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PFMEtSignInterfaceBase Class Reference

#include <PFMEtSignInterfaceBase.h>

Public Member Functions

template<typename T >
std::vector< metsig::SigInputObjcompResolution (const std::list< T * > &particles) const
 
template<typename T >
metsig::SigInputObj compResolution (const T *particle) const
 
template<typename T >
reco::METCovMatrix operator() (const std::list< T * > &particles) const
 
reco::METCovMatrix operator() (const std::vector< metsig::SigInputObj > &) const
 
 PFMEtSignInterfaceBase (const edm::ParameterSet &)
 
 ~PFMEtSignInterfaceBase ()
 

Protected Member Functions

template<typename T >
void addPFMEtSignObjects (std::vector< metsig::SigInputObj > &metSignObjects, const std::list< T * > &particles) const
 

Private Attributes

TFile * inputFile_
 
TH2 * lut_
 
metsig::SignAlgoResolutionspfMEtResolution_
 
int verbosity_
 

Detailed Description

Auxiliary class interfacing the TauAnalysis software to RecoMET/METAlgorithms/interface/significanceAlgo.h for computing (PF)MEt significance (see CMS AN-10/400 for description of the (PF)MEt significance computation)

Author
Christian Veelken, LLR

Definition at line 39 of file PFMEtSignInterfaceBase.h.

Constructor & Destructor Documentation

◆ PFMEtSignInterfaceBase()

PFMEtSignInterfaceBase::PFMEtSignInterfaceBase ( const edm::ParameterSet cfg)

Definition at line 15 of file PFMEtSignInterfaceBase.cc.

16  : pfMEtResolution_(nullptr), inputFile_(nullptr), lut_(nullptr) {
18 
19  if (cfg.exists("addJERcorr")) {
20  edm::ParameterSet cfgJERcorr = cfg.getParameter<edm::ParameterSet>("addJERcorr");
21  edm::FileInPath inputFileName = cfgJERcorr.getParameter<edm::FileInPath>("inputFileName");
22  std::string lutName = cfgJERcorr.getParameter<std::string>("lutName");
23  if (inputFileName.location() != edm::FileInPath::Local)
24  throw cms::Exception("PFMEtSignInterfaceBase") << " Failed to find File = " << inputFileName << " !!\n";
25 
26  inputFile_ = new TFile(inputFileName.fullPath().data());
27  lut_ = dynamic_cast<TH2*>(inputFile_->Get(lutName.data()));
28  if (!lut_)
29  throw cms::Exception("PFMEtSignInterfaceBase") << " Failed to load LUT = " << lutName.data()
30  << " from file = " << inputFileName.fullPath().data() << " !!\n";
31  }
32 
33  verbosity_ = cfg.exists("verbosity") ? cfg.getParameter<int>("verbosity") : 0;
34 }

References looper::cfg, Exception, edm::ParameterSet::getParameter(), inputFile_, InefficientDoubleROC::inputFileName, edm::FileInPath::Local, lut_, pfMEtResolution_, AlCaHLTBitMon_QueryRunRegistry::string, and verbosity_.

◆ ~PFMEtSignInterfaceBase()

PFMEtSignInterfaceBase::~PFMEtSignInterfaceBase ( )

Definition at line 36 of file PFMEtSignInterfaceBase.cc.

36  {
37  delete pfMEtResolution_;
38  delete inputFile_;
39  delete lut_;
40 }

References inputFile_, lut_, and pfMEtResolution_.

Member Function Documentation

◆ addPFMEtSignObjects()

template<typename T >
void PFMEtSignInterfaceBase::addPFMEtSignObjects ( std::vector< metsig::SigInputObj > &  metSignObjects,
const std::list< T * > &  particles 
) const
inlineprotected

Definition at line 174 of file PFMEtSignInterfaceBase.h.

174  {
175  for (typename std::list<T*>::const_iterator particle = particles.begin(); particle != particles.end(); ++particle) {
176  metSignObjects.push_back(this->compResolution(*particle));
177  }
178  }

References compResolution(), and ecalTrigSettings_cff::particles.

Referenced by compResolution().

◆ compResolution() [1/2]

template<typename T >
std::vector<metsig::SigInputObj> PFMEtSignInterfaceBase::compResolution ( const std::list< T * > &  particles) const
inline

Definition at line 155 of file PFMEtSignInterfaceBase.h.

155  {
156  LogDebug("compResolution") << " particles: entries = " << particles.size() << std::endl;
157 
158  std::vector<metsig::SigInputObj> pfMEtSignObjects;
159  addPFMEtSignObjects(pfMEtSignObjects, particles);
160 
161  return pfMEtSignObjects;
162  }

References addPFMEtSignObjects(), LogDebug, and ecalTrigSettings_cff::particles.

◆ compResolution() [2/2]

template<typename T >
metsig::SigInputObj PFMEtSignInterfaceBase::compResolution ( const T particle) const
inline

Definition at line 45 of file PFMEtSignInterfaceBase.h.

45  {
46  double pt = particle->pt();
47  double eta = particle->eta();
48  double phi = particle->phi();
49 
50  if (dynamic_cast<const reco::GsfElectron*>(particle) != nullptr ||
51  dynamic_cast<const pat::Electron*>(particle) != nullptr) {
52  std::string particleType = "electron";
53  // WARNING: SignAlgoResolutions::PFtype2 needs to be kept in sync with reco::PFCandidate::e !!
56  //std::cout << "electron: pt = " << pt << ", eta = " << eta << ", phi = " << phi
57  // << " --> dpt = " << dpt << ", dphi = " << dphi << std::endl;
58  return metsig::SigInputObj(particleType, pt, phi, dpt, dphi);
59  } else if (dynamic_cast<const reco::Photon*>(particle) != nullptr ||
60  dynamic_cast<const pat::Photon*>(particle) != nullptr) {
61  // CV: assume resolutions for photons to be identical to electron resolutions
62  std::string particleType = "electron";
63  // WARNING: SignAlgoResolutions::PFtype2 needs to be kept in sync with reco::PFCandidate::e !!
66  //std::cout << "photon: pt = " << pt << ", eta = " << eta << ", phi = " << phi
67  // << " --> dpt = " << dpt << ", dphi = " << dphi << std::endl;
68  return metsig::SigInputObj(particleType, pt, phi, dpt, dphi);
69  } else if (dynamic_cast<const reco::Muon*>(particle) != nullptr ||
70  dynamic_cast<const pat::Muon*>(particle) != nullptr) {
71  std::string particleType = "muon";
72  double dpt, dphi;
73  const reco::Track* muonTrack = nullptr;
74  if (dynamic_cast<const pat::Muon*>(particle) != nullptr) {
75  const pat::Muon* muon = dynamic_cast<const pat::Muon*>(particle);
76  if (muon->track().isNonnull() && muon->track().isAvailable())
77  muonTrack = muon->track().get();
78  } else if (dynamic_cast<const reco::Muon*>(particle) != nullptr) {
79  const reco::Muon* muon = dynamic_cast<const reco::Muon*>(particle);
80  if (muon->track().isNonnull() && muon->track().isAvailable())
81  muonTrack = muon->track().get();
82  } else
83  assert(0);
84  if (muonTrack) {
85  dpt = muonTrack->ptError();
86  dphi = pt * muonTrack->phiError(); // CV: pt*dphi is indeed correct
87  } else {
88  // WARNING: SignAlgoResolutions::PFtype3 needs to be kept in sync with reco::PFCandidate::mu !!
91  }
92  //std::cout << "muon: pt = " << pt << ", eta = " << eta << ", phi = " << phi
93  // << " --> dpt = " << dpt << ", dphi = " << dphi << std::endl;
94  return metsig::SigInputObj(particleType, pt, phi, dpt, dphi);
95  } else if (dynamic_cast<const reco::PFTau*>(particle) != nullptr ||
96  dynamic_cast<const pat::Tau*>(particle) != nullptr) {
97  // CV: use PFJet resolutions for PFTaus for now...
98  // (until PFTau specific resolutions are available)
99  if (dynamic_cast<const pat::Tau*>(particle) != nullptr) {
100  const pat::Tau* pfTau = dynamic_cast<const pat::Tau*>(particle);
101  return pfMEtResolution_->evalPFJet(pfTau->pfJetRef().get());
102  } else if (dynamic_cast<const reco::PFTau*>(particle) != nullptr) {
103  const reco::PFTau* pfTau = dynamic_cast<const reco::PFTau*>(particle);
104  return pfMEtResolution_->evalPFJet(pfTau->jetRef().get());
105  } else
106  assert(0);
107  } else if (dynamic_cast<const reco::PFJet*>(particle) != nullptr ||
108  dynamic_cast<const pat::Jet*>(particle) != nullptr) {
109  metsig::SigInputObj pfJetResolution;
110  if (dynamic_cast<const reco::PFJet*>(particle) != nullptr) {
111  const reco::PFJet* pfJet = dynamic_cast<const reco::PFJet*>(particle);
112  pfJetResolution = pfMEtResolution_->evalPFJet(pfJet);
113  } else if (dynamic_cast<const pat::Jet*>(particle) != nullptr) {
114  const pat::Jet* jet = dynamic_cast<const pat::Jet*>(particle);
115  if (jet->isPFJet()) {
116  reco::PFJet pfJet(jet->p4(), jet->vertex(), jet->pfSpecific(), jet->getJetConstituents());
117  pfJetResolution = pfMEtResolution_->evalPFJet(&pfJet);
118  } else
119  throw cms::Exception("addPFMEtSignObjects") << "PAT jet not of PF-type !!\n";
120  } else
121  assert(0);
122  //std::cout << "pfJet: pt = " << pt << ", eta = " << eta << ", phi = " << phi << std::endl;
123  // CV: apply additional jet energy resolution corrections
124  // not included in (PF)MEt significance algorithm yet
125  // (cf. CMS AN-11/400 vs. CMS AN-11/330)
126  if (lut_ && pt > 10.) {
127  double x = std::abs(eta);
128  double y = pt;
129  if (x > lut_->GetXaxis()->GetXmin() && x < lut_->GetXaxis()->GetXmax() && y > lut_->GetYaxis()->GetXmin() &&
130  y < lut_->GetYaxis()->GetXmax()) {
131  int binIndex = lut_->FindBin(x, y);
132  double addJERcorrFactor = lut_->GetBinContent(binIndex);
133  //std::cout << " addJERcorrFactor = " << addJERcorrFactor << std::endl;
134  pfJetResolution.set(pfJetResolution.get_type(),
135  pfJetResolution.get_energy(),
136  pfJetResolution.get_phi(),
137  addJERcorrFactor * pfJetResolution.get_sigma_e(),
138  pfJetResolution.get_sigma_tan());
139  }
140  }
141  return pfJetResolution;
142  } else if (dynamic_cast<const reco::PFCandidate*>(particle) != nullptr) {
143  const reco::PFCandidate* pfCandidate = dynamic_cast<const reco::PFCandidate*>(particle);
144  //std::cout << "pfCandidate: pt = " << pt << ", eta = " << eta << ", phi = " << phi << std::endl;
145  return pfMEtResolution_->evalPF(pfCandidate);
146  } else
147  throw cms::Exception("addPFMEtSignObjects")
148  << "Invalid type of particle:"
149  << " valid types = { reco::GsfElectron/pat::Electron, reco::Photon/pat::Photon, reco::Muon/pat::Muon, "
150  "reco::PFTau/pat::Tau,"
151  << " reco::PFJet/pat::Jet, reco::PFCandidate } !!\n";
152  }

References funct::abs(), cms::cuda::assert(), metsig::ET, PVValHelper::eta, metsig::SignAlgoResolutions::eval(), metsig::SignAlgoResolutions::evalPF(), metsig::SignAlgoResolutions::evalPFJet(), Exception, edm::RefToBase< T >::get(), metsig::SigInputObj::get_energy(), metsig::SigInputObj::get_phi(), metsig::SigInputObj::get_sigma_e(), metsig::SigInputObj::get_sigma_tan(), metsig::SigInputObj::get_type(), metsig::jet, reco::PFTau::jetRef(), lut_, PbPb_ZMuSkimMuonDPG_cff::particleType, pat::Tau::pfJetRef(), pfMEtResolution_, metsig::PFtype2, metsig::PFtype3, phi, metsig::PHI, reco::TrackBase::phiError(), DiDispStaMuonMonitor_cfi::pt, reco::TrackBase::ptError(), metsig::SigInputObj::set(), AlCaHLTBitMon_QueryRunRegistry::string, x, and y.

Referenced by addPFMEtSignObjects(), operator()(), NoPileUpPFMEtProducer::produce(), and NoPileUpPFMEtDataProducer::produce().

◆ operator()() [1/2]

template<typename T >
reco::METCovMatrix PFMEtSignInterfaceBase::operator() ( const std::list< T * > &  particles) const
inline

Definition at line 167 of file PFMEtSignInterfaceBase.h.

167  {
168  std::vector<metsig::SigInputObj> pfMEtSignObjects = compResolution(particles);
169  return this->operator()(pfMEtSignObjects);
170  }

References compResolution(), operator()(), and ecalTrigSettings_cff::particles.

◆ operator()() [2/2]

reco::METCovMatrix PFMEtSignInterfaceBase::operator() ( const std::vector< metsig::SigInputObj > &  pfMEtSignObjects) const

Definition at line 42 of file PFMEtSignInterfaceBase.cc.

42  {
43  // if ( this->verbosity_ ) {
44  // std::cout << "<PFMEtSignInterfaceBase::operator()>:" << std::endl;
45  // std::cout << " pfMEtSignObjects: entries = " << pfMEtSignObjects.size() << std::endl;
46  // double dpt2Sum = 0.;
47  // for ( std::vector<metsig::SigInputObj>::const_iterator pfMEtSignObject = pfMEtSignObjects.begin();
48  // pfMEtSignObject != pfMEtSignObjects.end(); ++pfMEtSignObject ) {
49  // std::cout << pfMEtSignObject->get_type() << ": pt = " << pfMEtSignObject->get_energy() << ","
50  // << " phi = " << pfMEtSignObject->get_phi() << " --> dpt = " << pfMEtSignObject->get_sigma_e() << std::endl;
51  // dpt2Sum += pfMEtSignObject->get_sigma_e();
52  // }
53  // std::cout << "--> sqrt(sum(dpt^2)) = " << sqrt(dpt2Sum) << std::endl;
54  // }
55 
56  reco::METCovMatrix pfMEtCov;
57  if (pfMEtSignObjects.size() >= 2) {
58  metsig::significanceAlgo pfMEtSignAlgorithm;
59  pfMEtSignAlgorithm.addObjects(pfMEtSignObjects);
60  pfMEtCov = pfMEtSignAlgorithm.getSignifMatrix();
61 
62  double det = 0;
63  pfMEtCov.Det(det);
64 
65  // if ( this->verbosity_ && std::abs(det) > epsilon ) {
66  // //keep TMatrixD as it is much easier to find
67  // //eigenvectors and values than with SMatrix;
68  // //not used anyway, except for debugging
69  // TMatrixD tmpMatrix(2,2);
70  // tmpMatrix(0,0) = pfMEtCov(0,0);
71  // tmpMatrix(0,1) = pfMEtCov(0,1);
72  // tmpMatrix(1,0) = pfMEtCov(1,0);
73  // tmpMatrix(1,1) = pfMEtCov(1,1);
74 
75  // TVectorD eigenValues(2);
76  // TMatrixD eigenVectors = tmpMatrix.EigenVectors(eigenValues);
77  // // CV: eigenvectors are stored in columns
78  // // and are sorted such that the one corresponding to the highest eigenvalue is in the **first** column
79  // for ( unsigned iEigenVector = 0; iEigenVector < 2; ++iEigenVector ) {
80  // std::cout << "eigenVector #" << iEigenVector << " (eigenValue = " << eigenValues(iEigenVector) << "):"
81  // << " x = " << eigenVectors(0, iEigenVector) << ", y = " << eigenVectors(1, iEigenVector) << std::endl;
82  // }
83  // }
84 
85  //--- substitute (PF)MEt resolution matrix by default values
86  // in case resolution matrix cannot be inverted
87  if (std::abs(det) < epsilon) {
88  edm::LogWarning("PFMEtSignInterfaceBase::operator()")
89  << "Inversion of PFMEt covariance matrix failed, det = " << det
90  << " --> replacing covariance matrix by resolution defaults !!";
92  pfMEtCov(0, 1) = 0.;
93  pfMEtCov(1, 0) = 0.;
95  }
96  } else {
97  pfMEtCov(0, 0) = 0.;
98  pfMEtCov(0, 1) = 0.;
99  pfMEtCov(1, 0) = 0.;
100  pfMEtCov(1, 1) = 0.;
101  }
102 
103  return pfMEtCov;
104 }

References funct::abs(), metsig::significanceAlgo::addObjects(), defaultPFMEtResolutionX, defaultPFMEtResolutionY, epsilon, and metsig::significanceAlgo::getSignifMatrix().

Referenced by operator()().

Member Data Documentation

◆ inputFile_

TFile* PFMEtSignInterfaceBase::inputFile_
private

Definition at line 186 of file PFMEtSignInterfaceBase.h.

Referenced by PFMEtSignInterfaceBase(), and ~PFMEtSignInterfaceBase().

◆ lut_

TH2* PFMEtSignInterfaceBase::lut_
private

◆ pfMEtResolution_

metsig::SignAlgoResolutions* PFMEtSignInterfaceBase::pfMEtResolution_
private

◆ verbosity_

int PFMEtSignInterfaceBase::verbosity_
private

Definition at line 189 of file PFMEtSignInterfaceBase.h.

Referenced by PFMEtSignInterfaceBase().

DDAxes::y
PFMEtSignInterfaceBase::addPFMEtSignObjects
void addPFMEtSignObjects(std::vector< metsig::SigInputObj > &metSignObjects, const std::list< T * > &particles) const
Definition: PFMEtSignInterfaceBase.h:174
reco::TrackBase::ptError
double ptError() const
error on Pt (set to 1000 TeV if charge==0 for safety)
Definition: TrackBase.h:754
metsig::ET
Definition: SignAlgoResolutions.h:59
metsig::SignAlgoResolutions::evalPF
metsig::SigInputObj evalPF(const reco::PFCandidate *candidate) const
Definition: SignAlgoResolutions.cc:64
muon
Definition: MuonCocktails.h:17
DiDispStaMuonMonitor_cfi.pt
pt
Definition: DiDispStaMuonMonitor_cfi.py:39
pat::Tau
Analysis-level tau class.
Definition: Tau.h:53
metsig::SigInputObj::set
void set(const std::string &m_type, const double &m_energy, const double &m_phi, const double &m_sigma_e, const double &m_sigma_tan)
Definition: SigInputObj.h:42
cms::cuda::assert
assert(be >=bs)
reco::PFTau
Definition: PFTau.h:36
DDAxes::x
pat::Muon
Analysis-level muon class.
Definition: Muon.h:51
metsig::SigInputObj::get_energy
double get_energy() const
Definition: SigInputObj.h:37
edm::LogWarning
Log< level::Warning, false > LogWarning
Definition: MessageLogger.h:122
ecalTrigSettings_cff.particles
particles
Definition: ecalTrigSettings_cff.py:11
PFMEtSignInterfaceBase::compResolution
metsig::SigInputObj compResolution(const T *particle) const
Definition: PFMEtSignInterfaceBase.h:45
reco::Muon
Definition: Muon.h:27
metsig::SignAlgoResolutions::eval
double eval(const resolutionType &type, const resolutionFunc &func, const double &et, const double &phi, const double &eta, const double &p) const
Definition: SignAlgoResolutions.cc:49
PFMEtSignInterfaceBase::pfMEtResolution_
metsig::SignAlgoResolutions * pfMEtResolution_
Definition: PFMEtSignInterfaceBase.h:181
metsig::SigInputObj::get_phi
double get_phi() const
Definition: SigInputObj.h:38
edm::FileInPath::Local
Definition: FileInPath.h:66
PFMEtSignInterfaceBase::lut_
TH2 * lut_
Definition: PFMEtSignInterfaceBase.h:187
edm::FileInPath
Definition: FileInPath.h:64
metsig::significanceAlgo::addObjects
const void addObjects(const std::vector< metsig::SigInputObj > &EventVec)
Definition: significanceAlgo.cc:109
pat::Jet
Analysis-level calorimeter jet class.
Definition: Jet.h:77
InefficientDoubleROC.inputFileName
inputFileName
Definition: InefficientDoubleROC.py:437
metsig::SigInputObj::get_sigma_e
double get_sigma_e() const
Definition: SigInputObj.h:39
PVValHelper::eta
Definition: PVValidationHelpers.h:69
defaultPFMEtResolutionX
const double defaultPFMEtResolutionX
Definition: PFMEtSignInterfaceBase.cc:10
PFMEtSignInterfaceBase::operator()
reco::METCovMatrix operator()(const std::vector< metsig::SigInputObj > &) const
Definition: PFMEtSignInterfaceBase.cc:42
metsig::PFtype3
Definition: SignAlgoResolutions.h:53
reco::Track
Definition: Track.h:27
edm::RefToBase::get
value_type const * get() const
Definition: RefToBase.h:209
PFMEtSignInterfaceBase::inputFile_
TFile * inputFile_
Definition: PFMEtSignInterfaceBase.h:186
AlCaHLTBitMon_QueryRunRegistry.string
string
Definition: AlCaHLTBitMon_QueryRunRegistry.py:256
LogDebug
#define LogDebug(id)
Definition: MessageLogger.h:223
edm::ParameterSet
Definition: ParameterSet.h:47
metsig::SigInputObj::get_type
std::string get_type() const
Definition: SigInputObj.h:36
pat::Tau::pfJetRef
const reco::JetBaseRef & pfJetRef() const
Definition: Tau.h:127
epsilon
const double epsilon
Definition: PFMEtSignInterfaceBase.cc:13
metsig::PFtype2
Definition: SignAlgoResolutions.h:52
looper.cfg
cfg
Definition: looper.py:297
DDAxes::phi
PFMEtSignInterfaceBase::verbosity_
int verbosity_
Definition: PFMEtSignInterfaceBase.h:189
metsig::PHI
Definition: SignAlgoResolutions.h:59
metsig::significanceAlgo
Definition: significanceAlgo.h:86
metsig::SignAlgoResolutions
Definition: SignAlgoResolutions.h:61
metsig::jet
Definition: SignAlgoResolutions.h:47
Exception
Definition: hltDiff.cc:246
metsig::significanceAlgo::getSignifMatrix
reco::METCovMatrix getSignifMatrix() const
Definition: significanceAlgo.h:99
reco::PFJet
Jets made from PFObjects.
Definition: PFJet.h:20
edm::ParameterSet::getParameter
T getParameter(std::string const &) const
Definition: ParameterSet.h:303
reco::TrackBase::phiError
double phiError() const
error on phi
Definition: TrackBase.h:766
reco::PFCandidate
Particle reconstructed by the particle flow algorithm.
Definition: PFCandidate.h:41
cms::Exception
Definition: Exception.h:70
metsig::SigInputObj::get_sigma_tan
double get_sigma_tan() const
Definition: SigInputObj.h:40
defaultPFMEtResolutionY
const double defaultPFMEtResolutionY
Definition: PFMEtSignInterfaceBase.cc:11
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
PbPb_ZMuSkimMuonDPG_cff.particleType
particleType
Definition: PbPb_ZMuSkimMuonDPG_cff.py:27
metsig::SigInputObj
Definition: SigInputObj.h:29
reco::METCovMatrix
ROOT::Math::SMatrix< double, 2 > METCovMatrix
Definition: MET.h:39
metsig::SignAlgoResolutions::evalPFJet
metsig::SigInputObj evalPFJet(const reco::Jet *jet) const
Definition: SignAlgoResolutions.cc:121
reco::PFTau::jetRef
const JetBaseRef & jetRef() const
Definition: PFTau.cc:57