On Tue, Jan 24, 2012 at 8:03 PM, Mark Seibel <msei...@gmail.com> wrote: > Hi, > > On Tue, Jan 24, 2012 at 1:24 PM, Marcello Benigno > <benigno.marce...@gmail.com> wrote: >> >> Hi All, >> >> There is some methodology where it is possible extract the drainage >> network and maintain the correct graph orientation? > > > Regrettably, I cant say for sure, but I would be surprised if the vector > stream/drainage network output from r.stream.extract did not orientate > vector directions downstream properly. > http://grass.osgeo.org/wiki/GRASS_AddOns#r.stream.extract >
Yes, the stream lines in the vector output of r.stream.extract are directed downstream. Markus M _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
