[gdal-dev] Black artifacts with JPEG compression

[Even Rouault]

> Am I overlooking something in my process?
No, you're just hitting a fundamental limitation of JPEG compresson
> Do you have any ideas on how I can get rid of the artifacts while 
> still keeping disk usage low?

Use lossy WEBP compression that fully supports transparency.

-- 
http://www.spatialys.com
My software is free, but my time generally not.
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