VolumetricLightmapDetailCellSize

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Unreal Engine C++ API Reference > Runtime > Engine > GameFramework > FLightmassWorldInfoSettings

Syntax

UPROPERTY (BlueprintReadWrite, EditAnywhere, Category=LightmassVolumeLighting,  
          Meta=(UIMin="50", UIMax="1000"))  
float VolumetricLightmapDetailCellSize  
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Remarks

Size of an Volumetric Lightmap voxel at the highest density (used around geometry), in world space units. This setting has a large impact on build times and memory, use with caution. Halving the DetailCellSize can increase memory by up to a factor of 8x.