Chooses each split by estimating traversal cost from the probability a random ray hits each child, which is proportional to its surface area. Still the quality baseline for acceleration structure builds.
supersedescorrects · extends
classifiesspecializes · part-of
substitutes forapproximates · alternative-to
depends onrequires · validates
Colour is the family; a dashed line is the second member of it.
Drag to pan · scroll to zoom · click a node to open it
This node
correctsfixes a defect in Bounding Volume Hierarchymedian splits ignore the actual cost of traversal
Referenced by
approximatesLinear BVH is a cheaper stand-in for thisMorton order instead of a cost-driven split search
References
Heuristics for Ray Tracing Using Space Subdivision — MacDonald, Booth — 1990 · link