On Jan 21, 2008 4:22 PM, Martin Landa <[EMAIL PROTECTED]> wrote: > Hi, > > 2008/1/21, Martin Landa <[EMAIL PROTECTED]>: > > 2008/1/21, Markus Neteler <[EMAIL PROTECTED]>: > > > can we convert 3D polygons or tins to a DEM? Possibly a job for > > > v.to.rast... > > > > > > v.to.rast help > > > ... > > > use Source of raster values: > > > z - use z coordinate (points or contours only) > > > > > > Would it be a big mess to extend that? > > > > I guess wouldn't be so complicated to add support also for faces (and > > 3d lines in general) to v.to.rast... I can try take a look. > > just idea, > > tin -> > > v.to.points -n > v.clean tool=rmdupl > v.surf.* -> dem
well, this would only give an approximation AFAIK. I realize that it is easy with (inclined) triangles but less so with whatever-polygons (are that always faces or could it be a more complex form?). Markus _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
