On Fri, Oct 19, 2018 at 4:04 PM Moritz Lennert <mlenn...@club.worldonline.be> wrote: > > On 19/10/18 15:48, Michel Wortmann wrote: > > Hi Moritz, > > How about this: > > > > info = grass.parse_command('r.univar', map='raster_xyz', flags='g') > > print(int(info['n']), int(info['null_cells'])) > > Thanks ! > > Yes, this is one option. I was wondering if there was any faster option > than actually having to read the map in the whole region with r.univar, > but probably there isn't.
You need a module that reads the whole map, and the fastest way to get the number of non-null values is most probably r.univar -g, as mentioned by Michel Wortmann. Markus M > > Moritz > _______________________________________________ > grass-dev mailing list > grass-dev@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-dev
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