foliage.MinInstancesPerOcclusionQuery
VarUnreal Engine Var console variable.
foliageMinInstancesPerOcclusionQuery
Description
Controls the granualrity of occlusion culling. 1024 to 65536 is a reasonable range. This is not exact, actual minimum might be off by a factor of two.
Usage
foliage.MinInstancesPerOcclusionQuery [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

