This paper describes the model structure, model content and related applications of several commonly used GIS spatial data model of the current society.
本文主要介绍了当前社会中常用的几种GIS空间数据模型的模型结构、模型内容以及相关应用等。
The data model which is applicable to GIS of coalmine are put forward based on analysis of the characteristic of coalmine spatial information.
本文在分析煤矿空间信息特点的基础上，提出了实用于煤矿的地理信息系统数据模型。
Highly application of GIS to urban traffic pollution management has been developed, which consisted of proscenium-GIS system, back stage-motor vehicle emission model and spatial data base.
开发了高层应用城市交通污染管理信息系统，由前台gIS系统、后台机动车排放模型、空间数据库三大部分构成。
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.
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。
By primary data process, visual output of GIS and ANN model, thesis has expanded the spatial assistant decision function.
模型利用GIS处理基础数据、可视化输出预测结果，利用人工神经网络模型来扩展GIS空间辅助决策功能。
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.
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。
After analysis, it is concluded that GIS spatial analysis, GIS model analysis and the acquisition technique for basic data is the researching direction.
经过分析论证得出的结论是：研究GIS空间分析、模型分析和基础数据的获取技术是今后努力的方向。
Ideally, a variety of smaller scale spatial data can be automatically derived from a large scale spatial database. That requires model generalization technology in the GIS environment.
理想的情况是能够从大比例尺空间数据库自动衍生各种小比例尺空间数据，即实施GIS环境下的模型综合。
The spatial database is both the core and the key to GIS while the data model is the premise and the foundation for a spatial database.
空间数据库是GIS的核心与关键，而数据模型是空间数据库的前提与基础。
Completely changing or largely modifying data model of current GISs and developing a lot of spatial process models which may have very narrow applications could not be accepted by the GIS vendors.
完全改变或较大修改数据模型，并开发大量的但可能只具有较窄的应用范围的时空分析模型不会被GIS开发者所接受。
According to the spatial and temporal characteristics of GIS-T data, this thesis has carried on the analysis and comparison of several existing spatiotemporal data model.
根据GIS - T数据所具有的时空特性，本文对现有的时空数据模型进行对比分析。
The spatial data model is basic to the research of GIS.
模型是地理信息系统(GIS)研究的基础内容。
The spatial data model is basic to the research of GIS.
模型是地理信息系统(GIS)研究的基础内容。
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