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g IS系统、后台机动车排放模型、空间数据库三大部分构成。
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