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AF iPad masks/adjustments/filters/opacity


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Hi there, observing strange behavior when combined masks, transparency for the mask, and additional live adjustments or filters to the masks. Every adjustments/ filters which support alpha is affected, e.g levels, curves, gaussian blur, minimum blur.

 

1. if you use a mask layer, you can use the opacity to reduce the masking effect, e.g. to see what will be masked out.

opacity 100 shows only pixels with white mask, and no pixel with black mask.

opacity 50 shows pixel with white mask, and 50% transparent pixel with black mask.

2. when you add an adjustment or filter to the mask, even with all parameters at zero, the result changes: now all pixel  with white mask will be shown 50% transparent, and pixels with black mask will vanish.

3. Is this a bug or a feature?

Mac mini M1 A2348 | Windows 10 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080

LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5

iPad Air Gen 5 (2022) A2589

Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps.

 

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Afphoto file used do demonstrate issue

It seems the opacity of the mask is wrongfully applied to the layers beneath when a filter is added to the mask

mask opacity bug.afphoto

Mac mini M1 A2348 | Windows 10 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080

LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5

iPad Air Gen 5 (2022) A2589

Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps.

 

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