\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 4.11.3 - dD Range and Segment Trees
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dD Range and Segment Trees Reference

segment_tree.png
Gabriele Neyer
Range and segment trees allow to perform window queries on point sets, and to enumerate all ranges enclosing a query point. The provided data structures are static and they are optimized for fast queries.


Introduced in: CGAL 0.9
BibTeX: cgal:n-rstd-18b
License: GPL

This chapter presents the CGAL range tree and segment tree data structures.

The range tree is theoretically superior to the \( Kd\)-tree, but the latter often seems to perform better. However, the range tree as implemented in CGAL is more flexible than the \( Kd\)-tree implementation, in that it enables to layer together range trees and segment trees in the same data structure.

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class  CGAL::Tree_anchor< Data, Window >
 Tree_anchor is also derived from Tree_base. More...