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阐述数字高程模型的概念及两种主要数据结构,简要介绍几种地形分析的算法,并以具体项目为背景,对数字高程模型在铁路交通中的应用进行研究。
The concept of digital elevation model and two main data structures are described. Several algorithms of terrain analysis are briefly introduced. Based on the specific project, the application of digital elevation model in railway traffic is studied.