OpenGL是一个开放的三维图形软件包，它独立于窗口系统和操作系统，以它为基础开发的应用程序可以十分方便地在各种平台间移植；OpenGL可以与Visual C++紧密接口，便于实现机械手的有关计算和图形算法，可保证算法的正确性和可靠性；OpenGL使用简便，效率高。它具有七大功能： -OpenGL is an open 3 d graphics software, independent of the window system and operating system to it as the foundation of the development of application can be very convenient in various platform between transplantation　OpenGL can and Visual C++ closely interface, easy to realize the manipulator computational and graphics algorithm, can guarantee the correctness of the algorithm and reliability　OpenGL easy operation, high efficiency. It has seven functions: