录制用户屏幕操作流程，类似于Word中的宏录制，不过这里录制的是用户的鼠标和键盘操作，支持录制，存储，打开，回放的功能。-Recording user' s screen operation process, similar to the Word, the macro recording, but here is a recording operation of the user' s mouse and keyboard to support recording, storage

一个OSG操作器教程, 通过此教程，可学会用键盘和鼠标实现摄像机的控制-the OSG operator tutorial, with this tutorial, you can learn how to use the keyboard and mouse to control camera