On Tue, Sep 6, 2011 at 7:20 PM, Salvatore Mellino <[email protected]> wrote:
> now I can't verify in which way the sun map made with arcGIS was done (albedo, > atmospheric turbidity…) maybe the differences depend on terrain shadow effect > that I have not considered in grass map. Depending on your terrain that can make a huge difference. See for example (Alpine region next to my home): http://gis.cri.fmach.it/gis-analysis/ -> Solar radiation based on high resolution DEM > If I want to add this effect to your script for global radiation, how can I > do? Just add the -s flag to r.sun. > And moreover, will your script calculate automatically slope and aspect > from DTM or it use the default values? It calculates slope and aspect from DTM automatically. Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
