Thank Glynn. But how can I retrieve min and max using a Python Script?
2010/10/25 Glynn Clements <gl...@gclements.plus.com> > > 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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