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Contrast enhancing transformer for rasters with various contrast enhancement alg

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Original Title was: Contrast enhancing transformer for rasters with various contrast enhancement algorithms




A contrast enhancing transformer for rasters with various contrast enhancement algorithms.Technically a user can achieve this themselves, but the maths to do so is probably beyond most users (certainly is me).
Great idea, I think they could bring in an open source image enhancing library(maybe GEGL?) and wrap it into a transformer. It could then be a fully blown image enhancing transformer with contrast, white balance, brightness etc.

We've done some work integrating ImageMagik's command line in FME 2016 as well, as an experiment. Will check out GEGL in the meantime.

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