| 基于DEM的可视频度提取与制图 |
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| 引用本文： | 陈卫,汤国安.基于DEM的可视频度提取与制图[J].现代测绘,2007,30(1):3-6. |
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| 作者姓名： | 陈卫 汤国安 |
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| 作者单位： | 南京师范大学,地理科学学院,江苏,南京,210097 |
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| 摘 要： | 首先提出可视频度的概念、分类与描述方式,着重阐述了动态观测点和动态目标点可视频度分析的理论模型.通过样区实验,介绍了可视频度提取原理和应用,并制作了可视频度专题图.
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| 关 键 词： | 可视频度 可视域 动态GIS |
| 文章编号： | 1672-4097(2007)01-0003-04 |
The Calculation and Mapping of Visibility Frequency Based on Grid Digital Elevation Model(DEM) |
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| Cheng Wei,Tang Guoan.The Calculation and Mapping of Visibility Frequency Based on Grid Digital Elevation Model(DEM)[J].Modern Surveying and Mapping,2007,30(1):3-6. |
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| Authors: | Cheng Wei Tang Guoan |
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| Abstract: | This article firstly introduce the conception of Visibility Frequency Analysis(VFA)as well as its classification and characters.Then it mainly discusses the Visibility Frequency Analysis with mobile observer point and target point.Throught a case study we experiments and illustrates how to calculate visibility frequency based on DEM and discuss the avail of visibility frequency thematic mapping in various application areas. |
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| Keywords: | DEM |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
