Openlayer地图开源库的高阶应用，是对beginner的补充和淬炼(Nowadays, OpenLayers is the most complete and powerful open source Javascr ipt library to create any kind of web mapping application. In addition to offering a great set of components, such as maps, layers, or con

输出地图的库文件，包括图片和PDF的文件形式(Exporting map using the Javascr ipt in the field of GIS)

用Javascr ipt和ext的库来实现在OpenLayers上诸多案例实现(Many examples are displayed in the OpenLayers using js and ext)