CaloSpecificAlgo Class Reference

#include <RecoMET/METAlgorithms/interface/CaloSpecificAlgo.h>

Public Member Functions
reco::CaloMET	addInfo (edm::Handle< edm::View< reco::Candidate > > towers, CommonMETData met, bool noHF, double globalThreshold)

Private Types
typedef math::XYZTLorentzVector	LorentzVector
typedef math::XYZPoint	Point

Private Member Functions
void	add_MET_in_HF (SpecificCaloMETData &specific, double sumEtInpHF, double MExInpHF, double MEyInpHF, double sumEtInmHF, double MExInmHF, double MEyInmHF)
DetId	find_DetId_of_ECAL_cell_in_constituent_of (const CaloTower *calotower)
DetId	find_DetId_of_HCAL_cell_in_constituent_of (const CaloTower *calotower)
void	initializeSpecificCaloMETData (SpecificCaloMETData &specific)
void	remove_HF_from_MET (CommonMETData &met, double sumEtInpHF, double MExInpHF, double MEyInpHF, double sumEtInmHF, double MExInmHF, double MEyInmHF)
void	update_EmEtInEB_EmEtInEE (double &EmEtInEB, double &EmEtInEE, const CaloTower *calotower)
void	update_HadEtInHB_HadEtInHE_HadEtInHO_HadEtInHF_EmEtInHF (double &HadEtInHB, double &HadEtInHE, double &HadEtInHO, double &HadEtInHF, double &EmEtInHF, const CaloTower *calotower, bool noHF)
void	update_MaxTowerEm_MaxTowerHad (double &MaxTowerEm, double &MaxTowerHad, const CaloTower *calotower, bool noHF)
void	update_sumEtInpHF_MExInpHF_MEyInpHF_sumEtInmHF_MExInmHF_MEyInmHF (double &sumEtInpHF, double &MExInpHF, double &MEyInpHF, double &sumEtInmHF, double &MExInmHF, double &MEyInmHF, const CaloTower *calotower)
void	update_totalEt_totalEm (double &totalEt, double &totalEm, const CaloTower *calotower, bool noHF)

Detailed Description

Description: Adds Calorimeter specific information to MET base class

Implementation: [Notes on implementation]

Definition at line 38 of file CaloSpecificAlgo.h.

Member Typedef Documentation

typedef math::XYZTLorentzVector CaloSpecificAlgo::LorentzVector

private

Definition at line 45 of file CaloSpecificAlgo.h.

typedef math::XYZPoint CaloSpecificAlgo::Point

private

Definition at line 46 of file CaloSpecificAlgo.h.

Member Function Documentation

void CaloSpecificAlgo::add_MET_in_HF ( SpecificCaloMETData &  specific, double  sumEtInpHF, double  MExInpHF, double  MEyInpHF, double  sumEtInmHF, double  MExInmHF, double  MEyInmHF  )

private

Definition at line 207 of file CaloSpecificAlgo.cc.

References SpecificCaloMETData::CaloMETInmHF, SpecificCaloMETData::CaloMETInpHF, SpecificCaloMETData::CaloMETPhiInmHF, SpecificCaloMETData::CaloMETPhiInpHF, SpecificCaloMETData::CaloSETInmHF, SpecificCaloMETData::CaloSETInpHF, and mathSSE::sqrt().

{
  LorentzVector METpHF(MExInpHF, MEyInpHF, 0, sqrt(MExInpHF*MExInpHF + MEyInpHF*MEyInpHF));
  LorentzVector METmHF(MExInmHF, MEyInmHF, 0, sqrt(MExInmHF*MExInmHF + MEyInmHF*MEyInmHF));
  specific.CaloMETInpHF = METpHF.pt();
  specific.CaloMETInmHF = METmHF.pt();
  specific.CaloMETPhiInpHF = METpHF.Phi();
  specific.CaloMETPhiInmHF = METmHF.Phi();
  specific.CaloSETInpHF = sumEtInpHF;
  specific.CaloSETInmHF = sumEtInmHF;
}

reco::CaloMET CaloSpecificAlgo::addInfo	(	edm::Handle< edm::View< reco::Candidate > >	towers,
		CommonMETData	met,
		bool	noHF,
		double	globalThreshold
	)

Definition at line 27 of file CaloSpecificAlgo.cc.

References SpecificCaloMETData::EmEtInEB, SpecificCaloMETData::EmEtInEE, SpecificCaloMETData::EmEtInHF, CaloTower::et(), SpecificCaloMETData::EtFractionEm, SpecificCaloMETData::EtFractionHadronic, SpecificCaloMETData::HadEtInHB, SpecificCaloMETData::HadEtInHE, SpecificCaloMETData::HadEtInHF, SpecificCaloMETData::HadEtInHO, SpecificCaloMETData::MaxEtInEmTowers, SpecificCaloMETData::MaxEtInHadTowers, CommonMETData::met, CommonMETData::mex, CommonMETData::mey, p4, timingPdfMaker::specific, and CommonMETData::sumet.

Referenced by cms::METProducer::produce_CaloMET().

{ 
  SpecificCaloMETData specific;
  initializeSpecificCaloMETData(specific);

  double totalEt = 0.0; 
  double totalEm = 0.0;

  double sumEtInpHF = 0.0;
  double sumEtInmHF = 0.0;
  double MExInpHF = 0.0;
  double MEyInpHF = 0.0;
  double MExInmHF = 0.0;
  double MEyInmHF = 0.0;

  for(edm::View<Candidate>::const_iterator towerCand = towers->begin(); towerCand != towers->end(); ++towerCand ) 
    {
      const CaloTower* calotower = dynamic_cast<const CaloTower*> (&(*towerCand));
      if (!calotower) continue;
      if(calotower->et() < globalThreshold) continue;
      update_totalEt_totalEm(totalEt, totalEm, calotower, noHF);
      update_MaxTowerEm_MaxTowerHad(specific.MaxEtInEmTowers, specific.MaxEtInHadTowers, calotower, noHF);
      update_EmEtInEB_EmEtInEE(specific.EmEtInEB, specific.EmEtInEE, calotower);
      update_HadEtInHB_HadEtInHE_HadEtInHO_HadEtInHF_EmEtInHF(specific.HadEtInHB, specific.HadEtInHE, specific.HadEtInHO, specific.HadEtInHF, specific.EmEtInHF, calotower, noHF);
      update_sumEtInpHF_MExInpHF_MEyInpHF_sumEtInmHF_MExInmHF_MEyInmHF(sumEtInpHF, MExInpHF, MEyInpHF, sumEtInmHF, MExInmHF, MEyInmHF, calotower);
    }
  
  double totalHad = totalEt - totalEm;
  
  if(noHF) remove_HF_from_MET(met, sumEtInpHF, MExInpHF, MEyInpHF, sumEtInmHF, MExInmHF, MEyInmHF);

  if(!noHF) add_MET_in_HF(specific, sumEtInpHF, MExInpHF, MEyInpHF, sumEtInmHF, MExInmHF, MEyInmHF);

  specific.EtFractionHadronic = (totalEt == 0.0)? 0.0 : totalHad/totalEt;
  specific.EtFractionEm = (totalEt == 0.0)? 0.0 : totalEm/totalEt;

  const LorentzVector p4( met.mex, met.mey, 0.0, met.met);
  const Point vtx(0.0, 0.0, 0.0);
  CaloMET caloMET(specific, met.sumet, p4, vtx);
  return caloMET;
}

DetId CaloSpecificAlgo::find_DetId_of_ECAL_cell_in_constituent_of ( const CaloTower *  calotower )

private

Definition at line 236 of file CaloSpecificAlgo.cc.

References CaloTower::constituent(), CaloTower::constituentsSize(), DetId::Ecal, and run_regression::ret.

{
  DetId ret;
  for (int cell = calotower->constituentsSize() - 1; cell >= 0; --cell)
    {
      DetId id = calotower->constituent( cell );
      if( id.det() == DetId::Ecal )
    {
      ret = id;
      break;
    }
    }
  return ret;
}

DetId CaloSpecificAlgo::find_DetId_of_HCAL_cell_in_constituent_of ( const CaloTower *  calotower )

private

Definition at line 220 of file CaloSpecificAlgo.cc.

References CaloTower::constituent(), CaloTower::constituentsSize(), DetId::Hcal, and run_regression::ret.

{
  DetId ret;
  for (int cell = calotower->constituentsSize() - 1; cell >= 0; --cell)
    {
      DetId id = calotower->constituent( cell );
      if( id.det() == DetId::Hcal )
    {
      ret = id;
      break;
    }
    }
  return ret;
}

void CaloSpecificAlgo::initializeSpecificCaloMETData ( SpecificCaloMETData &  specific )

private

Definition at line 70 of file CaloSpecificAlgo.cc.

References SpecificCaloMETData::CaloMETInmHF, SpecificCaloMETData::CaloMETInpHF, SpecificCaloMETData::CaloMETPhiInmHF, SpecificCaloMETData::CaloMETPhiInpHF, SpecificCaloMETData::CaloSETInmHF, SpecificCaloMETData::CaloSETInpHF, SpecificCaloMETData::EmEtInEB, SpecificCaloMETData::EmEtInEE, SpecificCaloMETData::EmEtInHF, SpecificCaloMETData::EtFractionEm, SpecificCaloMETData::EtFractionHadronic, SpecificCaloMETData::HadEtInHB, SpecificCaloMETData::HadEtInHE, SpecificCaloMETData::HadEtInHF, SpecificCaloMETData::HadEtInHO, SpecificCaloMETData::MaxEtInEmTowers, SpecificCaloMETData::MaxEtInHadTowers, and SpecificCaloMETData::METSignificance.

{
  specific.MaxEtInEmTowers = 0.0;    // Maximum energy in EM towers
  specific.MaxEtInHadTowers = 0.0;   // Maximum energy in HCAL towers
  specific.HadEtInHO = 0.0;          // Hadronic energy fraction in HO
  specific.HadEtInHB = 0.0;          // Hadronic energy in HB
  specific.HadEtInHF = 0.0;          // Hadronic energy in HF
  specific.HadEtInHE = 0.0;          // Hadronic energy in HE
  specific.EmEtInEB = 0.0;           // Em energy in EB
  specific.EmEtInEE = 0.0;           // Em energy in EE
  specific.EmEtInHF = 0.0;           // Em energy in HF
  specific.EtFractionHadronic = 0.0; // Hadronic energy fraction
  specific.EtFractionEm = 0.0;       // Em energy fraction
  specific.METSignificance = 0.0;
  specific.CaloMETInpHF = 0.0;        // CaloMET in HF+ 
  specific.CaloMETInmHF = 0.0;        // CaloMET in HF- 
  specific.CaloSETInpHF = 0.0;        // CaloSET in HF+ 
  specific.CaloSETInmHF = 0.0;        // CaloSET in HF- 
  specific.CaloMETPhiInpHF = 0.0;     // CaloMET-phi in HF+ 
  specific.CaloMETPhiInmHF = 0.0;     // CaloMET-phi in HF- 
}

void CaloSpecificAlgo::remove_HF_from_MET ( CommonMETData &  met, double  sumEtInpHF, double  MExInpHF, double  MEyInpHF, double  sumEtInmHF, double  MExInmHF, double  MEyInmHF  )

private

Definition at line 198 of file CaloSpecificAlgo.cc.

References CommonMETData::met, CommonMETData::mex, CommonMETData::mey, mathSSE::sqrt(), and CommonMETData::sumet.

{
  met.mex -= (MExInmHF + MExInpHF);
  met.mey -= (MEyInmHF + MEyInpHF);
  met.sumet -= (sumEtInpHF + sumEtInmHF);
  met.met = sqrt(met.mex*met.mex + met.mey*met.mey);   
}

void CaloSpecificAlgo::update_EmEtInEB_EmEtInEE ( double &  EmEtInEB, double &  EmEtInEE, const CaloTower *  calotower  )

private

Definition at line 133 of file CaloSpecificAlgo.cc.

References EcalBarrel, EcalEndcap, CaloTower::emEt(), DetId::null(), and DetId::subdetId().

{
  DetId detIdEcal = find_DetId_of_ECAL_cell_in_constituent_of(calotower);
  if(detIdEcal.null()) return;

  EcalSubdetector subdet = EcalSubdetector( detIdEcal.subdetId() );
  if( subdet == EcalBarrel )
    {
      EmEtInEB += calotower->emEt(); 
    }
  else if( subdet == EcalEndcap ) 
    {
      EmEtInEE += calotower->emEt();
    }
}

void CaloSpecificAlgo::update_HadEtInHB_HadEtInHE_HadEtInHO_HadEtInHF_EmEtInHF ( double &  HadEtInHB, double &  HadEtInHE, double &  HadEtInHO, double &  HadEtInHF, double &  EmEtInHF, const CaloTower *  calotower, bool  noHF  )

private

Definition at line 150 of file CaloSpecificAlgo.cc.

References CaloTower::emEt(), CaloTower::hadEt(), HcalBarrel, HcalEndcap, HcalForward, HcalOuter, DetId::null(), CaloTower::outerEt(), and HcalDetId::subdet().

{
  DetId detIdHcal = find_DetId_of_HCAL_cell_in_constituent_of(calotower);
  if(detIdHcal.null()) return;

  HcalSubdetector subdet = HcalDetId(detIdHcal).subdet();
  if( subdet == HcalBarrel || subdet == HcalOuter )
    {
      HadEtInHB += calotower->hadEt();
      HadEtInHO += calotower->outerEt();
    }

  if( subdet == HcalEndcap )
    {
      HadEtInHE += calotower->hadEt();
    }

  if( subdet == HcalForward && !noHF)
    {
      HadEtInHF += calotower->hadEt();
      EmEtInHF += calotower->emEt();
    }
}

void CaloSpecificAlgo::update_MaxTowerEm_MaxTowerHad ( double &  MaxTowerEm, double &  MaxTowerHad, const CaloTower *  calotower, bool  noHF  )

private

Definition at line 110 of file CaloSpecificAlgo.cc.

References CaloTower::emEt(), CaloTower::hadEt(), HcalBarrel, HcalEndcap, HcalForward, HcalOuter, DetId::null(), and HcalDetId::subdet().

{
  DetId detIdHcal = find_DetId_of_HCAL_cell_in_constituent_of(calotower);
  DetId detIdEcal = find_DetId_of_ECAL_cell_in_constituent_of(calotower);

  if( !detIdHcal.null() )
    {
      HcalSubdetector subdet = HcalDetId(detIdHcal).subdet();
      if( subdet == HcalBarrel || subdet == HcalOuter || subdet == HcalEndcap || (!noHF && subdet == HcalForward))
    {
      if( calotower->hadEt() > MaxTowerHad ) MaxTowerHad = calotower->hadEt();
      if( calotower->emEt() > MaxTowerEm  ) MaxTowerEm  = calotower->emEt();
    }

    }

  if( !detIdEcal.null() )
    {
      if( calotower->emEt() > MaxTowerEm ) MaxTowerEm = calotower->emEt();
    }
}

void CaloSpecificAlgo::update_sumEtInpHF_MExInpHF_MEyInpHF_sumEtInmHF_MExInmHF_MEyInmHF ( double &  sumEtInpHF, double &  MExInpHF, double &  MEyInpHF, double &  sumEtInmHF, double &  MExInmHF, double &  MEyInmHF, const CaloTower *  calotower  )

private

Definition at line 175 of file CaloSpecificAlgo.cc.

References funct::cos(), CaloTower::et(), reco::LeafCandidate::eta(), HcalForward, DetId::null(), reco::LeafCandidate::phi(), funct::sin(), and HcalDetId::subdet().

{
  DetId detIdHcal = find_DetId_of_HCAL_cell_in_constituent_of(calotower);
  if(detIdHcal.null()) return;

  HcalSubdetector subdet = HcalDetId(detIdHcal).subdet();
  if( !(subdet == HcalForward) ) return;

  if (calotower->eta() >= 0)
    {
      sumEtInpHF += calotower->et();
      MExInpHF -= (calotower->et() * cos(calotower->phi()));
      MEyInpHF -= (calotower->et() * sin(calotower->phi()));
    }
  else
    {
      sumEtInmHF += calotower->et();
      MExInmHF -= (calotower->et() * cos(calotower->phi()));
      MEyInmHF -= (calotower->et() * sin(calotower->phi()));
    }
}

void CaloSpecificAlgo::update_totalEt_totalEm ( double &  totalEt, double &  totalEm, const CaloTower *  calotower, bool  noHF  )

private

Definition at line 93 of file CaloSpecificAlgo.cc.

References CaloTower::emEt(), CaloTower::et(), HcalForward, DetId::null(), and HcalDetId::subdet().

{
  if( noHF )
    {
      DetId detIdHcal = find_DetId_of_HCAL_cell_in_constituent_of(calotower);
      if(!detIdHcal.null()) 
    {
      HcalSubdetector subdet = HcalDetId(detIdHcal).subdet();
      if( subdet == HcalForward ) return;
    }
    }

  totalEt += calotower->et();
  totalEm += calotower->emEt();
}