[Qgis-user] NumericalDigitize and TraceDigitize

Dario darioqn at yahoo.com.br
Mon Nov 15 04:40:06 PST 2010


How to download NumericalDigitize and  TraceDigitize?




________________________________
De: "qgis-user-request at lists.osgeo.org" <qgis-user-request at lists.osgeo.org>
Para: qgis-user at lists.osgeo.org
Enviadas: Segunda-feira, 15 de Novembro de 2010 1:07:33
Assunto: Qgis-user Digest, Vol 57, Issue 21

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Today's Topics:

  1. PostGIS viewer -PgAdmin plugin (Ivan Mincik)
  2. Re: two little new plugins (Ivan Mincik)
  3. Re: two little new plugins (Paolo Cavallini)
  4. Re: qgis oracle connection (Arto Vuorela)
  5. AW: [Qgis-user] two little new plugins (M?ri Cedric)
  6. Re: AW: [Qgis-user] two little new plugins (Paolo Cavallini)
  7. help me isolines;; (Rodrigo Moreira Maia)
  8. Re: help me isolines;; (Alex Mandel)
  9. Re: using manageR (Kumaran Narayanaswamy)


----------------------------------------------------------------------

Message: 1
Date: Sun, 14 Nov 2010 18:48:59 +0100
From: Ivan Mincik <ivan.mincik at gista.sk>
Subject: [Qgis-user] PostGIS viewer -PgAdmin plugin
To: qgis-user <qgis-user at lists.osgeo.org>
Message-ID: <4CE0210B.7070709 at gista.sk>
Content-Type: text/plain; charset="utf-8"

Hi,
I have created small standalone QGIS app, which I use as PgAdmin plugin 
to visualize my PostGIS layers.

If anybody interested, You can download it here: 
https://github.com/imincik/QgsPostGIS-Viewer
How to use it, look for __doc__ string at the very beginning of the file 
or run it without any arguments.

-- 
Ivan Mincik, Gista s.r.o.

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Message: 2
Date: Sun, 14 Nov 2010 18:50:06 +0100
From: Ivan Mincik <ivan.mincik at gista.sk>
Subject: Re: [Qgis-user] two little new plugins
To: M?ri Cedric <Cedric.Moeri at bd.so.ch>,    qgis-user
    <qgis-user at lists.osgeo.org>
Message-ID: <4CE0214E.3000703 at gista.sk>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 11/14/2010 05:39 PM, Möri Cedric wrote:
> Hi list
>
> I just released two little plugins: traceDigitize and numericalDigitize. Both 
>work on vector layers which are in edit mode.
>
> NumericalDigitize just opens a dialog with a table where you may enter 
>x/y-values. After clicking ok, it will add a feature to your vectorlayer. The 
>type of the feature is according to your layertype (point,line or polygon).
>
>  works only for line and polygon layers. It allows to digitize new features by 
>following existing lines or polygon boundaries. The tool will add all vertex 
>points, that are in snapping distance of the cursor. Just press ctrl key while 
>moving the mouse. If control isn't pressed, it is just like the normal digitize 
>tool. Don't forget to set the (background) snapping options, as the tool needs 
>them.
>

Perfect, thanks a lot for sharing.

-- 
Ivan Mincik, Gista s.r.o.



------------------------------

Message: 3
Date: Sun, 14 Nov 2010 19:20:23 +0100
From: Paolo Cavallini <cavallini at faunalia.it>
Subject: Re: [Qgis-user] two little new plugins
To: qgis-user at lists.osgeo.org
Message-ID: <4CE02867.1090505 at faunalia.it>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Il 14/11/2010 17:39, Möri Cedric ha scritto:

> TraceDigitize works only for line and polygon layers. It allows to
> digitize new features by following existing lines or polygon
> boundaries. The tool will add all vertex points, that are in snapping
> distance of the cursor. Just press ctrl key while moving the mouse.
> If control isn't pressed, it is just like the normal digitize tool.
> Don't forget to set the (background) snapping options, as the tool
> needs them.

Quite nice. Beware though that it is very easy to generate invalid 
geometries this way, and get a free crash as a consequence:
Error:
        GDAL Error 1: Attempt to read shape with feature id (-2) out of 
available range.
Segmentation fault
Thanks a lot.
-- 
http://www.faunalia.it/pc


------------------------------

Message: 4
Date: Sun, 14 Nov 2010 12:41:39 -0800 (PST)
From: Arto Vuorela <arto.k.vuorela at gmail.com>
Subject: [Qgis-user] Re: qgis oracle connection
To: qgis-user at lists.osgeo.org
Message-ID: <1289767299610-5738215.post at n2.nabble.com>
Content-Type: text/plain; charset=us-ascii


https://trac.osgeo.org/qgis/ticket/2026#comment:2 says that the connection
should be fixed by now. (Is it about OGR for Oracle Spatial especially and
relates with Oracle (OCI) library, see http://www.gdal.org/ogr/ and
http://www.gdal.org/ogr/drv_oci.html?)

http://forum.qgis.org/viewtopic.php?f=2&t=6147 says that you can get the
OSGeo4W installer (online installer for windows - xp, vista, 7) from the
QGIS website http://www.qgis.org/wiki/Download#OSGeo4W_Installer. Run it and
choose "advanced installation". From desktop section choose qgis-dev. (From
GRASS, some package seems to come along that.) Then open that
...\download.osgeo.org%2fosgeo4w\release\qgis\qgis-devqgis-dev-1.7.0-4.tar.
There is at least the apps\qgis-dec\plugins\oracleplugin.dll file.
Any other ODBC or OGR related thing needed from there? How to use these -
just put the dll in some QGIS subfolder, or is there a need to compile? Is
the Oracle Spatial license always needed?


-- 
View this message in context: 
http://osgeo-org.1803224.n2.nabble.com/qgis-oracle-connection-tp2038299p5738215.html

Sent from the qgis-user mailing list archive at Nabble.com.


------------------------------

Message: 5
Date: Sun, 14 Nov 2010 22:08:21 +0100
From: M?ri Cedric <Cedric.Moeri at bd.so.ch>
Subject: AW: [Qgis-user] two little new plugins
To: qgis-user at lists.osgeo.org
Message-ID:
    <1241553584.141289768901519.JavaMail.root at srsofaioi13477.ktso.ch>
Content-Type: text/plain;    charset="iso-8859-1"

Hi Paolo

you're right about the invalid geometries. I try to put a warning in the tool, 
to tell you that there is problem in the geometry. Doing this I stumbeld over a 
bug in the Rubberband class, so it will take some work to be done (hopefully by 
Juergen). As there are other issues as well, I marked the plugin as experimental 
for now.

regards
Cédric 


mit freundlichen Grüssen

Cédric Möri
GIS-Informatiker

--
Kanton Solothurn
Bau- und Justizdepartement
Amt für Geoinformation
Rötistrasse 4
4501 Solothurn

Telefon: +41 (0)32 627 24 75
Telefax: +41 (0)32 627 22 14
mailto:cedric.moeri at bd.so.ch
http://www.agi.so.ch


----- Originalnachricht -----
Von: "Paolo Cavallini" <cavallini at faunalia.it>
Gesendet: Son, 14.11.2010 19:20
An: qgis-user at lists.osgeo.org
Betreff: Re: [Qgis-user] two little new plugins

Il 14/11/2010 17:39, Möri Cedric ha scritto:

> TraceDigitize works only for line and polygon layers. It allows to
> digitize new features by following existing lines or polygon
> boundaries. The tool will add all vertex points, that are in snapping
> distance of the cursor. Just press ctrl key while moving the mouse.
> If control isn't pressed, it is just like the normal digitize tool.
> Don't forget to set the (background) snapping options, as the tool
> needs them.

Quite nice. Beware though that it is very easy to generate invalid 
geometries this way, and get a free crash as a consequence:
Error:
        GDAL Error 1: Attempt to read shape with feature id (-2) out of 
available range.
Segmentation fault
Thanks a lot.
-- 
http://www.faunalia.it/pc
_______________________________________________
Qgis-user mailing list
Qgis-user at lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/qgis-user


------------------------------

Message: 6
Date: Sun, 14 Nov 2010 22:13:36 +0100
From: Paolo Cavallini <cavallini at faunalia.it>
Subject: Re: AW: [Qgis-user] two little new plugins
To: qgis-user at lists.osgeo.org
Message-ID: <4CE05100.1040600 at faunalia.it>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Il 14/11/2010 22:08, Möri Cedric ha scritto:
> Hi Paolo
>
> you're right about the invalid geometries. I try to put a warning in the tool, 
>to tell you that there is problem in the geometry. Doing this I stumbeld over a 
>bug in the Rubberband class, so it will take some work to be done (hopefully by 
>Juergen). As there are other issues as well, I marked the plugin as experimental 
>for now.

Thanks for the prompt reaction.
Anyway, the problem is absolutely general: digitizing invalid geometries 
is easy (perhaps a little easier with automatic digitizing like your 
plugin), and currently crashes qgis rather easily.
So anything that prevents invalid geometries (or corrects them before 
committing) is welcome, as it is some crash-prevention mechanism.
All the best.
-- 
http://www.faunalia.it/pc


------------------------------

Message: 7
Date: Sun, 14 Nov 2010 23:21:24 -0200
From: Rodrigo Moreira Maia <operigoso at ig.com.br>
Subject: [Qgis-user] help me isolines;;
To: qgis-user at lists.osgeo.org
Message-ID:
    <AANLkTi=kJ1WBmxRNRj+f8m7R1Lf=qMgaAxYqJq_EUr2U at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Hi !! i need create isolines in qgis, using a shape file points..

tanks ..
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Message: 8
Date: Sun, 14 Nov 2010 18:08:51 -0800
From: Alex Mandel <tech_dev at wildintellect.com>
Subject: Re: [Qgis-user] help me isolines;;
To: qgis-user at lists.osgeo.org
Message-ID: <4CE09633.9040400 at wildintellect.com>
Content-Type: text/plain; charset=ISO-8859-1

On 11/14/2010 05:21 PM, Rodrigo Moreira Maia wrote:
> Hi !! i need create isolines in qgis, using a shape file points..
> 
> tanks ..
> 

Try the Contour python plugin. You will need to Fetch Python Plugins and
it also requires that you install the Shapely Python library.

Otherwise you can do this with the GRASS plugin. Though you might need
to 1st interpolate a raster from the point data and then convert
isolines with r.contour.

Enjoy,
Alex


------------------------------

Message: 9
Date: Sun, 14 Nov 2010 20:00:46 -0800 (PST)
From: Kumaran Narayanaswamy
    <kumaran.narayanaswamy at kcubeconsulting.com>
Subject: Re: [Qgis-user] using manageR
To: fgraz at unam.na, qgis-user at lists.osgeo.org,    Phil Morefield
    <philmorefield at yahoo.com>
Message-ID: <612773.66189.qm at web806.biz.mail.mud.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"

Yeah R.exe should be in environment PATH variable. 

Kumaran

--- On Sat, 11/13/10, Phil Morefield <philmorefield at yahoo.com> wrote:

From: Phil Morefield <philmorefield at yahoo.com>
Subject: Re: [Qgis-user] using manageR
To: fgraz at unam.na, qgis-user at lists.osgeo.org
Date: Saturday, November 13, 2010, 12:24 AM


Patrick-
 
This might be an issue with R 2.12. On my XP machine, prior version of R 
installed the "R.exe", among other important files, here:
 
C:/Program Files/R/R-2.11.1/bin
 
When I install 2.12.0, the same files go here instead:
 
C:/Program Files/R/R-2.12.0/bin/i386
 
My guess is manageR is looking for "R.exe" in the old default path.
 
Hope that helps.
 
Phil
 

 Man brings all things to the test of himself, and this is notably true of 
lightning.

-Aldo Leopold







From: Dr. F. Patrick Graz <fgraz at unam.na>
To: qgis-user at lists.osgeo.org
Sent: Fri, November 12, 2010 7:15:21 AM
Subject: [Qgis-user] using manageR

Hi all,
I have tried to get manageR to work on a windows XP box (R2.12 & QGIS
1.5/1.6)but don't seem to have any luck. To the best of my knowledge I have
all the necessary extensions installed in R (ade4, aspace, sp, spgrass6,
rgdal) adehabitat and have rpy2 installed.

When I tried using QGIS 1.5 manageR would tell me that it could not find the
r212.dll (I didn't write that error msg down...) but at least it tried...
With 1.6 extension does not respond at all (i.e. you click on its icon and
nothing happens).

I have tried uninstalling and re-installing R and qgis
but it's still not
working. Where would I need to look to find out if my installation is
sufficiently complete - and should be working. Is there a compatibility
issue between the versions of the software - or software and extensions?

Another thought - when I upgraded from R2.10 to R2.12 on an Ubuntu machine I
could also not access manageR anymore...

Any help would be welcome.

Patrick
------------------------------------------
Dr. F. Patrick Graz
Snr. Researcher, 
Multidisciplinary Research Centre, 
University of Namibia


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