摘要
提出了基于KMLK(Keyhole Markup Language)开发的GIS系统的设计方案,论述了它的系统结构以及实现方法。在分析系统的结构和工作原理的基础上,实现了客户端发出请求,服务器端接收到数据请求后调用相应的存储过程将数据从数据库中提取出来并转换为XML,然后调用XSLT完成从XML到KML数据转换,最后,调用Google API将KML在客户端网页中显示出来。并通过农村新能源规划与评价系统的系统应用来展示整个系统流程,该系统应用说明基于KML开发的GIS系统的普遍性和实用性。
In this paper we present the design scheme of GIS system developed based on KML,discuss its system architecture and implementation approach.On the basis of analysing the structure and operating principle of the GIS system,sending request from the client end is implemented. After receiving the data request,the server end invokes corresponding storage procedure to extract data from backend database and convert it to XML,and then invokes XSLT to accomplish the data conversion from XLM to KML.Finally,it invokes Google API to display KML data on client-side web page.An application of the system,Rural Renewable Energy Planning and Evaluation System,is employed to demonstrate the whole process of the system,the application of the system illustrates the universality and practicality of the KML-based GIS System.
出处
《计算机应用与软件》
CSCD
2010年第10期49-51,116,共4页
Computer Applications and Software
基金
国家"十一五"科技支撑计划子课题(2006BAJ04B01-2)
