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《Urban Geotechnical Investigation & Surveying》 2015-01
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Design and Development of Urban 3D GIS System Based on OSG

Yin Zhiyong;Wang Tao;Xu Ying;Liu Qingtao;Tianjin Institute of Surveying and Mapping;  
Compared to 2D GIS system urban 3D GIS system has the advantage of intuitive and accuracy,it is an important step of digital urban construction. This paper designed architecture of urban 3D GIS system and introduced technical route of 3D GIS system building,two major parts which is data production and system development were detailedly presentated in this paper. In this application system the used data includes 3D terrain model,aboveground landscape 3D model,underground landscape 3D model and attribute database,and the core supporting technology of system development is OSG 3D engine. This paper prominently analysed OSG efficient organization and scheduling mechanism to massive data and demonstrated system software functions.
【Fund】: 天津市滨海高新区智慧城市政府资源规划管理决策移动查询系统(XYGK2013021)
【CateGory Index】: P208
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