Also, theres a utility in SAGA, implemented within the Processing toolbox. See SAGA -> Shapes - Grid -> Grid statistics for polygons
Lets you calculate: * Number of Cells * Minimum * Maximum * Range * Sum * Mean * Variance * Standard Deviation * Specified Quartiles Hope that helps, mike On Sun, Apr 19, 2015 at 11:54 AM, Micha Silver <[email protected]> wrote: > > > On 04/19/2015 12:34 PM, Johan Nilsson wrote: > > Zonal statistics work well to extract, numers of cells(counts) , sum of > the value (sum) and also average (mean) But I want the minimum AND > max-value and also standard error, if possible. Is there another plugin or > a tutorial how it may bee done in another way. > > The GRASS module v.rast.stats does what you want. But it's not in the > Processing toolbox. You can import your raster into a GRASS mapset then do > the analysis directly within GRASS. > > The code to Zonal statistics are here, but I'm total lost in how it work. > > > https://github.com/qgis/QGIS/blob/a2f51260db5357917e86b78f1bb2915379d670dd/src/analysis/vector/qgszonalstatistics.cpp > > /Cheers > > This mail was received via Mail-SeCure System. > > > _______________________________________________ > Qgis-user mailing > [email protected]http://lists.osgeo.org/mailman/listinfo/qgis-user > This mail was received via Mail-SeCure System. > > > > > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user >
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