论述OpenSceneGraph的窗口与IE浏览器的嵌合,学习OSG与网页结合的好例子-OpenSceneGraph discussed with the IE browser window chimeric, learning OSG good example of integration with the Web

导入ifc文件工具源码，c++开发的OpenSceneGraph-import ifc files

OpenSceneGraph快速入门中文版，osg入门必备。-OpenSceneGraph Quick Start Guide.