[GRASS-user] How to aggregate values of a raster to an area specified by a polygon?

[Hamish]

TimNorwey wrote:
> What I´m planning to do, is to aggregate the calculated solar values given
> by the raster to an area that is specified by a polygon of
> the footprint shapefile. 
> 
> At the end I want to have one average number of incoming
> solar irradiance per sqm for each footprint.


check out the v.rast.stats module.
It's a script, see inside it for the method.



Hamish