[GRASSLIST:55] Re: v.in.dxf

[Mauro Lacy]

(cc'ing to list)
Carlos "Guâno" Grohmann wrote:

>So you're trying to to export a "mesh", like a 3D vector grid of your surface?
>  
>
Exactly. I can see that nviz generates this "mesh"(let's call it the 
"Wire" nviz Surface/Grid Surface Panel mode). But I don't know how to 
generate an equivalent vector map with this, from inside grass.

Mauro

>
>
>On 3/13/06, Mauro Lacy <mauro at lacy.com.ar> wrote:
>  
>
>>Sorry for the cross-post, but I'm trying to do almost exactly the
>>opposite. That is, export a (raster) DEM to dxf. I was browsing the
>>diverse grass modules, and the problem is I couldn't find a way to
>>convert a raster DEM to a vector "surface" or "3d" file. So I can later
>>export it using v.out.dxf. I tried r.to.vect with horrible(and maybe
>>simply "not applicable") results.
>>I found some (non- free) programs that seem to do this (r2v, from
>>ablesoft, by example) but it intrigues me if it can actually be done
>>with grass(or with free software).
>>
>>Thanks,
>>
>>Mauro
>>
>>Carlos "Guâno" Grohmann wrote:
>>
>>    
>>
>>>Stefan, you might want to take a look at OrbisCAD (please search
>>>Google, I don't remember the URL, but I know it is in Sourceforge).
>>>According do the authors, it can read DXF and export shapefiles.
>>>
>>>Hope this helps
>>>
>>>Carlos
>>>
>>>
>>>
>>>On 3/13/06, RAVI KUMAR <ravivundavalli at yahoo.com> wrote:
>>>
>>>
>>>      
>>>
>>>>Stefan Gasser <stefang at dnet.it> wrote:
>>>>
>>>>
>>>>Hi
>>>>I`m using grass61 on windows and would like to import dxf and dwg files, but
>>>>it is only possible with dgn files using v.in.ogr.
>>>>Is there any other possibility to do an import for AutoCad files?
>>>>
>>>>
>>>>
>>>>v.in.dwg requires OpenDWG toolkit. To get this toolkit you must become at
>>>>least "Associ! ate Member" of OpenDWG Alliance (http://www.opendwg.org), it
>>>>is free-of-charge (you have to fill one form).
>>>>Then unpack library and copy to this directory:
>>>>ad2.a ad2.h odio.h adinit.dat
>>>>and compile this module.
>>>>
>>>>Ravi Kumar
>>>>
>>>>
>>>>
>>>>thanks
>>>>Stefan Gasser
>>>>
>>>>
>>>>
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>>>>
>>>>
>>>>
>>>>        
>>>>
>>>--
>>>+-----------------------------------------------------------+
>>>             Carlos Henrique Grohmann - Guano
>>> Geologist M.Sc  - Doctorate Student at IGc-USP - Brazil
>>>Linux User #89721  - carlos dot grohmann at gmail dot com
>>>+-----------------------------------------------------------+
>>>_________________
>>>"Good morning, doctors. I have taken the liberty of removing Windows
>>>95 from my hard drive."
>>>--The winning entry in a "What were HAL's first words" contest judged
>>>by 2001: A SPACE ODYSSEY creator Arthur C. Clarke
>>>
>>>
>>>
>>>      
>>>
>>    
>>
>
>
>--
>+-----------------------------------------------------------+
>              Carlos Henrique Grohmann - Guano
>  Geologist M.Sc  - Doctorate Student at IGc-USP - Brazil
>Linux User #89721  - carlos dot grohmann at gmail dot com
>+-----------------------------------------------------------+
>_________________
>"Good morning, doctors. I have taken the liberty of removing Windows
>95 from my hard drive."
>--The winning entry in a "What were HAL's first words" contest judged
>by 2001: A SPACE ODYSSEY creator Arthur C. Clarke
>
>  
>