On Mon, Jul 15, 2013 at 11:09 PM, Nikos Alexandris <n...@nikosalexandris.net> wrote: > Moritz Lennert wrote: > > [..] >> > time i.segment -w group=pan_r_ir out=seg_weighted_pan_r_ir >> >> threshold=0.01 memory=8192 >> Loading input bands... >> Pass 1: >> ERROR: Invalid region id 0 > > [..] > >> What could be the problem ? > > Moritz, Markus, > > the same error today while performing a "random" test. Disk capacity and RAM > plenty here. > > time i.segment group=pan out=pan_segmented_plantations_area_threshold_1 > threshold=0.99
In most cases, this threshold is too large. It should be between 0 and 1, and rather close to zero. > [...] > Pass 13: > ERROR: Invalid region id 0 > > real 40m44.339s > user 37m34.357s > sys 0m0.380s > > Details > > projection: 1 (UTM) > zone: 38 > datum: wgs84 > ellipsoid: wgs84 > north: -2571782.5 > south: -2574924.5 > west: 359153.5 > east: 359525 > nsres: 0.5 > ewres: 0.5 > rows: 6284 > cols: 743 > cells: 4669012 > > Let me know how I can help. Can you make the dataset available (off-list if need be)? I can not reproduce this error with the datasets I have. Markus M _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev