基于SVG地理空间信息的发布

摘要

首先介绍了一种新兴的、开放标准的、基于XML的文本式矢量图形描述语言SVG,然后讨论了SVG对于发布地理空间数据的意义、特征和优点及其具体的文档结构,并以插件Adobe SVG Viewer为例介绍其地图的缩放、漫游、动画、查找、复制等各项功能。最后,基于SVG/XML,阐述了SVG与XML的关系以及SVG各种现行的国内外常用实现方法,初步建立了SVG在WebGIS中的应用的体系结构。%The SVG which is a language of newly arisen,opening standard and according to XML text type vector sketch describing is introduced firstly in this paper,then the meaning of SVG for releasing geographical space information and the characteristics,advantages and its text file structures of SVG are discussed.Various functions of the plug-in Adobe SVG Viewer are introduced,such as the map zoom,travels extensively,animation,check to seek,replication etc,and play to show with the example of a series.Finally,According to SVG/XML,the relation between SVG and XML and some current methods which are carrying out inside and outside in common of SVG are elaborated,and the application of SVG in the WebGIS of system structure is built up primary.