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Opacity mask always blacks

Hi,

Since I switch on Unreal Engine 4.15, the opacity pass which I'm use to access from post process material via scene texture are always black.
It is also black in the buffer vizualisation.

I really appreciate any help you can provide.

Product Version: UE 4.15
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asked Mar 22 '17 at 03:31 PM in Bug Reports

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armabon
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3 answers: sort voted first

Opacity pass used by SubSurface materials only (always been). For Translucent materials use SeparateTranslucency.

alt text

4.14 alt text

4.15 alt text

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answered Mar 22 '17 at 05:22 PM

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S-ed
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Ok I was using it in the wrong way ^^ Thanks for the quick answer !

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answered Mar 23 '17 at 09:45 AM

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armabon
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Can you say how you are supposed to use it? I would like to know!

Thanks

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answered Mar 04 '18 at 01:13 AM

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Stein Lotveit
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