> Actually if the vector is added again to the project the 3 new columns > are there (sum,avg,count), but are filled with NULLs. > > Anyone else is getting the same?
Just tested and the zonal statistics seems to work here. However, I think it only works with single band rasters. Please fill a ticket and attach test data. Regards, Marco Am Dienstag, 21. Juni 2011, 16.50:03 schrieb Giovanni Manghi: > On Tue, 2011-06-21 at 14:55 +0100, Frederico Mestre wrote: > > Hello, > > > > > > I'm trying to retrieve some statistics from several rasters, based on > > overlaying vectors. > > I gave a try to the new "zonal statistics" tool available in qgis-trunk. > After choosing the raster and vector map and the prefix for new table > columns, when pressing "ok" it seems to do nothing. > > Actually if the vector is added again to the project the 3 new columns > are there (sum,avg,count), but are filled with NULLs. > > Anyone else is getting the same? > > > cheers > > -- Giovanni -- > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user -- Dr. Marco Hugentobler Sourcepole - Linux & Open Source Solutions Churerstr. 22, CH-8808 Pfäffikon SZ, Switzerland [email protected] http://www.sourcepole.ch Technical Advisor QGIS Project Steering Committee _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
