I'm running GRASS6.4RC6 in Windows with a 2-week old Binary (we are only using Windows here). With that exact command I got: C:/GRASS6/scripts/v.rast.stats: line 268: v.db.addcol: command not found ERROR: Cannot continue (problem adding columns).
Is this a common/expected problem in Windows? if yes, how can I perform this analysis without using v.rast.stats? Thanks Kat 2010/8/6 Martin Wegmann <[email protected]> > 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 <[email protected]> > > > > > 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 > >
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