stephen sefick pisze:
I am trying to use a direction map from taudem with the r.stream
modules. I think the problem may be that -8 to 8 is the range of
value in the r.stream extract version and 1-8 in the taudem version.
I can generate one with r.stream extract with the flow accumulation
and the filled DEM from taudem. The raster stream network are very
similar, but not totally the same. Any help would be greatly
appreciated
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Taudem and r.watershed (and r.stream also) uses different direction coding
If you want to use any network modeling software it shall use the same
data. Both direction and stream map must always match. However
r.stream.extract can use any accumulation map including external
software. You can use DEM and accum map created with Taudem (for example
Dinf or D8-LFD) next generate network and direction map using
r.stream.extract
HTH
J.
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