IExtendTrackToLayerTool Node1 IExtendTrackToLayerTool + ~IExtendTrackToLayerTool() + extendTrack() Node4 ApproximateTrackToLayerTool - m_trackExtrapolationQuartic - m_trackExtrapolationQuadratic - m_trackExtrapolationLinear + ApproximateTrackToLayerTool() + extendTrack() Node1->Node4 Node5 ExtendTrackToLayerTool - m_extensionTool - m_caloLayerNames - m_caloLayers + ASG_TOOL_CLASS() + ExtendTrackToLayerTool() + initialize() + extendTrack() Node1->Node5 Node2 asg::IAsgTool + ~IAsgTool() + print() Node2->Node1 Node3 IAlgTool Node3->Node2