文章基本信息

标题：Application of Breakline and Manual Additional Points in Tin Modeling
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作者：Gu Linyu ; Lu Xiaoping ; Li Yingcheng 等
期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2009
卷号：XXXVIII-7/C4
页码：346-351
出版社：Copernicus Publications
摘要：The triangular irregular network (TIN) is the most commonly used digital elevation models. However, because there is no boundary information contained in LIDAR data, and the LIDAR dataset contains data gaps where water occurs, TIN modeling will only follow the principles of structure, without using any boundary information. Thus, there will be depiction error in TIN modeling when it comes across some special features. This paper reviews the technique of airborne LiDAR Data Collection and Processing, and the use of LiDAR data for DEM generation, with special focus on method of TIN modeling. Two methods will be used to support TIN modeling, one is integration of the breaklines into TIN modeling, and the other one is integration of manual additional points into TIN modeling. In the experiment, some kinds of features and terrain will be used to analysis the validity and necessity of these methods in supporting TIN modeling
关键词：LIDAR; Breakline; Manual DEM editing;Manual additional points; TIN