| 兰州市区DEM的建立及初步应用 |
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| 引用本文： | 赵军 詹启仁. 兰州市区DEM的建立及初步应用[J]. 西北师范大学学报(自然科学版), 1996, 32(2): 66-69 |
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| 作者姓名： | 赵军 詹启仁 |
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| 作者单位： | 西北师范大学地理系 |
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| 摘 要： | 数字高程模型（ＤＥＭ）是各种地理信息系统（ＧＩＳ）不可缺少的组成部分。通过在１：１００００地形图上采集高程数据，建立兰州市区数字高程模型，并在ＤＥＭ基础上进行了一些初步应用（如绘制各种等高距的地形等高线图、三维立体观察图和进行海拔高度频率统计分析等）。
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| 关 键 词： | 地理信息系统，机助制图，兰州市 |
Establishment and preliminary application of DEM of the city of Lanzhou |
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| Zhao Jun, Zhan Qiren. Establishment and preliminary application of DEM of the city of Lanzhou[J]. Journal of Northwest Normal University Natural Science (Bimonthly), 1996, 32(2): 66-69 |
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| Authors: | Zhao Jun Zhan Qiren |
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| Abstract: | Digital Elevation Model (DEM) is an indispensable part of GIS. To collect elevation data from 1 : 10 000 topographic map, we established the DEM of the urban districts of Lanzhou. On the basis of the DEM,we can make some preliminary application such as drawing the contour map of the different contour interval and 3D-observation map and making the statistics analysis of the frequency of elevation ) etc. |
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| Keywords: | GIS computer aid cartography Lanzhou |
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