| 基于平面地质图的地质体三维建模 |
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| 引用本文： | 高士娟,毛先成,张宝一,任佳,李勇.基于平面地质图的地质体三维建模[J].地质找矿论丛,2015,30(4):594-601. |
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| 作者姓名： | 高士娟 毛先成 张宝一 任佳 李勇 |
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| 作者单位： | 中南大学有色金属成矿预测教育部重点实验室, 长沙 410083;中南大学地球科学与信息物理学院, 长沙 410083;中南大学有色金属成矿预测教育部重点实验室, 长沙 410083;中南大学地球科学与信息物理学院, 长沙 410083;中南大学有色金属成矿预测教育部重点实验室, 长沙 410083;中南大学地球科学与信息物理学院, 长沙 410083;中南大学有色金属成矿预测教育部重点实验室, 长沙 410083;中南大学地球科学与信息物理学院, 长沙 410083;中南大学有色金属成矿预测教育部重点实验室, 长沙 410083;中南大学地球科学与信息物理学院, 长沙 410083 |
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| 基金项目： | 国家"十二五"科技支撑计划项目(编号:2011BAB04B10)和国家自然科学基金项目(编号:41172297)联合资助。 |
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| 摘 要： | 文章针对大尺度研究区域勘探范围有限、不能直接基于勘探数据构建区域地质体三维结构模型的问题,提出了一种以平面地质图为研究对象的地质体三维建模方法。此方法以平面地质图为基础,利用Section软件在DEM模型(数字高程模型)约束下半自动绘制一系列图切剖面图,将二维剖面映射到三维空间,利用三维剖面上轮廓线的对应性和连续性构建地质体三维模型。通过广西东平地区地质体三维模型构建实例,验证了该方法的可行性。
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| 关 键 词： | 平面地质图 DEM模型 图切剖面 GOCAD平台 三维地质建模 |
| 收稿时间： | 2014/10/22 0:00:00 |
The planar geological map-based 3D modeling of geological body |
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| GAO Shijuan,MAO Xiancheng,ZHANG Baoyi,REN Jia and LI Yong.The planar geological map-based 3D modeling of geological body[J].Contributions to Geology and Mineral Resources Research,2015,30(4):594-601. |
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| Authors: | GAO Shijuan MAO Xiancheng ZHANG Baoyi REN Jia and LI Yong |
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| Institution: | Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Central South University, Changsha 410083, China;School of Geosciences and Info-Physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Central South University, Changsha 410083, China;School of Geosciences and Info-Physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Central South University, Changsha 410083, China;School of Geosciences and Info-Physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Central South University, Changsha 410083, China;School of Geosciences and Info-Physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Central South University, Changsha 410083, China;School of Geosciences and Info-Physics, Central South University, Changsha 410083, China |
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| Abstract: | For large-scale areas with very limited exploration range the direct exploration data-based 3D modeling of geological body is not feasible. This paper presents a methodology of 3D modeling of geological body based on planar geological map. Section software draws a series of cutting sections under DEM constraints and the 2D section is transformed to 3D in space, then 3D model built on GOCAD platform according to the correspondence and continuity of the section contours. Dongping area in Guangxi is a case which verifies feasibility of the method. |
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| Keywords: | planar geological map DEM model cutting section GOCAD platform 3D geological modeling |
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