| 一种基于3D GIS的计算水库淹没区范围的算法研究 |
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| 引用本文： | 洪亮,何宗宜,李世祥,李向新. 一种基于3D GIS的计算水库淹没区范围的算法研究[J]. 长江科学院院报, 2009, 26(9): 85-87 |
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| 作者姓名： | 洪亮 何宗宜 李世祥 李向新 |
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| 作者单位： | 武汉大学,资源与环境科学学院,武汉,430079;武汉大学,测绘遥感信息工程国家重点实验室,武汉,430079;昆明理工大学,国土资源工程学院,昆明,650093 |
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| 摘 要： | 介绍了水库淹没区的基本概念，分析了传统基于二维的水库淹没区范围和基于 DEM 模型的水库淹没区范围 2 种计算方法的不足，及它们计算水库淹没区范围存在误差的原因。提出了一种基于 3D GIS 的计算水库淹没区范围的算法，并列举了所提算法用来计算水库淹没区范围的基本流程，论证了该算法在理论上的可行性和在实践中的有效性。
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| 关 键 词： | 3D GIS DEM 水库淹没区 |
Algorithm Study on Calculation of Reservoir Submerged Area Based on 3D GIS |
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| HONG Liang,HE Zong-yi,LI Shi-xiang,LI Xiang-xin. Algorithm Study on Calculation of Reservoir Submerged Area Based on 3D GIS[J]. Journal of Yangtze River Scientific Research Institute, 2009, 26(9): 85-87 |
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| Authors: | HONG Liang HE Zong-yi LI Shi-xiang LI Xiang-xin |
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| Affiliation: | 1a.School of Resource and Environment Science;Wuhan University;Wuhan 430079;China;1b.State Key Laboratory for Information Engineering in Surveying;Mapping and Remote Sensing;2.Faculty of Land and Resource;Kunming University ofScience and Technology;Kunming 650093;China |
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| Abstract: | In this paper,the basic concept of the reservoir submerged area is introduced.The disadvantages of two algorithms,i.e.,the reservoir submerged area based on two-dimension and DEM model,and the reasons inducing errors for calculating the reservoir submerged area using this two algorithms are analyzed.Finally,an algorithm of the reservoir submerged area based on 3D GIS is presented.The basic process of calculating the reservoir submerged area using the proposed algorithm is analyzed.The feasibility in theory ... |
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| Keywords: | 3D GIS DEM |
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