InDet::IPixelClusterSplitter Node1 InDet::IPixelClusterSplitter + ~IPixelClusterSplitter() + splitCluster() + splitCluster() + interfaceID() Node3 InDet::TruthPixelCluster Splitter - m_truthClusterizationFactory - m_thresholdSplittingInto TwoClusters - m_thresholdSplittingInto ThreeClusters - m_splitOnlyOnBLayer + TruthPixelClusterSplitter() + ~TruthPixelClusterSplitter() + initialize() + finalize() + splitCluster() + splitCluster() Node1->Node3 Node2 IAlgTool Node2->Node1