| 城市地质复杂断层三角网算法模型研究 |
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| 引用本文： | 邓曙光,郑智华.城市地质复杂断层三角网算法模型研究[J].测绘科学,2010,35(2):16-17,23. |
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| 作者姓名： | 邓曙光 郑智华 |
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| 作者单位： | 南宁市规划管理局信息技术中心,南宁,530022;广西国土资源厅信息中心,南宁,530022 |
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| 摘 要： | 城市地质复杂断层三角网算法的难点包括建立点、线间最优连接和同时处理复杂断层限定条件形成的约束,本文以城市地质复杂断层为研究对象,根据断层线与地质构造的组合关系,通过对断层制图约束边界处理与分析,采用"最优辅助划分原则"对复杂断层形成的约束边界数据划分子区域,提出一种能够绘制多断层、复杂断块,并满足城市地质建模的Delaunay三角剖分通用算法。
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| 关 键 词： | 三角网 最优辅助划分原则 城市地质 |
Study on triangulation algorithm model for urban complex geologic faults |
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| DENG Shu-guang,ZHENG Zhi-hua.Study on triangulation algorithm model for urban complex geologic faults[J].Science of Surveying and Mapping,2010,35(2):16-17,23. |
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| Authors: | DENG Shu-guang ZHENG Zhi-hua |
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| Abstract: | The difficulties in using the triangulation algorithm for urban complex geologic faults are how to establish optimal pointto-line connection and handle the constraints under limited condition of complex faults.Taking urban complex geologic faults as the research object,according to the relationship of fault line and geological structure,this article adopted the optimal assistant division principle,divided the constrained boundary formed by complex faults into sub-regions,and proposed a Delaunay triangulation general algorithm by processing and analyzing the constrained fault boundary.The algorithm can draw multi-fault and complex fault blocks,and then build urban geologic model. |
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| Keywords: | triangulation optimal assistant division principle urban geology |
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