[GRASS-dev] [GRASS GIS] #2466: r.param.scale slow on Windows when there is no data in raster

GRASS GIS trac at osgeo.org
Thu Nov 6 18:56:33 PST 2014


#2466: r.param.scale slow on Windows when there is no data in raster
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 Reporter:  annakrat            |       Owner:  grass-dev@…              
     Type:  defect              |      Status:  new                      
 Priority:  normal              |   Milestone:  7.0.0                    
Component:  Raster              |     Version:  unspecified              
 Keywords:  r.param.scale, nan  |    Platform:  MSWindows 8              
      Cpu:  Unspecified         |  
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Comment(by annakrat):

 Replying to [comment:3 glynn]:
 > AFAICT, you either need to accept that nulls will propagate (i.e. if any
 cell in the window is null, the result will be null), or replace the
 least-squares fitting algorithm with something which can handle nulls.

 I changed it so that nulls propagate (r62648). I will test on Windows if
 there will be any speed difference.

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Ticket URL: <http://trac.osgeo.org/grass/ticket/2466#comment:4>
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