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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