[GRASS-user] Creating 3D Vector file (v.in.ascii) for eventual
use in NVIZ
caumann at ualberta.ca
Mon Oct 2 10:32:45 EDT 2006
I for one would definitely read through it!
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
> 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...)
CW-405 Biological Sciences Blding
University of Alberta
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