A faster circle-sweep Delaunay triangulation algorithm

被引：14

作者：

Biniaz, Ahmad ^{[1
]}

Dastghaibyfard, Gholamhossein ^{[2
]}

机构：

[1] Islamic Azad Univ, Lamerd Branch, Dept Comp Engn, Lamerd, Iran

[2] Shiraz Univ, Dept Comp Sci & Engn, Shiraz, Iran

来源：

ADVANCES IN ENGINEERING SOFTWARE | 2012年 / 43卷 / 01期

关键词：

Computational geometry; Delaunay triangulation; In-circle test; Recursive edge-flipping; Sweep-line; Sweep-circle; INCREMENTAL CONSTRUCTION; MESH; INTERPOLATION; TERRAINS;

D O I：

10.1016/j.advengsoft.2011.09.003

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper presents a new way to compute the Delaunay triangulation of a planar set P of n points, using sweep-circle technique combined with the standard recursive edge-flipping. The algorithm sweeps the plane by an increasing circle whose center is a fixed point in the convex hull of P. Empirical results and comparisons show that it reduces the number of in-circle tests and edge-flips, and it is efficient in practice. (C) 2011 Elsevier Ltd. All rights reserved.

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页码：1 / 13

页数：13

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