Dear Markus, I follow Silvias suggestion and use h.tca in JGRASS.
BTW: Isn't is possible to integrate the horton-tools into grass? Thanks, Achim Markus Neteler schrieb: > 2009/11/19 Achim Kisseler <a...@jupiter.uni-freiburg.de>: >> Thanks, Jaroslaw for response, >> >>> there shoud be no problem if you have oryginal DEM >> I know, but I do NOT have the DEM. Thats the problem. > > > Ah, now I understand "is there a way in GRASS to build an > accumulation map from a directions map without a dem map?" > > So: If you are on earth, you can get it here (mars/moon should be also > available somewhere :-): > > http://grass.osgeo.org/wiki/Global_datasets > - SRTM > - ASTER GDEM > > especially > http://grass.osgeo.org/wiki/ASTER_topography > > If you need to start from the accumulation map and no way to > use a DEM, then I have no idea (but see the other comments) > > Hope this helps, > Markus _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user