| 面向断层划分的点集聚类方法 |
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| 引用本文： | 杜树利,杨钦,牛文杰. 面向断层划分的点集聚类方法[J]. 计算机工程与设计, 2011, 32(7): 2443-2446,2450 |
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| 作者姓名： | 杜树利 杨钦 牛文杰 |
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| 作者单位： | 1. 软件环境国家重点实验室,北京100191;北京航空航天大学计算机学院,北京100191
2. 中国石油大学(华东)机电工程学院,山东东营,257061 |
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| 基金项目： | 国家科技重大专项基金项目(2008ZX05008); 教育部科学技术研究重点基金项目(108084) |
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| 摘 要： | 在三维地质建模过程中存在断层划分问题,多个断层面的数据常以单个点集形式给出,无法判定每个断层面所包含的点,为了解决该问题,提出一种方法对点集进行划分。该方法结合空间聚类的思想,使得划分结果包含多个点集,并且每一个点集都能够描述一个断层面。该方法包含3个步骤,先计算每个点的法矢量和平面度,根据点间的临近程度和法矢量夹角,对平面度较大的点进行初次划分。最后通过比较的方法,对平面度较大的点与初次划分失败的点进行二次划分。给出了一个算例,其结果验证了该方法的可行性。
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| 关 键 词： | 断层面 三维地质建模 空间聚类 法矢量 平面度 |
Approach of point clustering for fault classifying |
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| DU Shu-li,YANG Qin,NIU Wen-jie. Approach of point clustering for fault classifying[J]. Computer Engineering and Design, 2011, 32(7): 2443-2446,2450 |
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| Authors: | DU Shu-li YANG Qin NIU Wen-jie |
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| Affiliation: | DU Shu-li1,2,YANG Qin1,NIU Wen-jie3(1.State Key Laboratory of Software Development Environment,Beijing 100191,China,2.College of Computer Science and Engineering,Beijing University of Aeronautics and Astronautics,3.College of Electromechanical Engineering,Petroleum University of China(East China),Dongying 257061,China) |
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| Abstract: | Fault classifying is an important section in 3D geological modeling.The initial data of faults is often a point set.Which points are included by one fault is unknown.A method is put forward to solve this problem.The point set is classified by the method,which is based on spatial clustering.The result of the classifying contains many point sets,each of which describes one fault.The method includes three steps.Firstly,the normal vector and planeness of each point are computed.Then the points which have good p... |
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| Keywords: | fault 3D geological modeling spatial clustering normal vector planeness |
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