OpenSceneGraph是在OpenGL基础上对其进行了封装和改进的图形开发包，采用树型结构来组织和绘制整个场景。最新版本的osg内核集成了GPU管线绘制。本例子是用osg编写的一个基本例子，将osg中的飞机模型载入到场景中显示出来。-OpenSceneGraph is based on OpenGL for its packaging and improved Graphics development kits, using a tree structure to organize and