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Cutting a Cornered Convex Polygon Out of a Circle

机译:从圆圈中切开一个角落凸多边形

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The problem of cutting a convex polygon out of a piece of paper Q with minimum total cutting length is a well studied problem in computational geometry. Researchers studied several variations of the problem, such as P and Q are convex or non-convex polygons and the cuts are line cuts or rays cuts. In this paper we consider yet another variation of the problem where Q is a circle and is convex polygon such that P is bounded by a half circle of Q and all the cuts are line cuts. We give a simple linear time O(log n)-approximation algorithm for this problem where is the number of vertices of P.
机译:用最小总切削长度从一张纸Q中切割凸多边形的问题是计算几何中的良好问题。研究人员研究了几种问题的变化,例如P和Q是凸面或非凸多边形,切割是线切割或射线切口。在本文中,我们考虑了Q是圆圈的问题的另一个变化,并且是凸多边形,使得P由Q的半圈界定,所有切口都是线切口。我们为此问题提供了一个简单的线性时间O(log n) - 批量估计算法,其中p的顶点数量在哪里。

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