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AN OBJECT-ORIENTED VECTOR DATA MODEL FOR 3D GEOLOGICAL VOLUME MODELING

机译:3D地质卷建模面向对象的矢量数据模型

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摘要

The 3D data model is an important issue to be solved in 3DGIS. Based on the study of the basic characteristics of geological objects and the especial requirement for computational 3D geological volume modeling, the authors give out an object-oriented 3D topologic data model for geological volume modeling. In this data model, the geological volumes are divided into four classes: the composite volume class, the complex volume class, the simple volume class and the component class. The component is the basic volume element for the division of a geological volume, and is constituted by points, characteristic links, arcs, polygons on the profile and component faces. The data model is useful in the modeling of geological volumes and relevant topologic query and analysis.
机译:3D数据模型是在3DGIS中解决的重要问题。基于研究地质目的的基本特征和计算3D地质卷建模的特殊要求,作者提供了一种用于地质体积建模的面向对象的3D拓扑数据模型。在此数据模型中,地质卷分为四类:复合卷类,复数类,简单卷类和组件类。该组件是地质体积分割的基本体积元件,并且由曲线和部件面上的点,特征链路,弧,多边形构成。数据模型可用于地质卷和相关拓扑查询和分析的建模。

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