[GRASS-user] r3.in.ascii - Difficulties understanfing format

[Hamish]

Tom van der Putte wrote:
> I still have a question concerning the visualization of 3D
> raster in Nviz.
....
> But I can't see anything in NVIZ. I don't see the wireframe that is
> sometimes visible when moving the viewpoint, and when I try
> to add a volume/isosurface, it shows nothing. What did I miss here?


when you get to the point where you can see the wireframe box when you
move the viewport puck, but then nothing is rendered, what you have to
do is add some new iso-surfaces.

Try the "Custom volume creation" example here:
  http://grass.osgeo.org/wiki/Help_with_3D#Examples


Hamish