OALib Journal期刊
ISSN: 2333-9721
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邻近凹点角平分线的多边形顶点快速凸分算法研究及应用
DOI: 10.3969/j.issn.1000-2006.2013.05.032, PP. 165-168
Keywords: 凹多边形,角平分线,凸分算法,土方计算
Abstract:
在分析和归纳已有凸分算法的基础上,提出邻近凹点角平分线的多边形顶点快速凸分算法。该算法不增加新顶点,且剖分得到的凸多边形数量少,大小、形状等质量较好。算法应用在方格网土方计算中,能快速找出填挖分界点并划定填挖方区域。该算法与凸分成三角形的土方计算精度相当,但其抗粗差能力强,计算速度快;与增加顶点的凸分方式比较,土方计算精度和速度均优于后者。
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