It might be something to do with v.db.addcol in windows: http://osgeo-org.1803224.n2.nabble.com/GRASS-GIS-1110-v-rast-stats-locks-up-on-wingrass-td5311955.html
cheers Sab > Hello, > > which GRASS version are you using and on which plattform? > > I did it with GRASS 6.4.0RC6 on Linux using the example GRASS dataset and > it > worked without problems: > > v.rast.stats -e vector=geol...@permanent layer=1 > raster=elevat...@permanent > colprefix=new_ percentile=90 > > and the new attribute table when querying the vector file looks like this: > cat : 270 > onemap_pro : 333074592 > PERIMETER : 191354.515625 > GEOL250_ : 271 > GEOL250_ID : 270 > GEO_NAME : CZig > SHAPE_area : 333074608.99 > SHAPE_len : 191354.519722 > new__n : 24 > new__min : 106.708168 > new__max : 108.974335 > new__range : 2.266167 > new__mean : 107.466569 > new__stdde : 0.653831 > new__varia : 0.427495 > new__cf_va : 0.608404 > new__sum : 2579.197662 > new__first : 106.772 > new__media : 107.506 > new__third : 107.803 > new__per90 : 108.416 > > regards, Martin > > > On Freitag, 6. August 2010 10:22:10 katrin eggert wrote: >> Hi >> Thanks Martin but It's not working. With the following command >> v.rast.stats -c -e --verbose vector=s...@permanent >> raster=se...@permanentcolprefix=stat >> >> I'm getting this error: >> Adding columns ' stat_n INTEGER, stat_min DOUBLE PRECISION, stat_max >> DOUBLE >> PRECISION, stat_range DOUBLE PRECISION, stat_mean DOUBLE PRECISION, >> stat_stdde DOUBLE PRECISION, stat_varia DOUBLE PRECISION, stat_cf_va >> DOUBLE >> PRECISION, stat_sum DOUBLE PRECISION, stat_first DOUBLE PRECISION, >> stat_media DOUBLE PRECISION, stat_third DOUBLE PRECISION, stat_per90 >> DOUBLE >> PRECISION' >> C:/GRASS6/scripts/v.rast.stats: line 268: v.db.addcol: >> command not found >> ERROR: Cannot continue (problem adding columns). >> >> Why am I getting this? Or, what I have to do before I run v.rast.stat? >> Thanks >> Kat >> >> >> >> 2010/8/5 Martin Wegmann <martin.wegm...@uni-wuerzburg.de> >> >> > Hello, >> > >> > I think v.rast.stats is what you are looking for >> > >> > http://grass.itc.it/gdp/html_grass64/v.rast.stats.html >> > >> > regards, Martin >> > >> > On Donnerstag, 5. August 2010 18:25:37 katrin eggert wrote: >> > > Hello >> > > >> > > I have polygon layer which divides my image into several areas all >> > > contiguous. With the same size, I have a raster image. I want to: >> > > >> > > - calculate the most frequent value of the raster inside each >> polygon; >> > > >> > > - the maximum and minimum value inside each polygon >> > > >> > > How can this be done in GRASS? >> > > >> > > >> > > Thanks >> > > >> > > Katrin > > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user