Hi Andrew, > Perhaps this is a documentation issue,
I think this is mostly an implementation issue in a niche driver. The changeset that introduced this ( https://trac.osgeo.org/gdal/changeset/21821 ) isn't very verbose of the motivation. I suspect that the intent was to benefit from PAM for a few things, but not wanting to generate a .aux.xml file when SetNoDataValue() is called. I've changed this in https://trac.osgeo.org/gdal/changeset/40003 to use the PAM .aux.xml file to laod non-default nodata value on GetNoDataValue(), and write into PAM on SetNoDataValue() if the value is different than the default one. Should be a reasonable compromise on the presumed original intent. Even -- Spatialys - Geospatial professional services http://www.spatialys.com
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