EGEnergyCorrector Class Reference

#include <EGEnergyCorrector.h>

Public Member Functions
std::pair< double, double >	CorrectedEnergyWithError (const reco::Photon &p, const reco::VertexCollection &vtxcol, EcalClusterLazyTools &clustertools, const edm::EventSetup &es)
std::pair< double, double >	CorrectedEnergyWithError (const reco::GsfElectron &e, const reco::VertexCollection &vtxcol, EcalClusterLazyTools &clustertools, const edm::EventSetup &es)
std::pair< double, double >	CorrectedEnergyWithErrorV3 (const reco::Photon &p, const reco::VertexCollection &vtxcol, double rho, EcalClusterLazyTools &clustertools, const edm::EventSetup &es, bool applyRescale=false)
std::pair< double, double >	CorrectedEnergyWithErrorV3 (const reco::GsfElectron &e, const reco::VertexCollection &vtxcol, double rho, EcalClusterLazyTools &clustertools, const edm::EventSetup &es)
	EGEnergyCorrector ()
void	Initialize (const edm::EventSetup &iSetup, std::string regweights, bool weightsFromDB=false)
Bool_t	IsInitialized () const
	~EGEnergyCorrector ()

Protected Attributes
EcalClusterLocal	_ecalLocal
Bool_t	fIsInitialized
Bool_t	fOwnsForests
const GBRForest *	fReadereb
const GBRForest *	fReaderebvariance
const GBRForest *	fReaderee
const GBRForest *	fReadereevariance
Float_t *	fVals

Detailed Description

Definition at line 22 of file EGEnergyCorrector.h.

Constructor & Destructor Documentation

EGEnergyCorrector::EGEnergyCorrector

(

)

Definition at line 17 of file EGEnergyCorrector.cc.

                                     :
fReadereb(0),
fReaderebvariance(0),
fReaderee(0),
fReadereevariance(0),
fIsInitialized(kFALSE),
fOwnsForests(kFALSE),
fVals(0)
{
  // Constructor.
}

EGEnergyCorrector::~EGEnergyCorrector

(

)

Definition at line 31 of file EGEnergyCorrector.cc.

References fOwnsForests, fReadereb, fReaderebvariance, fReaderee, fReadereevariance, and fVals.

{

  if (fVals) delete [] fVals;

  if (fOwnsForests) {
    if (fReadereb) delete fReadereb;
    if (fReaderebvariance) delete fReaderebvariance;
    if (fReaderee) delete fReaderee;
    if (fReadereevariance) delete fReadereevariance;
  }

}

Member Function Documentation

std::pair< double, double > EGEnergyCorrector::CorrectedEnergyWithError	(	const reco::Photon &	p,
		const reco::VertexCollection &	vtxcol,
		EcalClusterLazyTools &	clustertools,
		const edm::EventSetup &	es
	)

Definition at line 91 of file EGEnergyCorrector.cc.

References _ecalLocal, b, reco::deltaPhi(), EcalClusterLazyTools::e2nd(), EcalClusterLazyTools::e3x3(), EcalClusterLazyTools::e5x5(), reco::Photon::e5x5(), EcalClusterLazyTools::eBottom(), EcalBarrel, EcalClusterLazyTools::eLeft(), EcalClusterLazyTools::eMax(), EcalClusterLazyTools::eRight(), EcalClusterLazyTools::eTop(), fReadereb, fReaderebvariance, fReaderee, fReadereevariance, fVals, GBRForest::GetResponse(), reco::Photon::hadronicOverEm(), edm::Ptr< T >::isNonnull(), EcalClusterLocal::localCoordsEB(), EcalClusterLazyTools::localCovariances(), create_public_lumi_plots::log, reco::Photon::r9(), matplotRender::reader, alignCSCRings::s, mathSSE::sqrt(), and reco::Photon::superCluster().

Referenced by EGEnergyAnalyzer::analyze(), and PhotonEnergyCorrector::calculate().

                                                                                                                                                                                   {

  const SuperClusterRef s = p.superCluster();
  const CaloClusterPtr b = s->seed(); //seed  basic cluster

  //highest energy basic cluster excluding seed basic cluster
  CaloClusterPtr b2;
  Double_t ebcmax = -99.;
  for (reco::CaloCluster_iterator bit = s->clustersBegin(); bit!=s->clustersEnd(); ++bit) {
    const CaloClusterPtr bc = *bit;
    if (bc->energy() > ebcmax && bc !=b) {
      b2 = bc;
      ebcmax = bc->energy();
    }
  }

  //lowest energy basic cluster excluding seed (for pileup mitigation)
  CaloClusterPtr bclast;
  Double_t ebcmin = 1e6;
  for (reco::CaloCluster_iterator bit = s->clustersBegin(); bit!=s->clustersEnd(); ++bit) {
    const CaloClusterPtr bc = *bit;
    if (bc->energy() < ebcmin && bc !=b) {
      bclast = bc;
      ebcmin = bc->energy();
    }
  }

  //2nd lowest energy basic cluster excluding seed (for pileup mitigation)
  CaloClusterPtr bclast2;
  ebcmin = 1e6;
  for (reco::CaloCluster_iterator bit = s->clustersBegin(); bit!=s->clustersEnd(); ++bit) {
    const CaloClusterPtr bc = *bit;
    if (bc->energy() < ebcmin && bc !=b && bc!=bclast) {
      bclast2 = bc;
      ebcmin = bc->energy();
    }
  }

  Bool_t isbarrel =  b->hitsAndFractions().at(0).first.subdetId()==EcalBarrel;
  Bool_t hasbc2 = b2.isNonnull() && b2->energy()>0.;
  Bool_t hasbclast = bclast.isNonnull() && bclast->energy()>0.;
  Bool_t hasbclast2 = bclast2.isNonnull() && bclast2->energy()>0.;


  if (isbarrel) {

    //basic supercluster variables
    fVals[0]  = s->rawEnergy();
    fVals[1]  = p.r9();
    fVals[2]  = s->eta();
    fVals[3]  = s->phi();
    fVals[4]  = p.e5x5()/s->rawEnergy();
    fVals[5] = p.hadronicOverEm();
    fVals[6] = s->etaWidth();
    fVals[7] = s->phiWidth();


    //seed basic cluster variables
    double bemax = clustertools.eMax(*b);
    double be2nd = clustertools.e2nd(*b);
    double betop = clustertools.eTop(*b);
    double bebottom = clustertools.eBottom(*b);
    double beleft = clustertools.eLeft(*b);
    double beright = clustertools.eRight(*b);


    fVals[8] = b->eta()-s->eta();
    fVals[9] = reco::deltaPhi(b->phi(),s->phi());
    fVals[10] = b->energy()/s->rawEnergy();
    fVals[11] = clustertools.e3x3(*b)/b->energy();
    fVals[12] = clustertools.e5x5(*b)/b->energy();
    fVals[13] = sqrt(clustertools.localCovariances(*b)[0]); //sigietaieta
    fVals[14] = sqrt(clustertools.localCovariances(*b)[2]); //sigiphiiphi
    fVals[15] = clustertools.localCovariances(*b)[1];       //sigietaiphi
    fVals[16] = bemax/b->energy();                       //crystal energy ratio gap variables
    fVals[17] = log(be2nd/bemax);
    fVals[18] = log(betop/bemax);
    fVals[19] = log(bebottom/bemax);
    fVals[20] = log(beleft/bemax);
    fVals[21] = log(beright/bemax);
    fVals[22] = (betop-bebottom)/(betop+bebottom);
    fVals[23] = (beleft-beright)/(beleft+beright);


    double bc2emax = hasbc2 ? clustertools.eMax(*b2) : 0.;
    double bc2e2nd = hasbc2 ? clustertools.e2nd(*b2) : 0.;
    double bc2etop = hasbc2 ? clustertools.eTop(*b2) : 0.;
    double bc2ebottom = hasbc2 ? clustertools.eBottom(*b2) : 0.;
    double bc2eleft = hasbc2 ? clustertools.eLeft(*b2) : 0.;
    double bc2eright = hasbc2 ? clustertools.eRight(*b2) : 0.;

    fVals[24] = hasbc2 ? (b2->eta()-s->eta()) : 0.;
    fVals[25] = hasbc2 ? reco::deltaPhi(b2->phi(),s->phi()) : 0.;
    fVals[26] = hasbc2 ? b2->energy()/s->rawEnergy() : 0.;
    fVals[27] = hasbc2 ? clustertools.e3x3(*b2)/b2->energy() : 0.;
    fVals[28] = hasbc2 ? clustertools.e5x5(*b2)/b2->energy() : 0.;
    fVals[29] = hasbc2 ? sqrt(clustertools.localCovariances(*b2)[0]) : 0.;
    fVals[30] = hasbc2 ? sqrt(clustertools.localCovariances(*b2)[2]) : 0.;
    fVals[31] = hasbc2 ? clustertools.localCovariances(*b)[1] : 0.;
    fVals[32] = hasbc2 ? bc2emax/b2->energy() : 0.;
    fVals[33] = hasbc2 ? log(bc2e2nd/bc2emax) : 0.;
    fVals[34] = hasbc2 ? log(bc2etop/bc2emax) : 0.;
    fVals[35] = hasbc2 ? log(bc2ebottom/bc2emax) : 0.;
    fVals[36] = hasbc2 ? log(bc2eleft/bc2emax) : 0.;
    fVals[37] = hasbc2 ? log(bc2eright/bc2emax) : 0.;
    fVals[38] = hasbc2 ? (bc2etop-bc2ebottom)/(bc2etop+bc2ebottom) : 0.;
    fVals[39] = hasbc2 ? (bc2eleft-bc2eright)/(bc2eleft+bc2eright) : 0.;

    fVals[40] = hasbclast ? (bclast->eta()-s->eta()) : 0.;
    fVals[41] = hasbclast ? reco::deltaPhi(bclast->phi(),s->phi()) : 0.;
    fVals[42] = hasbclast ? bclast->energy()/s->rawEnergy() : 0.;
    fVals[43] = hasbclast ? clustertools.e3x3(*bclast)/bclast->energy() : 0.;
    fVals[44] = hasbclast ? clustertools.e5x5(*bclast)/bclast->energy() : 0.;
    fVals[45] = hasbclast ? sqrt(clustertools.localCovariances(*bclast)[0]) : 0.;
    fVals[46] = hasbclast ? sqrt(clustertools.localCovariances(*bclast)[2]) : 0.;
    fVals[47] = hasbclast ? clustertools.localCovariances(*bclast)[1] : 0.;

    fVals[48] = hasbclast2 ? (bclast2->eta()-s->eta()) : 0.;
    fVals[49] = hasbclast2 ? reco::deltaPhi(bclast2->phi(),s->phi()) : 0.;
    fVals[50] = hasbclast2 ? bclast2->energy()/s->rawEnergy() : 0.;
    fVals[51] = hasbclast2 ? clustertools.e3x3(*bclast2)/bclast2->energy() : 0.;
    fVals[52] = hasbclast2 ? clustertools.e5x5(*bclast2)/bclast2->energy() : 0.;
    fVals[53] = hasbclast2 ? sqrt(clustertools.localCovariances(*bclast2)[0]) : 0.;
    fVals[54] = hasbclast2 ? sqrt(clustertools.localCovariances(*bclast2)[2]) : 0.;
    fVals[55] = hasbclast2 ? clustertools.localCovariances(*bclast2)[1] : 0.;


    //local coordinates and crystal indices


    //seed cluster
    float betacry, bphicry, bthetatilt, bphitilt;
    int bieta, biphi;
    _ecalLocal.localCoordsEB(*b,es,betacry,bphicry,bieta,biphi,bthetatilt,bphitilt);

    fVals[56] = bieta; //crystal ieta
    fVals[57] = biphi; //crystal iphi
    fVals[58] = bieta%5; //submodule boundary eta symmetry
    fVals[59] = biphi%2; //submodule boundary phi symmetry
    fVals[60] = (TMath::Abs(bieta)<=25)*(bieta%25) + (TMath::Abs(bieta)>25)*((bieta-25*TMath::Abs(bieta)/bieta)%20);  //module boundary eta approximate symmetry
    fVals[61] = biphi%20; //module boundary phi symmetry
    fVals[62] = betacry; //local coordinates with respect to closest crystal center at nominal shower depth
    fVals[63] = bphicry;


    //2nd cluster (meaningful gap corrections for converted photons)
    float bc2etacry, bc2phicry, bc2thetatilt, bc2phitilt;
    int bc2ieta, bc2iphi;
    if (hasbc2) _ecalLocal.localCoordsEB(*b2,es,bc2etacry,bc2phicry,bc2ieta,bc2iphi,bc2thetatilt,bc2phitilt);

    fVals[64] = hasbc2 ? bc2ieta : 0.;
    fVals[65] = hasbc2 ? bc2iphi : 0.;
    fVals[66] = hasbc2 ? bc2ieta%5 : 0.;
    fVals[67] = hasbc2 ? bc2iphi%2 : 0.;
    fVals[68] = hasbc2 ? (TMath::Abs(bc2ieta)<=25)*(bc2ieta%25) + (TMath::Abs(bc2ieta)>25)*((bc2ieta-25*TMath::Abs(bc2ieta)/bc2ieta)%20) : 0.;
    fVals[69] = hasbc2 ? bc2iphi%20 : 0.;
    fVals[70] = hasbc2 ? bc2etacry : 0.;
    fVals[71] = hasbc2 ? bc2phicry : 0.;

    fVals[72] = vtxcol.size();

  }
  else {
    fVals[0]  = s->rawEnergy();
    fVals[1]  = p.r9();
    fVals[2]  = s->eta();
    fVals[3]  = s->phi();
    fVals[4]  = p.e5x5()/s->rawEnergy();
    fVals[5] = s->etaWidth();
    fVals[6] = s->phiWidth();
    fVals[7] = vtxcol.size();
  }


  const Double_t varscale = 1.253;
  Double_t den;
  const GBRForest *reader;
  const GBRForest *readervar;
  if (isbarrel) {
    den = s->rawEnergy();
    reader = fReadereb;
    readervar = fReaderebvariance;
  }
  else {
    den = s->rawEnergy() + s->preshowerEnergy();
    reader = fReaderee;
    readervar = fReadereevariance;
  }

  Double_t ecor = reader->GetResponse(fVals)*den;
  Double_t ecorerr = readervar->GetResponse(fVals)*den*varscale;

  //printf("ecor = %5f, ecorerr = %5f\n",ecor,ecorerr);

  return std::pair<double,double>(ecor,ecorerr);
}

std::pair< double, double > EGEnergyCorrector::CorrectedEnergyWithError	(	const reco::GsfElectron &	e,
		const reco::VertexCollection &	vtxcol,
		EcalClusterLazyTools &	clustertools,
		const edm::EventSetup &	es
	)

Definition at line 290 of file EGEnergyCorrector.cc.

References _ecalLocal, b, reco::deltaPhi(), EcalClusterLazyTools::e2nd(), EcalClusterLazyTools::e3x3(), EcalClusterLazyTools::e5x5(), EcalClusterLazyTools::eBottom(), EcalBarrel, reco::GsfElectron::ecalDrivenSeed(), EcalClusterLazyTools::eLeft(), EcalClusterLazyTools::eMax(), EcalClusterLazyTools::eRight(), EcalClusterLazyTools::eTop(), fReadereb, fReaderebvariance, fReaderee, fReadereevariance, fVals, GBRForest::GetResponse(), reco::GsfElectron::hcalOverEcal(), edm::Ptr< T >::isNonnull(), EcalClusterLocal::localCoordsEB(), EcalClusterLazyTools::localCovariances(), create_public_lumi_plots::log, matplotRender::reader, alignCSCRings::s, mathSSE::sqrt(), and reco::GsfElectron::superCluster().

                                                                                                                                                                                        {

  //apply v2 regression to electrons
  //mostly duplicated from photon function above //TODO, make common underlying function

  //protection, this doesn't work properly on non-egamma-seeded electrons
  if (!e.ecalDrivenSeed()) return std::pair<double,double>(0.,0.);


  const SuperClusterRef s = e.superCluster();
  const CaloClusterPtr b = s->seed();

  CaloClusterPtr b2;
  Double_t ebcmax = -99.;
  for (reco::CaloCluster_iterator bit = s->clustersBegin(); bit!=s->clustersEnd(); ++bit) {
    const CaloClusterPtr bc = *bit;
    if (bc->energy() > ebcmax && bc !=b) {
      b2 = bc;
      ebcmax = bc->energy();
    }
  }

  CaloClusterPtr bclast;
  Double_t ebcmin = 1e6;
  for (reco::CaloCluster_iterator bit = s->clustersBegin(); bit!=s->clustersEnd(); ++bit) {
    const CaloClusterPtr bc = *bit;
    if (bc->energy() < ebcmin && bc !=b) {
      bclast = bc;
      ebcmin = bc->energy();
    }
  }

  CaloClusterPtr bclast2;
  ebcmin = 1e6;
  for (reco::CaloCluster_iterator bit = s->clustersBegin(); bit!=s->clustersEnd(); ++bit) {
    const CaloClusterPtr bc = *bit;
    if (bc->energy() < ebcmin && bc !=b && bc!=bclast) {
      bclast2 = bc;
      ebcmin = bc->energy();
    }
  }

  Bool_t isbarrel =  b->hitsAndFractions().at(0).first.subdetId()==EcalBarrel;
  Bool_t hasbc2 = b2.isNonnull() && b2->energy()>0.;
  Bool_t hasbclast = bclast.isNonnull() && bclast->energy()>0.;
  Bool_t hasbclast2 = bclast2.isNonnull() && bclast2->energy()>0.;


  if (isbarrel) {
    fVals[0]  = s->rawEnergy();
    fVals[1]  = clustertools.e3x3(*b)/s->rawEnergy(); //r9
    fVals[2]  = s->eta();
    fVals[3]  = s->phi();
    fVals[4]  = clustertools.e5x5(*b)/s->rawEnergy();
    fVals[5] = e.hcalOverEcal();
    fVals[6] = s->etaWidth();
    fVals[7] = s->phiWidth();


    double bemax = clustertools.eMax(*b);
    double be2nd = clustertools.e2nd(*b);
    double betop = clustertools.eTop(*b);
    double bebottom = clustertools.eBottom(*b);
    double beleft = clustertools.eLeft(*b);
    double beright = clustertools.eRight(*b);


    fVals[8] = b->eta()-s->eta();
    fVals[9] = reco::deltaPhi(b->phi(),s->phi());
    fVals[10] = b->energy()/s->rawEnergy();
    fVals[11] = clustertools.e3x3(*b)/b->energy();
    fVals[12] = clustertools.e5x5(*b)/b->energy();
    fVals[13] = sqrt(clustertools.localCovariances(*b)[0]);
    fVals[14] = sqrt(clustertools.localCovariances(*b)[2]);
    fVals[15] = clustertools.localCovariances(*b)[1];
    fVals[16] = bemax/b->energy();
    fVals[17] = log(be2nd/bemax);
    fVals[18] = log(betop/bemax);
    fVals[19] = log(bebottom/bemax);
    fVals[20] = log(beleft/bemax);
    fVals[21] = log(beright/bemax);
    fVals[22] = (betop-bebottom)/(betop+bebottom);
    fVals[23] = (beleft-beright)/(beleft+beright);


    double bc2emax = hasbc2 ? clustertools.eMax(*b2) : 0.;
    double bc2e2nd = hasbc2 ? clustertools.e2nd(*b2) : 0.;
    double bc2etop = hasbc2 ? clustertools.eTop(*b2) : 0.;
    double bc2ebottom = hasbc2 ? clustertools.eBottom(*b2) : 0.;
    double bc2eleft = hasbc2 ? clustertools.eLeft(*b2) : 0.;
    double bc2eright = hasbc2 ? clustertools.eRight(*b2) : 0.;

    fVals[24] = hasbc2 ? (b2->eta()-s->eta()) : 0.;
    fVals[25] = hasbc2 ? reco::deltaPhi(b2->phi(),s->phi()) : 0.;
    fVals[26] = hasbc2 ? b2->energy()/s->rawEnergy() : 0.;
    fVals[27] = hasbc2 ? clustertools.e3x3(*b2)/b2->energy() : 0.;
    fVals[28] = hasbc2 ? clustertools.e5x5(*b2)/b2->energy() : 0.;
    fVals[29] = hasbc2 ? sqrt(clustertools.localCovariances(*b2)[0]) : 0.;
    fVals[30] = hasbc2 ? sqrt(clustertools.localCovariances(*b2)[2]) : 0.;
    fVals[31] = hasbc2 ? clustertools.localCovariances(*b)[1] : 0.;
    fVals[32] = hasbc2 ? bc2emax/b2->energy() : 0.;
    fVals[33] = hasbc2 ? log(bc2e2nd/bc2emax) : 0.;
    fVals[34] = hasbc2 ? log(bc2etop/bc2emax) : 0.;
    fVals[35] = hasbc2 ? log(bc2ebottom/bc2emax) : 0.;
    fVals[36] = hasbc2 ? log(bc2eleft/bc2emax) : 0.;
    fVals[37] = hasbc2 ? log(bc2eright/bc2emax) : 0.;
    fVals[38] = hasbc2 ? (bc2etop-bc2ebottom)/(bc2etop+bc2ebottom) : 0.;
    fVals[39] = hasbc2 ? (bc2eleft-bc2eright)/(bc2eleft+bc2eright) : 0.;

    fVals[40] = hasbclast ? (bclast->eta()-s->eta()) : 0.;
    fVals[41] = hasbclast ? reco::deltaPhi(bclast->phi(),s->phi()) : 0.;
    fVals[42] = hasbclast ? bclast->energy()/s->rawEnergy() : 0.;
    fVals[43] = hasbclast ? clustertools.e3x3(*bclast)/bclast->energy() : 0.;
    fVals[44] = hasbclast ? clustertools.e5x5(*bclast)/bclast->energy() : 0.;
    fVals[45] = hasbclast ? sqrt(clustertools.localCovariances(*bclast)[0]) : 0.;
    fVals[46] = hasbclast ? sqrt(clustertools.localCovariances(*bclast)[2]) : 0.;
    fVals[47] = hasbclast ? clustertools.localCovariances(*bclast)[1] : 0.;

    fVals[48] = hasbclast2 ? (bclast2->eta()-s->eta()) : 0.;
    fVals[49] = hasbclast2 ? reco::deltaPhi(bclast2->phi(),s->phi()) : 0.;
    fVals[50] = hasbclast2 ? bclast2->energy()/s->rawEnergy() : 0.;
    fVals[51] = hasbclast2 ? clustertools.e3x3(*bclast2)/bclast2->energy() : 0.;
    fVals[52] = hasbclast2 ? clustertools.e5x5(*bclast2)/bclast2->energy() : 0.;
    fVals[53] = hasbclast2 ? sqrt(clustertools.localCovariances(*bclast2)[0]) : 0.;
    fVals[54] = hasbclast2 ? sqrt(clustertools.localCovariances(*bclast2)[2]) : 0.;
    fVals[55] = hasbclast2 ? clustertools.localCovariances(*bclast2)[1] : 0.;


    float betacry, bphicry, bthetatilt, bphitilt;
    int bieta, biphi;
    _ecalLocal.localCoordsEB(*b,es,betacry,bphicry,bieta,biphi,bthetatilt,bphitilt);

    fVals[56] = bieta;
    fVals[57] = biphi;
    fVals[58] = bieta%5;
    fVals[59] = biphi%2;
    fVals[60] = (TMath::Abs(bieta)<=25)*(bieta%25) + (TMath::Abs(bieta)>25)*((bieta-25*TMath::Abs(bieta)/bieta)%20);
    fVals[61] = biphi%20;
    fVals[62] = betacry;
    fVals[63] = bphicry;

    float bc2etacry, bc2phicry, bc2thetatilt, bc2phitilt;
    int bc2ieta, bc2iphi;
    if (hasbc2) _ecalLocal.localCoordsEB(*b2,es,bc2etacry,bc2phicry,bc2ieta,bc2iphi,bc2thetatilt,bc2phitilt);

    fVals[64] = hasbc2 ? bc2ieta : 0.;
    fVals[65] = hasbc2 ? bc2iphi : 0.;
    fVals[66] = hasbc2 ? bc2ieta%5 : 0.;
    fVals[67] = hasbc2 ? bc2iphi%2 : 0.;
    fVals[68] = hasbc2 ? (TMath::Abs(bc2ieta)<=25)*(bc2ieta%25) + (TMath::Abs(bc2ieta)>25)*((bc2ieta-25*TMath::Abs(bc2ieta)/bc2ieta)%20) : 0.;
    fVals[69] = hasbc2 ? bc2iphi%20 : 0.;
    fVals[70] = hasbc2 ? bc2etacry : 0.;
    fVals[71] = hasbc2 ? bc2phicry : 0.;

    fVals[72] = vtxcol.size();

  }
  else {
    fVals[0]  = s->rawEnergy();
    fVals[1]  = clustertools.e3x3(*b)/s->rawEnergy(); //r9
    fVals[2]  = s->eta();
    fVals[3]  = s->phi();
    fVals[4]  = clustertools.e5x5(*b)/s->rawEnergy();
    fVals[5] = s->etaWidth();
    fVals[6] = s->phiWidth();
    fVals[7] = vtxcol.size();
  }


  const Double_t varscale = 1.253;
  Double_t den;
  const GBRForest *reader;
  const GBRForest *readervar;
  if (isbarrel) {
    den = s->rawEnergy();
    reader = fReadereb;
    readervar = fReaderebvariance;
  }
  else {
    den = s->rawEnergy() + s->preshowerEnergy();
    reader = fReaderee;
    readervar = fReadereevariance;
  }

  Double_t ecor = reader->GetResponse(fVals)*den;
  Double_t ecorerr = readervar->GetResponse(fVals)*den*varscale;

  //printf("ecor = %5f, ecorerr = %5f\n",ecor,ecorerr);

  return std::pair<double,double>(ecor,ecorerr);

}

std::pair< double, double > EGEnergyCorrector::CorrectedEnergyWithErrorV3	(	const reco::Photon &	p,
		const reco::VertexCollection &	vtxcol,
		double	rho,
		EcalClusterLazyTools &	clustertools,
		const edm::EventSetup &	es,
		bool	applyRescale = false
	)

Definition at line 484 of file EGEnergyCorrector.cc.

References _ecalLocal, b, reco::deltaPhi(), EcalClusterLazyTools::e2nd(), EcalClusterLazyTools::e2x5Bottom(), EcalClusterLazyTools::e2x5Left(), EcalClusterLazyTools::e2x5Max(), EcalClusterLazyTools::e2x5Right(), EcalClusterLazyTools::e2x5Top(), EcalClusterLazyTools::e3x3(), EcalClusterLazyTools::e5x5(), reco::Photon::e5x5(), EcalClusterLazyTools::eBottom(), EcalBarrel, EcalClusterLazyTools::eLeft(), EcalClusterLazyTools::eMax(), EcalClusterLazyTools::eRight(), EcalClusterLazyTools::eTop(), fReadereb, fReaderebvariance, fReaderee, fReadereevariance, fVals, GBRForest::GetResponse(), reco::Photon::hadTowOverEm(), EcalClusterLocal::localCoordsEB(), EcalClusterLazyTools::localCovariances(), siStripFEDMonitor_P5_cff::Min, reco::Photon::r9(), matplotRender::reader, rho, alignCSCRings::s, mathSSE::sqrt(), and reco::Photon::superCluster().

                                                                                                                                                                                                                    {

  const SuperClusterRef s = p.superCluster();
  const CaloClusterPtr b = s->seed(); //seed  basic cluster

  Bool_t isbarrel =  b->hitsAndFractions().at(0).first.subdetId()==EcalBarrel;

  //basic supercluster variables
  fVals[0]  = s->rawEnergy();
  fVals[1]  = s->eta();
  fVals[2]  = s->phi();
  fVals[3]  = p.r9();
  fVals[4]  = p.e5x5()/s->rawEnergy();
  fVals[5] = s->etaWidth();
  fVals[6] = s->phiWidth();
  fVals[7] = s->clustersSize();
  fVals[8] = p.hadTowOverEm();
  fVals[9] = rho;
  fVals[10] = vtxcol.size();

  //seed basic cluster variables
  double bemax = clustertools.eMax(*b);
  double be2nd = clustertools.e2nd(*b);
  double betop = clustertools.eTop(*b);
  double bebottom = clustertools.eBottom(*b);
  double beleft = clustertools.eLeft(*b);
  double beright = clustertools.eRight(*b);

  double be2x5max = clustertools.e2x5Max(*b);
  double be2x5top = clustertools.e2x5Top(*b);
  double be2x5bottom = clustertools.e2x5Bottom(*b);
  double be2x5left = clustertools.e2x5Left(*b);
  double be2x5right = clustertools.e2x5Right(*b);

  fVals[11] = b->eta()-s->eta();
  fVals[12] = reco::deltaPhi(b->phi(),s->phi());
  fVals[13] = b->energy()/s->rawEnergy();
  fVals[14] = clustertools.e3x3(*b)/b->energy();
  fVals[15] = clustertools.e5x5(*b)/b->energy();
  fVals[16] = sqrt(clustertools.localCovariances(*b)[0]); //sigietaieta
  fVals[17] = sqrt(clustertools.localCovariances(*b)[2]); //sigiphiiphi
  fVals[18] = clustertools.localCovariances(*b)[1];       //sigietaiphi
  fVals[19] = bemax/b->energy();                       //crystal energy ratio gap variables
  fVals[20] = be2nd/b->energy();
  fVals[21] = betop/b->energy();
  fVals[22] = bebottom/b->energy();
  fVals[23] = beleft/b->energy();
  fVals[24] = beright/b->energy();
  fVals[25] = be2x5max/b->energy();                       //crystal energy ratio gap variables
  fVals[26] = be2x5top/b->energy();
  fVals[27] = be2x5bottom/b->energy();
  fVals[28] = be2x5left/b->energy();
  fVals[29] = be2x5right/b->energy();

  if (isbarrel) {
    //local coordinates and crystal indices (barrel only)

    //seed cluster
    float betacry, bphicry, bthetatilt, bphitilt;
    int bieta, biphi;
    _ecalLocal.localCoordsEB(*b,es,betacry,bphicry,bieta,biphi,bthetatilt,bphitilt);

    fVals[30] = bieta; //crystal ieta
    fVals[31] = biphi; //crystal iphi
    fVals[32] = bieta%5; //submodule boundary eta symmetry
    fVals[33] = biphi%2; //submodule boundary phi symmetry
    fVals[34] = (TMath::Abs(bieta)<=25)*(bieta%25) + (TMath::Abs(bieta)>25)*((bieta-25*TMath::Abs(bieta)/bieta)%20);  //module boundary eta approximate symmetry
    fVals[35] = biphi%20; //module boundary phi symmetry
    fVals[36] = betacry; //local coordinates with respect to closest crystal center at nominal shower depth
    fVals[37] = bphicry;

  }
  else {
    //preshower energy ratio (endcap only)
    fVals[30]  = s->preshowerEnergy()/s->rawEnergy();
  }

//   if (isbarrel) {
//     for (int i=0; i<38; ++i) printf("%i: %5f\n",i,fVals[i]);
//   }
//   else for (int i=0; i<31; ++i) printf("%i: %5f\n",i,fVals[i]);

  Double_t den;
  const GBRForest *reader;
  const GBRForest *readervar;
  if (isbarrel) {
    den = s->rawEnergy();
    reader = fReadereb;
    readervar = fReaderebvariance;
  }
  else {
    den = s->rawEnergy() + s->preshowerEnergy();
    reader = fReaderee;
    readervar = fReadereevariance;
  }

  Double_t ecor = reader->GetResponse(fVals)*den;


  //apply shower shape rescaling - for Monte Carlo only, and only for calculation of energy uncertainty
  if (applyRescale) {
    if (isbarrel) {
      fVals[3] = 1.0045*p.r9() +0.001; //r9
      fVals[5] = 1.04302*s->etaWidth() - 0.000618; //etawidth
      fVals[6] = 1.00002*s->phiWidth() - 0.000371;  //phiwidth
      fVals[14] = fVals[3]*s->rawEnergy()/b->energy();  //compute consistent e3x3/eseed after r9 rescaling
      if (fVals[15]<=1.0)  // rescale e5x5/eseed only if value is <=1.0, don't allow scaled values to exceed 1.0
        fVals[15] = TMath::Min(1.0,1.0022*p.e5x5()/b->energy());

      fVals[4] = fVals[15]*b->energy()/s->rawEnergy(); // compute consistent e5x5()/rawEnergy() after e5x5/eseed resacling

      fVals[16] = 0.891832*sqrt(clustertools.localCovariances(*b)[0]) + 0.0009133; //sigietaieta
      fVals[17] = 0.993*sqrt(clustertools.localCovariances(*b)[2]); //sigiphiiphi

      fVals[19] = 1.012*bemax/b->energy();                       //crystal energy ratio gap variables
      fVals[20] = 1.0*be2nd/b->energy();
      fVals[21] = 0.94*betop/b->energy();
      fVals[22] = 0.94*bebottom/b->energy();
      fVals[23] = 0.94*beleft/b->energy();
      fVals[24] = 0.94*beright/b->energy();
      fVals[25] = 1.006*be2x5max/b->energy();                       //crystal energy ratio gap variables
      fVals[26] = 1.09*be2x5top/b->energy();
      fVals[27] = 1.09*be2x5bottom/b->energy();
      fVals[28] = 1.09*be2x5left/b->energy();
      fVals[29] = 1.09*be2x5right/b->energy();

    }
    else {
      fVals[3] = 1.0086*p.r9() -0.0007;           //r9
      fVals[4] = TMath::Min(1.0,1.0022*p.e5x5()/s->rawEnergy());  //e5x5/rawenergy
      fVals[5] = 0.903254*s->etaWidth() +0.001346;  //etawidth
      fVals[6] = 0.99992*s->phiWidth() +  4.8e-07;   //phiwidth
      fVals[13] = TMath::Min(1.0,1.0022*b->energy()/s->rawEnergy());  //eseed/rawenergy (practically equivalent to e5x5)


      fVals[14] = fVals[3]*s->rawEnergy()/b->energy(); //compute consistent e3x3/eseed after r9 rescaling

      fVals[16] = 0.9947*sqrt(clustertools.localCovariances(*b)[0]) + 0.00003; //sigietaieta

      fVals[19] = 1.005*bemax/b->energy();                       //crystal energy ratio gap variables
      fVals[20] = 1.02*be2nd/b->energy();
      fVals[21] = 0.96*betop/b->energy();
      fVals[22] = 0.96*bebottom/b->energy();
      fVals[23] = 0.96*beleft/b->energy();
      fVals[24] = 0.96*beright/b->energy();
      fVals[25] = 1.0075*be2x5max/b->energy();                       //crystal energy ratio gap variables
      fVals[26] = 1.13*be2x5top/b->energy();
      fVals[27] = 1.13*be2x5bottom/b->energy();
      fVals[28] = 1.13*be2x5left/b->energy();
      fVals[29] = 1.13*be2x5right/b->energy();
    }

  }

  Double_t ecorerr = readervar->GetResponse(fVals)*den;

  //printf("ecor = %5f, ecorerr = %5f\n",ecor,ecorerr);

  return std::pair<double,double>(ecor,ecorerr);
}

std::pair< double, double > EGEnergyCorrector::CorrectedEnergyWithErrorV3	(	const reco::GsfElectron &	e,
		const reco::VertexCollection &	vtxcol,
		double	rho,
		EcalClusterLazyTools &	clustertools,
		const edm::EventSetup &	es
	)

Definition at line 646 of file EGEnergyCorrector.cc.

References _ecalLocal, b, reco::deltaPhi(), EcalClusterLazyTools::e2nd(), EcalClusterLazyTools::e2x5Bottom(), EcalClusterLazyTools::e2x5Left(), EcalClusterLazyTools::e2x5Max(), EcalClusterLazyTools::e2x5Right(), EcalClusterLazyTools::e2x5Top(), EcalClusterLazyTools::e3x3(), EcalClusterLazyTools::e5x5(), EcalClusterLazyTools::eBottom(), EcalBarrel, EcalClusterLazyTools::eLeft(), EcalClusterLazyTools::eMax(), EcalClusterLazyTools::eRight(), EcalClusterLazyTools::eTop(), fReadereb, fReaderebvariance, fReaderee, fReadereevariance, fVals, GBRForest::GetResponse(), reco::GsfElectron::hcalOverEcalBc(), EcalClusterLocal::localCoordsEB(), EcalClusterLazyTools::localCovariances(), matplotRender::reader, rho, alignCSCRings::s, mathSSE::sqrt(), and reco::GsfElectron::superCluster().

                                                                                                                                                                                                      {

  const SuperClusterRef s = e.superCluster();
  const CaloClusterPtr b = s->seed(); //seed  basic cluster

  Bool_t isbarrel =  b->hitsAndFractions().at(0).first.subdetId()==EcalBarrel;

  //basic supercluster variables
  fVals[0]  = s->rawEnergy();
  fVals[1]  = s->eta();
  fVals[2]  = s->phi();
  fVals[3]  = clustertools.e3x3(*b)/s->rawEnergy(); //r9
  fVals[4]  = clustertools.e5x5(*b)/s->rawEnergy();
  fVals[5] = s->etaWidth();
  fVals[6] = s->phiWidth();
  fVals[7] = s->clustersSize();
  fVals[8] = e.hcalOverEcalBc();
  fVals[9] = rho;
  fVals[10] = vtxcol.size();

  //seed basic cluster variables
  double bemax = clustertools.eMax(*b);
  double be2nd = clustertools.e2nd(*b);
  double betop = clustertools.eTop(*b);
  double bebottom = clustertools.eBottom(*b);
  double beleft = clustertools.eLeft(*b);
  double beright = clustertools.eRight(*b);

  double be2x5max = clustertools.e2x5Max(*b);
  double be2x5top = clustertools.e2x5Top(*b);
  double be2x5bottom = clustertools.e2x5Bottom(*b);
  double be2x5left = clustertools.e2x5Left(*b);
  double be2x5right = clustertools.e2x5Right(*b);

  fVals[11] = b->eta()-s->eta();
  fVals[12] = reco::deltaPhi(b->phi(),s->phi());
  fVals[13] = b->energy()/s->rawEnergy();
  fVals[14] = clustertools.e3x3(*b)/b->energy();
  fVals[15] = clustertools.e5x5(*b)/b->energy();
  fVals[16] = sqrt(clustertools.localCovariances(*b)[0]); //sigietaieta
  fVals[17] = sqrt(clustertools.localCovariances(*b)[2]); //sigiphiiphi
  fVals[18] = clustertools.localCovariances(*b)[1];       //sigietaiphi
  fVals[19] = bemax/b->energy();                       //crystal energy ratio gap variables
  fVals[20] = be2nd/b->energy();
  fVals[21] = betop/b->energy();
  fVals[22] = bebottom/b->energy();
  fVals[23] = beleft/b->energy();
  fVals[24] = beright/b->energy();
  fVals[25] = be2x5max/b->energy();                       //crystal energy ratio gap variables
  fVals[26] = be2x5top/b->energy();
  fVals[27] = be2x5bottom/b->energy();
  fVals[28] = be2x5left/b->energy();
  fVals[29] = be2x5right/b->energy();

  if (isbarrel) {
    //local coordinates and crystal indices (barrel only)

    //seed cluster
    float betacry, bphicry, bthetatilt, bphitilt;
    int bieta, biphi;
    _ecalLocal.localCoordsEB(*b,es,betacry,bphicry,bieta,biphi,bthetatilt,bphitilt);

    fVals[30] = bieta; //crystal ieta
    fVals[31] = biphi; //crystal iphi
    fVals[32] = bieta%5; //submodule boundary eta symmetry
    fVals[33] = biphi%2; //submodule boundary phi symmetry
    fVals[34] = (TMath::Abs(bieta)<=25)*(bieta%25) + (TMath::Abs(bieta)>25)*((bieta-25*TMath::Abs(bieta)/bieta)%20);  //module boundary eta approximate symmetry
    fVals[35] = biphi%20; //module boundary phi symmetry
    fVals[36] = betacry; //local coordinates with respect to closest crystal center at nominal shower depth
    fVals[37] = bphicry;

  }
  else {
    //preshower energy ratio (endcap only)
    fVals[30]  = s->preshowerEnergy()/s->rawEnergy();
  }

  Double_t den;
  const GBRForest *reader;
  const GBRForest *readervar;
  if (isbarrel) {
    den = s->rawEnergy();
    reader = fReadereb;
    readervar = fReaderebvariance;
  }
  else {
    den = s->rawEnergy() + s->preshowerEnergy();
    reader = fReaderee;
    readervar = fReadereevariance;
  }

  Double_t ecor = reader->GetResponse(fVals)*den;
  Double_t ecorerr = readervar->GetResponse(fVals)*den;

  //printf("ecor = %5f, ecorerr = %5f\n",ecor,ecorerr);

  return std::pair<double,double>(ecor,ecorerr);
}

void EGEnergyCorrector::Initialize	(	const edm::EventSetup &	iSetup,
		std::string	regweights,
		bool	weightsFromDB = false
	)

Definition at line 46 of file EGEnergyCorrector.cc.

References fIsInitialized, fOwnsForests, fReadereb, fReaderebvariance, fReaderee, fReadereevariance, fVals, edm::EventSetup::get(), edm::ESHandle< class >::product(), and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by EGEnergyAnalyzer::analyze(), and PhotonEnergyCorrector::init().

                                                                                                        {
    fIsInitialized = kTRUE;

    if (fVals) delete [] fVals;
    if (fOwnsForests) {
      if (fReadereb) delete fReadereb;
      if (fReaderebvariance) delete fReaderebvariance;
      if (fReaderee) delete fReaderee;
      if (fReadereevariance) delete fReadereevariance;
    }

    fVals = new Float_t[73];

    if (weightsFromDB) { //weights from event setup

      edm::ESHandle<GBRForest> readereb;
      edm::ESHandle<GBRForest> readerebvar;
      edm::ESHandle<GBRForest> readeree;
      edm::ESHandle<GBRForest> readereevar;

      iSetup.get<GBRWrapperRcd>().get(std::string(TString::Format("%s_EBCorrection",regweights.c_str())),readereb);
      iSetup.get<GBRWrapperRcd>().get(std::string(TString::Format("%s_EBUncertainty",regweights.c_str())),readerebvar);
      iSetup.get<GBRWrapperRcd>().get(std::string(TString::Format("%s_EECorrection",regweights.c_str())),readeree);
      iSetup.get<GBRWrapperRcd>().get(std::string(TString::Format("%s_EEUncertainty",regweights.c_str())),readereevar);

      fReadereb = readereb.product();
      fReaderebvariance = readerebvar.product();
      fReaderee = readeree.product();
      fReadereevariance = readereevar.product();

    }
    else { //weights from root file
      fOwnsForests = kTRUE;

      TFile *fgbr = TFile::Open(regweights.c_str(),"READ");
      fReadereb = (GBRForest*)fgbr->Get("EBCorrection");
      fReaderebvariance = (GBRForest*)fgbr->Get("EBUncertainty");
      fReaderee = (GBRForest*)fgbr->Get("EECorrection");
      fReadereevariance = (GBRForest*)fgbr->Get("EEUncertainty");
      fgbr->Close();
    }

}

Bool_t EGEnergyCorrector::IsInitialized ( ) const

inline

Definition at line 28 of file EGEnergyCorrector.h.

References fIsInitialized.

Referenced by EGEnergyAnalyzer::analyze(), and PhotonEnergyCorrector::init().

{ return fIsInitialized; }

Member Data Documentation

EcalClusterLocal EGEnergyCorrector::_ecalLocal

protected

Definition at line 46 of file EGEnergyCorrector.h.

Referenced by CorrectedEnergyWithError(), and CorrectedEnergyWithErrorV3().

Bool_t EGEnergyCorrector::fIsInitialized

protected

Definition at line 42 of file EGEnergyCorrector.h.

Referenced by Initialize(), and IsInitialized().

Bool_t EGEnergyCorrector::fOwnsForests

protected

Definition at line 43 of file EGEnergyCorrector.h.

Referenced by Initialize(), and ~EGEnergyCorrector().

const GBRForest* EGEnergyCorrector::fReadereb

protected

Definition at line 37 of file EGEnergyCorrector.h.

Referenced by CorrectedEnergyWithError(), CorrectedEnergyWithErrorV3(), Initialize(), and ~EGEnergyCorrector().

const GBRForest* EGEnergyCorrector::fReaderebvariance

protected

Definition at line 38 of file EGEnergyCorrector.h.

Referenced by CorrectedEnergyWithError(), CorrectedEnergyWithErrorV3(), Initialize(), and ~EGEnergyCorrector().

const GBRForest* EGEnergyCorrector::fReaderee

protected

Definition at line 39 of file EGEnergyCorrector.h.

Referenced by CorrectedEnergyWithError(), CorrectedEnergyWithErrorV3(), Initialize(), and ~EGEnergyCorrector().

const GBRForest* EGEnergyCorrector::fReadereevariance

protected

Definition at line 40 of file EGEnergyCorrector.h.

Referenced by CorrectedEnergyWithError(), CorrectedEnergyWithErrorV3(), Initialize(), and ~EGEnergyCorrector().

Float_t* EGEnergyCorrector::fVals

protected

Definition at line 44 of file EGEnergyCorrector.h.

Referenced by CorrectedEnergyWithError(), CorrectedEnergyWithErrorV3(), Initialize(), and ~EGEnergyCorrector().