Kim Besson wrote:
> I have a python script where I need to check if an input raster map has any
> valid pixel (at least one pixel that is not null). How can I check this
> (easy and quick way?) in order to be integrated in my Script?
Check the range:
$ r.mapcalc --o 'foo = null()'
$ r.info -r foo
min=NULL
max=NULL
The range can only have min=max=NULL if there are no non-null cells.
--
Glynn Clements <gl...@gclements.plus.com>
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