thanks for the answer I launched
r.reclass input=rasterThin output=rasterReclass > 1=NULL > *=1 black so as to fill null values I don't understand why my resulting map was a NULL=>blank raster.. -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/beginner-r-to-vect-v-polygonizing-only-white-parts-of-an-image-tp5103294p5108406.html Sent from the Grass - Users mailing list archive at Nabble.com. _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
