Linux SDL库，封装了声音、键盘、鼠标、显卡等设备。-This is the Simple DirectMedia Layer, a general API that provides low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D framebuffer across multiple platforms

一个用OPengl编写的三维地球仪源码，在linux 环境下编译。-One with a three-dimensional globe OPengl written source in linux Under the compiler environment.