THE PARTITION OF MULTI-RESOLUTION LOD BASED ON QTM

被引：0
|
作者：
Hou Miao-le [1 ]
Xing Hua-qiao [1 ]
Zhao Xue-sheng [2 ]
Chen Jun [3 ]
机构：
[1] Beijing Inst Civil Engn & Architecture, Dept Comp Sci, Beijing 100044, Peoples R China
[2] China Univ Min & Technol Beijing, Beijing 100083, Peoples R China
[3] Natl Geomat Ctr China, Beijing 100044, Peoples R China
来源：
GEOSPATIAL DATA INFRASTRUCTURE: FROM DATA ACQUISITION AND UPDATING TO SMARTER SERVICES | 2011年 / 38-4卷 / W25期
关键词：
Spherical Surface QTM; Multi-Resolution LOD; Viewpoint;
D O I：
暂无
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
The partition hierarch of Quaternary Triangular Mesh (QTM) determine the accuracy of spatial analysis and application based on QTM. In order to resolve the problem that the partition hierarch of QTM is limited by the level of the computer hardware, the new method that Multi-Resolution LOD (Level of Details) based on QTM will be discussed in this paper. This method can make the resolution of the cells varying with the viewpoint position by partitioning the cells of QTM, selecting the particular area according to the viewpoint; dealing with the cracks caused by different subdivisions, it satisfies the request of unlimited partition in part.
引用
收藏
页码：110 / 115
页数：6
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