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Indexing of the Discrete Global Grid Using Linear Quadtree
Indexing The discrete global grid Linear quadtree
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2015/8/17
In recent years a method of recursive subdivisions of the triangular faces of the octahedron or icosahedron has been developed for
approximating to the surface of the earth. But the triangle-based di...
Spatial Topology Rule Checking Algorithm of Linear Entity Based on Quadtree
linear entity topology rule rule check quadtree
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2013/3/5
Spatial topology rule is the primary method to insure the consistency and validity of spatial topology relation in GIS software. Topology rule can be divided into three categories according to geograp...