描述了过程链的模型设计，复杂的3D几何数据模型的制作说明了这些过程链。
A formal description is designed for process chains, determined by the processing of complex 3d geometry models.
在分析地质剖面图的几何特征的基础上，建立了地质剖面图的数据模型。
On the basis of analyzing the geometry characteristic of geologic section, the data model of section is built.
当今的GIS系统的空间数据模型，主要反映地图制图领域的点、线、面对象管理与操作的几何知识。
However, the spatial data model of main GIS systems only reflect knowledge of management and manipulation objects in field of cartography, such as point, line and poly geometry objects.
它在底层采用特征依赖图保存数据模型，中层用细胞元模型作几何模型，在用户层用视图模型表示。
It USES FDG as data model, cell-based model as geometric model, and view model as user interface, but it is more complex than the former system based on parameter and history.
在底层它用特征依赖图作为数据模型，在中层用细胞元模型作几何模型，在用户层用视图模型表示。
It USES feature dependent graph as data model, cell-based model as geometric model, and view model as user interface, but it is more complex than the former system based on parameter and history.
本文在分析GIS、CAD以及通用出版软件数据模型的基础上提出了面向地图出版的数据模型，具体包括几何对象模型、地图模型和拓扑模型以及它们的数据库存储方案。
The data model is drive from the analysis of the data model of GIS , CAD and DTP system. It include the geometry model, the map model, the topology model and their database schema.
本文在分析GIS、CAD以及通用出版软件数据模型的基础上提出了面向地图出版的数据模型，具体包括几何对象模型、地图模型和拓扑模型以及它们的数据库存储方案。
The data model is drive from the analysis of the data model of GIS , CAD and DTP system. It include the geometry model, the map model, the topology model and their database schema.
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