Solimyr wrote: > Furthermore, once that I've installed in GRASS (I hope) can > I use in QuantumGIS using the GRASS plugin? see: http://hub.qgis.org/projects/quantum-gis/wiki/Adding_New_Tools_to_the_GRASS_Toolbox in the v.surf.icw addon dir there is an old example, it might need updating, I'm not sure. Hamish