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An example of a bounding volume hierarchy using rectangles as bounding volumes. A bounding volume hierarchy (BVH) is a tree structure on a set of geometric objects. All geometric objects, which form the leaf nodes of the tree, are wrapped in bounding volumes. These nodes are then grouped as small sets and enclosed within larger bounding volumes.
Bounding volume; Bounding volume hierarchy; Bresenham's line algorithm; Bump mapping; Calligraphic projection; Cel shading; Channel (digital image) Checkerboard rendering; Circular thresholding; Clip coordinates; Clipmap; Clipping (computer graphics) Clipping path; Collision detection; Color depth; Color gradient; Color space; Colour banding ...
Download as PDF; Printable version ... A data structure is said to be linear if its elements form a sequence. Arrays ... Bounding interval hierarchy; Bounding volume ...
If the bounding volume of the root doesn't intersect with the object of interest, the traversal can be stopped. If, however there is an intersection, the traversal proceeds and checks the branches for each there is an intersection. Branches for which there is no intersection with the bounding volume can be culled from further intersection test.
A BVH is a tree of bounding volumes (often spheres, axis-aligned bounding boxes or oriented bounding boxes). At the bottom of the hierarchy, the size of the volume is just large enough to encompass a single object tightly (or possibly even some smaller fraction of an object in high resolution BVHs).
A bounding interval hierarchy (BIH) is a partitioning data structure similar to that of bounding volume hierarchies or kd-trees.Bounding interval hierarchies can be used in high performance (or real-time) ray tracing and may be especially useful for dynamic scenes.
A bounding box or minimum bounding box (MBB) is a cuboid, or in 2-D a rectangle, containing the object. In dynamical simulation, bounding boxes are preferred to other shapes of bounding volume such as bounding spheres or cylinders for objects that are roughly cuboid in shape when the intersection test needs to be fairly accurate. The benefit is ...
Z-buffer hardware may typically include a coarse "hi-Z", against which primitives can be rejected early without rasterization, this is a form of occlusion culling. Bounding volume hierarchies (BVHs) are often used to subdivide the scene's space (examples are the BSP tree , the octree and the kd-tree ).