读取shp格式的世界地图，并且用OpenGL实现它的显示，结合属性文件经国家的名称一起显示。-Shp format to read the world map and display it using OpenGL implementation, combined with properties file by the name of the country with the show.

提取南京市市区地图.shp格式文件，用opengl显示二维地图(Extracted from Nanjing city map.Shp format files, using OpenGL display two-dimensional map)