面向对象的城市管网数据组织模型设计  

Design of Data Organization Model for Urban Pipe Networks Based on Object

作　　者：程小凯[1] 李恺毅[1] 李景文[1] 陈大克[2] 

机构地区：[1]桂林理工大学土木与建筑工程学院,广西桂林541004 [2]广西壮族自治区科技厅,广西南宁530000

出　　处：《地理空间信息》2010年第2期127-129,133,共4页Geospatial Information

基　　金：国家自然科学基金资助项目(40574002);广西自然科学基金资助项目(0832250);广西科学研究与技术开发计划资助项目(0992030-1)

摘　　要：针对现有城市管网数据组织方式存在的问题,提出了一种基于面向对象的城市管网数据组织模型,该模型从人们认知的角度,将客观世界中的管网作为集数据和方法于一体的对象综合体,进行一体化存储和管理。模型在引入"类"概念的基础上,对基类中几何类和实体类的结构进行了详细设计,并讨论了模型中类与类、类与对象之间的关系,最后以城市供水管网为例,设计了基于对象的城市供水管网数据组织模型。In view of the analysis of the existed problems for data organization on Urban Pipe networks. This paper presented a data organization model for urban pipe network based on object. This model regarded the pipe networks in the objective world as the object complex of data and method from the point of human cognition. The structure of Geometry Class and Entity Class in Base Class were designed based on the ＂CLASS＂ in model, and class-class relation and class-object relation were discussed. Finally, taking example for urban water-supply networks, data organization model for urban water-supply networks based on object was designed.

关 键 词：对象 类 城市管网 数据组织 模型设计 

分 类 号：P208[天文地球—地图制图学与地理信息工程]