[gdal-dev] NITF read slow in python

[Even Rouault]

Le mercredi 06 août 2014 20:16:57, John_Lunzer a écrit :
> They are listed as C8, which means JPEG2000 compression.

That must be it. JPEG2000 decompression takes some time, and that can be more 
or less slow depending on the underlying driver used. Do you have JP2KAK, 
JP2ECW, JP2OPENJPEG, JP2MrSID or JPEG2000 drivers enabled ? (if you have 
several, they are used in the mentionned order)

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