Hi, On Thu, Apr 19, 2012 at 12:48 AM, Rich Shepard <rshep...@appl-ecosys.com>wrote:
> The attached pdf shows the basin map output by r.watershed based on a 10m > DEM and a threshold of 150000. The NHD level 6 subbasins are outlined in > black and the 1:24K NHD streams are in blue. > > The small white areas at the bottom left and center right appear to be > external to defined sub-basins. But I don't know how to interpret the > larger > white areas with streams in them (center and top). The top margin is an > international boundary so I can understand not being able to completely > define sub-basins across that boundary since the DEM doesn't reach that far > north, but it's not consistently white. > > Please help me interpret the white areas with vector streams. > Please post information about the region, r.info of the map and the command line of r.watershed that you use. Also, do you use a mask? Pankaj Kr Sharma, please avoid to reply attaching the whole digest. Thanks, madi -- Ing. Margherita Di Leo, Ph.D.
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