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地质三维信息模型研究及其应用

, PP. 470-475

Keywords: 三维模型,可视化模型,GIS,UML,OpenGL

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Abstract:

地质三维模型研究与应用在地质构造研究、资源勘探与开发等领域具有十分重要的意义。针对地质勘探等原始离散数据采用UML建立数据静态结构模型,利于GIS空间数据库集中存储管理;根据原始数据的特征,采用矢量层面构模技术建立了三维层面模型,生成地层表面和地层层间实体的连续数据;三维可视化模型采用流行的OpenGL图形技术,实现了原始数据、特征层表面和地质体三维显示与交互式剖切操作等。基于组件开发技术建立了地质三维信息模型系统,成功应用于城市地质勘察三维建模与可视化分析,并指出可在三个层次对此模型进行重用与扩展,具有较高的推广应用价值。

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