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Hi there, Is there a possibilty to blend multiple inverted masks? What I'm trying to do is to create different masks using ID Channels from Vray, I figure it out that it only blends masks from pure white to black as its normal behaivior but if I invert them to my selection each mask blocks the other one.

In the attachment are the masks as I try to use them individually and the ressult combined, also an example of the normal behaivior on the background that I intend to achieve but inverted.

01 Mask MtlD.jpg

01b Mask MtlID on HSL.jpg

02 Mask ObjlD.jpg

02b Mask ObjID on HSL.jpg

03 Masks on HSL & Background.jpg

03b Combined Masks on HSL & Background.jpg

Edited by ChuckRT
missing examples
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14 minutes ago, ChuckRT said:

ID Channels from Vray

Completely lost me here.

Mac Pro (Late 2013) Mac OS 11.7.3 
Affinity Designer 2.0.4 | Affinity Photo 2.0.4 | Affinity Publisher 2.0.4 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

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Perhaps this method will help you. A normal layer works like a mask:

This method also allows you to mix several masks in Multiply blend mode.

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