You could use r.mapcalc and make all negs = -1, all pos = 1, leave all 0 = 0. Then make a color table where -1 is blue, 0 is green and 1 is red. I'm doing the very same thing right now :-)
[Sent from a mobile device] On Apr 26, 2011, at 11:16 PM, Franz Schiller <franzschiller1...@gmail.com> wrote: > Greetings > I haver searched among color tables and I didn't find any example like this: > I want to define a color table where: > all negative values are blue > all zeros are green > all positive values are red. > > Can anyone give me a tip on this? > Thanks > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
