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See:
Description
Class Summary | |
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GeohashPrefixTree | A SpatialPrefixGrid based on Geohashes. |
GeohashPrefixTree.Factory | |
Node | Represents a grid cell. |
QuadPrefixTree | |
QuadPrefixTree.Factory | |
SpatialPrefixTree | A Spatial Prefix Tree, or Trie, which decomposes shapes into prefixed strings at variable lengths corresponding to variable precision. |
SpatialPrefixTreeFactory |
The Spatial Prefix package supports spatial indexing by index-time tokens where adding characters to a string gives greater resolution. Potential Implementations include: * http://en.wikipedia.org/wiki/Quadtree * http://en.wikipedia.org/wiki/Geohash * http://healpix.jpl.nasa.gov/
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