On Tue, Mar 23, 2010 at 3:00 PM, maven apache <[email protected]> wrote: > Hi: > I have a raster image which contains some polygons,and now I want to extract > the boundary of them and change the boundary to vector, how to do that?
I think that r.to.vect (f=area) and then a v.type will do that job. Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
