r.Shadow.Virtual.Clipmap.ZRangeScale
VarUnreal Engine Var console variable.
rShadowVirtualClipmapZRangeScale
Description
Scale of the clipmap level depth range relative to the radius. Should generally be at least 10 or it will result in excessive cache invalidations.
Usage
r.Shadow.Virtual.Clipmap.ZRangeScale [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

