Hi, You can try r.to.rast3elev which will do exactly what you need. Best Soeren
Am 21.02.2011 02:38 schrieb <[email protected]>: > Hamish: > > I looked at that before and the only thing I could think of was to use > r.to.rast3 by first generating a whole series of horizontal surfaces > with r.mapcalc, one for each foot of elevation, with each cell getting a > value of "1" if the "elevation" for that particular new surface lied > between the corresponding cell values of the top and bottom surfaces. > Then taking those whole bunch of surfaces and feeding them to > r.to.rast3. But that seemed pretty inelegant. But it may be only way > to do it. I would only be about 25 rasters to generate and then merge. > > J.S. > > On Sun, 20 Feb 2011 17:14:39 -0800 (PST), "Hamish" <[email protected]> > said: >> J.S. wrote: >> > I want to generate a 3D raster (and display in nviz) that is >> > the volume between two 2D elevation rasters. The application >> > is to visualize the subsuraface area that will be subject to >> > environmental remediation. >> >> maybe this summary helps, >> http://grass.osgeo.org/wiki/Help_with_3D >> >> >> Hamish >> >> >> >> > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user
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