基于SSH框架的NC数据可视化验证系统研究
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摘要
为了增强用户对WRF气象模式数据的直观性认识,设计一种基于SSH框架的NC数据可视化系统。该系统允许用户和数据之间进行交互读取,使用颜色映射函数将具体数据值映射成直观的颜色,结合WebGL绘图技术实现气象数据的形象显示,同时设计以时间、高度为变量的动画展示。利用NCL编码语言,对NC数据进行二次可视化,将两次可视化结果进行对比,完成系统验证。实验结果表明,该系统的可行性可极大地提高气象工作人员对NC数据动态变化的直观把握,有利于其做出相关决策。
In order to enhance the user′s intuitive understanding of WRF meteorological mode data,an NC data visualization system based on SSH framework is designed. The system allows interactive reading between users and data. The color mapping function is used to map specific data values into intuitive color elements. The images are displayed on the screen by combining Web GL drawing technology. An animation exhibition which uses time and height as the variables is designed. The NCAR command language(NCL)is adopted to realize the secondary visualization of NC data. The two visualization results are compared to accomplish the system verification. The experimental results shows that the feasibility of the system is proved,and meteorological staff′ intuitive control for dynamic changes in NC data is greatly improved which is conducive to making relevant decisions for meteorological staff.
In order to enhance the user′s intuitive understanding of WRF meteorological mode data,an NC data visualization system based on SSH framework is designed. The system allows interactive reading between users and data. The color mapping function is used to map specific data values into intuitive color elements. The images are displayed on the screen by combining Web GL drawing technology. An animation exhibition which uses time and height as the variables is designed. The NCAR command language(NCL)is adopted to realize the secondary visualization of NC data. The two visualization results are compared to accomplish the system verification. The experimental results shows that the feasibility of the system is proved,and meteorological staff′ intuitive control for dynamic changes in NC data is greatly improved which is conducive to making relevant decisions for meteorological staff.
引文
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[4]周长江.数字城市三维景观建模及可视化技术研究[D].徐州:中国矿业大学,2014.ZHOU Changjiang.Research on 3D landscape modeling and visualization technology in digital city[D].Xuzhou:China University of Mining and Technology,2014.
[5]王涵,李玲,孙学庆,等.CMACast内蒙古气象信息Web平台的设计与实现[J].气象科技,2014,42(2):283-286.WANG Han,LI Ling,SUN Xueqing,et al.Design and implementation of CMACast Inner Mongolia meteorological information Web platform[J].Meteorological science and technology,2014,42(2):283-286.
[6]周立刚.基于J2EE的外事管理系统的设计与实现[D].天津:南开大学,2014.ZHOU Ligang.Design and implementation of foreign affairs management system based on J2EE[D].Tianjin:Nankai University,2014.
[7]翟高粤.基于J2EE技术的SSH框架的改进及应用[J].计算机时代,2012(10):24-29.ZHAI Gaoyue.Improvement and application of SSH framework based on J2EE technology[J].Computer age,2012(10):24-29.
[8]赵铁松,王晓云,李伟,等.基于B/S架构和开源Web GIS平台的气象观测站网可视化系统[J].气象科技,2013,41(1):57-61.ZHAO Tiesong,WANG Xiaoyun,LI Wei,et al.Meteorological observation station network visualization system based on B/S architecture and open source Web GIS platform[J].Meteorological science and technology,2013,41(1):57-61.
[9]林秀芬.基于SSH的招标管理系统的设计与实现[D].成都:电子科技大学,2014.LIN Xiufen.Design and implementation of the bidding management system based on SSH[D].Chengdu:University of Electronic Science and Technology of China,2014.
[10]刘培宁,韩笑.基于R语言的Net CDF文件分析和可视化应用[J].气象科技,2014,42(4):629-634.LIU Peining,HAN Xiao.Net CDF file analysis and visualization application based on R language[J].Meteorological science and technology,2014,42(4):629-634.