Inheritance diagram for EGRegressionModifierV1:

Classes
struct	CondNames

Public Member Functions
	EGRegressionModifierV1 (const edm::ParameterSet &conf, edm::ConsumesCollector &cc)

void	modifyObject (reco::GsfElectron &) const final

void	modifyObject (reco::Photon &) const final

void	modifyObject (pat::Electron &ele) const final

void	modifyObject (pat::Photon &pho) const final

void	setEvent (const edm::Event &) final

void	setEventContent (const edm::EventSetup &) final

Public Member Functions inherited from ModifyObjectValueBase
virtual void	modifyObject (reco::Muon &) const

virtual void	modifyObject (reco::BaseTau &) const

virtual void	modifyObject (reco::Jet &) const

virtual void	modifyObject (pat::Muon &) const

virtual void	modifyObject (pat::Tau &) const

virtual void	modifyObject (pat::Jet &) const

	ModifyObjectValueBase (const edm::ParameterSet &conf)

const std::string &	name () const

virtual	~ModifyObjectValueBase ()

Private Attributes
const bool	applyExtraHighEnergyProtection_

const bool	autoDetectBunchSpacing_

int	bunchspacing_

edm::EDGetTokenT< unsigned int >	bunchSpacingToken_

edm::ESHandle< CaloGeometry >	caloGeomH_

std::string	condNamesWeight25ns_

std::string	condNamesWeight50ns_

CondNames	eleCondNames_

std::vector< const GBRForestD * >	eleForestsMean_

std::vector< const GBRForestD * >	eleForestsSigma_

const GBRForest *	epForest_

int	nVtx_

CondNames	phoCondNames_

std::vector< const GBRForestD * >	phoForestsMean_

std::vector< const GBRForestD * >	phoForestsSigma_

edm::EDGetTokenT< double >	rhoToken_

float	rhoValue_

edm::Handle< reco::VertexCollection >	vtxH_

edm::EDGetTokenT< reco::VertexCollection >	vtxToken_

Detailed Description

Definition at line 18 of file EGRegressionModifierV1.cc.

Constructor & Destructor Documentation

EGRegressionModifierV1::EGRegressionModifierV1	(	const edm::ParameterSet &	conf,
		edm::ConsumesCollector &	cc
	)

Definition at line 68 of file EGRegressionModifierV1.cc.

References autoDetectBunchSpacing_, bunchSpacingToken_, condNamesWeight25ns_, condNamesWeight50ns_, edm::ConsumesCollector::consumes(), eleCondNames_, lowPtElectrons_cff::electrons, edm::ParameterSet::getParameter(), EGRegressionModifierV1::CondNames::mean50ns, phoCondNames_, muons_cff::photons, and AlCaHLTBitMon_QueryRunRegistry::string.

   : ModifyObjectValueBase(conf)
   , autoDetectBunchSpacing_(conf.getParameter<bool>("autoDetectBunchSpacing"))
   , bunchspacing_(autoDetectBunchSpacing_ ? 450 : conf.getParameter<int>("manualBunchSpacing"))
   , rhoToken_(cc.consumes<double>(conf.getParameter<edm::InputTag>("rhoCollection")))
   , vtxToken_(cc.consumes<reco::VertexCollection>(conf.getParameter<edm::InputTag>("vertexCollection")))
   , applyExtraHighEnergyProtection_(conf.getParameter<bool>("applyExtraHighEnergyProtection"))
 {
   if (autoDetectBunchSpacing_)
     bunchSpacingToken_ = cc.consumes<unsigned int>(conf.getParameter<edm::InputTag>("bunchSpacingTag"));
 
   const edm::ParameterSet& electrons = conf.getParameter<edm::ParameterSet>("electron_config");
   eleCondNames_ = CondNames {
       .mean50ns  = electrons.getParameter<std::vector<std::string> >("regressionKey_50ns"),
       .sigma50ns = electrons.getParameter<std::vector<std::string> >("uncertaintyKey_50ns"),
       .mean25ns  = electrons.getParameter<std::vector<std::string> >("regressionKey_25ns"),
       .sigma25ns = electrons.getParameter<std::vector<std::string> >("uncertaintyKey_25ns")
   };
   condNamesWeight50ns_  = electrons.getParameter<std::string>("combinationKey_50ns");
   condNamesWeight25ns_  = electrons.getParameter<std::string>("combinationKey_25ns");
 
   const edm::ParameterSet& photons = conf.getParameter<edm::ParameterSet>("photon_config");
   phoCondNames_ = CondNames {
       .mean50ns  = photons.getParameter<std::vector<std::string>>("regressionKey_50ns"),
       .sigma50ns = photons.getParameter<std::vector<std::string>>("uncertaintyKey_50ns"),
       .mean25ns  = photons.getParameter<std::vector<std::string>>("regressionKey_25ns"),
       .sigma25ns = photons.getParameter<std::vector<std::string>>("uncertaintyKey_25ns")
   };
 }

Member Function Documentation

void EGRegressionModifierV1::modifyObject ( reco::GsfElectron & ele ) const

finalvirtual

Reimplemented from ModifyObjectValueBase.

Definition at line 130 of file EGRegressionModifierV1.cc.

                                                                     {
   // regression calculation needs no additional valuemaps
 
   const reco::SuperClusterRef& superClus = ele.superCluster();
   const edm::Ptr<reco::CaloCluster>& theseed = superClus->seed();
   const int numberOfClusters =  superClus->clusters().size();
   const bool missing_clusters = !superClus->clusters()[numberOfClusters-1].isAvailable();
 
   if( missing_clusters ) return ; // do not apply corrections in case of missing info (slimmed MiniAOD electrons)
 
   std::array<float, 33> eval;
   const double rawEnergy = superClus->rawEnergy();
   const auto& ess = ele.showerShape();
 
   // SET INPUTS
   eval[0]  = nVtx_;
   eval[1]  = rawEnergy;
   eval[2]  = superClus->eta();
   eval[3]  = superClus->phi();
   eval[4]  = superClus->etaWidth();
   eval[5]  = superClus->phiWidth();
   eval[6]  = ess.r9;
   eval[7]  = theseed->energy()/rawEnergy;
   eval[8]  = ess.eMax/rawEnergy;
   eval[9]  = ess.e2nd/rawEnergy;
   eval[10] = (ess.eLeft + ess.eRight != 0.f  ? (ess.eLeft-ess.eRight)/(ess.eLeft+ess.eRight) : 0.f);
   eval[11] = (ess.eTop  + ess.eBottom != 0.f ? (ess.eTop-ess.eBottom)/(ess.eTop+ess.eBottom) : 0.f);
   eval[12] = ess.sigmaIetaIeta;
   eval[13] = ess.sigmaIetaIphi;
   eval[14] = ess.sigmaIphiIphi;
   eval[15] = std::max(0,numberOfClusters-1);
 
   // calculate sub-cluster variables
   std::vector<float> clusterRawEnergy;
   clusterRawEnergy.resize(std::max(3, numberOfClusters), 0);
   std::vector<float> clusterDEtaToSeed;
   clusterDEtaToSeed.resize(std::max(3, numberOfClusters), 0);
   std::vector<float> clusterDPhiToSeed;
   clusterDPhiToSeed.resize(std::max(3, numberOfClusters), 0);
   float clusterMaxDR     = 999.;
   float clusterMaxDRDPhi = 999.;
   float clusterMaxDRDEta = 999.;
   float clusterMaxDRRawEnergy = 0.;
 
   size_t iclus = 0;
   float maxDR = 0;
   // loop over all clusters that aren't the seed
   for (auto const& pclus : superClus->clusters())
   {
     if(theseed == pclus )
       continue;
     clusterRawEnergy[iclus]  = pclus->energy();
     clusterDPhiToSeed[iclus] = reco::deltaPhi(pclus->phi(),theseed->phi());
     clusterDEtaToSeed[iclus] = pclus->eta() - theseed->eta();
 
     // find cluster with max dR
     const auto the_dr = reco::deltaR(*pclus, *theseed);
     if(the_dr > maxDR) {
       maxDR = the_dr;
       clusterMaxDR = maxDR;
       clusterMaxDRDPhi = clusterDPhiToSeed[iclus];
       clusterMaxDRDEta = clusterDEtaToSeed[iclus];
       clusterMaxDRRawEnergy = clusterRawEnergy[iclus];
     }
     ++iclus;
   }
 
   eval[16] = clusterMaxDR;
   eval[17] = clusterMaxDRDPhi;
   eval[18] = clusterMaxDRDEta;
   eval[19] = clusterMaxDRRawEnergy/rawEnergy;
   eval[20] = clusterRawEnergy[0]/rawEnergy;
   eval[21] = clusterRawEnergy[1]/rawEnergy;
   eval[22] = clusterRawEnergy[2]/rawEnergy;
   eval[23] = clusterDPhiToSeed[0];
   eval[24] = clusterDPhiToSeed[1];
   eval[25] = clusterDPhiToSeed[2];
   eval[26] = clusterDEtaToSeed[0];
   eval[27] = clusterDEtaToSeed[1];
   eval[28] = clusterDEtaToSeed[2];
 
   // calculate coordinate variables
   const bool isEB = ele.isEB();
   float dummy;
   int iPhi;
   int iEta;
   float cryPhi;
   float cryEta;
   if (ele.isEB())
     egammaTools::localEcalClusterCoordsEB(*theseed, *caloGeomH_, cryEta, cryPhi, iEta, iPhi, dummy, dummy);
   else
     egammaTools::localEcalClusterCoordsEE(*theseed, *caloGeomH_, cryEta, cryPhi, iEta, iPhi, dummy, dummy);
 
   if (isEB) {
     eval[29] = cryEta;
     eval[30] = cryPhi;
     eval[31] = iEta;
     eval[32] = iPhi;
   } else {
     eval[29] = superClus->preshowerEnergy()/superClus->rawEnergy();
   }
 
   //magic numbers for MINUIT-like transformation of BDT output onto limited range
   //(These should be stored inside the conditions object in the future as well)
   constexpr double meanlimlow  = 0.2;
   constexpr double meanlimhigh = 2.0;
   constexpr double meanoffset  = meanlimlow + 0.5*(meanlimhigh-meanlimlow);
   constexpr double meanscale   = 0.5*(meanlimhigh-meanlimlow);
 
   constexpr double sigmalimlow  = 0.0002;
   constexpr double sigmalimhigh = 0.5;
   constexpr double sigmaoffset  = sigmalimlow + 0.5*(sigmalimhigh-sigmalimlow);
   constexpr double sigmascale   = 0.5*(sigmalimhigh-sigmalimlow);
 
   const int coridx = isEB ? 0 : 1;
 
   //these are the actual BDT responses
   double rawmean = eleForestsMean_[coridx]->GetResponse(eval.data());
   double rawsigma = eleForestsSigma_[coridx]->GetResponse(eval.data());
 
   //apply transformation to limited output range (matching the training)
   double mean = meanoffset + meanscale*vdt::fast_sin(rawmean);
   double sigma = sigmaoffset + sigmascale*vdt::fast_sin(rawsigma);
 
   //regression target is ln(Etrue/Eraw)
   //so corrected energy is ecor=exp(mean)*e, uncertainty is exp(mean)*eraw*sigma=ecor*sigma
   double ecor = mean*(eval[1]);
   if (!isEB)
     ecor = mean*(eval[1]+superClus->preshowerEnergy());
   const double sigmacor = sigma*ecor;
 
   ele.setCorrectedEcalEnergy(ecor);
   ele.setCorrectedEcalEnergyError(sigmacor);
 
   // E-p combination
   std::array<float, 11> eval_ep;
 
   const float ep = ele.trackMomentumAtVtx().R();
   const float tot_energy = superClus->rawEnergy()+superClus->preshowerEnergy();
   const float momentumError = ele.trackMomentumError();
   const float trkMomentumRelError = ele.trackMomentumError()/ep;
   const float eOverP = tot_energy*mean/ep;
   eval_ep[0] = tot_energy*mean;
   eval_ep[1] = sigma/mean;
   eval_ep[2] = ep;
   eval_ep[3] = trkMomentumRelError;
   eval_ep[4] = sigma/mean/trkMomentumRelError;
   eval_ep[5] = tot_energy*mean/ep;
   eval_ep[6] = tot_energy*mean/ep*sqrt(sigma/mean*sigma/mean+trkMomentumRelError*trkMomentumRelError);
   eval_ep[7] = ele.ecalDriven();
   eval_ep[8] = ele.trackerDrivenSeed();
   eval_ep[9] = int(ele.classification());//eleClass;
   eval_ep[10] = isEB;
 
   // CODE FOR FUTURE SEMI_PARAMETRIC
   //double rawweight = ep_forestsMean_[coridx]->GetResponse(eval_ep.data());
   //double weight = meanoffset + meanscale*vdt::fast_sin(rawweight);
 
   // CODE FOR STANDARD BDT
   double weight = 0.;
   if ( eOverP > 0.025 &&
        std::abs(ep-ecor) < 15.*std::sqrt( momentumError*momentumError + sigmacor*sigmacor ) &&
        (!applyExtraHighEnergyProtection_ || ((momentumError < 10.*ep) || (ecor < 200.)))
        ) {
     // protection against crazy track measurement
     weight = std::clamp(epForest_->GetResponse(eval_ep.data()), 0., 1.);
   }
 
   double combinedMomentum = weight*ele.trackMomentumAtVtx().R() + (1.-weight)*ecor;
   double combinedMomentumError = sqrt(weight*weight*ele.trackMomentumError()*ele.trackMomentumError() + (1.-weight)*(1.-weight)*sigmacor*sigmacor);
 
   math::XYZTLorentzVector oldMomentum = ele.p4();
   math::XYZTLorentzVector newMomentum( oldMomentum.x()*combinedMomentum/oldMomentum.t(),
                                        oldMomentum.y()*combinedMomentum/oldMomentum.t(),
                                        oldMomentum.z()*combinedMomentum/oldMomentum.t(),
                                        combinedMomentum );
 
   ele.correctMomentum(newMomentum, ele.trackMomentumError(), combinedMomentumError);
 }

void EGRegressionModifierV1::modifyObject ( reco::Photon & pho ) const

finalvirtual

this is 1*abs(ieta)/ieta in original training

duplicated variables but this was trained like that

Reimplemented from ModifyObjectValueBase.

Definition at line 312 of file EGRegressionModifierV1.cc.

References funct::abs(), reco::deltaPhi(), reco::Photon::e5x5(), reco::CaloCluster::energy(), reco::CaloCluster::eta(), reco::Photon::hadronicOverEm(), edm::Ref< C, T, F >::isAvailable(), reco::Photon::isEB(), SiStripPI::max, SiStripPI::mean, nVtx_, reco::CaloCluster::phi(), phoForestsMean_, phoForestsSigma_, reco::Photon::r9(), mathSSE::return(), rhoValue_, reco::CaloCluster::seed(), reco::Photon::setCorrectedEnergy(), reco::Photon::showerShapeVariables(), and reco::Photon::superCluster().

                                                                {
   // regression calculation needs no additional valuemaps
 
   std::array<float, 35> eval;
   const reco::SuperClusterRef& superClus = pho.superCluster();
   const edm::Ptr<reco::CaloCluster>& theseed = superClus->seed();
 
   const int numberOfClusters =  superClus->clusters().size();
   const bool missing_clusters = !superClus->clusters()[numberOfClusters-1].isAvailable();
 
   if( missing_clusters ) return ; // do not apply corrections in case of missing info (slimmed MiniAOD electrons)
 
   const double rawEnergy = superClus->rawEnergy();
   const auto& ess = pho.showerShapeVariables();
 
   // SET INPUTS
   eval[0]  = rawEnergy;
   eval[1]  = pho.r9();
   eval[2]  = superClus->etaWidth();
   eval[3]  = superClus->phiWidth();
   eval[4]  = std::max(0,numberOfClusters - 1);
   eval[5]  = pho.hadronicOverEm();
   eval[6]  = rhoValue_;
   eval[7]  = nVtx_;
   eval[8] = theseed->eta()-superClus->position().Eta();
   eval[9] = reco::deltaPhi(theseed->phi(),superClus->position().Phi());
   eval[10] = theseed->energy()/rawEnergy;
   eval[11] = ess.e3x3/ess.e5x5;
   eval[12] = ess.sigmaIetaIeta;
   eval[13] = ess.sigmaIphiIphi;
   eval[14] = ess.sigmaIetaIphi/(ess.sigmaIphiIphi*ess.sigmaIetaIeta);
   eval[15] = ess.maxEnergyXtal/ess.e5x5;
   eval[16] = ess.e2nd/ess.e5x5;
   eval[17] = ess.eTop/ess.e5x5;
   eval[18] = ess.eBottom/ess.e5x5;
   eval[19] = ess.eLeft/ess.e5x5;
   eval[20] = ess.eRight/ess.e5x5;
   eval[21] = ess.e2x5Max/ess.e5x5;
   eval[22] = ess.e2x5Left/ess.e5x5;
   eval[23] = ess.e2x5Right/ess.e5x5;
   eval[24] = ess.e2x5Top/ess.e5x5;
   eval[25] = ess.e2x5Bottom/ess.e5x5;
 
   const bool isEB = pho.isEB();
   if (isEB) {
     EBDetId ebseedid(theseed->seed());
     eval[26] = pho.e5x5()/theseed->energy();
     int ieta = ebseedid.ieta();
     int iphi = ebseedid.iphi();
     eval[27] = ieta;
     eval[28] = iphi;
     int signieta = ieta > 0 ? +1 : -1; 
     eval[29] = (ieta-signieta)%5;
     eval[30] = (iphi-1)%2;
     eval[31] = (abs(ieta)<=25)*((ieta-signieta)) + (abs(ieta)>25)*((ieta-26*signieta)%20);
     eval[32] = (iphi-1)%20;
     eval[33] = ieta;  
     eval[34] = iphi;  
   } else {
     EEDetId eeseedid(theseed->seed());
     eval[26] = superClus->preshowerEnergy()/rawEnergy;
     eval[27] = superClus->preshowerEnergyPlane1()/rawEnergy;
     eval[28] = superClus->preshowerEnergyPlane2()/rawEnergy;
     eval[29] = eeseedid.ix();
     eval[30] = eeseedid.iy();
   }
 
   //magic numbers for MINUIT-like transformation of BDT output onto limited range
   //(These should be stored inside the conditions object in the future as well)
   const double meanlimlow  = 0.2;
   const double meanlimhigh = 2.0;
   const double meanoffset  = meanlimlow + 0.5*(meanlimhigh-meanlimlow);
   const double meanscale   = 0.5*(meanlimhigh-meanlimlow);
 
   const double sigmalimlow  = 0.0002;
   const double sigmalimhigh = 0.5;
   const double sigmaoffset  = sigmalimlow + 0.5*(sigmalimhigh-sigmalimlow);
   const double sigmascale   = 0.5*(sigmalimhigh-sigmalimlow);
 
   const int coridx = isEB ? 0 : 1;
 
   //these are the actual BDT responses
   const double rawmean = phoForestsMean_[coridx]->GetResponse(eval.data());
   const double rawsigma = phoForestsSigma_[coridx]->GetResponse(eval.data());
   //apply transformation to limited output range (matching the training)
   const double mean = meanoffset + meanscale*vdt::fast_sin(rawmean);
   const double sigma = sigmaoffset + sigmascale*vdt::fast_sin(rawsigma);
 
   //regression target is ln(Etrue/Eraw)
   //so corrected energy is ecor=exp(mean)*e, uncertainty is exp(mean)*eraw*sigma=ecor*sigma
   const double ecor = isEB ? mean*eval[0] : mean*(eval[0]+superClus->preshowerEnergy());
 
   const double sigmacor = sigma*ecor;
   pho.setCorrectedEnergy(reco::Photon::P4type::regression2, ecor, sigmacor, true);
 }

void EGRegressionModifierV1::modifyObject ( pat::Electron & ele ) const

inlinefinalvirtual

Reimplemented from ModifyObjectValueBase.

Definition at line 30 of file EGRegressionModifierV1.cc.

References modifyObject().

Referenced by modifyObject().

30 { modifyObject(static_cast<reco::GsfElectron&>(ele)); }

EGRegressionModifierV1::modifyObject

void modifyObject(reco::GsfElectron &) const final

Definition: EGRegressionModifierV1.cc:130

void EGRegressionModifierV1::modifyObject ( pat::Photon & pho ) const

inlinefinalvirtual

Reimplemented from ModifyObjectValueBase.

Definition at line 31 of file EGRegressionModifierV1.cc.

References modifyObject().

Referenced by modifyObject().

31 { modifyObject(static_cast<reco::Photon&>(pho)); }

EGRegressionModifierV1::modifyObject

void modifyObject(reco::GsfElectron &) const final

Definition: EGRegressionModifierV1.cc:130

void EGRegressionModifierV1::setEvent ( const edm::Event & evt )

finalvirtual

Reimplemented from ModifyObjectValueBase.

Definition at line 98 of file EGRegressionModifierV1.cc.

References autoDetectBunchSpacing_, bunchspacing_, bunchSpacingToken_, edm::Event::getByToken(), nVtx_, rhoToken_, rhoValue_, vtxH_, and vtxToken_.

 {
   if (autoDetectBunchSpacing_) {
       edm::Handle<unsigned int> bunchSpacingH;
       evt.getByToken(bunchSpacingToken_,bunchSpacingH);
       bunchspacing_ = *bunchSpacingH;
   }
 
   edm::Handle<double> rhoH;
   evt.getByToken(rhoToken_, rhoH);
   rhoValue_ = *rhoH;
 
   evt.getByToken(vtxToken_, vtxH_);
   nVtx_ = vtxH_->size();
 }

void EGRegressionModifierV1::setEventContent ( const edm::EventSetup & evs )

finalvirtual

Reimplemented from ModifyObjectValueBase.

Definition at line 114 of file EGRegressionModifierV1.cc.

References bunchspacing_, caloGeomH_, condNamesWeight25ns_, condNamesWeight50ns_, eleCondNames_, eleForestsMean_, eleForestsSigma_, epForest_, edm::EventSetup::get(), EGRegressionModifierV1::CondNames::mean25ns, EGRegressionModifierV1::CondNames::mean50ns, phoCondNames_, phoForestsMean_, phoForestsSigma_, edm::ESHandle< T >::product(), retrieveGBRForests(), EGRegressionModifierV1::CondNames::sigma25ns, EGRegressionModifierV1::CondNames::sigma50ns, and AlCaHLTBitMon_QueryRunRegistry::string.

 {
   evs.get<CaloGeometryRecord>().get(caloGeomH_);
 
   phoForestsMean_ = retrieveGBRForests(evs, (bunchspacing_ == 25) ? phoCondNames_.mean25ns  : phoCondNames_.mean50ns);
   phoForestsSigma_ = retrieveGBRForests(evs, (bunchspacing_ == 25) ? phoCondNames_.sigma25ns  : phoCondNames_.sigma50ns);
 
   eleForestsMean_ = retrieveGBRForests(evs, (bunchspacing_ == 25) ? eleCondNames_.mean25ns  : eleCondNames_.mean50ns);
   eleForestsSigma_ = retrieveGBRForests(evs, (bunchspacing_ == 25) ? eleCondNames_.sigma25ns  : eleCondNames_.sigma50ns);
 
   edm::ESHandle<GBRForest> forestEH;
   const std::string ep_condnames_weight  = (bunchspacing_ == 25) ? condNamesWeight25ns_  : condNamesWeight50ns_;
   evs.get<GBRWrapperRcd>().get(ep_condnames_weight, forestEH);
   epForest_ = forestEH.product();
 }