IHiggsTruthCategoryTool Node1 IHiggsTruthCategoryTool + ASG_TOOL_INTERFACE() + getHiggsTruthCategoryObject() Node4 HiggsTruthCategoryTool + m_rivetAnaHandler + m_higgsTemplateCrossSections - ATLAS_THREAD_SAFE - m_outHistos + HiggsTruthCategoryTool() + initialize() + finalize() + getHiggsTruthCategoryObject() Node1->Node4 Node2 asg::IAsgTool + ~IAsgTool() + print() Node2->Node1 Node3 IAlgTool Node3->Node2