hi I had a similar problem I looped over the polygons (with a script)
Grazia 2017-02-24 11:48 GMT+01:00 Leonardo <[email protected]>: > Hi all, > > I'm struggling to do Zonal Raster Statistics using v.rast.stats in GRASS > GIS. > This tool works neatly and fast, but seems it doesn't deal with > overlapping polygons. > > I'm using a polygon vector layer with overlapped polygons, I know, is not > topologically correct, but those polygons does't describe physical feature > but > just some figurative mask for the statistics, therefore should exist > overlapping > and I want the statisics calculated over the whole polygons. > > Using v.rast.stats with this vector layer the statistics seem to be > calculated > only over the non overlapping part of the feature, I've also tried to > import > the vector layer (originally was a shapefile) without build the topology, > but the results seem the same. > > I've test also the QGIS ZonalStats plugin, and it works exactly how I want, > the statistics for each polygon are calculate for the whole polygon, is > there a method > to do the same in GRASS GIS? > > Have someone some hint, possibly smarter and faster than looping ever each > feature > and then join each table? > > Thanks in advance, > Leonardo > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user
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