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Hierarchical triangular mesh
Data structure for storing geometric information From Wikipedia, the free encyclopedia
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Hierarchical Triangular Mesh (HTM) is a kind of quad tree based on subdivision of a distorted octahedron, used for mesh generation in 3-D computer graphics and geometric data structures.[1]

Functions
- It provides a systematic indexing method for objects localized on a sphere.[2]
- It is an efficient method for searching different resolutions like arc seconds or hemispheres.[1]
- It can be used as a method to subdivide the spherical surface into triangles of nearly equal shape and size.[2]
See also
References
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