[GRASS-dev] Re: [GRASS GIS] #1006: r.terraflow fails to stat() stream file on Windows

[GRASS GIS]

#1006: r.terraflow fails to stat() stream file on Windows
------------------------------+---------------------------------------------
  Reporter:  marisn           |       Owner:  grass-dev at lists.osgeo.org
      Type:  defect           |      Status:  new                      
  Priority:  critical         |   Milestone:  6.4.0                    
 Component:  Raster           |     Version:  svn-releasebranch64      
Resolution:                   |    Keywords:  wingrass, r.terraflow    
  Platform:  MSWindows Vista  |         Cpu:  x86-32                   
------------------------------+---------------------------------------------
Comment (by hellik):

 Replying to [comment:28 hamish]:
 > Replying to [comment:27 hamish]:
 > > as LFS support for WinGrass is not a goer for 6.4.0, how about
 > > if we #ifdef the ftell() patch for MINGW32 in the release branch,
 > > and leave the UNIXes running the non-portable stat() version.
 > >
 > > Lack of large file support especially sucks for r.terraflow which
 > > likes to have very large temp files, but it's better than the
 > > current situation on WinGrass which is that the module won't run
 > > at all.
 > >
 > > Maybe we can figure out something better to include with 6.4.1.
 >
 >
 > patch attached for consideration. debug messages should be removed after
 testing.
 >
 >
 > Hamish

 patch tested on a self compiled grass65 on WinVista 32. shortened error
 log attached.

 {{{
 r.terraflow --verbose elevation=elevation at PERMANENT filled=filflood
 direction=flowdir swatershed=sinkwatershed accumulation=flowacc
 tci=tpoconv memory=800
 MFD flow direction
 D8CUT=999999986991104.000000
 Memory size: 800.00M (838860800) bytes
 Memory manager registering memory in MM_WARN_ON_MEMORY_EXCEEDED mode.
 cell elevation header compatible with region header
 Elevation stored as FLOAT (4B)
 Region size is 1350 x 1500
 STREAM temporary files in
 C:/Users/syringia/AppData/Local/Temp  (THESE INTERMEDIATE
 STREAMS WILL NOT BE DELETED IN CASE OF ABNORMAL TERMINATION
 OF THE PROGRAM. TO SAVE SPACE PLEASE DELETE THESE FILES
 MANUALLY!)
 Reading data from <elevation> to stream
 <C:/Users/syringia/AppData/Local/Temp/STREAM_a06204>
 [...]
 Assertion failed: ae == AMI_ERROR_NO_ERROR, file
 filldepr.cc, line 136
 This application has requested the Runtime to terminate it
 in an unusual way.
 Please contact the application's support team for more
 information.
 UnionFind::makeSet: reallocate double 2000
 UnionFind::makeSet: reallocate double 4000
 }}}

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/1006#comment:29>
GRASS GIS <http://grass.osgeo.org>