Hi If I run g.region rast=rainfall -p, I get: projection: 3 (Latitude-Longitude) zone: 0 datum: wgs84 ellipsoid: wgs84 north: 33:40:46.49916S south: 34:20:55.49928S west: 18:17:55.50036E east: 19:10:16.50036E nsres: 0:00:05.01875 ewres: 0:00:02.18125 rows: 480 cols: 1440 cells: 691200
and If I run r.univar rainfall, I get the following output: 100% total null and non-null cells: 691200 total null cells: 0 Of the non-null cells: ---------------------- n: 691200 minimum: 0 maximum: 3094 range: 3094 mean: 22.0228 mean of absolute values: 22.0228 standard deviation: 76.1639 variance: 5800.94 variation coefficient: 345.841 % sum: 15222164 On Tue, Jun 15, 2010 at 12:22 PM, Hamish <hamis...@yahoo.com> wrote: > Micha wrote: > > The only unusual thing I notice above is that the resolution settings > > for the raster are different N-S and E-W. This came from the original > > tiff (see below) which also has rectangular pixels, > > that is perfectly normal for a lat/lon map away from the equator. > longitude scales a cos(lat). > > > > (the v.rast.stats module creates a temp raster at the *current region's > > resolution* settings, which might be different from this rainfall > > raster's rectangular resolution...) > > the results of: > > g.region -p rast=mapname > r.univar mapname > > > could help. > > > Hamish > > > > -- Kind Regards TS Gumede CSIR, Meraka Institute 072 258 1650
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