Nearest Neighbor Queries | 291
Computational
Geometry
Variations
In the described implementation, the methodnearesttraverses from the root back
down to the computed parent; alternate implementations start from the parent
and traverse back to the root, in bottom-up fashion.*
Figure 9-23. Comparing kd-tree versus brute-force implementation
* Seehttp://www.codeproject.com/KB/architecture/KDTree.aspx.
Algorithms in a Nutshell
Algorithms in a Nutshell By Gary Pollice, George T. Heineman, Stanley Selkow ISBN:
9780596516246 Publisher: O'Reilly Media, Inc.
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Licensed by Ming Yi
Print Publication Date: 2008/10/21 User number: 594243
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