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.

实现OSGEarth，读取SHP文件，展现全球地名(Implement OSGEarth, read SHP files, and display global names)