osgal在osg2.8下面编译好的库 放到相应的osg 目录即可,osgal at best osg2.8 compile the following libraries on the OSG directory corresponding to

OSG2.8版本源代码及开发包，附带大量示例程序，使用VS 2005以上版本可以直接编译。-OSG2.8 version of the source code and development kit