[GRASS-dev] [GRASS GIS] #2637: Get direction raster in clockwise degrees starting from the North

[GRASS GIS]

#2637: Get direction raster in clockwise degrees starting from the North
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  Reporter:  cgravelm     |      Owner:  grass-dev@…
      Type:  enhancement  |     Status:  new
  Priority:  normal       |  Milestone:  7.4.1
 Component:  Raster       |    Version:  7.0.0
Resolution:               |   Keywords:
       CPU:  Unspecified  |   Platform:  MacOSX
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Comment (by hellik):

 Replying to [comment:34 mmetz]:
 > Replying to [comment:33 hellik]:
 > > Replying to [comment:32 neteler]:
 > > > Replying to [comment:31 cmbarton]:
 > > > > Thanks! Great news.
 > > >
 > > > Please report if it works ok (It may be a backport candidate).
 > >
 > > tested it a bit; seems to work so far.
 > >
 > > the only thing for improving seems to assign a working raster color
 scheme for this new aspect type map.
 > >
 > > as far as what I've seen, the result raster map is black.

 I mean the result map where the color scheme is automatically set by
 r.slope.aspect (see attached: aspect_nflag.png

 >
 > The current aspect color scheme is
 > {{{
 > 0% black
 > 50% white
 > 100% black
 > }}}
 >
 > assuming that aspect is in degrees (CCW from East or CW from North), a
 color scheme like
 > {{{
 > 0 black
 > 180 white
 > 360 black
 > }}}
 >
 > should work.

 this scheme looks good, see attached
 aspect_nflag_color_color_manual_set.png

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2637#comment:35>
GRASS GIS <https://grass.osgeo.org>