[GRASS-user] r.watershed crashing grass.
Milton Cezar Ribeiro
miltinho.astronauta at gmail.com
Fri Jul 24 22:47:23 EDT 2009
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. (?)
2009/7/24 stephen sefick <ssefick at 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.astronauta at 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
> > --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 at 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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