Hi Stephen, Thanks for your reply. I thank the disk space is not problem because I still have 100Gb free. What was the dimension (row and columns) that you got success?! May be 7200x7200 is to large. (?)
Cheers milton 2009/7/24 stephen sefick <ssef...@gmail.com> > Do you have enough hard disk space? I have had a problem running > r.watershed on very large datasets (my computer is much more modest). > I have had luck resampling the data to a larger resolution and then > running r.watershed. r.watershed crashes at 10m res but will run just > fine at 50m. 1GB RAM. > > Stephen Sefick > > On Fri, Jul 24, 2009 at 5:57 PM, Milton Cezar > Ribeiro<miltinho.astrona...@gmail.com> wrote: > > Dear all, > > > > I am trying run a r.watershed command with one 7200x7200 DEM map. > > But after one day running, the system crash without finish the output > > generation. > > Please, see below (2 warnings before crash). > > By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista > > on a 6Gb/64 bits machine. > > > > Thanks for the help, > > > > milton > > === > > GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p > > projection: 0 (x,y) > > zone: 0 > > north: -23.99986111 > > south: -26.00013889 > > west: -49.00013889 > > east: -46.99986111 > > nsres: 0.00027778 > > ewres: 0.00027778 > > rows: 7201 > > cols: 7201 > > cells: 51854401 > > > > > > GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem > > GRASS 6.4.0svn > r.watershed.exe -m 4096 > > elevation=FabioASTGTM_S2526W04948_dem > > stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 > threshold=100 > > --o > > WARNING: Subprocess failed with exit code 255 > > WARNING: category information for > > [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in > > [PERMANENT] missing or invalid > > > > > > _______________________________________________ > > grass-user mailing list > > grass-user@lists.osgeo.org > > http://lists.osgeo.org/mailman/listinfo/grass-user > > > > > > > > -- > Stephen Sefick > > Let's not spend our time and resources thinking about things that are > so little or so large that all they really do for us is puff us up and > make us feel like gods. We are mammals, and have not exhausted the > annoying little problems of being mammals. > > -K. Mullis >
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