| 基于参考椭球面的全球地形格网数据构建 |
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| 引用本文： | 翟振和,任红飞.基于参考椭球面的全球地形格网数据构建[J].测绘信息与工程,2011,36(2):22-24. |
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| 作者姓名： | 翟振和 任红飞 |
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| 作者单位： | 西安测绘研究所;信息工程大学测绘学院; |
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| 摘 要： | 阐述了构建基于参考椭球面的全球地形数据的意义,介绍了构建全球地形数据的数据源及构建方法,生成了基于参考椭球面的格网大小为2.5′×2.5′全球地形高程数据和密度数据,为椭球面边值问题的深入研究提供了基础数据。
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| 关 键 词： | 参考椭球面 全球地形 边值问题 |
Construction of Global Terrain Grid Data Based on Ellipsoidal Surface |
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| ZHAI Zhenhe,REN Hongfei.Construction of Global Terrain Grid Data Based on Ellipsoidal Surface[J].Journal of Geomatics,2011,36(2):22-24. |
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| Authors: | ZHAI Zhenhe REN Hongfei |
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| Institution: | ZHAI Zhenhe REN Hongfei(Xi'an Institute of Surveying and Mapping,1 Middle Section Yanta Road,Xi'an 710054,China,Institute of Surveying and Mapping,Information Engineering University,66 Middle Longhai Road,Zhengzhou 450052,China) |
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| Abstract: | The significance of constructing global terrain gird data based on the reference ellipsoid is presented.The methods and data resources are introduced.The grid data with the size of 2.5′ by 2.5′ for global terrain and density based on reference ellipsoid is produced.It is very useful for us to solve the boundary value problem based on ellipsoid. |
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| Keywords: | reference ellipsoid global terrain boundary value problem |
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