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《Science of Surveying and Mapping》 2010-05
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Research on the affect factor of data organization and management in large-scale terrain visualization

YUE Li-qun①,XIA Qing①,WANG Hong-wei②,WANG Shu-cheng③(①Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;②73608 Troops,Nanjing 210028,China;③73501 Troops,Dongshan 212003,China)  
In this paper,during the research of the characteristics and rendering requirements of massive terrain data,we put forward five affect factor to the organization and management of massive terrain data,and explain the relationship of these factor,then prove the importance of these factor by experiment.On the base of the most satisfaction to the five fator,we design and implement "the Global Multi-resolution Terrain Simulation System" with the help of modularization,the new rending algorithm improves the rendering speed of massive terrain data,the system can realize the 3D real-time rendering via multi-resolution terrain data of the global area.The system is used widely in the field of digital earth,3D GIS and the visualization of battlefield environment.
【CateGory Index】: P208
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
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