| 基于ArcEngine的数字高程模型更新方法研究 |
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| 引用本文： | 施永胜,邹峥嵘,孙鸿睿.基于ArcEngine的数字高程模型更新方法研究[J].海洋测绘,2006,26(1):50-53. |
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| 作者姓名： | 施永胜 邹峥嵘 孙鸿睿 |
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| 作者单位： | 中南大学,信息物理工程学院,湖南,长沙,410083 |
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| 摘 要： | 采用COM技术,以ARCENGINE所提供的类库和凸包算法,实现了数字高程模型(DEM)数据更新的边界检测和利用矢量地形数据采集更新数字高程模型数据的方法。保证了数字高程模型数据的精度,可以满足数字高程模型的现势性需求。
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| 关 键 词： | 地理信息系统 数字高程模型 凸包算法 边界检测 |
| 文章编号： | 1671-3044（2006）01-0050-04 |
| 收稿时间： | 2005-08-23 |
| 修稿时间： | 2005年8月23日 |
Research on the Updating Method of DEM Based on ArcEngine |
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| SHI Yong-sheng,ZOU Zheng-rong,SUN Hong-rui.Research on the Updating Method of DEM Based on ArcEngine[J].Hydrographic Surveying and Charting,2006,26(1):50-53. |
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| Authors: | SHI Yong-sheng ZOU Zheng-rong SUN Hong-rui |
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| Institution: | School of Info-Physics and Geomatics Engineering,Central South University ,Changsha,Hunan,410083 |
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| Abstract: | This paper applies the technology of COM and the classes library of ArcEngine that ESRI provides,introduces the algorithm of convex hull,realizes the renewal of digital elevation modeling(DEM) by boundary detection using data collection about vector terrain.It makes sure the precision of DEM,can meet the reality needs of DEM. |
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| Keywords: | geographic information system(GIS) digital elevation modeling(DEM) algorithm of convex hull boundary detection |
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