网格GIS的应用架构及关键技术

Architecture of Grid-GIS and Its Key Techniques

本文以网格计算在 GIS的应用为主线 ,分析阐述了当前网格计算在 GIS领域中的应用及其所面临的主要问题 ,结合中间件技术 ,给出了网格 GIS的应用架构 ,并列举了所需的几项关键技术。特别就当前 GIS所面临的共性问题进行了分析 ,根据软件可重用原理 ,在分析现有网格技术发展的基础上 ,指出了基于 GML语言应用 WebService技术的中间件分布式架构是 GIS软件发展的一个主要方向及解决当前 GIS领域中所存在问题的最佳方式 。

Based on the application of Grid Computing on Geographical Information System (GIS), this paper analyzes and expatiates current application of Grid Co mputing on GIS and the problem it faces With Middleware technology, it presents the architecture of Grid GIS and lists the techniques it needs After analyzing the common problem and the development of Grid GIS, this paper points out that the distributing architecture, which is based on GML internet language and Web Service technique and Middleware,is a main developing direction of current GIS software and the best way to solve the problem it faces, then we discuss its realization process