On jeudi 26 mars 2020 23:19:47 CET Joaquim Manuel Freire Luís wrote: > Funny, I made it nodata = 1 and the zero moved to second place.
Fully determinstic behaviour: GDAL sets the alpha component of the entry in the color table whose value is nodata to 0: https://github.com/OSGeo/gdal/blob/master/gdal/frmts/png/ pngdataset.cpp#L1820 -- Spatialys - Geospatial professional services http://www.spatialys.com
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