[GRASS-user] Export DXF with Z-axis (elevation) data (...bathymetry)

Enrico wrote:

I've been able to create a 3D vector map in Grass
with v.extrude (but I've also been told to use v.drape)
using that column for the Z-axis.

(you might also try Martin's new v.to.3d module)

Hamish