ISF::CylinderVolumeTruthStrategy Node1 ISF::CylinderVolumeTruth Strategy - m_ri - m_ro - m_regionListProperty + CylinderVolumeTruthStrategy() + ~CylinderVolumeTruthStrategy() + initialize() + finalize() + pass() + appliesToRegion() Node2 extends< AthAlgTool, ITruthStrategy > Node2->Node1