| 基于图模型和拓扑约束的管网数据一致性检测 |
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| 引用本文： | 韦人玮,吴小芳,杜清运.基于图模型和拓扑约束的管网数据一致性检测[J].地理空间信息,2006,4(1). |
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| 作者姓名： | 韦人玮 吴小芳 杜清运 |
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| 作者单位： | 武汉大学,资源与环境科学学院,湖北,武汉,430079;地理信息系统教育部重点实验室,湖北,武汉,430079;武汉大学,资源与环境科学学院,湖北,武汉,430079;地理信息系统教育部重点实验室,湖北,武汉,430079;武汉大学,资源与环境科学学院,湖北,武汉,430079;地理信息系统教育部重点实验室,湖北,武汉,430079 |
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| 摘 要： | 正确可靠的数据是GIS系统的核心。针对管网数据的复杂性,提出利用图数据模型描述管网拓扑关系,并使用拓扑约束方法对管网数据一致性进行检测,以确保数据的正确性。该方法吸收了基于连接规则以及基于拓扑关系约束的方法的优点,能够更好的描述管网系统的整体结构并对其进行拓扑约束,使得一致性检测更加全面。
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| 关 键 词： | 供水管网GIS 图论 拓扑约束 |
Consistency Checking of Pipeline Network Based on Graph Model and Topological Constraint |
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| WEI Renwei,WU Xiaofang,DU Qingyun.Consistency Checking of Pipeline Network Based on Graph Model and Topological Constraint[J].Geospatial Information,2006,4(1). |
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| Authors: | WEI Renwei WU Xiaofang DU Qingyun |
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| Abstract: | The correct and reliable data is the core of GIS. In this paper, the graph data model is introduced to represent the topological relation of pipeline network with respect to the complexity of pipeline network data, and the topological constraint condition is used to check the topological relation in order to keep the data correct. The method combines the advantages of both the connectivity rules method and the topological constraint condition, and is able to represent the integral structure of pipeline network system in more detailed way, and detect the errors more comprehensively. |
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| Keywords: | pipeline network GIS graph theory topological constraint |
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