Hi Even. I created a ticket: https://github.com/OSGeo/gdal/issues/4848
Thanks. >We would need a MAX_Z_ERROR_OVERVIEW config option for that. Please >file an enhancement ticket > >Even >Le 18/11/2021 à 12:44, Duarte Carreira a écrit : >>* Hi there. *>>>>* I am looking into compressing overviews for a DEM, with LERC_DEFLATE *>>* and it works. But I'm trying to set the precision loss and get better *>>* compression, since for overviews I don't really care that much. *>>* Ok, so the question is how to set the MAX_Z_ERROR for overviews *>>* compressed with LERC_DEFLATE? *>>>>* More context: *>>* My reasoning is to compress losslessly the dem with deflate predictor *>>* 3, and then compress "lossly" the overviews with lerc_deflate. *>>* Since this is 32bit dataset, I can't use jpeg on the overviews. *>>>>* Thanks in advance. *>>* Duarte*
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