面向移动计算平台的气象数据可视化系统关键技术  

Research on Key Technologies of Meteorological Data Visualization Application Orienting to Mobile Computing

作　　者：于连庆 胡争光 薛峰 YU Lianqing;HU Zhengguang;XUE Feng(National Meteorological Center,Beijing 100081)

机构地区：[1]国家气象中心,北京100081

出　　处：《气象科技》2022年第3期438-448,共11页Meteorological Science and Technology

基　　金：国家气象中心预报员专项(Y201931)资助。

摘　　要：移动计算时代的到来伴随着人工智能、大数据挖掘、GPU并行计算等信息技术的飞跃和Web技术规范的统一,这一发展促进了众多面向移动计算平台的气象数据可视化应用的诞生和蓬勃发展。然而移动计算设备存在计算能力较弱、图形软件库功能不齐全的缺陷,造成国内的气象应用存在着可视化方法陈旧、浏览器兼容性和性能不理想的问题。为此,本文设计并实现了基于B/S架构、面向移动计算的气象数据交互分析与显示系统WeatherApp。首先研发了二三维一体化的数字地球引擎,该引擎提供了常用的地理信息系统功能,能够在不同维度视图之间快速切换,为全新渲染方法的引入奠定了基础。其次,实现了包括流线和体绘制在内的高级三维可视化方法。本系统已应用于台风预报业务中并取得较好的应用效果。通过支持所有主流桌面和手机浏览器,WeatherApp能够让用户随时随地通过移动计算设备查看感兴趣的资料,进而提高工作效率。In the dawn of the mobile computing era,it has witnessed an exciting leap in information technologies such as artificial intelligence,big data mining,and GPU parallel computing,as well as the unification of Web standards.This progress facilitates the birth and development of a great number of meteorological data visualization applications targeting mobile computing platforms.However,thanks to underpowered computational capability and incomplete features of the graphics toolkit in mobile devices,most domestic Web applications lack innovative visualization methods,and have poor browser compatibility and performance.To deal with these problems,a B/S meteorological data interactive analysis and display Web application named WeatherApp has been developed.Two innovations are proposed.First,a unified two-and three-dimensional digital Earth engine is constructed.It not only provides commonly-used geographical information system features but also is capable of quick switching between views of different dimensions.Next,a number of advanced three-dimensional visualization methods,including vector field flowlines and volume rendering,are developed.The proposed application has been applied in typhoon forecast operations,and encouraging results are obtained.By supporting all mainstream Web browsers built for both desktop and mobile platforms,WeatherApp provides a convenient way for users to view data of interest anywhere and anytime,greatly enhancing users’productivity.

关 键 词：移动计算 气象数据 交互分析 可视化 数字地球 三维图形渲染 

分 类 号：P409[天文地球—大气科学及气象学]