Matt,
You can create external overviews with the -ro switch
Even
Le 14/06/2021 à 21:12, matt.wil...@yukon.ca a écrit :
Your initial test.tif file needs to be a bigtiff, i.e. have been
created with -co "BIGTIFF=YES". you can then drop the bigtiff
config arguments of your gdaladdo call.
Ahh, thanks Thomas, that indeed is the problem.
Unfortunately for me it means in this case I'm stuck, as the original is
jpeg-tiff and I don't want to pay the penalty of another decompress-recompress
cycle to change to big tiff. However at least I know what's going on now.
-Matt
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