[GRASS5] Creating 3D vector objects

[Markus Neteler]

On Wed, Aug 03, 2005 at 11:18:22PM -0700, Michael Barton wrote:
> I had a question yesterday about the creation of 3D vector objects in GRASS.
> I¹ve seen screenshots of them (the dinosaur and water tower), but don¹t have
> any idea on how to create them. I thought there was a tutorial on the WIKI,
> but the only thing I found was Jachym Cepicky¹s perl module for 3D
> trees‹with the explanation in Czech (I think).
> 
> I¹ve scanned the docs, tutorial pages, and other documentation pages to no
> avail. So, can anyone point to a reference that tells how to create those
> nifty 3D vector images?

Both dinosaur and water tower were originally DXF/DWG files.

Procedure:
- v.in.dwg
- v.transform (to geocode the XY DWGs, also z scaling)
- nviz

The houses were hand drawn.

For nifty trees, try

 http://grass.gdf-hannover.de/twiki/bin/view/GRASS/GrassAddOns
 -> Trees

Markus