[GRASS-dev] quickest way to test whether a raster contains any non-null values in the current computational region ?
Moritz Lennert
mlennert at club.worldonline.be
Fri Oct 19 07:04:01 PDT 2018
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.
Moritz
More information about the grass-dev
mailing list