| 基于GIS的城市道路网无级比例尺信息提取 |
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| 引用本文： | 杨伶俐,李小娟,尹连旺,宫辉力,赵文吉.基于GIS的城市道路网无级比例尺信息提取[J].测绘科学技术学报,2006,23(3):225-227. |
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| 作者姓名： | 杨伶俐 李小娟 尹连旺 宫辉力 赵文吉 |
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| 作者单位： | 首都师范大学 |
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| 摘 要： | 阐述了无级比例尺矢量数据信息处理技术的基本原理、流程与方法,研究了城市道路网信息提取的实现方法,概括了无级比例尺信息提取过程中要素选取的"取舍"原则,提出了面向对象的城市道路网分类体系,并运用层次分析法对同级别城市道路进行重要性排序,从而实现了将各级别城市道路的重要性进行总体排序,为城市道路网无级比例尺信息的内容选取提供了前提.
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| 关 键 词： | 城市道路网 无级比例尺 信息提取 |
| 文章编号： | 1673-6338（2006）03-0225-03 |
| 收稿时间： | 2006-01-07 |
| 修稿时间： | 2006-03-11 |
Information Abstract of Urban Roads on Varying Map Scale |
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| YANG Ling-li,LI Xiao-juan,YIN Lian-wang,GONG Hui-li,ZHAO Wen-ji.Information Abstract of Urban Roads on Varying Map Scale[J].Journal of Zhengzhou Institute of Surveying and Mapping,2006,23(3):225-227. |
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| Authors: | YANG Ling-li LI Xiao-juan YIN Lian-wang GONG Hui-li ZHAO Wen-ji |
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| Institution: | 1 .Beijing Key Lab of Resource Environment and GIS, Capital Normal University, Beijing 100037 China; 2 .Key Lab of 3D Information Acquisition and Application, MOE, Beijing 100037, China |
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| Abstract: | The paper states briefly the method and procedure of data processing technique on varying map scale, and studies generalization method of urban road information with the idea of varying map scale. It concentrates on solving the problem of accurate and objective classification and importance sorting of urban roads, which builds up the foundation for realizing the information generalization technique of urban roads. |
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| Keywords: | urban roads varying scale information abstract |
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