Thanks for the answers! (And sorry for the delayed reply - been traveling). I went for the manual (ImageMagick) option, and that worked well. Andy
On Wed, Aug 29, 2012 at 5:37 AM, Hamish <hamis...@yahoo.com> wrote: > Andy wrote: >> I have been trying to find a way to adjust the opacity (or >> transparency, to throw another key word in there) >> of raster and vector layers using the command line. > > for two rasters you can use the d.shadedmap module for a similar effect. > It's just a wrapper around a trick with the d.his module. > > examples: > http://grass.osgeo.org/grass63/screenshots/images/fourmaps.jpg > http://grass.osgeo.org/grass63/screenshots/images/spearfish_catchements.png > > (see raster screenshots on the homepage for scripts that made those) > > > It's a bit limited in what it can be used for, but for the case of a > categorical area map (maybe 'v.to.rast type=area') over a shaded relief > DEM it works quite nicely. > > > Hamish _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user