On 27 October 2016 at 11:08, Moritz Lennert <[email protected]> wrote:
> > > Le 27 octobre 2016 11:22:02 GMT+02:00, James Duffy < > [email protected]> a écrit : > >Hello, > > > >I'm trying to use i.segment.stats with GRASS 7.0.4 in the osgeolive > >32bit > >operating system. > > > >Prior to using this tool I have successfully created my segmented map > >using > >i.segment. > > > >When I try to execute the following command: > > > >i.segment.stats --overwrite --verbose map=gp_seg_optimum@gp1 \ > >rasters=gp_ortho.1@gp1,gp_ortho.2@gp1,gp_ortho.3@gp1,gp_ortho.4@gp1 \ > >raster_statistics=min,max,mean,stddev,variance,sum \ > >csvfile=/home/jpd205/Wales_GRASS/GarronPill/gp_seg_stats \ > >separator=comma > > > >I get this error: > > > >Calculating geometry statistics > >ERROR: G_malloc: unable to allocate 4273800320 bytes of memory at > > /tmp/tmpgzUtnA/r.object.geometry/main.c:129 > > This is coming from r.object.geometry. > > What are your region settings (g.region -p) ? How many segments do you > have ? > GRASS 7.0.4 (GarronPill):~ > g.region -p projection: 99 (OSGB 1936 / British National Grid) zone: 0 datum: osgb36 ellipsoid: airy north: 208007.00931776 south: 207952.59780698 west: 200993.90853302 east: 201097.28911076 nsres: 0.00430914 ewres: 0.00430914 rows: 12627 cols: 23991 cells: 302934357 > > Try running I.segment.stats without requesting form statistics. Running: i.segment.stats --overwrite --verbose map=gp_seg_optimum@gp1 \ csvfile=/home/jpd205/Wales_GRASS/GarronPill/gp_seg_stats \ separator=comma Gives: Calculating geometry statistics ERROR: G_malloc: unable to allocate 4273800320 bytes of memory at /tmp/tmpgzUtnA/r.object.geometry/main.c:129 And try running r.object.geometry directly. > Running: r.object.geometry --overwrite --verbose input=gp_seg_optimum@gp1 \ output=/home/jpd205/Wales_GRASS/GarronPill/gp_test separator=comma Gives: Current region rows: 12627, cols: 23991 ERROR: G_malloc: unable to allocate 4273800320 bytes of memory at /tmp/tmpgzUtnA/r.object.geometry/main.c:129 > > Moritz > > Thanks for your reply. James
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