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

[Benjamin Ducke]

Thanks, that's a very interesting hint.

Benjamin

Markus Neteler wrote:
> Ah, now I got it... So, alternatively you can do:
> with
>   v.to.db option=coor ...
> you could upload the x and y values to the attribute table,
> then re-create a map with
>   v.in.db ...
>  
> Markus
> 
> Benjamin Ducke wrote on 11/16/2006 11:48 AM:
> 
>>OK, v.drape worked for me, though I find it a little annoying
>>that I have to first convert the elevation attribute to a
>>raster, than use that to grab 3D coordinates off it.
>>
>>I was hoping there might be a more elegant way to just copy
>>the elevation attribute into the Z coordinate and create
>>and thus convert a 3D points map to 3D directly.
>>
>>I can confirm that 3D dxf export works fine, at least for points.
>>
>>Thanks a lot for the hint,
>>
>>Benjamin
>>
>>Markus Neteler wrote:
>>
>>>Hi Benjamin,
>>>
>>>(I have taken out grass-dev to avoid too much cross-posting)
>>>
>>>Benjamin Ducke wrote on 11/16/2006 09:37 AM:
>>>
>>>
>>>>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?
>>>
>>>
>>>v.drape will do that for you.
>>>
>>>
>>>
>>>>2. Is it possible to output 3D vector points as 3D DXF?
>>>
>>>v.out.dxf seems to set 3D dxf vertices. Doesn't it work?
>>>
>>>Markus
>>>
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>>>
>>>
>>
> 
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-- 
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
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