3D GIS支持下的盐腔三维表面拓扑重建技术研究  

Research on the Technology of Three-dimensional Surface Topological Reconstruction of Salt Caverns Supported by 3D GIS

作　　者：王文[1] 陈建忠[1] 王永志[2] 

机构地区：[1]金坛市国土资源局,常州213200 [2]南京师范大学虚拟地理环境教育部重点实验室,南京210046

出　　处：《国土资源信息化》2012年第2期62-67,共6页Land and Resources Informatization

基　　金：国家高新技术研究计划(863计划)资助项目(2007AA12Z236);国家自然科学基金资助项目(40801147)

摘　　要：在分析了盐岩特性和盐腔作为地下能源储备库等应用可行性和重要性的基础上,详细阐述了利用声纳探测技术进行盐腔测量的原理及测腔数据的组织方式。利用HalfEdge数据结构和边界表示模型,对声纳测腔数据进行了盐腔三维表面拓扑重建技术的研究。并对构建的表面模型进行了有效性检查和可能存在的缺陷进行了修复,得到了正确、有效的盐腔三维表面模型,为盐腔的稳定性分析、蠕变特性分析等数值模拟过程,提供了有效的数据基础。该方法具有重要的经济意义和社会意义,可以为盐腔的建造,尤其是安全合理地利用盐腔提供科学依据和技术支持。After analyzing the characteristics of rock salt and the feasibility and importance of using underground rock salt cavern as energy stockpiles,this paper elaborates the principle of the use of sonar detection technology for cavern measurement and the mode of organizing cavern measurement data.By means of HalfEdge data structure and boundary representation models,it conducts a research on the technology of three-dimensional surface topological reconstruction of underground rock salt cavern based on sonar detection data.Furthermore,by examining the effectiveness of constructed surface models and repair of possible defects,it has obtains the correct and effective three-dimensional surface models of underground rock salt cavern,and provides an effective data base for numerical simulation processes such as stability analysis and creep analysis of underground rock salt cavern.With important economic and social significance,this method can provide the scientific basis for and technical support to the construction of cavern,particularly the safety and rational use of salt caverns.

关 键 词：3D GIS 盐腔 三维表面拓扑重建 半边数据结构 边界表示模型 

分 类 号：P208[天文地球—地图制图学与地理信息工程] F301[天文地球—测绘科学与技术]