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

[stephen sefick]

Hamish,
It is D8.  I am not entirely sure what you mean.

On Wed, Aug 18, 2010 at 5:38 PM, Hamish <hamish_b at yahoo.com> wrote:
>> 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
>
>
>
>
>



-- 
Stephen Sefick
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