[GRASSLIST:9357] Re: transparence

[Hamish]

> do you know how and if it is possible to plot a "transparent" raster map
> superimposed to another one...
> I mean an aerial photo overimposed by a "transparent" map representing
> the result of r.los ....
> I have done this using nviz but now I need to automatize the process
> into a shell script and so I need to use a planimetric view, i.e. the x0
> monitor ...

It is easy to do if you can get QGIS running with GRASS raster support.

Within GRASS see also d.shademap (d.his); r.mapcalc with #color calculations.



Hamish