Package org.apache.lucene.spatial.prefix.tree

The Spatial Prefix package supports spatial indexing by index-time tokens where adding characters to a string gives greater resolution.

See: Description

Class Summary

Class	Description
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

Package org.apache.lucene.spatial.prefix.tree Description

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/