python image - ignore values in resize

Lie Ryan lie.1296 at
Sat Mar 7 06:02:56 CET 2009

Travis Kirstine wrote:
> I have be attempting to resize (downsample) a RGB image using the
> python image library resize function.  Everything works fine but I
> would like to exclude black values 0,0,0 from the calculations.  I
> have tried creating a alpha mask based on black values then performing
> the resize but that only create partially transparent tiles in the
> regions that had black values

Crop the image first.

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