Version: 2019.3
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LightmapEditorSettings.filteringAtrousPositionSigmaAO

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public static float filteringAtrousPositionSigmaAO;

Description

Specifies the threshold the Progressive Lightmapper uses to filter ambient occlusion stored in the lightmap when using A-Trous filter. The default value is 1. The value range is 0 to 2.

A higher value will increase the threshold, reducing noise in the direct layer of the lightmap. Too high of a value can cause a loss of detail in the lightmap.

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