TrigTrtHitCounts Node1 TrigTrtHitCounts + TrigTrtHitCounts() + TrigTrtHitCounts() + TrigTrtHitCounts() + ~TrigTrtHitCounts() + endcapC() + barrel() + endcapA() Node2 TrigHisto1D + TrigHisto1D() + TrigHisto1D() + TrigHisto1D() + ~TrigHisto1D() + TrigHisto1D() + TrigHisto1D() + operator=() + operator=() + fill() + sumEntries() Node2->Node1 -m_endcapC -m_barrel -m_endcapA Node3 TrigHisto # m_nbins_x # m_underflowBin_x # m_overflowBin_x # m_min_x # m_max_x # m_binSize_x + TrigHisto() + ~TrigHisto() + clear() + nbins_x() + min_x() + max_x() + contents() # findBin() Node3->Node2 Node4 std::vector< float > + elements Node4->Node3 #m_itr_end #m_contents #m_itr