MACBETH COLOR CHECKER VALUES WINDOWS
Tested successfully on Windows 7/10 (Nuke 7-9) and CentOS 6/7/8 (Nuke 7-13) More stability due to no more expression-based-sampling in the background Additional sampling method 'no clip' (EXPERIMENTAL!) (generously provided by Thomas Mansencal at ) The reference target now comes with a dynamic colorspace selection instead of fixed sRGB Values. Fixed a problem introduced in Nuke 9.0v8 that broke the entire functionality ColorChecker24 - Before November 2014 (ColorChecker2005) This change will deprecate the use of the mmColorTarget_colorspaces.json file and will start using mmColorTarget_colorspace_transforms.json instead. This allows easier addition of future colorcharts by only adding their sRGB reference values.
MACBETH COLOR CHECKER VALUES PATCH
BREAKING: Using colorspace transforms to retrieve the reference values instead of the hardcoded patch values. An updated JSON file with additional data is provided that is required for this fix. This caused the reference values to be slightly off for colorspaces with non-D65 whitepoints. FIX: Chromatic adaptation was not performed. Hit the 'Calculate Matrix' Button to get the output ColorMatrix. (Switch inputs using the 'currentView' dropdown) Corner Pin the source and target sampler to its corresponding ColorChecker and adjust the sampler Size Plug two images showing a MacBeth Colorchecker into the source and target inputs.
(see Blogpost with additional Information ) Make sure you have Numpy installed, compatible and accessible with your Nuke version.
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