If you don't want all the nine statistics that v.rast.stats gives you (can be unnecessary and a bit slow for large rasters), you can use r.statistics instead, with method=average.
>>Luis Lisboa wrote: >> Hi all >> I'm reading the v.rast.stats Help and I'm a bit confused. It says >> "Calculates basic univariate statistics from a raster map only for the parts >> covered by the specified vector map". But for >>instance if all my region is >> covered by different polygons and, if I want to calculate for each polygon >> my average value from raster, is this function helpful? (e.g. I have vector >> with >yes, exactly the function you need. It adds nine attribute columns to your >vector layer with min,max,mean, etc values calculated from the raster. _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
