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三维地质体建模具有形象、直观、易操作等优点,已成为地学研究的重点。以野外收集的钻孔资料为源数据,利用IDL强大的数据处理与图形显示功能,采用表面模型法和体绘制构造三维地质体可视化模型,通过建立的可视化界面实现地质体的旋转、缩放等多种控制操作,并且实现任意点地层属性查询、动态调整、剖面切割等分析功能。最后,将其应用于实际工程中,验证了系统的可行性和实用性。
3D geological modeling has the advantages of image, intuitionistic and easy operation, and has become the focus of geosciences research. Using borehole data collected from the field as the source data, a 3D visualization model of the geological body is constructed by using the surface data and volume rendering using IDL’s powerful data processing and graphic display functions. Through the established visualization interface, the rotation, scaling and the like of the geological body are achieved Control operation, and to achieve any point of stratigraphic property query, dynamic adjustment, profile cutting and other analysis functions. Finally, it is applied to the actual project to verify the feasibility and practicability of the system.