[GRASS-user] Bugs in r.stream.extract

[ming han]

Hi Everyone

    Hope this email finds you well. I got a weird result when using
r.stream.extract, as shown in the following figure.  The back grids is the
flow accumulation layer with a flow accumulation threshold larger than
1000. while the blue line is the stream generated by r.stream.extract.
    Why the stream from r.stream.extract did not follow flow accumulation
results?
    And how to fix this problem?
[image: image.png]
Thanks
Ming
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