OpenSceneGraph（OSG）是一个基于工业图形标准OpenGL的高层次图形开发APl接口，一款开放源代码的、具备商业级别渲染能力的实时三维渲染引擎，在国内外均已得到广泛的应用，并且已经有越来越多的虚拟现实行业开发者加入到OSG开发的行列中来。(OpenSceneGraph (OSG) is based on a high level graphics development APl interface graphics standard OpenGL, real-time 3D rendering engine is an open source, with commercial grade rendering capabilities, have been widely used at home and abroad, and has a virtual reality industry more and more developers to join the ranks of OSG development in.)