| 不规则三角网（TIN）VB 6.0编程实现 |
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| 引用本文： | 于鲁琪,刘宏波.不规则三角网（TIN）VB 6.0编程实现[J].东北测绘,2012(5):203-205. |
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| 作者姓名： | 于鲁琪 刘宏波 |
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| 作者单位： | 吉林省地理信息工程院,吉林长春130051 |
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| 摘 要： | 系统阐述了基于等高线数据建立高质量DEM的理论和方法,分析比较了国内外建立DEM的方法。采用VB 6.0环境下实现了等高线数据构建不规则三角网（TIN）。在DEM的研究中,DEM精度关系到DEM的生产者与使用者,人们总是希望DEM能够完全准确、客观地反映地球表面的起伏变化。
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| 关 键 词： | 数字高程模型 不规则三角网 格网 等高线 |
Programming of Triangulated Irregular Network in VB 6.0 |
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| YU Lu-qi,LIU Hong-bo.Programming of Triangulated Irregular Network in VB 6.0[J].Northeast Surveying and Mapping,2012(5):203-205. |
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| Authors: | YU Lu-qi LIU Hong-bo |
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| Institution: | (Institute of Geographic Information Engineering of Jilin Province,Changchun 130051,China) |
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| Abstract: | The paper introduces the theories and methods on how to produce high quality DEM data based on terrain feature from contour lines,and compares some popular methods of building DEM at home and abroad.In this study,the Triangulated Irregular Network model from contour lines in Visual Basic 6.0 is built.In the research of DEM,its accuracy influences the producers and users;hence people always hope DEM can reflect the fluctuation of the earth surface exactly and objectively. |
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| Keywords: | Digital Elevation Model（DEM） Triangulated Irregular Network（TIN） grid contour |
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