Hi Filipe, you mean your hydrological network is in vector format?
Maybe you can try the v.strahler add-on but I don't know how uptodate this module is: http://grass.osgeo.org/wiki/GRASS_AddOns#v.strahler /johannes Am 14.05.2012 um 13:26 schrieb Filipe Silva Dias: > Dear all, > > I have a digitized hydrological network and I need to calculate the stream > order (Horton, Strahler etc). > > I found r.stream.order but it requires that the hydrological network comes > from a DEM, which in my case produced an hydrological network that is > considerably different than the digitized one (tried both with r.wateshed, > r.terraflow and r.stream.extract). > > Is there a tool capable of doing this? Apparently ArcGIS can do this, but id > prefer na open source solution. > > Thanks > > Best regards > > Filipe > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
