针对WebGIS中网络矢量图形图像发布存在的问题,引入了GML与SVG技术,在此基础上提出并论证了基于SVG与GML的地图服务系统WebGIS的解决方案和应用模式,并详细分析了系统实现的体系结构和相关技术,着重论述了GML文档的解析、GML与SVG之间的转换方法、SVG交互功能的实现,最后给出了该系统的应用实例。 更多还原
【Abstract】 According to the problems involved in the publish of vector graphics over Internet in WebGIS,GML(Geography Markup Language) and SVG(Scalable Vector Graphics) is presented to construct a new approach and application method.This paper analyses the architecture and its corresponding key technologies of WebGIS combining GML and SVG in detail,especially the method of parsing GML document,conversion between GML and SVG and realization of SVG interactive functions.Finally,this paper provides an applica...