三维虚拟地球的海洋信息适用性分析及原型研究
Analysis of 3D Virtual Globe's Applicability in Marine Information and the Prototype System Research
查看参考文献18篇
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文摘
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分析了三维虚拟地球在海洋应用上具有的优势及可能面临的挑战的基础上,首次提出了一种结合网格、语义网等前沿技术和理念,利用三维虚拟地球实现三维虚拟海洋的技术方案;并按照SOA的多层次架构,采用XML的多源异构海洋环境数据快速交换、海洋环境信息服务快速封装与发布、海洋环境信息服务虚拟组织、远程可视化等关键技术,实现了海洋环境信息网格平台及网格前端门户系统------三维虚拟海样(VRMarine). VRMarine不仅能够集成网格环境下多源海洋环境信息服务,再现逼真的三维海洋环境场景,同时,还支持对功能服务的动态集成,实现多维时空特征分析. 研究表明,该方案是切实可行和有效的,对三维虚拟海洋具有一定的现实及指导意义 |
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其他语种文摘
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As the growing of 3D Virtual Globe, it has become a popular geospatial information browser, and has been successfully applied in vast of field. However, its application in marine information still exists lot of problems such as low-level application and lack of supports from basic theory and key technology related with marine field. So in this paper, it mainly analyzes its applicability in marine information and researches in its technical roadmap to its application in marine information and the prototype system. Firstly, it reviews the problem and historical reason that exist in its application in marine, points out the advantages which show great potential for its application, also points out the challenges ahead, to which, much attention need to be paid. Secondly, based on the comprehensive analysis of the applicability, it researches into the front technologies in 3D virtual marine and the prototype realization. By taking advantage of technology of the state-of-art such as grid and semantic web, it initiates a strategy of divide and rule that deal with the front end and back end differently to realize the prototype for Digital Ocean in full use of GIS, virtual reality, grid, and semantic web technology. Finally, under the guidance of such technical strategy, a SOA-based multi-layer prototype system(VRMarine) was realized by taking full use of several key technologies such as multi-source marine environmental data exchanging based on XML, service encapsulation and publishing mechanism of marine environmental information, and virtual organization of marine environmental information service and remote visualization. VRMarine not only can reappear the realistic three dimensional scene of marine environment by integrating multi-source of marine geo-information services, but also can support high dimensional spatiotemporal analysis by dynamically integrating of kinds of functional service. Its success tested the feasibility and efficiency of the strategy proposed in previous and also exposed the deficiency in the semantics utilization which is of great significance to the future development of 3D Virtual Globe and the construction of Digital Ocean and will be researched in future |
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来源
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地球信息科学学报
,2010,12(4):555-561 【扩展库】
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关键词
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三维虚拟地球
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海洋地理信息系统
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数字海洋
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网格
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语义
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地址
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中国科学院地理科学与资源研究所, 北京, 100101
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1560-8999 |
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学科
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自然地理学 |
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基金
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中国科学院知识创新工程项目
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国家863计划
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中国科学院知识创新工程项目
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中国博士后科学基金
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文献收藏号
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CSCD:3980542
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18
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