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. I cannot explain which is the reason of this behaviour.. if you like I can send you the DEM.... ciao Ivan -- Ti prego di cercare di non inviarmi files .dwg, .doc, .xls, .ppt. Preferisco formati liberi. Please try to avoid to send me .dwg, .doc, .xls, .ppt files. I prefer free formats. http://it.wikipedia.org/wiki/Formato_aperto http://en.wikipedia.org/wiki/Open_format Ivan Marchesini Perugia (Italy) Socio fondatore GFOSS "Geospatial Free and Open Source Software" http://www.gfoss.it e-mail: [email protected] [email protected] fax (mailfax): +39 1782092534 jabber: [email protected] skype: geoivan73
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