Hi Markus, That is what was missing in stream-network analyzes!
Great to have this! I didnt have a deeper look yet, but I will test and probably enjoy the script (in fast C-code). Thank you for that! Achim Markus Metz schrieb: > Hi all, > > in grass-addons is a new module for clean stream network extraction from > flow accumulation. It can extract streams from accumulation maps > generated with any method (D8, FD8, D-Inf, DEMON, etc) and any software, > granted that exactly the same elevation map is provided that was used to > calculate flow accumulation. In case of r.terraflow, that would be the > flooded (filled) output elevation map, not the elevation map used as > input for r.terraflow. For e.g. TAS flow accumulation as input, it must > be the elevation map used within TAS to calculate flow accumulation. > > r.stream.extract output is available as raster and vector with unique > stream IDs. The vector is a complete network with stream segments and > points for stream heads, confluences and outlets. The raster output can > be used as input for the r.stream.* modules of Jarek, also in grass-addons. > > Regards, > > Markus M > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user