On Tue, Mar 4, 2008 at 12:00 PM, Corrado <[email protected]> wrote: > Dear John, Rick, Hamish, > > thanks for your kind answers. > > I explain the problem: > > I have a file with some hundreds of species and 58,000 observations. For each > species, I have the coordinates (X,Y) of the sites where they were observed. > > I also have a shape file, with polygons representing conservation areas, like > natural reserves. > > I need to know for each species, how many point fall inside conservation areas > and how many points fall outside conservation areas.
(while digging around myself for a solution, I found one and thought to post it here as followup:) http://grass.osgeo.org/wiki/Count_points_in_polygon Perhaps helpful? Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
