> > Oh, I see... then, t.rast.accumulate is what you need. The default method > "mean" does the sum.
So "mean" is actually sum? > > Maybe, something like this (please re-check the cycle and granularity > parameters, i didn't test) > > t.rast.accumulate input=3hr_rainrate output=10day_acum_precip > base=10day_acc_prec start="2001-01-01" end="2001-01-20" cycle="10 days" > granularity="1 days" method=mean I tried this, "end" should be "stop" t.rast.accumulate --overwrite input=10day_hourly output=10day_accumulation base=10day_accumulation \ start="2014-11-04 11:00:00" stop="2014-12-04 11:00:00" cycle="10 days" granularity="1 days" method=mean The process wouldn't stop, my area is very small so I expect it to finish in less than an hour: > g.region -p projection: 3 (Latitude-Longitude) zone: 0 datum: wgs84 ellipsoid: wgs84 north: 22N south: 4N west: 115E east: 155E nsres: 0:15 ewres: 0:15 rows: 72 cols: 160 cells: 11520 -- cheers, maning ------------------------------------------------------ "Freedom is still the most radical idea of all" -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ ------------------------------------------------------ _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user