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GIS中复杂地图的事务约束规则

Transaction Rules about the Complex Map in the GIS
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摘要 GIS中事务约束规则对于保证数据库更新时数据的完整性和一致性具有重要的意义。论文在一组基本拓扑约束规则的基础上,对复杂地图即包含岛或洞可分离地图中的事务约束规则进行了详细的研究,并提出了一组完整的事务约束规则。这组约束规则包括分裂面,合并面以及改变几何形状而保证拓扑关系不变。 The transaction constraint rules are important for preserving the data integrity and consistency when the database is updated in a GIS.This paper provides a set of integrate transaction rules,which supports the complex map,on the basis of a set of basic topological axioms.These transaction rules include splitting face,merging faces and chang-ing geometry while preserving topology.
作者 李芳玉 潘懋
出处 《计算机工程与应用》 CSCD 北大核心 2003年第22期35-37,共3页 Computer Engineering and Applications
基金 国家863高科技研究发展计划资助项目(编号:2001AA135180)
关键词 事务 约束规则 GIS 拓扑 transaction,constraint rule,GIS,topology
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参考文献6

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