On Mon, 2008-12-01 at 14:57 +0100, Niels Thevs wrote: > Hi, > > how can I extract the centroids from polygons and transform them into a > point vector layer ? I have tiny polygons as groundtruth data for a > satellite image analysis and I would like to retrieve the centroids as > points so that I can use v.what.rast, in order to obtain the spectral > information for the groundtruth data. > > Best regards > > Niels
Hi Niels! You probably need to use "v.extract type=centroid". Regards, Nikos _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
