Etienne, if the main difficulty is about how to combine two criteria in one "r.mapcalc" command, then, I recommend to go through the r.mapcalc manual [1]. There are many examples. Also read the old (but very good) tutorial [2] (which is referenced in the manual).
Nikos --- [1] <http://grass.osgeo.org/grass64/manuals/html64_user/r.mapcalc.html> [2] <http://grass.osgeo.org/gdp/raster/mapcalc-algebra.pdf> _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
