然而，这种使修改对象关联到view上的想法高度依赖应用程序的整体数据模型设计。
However, the idea of correlating modified objects to views is highly dependent on the overall design of the data model used in the application.
然后根据空间数据的基本概念和特征，利用面向对象的整体数据模型，分析了空间数据的组织方法和存储方式。
Then based on the basic concepts and features of spatial data, we analyze the organization and storage of spatial data by using the object-oriented holistic GIS data model.
其次，从地图信息结构特点出发，定义了数字地图实体、整体、聚合体，并在此基础上给出了数字地图实体的数据模型。
Then, the entity, entirety and entirety set (or polymer) of digital map are defined and the data model of digital map is discussed.
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