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

[GRASS GIS]

#3756: r.watershed: flow accumulation wrong with edge contamination
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  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
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Changes (by itati01):

 * Attachment "d_rast_error.png" added.

 Figure 1: Output of d.rast.arrow with the flow direction as input, the
 blue rectangle similar to Figure 2, red rectangles indicate wrong
 interpretation of negative flow directions

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