[GRASS-dev] [GRASS GIS] #3336: r.viewshed max_distance always in meters

GRASS GIS trac at osgeo.org
Wed Apr 19 08:19:48 PDT 2017


#3336: r.viewshed max_distance always in meters
-----------------------+-----------------------------
  Reporter:  annakrat  |      Owner:  grass-dev@…
      Type:  defect    |     Status:  new
  Priority:  normal    |  Milestone:  7.2.2
 Component:  Raster    |    Version:  svn-trunk
Resolution:            |   Keywords:  viewshed, units
       CPU:  All       |   Platform:  All
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Comment (by annakrat):

 Replying to [comment:3 pvanbosgeo]:
 > Replying to [comment:2 annakrat]:
 > > Replying to [comment:1 pvanbosgeo]:
 > > > If opting for the second option, I would suggest, if possible, to
 include the option to set value in meters as well, or more in general, to
 include the option to set the unit.
 > >
 > > I don't think that's necessary here, ideally max_distance should be in
 the map units, that's what everybody would expect, setting specific units
 just for max_distance doesn't add much to the usability in my opinion.
 > Can r.viewshed be run in latlon? In that case, being able to set the
 maximum distance in meters could make sense?

 I believe so, in latlon it uses meters, so that should be clarified in the
 manual.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3336#comment:4>
GRASS GIS <https://grass.osgeo.org>



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