It is the key technology to provide the effective information of the highway to the public through the Web Geographic Information System (WebGIS) in intelligent transportation system. Based on the system of public service GIS system , the paper introduces the characteristics of internet geographical service platform and then provides the realized methods of inquiry and shortest path of Web Geographical Information System.%通过网络地理信息系统(WebGIs)向公众提供公路出行的有效信息,是交通部门实现信息化服务的发展趋势。文章介绍了ArcIMS开发平台的功能,探讨了网络地理信息系统入机交互界面的定制,以及地点、道路和最短路径的查询等功能的实现方法与技巧,最后给出了网络服务器配置与网站发布的实现过程。
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