Le 12/04/2023 à 11:45, Michael Smith a écrit :
I guess I thought GTIFF_REPORT_COMPD_CS would only change the display of the output, not change the interpretation of the SRS?
It is documented in https://gdal.org/drivers/raster/gtiff.html as:
"""GTIFF_REPORT_COMPD_CS : Can be set to TRUE to avoid stripping the vertical CRS of compound CRS when reading the SRS of a file. Does not affect the writing side. Default value : FALSE for GeoTIFF 1.0 files, or TRUE (starting with GDAL 3.1) for GeoTIFF 1.1 files."""
This seems to be a reasonably concise description of its effect (if you've suggestion to make it clearer, that's of course welcome). So this is not restricted to tuning display of the CRS in gdalinfo or other utilities, but really to what kind of CRS object the GeoTIFF returns to calling code.
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