| 基于路划网络功能的道路选取方法 |
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| 引用本文： | 徐柱,刘彩凤,张红,黄泽纯,李志林. 基于路划网络功能的道路选取方法[J]. 测绘学报, 2012, 41(5): 769-776 |
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| 作者姓名： | 徐柱 刘彩凤 张红 黄泽纯 李志林 |
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| 作者单位： | 1. 西南交通大学 地球科学与环境工程学院;2. 齐齐哈尔职业学院;3. 西南交通大学;4. 西南交通大学土木工程学院;5. 香港理工大学土地测量及地理资讯学系;6. 西南交通大学地球科学与环境工程学院; |
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| 基金项目： | 国家自然科学基金，国家973计划，教育部博士点基金新教师基金 |
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| 摘 要： | 提出以路划为选取单元以路划网络功能为选取指标的道路选取方法，路划网络功能的衡量指标综合考虑了中心度、连接度、长度等因素，由网络分析获得；选取的道路通过基于图论的逐步搜索保持连通性和规模最小；采用多种结构形态的实际城市局部路网、整体路网进行试验，结果表明该方法能较好地保持路网的整体结构、局部典型结构和道路连贯性，适用于各种形态的路网，具有良好的通用性，较常规的基于路划长度的选取方法具有明显优势。
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| 关 键 词： | 地图综合 道路选取 路划 中心度 连接度 |
| 收稿时间： | 2010-08-04 |
| 修稿时间： | 2012-03-27 |
Road Selection Based on Evaluation of Stroke Network Functionality |
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| XU Zhu,LIU Caifeng,ZHANG Hong,HUANG Zechun,LI Zhilin. Road Selection Based on Evaluation of Stroke Network Functionality[J]. Acta Geodaetica et Cartographica Sinica, 2012, 41(5): 769-776 |
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| Authors: | XU Zhu LIU Caifeng ZHANG Hong HUANG Zechun LI Zhilin |
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| Affiliation: | 1.Faculty of Geosciences and Environmental Engineering,Southwest Jiaotong University,Chengdu 610031,China;2.Department of Civil Engineering,Heilongjiang Communications Polytechnic,Qiqihar 161005,China |
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| Abstract: | A road selection process based on stroke functionality in the network is proposed, in which stroke functionality takes into account its degree of centrality, degree of connectivity and length, and is derived by means of network analysis. The selection set is guaranteed to be connected through adding minimum number of extra most significant strokes. Various structures of urban local and global road networks are used for experiments of selection using the process. The results show that the proposed process performs well upon all the experiment networks of different structures, maintaining the global structure of the network, maintaining typical local structures, and keeping the resulting network well connected. Comparison suggests the proposed process performs better than the conventional stroke length-based selection. |
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| Keywords: | map generalization road selection road stroke degree of centrality degree of connectivity |
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