摘要
针对空间数据模型概念认识比较模糊的现状,通过结合目前常见的GIS系统,叙述了空间数据模型的发展,阐述了3种地理信息数据库的逻辑结构,最后分析了地理对象的组织思想。
Aiming at the status of relatively vague concept of spatial data model,through a combination of the common current GIS system,this paper described the development of spatial data model,expatiated the logic structure of the three geographic database.Finally,it analyzed the organizing thinking of geographical object.
出处
《测绘与空间地理信息》
2009年第6期96-98,共3页
Geomatics & Spatial Information Technology
关键词
空间数据模型
逻辑结构
组织思想
spatial data model
logic structure
organizing thinking
