[GRASS-user] Thanks to GRASS
Jorge Echeverri
jorge.echeverri at Stein.de
Wed Jul 11 11:30:14 EDT 2007
Jaime:
Thanks to you also for the links. I cannot however access them. I would
be really interested in reading them. Could you please send them
as .pdf, that would be great.
The idea of putting examples on Wiki is excellent!
Saludos
Jorge
Am Mittwoch, den 11.07.2007, 17:18 +0200 schrieb
grassuser-request at grass.itc.it:
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> Today's Topics:
>
> 1. RE: importing .dgn files in grass (Gerald Nelson)
> 2. Re: Re: some interesting tools for working with LAS format
> (Bernhard Reimar Hoefle)
> 3. Re: Re: Re: some interesting tools for working with LAS
> format (Gerald Nelson)
> 4. Re: GRASS 6.3 Installation Woes on OS X (William Kyngesburye)
> 5. Re: thanks to GRASS! (massimo di stefano)
> 6. Re: thanks to GRASS! (Michael Barton)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 11 Jul 2007 07:32:46 -0500 (CDT)
> From: Gerald Nelson <gnelson at uiuc.edu>
> Subject: RE: [GRASS-user] importing .dgn files in grass
> To: Juan Miguel Garijo <saldinet at yahoo.es>, grassuser
> <grassuser at grass.itc.it>
> Message-ID: <20070711073246.ASU09993 at expms1.cites.uiuc.edu>
> Content-Type: text/plain; charset=iso-8859-1
>
> This looks like an excellent addition to the Grass FAQ at the grass website. Any chance you could put something there?
>
> Jerry
>
> ---- Original message ----
> >Date: Wed, 11 Jul 2007 08:04:53 +0200 (CEST)
> >From: Juan Miguel Garijo <saldinet at yahoo.es>
> >Subject: RE: [GRASS-user] importing .dgn files in grass
> >To: grassuser <grassuser at grass.itc.it>
> >
> >
> >--- nishith datta <nkdiitd2002 at gmail.com> escribi:
> >
> >> hi all
> >> I have been able to import a dgn file into grass
> >> using the v.in.ogr but I
> >> have all the point, line and poly
> >> features in the same layer. Next When i use v.what
> >> then I get a attribute
> >> listing which I can't quite understand
> >> Anyone who can help me out with - how to seperate
> >> the point , lines and
> >> polys into three different layers. Also
> >> if possible there could be different things
> >> represented as lines - roads and
> >> rivers both are line features. So how to extract
> >> these from the .dgn file
> >> into two different layers. I am attaching the output
> >> of v.what command for
> >> ease of anyone who wishes to help me out.
> >> Output of Grass v.what command :-
> >>
> >> East: -21786.9555969
> >> North: -23164.1739966
> >> Map: nkd
> >> Mapset: PERMANENT
> >> Point
> >>
> >> Layer: 1
> >> Category: 9362
> >> driver: dbf
> >> database:
> >> /ramdisk/grass/locations/43p/PERMANENT/dbf/
> >> table: nkd
> >> key column: cat
> >> cat : 9362
> >> Type : 17
> >> Level : 3
> >> GraphicGro : 0
> >> ColorIndex : 0
> >> Weight : 1
> >> Style : 0
> >> EntityNum :
> >> MSLink :
> >> Text : Paswal
> >>
> >> When I try to see the layers in the .dgn file using
> >> the option list
> >> available layers in the dataset and exit from
> >> v.in.ogr
> >> I get the output
> >> Data source contains 1 layers:
> >> elements
> >>
> >> But I think the data source contains more than one
> >> layer - atleast one line,
> >> one point and one poly for sure. What is the meaning
> >> of the above
> >> output.....
> >>
> >>
> >>
> >> Thanks in advance.
> >> Nishith
> >
> >
> >GRASS Layer, is not the same of dgn's Layer(Level)
> >
> >Make a external database conection:
> >
> >v.external dsn=yourmap.dgn output=yourmap
> >
> >open yourmap in a monitor
> >
> >You can test every entity in the dgn with v.what
> >
> >Make attention on the Level value, and others fields
> >values of the entities you want to include in a vector
> >GRASS file.
> >
> >Import just this entities with the the option
> >"where=":
> >
> >v.in.ogr -z -o dsn=yourmap.dgn output=yourmapX
> >where=Level=X min_area=0.0001 snap=-1
> >
> >And so on for each map
> >
> >Juan M. Garijo
> >
> >
> >
> >______________________________________________
> >LLama Gratis a cualquier PC del Mundo.
> >Llamadas a fijos y mviles desde 1 cntimo por minuto.
> >http://es.voice.yahoo.com
> >
> >_______________________________________________
> >grassuser mailing list
> >grassuser at grass.itc.it
> >http://grass.itc.it/mailman/listinfo/grassuser
> Gerald Nelson
> Professor, Dept. of Agricultural and Consumer Economics
> University of Illinois, Urbana-Champaign
> office: 217-333-6465
> cell: 217-390-7888
> 315 Mumford Hall
> 1301 W. Gregory
> Urbana, IL 61801
>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 11 Jul 2007 15:11:31 +0200
> From: Bernhard Reimar Hoefle <Bernhard.Hoefle at uibk.ac.at>
> Subject: [GRASS-user] Re: Re: some interesting tools for working with
> LAS format
> To: grassuser at grass.itc.it
> Message-ID: <1184159491.4694d7030587c at web-mail1.uibk.ac.at>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Hi!
> Thanks to Hamish we can now easily convert LAS files to DEMs with r.in.xyz.
>
> To remind, LAS Tools can be found here:
> http://www.cs.unc.edu/~isenburg/lastools/
>
> I successfully compiled and used it like this:
>
> 1)
> in las2txt.cpp (lastools/tools/src): change main to return int:
> int main(int argc, char *argv[])
>
> 2)
> g++ ../../src/lasreader.cpp las2txt.cpp -I ../../inc/ -o las2txt
> -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
>
> 3)
> ./las2txt test.las -otxt | r.in.xyz input=- output=dtm method=min fs=" "
>
>
> > As a start we can include references to the LAS tools in the relevant man
> > pages and wiki, with build and useage examples. This would get new users up
> > to speed on the 'toolchain' approach to processing data with GRASS+external
> > tools.
>
> We should definitely do that.
>
> > While this is always an option, I think that by generalizing things a bit
> > further (via a GDAL/ogr driver) or using the LAS tools as a pre-processing
> > step would be the best way forward.
>
> I absolutely agree with you. But don't know how complicated this implementation
> will be and I'm not a programmer, so I cannot really support.
>
> Bernhard
>
>
>
> ------------------------------
>
> Message: 3
> Date: Wed, 11 Jul 2007 08:44:06 -0500 (CDT)
> From: Gerald Nelson <gnelson at uiuc.edu>
> Subject: Re: [GRASS-user] Re: Re: some interesting tools for working
> with LAS format
> To: Bernhard Reimar Hoefle <Bernhard.Hoefle at uibk.ac.at>,
> grassuser at grass.itc.it
> Message-ID: <20070711084406.ASU19174 at expms1.cites.uiuc.edu>
> Content-Type: text/plain; charset=us-ascii
>
> At a minimum, this description would be good to add to the grass FAQ.
>
> ---- Original message ----
> >Date: Wed, 11 Jul 2007 15:11:31 +0200
> >From: Bernhard Reimar Hoefle <Bernhard.Hoefle at uibk.ac.at>
> >Subject: [GRASS-user] Re: Re: some interesting tools for working with LAS format
> >To: grassuser at grass.itc.it
> >
> >Hi!
> >Thanks to Hamish we can now easily convert LAS files to DEMs with r.in.xyz.
> >
> >To remind, LAS Tools can be found here:
> >http://www.cs.unc.edu/~isenburg/lastools/
> >
> >I successfully compiled and used it like this:
> >
> >1)
> >in las2txt.cpp (lastools/tools/src): change main to return int:
> >int main(int argc, char *argv[])
> >
> >2)
> >g++ ../../src/lasreader.cpp las2txt.cpp -I ../../inc/ -o las2txt
> >-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
> >
> >3)
> >./las2txt test.las -otxt | r.in.xyz input=- output=dtm method=min fs=" "
> >
> >
> >> As a start we can include references to the LAS tools in the relevant man
> >> pages and wiki, with build and useage examples. This would get new users up
> >> to speed on the 'toolchain' approach to processing data with GRASS+external
> >> tools.
> >
> >We should definitely do that.
> >
> >> While this is always an option, I think that by generalizing things a bit
> >> further (via a GDAL/ogr driver) or using the LAS tools as a pre-processing
> >> step would be the best way forward.
> >
> >I absolutely agree with you. But don't know how complicated this implementation
> >will be and I'm not a programmer, so I cannot really support.
> >
> >Bernhard
> >
> >_______________________________________________
> >grassuser mailing list
> >grassuser at grass.itc.it
> >http://grass.itc.it/mailman/listinfo/grassuser
> Gerald Nelson
> Professor, Dept. of Agricultural and Consumer Economics
> University of Illinois, Urbana-Champaign
> office: 217-333-6465
> cell: 217-390-7888
> 315 Mumford Hall
> 1301 W. Gregory
> Urbana, IL 61801
>
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 11 Jul 2007 09:06:52 -0500
> From: William Kyngesburye <woklist at kyngchaos.com>
> Subject: Re: [GRASS-user] GRASS 6.3 Installation Woes on OS X
> To: Hamish <hamish_nospam at yahoo.com>
> Cc: grassuser at grass.itc.it, uclamathguy at gmail.com
> Message-ID: <BD50DBA5-4A3C-4141-9789-87CA954D7CAF at kyngchaos.com>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> On Jul 11, 2007, at 3:36 AM, Hamish wrote:
>
> > William Kyngesburye wrote:
> >>
> >> .grass6rc is not something that must exist for GRASS to run. Create
> >> it if you need it. I prefer to use .bash_profile instead,
> >> since .grass6rc is loaded *after* the initial mapset selection.
> >
> >
> > little clarification:
> >
> > .grassrc6 holds the GIS variables. It is not a series of shell
> > commands.
> > It contains things like "DEBUG: 0".
> >
> > .grass.bashrc (or .grass.cshrc) contains shell commands to be run at
> > initial mapset selection (creation of session shell). It contains
> > things
> > like "export GRASS_WIDTH=800".
> >
> >
> > Maybe .grass6rc exists on your builds for the Mac, I'm not sure,
> > but did
> > you mean to say .grass.bashrc not .grass6rc?
> >
> Right, .grass.bashrc is what I meant. Don't know if that's what Ryan
> meant. It's not in the Mac build.
>
>
> -----
> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
> http://www.kyngchaos.com/
>
> First Pogril: Why is life like sticking your head in a bucket filled
> with hyena offal?
> Second Pogril: I don't know. Why IS life like sticking your head in
> a bucket filled with hyena offal?
> First Pogril: I don't know either. Wretched, isn't it?
>
> -HitchHiker's Guide to the Galaxy
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Wed, 11 Jul 2007 16:21:19 +0200
> From: massimo di stefano <massimodisasha at yahoo.it>
> Subject: [GRASS-user] Re: thanks to GRASS!
> To: grassuser at grass.itc.it
> Message-ID: <EBBE78F8-57CF-403E-946C-2B03FD850352 at yahoo.it>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi Jaime,
>
> thanks to grass... and to all the mans that use GFOSS for our rersearch,
> as you too :-)
> i've not access to scienze direct, but i'm really intersted to this
> paper :
>
> > Spatio temporal
> > analysis of daily precipitation and temperature in the Basin of
> > Mexico.
>
> please let me know if it is possible to have a copy of it.
>
> my e-mail address is :
>
> massimodisasha at yahoo.it
>
> thanks a ton!
>
> Massimo.
>
> >
>
> Il giorno 11/lug/07, alle ore 14:29, Jaime Carrera ha scritto:
>
> > Dear list,
> >
> > I would just like to thank the GRASS development team for creating
> > such a nice piece of software, as without it I couldn't have done
> > my PhD work. One of my ideas was to show that Open Source software
> > can be used to develop a large project (as some people think that
> > free stuff is not good) and the use of GRASS, R, GMT, The GIMP and
> > Inkscape was crucial to prove my point.
> >
> > If someone is interested in some of this work, please follow these
> > links; if someone can't access these links, please let me know and
> > I can send a PDF copy of them.
> >
> > On the use of GRASS with R and GSTAT to interpolate daily
> > climatological variables (rainfall, and both minimum and maximum
> > temperature) using different Kriging methods:
> >
> > Carrera-Hernandez, J. J. and Gaskin, S.J. (2007). Spatio temporal
> > analysis of daily precipitation and temperature in the Basin of
> > Mexico.
> > Journal of Hydrology. DOI: http://dx.doi.org/10.1016/j.jhydrol.
> > 2006.12.021
> >
> > On the use of GRASS in groundwater modeling (Now I have time to
> > update it for GRASS 6.2 and MODFLOW 2005 !)
> >
> > Carrera-Hernandez, J. J. and Gaskin, S. J. (2006). The Groundwater
> > Modelling Tool for GRASS (GMTG). Open Source groundwater flow
> > modelling. Computers & Geosciences 32(3):339-351. DOI: http://
> > dx.doi.org/10.1016/j.cageo.2005.06.018
> >
> > There is another paper (in press, Hydrogeology Journal) on which I
> > used GRASS, R and GMT to analyze the evolution of the groundwater
> > level in the Basin of Mexico. The DOI It should be available
> > within the next week.
> >
> > Cheers,
> >
> > Jaime
>
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> ------------------------------
>
> Message: 6
> Date: Wed, 11 Jul 2007 08:16:19 -0700
> From: Michael Barton <michael.barton at asu.edu>
> Subject: Re: [GRASS-user] thanks to GRASS!
> To: <grassuser at grass.itc.it>, GRASS devel <grass-dev at grass.itc.it>
> Message-ID: <C2BA4253.23D40%michael.barton at asu.edu>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I wonder if we should start a GRASS "library" on the main site or the WIKI
> where users could post PDF's or links to papers on using GRASS?
>
> Michael
>
>
> On 7/11/07 1:03 AM, "Jaime Carrera" <jaicarrerahdez at yahoo.com> wrote:
>
> > Dear list,
> >
> > I would just like to thank the GRASS development team for creating such a nice
> > piece of software, as without it I couldn't have done my PhD work. One of my
> > ideas was to show that Open Source software can be used to develop a large
> > project (as some people think that free stuff is not good) and the use of
> > GRASS, R, GMT, The GIMP and Inkscape was crucial to prove my point.
> >
> > If someone is interested in some of this work, please follow these links; if
> > someone can't access these links, please let me know and I can send a PDF copy
> > of them.
> >
> > On the use of GRASS with R and GSTAT to interpolate daily climatological
> > variables (rainfall, and both minimum and maximum temperature) using different
> > Kriging methods:
> >
> > Carrera-Hernandez, J. J. and Gaskin, S.J. (2007). Spatio temporal analysis of
> > daily precipitation and temperature in the Basin of Mexico. Journal of
> > Hydrology. DOI: http://dx.doi.org/10.1016/j.jhydrol.2006.12.021
> >
> > On the use of GRASS in groundwater modeling (Now I have time to update it for
> > GRASS 6.2 and MODFLOW 2005 !)
> >
> > Carrera-Hernandez, J. J. and Gaskin, S. J. (2006). The Groundwater Modelling
> > Tool for GRASS (GMTG). Open Source groundwater flow modelling. Computers &
> > Geosciences 32(3):339-351. DOI: http://dx.doi.org/10.1016/j.cageo.2005.06.018
> >
> > There is another paper (in press, Hydrogeology Journal) on which I used GRASS,
> > R and GMT to analyze the evolution of the groundwater level in the Basin of
> > Mexico. The DOI It should be available within the next week.
> >
> > Cheers,
> >
> > Jaime
> >
> >
> > __________________________________________________
> > Correo Yahoo!
> > Espacio para todos tus mensajes, antivirus y antispam gratis!
> > Regstrate ya - http://correo.espanol.yahoo.com/
>
>
> __________________________________________
> Michael Barton, Professor of Anthropology
> Director of Graduate Studies
> School of Human Evolution & Social Change
> Center for Social Dynamics & Complexity
> Arizona State University
>
> phone: 480-965-6213
> fax: 480-965-7671
> www: http://www.public.asu.edu/~cmbarton
>
>
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