Thank Glynn. But how can I retrieve min and max using  a Python Script?

2010/10/25 Glynn Clements <[email protected]>

>
> 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 <[email protected]>
>
_______________________________________________
grass-user mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/grass-user

Reply via email to