[GRASS-dev] Re: [GRASS GIS] #1006: r.terraflow fails to create temp file on Windows when launched from wxgui

[GRASS GIS]

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

 Replying to [comment:14 hamish]:

 > for me on 32bit linux I get this output for that line (spearfish's
 elevation.dem)
 >
  {{{
  evelation.dem:
  rows:       466
  cols:       633
  ...
  MFD flow direction
  D8CUT=999999986991104.000000
  Memory size: 300.00M (314572800) bytes
  Memory manager registering memory in MM_WARN_ON_MEMORY_EXCEEDED mode.
  Reading data from <elevation.dem> to stream </var/tmp//STREAM_qylbyz>
   100%

  /var/tmp//STREAM_qylbyz: length = 1179912   sizeof(T)=4
  /var/tmp//STREAM_qylbyz: length = 1179912   sizeof(T)=4

  total elements=294978, nodata elements=2661
  largest temporary files:
  FILL: 15.75M (16518768) [294978 elements, 56B each]
  FLOW: 22.30M (23385360) [292317 elements, 80B each]
  Will need at least 44.60M (46770720) space available in /var/tmp/
  ------------------------------
  COMPUTING FLOW DIRECTIONS
  ...
 }}}

 and with spearfish's elevation.dem on WinVista32

 {{{
 r.terraflow --verbose elevation=elevation.dem at PERMANENT
 filled=floodedelevdem direction=flowdirrast swatershed=sinkwatershrast
 accumulation=flowaccrast tci=topoconvrast memory=900
 ...
 MFD flow direction
 D8CUT=999999986991104.000000
 Memory size: 900.00M (943718400) bytes
 Memory manager registering memory in MM_WARN_ON_MEMORY_EXCEEDED mode.
 C:/Users/syringia/AppData/Local/Temp/STREAM_a03800: length =
 17179869184   sizeof(T)=1
 D3/3: nrows=466   ncols=633    stream_len()=0
 C:/Users/syringia/AppData/Local/Temp/STREAM_a03800: length =
 17179869184   sizeof(T)=0
 Assertion failed: nrows * ncols == str->stream_len(), file
 grass2str.h, line 146
 ...
 }}}

 Helmut

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/1006#comment:16>
GRASS GIS <http://grass.osgeo.org>