[gdal-dev] Create cloud optimized geotiff without re-encoding?

[mhw-at-yg]

On the Stack version of this question someone suggested "There should be an
option -co COPY_SRC_TIFF_TILES=YES" to copy the source image. (A corollary
to -co COPY_SRC_OVERVIEWS=YES.)

I now have another use case for this suggestion: using nearblack to add a
mask or alpha band to a jpeg-in-tiff image without re-encoding the
data-bearing pixels.




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-Matt
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