Hi Markus I managed to compile grass6.5 and the plugin. Now when I try to run it, it comes up with this error:
/usr/local/grass-6.5.svn/scripts/v.rast.stats2: 350: Syntax error: "(" unexpected Cheers Sab > 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