[GRASS-dev] [GRASS GIS] #2036: Failed watershed analysis on Grass

[GRASS GIS]

#2036: Failed watershed analysis on Grass
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 Reporter:  mehmeto             |       Owner:  grass-dev@…              
     Type:  defect              |      Status:  new                      
 Priority:  normal              |   Milestone:  6.4.4                    
Component:  Raster              |     Version:  6.4.2                    
 Keywords:  grass, r.watershed  |    Platform:  MSWindows 7              
      Cpu:  x86-64              |  
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Comment(by mehmeto):

 Replying to [comment:1 hellik]:

 Thanks for your reply, hellik.

 > Replying to [ticket:2036 mehmeto]:
 > > This is my first day with Grass GIS (version 6.4.2 for Windows).
 >
 > would it possible to test it with the latest 6.4.3RC4

 Done. Got the same error message.

 >
 > http://grass.osgeo.org/grass64/binary/mswindows/native/
 > or
 > http://trac.osgeo.org/osgeo4w/wiki/pkg-grass
 >
 >
 > >
 > > {{{
 > > (Thu Jul 18 14:10:00 2013)
 > > r.watershed elevation=elevation at PERMANENT basin=elev.basins
 stream=elev.streams threshold=10000
 >
 > does a smaller threshold work?

 A threshold as small as 100 yielded the same message. Grass Wiki tutorial
 suggested 10,000 as a threshold, anyway.

 >
 >
 > > SECTION 1a (of 5): Initiating Memory.
 > > SECTION 1b (of 5): Determining Offmap Flow.
 > > SECTION 2: A * Search.
 > > SECTION 3: Accumulating Surface Flow with SFD.
 > > ERROR: G_calloc: unable to allocate 4 * 60175190 bytes at main.c:91
 >
 > what does ''g.region -p'' says

 Sorry but being a beginner with this program I do not understand what you
 mean by this, could you please be more specific?

 -Mehmeto

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Ticket URL: <http://trac.osgeo.org/grass/ticket/2036#comment:2>
GRASS GIS <http://grass.osgeo.org>