Definition: A tree to index three dimensions. Each node has either eight children or no children.
See also quadtree, binary tree, BSP-tree.
Note: If one views a binary tree as partitioning one dimension, a quadtree analogously partitions two dimensions, and an octree partitions three.
algorithms, another diagram and algorithm, and one more diagram from Martin John Baker. Another diagram from Nilo Stolte.
If you have suggestions, corrections, or comments, please get in touch with Paul E. Black.
Entry modified 3 January 2006.
HTML page formatted Tue Dec 6 16:16:32 2011.
Cite this as:
Paul E. Black, "octree", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 3 January 2006. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/octree.html