[GRASS-dev] quickest way to test whether a raster contains any non-null values in the current computational region ?

[Michel Wortmann]

Hi Moritz,
How about this:

info = grass.parse_command('r.univar', map='raster_xyz', flags='g')
print(int(info['n']), int(info['null_cells']))

Michel


> On 19 Oct 2018, at 15:36, Moritz Lennert <mlennert at club.worldonline.be> wrote:
> 
> Hi all,
> 
> What would be the quickest way to test whether a raster contains any non-null values in the current computational region ?
> 
> And the correlary: what would be the quickest way to test whether a raster contains any null values in the current computational region ?
> 
> This will be applied in Python, so if there are any special Python functions, these are welcome, too.
> 
> Moritz
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