- o -

• OffCenterPerspectiveCameraBase : osg::OffCenterPerspectiveCamera
• operator!= : osg::Plane
• operator<< : osg::Exception , osg::IDString , osg::Date
• operator== : osg::Plane , osg::BoxVolume
• operator>> : osg::Date
• OrthographicCameraBase : osg::OrthographicCamera