Le 30/11/2023 à 21:19, Meyer, Jesse R. (GSFC-618.0)[SCIENCE SYSTEMS AND
APPLICATIONS INC] via gdal-dev a écrit :
Hi,
I have gdal 3.8.1 installed via Brew which includes liblerc and zstd
as part of their formulae, so I assumed I could use the creation
options “COMPRESS=LERC_ZSTD” and “MAX_Z_ERROR=x” as documented on the
GTIFF page when creating a new gtif image.
But when I do GDAL states:
“Warning 6: 'LERC_ZSTD' is an unexpected value for COMPRESS creation
option of type string-select.
Warning 6: driver GTiff does not support creation option MAX_Z_ERROR”
"gdalinfo --format GTtiff" will report the options available in your
GDAL build
So I am not sure if this is an issue with the driver itself or with
the brew formula. Please advise,
In the brew formula. In the libtiff one more exactly, as this capability
comes from libtiff. Just checking
https://github.com/Homebrew/homebrew-core/blob/b4698a581c0d752241353682fecd627d85ca6dd6/Formula/lib/libtiff.rb,
it lacks a liblerc dependency.
You could try from Conda, since its libtiff includes lerc support (3.8.1
hasn't yet landed there, but it should come soon)
Thanks,
Jesse
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