[GRASSLIST:1482] Re: 3D geology in GRASS

[Markus Neteler]

Hi Artemis,

On Wed, Feb 21, 2001 at 06:34:39PM +0600, Artemis wrote:
> Hi all,
> 
> I work in state geological bureau and we have founded
> a project on creating a 3D geological map within GRASS.
> We don't know what data is needed for such thing, and
> how to process it.
> 
> When I try to visualize some random grid3d sets with nviz
> it displays nothing obvious. When I tried to create "intersecting"
> surfaces (one shows thru another) and then make a cutting plane
> it exited with errors. (without a plane they displayed well).
> 
> Are there some other solutions perhaps?
> 
> Thanks, Artemis.

NVIZ currently does not support the G3D format. It only
supports 2D raster maps. What you can do is intersecting
2D raster layers.

For G3D raster volumes you can use r3.showdspf or vis5D (see
related web page).

Hope this helps,

 Markus Neteler