Represents indirect illumination by scattering a set of virtual point lights from the light sources, turning a bounce integral into ordinary direct lighting from many small lights.
supersedescorrects · extends
classifiesspecializes · part-of
substitutes forapproximates · alternative-to
depends onrequires · validates
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This node
approximatesis a cheaper stand-in for The Rendering Equationcollapses indirect bounces into a set of point lights
Referenced by
correctsMany-Light Sampling fixes a defect in thiscost grows linearly in the number of virtual lights