[AstroPy] zscale in astropy.visualization

[John K. Parejko]

Is there something akin to the ds9-style zscaling algorithm in astropy.visualization (or elsewhere in astropy)? I don't see anything named as such, but maybe it is called differently?

This is the algorithm described in this iraf.net email from Frank Valdes:

http://iraf.net/forum/viewtopic.php?showtopic=134139

Thanks,
John

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John Parejko
parejkoj at uw.edu
http://staff.washington.edu/parejkoj/
Department of Physics and Astronomy
University of Washington
Seattle, WA
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