Mwhei wrote: > > Hello dear sir,. > I have a question to consult you.I want to know is there a command > to implement that the cells values of one raster layer to > minus the cells values of another raster layer ? Would you please give > me some suggestions? Any help will be ok. Thank you very much! > > > > Sincerely yours, > > > > Yang >
You can do this with r.mapcalc. Please check http://grass.itc.it/grass62/manuals/html62_user/r.mapcalc.html r.mapcalc "newmap=oldmap1 - oldmap2" Markus -- View this message in context: http://www.nabble.com/Hello-dear-sir%2CI-have-a-question-to-consult-you.-tf4736257.html#a13544683 Sent from the Grass - Users mailing list archive at Nabble.com. _______________________________________________ grassuser mailing list grassuser@grass.itc.it http://grass.itc.it/mailman/listinfo/grassuser