[GRASS-dev] [GRASS GIS] #3756: r.watershed: flow accumulation wrong with edge contamination

GRASS GIS trac at osgeo.org
Thu Feb 21 02:41:20 PST 2019


#3756: r.watershed: flow accumulation wrong with edge contamination
-------------------------+-------------------------------------------------
  Reporter:  itati01     |      Owner:  grass-dev@…
      Type:  defect      |     Status:  new
  Priority:  normal      |  Milestone:
 Component:  Raster      |    Version:  svn-releasebranch76
Resolution:              |   Keywords:  r.watershed, flow accumulation,
       CPU:              |  edge contamination
  Unspecified            |   Platform:  Unspecified
-------------------------+-------------------------------------------------

Comment (by itati01):

 Your first answer explained already everything. Thank you very much for
 this exhaustive explanation. I had assumed that negative values are also
 cumulated. So, I will close this ticket and have to find some other way
 without setting channel cells to nodata.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3756#comment:4>
GRASS GIS <https://grass.osgeo.org>



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