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	VDDMTM: A View-Dependent Dynamic Multiresolution Terrain Model
	Liu, ZP ; Wang, HW ; Yang, M ; Dong, SH ; Wang, GP
	1999
关键词	Digital Earth VDDMTM multiresolution representation DEM terrain quadtree evaluation function crevice VES
英文摘要	Large-scale terrain visualization is a key problem in Digital Earth. In this paper a View-Dependent Dynamic Multiresolution Terrain Model (VDDMTM) is presented, with the multiresolution representation mechanism, the dynamic terrain simplification and the evaluation function discussed. A bucket sorting method is adopted to repair crevices intrinsically caused by quadtree structure used in VDDMTM. Applied in Digital Earth based virtual sys -Virtual Earth System(VES),VDDMTM pro-yes to be very efficient for large-scale terrain visualization Realtime browse can be attained under the ordinary circumstance.; Computer Science, Interdisciplinary Applications; Computer Science, Software Engineering; CPCI-S(ISTP); 1
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/294005]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Liu, ZP,Wang, HW,Yang, M,et al. VDDMTM: A View-Dependent Dynamic Multiresolution Terrain Model. 1999-01-01.

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