Janet Choate said: >i want to display a raster in 3D. i.e. display landscape maps 'draped on >top' of the dem so i can show the terrain in 3D rather than as a flat image. > > >do i need to convert a raster to a 3D raster via r.to.rast3 or >r.to.rast3elev, set the region for 3D? >how to display?
Not at all. As far as I know, r.to.rast3 is for real 3D with volume and all. What you want is sometimes called 2.5D and is simply achieved by: nviz elevation=dem color=landscale_map The nviz screen should pop open and then you should be able to move your 3D display as desired. Regards, Marcello. _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/create-3D-raster-and-display-tp6248005p6248180.html Sent from the Grass - Users mailing list archive at Nabble.com. _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user