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	A three-dimensional visualization method of the earth field data based on GeoSOT-3D grid
	Wu, Feilong ; Cheng, Chengqi ; Yang, Yubo ; Lu, Nan ; Zheng, Chengxun
刊名	Journal of Computational Information Systems
	2015
DOI	10.12733/jcis16044
英文摘要	The scale of human activities is not limited on the Earth surface, and the Earth space requires more convenient visualization methods, especially for the Earth field data. In the traditional methods, complex modeling is necessary for different applications, and no method is available. 3D Earth grids provide a new thinking for visualization of the Earth field data. GeoSOT-3D grid is introduced, which makes a recursive quad subdivide, and builds a strict octree. Each grid could be supposed as a block, which is stored in the database by specific structure. When the blocks piece together, true 3D effects will appear. Then some visualization methods are introduced, such as surface display, transparent process. After some experiments, the globe geomagnetic data is expressed, according to 388800 grids. The experiment shows, it is feasible to express the Earth field data by GeoSOT-3D grid, with high efficiency, good visual effects, and better operability. Copyright ? 2015 Binary Information Press.; EI; 21; 7857-7864; 11
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/435913]
专题	地球与空间科学学院 工学院
推荐引用方式 GB/T 7714	Wu, Feilong,Cheng, Chengqi,Yang, Yubo,et al. A three-dimensional visualization method of the earth field data based on GeoSOT-3D grid[J]. Journal of Computational Information Systems,2015.
APA	Wu, Feilong,Cheng, Chengqi,Yang, Yubo,Lu, Nan,&Zheng, Chengxun.(2015).A three-dimensional visualization method of the earth field data based on GeoSOT-3D grid.Journal of Computational Information Systems.
MLA	Wu, Feilong,et al."A three-dimensional visualization method of the earth field data based on GeoSOT-3D grid".Journal of Computational Information Systems (2015).

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