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What happens if 2 post processing volume overlap?

In some sample projects like the Sun Temple, I see 2 or more post processing volumes overlapping each other, say like a small one inside a big one, or two volumes both set to unbound. In these cases, how the effects will be rendered and are there any special intents on doing so?

Thanks,

wcl1993

Product Version: UE 4.21
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asked Jan 11 '19 at 03:21 PM in Rendering

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wcl1993
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The volume with the higher Volume Priority property takes preference.
See: https://docs.unrealengine.com/en-US/Resources/ContentExamples/PostProcessing/1_16

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answered Jan 11 '19 at 03:30 PM

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ZoltanE
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Blend Radius and Weight can be used to make smooth transition between them. All the examples could be found in Content Examples package in the Learning tab of the Launcher (map called - Post Processing)

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