[OSGeo-Discuss] Using v.overlay to crop 3D vector contour map - I can only get 2D output
neteler at osgeo.org
Sat Feb 20 15:01:18 PST 2010
(Perhaps this is better posted to a GRASS list)
On Sat, Feb 20, 2010 at 12:02 PM, Mark <mscaife at mac.com> wrote:
> I've tried using this feature but the only way I can make it work is to use
> the vector as ainput , type line and the region mask as binput type area.
> The resulting vector is only 2D. Is there a way of keeping 3D vectors over a
> specified 2D area?
I see in main.c of v.overlay (GRASS 6.4.svn):
137 Vect_open_new(&Out, out_opt->answer, WITHOUT_Z);
To open a new file in 3D, WITH_Z needs to be used.
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