[GRASS-user] Flow Direction Map Question (r.stream.extract)

[Hamish]

> 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.

if results are categorical (D8) I'd suggest to use r.reclass to
sync them.


Hamish