On Wed, May 9, 2012 at 9:19 AM, ivan marchesini <[email protected]> wrote: > Dear Markus, > thank you for your answer. > >> Please report if the stream segments are as expected, because the >> determination of half-basins and basins is based on the stream >> segments. > > this is the map of streams: > http://imageshack.us/photo/my-images/232/streams.png/ > > it seems fine.. > > >> If the stream segments seem out of place, something is wrong with the >> identification of stream segments and you will need to look at flow >> accumulation and check if that makes sense. > > this is the accumulation map: > http://imageshack.us/photo/my-images/37/accumulation.png/ > > the same as above... > > >> If the stream segments seem to be ok, something is wrong with >> determining the left and right side of a stream. > > this is the map of basins: > http://imageshack.us/photo/my-images/11/basins.png/ > > these are the half_basins: > http://imageshack.us/photo/my-images/4/halfbasins.png/ > > > As you can see the problem arises for the half_basins and not only in > one place. There are a lot of problems all around.
OK, now I have an idea where to look for the problem. > > I cannot explain which is the reason of this behaviour.. > > if you like I can send you the DEM.... That would be very helpful! BTW, what GRASS version are you using? Markus M _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
