[GRASS-user] Re: Searching Docs about 3D geological modelisation

[Hamish]

Jean Roc wrote:
> I was thinking about using r3.in.ascii and then r.to.rast3

eg  http://grass.osgeo.org/wiki/Help_with_3D


> but it doesn't seems to be the right thing to do on a large
> scale (150km²) due to potential multiple top/bottom crossing
> of the generated layers.
...
> Your screenshots are exactly the kind of data visualization
> I'm seeking  to obtain.

see Helena's GRASS 4 screenshots near the end of this page:
  http://grass.osgeo.org/screenshots/viz.php
  http://skagit.meas.ncsu.edu/~helena/gmslab/viz/ches.html


GRASS's own NVIZ has support for custom isosurfaces and multiple
cutting planes.


this thread might interest you:
http://thread.gmane.org/gmane.comp.gis.grass.user/12869



Hamish