【摘要】 以河南省高速公路为工程应用背景,给出了用MapXtreme开发WebGIS的基本构架,解决了初始化地图服务器的问题,当客户端关闭后,给出了立即释放地图资源的方法,并应用Browser/Server机制开发了基于Java Applet的MapXtreme应用程序,能在客户端进行地理信息系统基本功能的操作,对实现资源共享具有一定的积极作用..更多还原

【Abstract】 The item is exploited on the basis of the highway of Henan province,and MapXtreme is used to exploit the truss of WebGIS to resolve the probleme of initializing map server,When the client is closed,the methods of releasing map resource is presented,it can release space resource engrossed at once.Finally,the application program of MapXtreme in the situation of Java Applet based on the Browser/Server mechanism is displayed,and the GIS basical operation on the Browser can be done,it has positive function to construct WebGIS and realize resource share.更多还原