Photoshop: Apply Auto Tone to multiple layers using the collapsed result.

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  • Updated 4 years ago
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I am an illustrator who works in multiple layers when painting. Sometimes I really like the results I get from Auto Tone but this only works on a collapsed version of the image. It would be nice if Photoshop had the option to perform Auto Tone on an individual layers operating from the collapsed image algorithm.

Does anyone have a slick way of doing this?

Thanks.
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MR Memnoch

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Posted 4 years ago

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christoph pfaffenbichler, Champion

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Considering that the Layers may combine various Transparencies, Blend Modes, Opacities and Fills I think what you are asking is not fully reasonable.
But I may be misunderstanding.

Have you tried simply using an Adjustment Layer?
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MR Memnoch

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There is no adjustment layer for Auto Tone. Using Auto Tone on a layer containing only one element of a piece yields a different result than running Auto Tone on the image fully collapsed.
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christoph pfaffenbichler, Champion

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»There is no adjustment layer for Auto Tone.«
You seem to be mistaken.
Quote from the reference (with regard to Curves and Levels):
»Auto Levels command:aboutEnhance Per Channel Contrast
Maximizes the tonal range in each channel to produce a more dramatic correction. Because each channel is adjusted individually, Enhance Per Channel Contrast may remove or introduce color casts. The Auto Tone command uses this algorithm.«

»Using Auto Tone on a layer containing only one element of a piece yields a different result than running Auto Tone on the image fully collapsed.«
And expecting anything else seems unrealistic to me because of the combination of transparencies and Blend Modes.