[GRASS5] TINs as 3D vectors
neteler at itc.it
Thu Apr 14 07:35:50 EDT 2005
On Wed, Apr 13, 2005 at 02:10:03PM +0200, Jachym Cepicky wrote:
> is there any possibilty, how to create 3D-vector of TIN (triangulated
> irregular network) of the output from v.delauny? I have 3D points and v.delauny
> makes only 2D-polygons from it..
This requires changes in v.delauny. Somehow the z coordinate must
be maintained (currently set to 0).
> I wrote some script which solves this, but before I post it, I would like to
> know, that I did not something useless.
For those (like me) who want to easily generate 3D points,
I have extended r.random to optionally use the extracted
attribute value (m) as z coordinate:
x y m
it now optionally writes
x y z m
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