网络环境下海洋标量场数据三维可视化研究
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摘要
为了实现多种海洋标量数据在网络环境下的三维可视化,设计基于开源三维地球框架Cesium的海洋标量场数据可视化系统,三维数据可视化系统采用B/S架构。文中对系统整体架构和功能设计进行详细阐述:系统采用瓦片思想,运用层次细节和数据动态调度方法优化数据可视化效果;系统实现数据的时间过程动态可视化、要素点属性查询和点过程曲线查询等功能。实验结果表明,该系统框架方法具有可行性,可在海洋环境分析中起到一定辅助作用。
A marine scalar field data visualization system based on the open-source 3D terrestrial framework Cesium is designed to achieve the 3D visualization of various marine scalar data in the network environment. The B/S architecture is adopted for the 3D data visualization system. The overall architecture and function design of the system are illustrated in detail in this paper. The data visualization effect is optimized by using the tile thought and the level of detail(LOD)and data dynamic scheduling methods. The dynamic visualization of data′ s time process,queries of element point property and point process curve,and other functions are realized in the system. The experimental results show that the system framework method has feasibility and can play a supplementary role in marine environment analysis.
A marine scalar field data visualization system based on the open-source 3D terrestrial framework Cesium is designed to achieve the 3D visualization of various marine scalar data in the network environment. The B/S architecture is adopted for the 3D data visualization system. The overall architecture and function design of the system are illustrated in detail in this paper. The data visualization effect is optimized by using the tile thought and the level of detail(LOD)and data dynamic scheduling methods. The dynamic visualization of data′ s time process,queries of element point property and point process curve,and other functions are realized in the system. The experimental results show that the system framework method has feasibility and can play a supplementary role in marine environment analysis.
引文
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[3]李新放,刘海行,周林,等.基于OpenSceneGraph的海洋环境三维可视化系统研究[J].海洋科学,2012,36(1):54-58.LI Xinfang,LIU Haixing,ZHOU Lin,et al. A three-dimen-sion visualization system of marine environment based on Open-SceneGraph[J]. Marine sciences,2012,36(1):54-58.
[4]孔倩倩,韩勇,李文庆,等.海洋标量数据多维多模式动态可视化系统设计实现[J].微计算机信息,2011,27(5):177-179.KONG Qianqian,HAN Yong,LI Wenqing,et al. A multi-di-mension and animated visualization system for marine scalar field data with multi-mode[J]. Microcomputer information,2011,27(5):177-179.
[5]徐胜华,刘纪平,王想红,等.基于三维GIS的海洋标量场数据动态可视化[J].测绘通报,2013(10):50-53.XU Shenghua,LIU Jiping,WANG Xianghong,et al. There di-mensional dynamic visualization for marine scalar field data based on 3D GIS[J]. Bulletin of surveying and mapping,2013(10):50-53.
[6]石绥祥,雷波.中国数字海洋:理论与实践[M].北京:海洋出版社,2011.SHI Suixiang,LEI Bo. Theory and practice on China digital ocean[M]. Beijing:China Ocean Press,2011.
[7]宋丽丽,康林冲,王漪,等.基于B/S的海洋环境数据可视化与服务[J].海洋科学,2016,40(7):124-131.SONG Lili,KANG Linchong,WANG Yi,et al. Visualization and service of marine environmental data based on B/S[J]. Ma-rine sciences,2016,40(7):124-131.
[8]张信雪,吕晓琪,王月明,等.海洋叶绿素a浓度动态可视化研究[J].海洋科学,2017,41(3):75-79.ZHANG Xinxue,LüXiaoqi,WANG Yueming,et al. Dynam-ic visualization of marine chlorophyll a concentration[J]. Ma-rine sciences,2017,41(3):75-79.
[9] CLARK J H. Hierarchical geometric models for visible surface algorithms[J]. Communications of the ACM,1976,19(10):547-554.
[10]王想红.基于三维虚拟地球的海洋环境数据动态可视化研究[D].阜新:辽宁工程技术大学,2013.WANG Xianghong. Research on marine environment data dy-namic visualization based on 3D virtual earth[D]. Fuxin:Liaoning Technical University,2013.
[11]王想红,刘纪平,王亮,等.海洋标量数据的三维动态可视化系统研究[J].海洋科学,2013,37(7):90-94.WANG Xianghong,LIU Jiping,WANG Liang,et al. Re-search on three-dimensional and dynamic visualization system for marine scalar field data[J]. Marine sciences,2013,37(7):90-94.