[GRASS-dev] [GRASS GIS] #1154: r.drain hangs using an r.walk surface

GRASS GIS trac at osgeo.org
Sun Sep 12 13:41:28 EDT 2010


#1154: r.drain hangs using an r.walk surface
-----------------------+----------------------------------------------------
 Reporter:  abevan     |       Owner:  grass-dev@…              
     Type:  defect     |      Status:  new                      
 Priority:  normal     |   Milestone:  7.0.0                    
Component:  Raster     |     Version:  svn-trunk                
 Keywords:  r.drain    |    Platform:  MacOSX                   
      Cpu:  OSX/Intel  |  
-----------------------+----------------------------------------------------
 GRASS 7.0.svn (spearfish):~ > r.walk -k -n elevation=elevation.10m
 friction=elevation.10m coordinate=603289,4925264 output=anisoA
 outdir=anisoAdir lambda=0
 [[BR]]
 Walking costs are a=0.720000 b=6.000000 c=1.999800 d=-1.999800
 Lambda is 0.000000
 Slope_factor is -0.212500
 --------------------------------------------
 Will need at least 9.23 MB of disk space
 Will need at least 12.29 MB of memory
 --------------------------------------------
 Reading raster maps <elevation.10m at PERMANENT> and
 <elevation.10m at PERMANENT>, initializing output...
  100%
 Initializing directional output
  100%
 Finding cost path
  100%
 Writing output raster map anisoA...
  100%
 Writing movement direction file anisoAdir...
  100%
 r.walk complete. Peak cost value: 18025.341210.
 [[BR]]
 GRASS 7.0.svn (spearfish):~ > r.drain -c -d input=anisoA indir=anisoAdir
 output=fromAtoB coordinate=595080,4918109 --v
 [[BR]]
 Directional drain selected... checking for direction raster
 direction read: 67.500000, neighbour found: 675
 direction read: 22.500000, neighbour found: 225
 direction read: 22.500000, neighbour found: 225
 direction read: 22.500000, neighbour found: 225
 direction read: 90.000000, neighbour found: 900
 direction read: 0.000000, neighbour found: 0
 direction read: 180.000000, neighbour found: 1800
 direction read: 0.000000, neighbour found: 0
 direction read: 180.000000, neighbour found: 1800
 direction read: 0.000000, neighbour found: 0

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Ticket URL: <https://trac.osgeo.org/grass/ticket/1154>
GRASS GIS <http://grass.osgeo.org>



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