空间拓扑关系若干问题研究现状的评析  

Spatial Topological Relationships:An Overview and Analysis

作　　者：吴长彬[1] 闾国年[1] 

机构地区：[1]南京师范大学虚拟地理环境教育部重点实验室,南京210046

出　　处：《地球信息科学学报》2010年第4期524-531,共8页Journal of Geo-information Science

基　　金：国家自然科学基金重点项目(40730527);江苏省高校自然科学基础研究项目资助项目(08KJD170005)

摘　　要：空间拓扑关系是G IS研究中的基础性问题。其对空间数据的存储与表达、空间查询分析与实际应用等都具有重要的意义。从空间拓扑关系认知与语义、空间拓扑关系形式化表达、空间拓扑关系推理、时空拓扑关系表达几个方面介绍拓扑关系的研究现状,特别对空间拓扑关系形式化表达,一直是国内外G IS研究的一个热点,存在交叉、区域连接演算、二维字符串等模型;讨论了拓扑关系最新的研究方向,针对当前模型无法表达复杂的点、线、面间拓扑关系的突出问题;探讨了复杂空间拓扑关系描述研究的思路,根据实际中地理目标的不确定性和模糊性特点,介绍了不确定对象的拓扑关系表达的一些研究动向。Topological spatial relationship is the basis of GIS research issue,and is of great importance to spatial data storage and expression,spatial query and analysis and practical application.Spatial cognition and semantics of topological relations,spatial expression of topological relations,topological relations reasoning,and spatio-temporal topological relations are introduced as several aspects of research.Especially,formal expression of spatial topological relations has been a hot topic in GIS,among which RCC（Region Connection Calculus）,Intersection Model,2D-String Model and so on are well known.Some recent studies,focusing around the complex object,expression of topological relations between uncertain objects,are mainly discussed.Since current models can hardly represent more complex point,line and region,they must be improved or extended.For uncertainty and ambiguity are some of natural characteristics of geographic objects,it is essential to describe topological relationships between uncertain objects.In addition,some recent research literatures also address the topological relationship between three-dimensional objects,moving objects,etc.Summing up the above,the representation of topological relationships is a complex issue,which related to geographic,GIS,computer graphics and other disciplines of knowledge.Although the studies of topological spatial relations have made progress,there are still some problems.It is to be enhanced in future studies that the more practically topological relation models are applied to solve problems in real works.

关 键 词：拓扑关系 拓扑关系推理 时空拓扑关系 不确定对象 

分 类 号：P208[天文地球—地图制图学与地理信息工程]