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判定检测点是否在多边形内的新方法 被引量:15

A New Method Deciding Whether a Point is in a Polygon
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摘要 文章提出一种新方法以检测一个点是否在多边形内。该方法将矢量和射线法结合,彻底解决了射线法所具有的奇异情况。实验结果证明该方法具有简单、易实现、快速等优点。 A new method is presented in this paper to decide whether a point is in a polygon. The method combines vector and ray-crossing. And the method solves the abnormity which ray-crossing takes on. Experimental results show that the method is robust and efficient in computation.
出处 《微电子学与计算机》 CSCD 北大核心 2006年第8期194-195,199,共3页 Microelectronics & Computer
基金 "863"项目(2002AA135160)
关键词 多边形 射线法 计算几何 Polygon, Ray-crossing, Computational geometry
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二级参考文献18

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