Extinction

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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Materials > API/Runtime/Engine/Materials/UMaterialExpressionStrataVolumet-

Syntax

FExpressionInput Extinction  
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Remarks

The rate at which light is absorbed or scattered by the medium. Mean Free Path = 1 / Extinction. (type = float3, unit = 1/m, default = 0)