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Unreal Engine C++ API Reference > Runtime > Engine > GameFramework > FLightmassWorldInfoSettings
Syntax
float IndirectLightingQuality
Remarks
Warning: Setting this higher than 1 will greatly increase build times! Can be used to increase the GI solver sample counts in order to get higher quality for levels that need it. It can be useful to reduce IndirectLightingSmoothness somewhat (~.75) when increasing quality to get defined indirect shadows. Note that this can't affect compression artifacts, UV seams or other texture based artifacts.