[gdal-dev] COG driver create options vs GTiff

Even Rouault even.rouault at spatialys.com
Wed Nov 10 07:22:38 PST 2021



> some have a slightly different name (why?), such as:
>   BLOCKSIZE (instead of BLOCKXSIZE)
>   LEVEL (instead of ZLEVE)

Attempt to simplify things a bit


> some are necessarily additional, such as:
>   OVERVIEWS
>   TARGET_SRS
> some are removed, such as:
>   TILED (because it's implicit in COG)
> but that leaves a whole bunch of others which are not documented, and 
> I can't see in the code how they might be handled:

They aren't supported by the COG driver, which was meant to simplify COG 
creation and not overwhelm users. Most of them could likely be added 
back to the COG driver, if the need arose.


>   NBITS
>   DISCARD_LSB
>   ALPHA
>   PIXELTYPE
>   PROFILE
>   PHOTOMETRIC
>   GEOTIFF_KEYS_FLAVOR
>   TFW, RPB, RPCTXT

Even


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