[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:  LFS, r.watershed  |    Platform:  MSWindows 7              
      Cpu:  x86-64            |  
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Comment(by mehmeto):

 Replying to [comment:4 neteler]:
 > If you calculate 4 * 60175190 bytes = 240700760 which is > 2^31.
 > It seems that you have hit the 2GB barrier on 32bit which means that
 > either Large File Support (LFS) is not enabled in your copy of winGRASS
 or
 > that r.watershed lacks LFS support on GRASS 6 which I don't believe.
 > (maybe related to ticket #1903)

 With all due respect I can not understand why this may be the problem. I
 am working with a standard demo file (North Carolina) that comes with the
 installation package, followed instructions on a tutorial for beginners
 located in the Grass Wiki, the layer I work on looks like to be a rather
 small one as suggested by the tutorial, I downloaded the latest version of
 Grass today  (v. 6.4.3RC4), it seems they enable LFS on all new
 installations as default and I work with a 64-bit Windows machine. Would
 it not be strange to suggest such a problematic task in a beginners'
 tutorial?

 I looked for a way to enable LFS if it was disabled but [[Large File
 Support this wiki article]] sounds rather technical and I failed to find a
 procedure elsewhere. Also tried to do the same on a different computer
 (again Windows 7) and got the same error message.

 -Mehmeto

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Ticket URL: <http://trac.osgeo.org/grass/ticket/2036#comment:5>
GRASS GIS <http://grass.osgeo.org>