Discussion of several problems in DTM based on TIN

Journal of Chongqing Jiaotong University(Natural Science) ›› 2004, Vol. 23 ›› Issue (2): 90-93.

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Discussion of several problems in DTM based on TIN

LAI Hong-bin , LI Yong-shu

Department of Surveying Engineering,Southwest Jiaotong University,Chengdu 610031,China

Received:2003-02-21 Revised:2003-06-19 Online:2004-04-15 Published:2015-05-18

基于不规则三角网的DTM若干问题的探讨

赖鸿斌,李永树

西南交通大学测量工程系,四川成都610031

作者简介:赖鸿斌(1978—),男,福建莆田人,硕士生,从事3S的应用研究
基金资助:
国家自然科学基金项目(40371098)资助

Abstract

Abstract: A method of estabisihing digital terrain models(DTM) with TIN is introduced, and problems during modeling are discussed in the paper.Furthermore,application problems about the hybrid model,as well as the data structure of TIN,are analyzed.In the end,the method of applying DTM based on TIN in engineering is illustrated

Key words: TIN, DTM, data structrue

摘要： 介绍了用不规则三角网(TIN)建立数字地面模型(DTM)的基本思路,讨论了在建模过程中所遇到问题的解决方法,分析了混合模型的应用问题及TIN数据结构.最后,运用实例说明了由TIN生成的DTM在工程中的应用方法.

关键词: 不规则三角网, 数字地面模型, 数据结构

CLC Number:

U412.24

LAI Hong-bin , LI Yong-shu. Discussion of several problems in DTM based on TIN[J]. Journal of Chongqing Jiaotong University(Natural Science), 2004, 23(2): 90-93.

赖鸿斌,李永树. 基于不规则三角网的DTM若干问题的探讨[J]. 重庆交通大学学报（自然科学版）, 2004, 23(2): 90-93.

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Discussion of several problems in DTM based on TIN

基于不规则三角网的DTM若干问题的探讨

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