[GRASS-dev] GRASS and Paraview

[Michael Barton]

Thanks. This is very helpful.

I'm not up on compiling in C++ but hopefully someone here will be able to look into this. It sounds very useful.

Michael

On Feb 14, 2012, at 4:02 PM, <grass-dev-request at lists.osgeo.org> wrote:

> Date: Tue, 14 Feb 2012 21:17:30 +0100
> From: S?ren Gebbert <soerengebbert at googlemail.com>
> Subject: Re: [GRASS-dev] GRASS and Paraview
> To: Michael Barton <Michael.Barton at asu.edu>
> Cc: ksampson at ucar.edu, Jennifer Boehnert <boehnert at ucar.edu>,   GRASS
>        developers grass-developers <grass-dev at lists.osgeo.org>
> Message-ID:
>        <CAPHDRe+aUS-juAPJMAzaJSgB7nMs6u1LFH9=EERApUC4nqV6bg at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> Hi,
> 
> 2012/2/14 Michael Barton <Michael.Barton at asu.edu>:
>> Thanks Markus,
>> 
>> But I don't quite understand how the bridge works. Do you run it from GRASS or ParaView, both or neither (i.e., from the terminal outside either program)?
> 
> The vtk-grass-bridge is a C++ library and must be compiled. I did not
> test the compilation on Windows or Mac,
> but it should work ..... in theory. The library depends on VTK[1],
> cmake[2] and of course on GRASS GIS 7.
> A detailed compilation guide is available here:
> http://code.google.com/p/vtk-grass-bridge/wiki/HowToCompile
> 
> Once compiled, the C++ classes can be used together with VTK classes
> in GRASS GIS Python modules. Hence, all the shiny data processing
> algorithms available in ParaView can be used directly with GRASS GIS
> raster, vector and raster3d.
> Have a look at the Python examples[3, 4, 5, 6]. Since these modules
> are regular GRASS "programs" they must be executed in a grass7 shell.
> 
> [1] http://www.vtk.org/
> [2] http://www.cmake.org/
> [3] http://code.google.com/p/vtk-grass-bridge/source/browse/trunk/Modules/Python/r3.gauss.smooth.py
> [4] http://code.google.com/p/vtk-grass-bridge/source/browse/trunk/Modules/Python/v.sample.rast.py
> [5] http://code.google.com/p/vtk-grass-bridge/source/browse/trunk/Modules/Python/r3.out.vtk2.py
> [6] http://code.google.com/p/vtk-grass-bridge/source/browse/trunk/Modules/Python/
> 
> Best regards
> Soeren
> 
>> 
>> Also, I assume it must be compiled. Do you (or someone) know if it has been compiled for Windows and Mac as well as Linux?
>> 
>> Cheers
>> Michael
>> _____________________
>> C. Michael Barton
>> Visiting Scientist, Integrated Science Program
>> National Center for Atmospheric Research &
>> University Consortium for Atmospheric Research
>> 303-497-2889??(voice)
>> 
>> Director, Center for Social Dynamics & Complexity
>> Professor of Anthropology, School of Human Evolution & Social Change
>> Arizona State University
>> www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu
>> 
>> 
>> 
>> 
>> 
>> On Feb 14, 2012, at 11:21 AM, Markus Neteler wrote:
>> 
>>> On Tue, Feb 14, 2012 at 7:13 PM, Michael Barton <michael.barton at asu.edu> wrote:
>>>> GRASS has r.out.vtk, v.out.vtk, and r3.out.vtk to export GRASS data to
>>>> Paraview files.
>>>> 
>>>> But how can I read Paraview files back into GRASS?
>>> 
>>> Please see
>>> http://grass.osgeo.org/wiki/GRASS_and_VTK
>>> -> Import of VTK data into GRASS
>>> 
>>> Markus
>> 
>> _______________________________________________
>> grass-dev mailing list
>> grass-dev at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/grass-dev
> 
> 

_____________________
C. Michael Barton
Visiting Scientist, Integrated Science Program
National Center for Atmospheric Research &
University Consortium for Atmospheric Research
303-497-2889 (voice)

Director, Center for Social Dynamics & Complexity 
Professor of Anthropology, School of Human Evolution & Social Change
Arizona State University
www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu