[GRASS5] GRASS -> SF

Markus Neteler neteler at itc.it
Fri Feb 20 03:20:59 EST 2004


On Fri, Feb 20, 2004 at 09:15:35AM +0100, Radim Blazek wrote:
> On Friday 20 February 2004 03:08, Hamish wrote:
> 
> > Could you explain what the vector model definitions of "face" and
> > "kernel" are?
> 
> face and kernel are 3D equivalents of boundary and centroid,
> but there is no support for 3D topology (volumes) so you can forget about them. 
> The only current use of face is possibility to display vertical planes in nviz.

Examples for illustration:

 http://grass.itc.it/images/grass51_watertower.jpg
 http://grass.itc.it/images/grass51_nviz.jpg

Markus




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