I have 9 raster elevation files that cover the entire state. When displayed simultaneously there are obvious mis-matches along the edges apparently because of different hight ranges. Yesterday I attempted to create a single DEM map for the entire state using r.patch.
These are the steps I followed: MAPS=`g.mlist type=rast sep=, pat="dem*"` g.region rast=$MAPS r.patch in=$MAPS out=demOR Then I went off and did other things for a couple of hours. There was a warning about inability to write line 24nnn (I forget the exact line number), and when it was finished and I tried to display the whole new map, only the top portion (I'd estimate the top half) was present. Should I do this in slices (3 maps at a time), then patch the results into a single map? What might cause the results I saw? Rich _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
