DESCRIPTION
v.extrude makes 3D blocks or just walls from 2D polygons or lines.
EXAMPLES
3D houses with fixed height
v.extrude input=houses output=houses3D height=5
3D houses with individual height
v.extrude -t input=houses output=houses3D elevation=dem hcolumn=height
AUTHOR
Jachym Cepicky, jachym.cepicky _at_ centrum _dot_ cz, http://les-ejk.cz
Department of Geoinformation Technologies, http://mapserver.mendelu.cz
Last changed: $Date: 2006/01/02 14:44:51 $