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Is there a description of the "Show Luminance Map" option in the Masking environment?

Contributor ,
Nov 15, 2022 Nov 15, 2022

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I'm creating a tutorial for my clients on the entire Masking environment in Classic and I frankly don't see how the "luminance map"option is any different from just seeing the overlay. It changes the color of the overlay to a bright red...is there something I'm missing?

Steve Gandy
Photographer - Instructor
stevegandy.com

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Community Expert ,
Nov 15, 2022 Nov 15, 2022

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I think this is intended to suspend hue information from the image, such that the selectivity of the masking within the image, vs the image itself, can be better seen. Otherwise things can get very visually muddled in practice - assuming both mask and image are even both previewed together, which may not be the case depending on current Overlay setting.

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Community Expert ,
Nov 15, 2022 Nov 15, 2022

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I think it's presenting the same luminance map you'd see with the Alt Amount slider in Sharpening.. 

Help says: 

Select the Show Luminance Mask check box to view the luminance information of the photo in black and white representation. The part in red color shows the actual area masked by the Luminance Range Mask.

So Richard is right with no Hue, but also no Saturation.


Sean McCormack. Author. Magazine Writer. Former Official Fuji X-Photographer.

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