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《Journal of Engineering Graphics》 2008-03
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Acquiring and Processing DEM from Aerial Survey Topographic Drawings

CHENG Yao-dong1,ZHANG Li-ping1,DONG Ming-cai2,HAN Jin1(1.School of Mathematics and Physics & Software Engineering,Lanzhou Jiaotong University,Lanzhou Gansu 730070,China;2.First Design and Survey Insititue,Lanzhou Gansu 730000,China)  
The method of how to acquire the figure altitude from aerial survey topographic drawings is proposed based on the analysis of attribution,memory framework and graphic database in the aerial survey topographic drawings.The system is developed using Visual C++6.0 and ObjectARX 2002 with the functions of processing multi-memory formats and multi-method for DEM to provide the figure altitude model for route design automation.The achievement has been used in the route selection of highway and railway,which has improved the design efficiency greatly.
【Fund】: 甘肃省建设厅科技攻关资助项目(GK2001-04);; 兰州交通大学“青蓝人才工程资助计划”基金资助项目(2004-03-01)
【CateGory Index】: P283
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 CHENG Yao-dong (School of Mathematics and Physics & Software Engineering, Lanzhou Jiaotong University, Lanzhou 730070,China);Uniting and Trimming of Drawing[J];Journal of Engineering Graphics;2005-01
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 CHENG Yao-dong (School of Mathematics and Physics & Software Engineering, Lanzhou Jiaotong University, Lanzhou 730070,China);Uniting and Trimming of Drawing[J];Journal of Engineering Graphics;2005-01
2 HU Hong-bing,HU Guang-dao(Institute of Mathematical Geology & Remote Sensing,China Universityof Geosciences,Wuhan 430074,China);DEM-based Visualization and Quantitative Analysis of River Channel Evolution of South Branch in Changjiang Estuary[J];Journal of Yangtze River Scientific Research Institute;2008-02
3 WANG Chun,TAO Yang,JIA Dun-xin,ZHU Xue-jian (Key Laboratory of Virtual Geographic Environment,MOE,Nanjing Normal University,Nanjing 210097,China);Study on the Accuracy of Regular Grid DEM Topographical Description Morphology[J];Geomatics World;2008-01
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1 ;基于ArcGIS的DEM数据生成方法的研究与探讨[A];[C];2007
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【Secondary Citations】
Chinese Journal Full-text Database 6 Hits
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