relative values for raster data PROCESSING SCALE parameters

Hi all,

This capability doesn't seem to be available to specify relative value for the PROCESSING SCALE values in the map file.

It is possible to specify AUTO but it uses min/max values, or to specify absolute values but not relative values like percentages (ex 2%).

This could be useful to provide a generic scaling that can apply to worldwide geotiffs. Is it in your roadmap ?

Does somebody found a way to compute relative values dynamically and provide them to mapserver ?

Best regards,

Erwann.

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