[GRASS-user] Adding a semi-transparent layer

[Hamish]

José Antonio Ruiz Arias wrote:
> 
> on the map display of the GRASS gui is very easy to get a transparency
> effect on a layer, but I have been trying to do it exclusively by
> command line to script a task and I didn't success. Does anyone know
> how can I solve this issue? The aim is to add a semi-transparent layer
> with climatological information above a terrain raster.


see the d.shadedmap script in gui/tcltk/gis.m/script/

which calls this:

  d.his "h_map=$GIS_OPT_DRAPEMAP" "i_map=$GIS_OPT_RELIEFMAP"



Hamish