Did you set the "area of interest" with g.region=dem? Am Montag, 16. Februar 2009 23:34:02 schrieb G. Allegri: > I usually use r.watershed directly from GRASS and I choose the output > I desire (basin, drainage, stream segments, etc.), and the command > looks something like: > > r.watershed elevation=dem drainage=out_drain basin=out_basin > > to get the raster of basins with unique values (basin) and the > drainage network (drainage). > > Which QGIS version are you using? What OS? How big is your dem? What > resolution? > > giovanni > > 2009/2/16 ambrish dhaka <ambi...@hotmail.com>: > > Hello all, > > I found that the raster > hydrology..> watershed tool does not create the > > desired image. > > I used three things...1) the dem raster as source, 2) threshold value of > > 1000 and 3) output name as accu1. > > Is there anything else left? > > Why it is not producing, and how can I create basins? > > Regards, > > Ambrish Dhaka > > > > ________________________________ > > Voice your opinion on the burning issues of the day. Discuss, debate with > > the world. Logon to message boards on MSN. Try it! > > _______________________________________________ > > Qgis-user mailing list > > Qgis-user@lists.osgeo.org > > http://lists.osgeo.org/mailman/listinfo/qgis-user > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user
-- Ralf _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user