基于拓扑相似性的道路网综合模型  

A Generalization of Road Networks Based on Topological Similarity

作　　者：邓红艳[1] 武芳[1] 王辉连[1] 朱鲲鹏[1] 

机构地区：[1]信息工程大学测绘学院

出　　处：《测绘科学技术学报》2008年第3期183-187,共5页Journal of Geomatics Science and Technology

基　　金：国家自然科学基金资助项目(40471115、40671162、40701157、40620130438);国家863计划资助项目(2007AA12Z211)

摘　　要：针对道路网综合时须保持道路网眼空间分布特征这一基本要求,在讨论道路网眼拓扑形式化描述的基础上提出了一种基于拓扑相似性的道路网综合模型。该模型通过制定道路网拓扑相似性评价指标来进行道路网综合方案选择,同时针对拓扑相似性相同的不同道路删除方案,进一步提出了利用道路形状加以评价的方法。结果表明,该模型原理正确,无论对于保持道路网眼空间分布还是形状特征都具有很好的效果。Aiming at the basic requirement that distributing characteristics of road networks＇ holes should be maintained, a new generalization model of road networks based on topological similarity was proposed on discussing topological formalizing description. This model selected road generalization outputs through establishing evaluating figures of road networks＇ topological similarity, furthermore, an assessing method depending on road＇ s shape was put forward, for different roads deleting schemes of the same topological similarity. The results indicated that principle of the model was correct, and it had a good effect for either spatial distribution or shape character of road networks holes.

关 键 词：道路网综合 拓扑 形式化描述 相似性 

分 类 号：P208[天文地球—地图制图学与地理信息工程]