intevation.net/)
FreeGIS Project (http://freegis.org/)
PostGIS Support (http://www.intevation.net/geospatial/postgis-support.en.html)
From schabi at logix-tt.com Tue Nov 28 06:38:48 2006
From: schabi at logix-tt.com (Markus Schaber)
Date: Tue, 28 Nov 2006 15:38:48 +0100
Subject: [postgis-users] NOTICE: type "spheroid" is not yet defined
In-Reply-To: <AC78B6BABBC9A74C95028F87A0EACF791C37E4@exbe04.intra.dlr.de>
References: <AC78B6BABBC9A74C95028F87A0EACF791C37E4@exbe04.intra.dlr.de>
Message-ID: <456C49F8.80704@logix-tt.com>
Hi, Christian,
Christian.Strobl at dlr.de wrote:
> NOTICE: type "histogram2d" is not yet defined
> DETAIL: Creating a shell type definition.
> is that anything i have to get worried about?
Short answer:
No, those messages are expected, and no problem.
Long answer:
First, this messages are "NOTICE"s, their level of importance is way
below WARNING and ERROR.
The reason for this is a hen-and-egg problem:
- For creating a type, you need to specify its input/output functions.
- For creating the input / output functions, you need the type for the
parameter declaration.
To solve this problem, PostgreSQL has the concept of a "shell type",
that means you can use a type name in function declarations before the
type has been specified, allowing you to create the input/output
functions first. (But, of course, you've to fully declare the type
before you can actually use it.) As soon as all input/output functions
exist, you can issue the "CREATE TYPE" declaration to convert the shell
type into a real one.
PostgreSQL 8.2 has an explicit syntax "CREATE TYPE foobar;" to create
such an shell type.
Older releases, however, did not have that special syntax. Instead, they
assume that the input/output functions are written in C. Now, when you
declare a function in C, and use unknown types, PostgreSQL accepts it
and creates the "shell type". But as this can easily lead to introduce
new shell types accidentally by making a typo in the function
definition, PostgreSQL issues this NOTICE.
Btw, language implememtations like pljava which want to allow the user
to implement custom types without resorting to C also suffer from this
problem, as there's no possibility to create a shell type in older
PostgreSQL versions, but abusing a C function, as it is described on:
http://wiki.tada.se/wiki/display/pljava/Creating+a+Scalar+UDT+in+Java
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
From joshua.uyehara at syngenta.com Tue Nov 28 10:14:49 2006
From: joshua.uyehara at syngenta.com (joshua.uyehara at syngenta.com)
Date: Tue, 28 Nov 2006 13:14:49 -0500
Subject: [postgis-users] zigGIS Usage Experiences
Message-ID: <FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Hey Paolo,
Abe isn't working on it anymore, but I have been occasionally plugging
away at it myself. The problem with adding the layer in ArcMap is due
to a minor bug.
ZigGIS pulls the geometry column data from PostGIS in its native binary
format and passes it to ArcMap. Unfortunately, PostGIS' internal binary
format is not identical to the expected wkb format, so ArcMap silently
ignores it and basically treats the table as a feature-less object
class.
One quick workaround is to create a view of the table that converts the
geometry column with asbinary(), and then manually add the necessary
entry to the geometry_columns table.
E.g.,
CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
geom_column, column2, column3, FROM geom_table;
INSERT INTO geometry_columns (f_table_schema, f_table_name,
f_geometry_column, coord_dimension, srid, type) VALUES
('public', 'geom_table_view', 'geom_column', 2, -1,
'MULTIPOLYGON');
Change schema, table, column names, srid, etc. to match your table, then
specify the view as the table to be opened with ZigGIS. It's an ugly
kludge, but I haven't had the time to fix the problem in ZigGIS itself
yet.
Many of the feature class functionality hasn't been implemented yet, so
you can't do much besides display the features. I'm planning to add
features to ZigGIS as I need them for work, but I can't give you any
timelines on it, as I'm swamped with other stuff at the moment.
Hope that helped,
Joshua Uyehara
joshua.uyehara at syngenta.com
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Paolo Corti
Sent: Monday, November 27, 2006 6:46 AM
To: postgis-users at postgis.refractions.net
Subject: Re: [postgis-users] zigGIS Usage Experiences
Hello Abe
you made a great job with your ZigGis! The ArcObjects code is amazing!
maybe you can give me a help
I compiled your code for using it with ArcGis 9 (i made some little
modifications at the code to get this) and .NET 2.0 It compiled fine,
but when I start ArcMap and I add a PostGIS layer, it adds the layer on
the TOC but nothing is showed/drawed on the map.
Looks like geometries are not read from the shape column.
I am wondering if you are still on this project, and maybe you could
give me some help, or if I am on my own and must deeply
investigate/debug myself the code in order to find what is not going
properly
best regards
Paolo Corti
GIS Developer
http://www.paolocorti.net
Abe Gillespie wrote:
>
> Sorry for the cross post, but the zigGIS list only has 9 subscribers
> with a ton more downloads than that.
>
> I'm curious about any experiences people are having using or even
> *trying* to use zigGIS. Is it working? Anyone need any help? Any
> constructive criticism? ... I haven't heard a peep yet.
>
> Thanks.
> -Abe
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context:
http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
Sent from the PostGIS - User mailing list archive at Nabble.com.
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From abe.gillespie at gmail.com Tue Nov 28 10:32:23 2006
From: abe.gillespie at gmail.com (Abe Gillespie)
Date: Tue, 28 Nov 2006 13:32:23 -0500
Subject: [postgis-users] zigGIS Usage Experiences
In-Reply-To: <FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
References: <FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Message-ID: <a6d397e30611281032t34c9ac7ft2cd163dbabd27762@mail.gmail.com>
I'm not sure if there was a breaking change since I last worked on it,
but there was actually a lot of functionality already working;
Features rendering, Identify, and Table View all worked.
I'm pretty sure I had asbinary() in my querying already. Maybe I'm
wrong. Anyhow, this is what should occur. Do a lookup on the PostGIS
registry table and find what column is the vector column for your
table in question. Then, anytime a query goes to the Npgsql driver,
that geometry column should first be wrapped with asbinary().
Good luck.
-Abe
On 11/28/06, joshua.uyehara at syngenta.com <joshua.uyehara at syngenta.com> wrote:
> Hey Paolo,
>
> Abe isn't working on it anymore, but I have been occasionally plugging
> away at it myself. The problem with adding the layer in ArcMap is due
> to a minor bug.
>
> ZigGIS pulls the geometry column data from PostGIS in its native binary
> format and passes it to ArcMap. Unfortunately, PostGIS' internal binary
> format is not identical to the expected wkb format, so ArcMap silently
> ignores it and basically treats the table as a feature-less object
> class.
>
> One quick workaround is to create a view of the table that converts the
> geometry column with asbinary(), and then manually add the necessary
> entry to the geometry_columns table.
>
> E.g.,
>
> CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> geom_column, column2, column3, FROM geom_table;
> INSERT INTO geometry_columns (f_table_schema, f_table_name,
> f_geometry_column, coord_dimension, srid, type) VALUES
> ('public', 'geom_table_view', 'geom_column', 2, -1,
> 'MULTIPOLYGON');
>
> Change schema, table, column names, srid, etc. to match your table, then
> specify the view as the table to be opened with ZigGIS. It's an ugly
> kludge, but I haven't had the time to fix the problem in ZigGIS itself
> yet.
>
> Many of the feature class functionality hasn't been implemented yet, so
> you can't do much besides display the features. I'm planning to add
> features to ZigGIS as I need them for work, but I can't give you any
> timelines on it, as I'm swamped with other stuff at the moment.
>
> Hope that helped,
> Joshua Uyehara
> joshua.uyehara at syngenta.com
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Paolo Corti
> Sent: Monday, November 27, 2006 6:46 AM
> To: postgis-users at postgis.refractions.net
> Subject: Re: [postgis-users] zigGIS Usage Experiences
>
>
> Hello Abe
>
> you made a great job with your ZigGis! The ArcObjects code is amazing!
>
> maybe you can give me a help
> I compiled your code for using it with ArcGis 9 (i made some little
> modifications at the code to get this) and .NET 2.0 It compiled fine,
> but when I start ArcMap and I add a PostGIS layer, it adds the layer on
> the TOC but nothing is showed/drawed on the map.
> Looks like geometries are not read from the shape column.
> I am wondering if you are still on this project, and maybe you could
> give me some help, or if I am on my own and must deeply
> investigate/debug myself the code in order to find what is not going
> properly
>
> best regards
> Paolo Corti
> GIS Developer
> http://www.paolocorti.net
>
>
> Abe Gillespie wrote:
> >
> > Sorry for the cross post, but the zigGIS list only has 9 subscribers
> > with a ton more downloads than that.
> >
> > I'm curious about any experiences people are having using or even
> > *trying* to use zigGIS. Is it working? Anyone need any help? Any
> > constructive criticism? ... I haven't heard a peep yet.
> >
> > Thanks.
> > -Abe
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From pcorti at gmail.com Tue Nov 28 10:46:19 2006
From: pcorti at gmail.com (Paolo Corti)
Date: Tue, 28 Nov 2006 10:46:19 -0800 (PST)
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Message-ID: <7585042.post@talk.nabble.com>
Hello Joshua
and thanks for the workaround, I will test it as ASAP
It is very possibly that we could join to make some modification at ZigGis,
as far as I would like in my spare time to write a connector for PostGis for
ArcMap.
First I was looking at PgArc (I also migrated that at ArcObjects 9), but I
think the best approach is like ZigGis does, without a proxy shapefile, but
directly reading the data.
I have one more question, before going on.
In this mailing list it was claimed, I think just from Abe, that ZigGis can
read and also WRITE PostGis data. Is this correct? Because from what you are
writing seems that ZigGis can just read and not write, and maybe I could be
not interested in continuing using ZigGis.
In fact I have decided to write in my spare time a full Read/Write PostGis
connector for ArcMap. But before doing that I would like to deeply
investigate if ZigGis already does the job.
Best regards
Paolo Corti
http://www.paolocorti.net
joshua.uyehara wrote:
>
> Hey Paolo,
>
> Abe isn't working on it anymore, but I have been occasionally plugging
> away at it myself. The problem with adding the layer in ArcMap is due
> to a minor bug.
>
> ZigGIS pulls the geometry column data from PostGIS in its native binary
> format and passes it to ArcMap. Unfortunately, PostGIS' internal binary
> format is not identical to the expected wkb format, so ArcMap silently
> ignores it and basically treats the table as a feature-less object
> class.
>
> One quick workaround is to create a view of the table that converts the
> geometry column with asbinary(), and then manually add the necessary
> entry to the geometry_columns table.
>
> E.g.,
>
> CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> geom_column, column2, column3, FROM geom_table;
> INSERT INTO geometry_columns (f_table_schema, f_table_name,
> f_geometry_column, coord_dimension, srid, type) VALUES
> ('public', 'geom_table_view', 'geom_column', 2, -1,
> 'MULTIPOLYGON');
>
> Change schema, table, column names, srid, etc. to match your table, then
> specify the view as the table to be opened with ZigGIS. It's an ugly
> kludge, but I haven't had the time to fix the problem in ZigGIS itself
> yet.
>
> Many of the feature class functionality hasn't been implemented yet, so
> you can't do much besides display the features. I'm planning to add
> features to ZigGIS as I need them for work, but I can't give you any
> timelines on it, as I'm swamped with other stuff at the moment.
>
> Hope that helped,
> Joshua Uyehara
> joshua.uyehara at syngenta.com
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Paolo Corti
> Sent: Monday, November 27, 2006 6:46 AM
> To: postgis-users at postgis.refractions.net
> Subject: Re: [postgis-users] zigGIS Usage Experiences
>
>
> Hello Abe
>
> you made a great job with your ZigGis! The ArcObjects code is amazing!
>
> maybe you can give me a help
> I compiled your code for using it with ArcGis 9 (i made some little
> modifications at the code to get this) and .NET 2.0 It compiled fine,
> but when I start ArcMap and I add a PostGIS layer, it adds the layer on
> the TOC but nothing is showed/drawed on the map.
> Looks like geometries are not read from the shape column.
> I am wondering if you are still on this project, and maybe you could
> give me some help, or if I am on my own and must deeply
> investigate/debug myself the code in order to find what is not going
> properly
>
> best regards
> Paolo Corti
> GIS Developer
> http://www.paolocorti.net
>
>
> Abe Gillespie wrote:
>>
>> Sorry for the cross post, but the zigGIS list only has 9 subscribers
>> with a ton more downloads than that.
>>
>> I'm curious about any experiences people are having using or even
>> *trying* to use zigGIS. Is it working? Anyone need any help? Any
>> constructive criticism? ... I haven't heard a peep yet.
>>
>> Thanks.
>> -Abe
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>>
>
> --
> View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
Sent from the PostGIS - User mailing list archive at Nabble.com.
From abe.gillespie at gmail.com Tue Nov 28 10:55:15 2006
From: abe.gillespie at gmail.com (Abe Gillespie)
Date: Tue, 28 Nov 2006 13:55:15 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <7585042.post@talk.nabble.com>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<7585042.post@talk.nabble.com>
Message-ID: <a6d397e30611281055u3956c9f4tb16ce93a50093098@mail.gmail.com>
Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
these efforts.
-Abe
On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
>
> Hello Joshua
> and thanks for the workaround, I will test it as ASAP
> It is very possibly that we could join to make some modification at ZigGis,
> as far as I would like in my spare time to write a connector for PostGis for
> ArcMap.
> First I was looking at PgArc (I also migrated that at ArcObjects 9), but I
> think the best approach is like ZigGis does, without a proxy shapefile, but
> directly reading the data.
> I have one more question, before going on.
> In this mailing list it was claimed, I think just from Abe, that ZigGis can
> read and also WRITE PostGis data. Is this correct? Because from what you are
> writing seems that ZigGis can just read and not write, and maybe I could be
> not interested in continuing using ZigGis.
> In fact I have decided to write in my spare time a full Read/Write PostGis
> connector for ArcMap. But before doing that I would like to deeply
> investigate if ZigGis already does the job.
>
> Best regards
> Paolo Corti
> http://www.paolocorti.net
>
>
> joshua.uyehara wrote:
> >
> > Hey Paolo,
> >
> > Abe isn't working on it anymore, but I have been occasionally plugging
> > away at it myself. The problem with adding the layer in ArcMap is due
> > to a minor bug.
> >
> > ZigGIS pulls the geometry column data from PostGIS in its native binary
> > format and passes it to ArcMap. Unfortunately, PostGIS' internal binary
> > format is not identical to the expected wkb format, so ArcMap silently
> > ignores it and basically treats the table as a feature-less object
> > class.
> >
> > One quick workaround is to create a view of the table that converts the
> > geometry column with asbinary(), and then manually add the necessary
> > entry to the geometry_columns table.
> >
> > E.g.,
> >
> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> > geom_column, column2, column3, FROM geom_table;
> > INSERT INTO geometry_columns (f_table_schema, f_table_name,
> > f_geometry_column, coord_dimension, srid, type) VALUES
> > ('public', 'geom_table_view', 'geom_column', 2, -1,
> > 'MULTIPOLYGON');
> >
> > Change schema, table, column names, srid, etc. to match your table, then
> > specify the view as the table to be opened with ZigGIS. It's an ugly
> > kludge, but I haven't had the time to fix the problem in ZigGIS itself
> > yet.
> >
> > Many of the feature class functionality hasn't been implemented yet, so
> > you can't do much besides display the features. I'm planning to add
> > features to ZigGIS as I need them for work, but I can't give you any
> > timelines on it, as I'm swamped with other stuff at the moment.
> >
> > Hope that helped,
> > Joshua Uyehara
> > joshua.uyehara at syngenta.com
> >
> > -----Original Message-----
> > From: postgis-users-bounces at postgis.refractions.net
> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> > Paolo Corti
> > Sent: Monday, November 27, 2006 6:46 AM
> > To: postgis-users at postgis.refractions.net
> > Subject: Re: [postgis-users] zigGIS Usage Experiences
> >
> >
> > Hello Abe
> >
> > you made a great job with your ZigGis! The ArcObjects code is amazing!
> >
> > maybe you can give me a help
> > I compiled your code for using it with ArcGis 9 (i made some little
> > modifications at the code to get this) and .NET 2.0 It compiled fine,
> > but when I start ArcMap and I add a PostGIS layer, it adds the layer on
> > the TOC but nothing is showed/drawed on the map.
> > Looks like geometries are not read from the shape column.
> > I am wondering if you are still on this project, and maybe you could
> > give me some help, or if I am on my own and must deeply
> > investigate/debug myself the code in order to find what is not going
> > properly
> >
> > best regards
> > Paolo Corti
> > GIS Developer
> > http://www.paolocorti.net
> >
> >
> > Abe Gillespie wrote:
> >>
> >> Sorry for the cross post, but the zigGIS list only has 9 subscribers
> >> with a ton more downloads than that.
> >>
> >> I'm curious about any experiences people are having using or even
> >> *trying* to use zigGIS. Is it working? Anyone need any help? Any
> >> constructive criticism? ... I haven't heard a peep yet.
> >>
> >> Thanks.
> >> -Abe
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> >>
> >
> > --
> > View this message in context:
> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
> > Sent from the PostGIS - User mailing list archive at Nabble.com.
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
>
> --
> View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From pcorti at gmail.com Tue Nov 28 11:01:34 2006
From: pcorti at gmail.com (Paolo Corti)
Date: Tue, 28 Nov 2006 11:01:34 -0800 (PST)
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <a6d397e30611281055u3956c9f4tb16ce93a50093098@mail.gmail.com>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<7585042.post@talk.nabble.com>
<a6d397e30611281055u3956c9f4tb16ce93a50093098@mail.gmail.com>
Message-ID: <7585331.post@talk.nabble.com>
Yes Abe
I have seen your 3ed at support.esri.com
no one seemed to help you
I am sorry
Have you checked out these 3 alternatives at ArcObjects help (under
extending arcobjects)?
1) Custom Layers
2) Plug in data sources
3) OGIS compliant OLE DB providers
Plug in is not applicable (it is read only), but the other 2 are viable
Custom Layers also from .NET
I was investigating if also OGIS OLE DB could be developed in .NET (in the
Help is written only VC++ realistic for implementation, but maybe this
comment is obsolete now)
in any case,
congratulations for your great job, even if ZigGis do not write ;-)
Paolo
Abe Gillespie wrote:
>
> Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
> these efforts.
>
> -Abe
>
> On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
>>
>> Hello Joshua
>> and thanks for the workaround, I will test it as ASAP
>> It is very possibly that we could join to make some modification at
>> ZigGis,
>> as far as I would like in my spare time to write a connector for PostGis
>> for
>> ArcMap.
>> First I was looking at PgArc (I also migrated that at ArcObjects 9), but
>> I
>> think the best approach is like ZigGis does, without a proxy shapefile,
>> but
>> directly reading the data.
>> I have one more question, before going on.
>> In this mailing list it was claimed, I think just from Abe, that ZigGis
>> can
>> read and also WRITE PostGis data. Is this correct? Because from what you
>> are
>> writing seems that ZigGis can just read and not write, and maybe I could
>> be
>> not interested in continuing using ZigGis.
>> In fact I have decided to write in my spare time a full Read/Write
>> PostGis
>> connector for ArcMap. But before doing that I would like to deeply
>> investigate if ZigGis already does the job.
>>
>> Best regards
>> Paolo Corti
>> http://www.paolocorti.net
>>
>>
>> joshua.uyehara wrote:
>> >
>> > Hey Paolo,
>> >
>> > Abe isn't working on it anymore, but I have been occasionally plugging
>> > away at it myself. The problem with adding the layer in ArcMap is due
>> > to a minor bug.
>> >
>> > ZigGIS pulls the geometry column data from PostGIS in its native binary
>> > format and passes it to ArcMap. Unfortunately, PostGIS' internal
>> binary
>> > format is not identical to the expected wkb format, so ArcMap silently
>> > ignores it and basically treats the table as a feature-less object
>> > class.
>> >
>> > One quick workaround is to create a view of the table that converts the
>> > geometry column with asbinary(), and then manually add the necessary
>> > entry to the geometry_columns table.
>> >
>> > E.g.,
>> >
>> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
>> > geom_column, column2, column3, FROM geom_table;
>> > INSERT INTO geometry_columns (f_table_schema, f_table_name,
>> > f_geometry_column, coord_dimension, srid, type) VALUES
>> > ('public', 'geom_table_view', 'geom_column', 2, -1,
>> > 'MULTIPOLYGON');
>> >
>> > Change schema, table, column names, srid, etc. to match your table,
>> then
>> > specify the view as the table to be opened with ZigGIS. It's an ugly
>> > kludge, but I haven't had the time to fix the problem in ZigGIS itself
>> > yet.
>> >
>> > Many of the feature class functionality hasn't been implemented yet, so
>> > you can't do much besides display the features. I'm planning to add
>> > features to ZigGIS as I need them for work, but I can't give you any
>> > timelines on it, as I'm swamped with other stuff at the moment.
>> >
>> > Hope that helped,
>> > Joshua Uyehara
>> > joshua.uyehara at syngenta.com
>> >
>> > -----Original Message-----
>> > From: postgis-users-bounces at postgis.refractions.net
>> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> > Paolo Corti
>> > Sent: Monday, November 27, 2006 6:46 AM
>> > To: postgis-users at postgis.refractions.net
>> > Subject: Re: [postgis-users] zigGIS Usage Experiences
>> >
>> >
>> > Hello Abe
>> >
>> > you made a great job with your ZigGis! The ArcObjects code is amazing!
>> >
>> > maybe you can give me a help
>> > I compiled your code for using it with ArcGis 9 (i made some little
>> > modifications at the code to get this) and .NET 2.0 It compiled fine,
>> > but when I start ArcMap and I add a PostGIS layer, it adds the layer on
>> > the TOC but nothing is showed/drawed on the map.
>> > Looks like geometries are not read from the shape column.
>> > I am wondering if you are still on this project, and maybe you could
>> > give me some help, or if I am on my own and must deeply
>> > investigate/debug myself the code in order to find what is not going
>> > properly
>> >
>> > best regards
>> > Paolo Corti
>> > GIS Developer
>> > http://www.paolocorti.net
>> >
>> >
>> > Abe Gillespie wrote:
>> >>
>> >> Sorry for the cross post, but the zigGIS list only has 9 subscribers
>> >> with a ton more downloads than that.
>> >>
>> >> I'm curious about any experiences people are having using or even
>> >> *trying* to use zigGIS. Is it working? Anyone need any help? Any
>> >> constructive criticism? ... I haven't heard a peep yet.
>> >>
>> >> Thanks.
>> >> -Abe
>> >> _______________________________________________
>> >> postgis-users mailing list
>> >> postgis-users at postgis.refractions.net
>> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >>
>> >>
>> >
>> > --
>> > View this message in context:
>> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
>> > Sent from the PostGIS - User mailing list archive at Nabble.com.
>> >
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
>> Sent from the PostGIS - User mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
Sent from the PostGIS - User mailing list archive at Nabble.com.
From rindahl at lrcwe.com Tue Nov 28 11:34:12 2006
From: rindahl at lrcwe.com (Bruce Rindahl)
Date: Tue, 28 Nov 2006 12:34:12 -0700
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <7585331.post@talk.nabble.com>
Message-ID: <003101c71324$2f0b2b40$1e00a8c0@Bruce>
General discussion :)
I am using pgArc for my PostGIS/ArcMap connection. It does both read/write
with some bugs. I hope to post the changes to 9.x soon on the pgArc site.
There is also another effort at:
http://datashare.gis.unbc.ca/transhape/
that uses a different approach.
I looked at zigGIS and passed only because I don't program in C#.
Finally, Would there be any interest in a ArcToolbox version of
PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I could
get a proof of concept going pretty soon. Advantages would be Python as a
scripting language, the GUI is drag and drop and the tools could be modular
(One for read, one for append, one for update, etc). No compiling would be
necessary and the scripts could be used in Model Builder. Comments??
Bruce Rindahl
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Paolo
Corti
Sent: Tuesday, November 28, 2006 12:02 PM
To: postgis-users at postgis.refractions.net
Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
Yes Abe
I have seen your 3ed at support.esri.com
no one seemed to help you
I am sorry
Have you checked out these 3 alternatives at ArcObjects help (under
extending arcobjects)?
1) Custom Layers
2) Plug in data sources
3) OGIS compliant OLE DB providers
Plug in is not applicable (it is read only), but the other 2 are viable
Custom Layers also from .NET
I was investigating if also OGIS OLE DB could be developed in .NET (in the
Help is written only VC++ realistic for implementation, but maybe this
comment is obsolete now)
in any case,
congratulations for your great job, even if ZigGis do not write ;-)
Paolo
Abe Gillespie wrote:
>
> Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
> these efforts.
>
> -Abe
>
> On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
>>
>> Hello Joshua
>> and thanks for the workaround, I will test it as ASAP
>> It is very possibly that we could join to make some modification at
>> ZigGis,
>> as far as I would like in my spare time to write a connector for PostGis
>> for
>> ArcMap.
>> First I was looking at PgArc (I also migrated that at ArcObjects 9), but
>> I
>> think the best approach is like ZigGis does, without a proxy shapefile,
>> but
>> directly reading the data.
>> I have one more question, before going on.
>> In this mailing list it was claimed, I think just from Abe, that ZigGis
>> can
>> read and also WRITE PostGis data. Is this correct? Because from what you
>> are
>> writing seems that ZigGis can just read and not write, and maybe I could
>> be
>> not interested in continuing using ZigGis.
>> In fact I have decided to write in my spare time a full Read/Write
>> PostGis
>> connector for ArcMap. But before doing that I would like to deeply
>> investigate if ZigGis already does the job.
>>
>> Best regards
>> Paolo Corti
>> http://www.paolocorti.net
>>
>>
>> joshua.uyehara wrote:
>> >
>> > Hey Paolo,
>> >
>> > Abe isn't working on it anymore, but I have been occasionally plugging
>> > away at it myself. The problem with adding the layer in ArcMap is due
>> > to a minor bug.
>> >
>> > ZigGIS pulls the geometry column data from PostGIS in its native binary
>> > format and passes it to ArcMap. Unfortunately, PostGIS' internal
>> binary
>> > format is not identical to the expected wkb format, so ArcMap silently
>> > ignores it and basically treats the table as a feature-less object
>> > class.
>> >
>> > One quick workaround is to create a view of the table that converts the
>> > geometry column with asbinary(), and then manually add the necessary
>> > entry to the geometry_columns table.
>> >
>> > E.g.,
>> >
>> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
>> > geom_column, column2, column3, FROM geom_table;
>> > INSERT INTO geometry_columns (f_table_schema, f_table_name,
>> > f_geometry_column, coord_dimension, srid, type) VALUES
>> > ('public', 'geom_table_view', 'geom_column', 2, -1,
>> > 'MULTIPOLYGON');
>> >
>> > Change schema, table, column names, srid, etc. to match your table,
>> then
>> > specify the view as the table to be opened with ZigGIS. It's an ugly
>> > kludge, but I haven't had the time to fix the problem in ZigGIS itself
>> > yet.
>> >
>> > Many of the feature class functionality hasn't been implemented yet, so
>> > you can't do much besides display the features. I'm planning to add
>> > features to ZigGIS as I need them for work, but I can't give you any
>> > timelines on it, as I'm swamped with other stuff at the moment.
>> >
>> > Hope that helped,
>> > Joshua Uyehara
>> > joshua.uyehara at syngenta.com
>> >
>> > -----Original Message-----
>> > From: postgis-users-bounces at postgis.refractions.net
>> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> > Paolo Corti
>> > Sent: Monday, November 27, 2006 6:46 AM
>> > To: postgis-users at postgis.refractions.net
>> > Subject: Re: [postgis-users] zigGIS Usage Experiences
>> >
>> >
>> > Hello Abe
>> >
>> > you made a great job with your ZigGis! The ArcObjects code is amazing!
>> >
>> > maybe you can give me a help
>> > I compiled your code for using it with ArcGis 9 (i made some little
>> > modifications at the code to get this) and .NET 2.0 It compiled fine,
>> > but when I start ArcMap and I add a PostGIS layer, it adds the layer on
>> > the TOC but nothing is showed/drawed on the map.
>> > Looks like geometries are not read from the shape column.
>> > I am wondering if you are still on this project, and maybe you could
>> > give me some help, or if I am on my own and must deeply
>> > investigate/debug myself the code in order to find what is not going
>> > properly
>> >
>> > best regards
>> > Paolo Corti
>> > GIS Developer
>> > http://www.paolocorti.net
>> >
>> >
>> > Abe Gillespie wrote:
>> >>
>> >> Sorry for the cross post, but the zigGIS list only has 9 subscribers
>> >> with a ton more downloads than that.
>> >>
>> >> I'm curious about any experiences people are having using or even
>> >> *trying* to use zigGIS. Is it working? Anyone need any help? Any
>> >> constructive criticism? ... I haven't heard a peep yet.
>> >>
>> >> Thanks.
>> >> -Abe
>> >> _______________________________________________
>> >> postgis-users mailing list
>> >> postgis-users at postgis.refractions.net
>> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >>
>> >>
>> >
>> > --
>> > View this message in context:
>> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
>> > Sent from the PostGIS - User mailing list archive at Nabble.com.
>> >
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
>> Sent from the PostGIS - User mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context:
http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
Sent from the PostGIS - User mailing list archive at Nabble.com.
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From joshua.uyehara at syngenta.com Tue Nov 28 12:40:55 2006
From: joshua.uyehara at syngenta.com (joshua.uyehara at syngenta.com)
Date: Tue, 28 Nov 2006 15:40:55 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
Message-ID: <FC865F8C89A81F4CB8AC6ED7A033D78D37605D@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Of all of the approaches so far, ZigGIS is the conceptually the
'cleanest', as it is going the route of a full feature class adapter
implementation (the custom layer approach), but it also requires the
greatest amount of work, as you have to eventually implement the
functionality exposed by about a dozen interfaces.
pgArc is great for single users, but you run into problems when you need
concurrent access, or relationships with other tables in your database.
The same problems would plague the toolbox approach (which I assume
would basically be a front-end to shp2pgsql and pgsql2shp).
That's not to say that the pgArc or toolbox approaches aren't worth
pursuing. They can probably meet some specific needs much faster than
ZigGIS will be able to.
Joshua Uyehara
joshua.uyehara at syngenta.com
Office: +1 808 337 1408 ext 34
Cell: +1 808 346 5185
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Bruce Rindahl
Sent: Tuesday, November 28, 2006 9:34 AM
To: 'PostGIS Users Discussion'
Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
General discussion :)
I am using pgArc for my PostGIS/ArcMap connection. It does both
read/write with some bugs. I hope to post the changes to 9.x soon on
the pgArc site.
There is also another effort at:
http://datashare.gis.unbc.ca/transhape/
that uses a different approach.
I looked at zigGIS and passed only because I don't program in C#.
Finally, Would there be any interest in a ArcToolbox version of
PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I
could get a proof of concept going pretty soon. Advantages would be
Python as a scripting language, the GUI is drag and drop and the tools
could be modular (One for read, one for append, one for update, etc).
No compiling would be necessary and the scripts could be used in Model
Builder. Comments??
Bruce Rindahl
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Paolo Corti
Sent: Tuesday, November 28, 2006 12:02 PM
To: postgis-users at postgis.refractions.net
Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
Yes Abe
I have seen your 3ed at support.esri.com no one seemed to help you I am
sorry
Have you checked out these 3 alternatives at ArcObjects help (under
extending arcobjects)?
1) Custom Layers
2) Plug in data sources
3) OGIS compliant OLE DB providers
Plug in is not applicable (it is read only), but the other 2 are viable
Custom Layers also from .NET I was investigating if also OGIS OLE DB
could be developed in .NET (in the Help is written only VC++ realistic
for implementation, but maybe this comment is obsolete now)
in any case,
congratulations for your great job, even if ZigGis do not write ;-)
Paolo
Abe Gillespie wrote:
>
> Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
> these efforts.
>
> -Abe
>
> On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
>>
>> Hello Joshua
>> and thanks for the workaround, I will test it as ASAP It is very
>> possibly that we could join to make some modification at ZigGis, as
>> far as I would like in my spare time to write a connector for PostGis
>> for ArcMap.
>> First I was looking at PgArc (I also migrated that at ArcObjects 9),
>> but I think the best approach is like ZigGis does, without a proxy
>> shapefile, but directly reading the data.
>> I have one more question, before going on.
>> In this mailing list it was claimed, I think just from Abe, that
>> ZigGis can read and also WRITE PostGis data. Is this correct? Because
>> from what you are writing seems that ZigGis can just read and not
>> write, and maybe I could be not interested in continuing using
>> ZigGis.
>> In fact I have decided to write in my spare time a full Read/Write
>> PostGis connector for ArcMap. But before doing that I would like to
>> deeply investigate if ZigGis already does the job.
>>
>> Best regards
>> Paolo Corti
>> http://www.paolocorti.net
>>
>>
>> joshua.uyehara wrote:
>> >
>> > Hey Paolo,
>> >
>> > Abe isn't working on it anymore, but I have been occasionally
>> > plugging away at it myself. The problem with adding the layer in
>> > ArcMap is due to a minor bug.
>> >
>> > ZigGIS pulls the geometry column data from PostGIS in its native
>> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
>> > internal
>> binary
>> > format is not identical to the expected wkb format, so ArcMap
>> > silently ignores it and basically treats the table as a
>> > feature-less object class.
>> >
>> > One quick workaround is to create a view of the table that converts
>> > the geometry column with asbinary(), and then manually add the
>> > necessary entry to the geometry_columns table.
>> >
>> > E.g.,
>> >
>> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
>> > geom_column, column2, column3, FROM geom_table; INSERT INTO
>> > geometry_columns (f_table_schema, f_table_name, f_geometry_column,
>> > coord_dimension, srid, type) VALUES
>> > ('public', 'geom_table_view', 'geom_column', 2, -1,
>> > 'MULTIPOLYGON');
>> >
>> > Change schema, table, column names, srid, etc. to match your table,
>> then
>> > specify the view as the table to be opened with ZigGIS. It's an
>> > ugly kludge, but I haven't had the time to fix the problem in
>> > ZigGIS itself yet.
>> >
>> > Many of the feature class functionality hasn't been implemented
>> > yet, so you can't do much besides display the features. I'm
>> > planning to add features to ZigGIS as I need them for work, but I
>> > can't give you any timelines on it, as I'm swamped with other stuff
at the moment.
>> >
>> > Hope that helped,
>> > Joshua Uyehara
>> > joshua.uyehara at syngenta.com
>> >
>> > -----Original Message-----
>> > From: postgis-users-bounces at postgis.refractions.net
>> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> > Paolo Corti
>> > Sent: Monday, November 27, 2006 6:46 AM
>> > To: postgis-users at postgis.refractions.net
>> > Subject: Re: [postgis-users] zigGIS Usage Experiences
>> >
>> >
>> > Hello Abe
>> >
>> > you made a great job with your ZigGis! The ArcObjects code is
amazing!
>> >
>> > maybe you can give me a help
>> > I compiled your code for using it with ArcGis 9 (i made some little
>> > modifications at the code to get this) and .NET 2.0 It compiled
>> > fine, but when I start ArcMap and I add a PostGIS layer, it adds
>> > the layer on the TOC but nothing is showed/drawed on the map.
>> > Looks like geometries are not read from the shape column.
>> > I am wondering if you are still on this project, and maybe you
>> > could give me some help, or if I am on my own and must deeply
>> > investigate/debug myself the code in order to find what is not
>> > going properly
>> >
>> > best regards
>> > Paolo Corti
>> > GIS Developer
>> > http://www.paolocorti.net
>> >
>> >
>> > Abe Gillespie wrote:
>> >>
>> >> Sorry for the cross post, but the zigGIS list only has 9
>> >> subscribers with a ton more downloads than that.
>> >>
>> >> I'm curious about any experiences people are having using or even
>> >> *trying* to use zigGIS. Is it working? Anyone need any help?
>> >> Any constructive criticism? ... I haven't heard a peep yet.
>> >>
>> >> Thanks.
>> >> -Abe
>> >> _______________________________________________
>> >> postgis-users mailing list
>> >> postgis-users at postgis.refractions.net
>> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >>
>> >>
>> >
>> > --
>> > View this message in context:
>> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
>> > 76 Sent from the PostGIS - User mailing list archive at Nabble.com.
>> >
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
>> Sent from the PostGIS - User mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context:
http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
Sent from the PostGIS - User mailing list archive at Nabble.com.
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
_______________________________________________
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http://postgis.refractions.net/mailman/listinfo/postgis-users
From abe.gillespie at gmail.com Tue Nov 28 12:45:53 2006
From: abe.gillespie at gmail.com (Abe Gillespie)
Date: Tue, 28 Nov 2006 15:45:53 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <FC865F8C89A81F4CB8AC6ED7A033D78D37605D@usarmsxmb02.NAFTA.SYNGENTA.ORG>
References: <FC865F8C89A81F4CB8AC6ED7A033D78D37605D@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Message-ID: <a6d397e30611281245y748b7badyde5fee4b08acdbea@mail.gmail.com>
I agree. And I even initially went down the route of a custom layer.
I think it fell short right about when I started exploring editing
capabilities ... IIRC it's not possible with a custom layer. I also
explored the OLEDB data source and that had its restrictions somewhere
too.
-Abe
On 11/28/06, joshua.uyehara at syngenta.com <joshua.uyehara at syngenta.com> wrote:
> Of all of the approaches so far, ZigGIS is the conceptually the
> 'cleanest', as it is going the route of a full feature class adapter
> implementation (the custom layer approach), but it also requires the
> greatest amount of work, as you have to eventually implement the
> functionality exposed by about a dozen interfaces.
>
> pgArc is great for single users, but you run into problems when you need
> concurrent access, or relationships with other tables in your database.
> The same problems would plague the toolbox approach (which I assume
> would basically be a front-end to shp2pgsql and pgsql2shp).
>
> That's not to say that the pgArc or toolbox approaches aren't worth
> pursuing. They can probably meet some specific needs much faster than
> ZigGIS will be able to.
>
> Joshua Uyehara
> joshua.uyehara at syngenta.com
> Office: +1 808 337 1408 ext 34
> Cell: +1 808 346 5185
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Bruce Rindahl
> Sent: Tuesday, November 28, 2006 9:34 AM
> To: 'PostGIS Users Discussion'
> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
>
> General discussion :)
>
> I am using pgArc for my PostGIS/ArcMap connection. It does both
> read/write with some bugs. I hope to post the changes to 9.x soon on
> the pgArc site.
>
> There is also another effort at:
> http://datashare.gis.unbc.ca/transhape/
> that uses a different approach.
>
> I looked at zigGIS and passed only because I don't program in C#.
>
> Finally, Would there be any interest in a ArcToolbox version of
> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I
> could get a proof of concept going pretty soon. Advantages would be
> Python as a scripting language, the GUI is drag and drop and the tools
> could be modular (One for read, one for append, one for update, etc).
> No compiling would be necessary and the scripts could be used in Model
> Builder. Comments??
>
> Bruce Rindahl
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Paolo Corti
> Sent: Tuesday, November 28, 2006 12:02 PM
> To: postgis-users at postgis.refractions.net
> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
>
>
> Yes Abe
> I have seen your 3ed at support.esri.com no one seemed to help you I am
> sorry
>
> Have you checked out these 3 alternatives at ArcObjects help (under
> extending arcobjects)?
> 1) Custom Layers
> 2) Plug in data sources
> 3) OGIS compliant OLE DB providers
>
> Plug in is not applicable (it is read only), but the other 2 are viable
> Custom Layers also from .NET I was investigating if also OGIS OLE DB
> could be developed in .NET (in the Help is written only VC++ realistic
> for implementation, but maybe this comment is obsolete now)
>
> in any case,
> congratulations for your great job, even if ZigGis do not write ;-)
>
> Paolo
>
>
>
> Abe Gillespie wrote:
> >
> > Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
>
> > these efforts.
> >
> > -Abe
> >
> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
> >>
> >> Hello Joshua
> >> and thanks for the workaround, I will test it as ASAP It is very
> >> possibly that we could join to make some modification at ZigGis, as
> >> far as I would like in my spare time to write a connector for PostGis
>
> >> for ArcMap.
> >> First I was looking at PgArc (I also migrated that at ArcObjects 9),
> >> but I think the best approach is like ZigGis does, without a proxy
> >> shapefile, but directly reading the data.
> >> I have one more question, before going on.
> >> In this mailing list it was claimed, I think just from Abe, that
> >> ZigGis can read and also WRITE PostGis data. Is this correct? Because
>
> >> from what you are writing seems that ZigGis can just read and not
> >> write, and maybe I could be not interested in continuing using
> >> ZigGis.
> >> In fact I have decided to write in my spare time a full Read/Write
> >> PostGis connector for ArcMap. But before doing that I would like to
> >> deeply investigate if ZigGis already does the job.
> >>
> >> Best regards
> >> Paolo Corti
> >> http://www.paolocorti.net
> >>
> >>
> >> joshua.uyehara wrote:
> >> >
> >> > Hey Paolo,
> >> >
> >> > Abe isn't working on it anymore, but I have been occasionally
> >> > plugging away at it myself. The problem with adding the layer in
> >> > ArcMap is due to a minor bug.
> >> >
> >> > ZigGIS pulls the geometry column data from PostGIS in its native
> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
> >> > internal
> >> binary
> >> > format is not identical to the expected wkb format, so ArcMap
> >> > silently ignores it and basically treats the table as a
> >> > feature-less object class.
> >> >
> >> > One quick workaround is to create a view of the table that converts
>
> >> > the geometry column with asbinary(), and then manually add the
> >> > necessary entry to the geometry_columns table.
> >> >
> >> > E.g.,
> >> >
> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
> >> > geometry_columns (f_table_schema, f_table_name, f_geometry_column,
> >> > coord_dimension, srid, type) VALUES
> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
> >> > 'MULTIPOLYGON');
> >> >
> >> > Change schema, table, column names, srid, etc. to match your table,
> >> then
> >> > specify the view as the table to be opened with ZigGIS. It's an
> >> > ugly kludge, but I haven't had the time to fix the problem in
> >> > ZigGIS itself yet.
> >> >
> >> > Many of the feature class functionality hasn't been implemented
> >> > yet, so you can't do much besides display the features. I'm
> >> > planning to add features to ZigGIS as I need them for work, but I
> >> > can't give you any timelines on it, as I'm swamped with other stuff
> at the moment.
> >> >
> >> > Hope that helped,
> >> > Joshua Uyehara
> >> > joshua.uyehara at syngenta.com
> >> >
> >> > -----Original Message-----
> >> > From: postgis-users-bounces at postgis.refractions.net
> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>
> >> > Paolo Corti
> >> > Sent: Monday, November 27, 2006 6:46 AM
> >> > To: postgis-users at postgis.refractions.net
> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
> >> >
> >> >
> >> > Hello Abe
> >> >
> >> > you made a great job with your ZigGis! The ArcObjects code is
> amazing!
> >> >
> >> > maybe you can give me a help
> >> > I compiled your code for using it with ArcGis 9 (i made some little
>
> >> > modifications at the code to get this) and .NET 2.0 It compiled
> >> > fine, but when I start ArcMap and I add a PostGIS layer, it adds
> >> > the layer on the TOC but nothing is showed/drawed on the map.
> >> > Looks like geometries are not read from the shape column.
> >> > I am wondering if you are still on this project, and maybe you
> >> > could give me some help, or if I am on my own and must deeply
> >> > investigate/debug myself the code in order to find what is not
> >> > going properly
> >> >
> >> > best regards
> >> > Paolo Corti
> >> > GIS Developer
> >> > http://www.paolocorti.net
> >> >
> >> >
> >> > Abe Gillespie wrote:
> >> >>
> >> >> Sorry for the cross post, but the zigGIS list only has 9
> >> >> subscribers with a ton more downloads than that.
> >> >>
> >> >> I'm curious about any experiences people are having using or even
> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
> >> >> Any constructive criticism? ... I haven't heard a peep yet.
> >> >>
> >> >> Thanks.
> >> >> -Abe
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >>
> >> >>
> >> >
> >> > --
> >> > View this message in context:
> >> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
> >> > 76 Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >
> >> > _______________________________________________
> >> > postgis-users mailing list
> >> > postgis-users at postgis.refractions.net
> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> > _______________________________________________
> >> > postgis-users mailing list
> >> > postgis-users at postgis.refractions.net
> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From rindahl at lrcwe.com Tue Nov 28 13:45:41 2006
From: rindahl at lrcwe.com (Bruce Rindahl)
Date: Tue, 28 Nov 2006 14:45:41 -0700
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <a6d397e30611281245y748b7badyde5fee4b08acdbea@mail.gmail.com>
Message-ID: <003f01c71336$8f91d790$1e00a8c0@Bruce>
But I guess the question is what do you need the connection for?
Relationships with other tables can be handled with a view or a SQL string
that can be specified with Python. Concurrent editing is something I don't
want to do. Even single use editing can be tricky. If you split a polygon
what do you do? Delete the old and append the two new ones? Update one and
append the other? This is why I think the toolbox approach is interesting.
Bruce
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Abe
Gillespie
Sent: Tuesday, November 28, 2006 1:46 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
I agree. And I even initially went down the route of a custom layer.
I think it fell short right about when I started exploring editing
capabilities ... IIRC it's not possible with a custom layer. I also
explored the OLEDB data source and that had its restrictions somewhere
too.
-Abe
On 11/28/06, joshua.uyehara at syngenta.com <joshua.uyehara at syngenta.com>
wrote:
> Of all of the approaches so far, ZigGIS is the conceptually the
> 'cleanest', as it is going the route of a full feature class adapter
> implementation (the custom layer approach), but it also requires the
> greatest amount of work, as you have to eventually implement the
> functionality exposed by about a dozen interfaces.
>
> pgArc is great for single users, but you run into problems when you need
> concurrent access, or relationships with other tables in your database.
> The same problems would plague the toolbox approach (which I assume
> would basically be a front-end to shp2pgsql and pgsql2shp).
>
> That's not to say that the pgArc or toolbox approaches aren't worth
> pursuing. They can probably meet some specific needs much faster than
> ZigGIS will be able to.
>
> Joshua Uyehara
> joshua.uyehara at syngenta.com
> Office: +1 808 337 1408 ext 34
> Cell: +1 808 346 5185
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Bruce Rindahl
> Sent: Tuesday, November 28, 2006 9:34 AM
> To: 'PostGIS Users Discussion'
> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
>
> General discussion :)
>
> I am using pgArc for my PostGIS/ArcMap connection. It does both
> read/write with some bugs. I hope to post the changes to 9.x soon on
> the pgArc site.
>
> There is also another effort at:
> http://datashare.gis.unbc.ca/transhape/
> that uses a different approach.
>
> I looked at zigGIS and passed only because I don't program in C#.
>
> Finally, Would there be any interest in a ArcToolbox version of
> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I
> could get a proof of concept going pretty soon. Advantages would be
> Python as a scripting language, the GUI is drag and drop and the tools
> could be modular (One for read, one for append, one for update, etc).
> No compiling would be necessary and the scripts could be used in Model
> Builder. Comments??
>
> Bruce Rindahl
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Paolo Corti
> Sent: Tuesday, November 28, 2006 12:02 PM
> To: postgis-users at postgis.refractions.net
> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
>
>
> Yes Abe
> I have seen your 3ed at support.esri.com no one seemed to help you I am
> sorry
>
> Have you checked out these 3 alternatives at ArcObjects help (under
> extending arcobjects)?
> 1) Custom Layers
> 2) Plug in data sources
> 3) OGIS compliant OLE DB providers
>
> Plug in is not applicable (it is read only), but the other 2 are viable
> Custom Layers also from .NET I was investigating if also OGIS OLE DB
> could be developed in .NET (in the Help is written only VC++ realistic
> for implementation, but maybe this comment is obsolete now)
>
> in any case,
> congratulations for your great job, even if ZigGis do not write ;-)
>
> Paolo
>
>
>
> Abe Gillespie wrote:
> >
> > Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
>
> > these efforts.
> >
> > -Abe
> >
> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
> >>
> >> Hello Joshua
> >> and thanks for the workaround, I will test it as ASAP It is very
> >> possibly that we could join to make some modification at ZigGis, as
> >> far as I would like in my spare time to write a connector for PostGis
>
> >> for ArcMap.
> >> First I was looking at PgArc (I also migrated that at ArcObjects 9),
> >> but I think the best approach is like ZigGis does, without a proxy
> >> shapefile, but directly reading the data.
> >> I have one more question, before going on.
> >> In this mailing list it was claimed, I think just from Abe, that
> >> ZigGis can read and also WRITE PostGis data. Is this correct? Because
>
> >> from what you are writing seems that ZigGis can just read and not
> >> write, and maybe I could be not interested in continuing using
> >> ZigGis.
> >> In fact I have decided to write in my spare time a full Read/Write
> >> PostGis connector for ArcMap. But before doing that I would like to
> >> deeply investigate if ZigGis already does the job.
> >>
> >> Best regards
> >> Paolo Corti
> >> http://www.paolocorti.net
> >>
> >>
> >> joshua.uyehara wrote:
> >> >
> >> > Hey Paolo,
> >> >
> >> > Abe isn't working on it anymore, but I have been occasionally
> >> > plugging away at it myself. The problem with adding the layer in
> >> > ArcMap is due to a minor bug.
> >> >
> >> > ZigGIS pulls the geometry column data from PostGIS in its native
> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
> >> > internal
> >> binary
> >> > format is not identical to the expected wkb format, so ArcMap
> >> > silently ignores it and basically treats the table as a
> >> > feature-less object class.
> >> >
> >> > One quick workaround is to create a view of the table that converts
>
> >> > the geometry column with asbinary(), and then manually add the
> >> > necessary entry to the geometry_columns table.
> >> >
> >> > E.g.,
> >> >
> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
> >> > geometry_columns (f_table_schema, f_table_name, f_geometry_column,
> >> > coord_dimension, srid, type) VALUES
> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
> >> > 'MULTIPOLYGON');
> >> >
> >> > Change schema, table, column names, srid, etc. to match your table,
> >> then
> >> > specify the view as the table to be opened with ZigGIS. It's an
> >> > ugly kludge, but I haven't had the time to fix the problem in
> >> > ZigGIS itself yet.
> >> >
> >> > Many of the feature class functionality hasn't been implemented
> >> > yet, so you can't do much besides display the features. I'm
> >> > planning to add features to ZigGIS as I need them for work, but I
> >> > can't give you any timelines on it, as I'm swamped with other stuff
> at the moment.
> >> >
> >> > Hope that helped,
> >> > Joshua Uyehara
> >> > joshua.uyehara at syngenta.com
> >> >
> >> > -----Original Message-----
> >> > From: postgis-users-bounces at postgis.refractions.net
> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>
> >> > Paolo Corti
> >> > Sent: Monday, November 27, 2006 6:46 AM
> >> > To: postgis-users at postgis.refractions.net
> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
> >> >
> >> >
> >> > Hello Abe
> >> >
> >> > you made a great job with your ZigGis! The ArcObjects code is
> amazing!
> >> >
> >> > maybe you can give me a help
> >> > I compiled your code for using it with ArcGis 9 (i made some little
>
> >> > modifications at the code to get this) and .NET 2.0 It compiled
> >> > fine, but when I start ArcMap and I add a PostGIS layer, it adds
> >> > the layer on the TOC but nothing is showed/drawed on the map.
> >> > Looks like geometries are not read from the shape column.
> >> > I am wondering if you are still on this project, and maybe you
> >> > could give me some help, or if I am on my own and must deeply
> >> > investigate/debug myself the code in order to find what is not
> >> > going properly
> >> >
> >> > best regards
> >> > Paolo Corti
> >> > GIS Developer
> >> > http://www.paolocorti.net
> >> >
> >> >
> >> > Abe Gillespie wrote:
> >> >>
> >> >> Sorry for the cross post, but the zigGIS list only has 9
> >> >> subscribers with a ton more downloads than that.
> >> >>
> >> >> I'm curious about any experiences people are having using or even
> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
> >> >> Any constructive criticism? ... I haven't heard a peep yet.
> >> >>
> >> >> Thanks.
> >> >> -Abe
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >>
> >> >>
> >> >
> >> > --
> >> > View this message in context:
> >> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
> >> > 76 Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >
> >> > _______________________________________________
> >> > postgis-users mailing list
> >> > postgis-users at postgis.refractions.net
> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> > _______________________________________________
> >> > postgis-users mailing list
> >> > postgis-users at postgis.refractions.net
> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From pcorti at gmail.com Wed Nov 29 01:09:17 2006
From: pcorti at gmail.com (Paolo Corti)
Date: Wed, 29 Nov 2006 01:09:17 -0800 (PST)
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <a6d397e30611281245y748b7badyde5fee4b08acdbea@mail.gmail.com>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<7585042.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D37605D@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<a6d397e30611281245y748b7badyde5fee4b08acdbea@mail.gmail.com>
Message-ID: <7595753.post@talk.nabble.com>
Yes looks like a limit of custom layers, according to Esri docs
If you want to implement edit for custom layer looks like you have to
implement custom edit tool, there is a sample with xy file custom layer on
ArcObjects on line for implementing custom layer editing tool. Having said
that, from the other2 approaches: Plug in data source is read-only, so the
only viable solution would remain OGIS OLE DB Providers, but looks like it
is developable only with ATL c++
I recall the approaches here:
1) Custom Layers
2) Plug in data sources
3) OGIS compliant OLE DB providers
best regards
Paolo Corti
http://www.paolocorti.net
Abe Gillespie wrote:
>
> I agree. And I even initially went down the route of a custom layer.
> I think it fell short right about when I started exploring editing
> capabilities ... IIRC it's not possible with a custom layer. I also
> explored the OLEDB data source and that had its restrictions somewhere
> too.
>
> -Abe
>
> On 11/28/06, joshua.uyehara at syngenta.com <joshua.uyehara at syngenta.com>
> wrote:
>> Of all of the approaches so far, ZigGIS is the conceptually the
>> 'cleanest', as it is going the route of a full feature class adapter
>> implementation (the custom layer approach), but it also requires the
>> greatest amount of work, as you have to eventually implement the
>> functionality exposed by about a dozen interfaces.
>>
>> pgArc is great for single users, but you run into problems when you need
>> concurrent access, or relationships with other tables in your database.
>> The same problems would plague the toolbox approach (which I assume
>> would basically be a front-end to shp2pgsql and pgsql2shp).
>>
>> That's not to say that the pgArc or toolbox approaches aren't worth
>> pursuing. They can probably meet some specific needs much faster than
>> ZigGIS will be able to.
>>
>> Joshua Uyehara
>> joshua.uyehara at syngenta.com
>> Office: +1 808 337 1408 ext 34
>> Cell: +1 808 346 5185
>>
>> -----Original Message-----
>> From: postgis-users-bounces at postgis.refractions.net
>> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> Bruce Rindahl
>> Sent: Tuesday, November 28, 2006 9:34 AM
>> To: 'PostGIS Users Discussion'
>> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
>> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
>>
>> General discussion :)
>>
>> I am using pgArc for my PostGIS/ArcMap connection. It does both
>> read/write with some bugs. I hope to post the changes to 9.x soon on
>> the pgArc site.
>>
>> There is also another effort at:
>> http://datashare.gis.unbc.ca/transhape/
>> that uses a different approach.
>>
>> I looked at zigGIS and passed only because I don't program in C#.
>>
>> Finally, Would there be any interest in a ArcToolbox version of
>> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I
>> could get a proof of concept going pretty soon. Advantages would be
>> Python as a scripting language, the GUI is drag and drop and the tools
>> could be modular (One for read, one for append, one for update, etc).
>> No compiling would be necessary and the scripts could be used in Model
>> Builder. Comments??
>>
>> Bruce Rindahl
>>
>> -----Original Message-----
>> From: postgis-users-bounces at postgis.refractions.net
>> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> Paolo Corti
>> Sent: Tuesday, November 28, 2006 12:02 PM
>> To: postgis-users at postgis.refractions.net
>> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
>>
>>
>> Yes Abe
>> I have seen your 3ed at support.esri.com no one seemed to help you I am
>> sorry
>>
>> Have you checked out these 3 alternatives at ArcObjects help (under
>> extending arcobjects)?
>> 1) Custom Layers
>> 2) Plug in data sources
>> 3) OGIS compliant OLE DB providers
>>
>> Plug in is not applicable (it is read only), but the other 2 are viable
>> Custom Layers also from .NET I was investigating if also OGIS OLE DB
>> could be developed in .NET (in the Help is written only VC++ realistic
>> for implementation, but maybe this comment is obsolete now)
>>
>> in any case,
>> congratulations for your great job, even if ZigGis do not write ;-)
>>
>> Paolo
>>
>>
>>
>> Abe Gillespie wrote:
>> >
>> > Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
>>
>> > these efforts.
>> >
>> > -Abe
>> >
>> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
>> >>
>> >> Hello Joshua
>> >> and thanks for the workaround, I will test it as ASAP It is very
>> >> possibly that we could join to make some modification at ZigGis, as
>> >> far as I would like in my spare time to write a connector for PostGis
>>
>> >> for ArcMap.
>> >> First I was looking at PgArc (I also migrated that at ArcObjects 9),
>> >> but I think the best approach is like ZigGis does, without a proxy
>> >> shapefile, but directly reading the data.
>> >> I have one more question, before going on.
>> >> In this mailing list it was claimed, I think just from Abe, that
>> >> ZigGis can read and also WRITE PostGis data. Is this correct? Because
>>
>> >> from what you are writing seems that ZigGis can just read and not
>> >> write, and maybe I could be not interested in continuing using
>> >> ZigGis.
>> >> In fact I have decided to write in my spare time a full Read/Write
>> >> PostGis connector for ArcMap. But before doing that I would like to
>> >> deeply investigate if ZigGis already does the job.
>> >>
>> >> Best regards
>> >> Paolo Corti
>> >> http://www.paolocorti.net
>> >>
>> >>
>> >> joshua.uyehara wrote:
>> >> >
>> >> > Hey Paolo,
>> >> >
>> >> > Abe isn't working on it anymore, but I have been occasionally
>> >> > plugging away at it myself. The problem with adding the layer in
>> >> > ArcMap is due to a minor bug.
>> >> >
>> >> > ZigGIS pulls the geometry column data from PostGIS in its native
>> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
>> >> > internal
>> >> binary
>> >> > format is not identical to the expected wkb format, so ArcMap
>> >> > silently ignores it and basically treats the table as a
>> >> > feature-less object class.
>> >> >
>> >> > One quick workaround is to create a view of the table that converts
>>
>> >> > the geometry column with asbinary(), and then manually add the
>> >> > necessary entry to the geometry_columns table.
>> >> >
>> >> > E.g.,
>> >> >
>> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
>> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
>> >> > geometry_columns (f_table_schema, f_table_name, f_geometry_column,
>> >> > coord_dimension, srid, type) VALUES
>> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
>> >> > 'MULTIPOLYGON');
>> >> >
>> >> > Change schema, table, column names, srid, etc. to match your table,
>> >> then
>> >> > specify the view as the table to be opened with ZigGIS. It's an
>> >> > ugly kludge, but I haven't had the time to fix the problem in
>> >> > ZigGIS itself yet.
>> >> >
>> >> > Many of the feature class functionality hasn't been implemented
>> >> > yet, so you can't do much besides display the features. I'm
>> >> > planning to add features to ZigGIS as I need them for work, but I
>> >> > can't give you any timelines on it, as I'm swamped with other stuff
>> at the moment.
>> >> >
>> >> > Hope that helped,
>> >> > Joshua Uyehara
>> >> > joshua.uyehara at syngenta.com
>> >> >
>> >> > -----Original Message-----
>> >> > From: postgis-users-bounces at postgis.refractions.net
>> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>>
>> >> > Paolo Corti
>> >> > Sent: Monday, November 27, 2006 6:46 AM
>> >> > To: postgis-users at postgis.refractions.net
>> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
>> >> >
>> >> >
>> >> > Hello Abe
>> >> >
>> >> > you made a great job with your ZigGis! The ArcObjects code is
>> amazing!
>> >> >
>> >> > maybe you can give me a help
>> >> > I compiled your code for using it with ArcGis 9 (i made some little
>>
>> >> > modifications at the code to get this) and .NET 2.0 It compiled
>> >> > fine, but when I start ArcMap and I add a PostGIS layer, it adds
>> >> > the layer on the TOC but nothing is showed/drawed on the map.
>> >> > Looks like geometries are not read from the shape column.
>> >> > I am wondering if you are still on this project, and maybe you
>> >> > could give me some help, or if I am on my own and must deeply
>> >> > investigate/debug myself the code in order to find what is not
>> >> > going properly
>> >> >
>> >> > best regards
>> >> > Paolo Corti
>> >> > GIS Developer
>> >> > http://www.paolocorti.net
>> >> >
>> >> >
>> >> > Abe Gillespie wrote:
>> >> >>
>> >> >> Sorry for the cross post, but the zigGIS list only has 9
>> >> >> subscribers with a ton more downloads than that.
>> >> >>
>> >> >> I'm curious about any experiences people are having using or even
>> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
>> >> >> Any constructive criticism? ... I haven't heard a peep yet.
>> >> >>
>> >> >> Thanks.
>> >> >> -Abe
>> >> >> _______________________________________________
>> >> >> postgis-users mailing list
>> >> >> postgis-users at postgis.refractions.net
>> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> >>
>> >> >>
>> >> >
>> >> > --
>> >> > View this message in context:
>> >> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
>> >> > 76 Sent from the PostGIS - User mailing list archive at Nabble.com.
>> >> >
>> >> > _______________________________________________
>> >> > postgis-users mailing list
>> >> > postgis-users at postgis.refractions.net
>> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> > _______________________________________________
>> >> > postgis-users mailing list
>> >> > postgis-users at postgis.refractions.net
>> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> >
>> >> >
>> >>
>> >> --
>> >> View this message in context:
>> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
>> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
>> >>
>> >> _______________________________________________
>> >> postgis-users mailing list
>> >> postgis-users at postgis.refractions.net
>> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >>
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
>> Sent from the PostGIS - User mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>>
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7595753
Sent from the PostGIS - User mailing list archive at Nabble.com.
From abe.gillespie at gmail.com Wed Nov 29 06:24:50 2006
From: abe.gillespie at gmail.com (Abe Gillespie)
Date: Wed, 29 Nov 2006 09:24:50 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <7595753.post@talk.nabble.com>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<7585042.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D37605D@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<a6d397e30611281245y748b7badyde5fee4b08acdbea@mail.gmail.com>
<7595753.post@talk.nabble.com>
Message-ID: <a6d397e30611290624kbae8e4dg7df552365622cee2@mail.gmail.com>
Right, and one of my goals was to use the built-in ArcGIS editor since
it has all the functionality needed AND is already familiar to the
ESRI crowd.
As far as the OLE DB provider ... I'm almost positive you can write a
provider in C#. The main interop layer that ArcGIS uses is COM and C#
speaks it fluently. It's just a matter of using the various .Net COM
class attributes. However, there was some reason I discounted the OLE
DB provider.
Besides ... why not just piggy back on all the work that has already been done?
-Abe
On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
>
> Yes looks like a limit of custom layers, according to Esri docs
>
> If you want to implement edit for custom layer looks like you have to
> implement custom edit tool, there is a sample with xy file custom layer on
> ArcObjects on line for implementing custom layer editing tool. Having said
> that, from the other2 approaches: Plug in data source is read-only, so the
> only viable solution would remain OGIS OLE DB Providers, but looks like it
> is developable only with ATL c++
>
> I recall the approaches here:
> 1) Custom Layers
> 2) Plug in data sources
> 3) OGIS compliant OLE DB providers
>
> best regards
> Paolo Corti
> http://www.paolocorti.net
>
>
> Abe Gillespie wrote:
> >
> > I agree. And I even initially went down the route of a custom layer.
> > I think it fell short right about when I started exploring editing
> > capabilities ... IIRC it's not possible with a custom layer. I also
> > explored the OLEDB data source and that had its restrictions somewhere
> > too.
> >
> > -Abe
> >
> > On 11/28/06, joshua.uyehara at syngenta.com <joshua.uyehara at syngenta.com>
> > wrote:
> >> Of all of the approaches so far, ZigGIS is the conceptually the
> >> 'cleanest', as it is going the route of a full feature class adapter
> >> implementation (the custom layer approach), but it also requires the
> >> greatest amount of work, as you have to eventually implement the
> >> functionality exposed by about a dozen interfaces.
> >>
> >> pgArc is great for single users, but you run into problems when you need
> >> concurrent access, or relationships with other tables in your database.
> >> The same problems would plague the toolbox approach (which I assume
> >> would basically be a front-end to shp2pgsql and pgsql2shp).
> >>
> >> That's not to say that the pgArc or toolbox approaches aren't worth
> >> pursuing. They can probably meet some specific needs much faster than
> >> ZigGIS will be able to.
> >>
> >> Joshua Uyehara
> >> joshua.uyehara at syngenta.com
> >> Office: +1 808 337 1408 ext 34
> >> Cell: +1 808 346 5185
> >>
> >> -----Original Message-----
> >> From: postgis-users-bounces at postgis.refractions.net
> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> >> Bruce Rindahl
> >> Sent: Tuesday, November 28, 2006 9:34 AM
> >> To: 'PostGIS Users Discussion'
> >> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
> >> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
> >>
> >> General discussion :)
> >>
> >> I am using pgArc for my PostGIS/ArcMap connection. It does both
> >> read/write with some bugs. I hope to post the changes to 9.x soon on
> >> the pgArc site.
> >>
> >> There is also another effort at:
> >> http://datashare.gis.unbc.ca/transhape/
> >> that uses a different approach.
> >>
> >> I looked at zigGIS and passed only because I don't program in C#.
> >>
> >> Finally, Would there be any interest in a ArcToolbox version of
> >> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I
> >> could get a proof of concept going pretty soon. Advantages would be
> >> Python as a scripting language, the GUI is drag and drop and the tools
> >> could be modular (One for read, one for append, one for update, etc).
> >> No compiling would be necessary and the scripts could be used in Model
> >> Builder. Comments??
> >>
> >> Bruce Rindahl
> >>
> >> -----Original Message-----
> >> From: postgis-users-bounces at postgis.refractions.net
> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> >> Paolo Corti
> >> Sent: Tuesday, November 28, 2006 12:02 PM
> >> To: postgis-users at postgis.refractions.net
> >> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
> >>
> >>
> >> Yes Abe
> >> I have seen your 3ed at support.esri.com no one seemed to help you I am
> >> sorry
> >>
> >> Have you checked out these 3 alternatives at ArcObjects help (under
> >> extending arcobjects)?
> >> 1) Custom Layers
> >> 2) Plug in data sources
> >> 3) OGIS compliant OLE DB providers
> >>
> >> Plug in is not applicable (it is read only), but the other 2 are viable
> >> Custom Layers also from .NET I was investigating if also OGIS OLE DB
> >> could be developed in .NET (in the Help is written only VC++ realistic
> >> for implementation, but maybe this comment is obsolete now)
> >>
> >> in any case,
> >> congratulations for your great job, even if ZigGis do not write ;-)
> >>
> >> Paolo
> >>
> >>
> >>
> >> Abe Gillespie wrote:
> >> >
> >> > Sorry, zigGIS does not write. That, of course, is the "Holy Grail" of
> >>
> >> > these efforts.
> >> >
> >> > -Abe
> >> >
> >> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
> >> >>
> >> >> Hello Joshua
> >> >> and thanks for the workaround, I will test it as ASAP It is very
> >> >> possibly that we could join to make some modification at ZigGis, as
> >> >> far as I would like in my spare time to write a connector for PostGis
> >>
> >> >> for ArcMap.
> >> >> First I was looking at PgArc (I also migrated that at ArcObjects 9),
> >> >> but I think the best approach is like ZigGis does, without a proxy
> >> >> shapefile, but directly reading the data.
> >> >> I have one more question, before going on.
> >> >> In this mailing list it was claimed, I think just from Abe, that
> >> >> ZigGis can read and also WRITE PostGis data. Is this correct? Because
> >>
> >> >> from what you are writing seems that ZigGis can just read and not
> >> >> write, and maybe I could be not interested in continuing using
> >> >> ZigGis.
> >> >> In fact I have decided to write in my spare time a full Read/Write
> >> >> PostGis connector for ArcMap. But before doing that I would like to
> >> >> deeply investigate if ZigGis already does the job.
> >> >>
> >> >> Best regards
> >> >> Paolo Corti
> >> >> http://www.paolocorti.net
> >> >>
> >> >>
> >> >> joshua.uyehara wrote:
> >> >> >
> >> >> > Hey Paolo,
> >> >> >
> >> >> > Abe isn't working on it anymore, but I have been occasionally
> >> >> > plugging away at it myself. The problem with adding the layer in
> >> >> > ArcMap is due to a minor bug.
> >> >> >
> >> >> > ZigGIS pulls the geometry column data from PostGIS in its native
> >> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
> >> >> > internal
> >> >> binary
> >> >> > format is not identical to the expected wkb format, so ArcMap
> >> >> > silently ignores it and basically treats the table as a
> >> >> > feature-less object class.
> >> >> >
> >> >> > One quick workaround is to create a view of the table that converts
> >>
> >> >> > the geometry column with asbinary(), and then manually add the
> >> >> > necessary entry to the geometry_columns table.
> >> >> >
> >> >> > E.g.,
> >> >> >
> >> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> >> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
> >> >> > geometry_columns (f_table_schema, f_table_name, f_geometry_column,
> >> >> > coord_dimension, srid, type) VALUES
> >> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
> >> >> > 'MULTIPOLYGON');
> >> >> >
> >> >> > Change schema, table, column names, srid, etc. to match your table,
> >> >> then
> >> >> > specify the view as the table to be opened with ZigGIS. It's an
> >> >> > ugly kludge, but I haven't had the time to fix the problem in
> >> >> > ZigGIS itself yet.
> >> >> >
> >> >> > Many of the feature class functionality hasn't been implemented
> >> >> > yet, so you can't do much besides display the features. I'm
> >> >> > planning to add features to ZigGIS as I need them for work, but I
> >> >> > can't give you any timelines on it, as I'm swamped with other stuff
> >> at the moment.
> >> >> >
> >> >> > Hope that helped,
> >> >> > Joshua Uyehara
> >> >> > joshua.uyehara at syngenta.com
> >> >> >
> >> >> > -----Original Message-----
> >> >> > From: postgis-users-bounces at postgis.refractions.net
> >> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> >>
> >> >> > Paolo Corti
> >> >> > Sent: Monday, November 27, 2006 6:46 AM
> >> >> > To: postgis-users at postgis.refractions.net
> >> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
> >> >> >
> >> >> >
> >> >> > Hello Abe
> >> >> >
> >> >> > you made a great job with your ZigGis! The ArcObjects code is
> >> amazing!
> >> >> >
> >> >> > maybe you can give me a help
> >> >> > I compiled your code for using it with ArcGis 9 (i made some little
> >>
> >> >> > modifications at the code to get this) and .NET 2.0 It compiled
> >> >> > fine, but when I start ArcMap and I add a PostGIS layer, it adds
> >> >> > the layer on the TOC but nothing is showed/drawed on the map.
> >> >> > Looks like geometries are not read from the shape column.
> >> >> > I am wondering if you are still on this project, and maybe you
> >> >> > could give me some help, or if I am on my own and must deeply
> >> >> > investigate/debug myself the code in order to find what is not
> >> >> > going properly
> >> >> >
> >> >> > best regards
> >> >> > Paolo Corti
> >> >> > GIS Developer
> >> >> > http://www.paolocorti.net
> >> >> >
> >> >> >
> >> >> > Abe Gillespie wrote:
> >> >> >>
> >> >> >> Sorry for the cross post, but the zigGIS list only has 9
> >> >> >> subscribers with a ton more downloads than that.
> >> >> >>
> >> >> >> I'm curious about any experiences people are having using or even
> >> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
> >> >> >> Any constructive criticism? ... I haven't heard a peep yet.
> >> >> >>
> >> >> >> Thanks.
> >> >> >> -Abe
> >> >> >> _______________________________________________
> >> >> >> postgis-users mailing list
> >> >> >> postgis-users at postgis.refractions.net
> >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >>
> >> >> >>
> >> >> >
> >> >> > --
> >> >> > View this message in context:
> >> >> > http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
> >> >> > 76 Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >> >
> >> >> > _______________________________________________
> >> >> > postgis-users mailing list
> >> >> > postgis-users at postgis.refractions.net
> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> > _______________________________________________
> >> >> > postgis-users mailing list
> >> >> > postgis-users at postgis.refractions.net
> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >
> >> >> >
> >> >>
> >> >> --
> >> >> View this message in context:
> >> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
> >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >>
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >>
> >> > _______________________________________________
> >> > postgis-users mailing list
> >> > postgis-users at postgis.refractions.net
> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> >>
> >>
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
>
> --
> View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7595753
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From pcorti at gmail.com Wed Nov 29 06:58:30 2006
From: pcorti at gmail.com (Paolo Corti)
Date: Wed, 29 Nov 2006 06:58:30 -0800 (PST)
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <a6d397e30611290624kbae8e4dg7df552365622cee2@mail.gmail.com>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<7585042.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D37605D@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<a6d397e30611281245y748b7badyde5fee4b08acdbea@mail.gmail.com>
<7595753.post@talk.nabble.com>
<a6d397e30611290624kbae8e4dg7df552365622cee2@mail.gmail.com>
Message-ID: <7600741.post@talk.nabble.com>
Hello Abe
I would with pleasure continue your work, but if -like it seems- there is
not chance from your custom layer implementation to get access to the ArcMap
editor tools (I also disagree with writing custom tools) why not to try the
other approach with OLE DB that -according to Esri- should let full
read/write environment (there is a sample OLE DB OGIS for personal GDB)?
Another approach could be to write an hybrid ZigGis/PgArc software: read
PostGis with ZigGis approach, and editing data with PgArc approach, in a
proxy shapefile fashion.
What I want to say i point maybe better with a sample: the user reads data
as a custom layer, when he decide to edit data, on the background, a
shapefile is created and the user can edit this proxy shape and then check
in the edit changes to PostGis when is over.
Let me know if you are interested in contributing with me to let ZigGis to
also write PostGis data
best regards
Paolo
Abe Gillespie wrote:
>
> Right, and one of my goals was to use the built-in ArcGIS editor since
> it has all the functionality needed AND is already familiar to the
> ESRI crowd.
>
> As far as the OLE DB provider ... I'm almost positive you can write a
> provider in C#. The main interop layer that ArcGIS uses is COM and C#
> speaks it fluently. It's just a matter of using the various .Net COM
> class attributes. However, there was some reason I discounted the OLE
> DB provider.
>
> Besides ... why not just piggy back on all the work that has already been
> done?
>
> -Abe
>
> On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
>>
>> Yes looks like a limit of custom layers, according to Esri docs
>>
>> If you want to implement edit for custom layer looks like you have to
>> implement custom edit tool, there is a sample with xy file custom layer
>> on
>> ArcObjects on line for implementing custom layer editing tool. Having
>> said
>> that, from the other2 approaches: Plug in data source is read-only, so
>> the
>> only viable solution would remain OGIS OLE DB Providers, but looks like
>> it
>> is developable only with ATL c++
>>
>> I recall the approaches here:
>> 1) Custom Layers
>> 2) Plug in data sources
>> 3) OGIS compliant OLE DB providers
>>
>> best regards
>> Paolo Corti
>> http://www.paolocorti.net
>>
>>
>> Abe Gillespie wrote:
>> >
>> > I agree. And I even initially went down the route of a custom layer.
>> > I think it fell short right about when I started exploring editing
>> > capabilities ... IIRC it's not possible with a custom layer. I also
>> > explored the OLEDB data source and that had its restrictions somewhere
>> > too.
>> >
>> > -Abe
>> >
>> > On 11/28/06, joshua.uyehara at syngenta.com <joshua.uyehara at syngenta.com>
>> > wrote:
>> >> Of all of the approaches so far, ZigGIS is the conceptually the
>> >> 'cleanest', as it is going the route of a full feature class adapter
>> >> implementation (the custom layer approach), but it also requires the
>> >> greatest amount of work, as you have to eventually implement the
>> >> functionality exposed by about a dozen interfaces.
>> >>
>> >> pgArc is great for single users, but you run into problems when you
>> need
>> >> concurrent access, or relationships with other tables in your
>> database.
>> >> The same problems would plague the toolbox approach (which I assume
>> >> would basically be a front-end to shp2pgsql and pgsql2shp).
>> >>
>> >> That's not to say that the pgArc or toolbox approaches aren't worth
>> >> pursuing. They can probably meet some specific needs much faster than
>> >> ZigGIS will be able to.
>> >>
>> >> Joshua Uyehara
>> >> joshua.uyehara at syngenta.com
>> >> Office: +1 808 337 1408 ext 34
>> >> Cell: +1 808 346 5185
>> >>
>> >> -----Original Message-----
>> >> From: postgis-users-bounces at postgis.refractions.net
>> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> >> Bruce Rindahl
>> >> Sent: Tuesday, November 28, 2006 9:34 AM
>> >> To: 'PostGIS Users Discussion'
>> >> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
>> >> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
>> >>
>> >> General discussion :)
>> >>
>> >> I am using pgArc for my PostGIS/ArcMap connection. It does both
>> >> read/write with some bugs. I hope to post the changes to 9.x soon on
>> >> the pgArc site.
>> >>
>> >> There is also another effort at:
>> >> http://datashare.gis.unbc.ca/transhape/
>> >> that uses a different approach.
>> >>
>> >> I looked at zigGIS and passed only because I don't program in C#.
>> >>
>> >> Finally, Would there be any interest in a ArcToolbox version of
>> >> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I
>> >> could get a proof of concept going pretty soon. Advantages would be
>> >> Python as a scripting language, the GUI is drag and drop and the tools
>> >> could be modular (One for read, one for append, one for update, etc).
>> >> No compiling would be necessary and the scripts could be used in Model
>> >> Builder. Comments??
>> >>
>> >> Bruce Rindahl
>> >>
>> >> -----Original Message-----
>> >> From: postgis-users-bounces at postgis.refractions.net
>> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> >> Paolo Corti
>> >> Sent: Tuesday, November 28, 2006 12:02 PM
>> >> To: postgis-users at postgis.refractions.net
>> >> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
>> >>
>> >>
>> >> Yes Abe
>> >> I have seen your 3ed at support.esri.com no one seemed to help you I
>> am
>> >> sorry
>> >>
>> >> Have you checked out these 3 alternatives at ArcObjects help (under
>> >> extending arcobjects)?
>> >> 1) Custom Layers
>> >> 2) Plug in data sources
>> >> 3) OGIS compliant OLE DB providers
>> >>
>> >> Plug in is not applicable (it is read only), but the other 2 are
>> viable
>> >> Custom Layers also from .NET I was investigating if also OGIS OLE DB
>> >> could be developed in .NET (in the Help is written only VC++ realistic
>> >> for implementation, but maybe this comment is obsolete now)
>> >>
>> >> in any case,
>> >> congratulations for your great job, even if ZigGis do not write ;-)
>> >>
>> >> Paolo
>> >>
>> >>
>> >>
>> >> Abe Gillespie wrote:
>> >> >
>> >> > Sorry, zigGIS does not write. That, of course, is the "Holy Grail"
>> of
>> >>
>> >> > these efforts.
>> >> >
>> >> > -Abe
>> >> >
>> >> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
>> >> >>
>> >> >> Hello Joshua
>> >> >> and thanks for the workaround, I will test it as ASAP It is very
>> >> >> possibly that we could join to make some modification at ZigGis, as
>> >> >> far as I would like in my spare time to write a connector for
>> PostGis
>> >>
>> >> >> for ArcMap.
>> >> >> First I was looking at PgArc (I also migrated that at ArcObjects
>> 9),
>> >> >> but I think the best approach is like ZigGis does, without a proxy
>> >> >> shapefile, but directly reading the data.
>> >> >> I have one more question, before going on.
>> >> >> In this mailing list it was claimed, I think just from Abe, that
>> >> >> ZigGis can read and also WRITE PostGis data. Is this correct?
>> Because
>> >>
>> >> >> from what you are writing seems that ZigGis can just read and not
>> >> >> write, and maybe I could be not interested in continuing using
>> >> >> ZigGis.
>> >> >> In fact I have decided to write in my spare time a full Read/Write
>> >> >> PostGis connector for ArcMap. But before doing that I would like to
>> >> >> deeply investigate if ZigGis already does the job.
>> >> >>
>> >> >> Best regards
>> >> >> Paolo Corti
>> >> >> http://www.paolocorti.net
>> >> >>
>> >> >>
>> >> >> joshua.uyehara wrote:
>> >> >> >
>> >> >> > Hey Paolo,
>> >> >> >
>> >> >> > Abe isn't working on it anymore, but I have been occasionally
>> >> >> > plugging away at it myself. The problem with adding the layer in
>> >> >> > ArcMap is due to a minor bug.
>> >> >> >
>> >> >> > ZigGIS pulls the geometry column data from PostGIS in its native
>> >> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
>> >> >> > internal
>> >> >> binary
>> >> >> > format is not identical to the expected wkb format, so ArcMap
>> >> >> > silently ignores it and basically treats the table as a
>> >> >> > feature-less object class.
>> >> >> >
>> >> >> > One quick workaround is to create a view of the table that
>> converts
>> >>
>> >> >> > the geometry column with asbinary(), and then manually add the
>> >> >> > necessary entry to the geometry_columns table.
>> >> >> >
>> >> >> > E.g.,
>> >> >> >
>> >> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
>> >> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
>> >> >> > geometry_columns (f_table_schema, f_table_name,
>> f_geometry_column,
>> >> >> > coord_dimension, srid, type) VALUES
>> >> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
>> >> >> > 'MULTIPOLYGON');
>> >> >> >
>> >> >> > Change schema, table, column names, srid, etc. to match your
>> table,
>> >> >> then
>> >> >> > specify the view as the table to be opened with ZigGIS. It's an
>> >> >> > ugly kludge, but I haven't had the time to fix the problem in
>> >> >> > ZigGIS itself yet.
>> >> >> >
>> >> >> > Many of the feature class functionality hasn't been implemented
>> >> >> > yet, so you can't do much besides display the features. I'm
>> >> >> > planning to add features to ZigGIS as I need them for work, but I
>> >> >> > can't give you any timelines on it, as I'm swamped with other
>> stuff
>> >> at the moment.
>> >> >> >
>> >> >> > Hope that helped,
>> >> >> > Joshua Uyehara
>> >> >> > joshua.uyehara at syngenta.com
>> >> >> >
>> >> >> > -----Original Message-----
>> >> >> > From: postgis-users-bounces at postgis.refractions.net
>> >> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf
>> Of
>> >>
>> >> >> > Paolo Corti
>> >> >> > Sent: Monday, November 27, 2006 6:46 AM
>> >> >> > To: postgis-users at postgis.refractions.net
>> >> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
>> >> >> >
>> >> >> >
>> >> >> > Hello Abe
>> >> >> >
>> >> >> > you made a great job with your ZigGis! The ArcObjects code is
>> >> amazing!
>> >> >> >
>> >> >> > maybe you can give me a help
>> >> >> > I compiled your code for using it with ArcGis 9 (i made some
>> little
>> >>
>> >> >> > modifications at the code to get this) and .NET 2.0 It compiled
>> >> >> > fine, but when I start ArcMap and I add a PostGIS layer, it adds
>> >> >> > the layer on the TOC but nothing is showed/drawed on the map.
>> >> >> > Looks like geometries are not read from the shape column.
>> >> >> > I am wondering if you are still on this project, and maybe you
>> >> >> > could give me some help, or if I am on my own and must deeply
>> >> >> > investigate/debug myself the code in order to find what is not
>> >> >> > going properly
>> >> >> >
>> >> >> > best regards
>> >> >> > Paolo Corti
>> >> >> > GIS Developer
>> >> >> > http://www.paolocorti.net
>> >> >> >
>> >> >> >
>> >> >> > Abe Gillespie wrote:
>> >> >> >>
>> >> >> >> Sorry for the cross post, but the zigGIS list only has 9
>> >> >> >> subscribers with a ton more downloads than that.
>> >> >> >>
>> >> >> >> I'm curious about any experiences people are having using or
>> even
>> >> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
>> >> >> >> Any constructive criticism? ... I haven't heard a peep yet.
>> >> >> >>
>> >> >> >> Thanks.
>> >> >> >> -Abe
>> >> >> >> _______________________________________________
>> >> >> >> postgis-users mailing list
>> >> >> >> postgis-users at postgis.refractions.net
>> >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> >> >>
>> >> >> >>
>> >> >> >
>> >> >> > --
>> >> >> > View this message in context:
>> >> >> >
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
>> >> >> > 76 Sent from the PostGIS - User mailing list archive at
>> Nabble.com.
>> >> >> >
>> >> >> > _______________________________________________
>> >> >> > postgis-users mailing list
>> >> >> > postgis-users at postgis.refractions.net
>> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> >> > _______________________________________________
>> >> >> > postgis-users mailing list
>> >> >> > postgis-users at postgis.refractions.net
>> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> >> >
>> >> >> >
>> >> >>
>> >> >> --
>> >> >> View this message in context:
>> >> >>
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
>> >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
>> >> >>
>> >> >> _______________________________________________
>> >> >> postgis-users mailing list
>> >> >> postgis-users at postgis.refractions.net
>> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> >>
>> >> > _______________________________________________
>> >> > postgis-users mailing list
>> >> > postgis-users at postgis.refractions.net
>> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> >
>> >> >
>> >>
>> >> --
>> >> View this message in context:
>> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
>> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
>> >>
>> >> _______________________________________________
>> >> postgis-users mailing list
>> >> postgis-users at postgis.refractions.net
>> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >>
>> >>
>> >>
>> >> _______________________________________________
>> >> postgis-users mailing list
>> >> postgis-users at postgis.refractions.net
>> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >> _______________________________________________
>> >> postgis-users mailing list
>> >> postgis-users at postgis.refractions.net
>> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >>
>> > _______________________________________________
>> > postgis-users mailing list
>> > postgis-users at postgis.refractions.net
>> > http://postgis.refractions.net/mailman/listinfo/postgis-users
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7595753
>> Sent from the PostGIS - User mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7600741
Sent from the PostGIS - User mailing list archive at Nabble.com.
From abe.gillespie at gmail.com Wed Nov 29 07:11:05 2006
From: abe.gillespie at gmail.com (Abe Gillespie)
Date: Wed, 29 Nov 2006 10:11:05 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <7600741.post@talk.nabble.com>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<7585042.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D37605D@usarmsxmb02.NAFTA.SYNGENTA.ORG>
<a6d397e30611281245y748b7badyde5fee4b08acdbea@mail.gmail.com>
<7595753.post@talk.nabble.com>
<a6d397e30611290624kbae8e4dg7df552365622cee2@mail.gmail.com>
<7600741.post@talk.nabble.com>
Message-ID: <a6d397e30611290711s70a2f437j92dc7279e35f510b@mail.gmail.com>
zigGIS in fact is not a custom layer. It's an entirely new
FeatureClass with it's on FeatureWorkspace and all the other classes
necessary to do this. This was done so that I COULD allow for
editing. For whatever reason, though, ArcGIS always complains when I
start an edit sessions on the PostGisWorkspace. I spent probably a
month and a half trying to find what exactly it was that ArcGIS was
looking for to consider my PostGisWorkspace as editable. You might
even find an EDN question I posted about it and it garnered no useful
feedback.
Because of that problem, indeed, my intention was to do a sorta hybrid
that you mention. The user would initiate a check-out of the shapes
about to be edited. Those would quickly be exported as a true
shapefile, shipped across the network, and stored to a temp location
on the editor's machine. Once the edits were done, the shapefile
would be shipped back across the network and imported in an
intelligent way. The nice thing about this approach is the editing is
occurring on a native shapefile with, obviously, native support.
But I came on hard times and had to get a full time job and drop my
consulting business. It sucks, but that's life. I would be happier
than a clam if I could get zigGIS work funded!
-Abe
On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
>
> Hello Abe
> I would with pleasure continue your work, but if -like it seems- there is
> not chance from your custom layer implementation to get access to the ArcMap
> editor tools (I also disagree with writing custom tools) why not to try the
> other approach with OLE DB that -according to Esri- should let full
> read/write environment (there is a sample OLE DB OGIS for personal GDB)?
> Another approach could be to write an hybrid ZigGis/PgArc software: read
> PostGis with ZigGis approach, and editing data with PgArc approach, in a
> proxy shapefile fashion.
> What I want to say i point maybe better with a sample: the user reads data
> as a custom layer, when he decide to edit data, on the background, a
> shapefile is created and the user can edit this proxy shape and then check
> in the edit changes to PostGis when is over.
> Let me know if you are interested in contributing with me to let ZigGis to
> also write PostGis data
> best regards
> Paolo
>
>
> Abe Gillespie wrote:
> >
> > Right, and one of my goals was to use the built-in ArcGIS editor since
> > it has all the functionality needed AND is already familiar to the
> > ESRI crowd.
> >
> > As far as the OLE DB provider ... I'm almost positive you can write a
> > provider in C#. The main interop layer that ArcGIS uses is COM and C#
> > speaks it fluently. It's just a matter of using the various .Net COM
> > class attributes. However, there was some reason I discounted the OLE
> > DB provider.
> >
> > Besides ... why not just piggy back on all the work that has already been
> > done?
> >
> > -Abe
> >
> > On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
> >>
> >> Yes looks like a limit of custom layers, according to Esri docs
> >>
> >> If you want to implement edit for custom layer looks like you have to
> >> implement custom edit tool, there is a sample with xy file custom layer
> >> on
> >> ArcObjects on line for implementing custom layer editing tool. Having
> >> said
> >> that, from the other2 approaches: Plug in data source is read-only, so
> >> the
> >> only viable solution would remain OGIS OLE DB Providers, but looks like
> >> it
> >> is developable only with ATL c++
> >>
> >> I recall the approaches here:
> >> 1) Custom Layers
> >> 2) Plug in data sources
> >> 3) OGIS compliant OLE DB providers
> >>
> >> best regards
> >> Paolo Corti
> >> http://www.paolocorti.net
> >>
> >>
> >> Abe Gillespie wrote:
> >> >
> >> > I agree. And I even initially went down the route of a custom layer.
> >> > I think it fell short right about when I started exploring editing
> >> > capabilities ... IIRC it's not possible with a custom layer. I also
> >> > explored the OLEDB data source and that had its restrictions somewhere
> >> > too.
> >> >
> >> > -Abe
> >> >
> >> > On 11/28/06, joshua.uyehara at syngenta.com <joshua.uyehara at syngenta.com>
> >> > wrote:
> >> >> Of all of the approaches so far, ZigGIS is the conceptually the
> >> >> 'cleanest', as it is going the route of a full feature class adapter
> >> >> implementation (the custom layer approach), but it also requires the
> >> >> greatest amount of work, as you have to eventually implement the
> >> >> functionality exposed by about a dozen interfaces.
> >> >>
> >> >> pgArc is great for single users, but you run into problems when you
> >> need
> >> >> concurrent access, or relationships with other tables in your
> >> database.
> >> >> The same problems would plague the toolbox approach (which I assume
> >> >> would basically be a front-end to shp2pgsql and pgsql2shp).
> >> >>
> >> >> That's not to say that the pgArc or toolbox approaches aren't worth
> >> >> pursuing. They can probably meet some specific needs much faster than
> >> >> ZigGIS will be able to.
> >> >>
> >> >> Joshua Uyehara
> >> >> joshua.uyehara at syngenta.com
> >> >> Office: +1 808 337 1408 ext 34
> >> >> Cell: +1 808 346 5185
> >> >>
> >> >> -----Original Message-----
> >> >> From: postgis-users-bounces at postgis.refractions.net
> >> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> >> >> Bruce Rindahl
> >> >> Sent: Tuesday, November 28, 2006 9:34 AM
> >> >> To: 'PostGIS Users Discussion'
> >> >> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
> >> >> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
> >> >>
> >> >> General discussion :)
> >> >>
> >> >> I am using pgArc for my PostGIS/ArcMap connection. It does both
> >> >> read/write with some bugs. I hope to post the changes to 9.x soon on
> >> >> the pgArc site.
> >> >>
> >> >> There is also another effort at:
> >> >> http://datashare.gis.unbc.ca/transhape/
> >> >> that uses a different approach.
> >> >>
> >> >> I looked at zigGIS and passed only because I don't program in C#.
> >> >>
> >> >> Finally, Would there be any interest in a ArcToolbox version of
> >> >> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think I
> >> >> could get a proof of concept going pretty soon. Advantages would be
> >> >> Python as a scripting language, the GUI is drag and drop and the tools
> >> >> could be modular (One for read, one for append, one for update, etc).
> >> >> No compiling would be necessary and the scripts could be used in Model
> >> >> Builder. Comments??
> >> >>
> >> >> Bruce Rindahl
> >> >>
> >> >> -----Original Message-----
> >> >> From: postgis-users-bounces at postgis.refractions.net
> >> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> >> >> Paolo Corti
> >> >> Sent: Tuesday, November 28, 2006 12:02 PM
> >> >> To: postgis-users at postgis.refractions.net
> >> >> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
> >> >>
> >> >>
> >> >> Yes Abe
> >> >> I have seen your 3ed at support.esri.com no one seemed to help you I
> >> am
> >> >> sorry
> >> >>
> >> >> Have you checked out these 3 alternatives at ArcObjects help (under
> >> >> extending arcobjects)?
> >> >> 1) Custom Layers
> >> >> 2) Plug in data sources
> >> >> 3) OGIS compliant OLE DB providers
> >> >>
> >> >> Plug in is not applicable (it is read only), but the other 2 are
> >> viable
> >> >> Custom Layers also from .NET I was investigating if also OGIS OLE DB
> >> >> could be developed in .NET (in the Help is written only VC++ realistic
> >> >> for implementation, but maybe this comment is obsolete now)
> >> >>
> >> >> in any case,
> >> >> congratulations for your great job, even if ZigGis do not write ;-)
> >> >>
> >> >> Paolo
> >> >>
> >> >>
> >> >>
> >> >> Abe Gillespie wrote:
> >> >> >
> >> >> > Sorry, zigGIS does not write. That, of course, is the "Holy Grail"
> >> of
> >> >>
> >> >> > these efforts.
> >> >> >
> >> >> > -Abe
> >> >> >
> >> >> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
> >> >> >>
> >> >> >> Hello Joshua
> >> >> >> and thanks for the workaround, I will test it as ASAP It is very
> >> >> >> possibly that we could join to make some modification at ZigGis, as
> >> >> >> far as I would like in my spare time to write a connector for
> >> PostGis
> >> >>
> >> >> >> for ArcMap.
> >> >> >> First I was looking at PgArc (I also migrated that at ArcObjects
> >> 9),
> >> >> >> but I think the best approach is like ZigGis does, without a proxy
> >> >> >> shapefile, but directly reading the data.
> >> >> >> I have one more question, before going on.
> >> >> >> In this mailing list it was claimed, I think just from Abe, that
> >> >> >> ZigGis can read and also WRITE PostGis data. Is this correct?
> >> Because
> >> >>
> >> >> >> from what you are writing seems that ZigGis can just read and not
> >> >> >> write, and maybe I could be not interested in continuing using
> >> >> >> ZigGis.
> >> >> >> In fact I have decided to write in my spare time a full Read/Write
> >> >> >> PostGis connector for ArcMap. But before doing that I would like to
> >> >> >> deeply investigate if ZigGis already does the job.
> >> >> >>
> >> >> >> Best regards
> >> >> >> Paolo Corti
> >> >> >> http://www.paolocorti.net
> >> >> >>
> >> >> >>
> >> >> >> joshua.uyehara wrote:
> >> >> >> >
> >> >> >> > Hey Paolo,
> >> >> >> >
> >> >> >> > Abe isn't working on it anymore, but I have been occasionally
> >> >> >> > plugging away at it myself. The problem with adding the layer in
> >> >> >> > ArcMap is due to a minor bug.
> >> >> >> >
> >> >> >> > ZigGIS pulls the geometry column data from PostGIS in its native
> >> >> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
> >> >> >> > internal
> >> >> >> binary
> >> >> >> > format is not identical to the expected wkb format, so ArcMap
> >> >> >> > silently ignores it and basically treats the table as a
> >> >> >> > feature-less object class.
> >> >> >> >
> >> >> >> > One quick workaround is to create a view of the table that
> >> converts
> >> >>
> >> >> >> > the geometry column with asbinary(), and then manually add the
> >> >> >> > necessary entry to the geometry_columns table.
> >> >> >> >
> >> >> >> > E.g.,
> >> >> >> >
> >> >> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> >> >> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
> >> >> >> > geometry_columns (f_table_schema, f_table_name,
> >> f_geometry_column,
> >> >> >> > coord_dimension, srid, type) VALUES
> >> >> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
> >> >> >> > 'MULTIPOLYGON');
> >> >> >> >
> >> >> >> > Change schema, table, column names, srid, etc. to match your
> >> table,
> >> >> >> then
> >> >> >> > specify the view as the table to be opened with ZigGIS. It's an
> >> >> >> > ugly kludge, but I haven't had the time to fix the problem in
> >> >> >> > ZigGIS itself yet.
> >> >> >> >
> >> >> >> > Many of the feature class functionality hasn't been implemented
> >> >> >> > yet, so you can't do much besides display the features. I'm
> >> >> >> > planning to add features to ZigGIS as I need them for work, but I
> >> >> >> > can't give you any timelines on it, as I'm swamped with other
> >> stuff
> >> >> at the moment.
> >> >> >> >
> >> >> >> > Hope that helped,
> >> >> >> > Joshua Uyehara
> >> >> >> > joshua.uyehara at syngenta.com
> >> >> >> >
> >> >> >> > -----Original Message-----
> >> >> >> > From: postgis-users-bounces at postgis.refractions.net
> >> >> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf
> >> Of
> >> >>
> >> >> >> > Paolo Corti
> >> >> >> > Sent: Monday, November 27, 2006 6:46 AM
> >> >> >> > To: postgis-users at postgis.refractions.net
> >> >> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
> >> >> >> >
> >> >> >> >
> >> >> >> > Hello Abe
> >> >> >> >
> >> >> >> > you made a great job with your ZigGis! The ArcObjects code is
> >> >> amazing!
> >> >> >> >
> >> >> >> > maybe you can give me a help
> >> >> >> > I compiled your code for using it with ArcGis 9 (i made some
> >> little
> >> >>
> >> >> >> > modifications at the code to get this) and .NET 2.0 It compiled
> >> >> >> > fine, but when I start ArcMap and I add a PostGIS layer, it adds
> >> >> >> > the layer on the TOC but nothing is showed/drawed on the map.
> >> >> >> > Looks like geometries are not read from the shape column.
> >> >> >> > I am wondering if you are still on this project, and maybe you
> >> >> >> > could give me some help, or if I am on my own and must deeply
> >> >> >> > investigate/debug myself the code in order to find what is not
> >> >> >> > going properly
> >> >> >> >
> >> >> >> > best regards
> >> >> >> > Paolo Corti
> >> >> >> > GIS Developer
> >> >> >> > http://www.paolocorti.net
> >> >> >> >
> >> >> >> >
> >> >> >> > Abe Gillespie wrote:
> >> >> >> >>
> >> >> >> >> Sorry for the cross post, but the zigGIS list only has 9
> >> >> >> >> subscribers with a ton more downloads than that.
> >> >> >> >>
> >> >> >> >> I'm curious about any experiences people are having using or
> >> even
> >> >> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
> >> >> >> >> Any constructive criticism? ... I haven't heard a peep yet.
> >> >> >> >>
> >> >> >> >> Thanks.
> >> >> >> >> -Abe
> >> >> >> >> _______________________________________________
> >> >> >> >> postgis-users mailing list
> >> >> >> >> postgis-users at postgis.refractions.net
> >> >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >> >>
> >> >> >> >>
> >> >> >> >
> >> >> >> > --
> >> >> >> > View this message in context:
> >> >> >> >
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
> >> >> >> > 76 Sent from the PostGIS - User mailing list archive at
> >> Nabble.com.
> >> >> >> >
> >> >> >> > _______________________________________________
> >> >> >> > postgis-users mailing list
> >> >> >> > postgis-users at postgis.refractions.net
> >> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >> > _______________________________________________
> >> >> >> > postgis-users mailing list
> >> >> >> > postgis-users at postgis.refractions.net
> >> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >> >
> >> >> >> >
> >> >> >>
> >> >> >> --
> >> >> >> View this message in context:
> >> >> >>
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
> >> >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >> >>
> >> >> >> _______________________________________________
> >> >> >> postgis-users mailing list
> >> >> >> postgis-users at postgis.refractions.net
> >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >>
> >> >> > _______________________________________________
> >> >> > postgis-users mailing list
> >> >> > postgis-users at postgis.refractions.net
> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >
> >> >> >
> >> >>
> >> >> --
> >> >> View this message in context:
> >> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
> >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >>
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >>
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >>
> >> > _______________________________________________
> >> > postgis-users mailing list
> >> > postgis-users at postgis.refractions.net
> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7595753
> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
>
> --
> View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7600741
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From rindahl at lrcwe.com Wed Nov 29 08:46:02 2006
From: rindahl at lrcwe.com (Bruce Rindahl)
Date: Wed, 29 Nov 2006 09:46:02 -0700
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <a6d397e30611290711s70a2f437j92dc7279e35f510b@mail.gmail.com>
Message-ID: <001801c713d5$db62de40$1e00a8c0@Bruce>
I would also be interested in testing /helping on this. I found the section
on creating an OLE DB OGIS connection on ESRI's web site:
http://edndoc.esri.com/arcobjects/9.1/ExtendingArcObjects/Ch07/OGISOleDbProv
ider.htm
I can't download the code - the link is broken. I can connect to
Postgres/PostGIS and view the non-spatial tables. If an OLE DB connection
could be available to at least read the data this would be a great start.
Edits could then be done a suggested below - move to a shapefile then some
kind of interface or toolbox to post the edits.
Bruce
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Abe
Gillespie
Sent: Wednesday, November 29, 2006 8:11 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
zigGIS in fact is not a custom layer. It's an entirely new
FeatureClass with it's on FeatureWorkspace and all the other classes
necessary to do this. This was done so that I COULD allow for
editing. For whatever reason, though, ArcGIS always complains when I
start an edit sessions on the PostGisWorkspace. I spent probably a
month and a half trying to find what exactly it was that ArcGIS was
looking for to consider my PostGisWorkspace as editable. You might
even find an EDN question I posted about it and it garnered no useful
feedback.
Because of that problem, indeed, my intention was to do a sorta hybrid
that you mention. The user would initiate a check-out of the shapes
about to be edited. Those would quickly be exported as a true
shapefile, shipped across the network, and stored to a temp location
on the editor's machine. Once the edits were done, the shapefile
would be shipped back across the network and imported in an
intelligent way. The nice thing about this approach is the editing is
occurring on a native shapefile with, obviously, native support.
But I came on hard times and had to get a full time job and drop my
consulting business. It sucks, but that's life. I would be happier
than a clam if I could get zigGIS work funded!
-Abe
On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
>
> Hello Abe
> I would with pleasure continue your work, but if -like it seems- there is
> not chance from your custom layer implementation to get access to the
ArcMap
> editor tools (I also disagree with writing custom tools) why not to try
the
> other approach with OLE DB that -according to Esri- should let full
> read/write environment (there is a sample OLE DB OGIS for personal GDB)?
> Another approach could be to write an hybrid ZigGis/PgArc software: read
> PostGis with ZigGis approach, and editing data with PgArc approach, in a
> proxy shapefile fashion.
> What I want to say i point maybe better with a sample: the user reads data
> as a custom layer, when he decide to edit data, on the background, a
> shapefile is created and the user can edit this proxy shape and then check
> in the edit changes to PostGis when is over.
> Let me know if you are interested in contributing with me to let ZigGis to
> also write PostGis data
> best regards
> Paolo
>
>
> Abe Gillespie wrote:
> >
> > Right, and one of my goals was to use the built-in ArcGIS editor since
> > it has all the functionality needed AND is already familiar to the
> > ESRI crowd.
> >
> > As far as the OLE DB provider ... I'm almost positive you can write a
> > provider in C#. The main interop layer that ArcGIS uses is COM and C#
> > speaks it fluently. It's just a matter of using the various .Net COM
> > class attributes. However, there was some reason I discounted the OLE
> > DB provider.
> >
> > Besides ... why not just piggy back on all the work that has already
been
> > done?
> >
> > -Abe
> >
> > On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
> >>
> >> Yes looks like a limit of custom layers, according to Esri docs
> >>
> >> If you want to implement edit for custom layer looks like you have to
> >> implement custom edit tool, there is a sample with xy file custom layer
> >> on
> >> ArcObjects on line for implementing custom layer editing tool. Having
> >> said
> >> that, from the other2 approaches: Plug in data source is read-only, so
> >> the
> >> only viable solution would remain OGIS OLE DB Providers, but looks like
> >> it
> >> is developable only with ATL c++
> >>
> >> I recall the approaches here:
> >> 1) Custom Layers
> >> 2) Plug in data sources
> >> 3) OGIS compliant OLE DB providers
> >>
> >> best regards
> >> Paolo Corti
> >> http://www.paolocorti.net
> >>
> >>
> >> Abe Gillespie wrote:
> >> >
> >> > I agree. And I even initially went down the route of a custom layer.
> >> > I think it fell short right about when I started exploring editing
> >> > capabilities ... IIRC it's not possible with a custom layer. I also
> >> > explored the OLEDB data source and that had its restrictions
somewhere
> >> > too.
> >> >
> >> > -Abe
> >> >
> >> > On 11/28/06, joshua.uyehara at syngenta.com
<joshua.uyehara at syngenta.com>
> >> > wrote:
> >> >> Of all of the approaches so far, ZigGIS is the conceptually the
> >> >> 'cleanest', as it is going the route of a full feature class adapter
> >> >> implementation (the custom layer approach), but it also requires the
> >> >> greatest amount of work, as you have to eventually implement the
> >> >> functionality exposed by about a dozen interfaces.
> >> >>
> >> >> pgArc is great for single users, but you run into problems when you
> >> need
> >> >> concurrent access, or relationships with other tables in your
> >> database.
> >> >> The same problems would plague the toolbox approach (which I assume
> >> >> would basically be a front-end to shp2pgsql and pgsql2shp).
> >> >>
> >> >> That's not to say that the pgArc or toolbox approaches aren't worth
> >> >> pursuing. They can probably meet some specific needs much faster
than
> >> >> ZigGIS will be able to.
> >> >>
> >> >> Joshua Uyehara
> >> >> joshua.uyehara at syngenta.com
> >> >> Office: +1 808 337 1408 ext 34
> >> >> Cell: +1 808 346 5185
> >> >>
> >> >> -----Original Message-----
> >> >> From: postgis-users-bounces at postgis.refractions.net
> >> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> >> >> Bruce Rindahl
> >> >> Sent: Tuesday, November 28, 2006 9:34 AM
> >> >> To: 'PostGIS Users Discussion'
> >> >> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
> >> >> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
> >> >>
> >> >> General discussion :)
> >> >>
> >> >> I am using pgArc for my PostGIS/ArcMap connection. It does both
> >> >> read/write with some bugs. I hope to post the changes to 9.x soon
on
> >> >> the pgArc site.
> >> >>
> >> >> There is also another effort at:
> >> >> http://datashare.gis.unbc.ca/transhape/
> >> >> that uses a different approach.
> >> >>
> >> >> I looked at zigGIS and passed only because I don't program in C#.
> >> >>
> >> >> Finally, Would there be any interest in a ArcToolbox version of
> >> >> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think
I
> >> >> could get a proof of concept going pretty soon. Advantages would be
> >> >> Python as a scripting language, the GUI is drag and drop and the
tools
> >> >> could be modular (One for read, one for append, one for update,
etc).
> >> >> No compiling would be necessary and the scripts could be used in
Model
> >> >> Builder. Comments??
> >> >>
> >> >> Bruce Rindahl
> >> >>
> >> >> -----Original Message-----
> >> >> From: postgis-users-bounces at postgis.refractions.net
> >> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> >> >> Paolo Corti
> >> >> Sent: Tuesday, November 28, 2006 12:02 PM
> >> >> To: postgis-users at postgis.refractions.net
> >> >> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
> >> >>
> >> >>
> >> >> Yes Abe
> >> >> I have seen your 3ed at support.esri.com no one seemed to help you I
> >> am
> >> >> sorry
> >> >>
> >> >> Have you checked out these 3 alternatives at ArcObjects help (under
> >> >> extending arcobjects)?
> >> >> 1) Custom Layers
> >> >> 2) Plug in data sources
> >> >> 3) OGIS compliant OLE DB providers
> >> >>
> >> >> Plug in is not applicable (it is read only), but the other 2 are
> >> viable
> >> >> Custom Layers also from .NET I was investigating if also OGIS OLE DB
> >> >> could be developed in .NET (in the Help is written only VC++
realistic
> >> >> for implementation, but maybe this comment is obsolete now)
> >> >>
> >> >> in any case,
> >> >> congratulations for your great job, even if ZigGis do not write ;-)
> >> >>
> >> >> Paolo
> >> >>
> >> >>
> >> >>
> >> >> Abe Gillespie wrote:
> >> >> >
> >> >> > Sorry, zigGIS does not write. That, of course, is the "Holy
Grail"
> >> of
> >> >>
> >> >> > these efforts.
> >> >> >
> >> >> > -Abe
> >> >> >
> >> >> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
> >> >> >>
> >> >> >> Hello Joshua
> >> >> >> and thanks for the workaround, I will test it as ASAP It is very
> >> >> >> possibly that we could join to make some modification at ZigGis,
as
> >> >> >> far as I would like in my spare time to write a connector for
> >> PostGis
> >> >>
> >> >> >> for ArcMap.
> >> >> >> First I was looking at PgArc (I also migrated that at ArcObjects
> >> 9),
> >> >> >> but I think the best approach is like ZigGis does, without a
proxy
> >> >> >> shapefile, but directly reading the data.
> >> >> >> I have one more question, before going on.
> >> >> >> In this mailing list it was claimed, I think just from Abe, that
> >> >> >> ZigGis can read and also WRITE PostGis data. Is this correct?
> >> Because
> >> >>
> >> >> >> from what you are writing seems that ZigGis can just read and not
> >> >> >> write, and maybe I could be not interested in continuing using
> >> >> >> ZigGis.
> >> >> >> In fact I have decided to write in my spare time a full
Read/Write
> >> >> >> PostGis connector for ArcMap. But before doing that I would like
to
> >> >> >> deeply investigate if ZigGis already does the job.
> >> >> >>
> >> >> >> Best regards
> >> >> >> Paolo Corti
> >> >> >> http://www.paolocorti.net
> >> >> >>
> >> >> >>
> >> >> >> joshua.uyehara wrote:
> >> >> >> >
> >> >> >> > Hey Paolo,
> >> >> >> >
> >> >> >> > Abe isn't working on it anymore, but I have been occasionally
> >> >> >> > plugging away at it myself. The problem with adding the layer
in
> >> >> >> > ArcMap is due to a minor bug.
> >> >> >> >
> >> >> >> > ZigGIS pulls the geometry column data from PostGIS in its
native
> >> >> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
> >> >> >> > internal
> >> >> >> binary
> >> >> >> > format is not identical to the expected wkb format, so ArcMap
> >> >> >> > silently ignores it and basically treats the table as a
> >> >> >> > feature-less object class.
> >> >> >> >
> >> >> >> > One quick workaround is to create a view of the table that
> >> converts
> >> >>
> >> >> >> > the geometry column with asbinary(), and then manually add the
> >> >> >> > necessary entry to the geometry_columns table.
> >> >> >> >
> >> >> >> > E.g.,
> >> >> >> >
> >> >> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> >> >> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
> >> >> >> > geometry_columns (f_table_schema, f_table_name,
> >> f_geometry_column,
> >> >> >> > coord_dimension, srid, type) VALUES
> >> >> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
> >> >> >> > 'MULTIPOLYGON');
> >> >> >> >
> >> >> >> > Change schema, table, column names, srid, etc. to match your
> >> table,
> >> >> >> then
> >> >> >> > specify the view as the table to be opened with ZigGIS. It's
an
> >> >> >> > ugly kludge, but I haven't had the time to fix the problem in
> >> >> >> > ZigGIS itself yet.
> >> >> >> >
> >> >> >> > Many of the feature class functionality hasn't been implemented
> >> >> >> > yet, so you can't do much besides display the features. I'm
> >> >> >> > planning to add features to ZigGIS as I need them for work, but
I
> >> >> >> > can't give you any timelines on it, as I'm swamped with other
> >> stuff
> >> >> at the moment.
> >> >> >> >
> >> >> >> > Hope that helped,
> >> >> >> > Joshua Uyehara
> >> >> >> > joshua.uyehara at syngenta.com
> >> >> >> >
> >> >> >> > -----Original Message-----
> >> >> >> > From: postgis-users-bounces at postgis.refractions.net
> >> >> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On
Behalf
> >> Of
> >> >>
> >> >> >> > Paolo Corti
> >> >> >> > Sent: Monday, November 27, 2006 6:46 AM
> >> >> >> > To: postgis-users at postgis.refractions.net
> >> >> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
> >> >> >> >
> >> >> >> >
> >> >> >> > Hello Abe
> >> >> >> >
> >> >> >> > you made a great job with your ZigGis! The ArcObjects code is
> >> >> amazing!
> >> >> >> >
> >> >> >> > maybe you can give me a help
> >> >> >> > I compiled your code for using it with ArcGis 9 (i made some
> >> little
> >> >>
> >> >> >> > modifications at the code to get this) and .NET 2.0 It compiled
> >> >> >> > fine, but when I start ArcMap and I add a PostGIS layer, it
adds
> >> >> >> > the layer on the TOC but nothing is showed/drawed on the map.
> >> >> >> > Looks like geometries are not read from the shape column.
> >> >> >> > I am wondering if you are still on this project, and maybe you
> >> >> >> > could give me some help, or if I am on my own and must deeply
> >> >> >> > investigate/debug myself the code in order to find what is not
> >> >> >> > going properly
> >> >> >> >
> >> >> >> > best regards
> >> >> >> > Paolo Corti
> >> >> >> > GIS Developer
> >> >> >> > http://www.paolocorti.net
> >> >> >> >
> >> >> >> >
> >> >> >> > Abe Gillespie wrote:
> >> >> >> >>
> >> >> >> >> Sorry for the cross post, but the zigGIS list only has 9
> >> >> >> >> subscribers with a ton more downloads than that.
> >> >> >> >>
> >> >> >> >> I'm curious about any experiences people are having using or
> >> even
> >> >> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
> >> >> >> >> Any constructive criticism? ... I haven't heard a peep yet.
> >> >> >> >>
> >> >> >> >> Thanks.
> >> >> >> >> -Abe
> >> >> >> >> _______________________________________________
> >> >> >> >> postgis-users mailing list
> >> >> >> >> postgis-users at postgis.refractions.net
> >> >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >> >>
> >> >> >> >>
> >> >> >> >
> >> >> >> > --
> >> >> >> > View this message in context:
> >> >> >> >
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
> >> >> >> > 76 Sent from the PostGIS - User mailing list archive at
> >> Nabble.com.
> >> >> >> >
> >> >> >> > _______________________________________________
> >> >> >> > postgis-users mailing list
> >> >> >> > postgis-users at postgis.refractions.net
> >> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >> > _______________________________________________
> >> >> >> > postgis-users mailing list
> >> >> >> > postgis-users at postgis.refractions.net
> >> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >> >
> >> >> >> >
> >> >> >>
> >> >> >> --
> >> >> >> View this message in context:
> >> >> >>
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
> >> >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >> >>
> >> >> >> _______________________________________________
> >> >> >> postgis-users mailing list
> >> >> >> postgis-users at postgis.refractions.net
> >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >>
> >> >> > _______________________________________________
> >> >> > postgis-users mailing list
> >> >> > postgis-users at postgis.refractions.net
> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> >
> >> >> >
> >> >>
> >> >> --
> >> >> View this message in context:
> >> >>
http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
> >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >> >>
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >>
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >> _______________________________________________
> >> >> postgis-users mailing list
> >> >> postgis-users at postgis.refractions.net
> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >>
> >> > _______________________________________________
> >> > postgis-users mailing list
> >> > postgis-users at postgis.refractions.net
> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7595753
> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
> >> postgis-users mailing list
> >> postgis-users at postgis.refractions.net
> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> >>
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> >
>
> --
> View this message in context:
http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7600741
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From abe.gillespie at gmail.com Wed Nov 29 08:59:34 2006
From: abe.gillespie at gmail.com (Abe Gillespie)
Date: Wed, 29 Nov 2006 11:59:34 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <001801c713d5$db62de40$1e00a8c0@Bruce>
References: <a6d397e30611290711s70a2f437j92dc7279e35f510b@mail.gmail.com>
<001801c713d5$db62de40$1e00a8c0@Bruce>
Message-ID: <a6d397e30611290859i67880812y9829cf008b22d5f8@mail.gmail.com>
It seems people want to throw out zigGIS; not sure why there's
countless hours of good work invested in it. I've said before that
nearly all read-only functionality is already there. The only work
left is fixing a bug that was probably introduced in either the new
Npgsql or new ArcObjects, general code clean up, and perhaps creating
an installer.
The current zigGIS site does not have the latest code however. The
latest code targets ArcGIS 9.x and has support for saving PostGIS
layers to the current project. I've handed the code off to Joshua
Uyehara but I'm happy to send it to anyone who wants to *officially*
manage the project.
-Abe
On 11/29/06, Bruce Rindahl <rindahl at lrcwe.com> wrote:
> I would also be interested in testing /helping on this. I found the section
> on creating an OLE DB OGIS connection on ESRI's web site:
> http://edndoc.esri.com/arcobjects/9.1/ExtendingArcObjects/Ch07/OGISOleDbProv
> ider.htm
>
> I can't download the code - the link is broken. I can connect to
> Postgres/PostGIS and view the non-spatial tables. If an OLE DB connection
> could be available to at least read the data this would be a great start.
> Edits could then be done a suggested below - move to a shapefile then some
> kind of interface or toolbox to post the edits.
>
> Bruce
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Abe
> Gillespie
> Sent: Wednesday, November 29, 2006 8:11 AM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
>
> zigGIS in fact is not a custom layer. It's an entirely new
> FeatureClass with it's on FeatureWorkspace and all the other classes
> necessary to do this. This was done so that I COULD allow for
> editing. For whatever reason, though, ArcGIS always complains when I
> start an edit sessions on the PostGisWorkspace. I spent probably a
> month and a half trying to find what exactly it was that ArcGIS was
> looking for to consider my PostGisWorkspace as editable. You might
> even find an EDN question I posted about it and it garnered no useful
> feedback.
>
> Because of that problem, indeed, my intention was to do a sorta hybrid
> that you mention. The user would initiate a check-out of the shapes
> about to be edited. Those would quickly be exported as a true
> shapefile, shipped across the network, and stored to a temp location
> on the editor's machine. Once the edits were done, the shapefile
> would be shipped back across the network and imported in an
> intelligent way. The nice thing about this approach is the editing is
> occurring on a native shapefile with, obviously, native support.
>
> But I came on hard times and had to get a full time job and drop my
> consulting business. It sucks, but that's life. I would be happier
> than a clam if I could get zigGIS work funded!
>
> -Abe
>
> On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
> >
> > Hello Abe
> > I would with pleasure continue your work, but if -like it seems- there is
> > not chance from your custom layer implementation to get access to the
> ArcMap
> > editor tools (I also disagree with writing custom tools) why not to try
> the
> > other approach with OLE DB that -according to Esri- should let full
> > read/write environment (there is a sample OLE DB OGIS for personal GDB)?
> > Another approach could be to write an hybrid ZigGis/PgArc software: read
> > PostGis with ZigGis approach, and editing data with PgArc approach, in a
> > proxy shapefile fashion.
> > What I want to say i point maybe better with a sample: the user reads data
> > as a custom layer, when he decide to edit data, on the background, a
> > shapefile is created and the user can edit this proxy shape and then check
> > in the edit changes to PostGis when is over.
> > Let me know if you are interested in contributing with me to let ZigGis to
> > also write PostGis data
> > best regards
> > Paolo
> >
> >
> > Abe Gillespie wrote:
> > >
> > > Right, and one of my goals was to use the built-in ArcGIS editor since
> > > it has all the functionality needed AND is already familiar to the
> > > ESRI crowd.
> > >
> > > As far as the OLE DB provider ... I'm almost positive you can write a
> > > provider in C#. The main interop layer that ArcGIS uses is COM and C#
> > > speaks it fluently. It's just a matter of using the various .Net COM
> > > class attributes. However, there was some reason I discounted the OLE
> > > DB provider.
> > >
> > > Besides ... why not just piggy back on all the work that has already
> been
> > > done?
> > >
> > > -Abe
> > >
> > > On 11/29/06, Paolo Corti <pcorti at gmail.com> wrote:
> > >>
> > >> Yes looks like a limit of custom layers, according to Esri docs
> > >>
> > >> If you want to implement edit for custom layer looks like you have to
> > >> implement custom edit tool, there is a sample with xy file custom layer
> > >> on
> > >> ArcObjects on line for implementing custom layer editing tool. Having
> > >> said
> > >> that, from the other2 approaches: Plug in data source is read-only, so
> > >> the
> > >> only viable solution would remain OGIS OLE DB Providers, but looks like
> > >> it
> > >> is developable only with ATL c++
> > >>
> > >> I recall the approaches here:
> > >> 1) Custom Layers
> > >> 2) Plug in data sources
> > >> 3) OGIS compliant OLE DB providers
> > >>
> > >> best regards
> > >> Paolo Corti
> > >> http://www.paolocorti.net
> > >>
> > >>
> > >> Abe Gillespie wrote:
> > >> >
> > >> > I agree. And I even initially went down the route of a custom layer.
> > >> > I think it fell short right about when I started exploring editing
> > >> > capabilities ... IIRC it's not possible with a custom layer. I also
> > >> > explored the OLEDB data source and that had its restrictions
> somewhere
> > >> > too.
> > >> >
> > >> > -Abe
> > >> >
> > >> > On 11/28/06, joshua.uyehara at syngenta.com
> <joshua.uyehara at syngenta.com>
> > >> > wrote:
> > >> >> Of all of the approaches so far, ZigGIS is the conceptually the
> > >> >> 'cleanest', as it is going the route of a full feature class adapter
> > >> >> implementation (the custom layer approach), but it also requires the
> > >> >> greatest amount of work, as you have to eventually implement the
> > >> >> functionality exposed by about a dozen interfaces.
> > >> >>
> > >> >> pgArc is great for single users, but you run into problems when you
> > >> need
> > >> >> concurrent access, or relationships with other tables in your
> > >> database.
> > >> >> The same problems would plague the toolbox approach (which I assume
> > >> >> would basically be a front-end to shp2pgsql and pgsql2shp).
> > >> >>
> > >> >> That's not to say that the pgArc or toolbox approaches aren't worth
> > >> >> pursuing. They can probably meet some specific needs much faster
> than
> > >> >> ZigGIS will be able to.
> > >> >>
> > >> >> Joshua Uyehara
> > >> >> joshua.uyehara at syngenta.com
> > >> >> Office: +1 808 337 1408 ext 34
> > >> >> Cell: +1 808 346 5185
> > >> >>
> > >> >> -----Original Message-----
> > >> >> From: postgis-users-bounces at postgis.refractions.net
> > >> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> > >> >> Bruce Rindahl
> > >> >> Sent: Tuesday, November 28, 2006 9:34 AM
> > >> >> To: 'PostGIS Users Discussion'
> > >> >> Cc: 'Shaun Kolomeitz'; 'Tyler Mitchell'
> > >> >> Subject: RE: [postgis-users] RE: zigGIS Usage Experiences
> > >> >>
> > >> >> General discussion :)
> > >> >>
> > >> >> I am using pgArc for my PostGIS/ArcMap connection. It does both
> > >> >> read/write with some bugs. I hope to post the changes to 9.x soon
> on
> > >> >> the pgArc site.
> > >> >>
> > >> >> There is also another effort at:
> > >> >> http://datashare.gis.unbc.ca/transhape/
> > >> >> that uses a different approach.
> > >> >>
> > >> >> I looked at zigGIS and passed only because I don't program in C#.
> > >> >>
> > >> >> Finally, Would there be any interest in a ArcToolbox version of
> > >> >> PostGIS/ArcMap ?? I have done a lot of work on toolboxes and think
> I
> > >> >> could get a proof of concept going pretty soon. Advantages would be
> > >> >> Python as a scripting language, the GUI is drag and drop and the
> tools
> > >> >> could be modular (One for read, one for append, one for update,
> etc).
> > >> >> No compiling would be necessary and the scripts could be used in
> Model
> > >> >> Builder. Comments??
> > >> >>
> > >> >> Bruce Rindahl
> > >> >>
> > >> >> -----Original Message-----
> > >> >> From: postgis-users-bounces at postgis.refractions.net
> > >> >> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> > >> >> Paolo Corti
> > >> >> Sent: Tuesday, November 28, 2006 12:02 PM
> > >> >> To: postgis-users at postgis.refractions.net
> > >> >> Subject: Re: [postgis-users] RE: zigGIS Usage Experiences
> > >> >>
> > >> >>
> > >> >> Yes Abe
> > >> >> I have seen your 3ed at support.esri.com no one seemed to help you I
> > >> am
> > >> >> sorry
> > >> >>
> > >> >> Have you checked out these 3 alternatives at ArcObjects help (under
> > >> >> extending arcobjects)?
> > >> >> 1) Custom Layers
> > >> >> 2) Plug in data sources
> > >> >> 3) OGIS compliant OLE DB providers
> > >> >>
> > >> >> Plug in is not applicable (it is read only), but the other 2 are
> > >> viable
> > >> >> Custom Layers also from .NET I was investigating if also OGIS OLE DB
> > >> >> could be developed in .NET (in the Help is written only VC++
> realistic
> > >> >> for implementation, but maybe this comment is obsolete now)
> > >> >>
> > >> >> in any case,
> > >> >> congratulations for your great job, even if ZigGis do not write ;-)
> > >> >>
> > >> >> Paolo
> > >> >>
> > >> >>
> > >> >>
> > >> >> Abe Gillespie wrote:
> > >> >> >
> > >> >> > Sorry, zigGIS does not write. That, of course, is the "Holy
> Grail"
> > >> of
> > >> >>
> > >> >> > these efforts.
> > >> >> >
> > >> >> > -Abe
> > >> >> >
> > >> >> > On 11/28/06, Paolo Corti <pcorti at gmail.com> wrote:
> > >> >> >>
> > >> >> >> Hello Joshua
> > >> >> >> and thanks for the workaround, I will test it as ASAP It is very
> > >> >> >> possibly that we could join to make some modification at ZigGis,
> as
> > >> >> >> far as I would like in my spare time to write a connector for
> > >> PostGis
> > >> >>
> > >> >> >> for ArcMap.
> > >> >> >> First I was looking at PgArc (I also migrated that at ArcObjects
> > >> 9),
> > >> >> >> but I think the best approach is like ZigGis does, without a
> proxy
> > >> >> >> shapefile, but directly reading the data.
> > >> >> >> I have one more question, before going on.
> > >> >> >> In this mailing list it was claimed, I think just from Abe, that
> > >> >> >> ZigGis can read and also WRITE PostGis data. Is this correct?
> > >> Because
> > >> >>
> > >> >> >> from what you are writing seems that ZigGis can just read and not
> > >> >> >> write, and maybe I could be not interested in continuing using
> > >> >> >> ZigGis.
> > >> >> >> In fact I have decided to write in my spare time a full
> Read/Write
> > >> >> >> PostGis connector for ArcMap. But before doing that I would like
> to
> > >> >> >> deeply investigate if ZigGis already does the job.
> > >> >> >>
> > >> >> >> Best regards
> > >> >> >> Paolo Corti
> > >> >> >> http://www.paolocorti.net
> > >> >> >>
> > >> >> >>
> > >> >> >> joshua.uyehara wrote:
> > >> >> >> >
> > >> >> >> > Hey Paolo,
> > >> >> >> >
> > >> >> >> > Abe isn't working on it anymore, but I have been occasionally
> > >> >> >> > plugging away at it myself. The problem with adding the layer
> in
> > >> >> >> > ArcMap is due to a minor bug.
> > >> >> >> >
> > >> >> >> > ZigGIS pulls the geometry column data from PostGIS in its
> native
> > >> >> >> > binary format and passes it to ArcMap. Unfortunately, PostGIS'
> > >> >> >> > internal
> > >> >> >> binary
> > >> >> >> > format is not identical to the expected wkb format, so ArcMap
> > >> >> >> > silently ignores it and basically treats the table as a
> > >> >> >> > feature-less object class.
> > >> >> >> >
> > >> >> >> > One quick workaround is to create a view of the table that
> > >> converts
> > >> >>
> > >> >> >> > the geometry column with asbinary(), and then manually add the
> > >> >> >> > necessary entry to the geometry_columns table.
> > >> >> >> >
> > >> >> >> > E.g.,
> > >> >> >> >
> > >> >> >> > CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> > >> >> >> > geom_column, column2, column3, FROM geom_table; INSERT INTO
> > >> >> >> > geometry_columns (f_table_schema, f_table_name,
> > >> f_geometry_column,
> > >> >> >> > coord_dimension, srid, type) VALUES
> > >> >> >> > ('public', 'geom_table_view', 'geom_column', 2, -1,
> > >> >> >> > 'MULTIPOLYGON');
> > >> >> >> >
> > >> >> >> > Change schema, table, column names, srid, etc. to match your
> > >> table,
> > >> >> >> then
> > >> >> >> > specify the view as the table to be opened with ZigGIS. It's
> an
> > >> >> >> > ugly kludge, but I haven't had the time to fix the problem in
> > >> >> >> > ZigGIS itself yet.
> > >> >> >> >
> > >> >> >> > Many of the feature class functionality hasn't been implemented
> > >> >> >> > yet, so you can't do much besides display the features. I'm
> > >> >> >> > planning to add features to ZigGIS as I need them for work, but
> I
> > >> >> >> > can't give you any timelines on it, as I'm swamped with other
> > >> stuff
> > >> >> at the moment.
> > >> >> >> >
> > >> >> >> > Hope that helped,
> > >> >> >> > Joshua Uyehara
> > >> >> >> > joshua.uyehara at syngenta.com
> > >> >> >> >
> > >> >> >> > -----Original Message-----
> > >> >> >> > From: postgis-users-bounces at postgis.refractions.net
> > >> >> >> > [mailto:postgis-users-bounces at postgis.refractions.net] On
> Behalf
> > >> Of
> > >> >>
> > >> >> >> > Paolo Corti
> > >> >> >> > Sent: Monday, November 27, 2006 6:46 AM
> > >> >> >> > To: postgis-users at postgis.refractions.net
> > >> >> >> > Subject: Re: [postgis-users] zigGIS Usage Experiences
> > >> >> >> >
> > >> >> >> >
> > >> >> >> > Hello Abe
> > >> >> >> >
> > >> >> >> > you made a great job with your ZigGis! The ArcObjects code is
> > >> >> amazing!
> > >> >> >> >
> > >> >> >> > maybe you can give me a help
> > >> >> >> > I compiled your code for using it with ArcGis 9 (i made some
> > >> little
> > >> >>
> > >> >> >> > modifications at the code to get this) and .NET 2.0 It compiled
> > >> >> >> > fine, but when I start ArcMap and I add a PostGIS layer, it
> adds
> > >> >> >> > the layer on the TOC but nothing is showed/drawed on the map.
> > >> >> >> > Looks like geometries are not read from the shape column.
> > >> >> >> > I am wondering if you are still on this project, and maybe you
> > >> >> >> > could give me some help, or if I am on my own and must deeply
> > >> >> >> > investigate/debug myself the code in order to find what is not
> > >> >> >> > going properly
> > >> >> >> >
> > >> >> >> > best regards
> > >> >> >> > Paolo Corti
> > >> >> >> > GIS Developer
> > >> >> >> > http://www.paolocorti.net
> > >> >> >> >
> > >> >> >> >
> > >> >> >> > Abe Gillespie wrote:
> > >> >> >> >>
> > >> >> >> >> Sorry for the cross post, but the zigGIS list only has 9
> > >> >> >> >> subscribers with a ton more downloads than that.
> > >> >> >> >>
> > >> >> >> >> I'm curious about any experiences people are having using or
> > >> even
> > >> >> >> >> *trying* to use zigGIS. Is it working? Anyone need any help?
> > >> >> >> >> Any constructive criticism? ... I haven't heard a peep yet.
> > >> >> >> >>
> > >> >> >> >> Thanks.
> > >> >> >> >> -Abe
> > >> >> >> >> _______________________________________________
> > >> >> >> >> postgis-users mailing list
> > >> >> >> >> postgis-users at postgis.refractions.net
> > >> >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >> >> >>
> > >> >> >> >>
> > >> >> >> >
> > >> >> >> > --
> > >> >> >> > View this message in context:
> > >> >> >> >
> > >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a75632
> > >> >> >> > 76 Sent from the PostGIS - User mailing list archive at
> > >> Nabble.com.
> > >> >> >> >
> > >> >> >> > _______________________________________________
> > >> >> >> > postgis-users mailing list
> > >> >> >> > postgis-users at postgis.refractions.net
> > >> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >> >> > _______________________________________________
> > >> >> >> > postgis-users mailing list
> > >> >> >> > postgis-users at postgis.refractions.net
> > >> >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >> >> >
> > >> >> >> >
> > >> >> >>
> > >> >> >> --
> > >> >> >> View this message in context:
> > >> >> >>
> > >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585042
> > >> >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> > >> >> >>
> > >> >> >> _______________________________________________
> > >> >> >> postgis-users mailing list
> > >> >> >> postgis-users at postgis.refractions.net
> > >> >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >> >>
> > >> >> > _______________________________________________
> > >> >> > postgis-users mailing list
> > >> >> > postgis-users at postgis.refractions.net
> > >> >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >> >
> > >> >> >
> > >> >>
> > >> >> --
> > >> >> View this message in context:
> > >> >>
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7585331
> > >> >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> > >> >>
> > >> >> _______________________________________________
> > >> >> postgis-users mailing list
> > >> >> postgis-users at postgis.refractions.net
> > >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >>
> > >> >>
> > >> >>
> > >> >> _______________________________________________
> > >> >> postgis-users mailing list
> > >> >> postgis-users at postgis.refractions.net
> > >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >> _______________________________________________
> > >> >> postgis-users mailing list
> > >> >> postgis-users at postgis.refractions.net
> > >> >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >>
> > >> > _______________________________________________
> > >> > postgis-users mailing list
> > >> > postgis-users at postgis.refractions.net
> > >> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >> >
> > >> >
> > >>
> > >> --
> > >> View this message in context:
> > >> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7595753
> > >> Sent from the PostGIS - User mailing list archive at Nabble.com.
> > >>
> > >> _______________________________________________
> > >> postgis-users mailing list
> > >> postgis-users at postgis.refractions.net
> > >> http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >>
> > > _______________________________________________
> > > postgis-users mailing list
> > > postgis-users at postgis.refractions.net
> > > http://postgis.refractions.net/mailman/listinfo/postgis-users
> > >
> > >
> >
> > --
> > View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7600741
> > Sent from the PostGIS - User mailing list archive at Nabble.com.
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-users
> >
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From pcorti at gmail.com Wed Nov 29 09:20:45 2006
From: pcorti at gmail.com (Paolo Corti)
Date: Wed, 29 Nov 2006 09:20:45 -0800 (PST)
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
References: <a6d397e30512071116t36ac22e8sd3cf313e77a2e728@mail.gmail.com>
<7563276.post@talk.nabble.com>
<FC865F8C89A81F4CB8AC6ED7A033D78D34539A@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Message-ID: <7601908.post@talk.nabble.com>
Hello Joshua
I tried what you suggested (I also added the GID field in the view, it
caused an error).
But ZigGis goes in error when is adding layer, specifically at this line of
code:
doc.AddLayer(layer);
the error i get is AccessViolationExpection
did you also try using ZigGis with ArcMap 9.0 ?
in any case thank you for helping me, i will investigate more deeply and if
i get into some resolution I will drop a note here
best regards
Paolo
joshua.uyehara wrote:
>
> Hey Paolo,
>
> Abe isn't working on it anymore, but I have been occasionally plugging
> away at it myself. The problem with adding the layer in ArcMap is due
> to a minor bug.
>
> ZigGIS pulls the geometry column data from PostGIS in its native binary
> format and passes it to ArcMap. Unfortunately, PostGIS' internal binary
> format is not identical to the expected wkb format, so ArcMap silently
> ignores it and basically treats the table as a feature-less object
> class.
>
> One quick workaround is to create a view of the table that converts the
> geometry column with asbinary(), and then manually add the necessary
> entry to the geometry_columns table.
>
> E.g.,
>
> CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> geom_column, column2, column3, FROM geom_table;
> INSERT INTO geometry_columns (f_table_schema, f_table_name,
> f_geometry_column, coord_dimension, srid, type) VALUES
> ('public', 'geom_table_view', 'geom_column', 2, -1,
> 'MULTIPOLYGON');
>
> Change schema, table, column names, srid, etc. to match your table, then
> specify the view as the table to be opened with ZigGIS. It's an ugly
> kludge, but I haven't had the time to fix the problem in ZigGIS itself
> yet.
>
> Many of the feature class functionality hasn't been implemented yet, so
> you can't do much besides display the features. I'm planning to add
> features to ZigGIS as I need them for work, but I can't give you any
> timelines on it, as I'm swamped with other stuff at the moment.
>
> Hope that helped,
> Joshua Uyehara
> joshua.uyehara at syngenta.com
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Paolo Corti
> Sent: Monday, November 27, 2006 6:46 AM
> To: postgis-users at postgis.refractions.net
> Subject: Re: [postgis-users] zigGIS Usage Experiences
>
>
> Hello Abe
>
> you made a great job with your ZigGis! The ArcObjects code is amazing!
>
> maybe you can give me a help
> I compiled your code for using it with ArcGis 9 (i made some little
> modifications at the code to get this) and .NET 2.0 It compiled fine,
> but when I start ArcMap and I add a PostGIS layer, it adds the layer on
> the TOC but nothing is showed/drawed on the map.
> Looks like geometries are not read from the shape column.
> I am wondering if you are still on this project, and maybe you could
> give me some help, or if I am on my own and must deeply
> investigate/debug myself the code in order to find what is not going
> properly
>
> best regards
> Paolo Corti
> GIS Developer
> http://www.paolocorti.net
>
>
> Abe Gillespie wrote:
>>
>> Sorry for the cross post, but the zigGIS list only has 9 subscribers
>> with a ton more downloads than that.
>>
>> I'm curious about any experiences people are having using or even
>> *trying* to use zigGIS. Is it working? Anyone need any help? Any
>> constructive criticism? ... I haven't heard a peep yet.
>>
>> Thanks.
>> -Abe
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>>
>
> --
> View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context: http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7601908
Sent from the PostGIS - User mailing list archive at Nabble.com.
From joshua.uyehara at syngenta.com Wed Nov 29 10:22:39 2006
From: joshua.uyehara at syngenta.com (joshua.uyehara at syngenta.com)
Date: Wed, 29 Nov 2006 13:22:39 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
Message-ID: <FC865F8C89A81F4CB8AC6ED7A033D78D37615C@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Hey Paolo,
I'm using ArcGIS Desktop 9.1. As Abe mentioned, however, I'm also using
a later snapshot of ZigGIS.
I had also gone and updated the publicly available ZigGIS to the 9.0
ArcObjects model before receiving the latest version of ZigGIS from Abe,
but I never tested that version with the workaround that I outlined.
I'll email you a copy of the latest snapshot from Abe so that you can
see if you have any better luck with it.
Joshua Uyehara
joshua.uyehara at syngenta.com
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
Paolo Corti
Sent: Wednesday, November 29, 2006 7:21 AM
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] RE: zigGIS Usage Experiences
Hello Joshua
I tried what you suggested (I also added the GID field in the view, it
caused an error).
But ZigGis goes in error when is adding layer, specifically at this line
of
code:
doc.AddLayer(layer);
the error i get is AccessViolationExpection
did you also try using ZigGis with ArcMap 9.0 ?
in any case thank you for helping me, i will investigate more deeply and
if i get into some resolution I will drop a note here
best regards
Paolo
joshua.uyehara wrote:
>
> Hey Paolo,
>
> Abe isn't working on it anymore, but I have been occasionally plugging
> away at it myself. The problem with adding the layer in ArcMap is due
> to a minor bug.
>
> ZigGIS pulls the geometry column data from PostGIS in its native
> binary format and passes it to ArcMap. Unfortunately, PostGIS'
> internal binary format is not identical to the expected wkb format, so
> ArcMap silently ignores it and basically treats the table as a
> feature-less object class.
>
> One quick workaround is to create a view of the table that converts
> the geometry column with asbinary(), and then manually add the
> necessary entry to the geometry_columns table.
>
> E.g.,
>
> CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
> geom_column, column2, column3, FROM geom_table; INSERT INTO
> geometry_columns (f_table_schema, f_table_name, f_geometry_column,
> coord_dimension, srid, type) VALUES
> ('public', 'geom_table_view', 'geom_column', 2, -1,
'MULTIPOLYGON');
>
> Change schema, table, column names, srid, etc. to match your table,
> then specify the view as the table to be opened with ZigGIS. It's an
> ugly kludge, but I haven't had the time to fix the problem in ZigGIS
> itself yet.
>
> Many of the feature class functionality hasn't been implemented yet,
> so you can't do much besides display the features. I'm planning to
> add features to ZigGIS as I need them for work, but I can't give you
> any timelines on it, as I'm swamped with other stuff at the moment.
>
> Hope that helped,
> Joshua Uyehara
> joshua.uyehara at syngenta.com
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Paolo Corti
> Sent: Monday, November 27, 2006 6:46 AM
> To: postgis-users at postgis.refractions.net
> Subject: Re: [postgis-users] zigGIS Usage Experiences
>
>
> Hello Abe
>
> you made a great job with your ZigGis! The ArcObjects code is amazing!
>
> maybe you can give me a help
> I compiled your code for using it with ArcGis 9 (i made some little
> modifications at the code to get this) and .NET 2.0 It compiled fine,
> but when I start ArcMap and I add a PostGIS layer, it adds the layer
> on the TOC but nothing is showed/drawed on the map.
> Looks like geometries are not read from the shape column.
> I am wondering if you are still on this project, and maybe you could
> give me some help, or if I am on my own and must deeply
> investigate/debug myself the code in order to find what is not going
> properly
>
> best regards
> Paolo Corti
> GIS Developer
> http://www.paolocorti.net
>
>
> Abe Gillespie wrote:
>>
>> Sorry for the cross post, but the zigGIS list only has 9 subscribers
>> with a ton more downloads than that.
>>
>> I'm curious about any experiences people are having using or even
>> *trying* to use zigGIS. Is it working? Anyone need any help? Any
>> constructive criticism? ... I haven't heard a peep yet.
>>
>> Thanks.
>> -Abe
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>>
>
> --
> View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
>
--
View this message in context:
http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7601908
Sent from the PostGIS - User mailing list archive at Nabble.com.
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
From robtester at gmail.com Wed Nov 29 14:49:26 2006
From: robtester at gmail.com (Rob Tester)
Date: Wed, 29 Nov 2006 15:49:26 -0700
Subject: [postgis-users] Intersection errors out with null directed edge
Message-ID: <032201c71408$a0fbaa10$7203a8c0@susa.local>
The intersection of these two polygons creates an error.
NOTICE: AssertionFailedException: EdgeRing::computePoints: found null Directed Edge
ERROR: GEOS Intersection() threw an error!
Poly 1:
"MULTIPOLYGON(((-112.237615 33.491154,-112.237614 33.490469,-112.237752 33.490529,-112.23774 33.494274,-112.235109 33.494339,-112.235109 33.494222,-112.233468 33.494258,-112.233631 33.491873,-112.236704 33.491169,-112.237615 33.491154)),((-112.237137 33.506662,-112.237111 33.505964,-112.236836 33.505292,-112.235281 33.503124,-112.23644 33.502654,-112.237714 33.502702,-112.237695 33.50665,-112.237137 33.506662)),((-112.236804 33.501624,-112.236731 33.501185,-112.234285 33.501218,-112.234295 33.499851,-112.237725 33.499804,-112.237714 33.501536,-112.236804 33.501624)))"
Poly 2:
"POLYGON((-112.235266 33.502267,-112.234309 33.502505,-112.234451 33.501985,-112.234479 33.501868,-112.234509 33.501141,-112.236709 33.501141,-112.236909 33.501541,-112.235687 33.502032,-112.235266 33.502267))"
I have the following versions installed:
"POSTGIS="1.1.5" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.4.9, 29 Oct 2004"
USE_STATS"
I believe this may be related to creating a self intersecting poly during the intersection.
Any thoughts on how to get around this? (other than nudge the point because, I am sure to find others out of the millions of polys that I am working with, that would cause a similar problem)
Thanks,
Rob.
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From carl.anderson at vadose.org Wed Nov 29 15:10:31 2006
From: carl.anderson at vadose.org (Carl Anderson)
Date: Wed, 29 Nov 2006 18:10:31 -0500
Subject: [postgis-users] RE: zigGIS Usage Experiences
In-Reply-To: <FC865F8C89A81F4CB8AC6ED7A033D78D37615C@usarmsxmb02.NAFTA.SYNGENTA.ORG>
References: <FC865F8C89A81F4CB8AC6ED7A033D78D37615C@usarmsxmb02.NAFTA.SYNGENTA.ORG>
Message-ID: <456E1367.3060108@vadose.org>
Joshua,
would you mind send such an email to me as well. I had been very
interested in ZigGIS but I could never get it to work with ArcGIS 9.1
C.
carl.anderson at vadose.org
joshua.uyehara at syngenta.com wrote:
> Hey Paolo,
>
> I'm using ArcGIS Desktop 9.1. As Abe mentioned, however, I'm also using
> a later snapshot of ZigGIS.
>
> I had also gone and updated the publicly available ZigGIS to the 9.0
> ArcObjects model before receiving the latest version of ZigGIS from Abe,
> but I never tested that version with the workaround that I outlined.
>
> I'll email you a copy of the latest snapshot from Abe so that you can
> see if you have any better luck with it.
>
> Joshua Uyehara
> joshua.uyehara at syngenta.com
>
> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net
> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
> Paolo Corti
> Sent: Wednesday, November 29, 2006 7:21 AM
> To: postgis-users at postgis.refractions.net
> Subject: [postgis-users] RE: zigGIS Usage Experiences
>
>
> Hello Joshua
> I tried what you suggested (I also added the GID field in the view, it
> caused an error).
> But ZigGis goes in error when is adding layer, specifically at this line
> of
> code:
>
> doc.AddLayer(layer);
>
> the error i get is AccessViolationExpection
>
> did you also try using ZigGis with ArcMap 9.0 ?
>
> in any case thank you for helping me, i will investigate more deeply and
> if i get into some resolution I will drop a note here
>
> best regards
> Paolo
>
>
> joshua.uyehara wrote:
>
>> Hey Paolo,
>>
>> Abe isn't working on it anymore, but I have been occasionally plugging
>>
>
>
>> away at it myself. The problem with adding the layer in ArcMap is due
>>
>
>
>> to a minor bug.
>>
>> ZigGIS pulls the geometry column data from PostGIS in its native
>> binary format and passes it to ArcMap. Unfortunately, PostGIS'
>> internal binary format is not identical to the expected wkb format, so
>>
>
>
>> ArcMap silently ignores it and basically treats the table as a
>> feature-less object class.
>>
>> One quick workaround is to create a view of the table that converts
>> the geometry column with asbinary(), and then manually add the
>> necessary entry to the geometry_columns table.
>>
>> E.g.,
>>
>> CREATE VIEW geom_table_view AS SELECT asbinary(geom_column) as
>> geom_column, column2, column3, FROM geom_table; INSERT INTO
>> geometry_columns (f_table_schema, f_table_name, f_geometry_column,
>> coord_dimension, srid, type) VALUES
>> ('public', 'geom_table_view', 'geom_column', 2, -1,
>>
> 'MULTIPOLYGON');
>
>> Change schema, table, column names, srid, etc. to match your table,
>> then specify the view as the table to be opened with ZigGIS. It's an
>> ugly kludge, but I haven't had the time to fix the problem in ZigGIS
>> itself yet.
>>
>> Many of the feature class functionality hasn't been implemented yet,
>> so you can't do much besides display the features. I'm planning to
>> add features to ZigGIS as I need them for work, but I can't give you
>> any timelines on it, as I'm swamped with other stuff at the moment.
>>
>> Hope that helped,
>> Joshua Uyehara
>> joshua.uyehara at syngenta.com
>>
>> -----Original Message-----
>> From: postgis-users-bounces at postgis.refractions.net
>> [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
>> Paolo Corti
>> Sent: Monday, November 27, 2006 6:46 AM
>> To: postgis-users at postgis.refractions.net
>> Subject: Re: [postgis-users] zigGIS Usage Experiences
>>
>>
>> Hello Abe
>>
>> you made a great job with your ZigGis! The ArcObjects code is amazing!
>>
>> maybe you can give me a help
>> I compiled your code for using it with ArcGis 9 (i made some little
>> modifications at the code to get this) and .NET 2.0 It compiled fine,
>> but when I start ArcMap and I add a PostGIS layer, it adds the layer
>> on the TOC but nothing is showed/drawed on the map.
>> Looks like geometries are not read from the shape column.
>> I am wondering if you are still on this project, and maybe you could
>> give me some help, or if I am on my own and must deeply
>> investigate/debug myself the code in order to find what is not going
>> properly
>>
>> best regards
>> Paolo Corti
>> GIS Developer
>> http://www.paolocorti.net
>>
>>
>> Abe Gillespie wrote:
>>
>>> Sorry for the cross post, but the zigGIS list only has 9 subscribers
>>> with a ton more downloads than that.
>>>
>>> I'm curious about any experiences people are having using or even
>>> *trying* to use zigGIS. Is it working? Anyone need any help? Any
>>> constructive criticism? ... I haven't heard a peep yet.
>>>
>>> Thanks.
>>> -Abe
>>> _______________________________________________
>>> postgis-users mailing list
>>> postgis-users at postgis.refractions.net
>>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>>
>>>
>>>
>> --
>> View this message in context:
>> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7563276
>> Sent from the PostGIS - User mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at postgis.refractions.net
>> http://postgis.refractions.net/mailman/listinfo/postgis-users
>>
>>
>>
>
> --
> View this message in context:
> http://www.nabble.com/zigGIS-Usage-Experiences-tf696976.html#a7601908
> Sent from the PostGIS - User mailing list archive at Nabble.com.
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
From craigfeuerherdt at gmail.com Wed Nov 29 19:26:27 2006
From: craigfeuerherdt at gmail.com (Craig Feuerherdt)
Date: Thu, 30 Nov 2006 14:26:27 +1100
Subject: [postgis-users] Removing Interior Rings
Message-ID: <442163630611291926y24118f59mde2891780c932898@mail.gmail.com>
I am attempting to simplify a series of polygons by buffering them and then
unioning the buffers together (sql below).
This works fine however, in some instances, there are interior rings (holes)
which I would like to remove.
I have tried Segmentize, but it failed to remove the interior rings.
Any suggestions would be appreciated.
Craig
create table orienteering_test with oids as
select geomunion(buffer(the_geom,0.0005)) as the_geom
from orienteering_all
where map_name = 'Tarrengower'
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From mike at fuhr.org Wed Nov 29 23:49:26 2006
From: mike at fuhr.org (Michael Fuhr)
Date: Thu, 30 Nov 2006 00:49:26 -0700
Subject: [postgis-users] Removing Interior Rings
In-Reply-To: <442163630611291926y24118f59mde2891780c932898@mail.gmail.com>
References: <442163630611291926y24118f59mde2891780c932898@mail.gmail.com>
Message-ID: <20061130074926.GA85377@winnie.fuhr.org>
On Thu, Nov 30, 2006 at 02:26:27PM +1100, Craig Feuerherdt wrote:
> I am attempting to simplify a series of polygons by buffering them and then
> unioning the buffers together (sql below).
> This works fine however, in some instances, there are interior rings (holes)
> which I would like to remove.
> I have tried Segmentize, but it failed to remove the interior rings.
Have you tried exteriorring() to get the exterior ring as a LINESTRING
and makepolygon() to turn it back into a POLYGON?
--
Michael Fuhr
From strk at refractions.net Thu Nov 30 09:51:52 2006
From: strk at refractions.net (strk at refractions.net)
Date: Thu, 30 Nov 2006 18:51:52 +0100
Subject: [postgis-users] Intersection errors out with null directed edge
In-Reply-To: <032201c71408$a0fbaa10$7203a8c0@susa.local>
References: <032201c71408$a0fbaa10$7203a8c0@susa.local>
Message-ID: <20061130175152.GN15972@keybit.net>
On Wed, Nov 29, 2006 at 03:49:26PM -0700, Rob Tester wrote:
>
> NOTICE: AssertionFailedException: EdgeRing::computePoints: found null Directed Edge
...
> I have the following versions installed:
>
> "POSTGIS="1.1.5" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.4.9, 29 Oct 2004"
> USE_STATS"
GEOS 3.0.0 should many such cases, it's still in release candidate,
but worth a try.
--strk;
From sandeepkumar.jakkaraju at gmail.com Thu Nov 30 16:08:49 2006
From: sandeepkumar.jakkaraju at gmail.com (Sandeep Kumar Jakkaraju)
Date: Fri, 1 Dec 2006 05:38:49 +0530
Subject: [postgis-users] Spatial Queries on Postgis Java Geometry classes
Message-ID: <c653c98f0611301608w18cf33eaweffb65e50e2009b@mail.gmail.com>
Hi All
If i am correct !! all the spatial queries are done on the geometry objects
..in the table ..
For example:-
I have a table ..which has a geometry column which of type say POLYGON
...say bounds
I want to write a spatial query ..
select * from table where intersects (GEOMFROMTEXT('POINT(0 0)'),bounds);
but if some one is using Hibernate with Postgis ... I have to run this as a
native sql query ..
BUT has anyone worked on Postgis ..Geometry Java CLass ..so that ..i can run
a createria query
like
"from Tiles t where t.bounds.intersects('POINT(0 0)')";
if someone thinks it is worthwhile to work on .. i would like to work on it
..
thanx ...
sandeep
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From robtester at gmail.com Thu Nov 30 16:12:19 2006
From: robtester at gmail.com (Rob Tester)
Date: Thu, 30 Nov 2006 17:12:19 -0700
Subject: [postgis-users] Intersection errors out with null directed edge
References: <032201c71408$a0fbaa10$7203a8c0@susa.local>
<20061130175152.GN15972@keybit.net>
Message-ID: <001501c714dd$5fa5fc70$7203a8c0@susa.local>
This fixed some of the problems I still have other sets of geometries with
the same problem. Will know more tomorrow on which ones are causing the
problem.
Also the 3.0.0rc2 would not build for windows with MingW and Msys. It fails
with a link error. Building on Debian worked fine.
Rob.
----- Original Message -----
From: <strk at refractions.net>
To: "PostGIS Users Discussion" <postgis-users at postgis.refractions.net>
Sent: Thursday, November 30, 2006 10:51 AM
Subject: Re: [postgis-users] Intersection errors out with null directed edge
> On Wed, Nov 29, 2006 at 03:49:26PM -0700, Rob Tester wrote:
>>
>> NOTICE: AssertionFailedException: EdgeRing::computePoints: found null
>> Directed Edge
> ...
>
>> I have the following versions installed:
>>
>> "POSTGIS="1.1.5" GEOS="2.2.3-CAPI-1.1.1" PROJ="Rel. 4.4.9, 29 Oct 2004"
>> USE_STATS"
>
> GEOS 3.0.0 should many such cases, it's still in release candidate,
> but worth a try.
>
> --strk;
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> postgis-users at postgis.refractions.net
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