摘要
近年来,随着分布对象技术和网络技术的不断发展,分布对象WebGIS已逐渐成为WebGIS开发的一个热点。在众多的分布对象技术中,CORBA以其优良的特性,在构建异构环境下的WebGIS中显示出明显优势。本文论述了使用分布对象技术构建WebGIS的必要性,并通过分析各分布对象技术的优劣,提出了基于CORBA技术的WebGIS系统。最后,结合该系统着重剖析了基于CORBA规范的分布对象WebGIS的运行框架、系统优势和开发手段。
With the recent development of distributed object technology (DOT) and network technology, distributed-object WebGIS has become a hotspot of WebGIS development. Among the numerous DOT paradigms, CORBA shows overwhelming advantages because of its excellent characteristics in developing WebGIS in heterogeneous environment. This paper firstly discusses the necessity of using DOT to implement WebGIS, and then by comparing the different DOT paradigms, the paper gaves a WebGIS system based on CORBA. At last, the distributed objects running frame, systematic advantages and developing methods of CORBA-based WebGIS were analyzed in this paper.
出处
《遥感信息》
CSCD
2003年第2期40-43,共4页
Remote Sensing Information
