On Thu, Feb 14, 2013 at 6:30 PM, Carla Rebelo <crreb...@gmail.com> wrote: > Hi, > > I have footprint buildings and the height value (type double > precision) of each footprint. > > v.info -t map=buildings@ > nodes=250 > points=0 > lines=0 > boundaries=243 > centroids=88 > areas=89 > islands=8 > faces=0 > kernels=0 > primitives=331 > map3d=1 > > After the v.extrude step "v.extrude --overwrite --verbose > input=buldings@ output=buildings3D hcolumn=Height type=area > > v.info -t map=buildings3D@ > nodes=646 > points=0 > lines=0 > boundaries=0 > centroids=0 > areas=0 > islands=0 > faces=743 > kernels=88 > primitives=831 > map3d=1 > > When I visualized the file 3D from NViz, I have seen some of the > buildings with a black filling (it's black inside or the top of > building is black) .... > > Is it a problem of rendering? Or a problem with the topology?
Some of the buildings look ok? I've just tried a small example and it works for me . There could be a problem with the normal vectors of the faces. Unfortunately I don't know much about the topology of kernels. Regards, Anna > > Best regards, > CR > _______________________________________________ > grass-user mailing list > grass-u...@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
