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《Science of Surveying and Mapping》 2013-04
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Dynamic scheduling of three-dimensional massive model data based on databasepager

DENG Shi-jun,WANG Yong-jie,DOU Hua-cheng,DANG Zeng-ming,CHENG Liang-yong(Tianjin Institute of Geotechnical Investigation and Surveying / Tianjin StarGIS Information Engineering CO,.LTD,Tianjin 300384,China)  
The amount of three-dimensional digital urban model data and rendering urban are very large,how to manage these data effectively for realizing real-time 3D visualization interaction is a big problem.After researching forms,distribution and data characters of three-dimensional digital urban models,this paper proposed the scientific dividing strategy.It studied OSG data dynamic paging scheduling technology,analyzed the deficiency of the algorithm,and proposed the reasonable scheduling strategy of three-dimensional massive model data.Based on the above research result,this paper realized the effective dynamic scheduling display and layered control of three-dimensional massive model library.
【Fund】: 天津市规划局科技计划项目(2010-KJA-12)
【CateGory Index】: P208
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