[GRASS-user] Creating 3D Vector file (v.in.ascii) for eventual use in NVIZ

[Craig Aumann]

I for one would definitely read through it!

Cheers!
Craig


On Mon, 2006-10-02 at 19:32 +1300, Hamish wrote:
> Craig Aumann wrote:
> 
> > I'm mucking about with NVIZ and want to put some simple rectangles on
> > a 3D image to represent buildings.  A number of questions:
> > 
> > 1)  I presume that 3D rectangles can be created using v.in.ascii.
> > However, its not obvious to me from the v.in.ascii man page how a 3D
> > rectangle should be specified.  Could someone please enlighten me here
> > or point me to the specification?  
> > 
> > 2) I have also been trying to find actual worked examples with code
> > for 3D NVIZ examples like those given at:
> > 
> > http://grass.ibiblio.org/grass61/screenshots/vector.php
> > 
> > My thoughts were to simply read in a couple of 3D vector files, then
> > v.transform them and patch them to create my "developments".  
> > 
> > Other suggestions on how best to do this are also appreciated. 
> 
> 
> I'm thinking for a while now that it would be really nice to put
> together a collection of articles showcasing the existing and new 3D
> capabilities of GRASS 6 for an upcoming GRASS newsletter or special
> edition.
> 
> for example:
> 
> * 3D vector processing
>    - overview of GRASS's method: faces, kernels, etc
>    - new 3D vector modules from Jachym  (v.extrude etc)
>    - some nice example (e.g. make a pyramid [see attached]), Trento/NYC
> 
> * 3D raster processing
>    - overview of GRASS's method: voxels, g.region -3, as a time series, etc
>    - new 3D raster modules from Sören
>    - some nice example (e.g. do some quantitative analysis of sample
>       Slovakia rain data)  
> 
> * visualization with NVIZ, export to VTK etc
>    - new NVIZ features by Massimo and Luigi, Bob, etc
>    - v.in.onearth SRTM + LANDSAT -> i.landsat.rgb -> nviz (reader's home)
> 
> etc., etc., etc.
> 
> 
> (I'm a big fan of bite sized 10-15 minute tutorials...)
> 
> 
> Hamish
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