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从3维电子地图的研究意义着手,分析了目前3维电子地图系统的研究与应用现状。针对不同用户对象的需求,将3维电子地图系统具体划分为设计系统和浏览系统两部分,并在此基础之上详细阐述了3维电子地图系统的总体结构。此外,重点讨论了3维场景的数据组织方式及其调用策略,最后详细阐述了设计系统和浏览系统的各个功能模块。 更多还原

【Abstract】 From the research purpose of 3D electronic map,this paper analyzed the status of research and application of 3D electronic map.Aiming at the requirements of different users,it divided the 3D electronic map system into design system and browse system,and detailedly discussed the overall structure of 3D electronic map system.Moreover,it emphasized on the data organization and invoking strategy.Finally,it discussed the functional modules of design system and browse system. 更多还原