[GRASS-dev] [GRASS GIS] #3605: r.flow incorrect output with upslope flag

[GRASS GIS]

#3605: r.flow incorrect output with upslope flag
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 Reporter:  marisn       |      Owner:  grass-dev@…
     Type:  defect       |     Status:  new
 Priority:  normal       |  Milestone:  7.6.0
Component:  Raster       |    Version:  svn-trunk
 Keywords:  r.flow       |        CPU:  Unspecified
 Platform:  Unspecified  |
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 With certain slope configurations r.flow produces really strange output.
 {{{
 g.region n=200 s=0 e=200 w=0 res=1
 r.mapcalc expression="sincos=sin(row()*5)*cos(col()*5)"
 r.flow -u elevation=sincos flowlength=flow_path
 }}}

 There is an old report of potentially incorrect array access, but no idea
 if it might be related: #1311

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3605>
GRASS GIS <https://grass.osgeo.org>