GIS和GOCAD支持下的矿山3D地质建模

GIS and GOCAD-Based Methodology of 3D Geological Modeling of Mine and Its Application

在综合分析3D地质数据模型的基础上,提出将源数据模型分为GIS可描述和GIS不可描述数据模型的分类方法,在ArcGIS和GOCAD平台下构建了基于GIS的多元、多方法集成的矿山3D地质模型。ArcGIS平台下描述GIS可描述数据模型,并进行数据管理和空间数据分析;GIS不可描述数据模型一方面在GOCAD下描述复杂的地质构造,另一方面采用面向对象的聚合派生法描述矿山工程模型中的空间实体,并利用Geodatabase建立两者的关联。实例应用表明,该方法保持了数据在空间和时间上的一致性,为矿山安全生产管理提供了有效和可靠的空间数据及可视化支持。

On the basis of comprehensively analyzing 3D geological data model,the classification of data model by GIS describable and indescribable data model is given.3D geological modeling of mine based on multi-source,multi-method integration is implemented on the platforms of GOCAD and ArcGIS.GIS describable data model is described on the platform of ArcGIS with data management and spatial data analysis.For GIS indescribable data model,GOCAD is used to describe some complicated geological structures,meanwhile,the aggregation-derived method is also applied to describe the spatial entities of mining engineering model,which Geodatabase is adopted to communicate between two platforms and make it easier for model updating.It is concluded from the case study that the proposed method keeps a spatio-temporal consistent representation of data,and it is a support to provide effective and validity data and visualization in the safety production management of mine.