Volume 33 Issue 3
Mar.  2008
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GUO Qingsheng, YANG Zuqiao, FENG Ke. Extracting Topographic Characteristic Line from Contours[J]. Geomatics and Information Science of Wuhan University, 2008, 33(3): 253-256.
Citation: GUO Qingsheng, YANG Zuqiao, FENG Ke. Extracting Topographic Characteristic Line from Contours[J]. Geomatics and Information Science of Wuhan University, 2008, 33(3): 253-256.
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Extracting Topographic Characteristic Line from Contours

  • 1School of Resource and Environment Science,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2 Key Laboratory of Geographic Information System,Ministry of Education,Wuhan University, 129 Luoyu Road,Wuhan 430079,China;3 State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,129 Luoyu Road,Wuhan 430079,China;4 School of Computer Science and Technology,Huanggang Normal University,146 Xingang Road,Huanggang 438000,China

Funds: 国家自然科学基金资助项目(40571133)
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  • Received Date: December 25, 2007
  • Revised Date: December 25, 2007
  • Published Date: March 04, 2008
    Graphical Abstract
    • Abstract
  • Two kinds of methods on extracting topographic characteristic lines from contours are presented,by means of constrained Delaunay TIN,and their computing processes are given.Based on these methods,similarity and difference of the experimental results is discussed,and the reason resulting in these differences is analyzed.
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