Hi, Am Tue, 12 Jan 2010 00:26:55 +0100 schrieb Markus Neteler <[email protected]>:
> (cc grass-psc) > > On Mon, Jan 11, 2010 at 10:10 AM, Otto Dassau <[email protected]> > wrote: > > Dear GRASS developers, > > > > I would like to apply for write access to the GRASS-Addons-SVN > > repository. > > > > I was looking for a faster v.rast.stats implementation to calculate > > univariate statistics based on vector polygons, because I need to > > do this for large raster maps and the current v.rast.stats is just > > too slow. > > > > In the GRASS-Addons-SVN repository I found r.univar.zonal [1] from > > Markus Metz, so I adapted the script v.rast.stats to use > > r.univar.zonal. The result v.rast.stats2 is a lot faster. See test > > with spearfish below: > > > > # current v.rast.stats > > time v.rast.stats -c -e vector=fields raster=elevation.10m col=elev > > real 2m6.139s > > user 2m1.616s > > sys 0m4.464s > > > > # v.rast.stats2 based on r.univar.zonal > > time v.rast.stats_neu -c -e vector=fields raster=elevation.10m > > col=elev real 0m3.249s > > user 0m2.784s > > sys 0m0.444s > > > > [1] http://grass.osgeo.org/wiki/GRASS_AddOns#r.univar.zonal > > > > I would be happy, if the script v.rast.stats2 and r.univar.zonal > > from Markus Metz would finally, after an incubation phase, make it > > into the sources for GRASS future versions. > > > > thanks a lot > > Otto > > Dear Otto, > > this sounds great. We would need the magical phrase related to RFC2 > from you, see > http://trac.osgeo.org/grass/wiki/HowToContribute#WriteaccesstotheGRASS-Addons-SVNrepository I read and accept the "Legal aspects of code contributions (RFC2)". my OSGEO ID is dassau thanks a lot Otto > Then we can activate your account. > > Best, > Markus _______________________________________________ grass-psc mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-psc
