Hi Alexandre, On Sat, Sep 5, 2009 at 10:29 PM, alexandre villers<[email protected]> wrote: > Good evening, > > I'm a beginner with GRASS. In order to analyse a dataset on the spatial > distribution of a bird's species, I wanted to create many spatial grids (with > increasing cell size, from 500 to 15000 meters)and then count birds in each > cell. > > I started with > v.in.ogr to import a countour shape file for my observation window > v.to.rast (countour)followed by r.mask to limit the work on that contour limit > finally, v.mkgrid to create the grid with the required spatial resolution.
>From your personal email I understand that "contours" are meant here as boundaries of the study area. Would this approach work? http://grass.osgeo.org/wiki/Count_points_in_polygon Best regards Markus _______________________________________________ grass-stats mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-stats
