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When checking differences between Rawtherapee .pp3 profiles, I noticed a SaturatedOpacity parameter under [ColorToning], either equal to 0 or 1, and likely set by the white balance point tool.

I may have missed it but launching Rawtherapee with two profiles having different SaturatedOpacity values I wasn't able to spot the parameter to which it corresponds.

What does SaturatedOpacity correspond to in Rawtherapee ?

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Consider the following snippet from a pp3 file created by RawTherapee:

[ColorToning]
SatProtectionThreshold=25
SaturatedOpacity=75

The settings are associated with the Saturation Protection settings of the Color Toning filter. They are available for most, but not, all of the methods. I chose "RGB - Sliders" because it is compact and fits well on screen.

Color Toning

  • Wow, given all 35 files had either 0 or 1 values, I would never have expected a slider… – Skippy le Grand Gourou Jun 12 at 7:50
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After a bit more code review, the SaturatedOpacity value in the sidecar file seems to correspond to:

Color -> Color Toning -> Opacity
   -> Saturation Protection -> Strength slider/field entry

SaturationThreshold would be the other parameter in that group. The mix of camelCase, PascalCase and lowercase can get a bit confusing at times...


Based on this line in the source code:

saveToKeyfile(!pedited || pedited->colorToning.saturatedopacity,
   "ColorToning", "SaturatedOpacity", colorToning.saturatedOpacity, keyFile);

I'm gonna guess it's related to the Opacity subsection in the Color Toning section under the Color tab. The variable is a bool, and it's a member of a structure called ColorToningEdited, so it's probably just an indicator to look for and/or use/ignore some other variables that contain the customized curves, etc. that make up the rest of the settings in that part of the module.

  • twalbert - Edited to make your answer clearer/easier to understand... I'd written and posted my answer before realizing you'd already added it to yours. – xiota Jun 11 at 21:08

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