- o -

• object_type : osgWidget::UIObjectParent< T >
• ObjectCacheMap : osgDB::ObjectCache
• ObjectCallbackType : osgWidget::ObjectCallback< T >
• ObjectIndex : osgDB::ExternalFileWriter
• ObjectList : osg::DefaultUserDataContainer , osgDB::DatabasePager
• ObjectMap : osgDB::OutputStream
• ObjectPropertyMap : osgDB::ClassInterface
• Objects : osg::DisplaySettings
• ObjectsSet : osgDB::ExternalFileWriter
• ObjectsToDeleteList : osg::DeleteHandler
• ObjectTimeStampPair : osgDB::ObjectCache
• Observers : osg::ObserverSet
• ObsNodePath : osg::ObserverNodePath
• OccluderList : osg::CullingSet , osg::CullStack
• Operations : osg::OperationQueue
• OperationThreads : osg::OperationQueue , osgViewer::ViewerBase
• Options : osgDB::ReaderWriter
• other_value_type : osg::Matrixd , osg::Matrixf
• OverlayDataMap : osgSim::OverlayNode
• OverrideValue : osg::StateAttribute