Markus No...same error /usr/local/grass-6.5.svn/scripts/v.rast.stats2: 350: Syntax error: "(" unexpected
Cheers Sab > <razmjoo...@faunalia.co.uk> wrote: >> >> I managed to compile grass6.5 and the plugin. >> Now when I try to run it, it comes up with this error: >> > So far so good... > >> /usr/local/grass-6.5.svn/scripts/v.rast.stats2: 350: Syntax >> error: "(" unexpected >> > I can't reproduce this in the North Carolina sample dataset, mapset user1 > with > g.copy vect=boundary_cou...@permanent,myboundary_county > v.rast.stats2 -c vector=myboundary_cou...@user1 > raster=elev_state_5...@permanent colprefix=alt > > Can you? > > Markus M > >> >>> On Fri, Nov 26, 2010 at 12:32 PM, <razmjoo...@faunalia.co.uk> wrote: >>>> Dear list >>>> >>>> I am trying to run v.rast.stats for a large vector file. It contains >>>> around 700000 buildings representing buildings. >>>> >>>> here is my g.region info >>>> g.region -p >>>> projection: 99 (Transverse Mercator) >>>> zone: 0 >>>> datum: osgb36 >>>> ellipsoid: airy >>>> north: 183010.45829976 >>>> south: 153516.19024768 >>>> west: 513122.49174945 >>>> east: 555953.95182415 >>>> nsres: 4.99987592 >>>> ewres: 5.00017045 >>>> rows: 5899 >>>> cols: 8566 >>>> cells: 50530834 >>>> >>>> THe problem I am having is the process is extremely slow. It has done >>>> 150 >>>> features out of 700000 areas after 2 hours. >>>> I need just the average raster value within each building (feature). >>>> My questions are: >>>> - Is there something I can do to speed up the process? >>>> - Is there a way just to get the average value rather than the whole >>>> set >>>> of statistical parameters (I am not even using -e option) >>>> >>> You could try v.rast.stats2 from grass-addons, it should complete in >>> less than 1 hour. When using v.rast.stats2 and grass 6.4, you also >>> need r,univar.zonal from grass-addons (not needed for grass 6.5). >>> >>> Markus M >>> >> >> >> > _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user