metsig::SignAlgoResolutions Class Reference

#include <SignAlgoResolutions.h>

Public Member Functions
void	addResolutions (const edm::ParameterSet &iConfig)
double	eval (const resolutionType &type, const resolutionFunc &func, const double &et, const double &phi, const double &eta, const double &p) const
double	eval (const resolutionType &type, const resolutionFunc &func, const double &et, const double &phi, const double &eta) const
metsig::SigInputObj	evalPF (const reco::PFCandidate *candidate) const
metsig::SigInputObj	evalPFJet (const reco::Jet *jet) const
bool	isFilled () const
	SignAlgoResolutions ()
	SignAlgoResolutions (const edm::ParameterSet &iConfig)

Private Types
typedef std::pair< metsig::resolutionType, metsig::resolutionFunc >	functionCombo
typedef std::vector< double >	functionPars

Private Member Functions
void	addfunction (const resolutionType type, const resolutionFunc func, const std::vector< double > &parameters)
double	ElectronPtResolution (const reco::PFCandidate *c) const
double	EtFunction (const functionPars &x, const functionPars &par) const
double	getfunc (const resolutionType &type, const resolutionFunc &func, std::vector< double > &x) const
void	initializeJetResolutions (const edm::ParameterSet &iConfig)
double	PFunction (const functionPars &x, const functionPars &par) const
double	PhiConstFunction (const functionPars &x, const functionPars &par) const
double	PhiFunction (const functionPars &x, const functionPars &par) const

Private Attributes
std::map< functionCombo, functionPars >	functionmap_
std::vector< double >	jdphi [10]
std::vector< double >	jdpt [10]
PFEnergyResolution *	pfresol_
JetResolution *	phiResol_
JetResolution *	ptResol_
double	ptResolThreshold_

Detailed Description

Definition at line 61 of file SignAlgoResolutions.h.

Member Typedef Documentation

functionCombo

typedef std::pair<metsig::resolutionType, metsig::resolutionFunc> metsig::SignAlgoResolutions::functionCombo

private

Definition at line 87 of file SignAlgoResolutions.h.

functionPars

typedef std::vector<double> metsig::SignAlgoResolutions::functionPars

private

Definition at line 88 of file SignAlgoResolutions.h.

Constructor & Destructor Documentation

SignAlgoResolutions() [1/2]

metsig::SignAlgoResolutions::SignAlgoResolutions ( )

inline

Definition at line 63 of file SignAlgoResolutions.h.

: functionmap_() { ; }

SignAlgoResolutions() [2/2]

metsig::SignAlgoResolutions::SignAlgoResolutions

(

const edm::ParameterSet &

iConfig

)

Definition at line 33 of file SignAlgoResolutions.cc.

References addResolutions().

    : functionmap_(), ptResol_(nullptr), phiResol_(nullptr) {
  addResolutions(iConfig);
}

Member Function Documentation

addfunction()

void metsig::SignAlgoResolutions::addfunction ( const resolutionType  type, const resolutionFunc  func, const std::vector< double > &  parameters  )

private

Definition at line 310 of file SignAlgoResolutions.cc.

References EcalMonitorTask_cff::func.

                                                                              {
  functionCombo mypair(type, func);
  functionmap_[mypair] = parameters;
}

addResolutions()

void metsig::SignAlgoResolutions::addResolutions

(

const edm::ParameterSet &

iConfig

)

Definition at line 151 of file SignAlgoResolutions.cc.

References metsig::caloEB, metsig::caloEE, metsig::caloHB, metsig::caloHE, metsig::caloHF, metsig::caloHO, metsig::ET, edm::ParameterSet::getParameter(), hcalRecHitTable_cff::ieta, initializeJetResolutions(), metsig::PFtype1, metsig::PFtype2, metsig::PFtype3, metsig::PFtype4, metsig::PFtype5, metsig::PFtype6, metsig::PFtype7, and metsig::PHI.

Referenced by SignAlgoResolutions().

                                                                             {
  using namespace std;

  // Jet Resolutions - for now load from the files. Migrate to EventSetup asap.
  metsig::SignAlgoResolutions::initializeJetResolutions(iConfig);

  ptResolThreshold_ = iConfig.getParameter<double>("ptresolthreshold");

  //get temporary low pT pfjet resolutions
  for (int ieta = 0; ieta < 10; ieta++) {
    jdpt[ieta] = iConfig.getParameter<std::vector<double> >(Form("jdpt%d", ieta));
    jdphi[ieta] = iConfig.getParameter<std::vector<double> >(Form("jdphi%d", ieta));
  }

  // for now: do this by hand - this can obviously also be done via ESSource etc.
  functionPars etparameters(3, 0);
  functionPars phiparameters(1, 0);
  // set the parameters per function:
  // ECAL, BARREL:
  std::vector<double> ebet = iConfig.getParameter<std::vector<double> >("EB_EtResPar");
  std::vector<double> ebphi = iConfig.getParameter<std::vector<double> >("EB_PhiResPar");

  etparameters[0] = ebet[0];
  etparameters[1] = ebet[1];
  etparameters[2] = ebet[2];
  phiparameters[0] = ebphi[0];
  addfunction(caloEB, ET, etparameters);
  addfunction(caloEB, PHI, phiparameters);
  // ECAL, ENDCAP:
  std::vector<double> eeet = iConfig.getParameter<std::vector<double> >("EE_EtResPar");
  std::vector<double> eephi = iConfig.getParameter<std::vector<double> >("EE_PhiResPar");

  etparameters[0] = eeet[0];
  etparameters[1] = eeet[1];
  etparameters[2] = eeet[2];
  phiparameters[0] = eephi[0];
  addfunction(caloEE, ET, etparameters);
  addfunction(caloEE, PHI, phiparameters);
  // HCAL, BARREL:
  std::vector<double> hbet = iConfig.getParameter<std::vector<double> >("HB_EtResPar");
  std::vector<double> hbphi = iConfig.getParameter<std::vector<double> >("HB_PhiResPar");

  etparameters[0] = hbet[0];
  etparameters[1] = hbet[1];
  etparameters[2] = hbet[2];
  phiparameters[0] = hbphi[0];
  addfunction(caloHB, ET, etparameters);
  addfunction(caloHB, PHI, phiparameters);
  // HCAL, ENDCAP:
  std::vector<double> heet = iConfig.getParameter<std::vector<double> >("HE_EtResPar");
  std::vector<double> hephi = iConfig.getParameter<std::vector<double> >("HE_PhiResPar");

  etparameters[0] = heet[0];
  etparameters[1] = heet[1];
  etparameters[2] = heet[2];
  phiparameters[0] = hephi[0];
  addfunction(caloHE, ET, etparameters);
  addfunction(caloHE, PHI, phiparameters);
  // HCAL, Outer
  std::vector<double> hoet = iConfig.getParameter<std::vector<double> >("HO_EtResPar");
  std::vector<double> hophi = iConfig.getParameter<std::vector<double> >("HO_PhiResPar");

  etparameters[0] = hoet[0];
  etparameters[1] = hoet[1];
  etparameters[2] = hoet[2];
  phiparameters[0] = hophi[0];
  addfunction(caloHO, ET, etparameters);
  addfunction(caloHO, PHI, phiparameters);
  // HCAL, Forward
  std::vector<double> hfet = iConfig.getParameter<std::vector<double> >("HF_EtResPar");
  std::vector<double> hfphi = iConfig.getParameter<std::vector<double> >("HF_PhiResPar");

  etparameters[0] = hfet[0];
  etparameters[1] = hfet[1];
  etparameters[2] = hfet[2];
  phiparameters[0] = hfphi[0];
  addfunction(caloHF, ET, etparameters);
  addfunction(caloHF, PHI, phiparameters);

  // PF objects:
  // type 1:
  std::vector<double> pf1et = iConfig.getParameter<std::vector<double> >("PF_EtResType1");
  std::vector<double> pf1phi = iConfig.getParameter<std::vector<double> >("PF_PhiResType1");
  etparameters[0] = pf1et[0];
  etparameters[1] = pf1et[1];
  etparameters[2] = pf1et[2];
  phiparameters[0] = pf1phi[0];
  addfunction(PFtype1, ET, etparameters);
  addfunction(PFtype1, PHI, phiparameters);

  // PF objects:
  // type 2:
  std::vector<double> pf2et = iConfig.getParameter<std::vector<double> >("PF_EtResType2");
  std::vector<double> pf2phi = iConfig.getParameter<std::vector<double> >("PF_PhiResType2");
  etparameters[0] = pf2et[0];
  etparameters[1] = pf2et[1];
  etparameters[2] = pf2et[2];
  phiparameters[0] = pf2phi[0];
  addfunction(PFtype2, ET, etparameters);
  addfunction(PFtype2, PHI, phiparameters);

  // PF objects:
  // type 3:
  std::vector<double> pf3et = iConfig.getParameter<std::vector<double> >("PF_EtResType3");
  std::vector<double> pf3phi = iConfig.getParameter<std::vector<double> >("PF_PhiResType3");
  etparameters[0] = pf3et[0];
  etparameters[1] = pf3et[1];
  etparameters[2] = pf3et[2];
  phiparameters[0] = pf3phi[0];
  addfunction(PFtype3, ET, etparameters);
  addfunction(PFtype3, PHI, phiparameters);

  // PF objects:
  // type 4:
  std::vector<double> pf4et = iConfig.getParameter<std::vector<double> >("PF_EtResType4");
  std::vector<double> pf4phi = iConfig.getParameter<std::vector<double> >("PF_PhiResType4");
  etparameters[0] = pf4et[0];
  etparameters[1] = pf4et[1];
  etparameters[2] = pf4et[2];
  //phiparameters[0]=pf4phi[0];
  addfunction(PFtype4, ET, etparameters);
  addfunction(PFtype4, PHI, pf4phi);  //use the same functional form for photon phi error as for pT, pass whole vector

  // PF objects:
  // type 5:
  std::vector<double> pf5et = iConfig.getParameter<std::vector<double> >("PF_EtResType5");
  std::vector<double> pf5phi = iConfig.getParameter<std::vector<double> >("PF_PhiResType5");
  etparameters[0] = pf5et[0];
  etparameters[1] = pf5et[1];
  etparameters[2] = pf5et[2];
  phiparameters[0] = pf5phi[0];
  addfunction(PFtype5, ET, etparameters);
  addfunction(PFtype5, PHI, pf5phi);

  // PF objects:
  // type 6:
  std::vector<double> pf6et = iConfig.getParameter<std::vector<double> >("PF_EtResType6");
  std::vector<double> pf6phi = iConfig.getParameter<std::vector<double> >("PF_PhiResType6");
  etparameters[0] = pf6et[0];
  etparameters[1] = pf6et[1];
  etparameters[2] = pf6et[2];
  phiparameters[0] = pf6phi[0];
  addfunction(PFtype6, ET, etparameters);
  addfunction(PFtype6, PHI, phiparameters);

  // PF objects:
  // type 7:
  std::vector<double> pf7et = iConfig.getParameter<std::vector<double> >("PF_EtResType7");
  std::vector<double> pf7phi = iConfig.getParameter<std::vector<double> >("PF_PhiResType7");
  etparameters[0] = pf7et[0];
  etparameters[1] = pf7et[1];
  etparameters[2] = pf7et[2];
  phiparameters[0] = pf7phi[0];
  addfunction(PFtype7, ET, etparameters);
  addfunction(PFtype7, PHI, phiparameters);

  return;
}

ElectronPtResolution()

double metsig::SignAlgoResolutions::ElectronPtResolution ( const reco::PFCandidate *  c ) const

private

Definition at line 408 of file SignAlgoResolutions.cc.

References HltBtagPostValidation_cff::c, hcalRecHitTable_cff::energy, and PVValHelper::eta.

                                                                                     {
  double eta = c->eta();
  double energy = c->energy();
  double dEnergy = pfresol_->getEnergyResolutionEm(energy, eta);

  return dEnergy / cosh(eta);
}

EtFunction()

double metsig::SignAlgoResolutions::EtFunction ( const functionPars &  x, const functionPars &  par  ) const

private

Definition at line 344 of file SignAlgoResolutions.cc.

References EgHLTOffHistBins_cfi::et, mps_fire::result, mathSSE::sqrt(), and x.

                                                                                                 {
  if (par.size() < 3)
    return 0.;
  if (x.empty())
    return 0.;
  double et = x[0];
  if (et <= 0.)
    return 0.;
  double result = et * sqrt((par[2] * par[2]) + (par[1] * par[1] / et) + (par[0] * par[0] / (et * et)));
  return result;
}

eval() [1/2]

double metsig::SignAlgoResolutions::eval	(	const resolutionType &	type,
		const resolutionFunc &	func,
		const double &	et,
		const double &	phi,
		const double &	eta,
		const double &	p
	)		const

Definition at line 49 of file SignAlgoResolutions.cc.

References EgHLTOffHistBins_cfi::et, PVValHelper::eta, EcalMonitorTask_cff::func, class-composition::getfunc, AlCaHLTBitMon_ParallelJobs::p, and x.

Referenced by PFMEtSignInterfaceBase::compResolution().

                                                                {
  functionPars x(4);
  x[0] = et;
  x[1] = phi;
  x[2] = eta;
  x[3] = p;
  //  std::cout << "getting function of type " << type << " " << func << " " << x[0] << " " << x[1] << " " << x[2] << " " << x[3] << std::endl;
  return getfunc(type, func, x);
}

eval() [2/2]

double metsig::SignAlgoResolutions::eval	(	const resolutionType &	type,
		const resolutionFunc &	func,
		const double &	et,
		const double &	phi,
		const double &	eta
	)		const

Definition at line 38 of file SignAlgoResolutions.cc.

References EgHLTOffHistBins_cfi::et, PVValHelper::eta, JetChargeProducer_cfi::exp, EcalMonitorTask_cff::func, AlCaHLTBitMon_ParallelJobs::p, funct::sin(), and theta().

                                                                  {
  // derive p from et and eta;
  double theta = 2 * atan(exp(-eta));
  double p = et / sin(theta);  // rough assumption: take e and p equivalent...
  return eval(type, func, et, phi, eta, p);
}

evalPF()

metsig::SigInputObj metsig::SignAlgoResolutions::evalPF

(

const reco::PFCandidate *

candidate

)

const

Definition at line 64 of file SignAlgoResolutions.cc.

References reco::LeafCandidate::energy(), EgHLTOffHistBins_cfi::et, metsig::ET, PVValHelper::eta, reco::LeafCandidate::eta(), edm::Ref< C, T, F >::isNull(), Skims_PA_cff::name, reco::PFCandidate::particleId(), metsig::PFtype1, metsig::PFtype2, metsig::PFtype3, metsig::PFtype4, metsig::PFtype5, metsig::PFtype6, metsig::PFtype7, metsig::PHI, reco::LeafCandidate::phi(), funct::sin(), AlCaHLTBitMon_QueryRunRegistry::string, reco::LeafCandidate::theta(), and reco::PFCandidate::trackRef().

Referenced by PFMEtSignInterfaceBase::compResolution().

                                                                                          {
  double eta = candidate->eta();
  double phi = candidate->phi();
  double et = candidate->energy() * sin(candidate->theta());
  resolutionType thetype;
  std::string name;
  int type = candidate->particleId();
  switch (type) {
    case 1:
      thetype = PFtype1;
      name = "PFChargedHadron";
      break;
    case 2:
      thetype = PFtype2;
      name = "PFChargedEM";
      break;
    case 3:
      thetype = PFtype3;
      name = "PFMuon";
      break;
    case 4:
      thetype = PFtype4;
      name = "PFNeutralEM";
      break;
    case 5:
      thetype = PFtype5;
      name = "PFNeutralHadron";
      break;
    case 6:
      thetype = PFtype6;
      name = "PFtype6";
      break;
    case 7:
      thetype = PFtype7;
      name = "PFtype7";
      break;
    default:
      thetype = PFtype7;
      name = "PFunknown";
      break;
  }

  double d_et = 0, d_phi = 0;  //d_phi here is the error on phi component of the et
  reco::TrackRef trackRef = candidate->trackRef();
  if (!trackRef.isNull()) {
    d_phi = et * trackRef->phiError();
    d_et = (type == 2) ? ElectronPtResolution(candidate) : trackRef->ptError();
    //if(type==2) std::cout << eval(thetype,ET,et,phi,eta) << "    " << trackRef->ptError() << "    "<< ElectronPtResolution(candidate) << std::endl;
  } else {
    d_et = eval(thetype, ET, et, phi, eta);
    d_phi = eval(thetype, PHI, et, phi, eta);
  }

  metsig::SigInputObj resultingobj(name, et, phi, d_et, d_phi);
  return resultingobj;
}

evalPFJet()

metsig::SigInputObj metsig::SignAlgoResolutions::evalPFJet

(

const reco::Jet *

jet

)

const

Definition at line 121 of file SignAlgoResolutions.cc.

References JetMETHLTOfflineSource_cfi::feta, hcalRecHitTable_cff::ieta, createfilelist::int, metsig::jet, METSignificanceParams_cfi::jeta, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by PFMEtSignInterfaceBase::compResolution().

                                                                               {
  double jpt = jet->pt();
  double jphi = jet->phi();
  double jeta = jet->eta();
  double jdeltapt = 999.;
  double jdeltapphi = 999.;

  if (jpt < ptResolThreshold_ && jpt < 20.) {  //use temporary fix for low pT jets
    double feta = TMath::Abs(jeta);
    int ieta = feta < 5. ? int(feta / 0.5) : 9;  //bin size = 0.5
    int ipt = jpt > 3. ? int(jpt - 3. / 2) : 0;  //bin size =2, starting from ptmin=3GeV
    jdeltapt = jdpt[ieta][ipt];
    jdeltapphi = jpt * jdphi[ieta][ipt];
  } else {
    //use the resolution functions at |eta|=5 to avoid crash for jets with large eta.
    if (jeta > 5)
      jeta = 5;
    if (jeta < -5)
      jeta = -5;
    double jptForEval = jpt > ptResolThreshold_ ? jpt : ptResolThreshold_;
    jdeltapt = jpt * ptResol_->parameterEtaEval("sigma", jeta, jptForEval);
    jdeltapphi = jpt * phiResol_->parameterEtaEval("sigma", jeta, jptForEval);
  }

  std::string inputtype = "jet";
  metsig::SigInputObj obj_jet(inputtype, jpt, jphi, jdeltapt, jdeltapphi);
  //std::cout << "RESOLUTIONS JET: " << jpt << "   " << jphi<< "   " <<jdeltapt << "   " << jdeltapphi << std::endl;
  return obj_jet;
}

getfunc()

double metsig::SignAlgoResolutions::getfunc ( const resolutionType &  type, const resolutionFunc &  func, std::vector< double > &  x  ) const

private

Definition at line 317 of file SignAlgoResolutions.cc.

References metsig::CONSTPHI, metsig::ET, EcalMonitorTask_cff::func, metsig::PHI, mps_fire::result, edm::second(), metsig::TRACKP, contentValuesCheck::values, and x.

                                                                   {
  double result = 0;
  functionCombo mypair(type, func);

  if (functionmap_.count(mypair) == 0) {
    return result;
  }

  functionPars values = (functionmap_.find(mypair))->second;
  switch (func) {
    case metsig::ET:
      return EtFunction(x, values);
    case metsig::PHI:
      return PhiFunction(x, values);
    case metsig::TRACKP:
      return PFunction(x, values);
    case metsig::CONSTPHI:
      return PhiConstFunction(x, values);
  }

  //  std::cout << "returning function " << type << " " << func << " " << result << " " << x[0] << std::endl;

  return result;
}

initializeJetResolutions()

void metsig::SignAlgoResolutions::initializeJetResolutions ( const edm::ParameterSet &  iConfig )

private

Definition at line 380 of file SignAlgoResolutions.cc.

References DMR_cfg::cerr, runTheMatrix::cmssw_base, edm::ParameterSet::getParameter(), castor_dqm_sourceclient_file_cfg::path, METSigParams_cfi::resolutionsAlgo, METSigParams_cfi::resolutionsEra, edm_modernize_messagelogger::stat, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by addResolutions().

                                                                                       {
  using namespace std;

  // only reinitialize the resolutsion if the pointers are zero
  if (ptResol_ == nullptr) {
    string resolutionsAlgo = iConfig.getParameter<std::string>("resolutionsAlgo");
    string resolutionsEra = iConfig.getParameter<std::string>("resolutionsEra");

    string cmssw_base(std::getenv("CMSSW_BASE"));
    string cmssw_release_base(std::getenv("CMSSW_RELEASE_BASE"));
    string path = cmssw_base + "/src/CondFormats/JetMETObjects/data";
    struct stat st;
    if (stat(path.c_str(), &st) != 0) {
      path = cmssw_release_base + "/src/CondFormats/JetMETObjects/data";
    }
    if (stat(path.c_str(), &st) != 0) {
      cerr << "ERROR: tried to set path but failed, abort." << endl;
    }
    const string &era(resolutionsEra);
    const string &alg(resolutionsAlgo);
    string ptFileName = path + "/" + era + "_PtResolution_" + alg + ".txt";
    string phiFileName = path + "/" + era + "_PhiResolution_" + alg + ".txt";

    ptResol_ = new JetResolution(ptFileName, false);
    phiResol_ = new JetResolution(phiFileName, false);
  }
}

isFilled()

bool metsig::SignAlgoResolutions::isFilled ( ) const

inline

Definition at line 80 of file SignAlgoResolutions.h.

References functionmap_.

{ return !functionmap_.empty(); }

PFunction()

double metsig::SignAlgoResolutions::PFunction ( const functionPars &  x, const functionPars &  par  ) const

private

Definition at line 371 of file SignAlgoResolutions.cc.

                                                                                                {
  // not currently implemented
  return 0;
}

PhiConstFunction()

double metsig::SignAlgoResolutions::PhiConstFunction ( const functionPars &  x, const functionPars &  par  ) const

private

Definition at line 376 of file SignAlgoResolutions.cc.

                                                                                                       {
  return par[0];
}

PhiFunction()

double metsig::SignAlgoResolutions::PhiFunction ( const functionPars &  x, const functionPars &  par  ) const

private

Definition at line 356 of file SignAlgoResolutions.cc.

References EgHLTOffHistBins_cfi::et, mathSSE::sqrt(), and x.

                                                                                                  {
  double et = x[0];
  if (et <= 0.) {
    return 0.;
  }

  //if 1 parameter is C provided, returns C*pT, if three parameters N, S, C are provided, it returns the usual resolution value, as for sigmaPt
  if (par.size() != 1 && par.size() != 3) {  //only 1 or 3 parameters supported for phi function
    return 0.;
  } else if (par.size() == 1) {
    return par[0] * et;
  } else {
    return et * sqrt((par[2] * par[2]) + (par[1] * par[1] / et) + (par[0] * par[0] / (et * et)));
  }
}

Member Data Documentation

functionmap_

std::map<functionCombo, functionPars> metsig::SignAlgoResolutions::functionmap_

private

Definition at line 89 of file SignAlgoResolutions.h.

Referenced by isFilled().

jdphi

std::vector<double> metsig::SignAlgoResolutions::jdphi[10]

private

Definition at line 102 of file SignAlgoResolutions.h.

jdpt

std::vector<double> metsig::SignAlgoResolutions::jdpt[10]

private

Definition at line 101 of file SignAlgoResolutions.h.

pfresol_

PFEnergyResolution* metsig::SignAlgoResolutions::pfresol_

private

Definition at line 106 of file SignAlgoResolutions.h.

phiResol_

JetResolution* metsig::SignAlgoResolutions::phiResol_

private

Definition at line 105 of file SignAlgoResolutions.h.

ptResol_

JetResolution* metsig::SignAlgoResolutions::ptResol_

private

Definition at line 104 of file SignAlgoResolutions.h.

ptResolThreshold_

double metsig::SignAlgoResolutions::ptResolThreshold_

private

Definition at line 97 of file SignAlgoResolutions.h.