[GRASS-user] 3D DXF output: howto?

[Michael Barton]

Benjamin,

Another useful tool for n-dimensional visualization is Paraview. It will
read GRASS vector or raster files exported to vtk format.

Michael
__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics and Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton


> From: Benjamin Ducke <benjamin.ducke at ufg.uni-kiel.de>
> Date: Thu, 16 Nov 2006 15:51:20 +0100
> Cc: GRASS user list <grassuser at grass.itc.it>
> Subject: Re: [GRASS-user] 3D DXF output: howto?
> 
> I just loaded a few dozen points with coordinates around 600000
> into blender and it worked.
> I was able to load the points, select them and zoom into them.
> However, the -1000 to +1000 range is still present in some menu widgets
> and the navigation outside of it seems difficult.
> I also experimented with importing 43.000+ points and after ca. 10
> minutes of waiting for the result, I killed the program.
> 
> Anyway, my coordinates are local coordinates with a very small range, so
> I will  not hit that limit.
> 
> Best,
> 
> Benjamin
> 
> paallen at attglobal.net wrote:
>> Benjamin,
>> 
>> Just one warning.  About 1-2 years ago I too looked at using blender an I
>> discovered a problem.  Blender at that time could only work withe coordinates
>> (x,y, and z ) in the range of +/-10000.00.  Which is a problem for most
>> realworld coordinates.
>> 
>> Does this limitation still exist?
>> Do your coordinates exceed this range?
>> 
>> Good luck,
>> 
>> Phillip Allen
>> 
>> Sent via BlackBerry from Cingular Wireless
>> 
>> -----Original Message-----
>> From: Benjamin Ducke <benjamin.ducke at ufg.uni-kiel.de>
>> Date: Thu, 16 Nov 2006 09:37:01
>> To:GRASS user list <grassuser at grass.itc.it>,       GRASS devel
>> <grass-dev at grass.itc.it>
>> Subject: [GRASS-user] 3D DXF output: howto?
>> 
>> Hi everyone,
>> 
>> I am currently trying to get some 3D points out of GRASS and into a
>> 3D modeller (blender.org) fur further processing.
>> 
>> Two questions arise:
>> 
>> 1. My GRASS vector points are 2D + elevation attribute. Is it possible
>> to map the elevation attribute to a Z coordinate and create a 3D map?
>> 
>> 2. Is it possible to output 3D vector points as 3D DXF?
>> 
>> If not, maybe someone could detail on what needs to be done and I will
>> try and hack up something.
>> 
>> Best,
>> 
>> Benjamin
>> 
> 
> -- 
> Benjamin Ducke, M.A.
> Archäoinformatik
> (Archaeoinformation Science)
> Institut für Ur- und Frühgeschichte
> (Inst. of Prehistoric and Historic Archaeology)
> Christian-Albrechts-Universität zu Kiel
> Johanna-Mestorf-Straße 2-6
> D 24098 Kiel
> Germany
> 
> Tel.: ++49 (0)431 880-3378 / -3379
> Fax : ++49 (0)431 880-7300
> www.uni-kiel.de/ufg
> 
>