Abstract: Grid-oriented data visualization shares geographically distributed data sources, analysis facilities and visualization facilities, and also supplies transparent data access capabilities. This paper develops a Web-based visualization system on the grid and the system divides into three components: Web Sheet, Web server, visualization server. The system supplies the users with Web access interface built on JSP, and the embedded VisPortal supplies grid access portal. Web server is to manipulate, dispatch, utilize grid resources, and coordinate the interaction between the user and the grid resources. It builds a visualization server based on Vis5D as a grid source, which implements visualization of 5-D grid datasets generated from the numerical weather model.

Key words: Web-based visualization, Grid, VisPortal, Visualization server

摘要： 面向网格的数据可视化共享地理分布的数据源、分析设备、可视化设备等，提供透明访问能力。基于网格开发了一个Web可视化系统，分为3层：Web页面，Web服务器，可视化服务器。通过JSP为可视化用户提供Web访问界面，内嵌的VisPortal提供网格访问门户；Web服务器通过Portal服务器管理、调度、使用网格资源，协调用户与网格资源之间的交互；基于Vis5D构建的可视化服务器作为网格资源，实现对数值天气模型产生的5-D网格数据集的可视化。

关键词: Web可视化, 网格, VisPortal, 可视化服务器