Map symbol online editor has been transfered from traditional map symbol editor for Web application.With the help of RIA technology' s powerful capabilities of interaction and multi-media graphical expression,map symbol online editor based on Silverlight was studied.First the architecture of online editor was built and the map symbol data model based on Silverlight was analyzed and designed.Then the three key technologies of online editor,map symbol interactive creation and editing,symbol graphical style interactive configuration,symbol encoding and description,together with open storage tactic,were studied in detail.Finally,an experiment of map symbol online editor was built to implement the online designing,editing,storing,publishing and sharing of map symbol.%地图符号在线编辑器是传统地图符号编辑器在网络环境下的拓展,结合RIA技术在用户交互、图形表达等方面的优势,进行了地图符号在线编辑器的设计与实践,建立了地图符号在线编辑器的体系结构,分析与设计了基于Silverlight的地图符号数据模型,研究了地图符号的交互创建与编辑、符号图形属性样式交互配置、符号的编码描述与开放式存储策略3个功能模块,最后建立了地图符号在线编辑器的原型实验系统,实现了网络环境下地图符号的编辑设计与开放式共享.
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