The difference is computed for each pixel. Just visualize the new map "mapdiff" of run r.univar mapdiff.
2017-03-28 22:23 GMT+02:00 Rich Shepard <[email protected]>: > I want to compare two raster maps for any differences. The r.mapcalc > expression I used yielde no results ... unless getting the GRASS shell > prompt means there are no differences. > > Command and result: >> >> r.mapcalc "mapdiff = blocked_culvert - open_culvert" >> > > No differences? Wrong syntax? > > TIA, > > Rich > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
