[GRASS-user] flow accumulation values

Micha Silver micha at arava.co.il
Fri Aug 26 00:56:02 PDT 2016



I also noticed that r.stream.extract finds different flow-paths than 
r.watershed, which complicates comparisons between the two. The 
work-around for this is to use a mask to force r.stream.extract to find 
the flow-path you want.
>> r.stream.extract is the preferred stream extraction tool.
> OK, but a flow accum raster is required for running r.stream.order 
> (which outputs flow_accum) and AFAIK, the only way to get a flow_accum 
> raster is with r.watershed.
> ??
>

BTW, I'm not the only one who has encountered this:

http://gis.stackexchange.com/questions/201118/how-to-obtain-accumulation-map-from-r-stream-extract

Thanks,

> Best,
> Micha
>
>>

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