Abstract
In order to realize the visualization,spatial analysis,automatic modeling and dynamic updating of model,the mine spatial environment and traditional 3D spatial data models were analyzed.Then an entity-oriented spatio-temporal hybrid data model was designed.It integrated the 3D parameter skeleton model,Topology-concerned and Entity-oriented 3D Vector Data Model(TEVDM) and Octree-Block Model(OBM).The TEVDM and OBM were used to express the boundary and internal property of orebodys.The Parametric Entity-Network Data Model(PENDM) was introduced into the model to describe the skeleton of the roadway engineering and production systems.Particularly,a behavior model was introduced into the model to describe the personnel and devices with behavior characteristics.The model also included the complete spatial feature which could describe the set of semantically related entities.Finally,some samples of using this model were given to describe the mines' spatial phenomenon and carry out spatial analysis.The samples show this model has better practicability in mining than traditional models.
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