On 09/13/2010 11:47 AM, jeremy jozwik wrote:
> hello list, just added my self so i hope this is an active list.
> im am attempting to batch compress OSM tile images. they are of png
> format, otherwise i would have used cjpeg.
> anyhow the script need only open the images in a folder and save them
> out with a different compression level 
<<< snip >>>
It seems to me that using Gimp for this task is perhaps not the best use of
or of your time. I do not know the specific answer to your question about the
problem you are encountering, but perhaps a program such as ImageMagick
would be more suitable. ImageMagick is specifically designed to do the kind of
batch tasks that I believe I understand you wish to accomplish. We use it to
process tens of thousands of images (making multiple sizes of JPEGs from
but I don't have any specific experience with the task you are attempting.
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