> Carlos wrote: > > I was wondering if we could have divergent color tables. Say I > > have a map of standard deviation, with a very symmetric > > distribution around zero. Can I have the same colors diverging > > from zero? so that +5 and -5 have the same color?
Glynn: > Are you referring to a specific colour table, e.g. similar to > color=differences but with the same colour at each end, or an option > to "mirror" any colour table? > > The former is trivial; just use a rules file such as: > > 0% blue > 0 red > 100% blue a few notes: - see the included GRASS 'aspect' color rules, they are: 0% black 50% white 100% black - there are lots of GMT compatible color tables that look like that which can be loaded with new r.cpt2grass script. see: http://grass.gdf-hannover.de/wiki/GRASS_and_GMT#Importing_from_GMT - there's a bug in r.colors: http://article.gmane.org/gmane.comp.gis.grass.devel/22645 (now gforge bug # 508) Hamish _______________________________________________ grassuser mailing list grassuser@grass.itc.it http://grass.itc.it/mailman/listinfo/grassuser
