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#include "DataFormats/ParticleFlowCandidate/interface/PFCandidateElectronExtra.h"
#include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
#include <ostream>
#include <iomanip>
using namespace reco;
PFCandidateElectronExtra::PFCandidateElectronExtra() {
status_ = 0;
mvaStatus_ = 0;
pout_ = math::XYZTLorentzVector(0., 0., 0., 0.);
hadEnergy_ = -9999.;
sigmaEtaEta_ = -9999.;
for (MvaVariable m = MVA_FIRST; m < MVA_LAST; m = MvaVariable(m + 1))
mvaVariables_.push_back(-9999.);
gsfTrackRef_ = GsfTrackRef();
kfTrackRef_ = TrackRef();
}
PFCandidateElectronExtra::PFCandidateElectronExtra(const reco::GsfTrackRef& gsfTrack) {
status_ = 0;
mvaStatus_ = 0;
pout_ = math::XYZTLorentzVector(0., 0., 0., 0.);
hadEnergy_ = -9999.;
sigmaEtaEta_ = -9999.;
for (MvaVariable m = MVA_FIRST; m < MVA_LAST; m = MvaVariable(m + 1))
mvaVariables_.push_back(-9999.);
gsfTrackRef_ = gsfTrack;
kfTrackRef_ = TrackRef();
setVariable(MVA_LnPtGsf, log(gsfTrackRef_->ptMode()));
setVariable(MVA_EtaGsf, gsfTrackRef_->etaMode());
setVariable(MVA_Chi2Gsf, gsfTrackRef_->normalizedChi2());
float ptmodeerror = gsfTrackRef_->ptModeError();
if (ptmodeerror > 0.)
setVariable(MVA_SigmaPtOverPt, ptmodeerror / gsfTrackRef_->ptMode());
else
setVariable(MVA_SigmaPtOverPt, -999.);
setVariable(MVA_Fbrem, (gsfTrackRef_->ptMode() - pout_.pt()) / gsfTrackRef_->ptMode());
}
void PFCandidateElectronExtra::setGsfTrackRef(const reco::GsfTrackRef& ref) { gsfTrackRef_ = ref; }
void PFCandidateElectronExtra::setGsfTrackPout(const math::XYZTLorentzVector& pout) { pout_ = pout; }
void PFCandidateElectronExtra::setKfTrackRef(const reco::TrackRef& ref) {
kfTrackRef_ = ref;
float nhit_kf = 0;
float chi2_kf = -0.01;
// if the reference is null, it does not mean that the variables have not been set
if (kfTrackRef_.isNonnull()) {
nhit_kf = (float)kfTrackRef_->hitPattern().trackerLayersWithMeasurement();
chi2_kf = kfTrackRef_->normalizedChi2();
}
setVariable(MVA_NhitsKf, nhit_kf);
setVariable(MVA_Chi2Kf, chi2_kf);
}
void PFCandidateElectronExtra::setLateBrem(float val) {
lateBrem_ = val;
setVariable(MVA_LateBrem, val);
}
void PFCandidateElectronExtra::setEarlyBrem(float val) {
earlyBrem_ = val;
setVariable(MVA_FirstBrem, val);
}
void PFCandidateElectronExtra::setHadEnergy(float val) {
hadEnergy_ = val;
if (!clusterEnergies_.empty())
setVariable(MVA_HOverHE, hadEnergy_ / (hadEnergy_ + clusterEnergies_[0]));
}
void PFCandidateElectronExtra::setSigmaEtaEta(float val) {
sigmaEtaEta_ = val;
setVariable(MVA_LogSigmaEtaEta, val);
}
void PFCandidateElectronExtra::setDeltaEta(float val) {
deltaEta_ = val;
setVariable(MVA_DeltaEtaTrackCluster, val);
}
void PFCandidateElectronExtra::setClusterEnergies(const std::vector<float>& energies) {
clusterEnergies_ = energies;
if (pout_.t() != 0.)
setVariable(MVA_EseedOverPout, clusterEnergies_[0] / pout_.t());
const float m_el2 = 0.00051 * 0.00051;
float Ein_gsf = sqrt(gsfTrackRef_->pMode() * gsfTrackRef_->pMode() + m_el2);
float etot = 0;
unsigned size = clusterEnergies_.size();
// std::cout << " N clusters " << size << std::endl;
float ebrem = 0.;
for (unsigned ic = 0; ic < size; ++ic) {
etot += clusterEnergies_[ic];
if (ic > 0)
ebrem += clusterEnergies_[ic];
}
setVariable(MVA_EtotOverPin, etot / Ein_gsf);
setVariable(MVA_EbremOverDeltaP, ebrem / (Ein_gsf - pout_.t()));
// recompute - as in PFElectronAglo, the had energy is filled before the cluster energies
if (hadEnergy_ != -9999.)
setHadEnergy(hadEnergy_);
}
void PFCandidateElectronExtra::setMVA(float val) { setVariable(MVA_MVA, val); }
void PFCandidateElectronExtra::setVariable(MvaVariable type, float val) {
mvaVariables_[type] = val;
mvaStatus_ |= (1 << (type));
}
void PFCandidateElectronExtra::setStatus(StatusFlag type, bool status) {
if (status) {
status_ |= (1 << type);
} else {
status_ &= ~(1 << type);
}
}
bool PFCandidateElectronExtra::electronStatus(StatusFlag flag) const { return status_ & (1 << flag); }
bool PFCandidateElectronExtra::mvaStatus(MvaVariable flag) const { return mvaStatus_ & (1 << (flag)); }
float PFCandidateElectronExtra::mvaVariable(MvaVariable var) const {
return (mvaStatus(var) ? mvaVariables_[var] : -9999.);
}
#include <string>
static char const* const listVar[] = {"LogPt",
"Eta",
"SigmaPtOverPt",
"fbrem",
"Chi2Gsf",
"NhitsKf",
"Chi2Kf",
"EtotOverPin",
"EseedOverPout",
"EbremOverDeltaP",
"DeltaEtaTrackCluster",
"LogSigmaEtaEta",
"H/(H+E)",
"LateBrem",
"FirstBrem",
"MVA"};
std::ostream& reco::operator<<(std::ostream& out, const PFCandidateElectronExtra& extra) {
if (!out)
return out;
out << std::setiosflags(std::ios::left) << std::setw(20) << "Variable index" << std::setw(20) << "Name"
<< std::setw(10) << "Set(0/1)" << std::setw(8) << "value" << std::endl;
for (PFCandidateElectronExtra::MvaVariable i = PFCandidateElectronExtra::MVA_FIRST;
i < PFCandidateElectronExtra::MVA_LAST;
i = PFCandidateElectronExtra::MvaVariable(i + 1)) {
out << std::setw(20) << i << std::setw(20) << listVar[i] << std::setw(10) << extra.mvaStatus(i) << std::setw(8)
<< extra.mvaVariable(i) << std::endl;
}
return out;
}
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