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An efficient clipping algorithm of urban massive 3D scene
Author(s):
YIN Yong
,
MA Zhao-ting
,
WANG Ji-zhou
,
LI Cheng-ming
Pages:
35
-
37
Year:
2009
Issue:
1
Journal:
Science of Surveying and Mapping
Keyword:
三维
;
海量
;
裁剪算法
;
Abstract:
针对目前三维GIS领域缺少城市海量三维场景的快速裁剪算法,方便城市三维数据的分发与应用,本文在对三维场景进行分区组织以及动态调度的基础上,提出了一种层-区-块-模型四层次由粗到精的快速真三维裁剪算法.数个城市的应用实践证明,该算法准确、高效,适用于城市海量三维场景的快速裁剪.
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