Well, I really stuck here: I havent found anything about playing with the common geom multipolygon in GRASS. I think that is what I need and what I thought I could handle with v.reclass. But it does not work.
-Is there something in GRASS to create multipolygons? -Do they have one centroid or multiple with the same cat (as I thought) Any suggestions are very welcome achim achim schrieb: >> PS: >> workaround would be: >> v.to.rast with old values >> update centros of reclassed map from that raster map >> -> but it seems a bit in-elegant.. > ...and which is a bit complicated as centroids cannot be used in > v.what.rast... > ...and conversion into points produces more than one point for some > centroids (where one cat has more than two separate areas), so > v.what.rast produces NULLs here... > > -so the workaround isn't one- > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
