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lethuill |
1.5 |
#include "../interface/PhotonAnalyzer.h"
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mlethuil |
1.1 |
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using namespace std;
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using namespace reco;
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using namespace edm;
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| 7 |
lethuill |
1.2 |
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lethuill |
1.10 |
PhotonAnalyzer::PhotonAnalyzer(const edm::ParameterSet& producersNames, const edm::ParameterSet& myConfig, int verbosity):verbosity_(verbosity), iconvtrack_(0)
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lethuill |
1.2 |
{
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lethuill |
1.14 |
dataType_ = producersNames.getUntrackedParameter<string>("dataType","unknown");
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photonProducer_ = producersNames.getParameter<edm::InputTag>("photonProducer");
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photonIDProducer_ = producersNames.getParameter<edm::InputTag>("photonIDProducer");
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doPhotonConversion_ = myConfig.getUntrackedParameter<bool>("doPhotonConversion", false);
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doVertexCorrection_ = myConfig.getUntrackedParameter<bool>("doPhotonVertexCorrection", false);
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useMC_ = myConfig.getUntrackedParameter<bool>("doMuonMC", false);
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allowMissingCollection_ = producersNames.getUntrackedParameter<bool>("allowMissingCollection", false);
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lethuill |
1.2 |
}
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lethuill |
1.14 |
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mlethuil |
1.1 |
PhotonAnalyzer::~PhotonAnalyzer()
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{
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}
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lethuill |
1.14 |
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bool PhotonAnalyzer::process(const edm::Event& iEvent, const edm::EventSetup& iSetup, TRootEvent* rootEvent, TClonesArray* rootPhotons, TClonesArray* conversionTracks, ConversionLikelihoodCalculator* convLikelihoodCalculator, EcalClusterLazyTools* lazyTools)
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mlethuil |
1.1 |
{
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lethuill |
1.14 |
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unsigned int nPhotons=0;
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mlethuil |
1.1 |
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| 30 |
lethuill |
1.14 |
bool doPhotonID = true;
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edm::Handle< reco::PhotonCollection > recoPhotons;
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const reco::PhotonIDAssociationCollection *photonIDMap = 0;
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if( dataType_=="RECO" )
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{
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try
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{
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iEvent.getByLabel(photonProducer_, recoPhotons);
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nPhotons = recoPhotons->size();
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}
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catch (cms::Exception& exception)
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{
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if ( !allowMissingCollection_ )
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{
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cout << " ##### ERROR IN PhotonAnalyzer::process => reco::Photon collection is missing #####"<<endl;
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throw exception;
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}
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if(verbosity_>1) cout << " ===> No reco::Photon collection, skip photons info" << endl;
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return false;
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}
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// Photon identification
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try
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{
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edm::Handle<reco::PhotonIDAssociationCollection> photonIDMapColl;
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iEvent.getByLabel(photonIDProducer_, photonIDMapColl);
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photonIDMap = photonIDMapColl.product();
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}
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catch (cms::Exception& exception)
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{
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if ( !allowMissingCollection_ )
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{
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cout << " ##### ERROR IN PhotonAnalyzer::process => reco::PhotonIDAssociation collection is missing #####"<<endl;
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throw exception;
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}
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if(verbosity_>1) cout << " ===> No reco::PhotonIDAssociation collection, skip photonID info" << endl;
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doPhotonID = false;
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}
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}
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edm::Handle < std::vector <pat::Photon> > patPhotons;
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if( dataType_=="PAT" )
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{
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try
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{
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iEvent.getByLabel(photonProducer_, patPhotons);
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nPhotons = patPhotons->size();
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}
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catch (cms::Exception& exception)
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{
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if ( !allowMissingCollection_ )
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{
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cout << " ##### ERROR IN PhotonAnalyzer::process => pat::Photon collection is missing #####"<<endl;
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throw exception;
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}
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if(verbosity_>1) cout << " ===> No pat::Photon collection, skip photons info" << endl;
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return false;
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}
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}
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if(verbosity_>1) std::cout << " Number of photons = " << nPhotons << " Label: " << photonProducer_.label() << " Instance: " << photonProducer_.instance() << std::endl;
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// TODO - add Pi0Disc... not implemented in 2.X.X
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//edm::Handle<reco::PhotonPi0DiscriminatorAssociationMap> pi0map;
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//iEvent.getByLabel("piZeroDiscriminators","PhotonPi0DiscriminatorAssociationMap", pi0map);
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//reco::PhotonPi0DiscriminatorAssociationMap::const_iterator pi0mapIter;
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//Double_t pi0nn;
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for (unsigned int j=0; j<nPhotons; j++)
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{
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const reco::Photon* photon = 0;
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if( dataType_=="RECO" ) photon = &((*recoPhotons)[j]);
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if( dataType_=="PAT" ) photon = (const reco::Photon*) ( & ((*patPhotons)[j]) );
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TRootPhoton localPhoton(
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photon->px()
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,photon->py()
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,photon->pz()
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,photon->energy()
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,photon->vx()
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,photon->vy()
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,photon->vz()
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,photon->pdgId()
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,photon->charge()
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);
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| 119 |
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// Variables from reco::Photon
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localPhoton.setCaloPosition( photon->caloPosition().X(), photon->caloPosition().Y(), photon->caloPosition().Z() );
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localPhoton.setHoE(photon->hadronicOverEm());
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localPhoton.setHasPixelSeed( photon->hasPixelSeed() );
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// Variables from reco::SuperCluster
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reco::SuperClusterRef superCluster = photon->superCluster();
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if ( superCluster.isNonnull() )
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{
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localPhoton.setNbClusters(superCluster->clustersSize());
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localPhoton.setSuperClusterRawEnergy( superCluster->rawEnergy() );
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localPhoton.setPreshowerEnergy(superCluster->preshowerEnergy());
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}
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| 135 |
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// Cluster Shape variables
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// need reco::SuperCluster and reco::BasicCluster
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if ( superCluster.isNonnull() )
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| 138 |
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{
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reco::BasicClusterRef seedBasicCluster = superCluster->seed();
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| 140 |
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if ( seedBasicCluster.isNonnull() ) localPhoton.setClusterAlgo(seedBasicCluster->algo());
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| 141 |
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| 142 |
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// dR of the cone centered on the reco::Photon and containing all its basic clusters constituents
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bool atLeastOneBC = false;
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Float_t caloConeSize = 0.;
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for (reco::basicCluster_iterator basicCluster = (*superCluster).clustersBegin(); basicCluster != (*superCluster).clustersEnd(); ++basicCluster )
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{
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atLeastOneBC = true;
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// Take SC position which is not vertex corrected
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TVector3 scPosition( superCluster->position().x(), superCluster->position().y(), superCluster->position().z() );
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Float_t dR = scPosition.DeltaR( TVector3( (*basicCluster)->position().x(), (*basicCluster)->position().y(), (*basicCluster)->position().z() ) );
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| 151 |
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if (dR > caloConeSize) caloConeSize = dR;
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| 152 |
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}
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| 153 |
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if (! atLeastOneBC) caloConeSize = -999.;
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localPhoton.setCaloConeSize(caloConeSize);
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| 155 |
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| 156 |
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// need reduced Ecal RecHits Collections for EcalClusterLazyTools
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| 157 |
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if ( seedBasicCluster.isNonnull() && lazyTools != 0 )
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| 158 |
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{
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| 159 |
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localPhoton.setE2x2(lazyTools->e2x2(*seedBasicCluster));
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| 160 |
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localPhoton.setE3x3( lazyTools->e3x3(*seedBasicCluster) );
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localPhoton.setE5x5( lazyTools->e5x5(*seedBasicCluster) );
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localPhoton.setEMax( lazyTools->eMax(*seedBasicCluster) );
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}
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| 164 |
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}
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| 165 |
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| 166 |
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| 167 |
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// Photon conversions
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| 168 |
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// Variables from reco::Conversion
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| 169 |
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if( doPhotonConversion_ )
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| 170 |
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{
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| 171 |
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// If more than one associated convertedPhotons is found, then
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| 172 |
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// if nTracks=2, select the convertedPhoton with greatest Likelihood value using Ted's weights file
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| 173 |
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// if nTracks=1, select the convertedPhoton with E/p closest to 1
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| 174 |
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double eoverp;
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| 175 |
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double best_eoverp = 999999.;
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| 176 |
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double likely;
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| 177 |
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double best_likely = -1.;
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| 178 |
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int best_iconv = -1;
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| 179 |
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int best_iconv_likely = -1;
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| 180 |
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int best_iconv_eoverp = -1;
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| 181 |
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| 182 |
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std::vector<reco::ConversionRef> conversions = photon->conversions();
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| 183 |
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for (unsigned int iconv=0; iconv<conversions.size(); iconv++)
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| 184 |
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{
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| 185 |
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if(verbosity_>4) cout << " ["<< setw(3) << iconv << "] Conversion - "
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| 186 |
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<< " conv_vertex (x,y,z)=(" << conversions[iconv]->conversionVertex().x()
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| 187 |
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<< "," << conversions[iconv]->conversionVertex().y()
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| 188 |
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<< "," << conversions[iconv]->conversionVertex().z()
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| 189 |
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<< ") isConverted=" << conversions[iconv]->isConverted()
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| 190 |
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<< " nTracks=" << conversions[iconv]->nTracks()
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| 191 |
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<< " primary_vtx_z=" << conversions[iconv]->zOfPrimaryVertexFromTracks()
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| 192 |
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<< " inv_mass=" << conversions[iconv]->pairInvariantMass()
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| 193 |
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<< " E/p=" << conversions[iconv]->EoverP()
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| 194 |
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<< " cotanTheta=" << conversions[iconv]->pairCotThetaSeparation()
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| 195 |
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<< " likely=" << convLikelihoodCalculator->calculateLikelihood(conversions[iconv])
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| 196 |
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<< endl;
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| 197 |
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| 198 |
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likely = convLikelihoodCalculator->calculateLikelihood(conversions[iconv]);
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| 199 |
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if ( likely>best_likely )
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| 200 |
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{
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| 201 |
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best_iconv_likely = iconv;
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| 202 |
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best_likely = likely;
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| 203 |
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}
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| 204 |
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| 205 |
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eoverp = conversions[iconv]->EoverP();
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| 206 |
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if ( abs(eoverp-1)<abs(best_eoverp-1) )
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| 207 |
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{
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| 208 |
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best_iconv_eoverp = iconv;
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| 209 |
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best_eoverp = eoverp;
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| 210 |
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}
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| 211 |
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}
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| 212 |
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| 213 |
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best_iconv = (best_iconv_likely==-1 ? best_iconv_eoverp : best_iconv_likely);
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| 214 |
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| 215 |
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// Update Photon object with conversion infos
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| 216 |
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if ( best_iconv != -1 )
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| 217 |
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{
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| 218 |
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if(verbosity_>4) cout
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| 219 |
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<< " ===> TRootPhoton[" << j << "] associated to Conversion[" << best_iconv
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| 220 |
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<< "] with E/p=" << conversions[best_iconv]->EoverP()
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| 221 |
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<< " likely=" << convLikelihoodCalculator->calculateLikelihood(conversions[best_iconv])
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| 222 |
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<< endl;
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| 223 |
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| 224 |
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localPhoton.setConvNTracks( conversions[best_iconv]->nTracks() );
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| 225 |
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localPhoton.setConvEoverP( conversions[best_iconv]->EoverP() );
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| 226 |
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localPhoton.setConvMass( conversions[best_iconv]->pairInvariantMass() );
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| 227 |
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localPhoton.setConvCotanTheta( conversions[best_iconv]->pairCotThetaSeparation() );
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| 228 |
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localPhoton.setConvLikely( convLikelihoodCalculator->calculateLikelihood(conversions[best_iconv]) );
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| 229 |
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localPhoton.setConvVertex( conversions[best_iconv]->conversionVertex().x(), conversions[best_iconv]->conversionVertex().y(), conversions[best_iconv]->conversionVertex().z() );
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| 230 |
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std::vector<math::XYZPoint> impactVector = conversions[best_iconv]->ecalImpactPosition();
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| 231 |
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if ( impactVector.size()>0 ) localPhoton.setConvEcalImpactPosition1( impactVector.at(0).x(), impactVector.at(0).y(), impactVector.at(0).z() );
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| 232 |
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if ( impactVector.size()>1 ) localPhoton.setConvEcalImpactPosition2( impactVector.at(1).x(), impactVector.at(1).y(), impactVector.at(1).z() );
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| 233 |
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| 234 |
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if ( conversionTracks!=0 ) // Check branch is activated
|
| 235 |
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{
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| 236 |
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if ( conversions[best_iconv]->nTracks()>0 )
|
| 237 |
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{
|
| 238 |
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std::vector<reco::TrackRef> tracks = conversions[best_iconv]->tracks();
|
| 239 |
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reco::TrackRef tk1 = tracks.at(0);
|
| 240 |
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const reco::HitPattern& hit1 = tk1->hitPattern();
|
| 241 |
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new( (*conversionTracks)[iconvtrack_] ) TRootTrack( tk1->px(), tk1->py(), tk1->pz(), tk1->p(), tk1->vx(), tk1->vy(), tk1->vz(), 0, tk1->charge()
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| 242 |
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,hit1.pixelLayersWithMeasurement(), hit1.stripLayersWithMeasurement(), tk1->chi2(), tk1->d0(), tk1->d0Error(), tk1->dz(), tk1->dzError() );
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| 243 |
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localPhoton.setConvIndexTrack1(iconvtrack_);
|
| 244 |
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localPhoton.setConvTrack1((*conversionTracks)[iconvtrack_]);
|
| 245 |
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iconvtrack_++;
|
| 246 |
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| 247 |
|
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if ( conversions[best_iconv]->nTracks()>1 )
|
| 248 |
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{
|
| 249 |
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reco::TrackRef tk2 = tracks.at(1);
|
| 250 |
|
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const reco::HitPattern& hit2 = tk2->hitPattern();
|
| 251 |
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new( (*conversionTracks)[iconvtrack_] ) TRootTrack( tk2->px(), tk2->py(), tk2->pz(), tk2->p(), tk2->vx(), tk2->vy(), tk2->vz(), 0, tk2->charge()
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| 252 |
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,hit2.pixelLayersWithMeasurement(), hit2.stripLayersWithMeasurement(), tk2->chi2(), tk2->d0(), tk2->d0Error(), tk2->dz(), tk2->dzError() );
|
| 253 |
|
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localPhoton.setConvIndexTrack2(iconvtrack_);
|
| 254 |
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localPhoton.setConvTrack2((*conversionTracks)[iconvtrack_]);
|
| 255 |
|
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iconvtrack_++;
|
| 256 |
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}
|
| 257 |
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}
|
| 258 |
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}
|
| 259 |
|
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}
|
| 260 |
|
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}
|
| 261 |
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|
| 262 |
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| 263 |
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| 264 |
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| 265 |
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|
| 266 |
|
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if( dataType_=="RECO" )
|
| 267 |
|
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{
|
| 268 |
|
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// Some specific methods requiring RECO / AOD format
|
| 269 |
|
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// Do association to genParticle ?
|
| 270 |
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|
| 271 |
|
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if (doPhotonID)
|
| 272 |
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{
|
| 273 |
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// Photon ID
|
| 274 |
|
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// need reco::PhotonID and reco::PhotonIDAssociation
|
| 275 |
|
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edm::Ref<reco::PhotonCollection> photonRef(recoPhotons, j);
|
| 276 |
|
|
reco::PhotonIDAssociationCollection::const_iterator photonIter = photonIDMap->find(photonRef);
|
| 277 |
|
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const reco::PhotonIDRef &photonID = photonIter->val;
|
| 278 |
|
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//const reco::PhotonRef &photon = photonIter->key;
|
| 279 |
|
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localPhoton.setBitsID(
|
| 280 |
|
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photonID->isLooseEM()
|
| 281 |
|
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,photonID->isLoosePhoton()
|
| 282 |
|
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,photonID->isTightPhoton()
|
| 283 |
|
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,photonID->isEBPho()
|
| 284 |
|
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,photonID->isEEPho()
|
| 285 |
|
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,photonID->isEBGap()
|
| 286 |
|
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,photonID->isEEGap()
|
| 287 |
|
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,photonID->isEBEEGap()
|
| 288 |
|
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,photonID->isAlsoElectron()
|
| 289 |
|
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);
|
| 290 |
|
|
|
| 291 |
|
|
// Photon isolation calculated by PhotonID
|
| 292 |
|
|
// need reco::PhotonID and reco::PhotonIDAssociation
|
| 293 |
|
|
localPhoton.setIsolation(
|
| 294 |
|
|
photonID->isolationEcalRecHit()
|
| 295 |
|
|
,photonID->isolationHcalRecHit()
|
| 296 |
|
|
,photonID->isolationSolidTrkCone()
|
| 297 |
|
|
,photonID->isolationHollowTrkCone()
|
| 298 |
|
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,photonID->nTrkSolidCone()
|
| 299 |
|
|
,photonID->nTrkHollowCone()
|
| 300 |
|
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);
|
| 301 |
|
|
}
|
| 302 |
|
|
|
| 303 |
|
|
/*
|
| 304 |
|
|
if(verbosity_>4) std::cout << "seed E5x5=" << lazyTools->e5x5( *seedBasicCluster )
|
| 305 |
|
|
//<< " pi0NN=" << pi0nn
|
| 306 |
|
|
<< " photonID->isolationEcalRecHit()=" << photonID->isolationEcalRecHit()
|
| 307 |
|
|
<< " photonID->r9()=" << photonID->r9()
|
| 308 |
|
|
<< " e3x3 / SC->energy()=" << ( lazyTools->e3x3( *seedBasicCluster ) / photon->superCluster()->energy() )
|
| 309 |
|
|
<< " e3x3 / SC->rawEnergy()=" << ( lazyTools->e3x3( *seedBasicCluster ) / photon->superCluster()->rawEnergy() )
|
| 310 |
|
|
<< " sc->pos=" << photon->superCluster()->position().X() << " , " << photon->superCluster()->position().Y() << " , " << photon->superCluster()->position().Z()
|
| 311 |
|
|
<< " photon->caloPos=" << photon->caloPosition().X() << " , " << photon->caloPosition().Y() << " , " << photon->caloPosition().Z() << std::endl;
|
| 312 |
|
|
*/
|
| 313 |
|
|
}
|
| 314 |
|
|
|
| 315 |
|
|
|
| 316 |
|
|
if( dataType_=="PAT" )
|
| 317 |
|
|
{
|
| 318 |
|
|
// Some specific methods to pat::Photon
|
| 319 |
|
|
const pat::Photon *patPhoton = dynamic_cast<const pat::Photon*>(&*photon);
|
| 320 |
|
|
|
| 321 |
|
|
// Photon ID
|
| 322 |
|
|
// Use the reco::PhotonID object embeded in pat::Photon
|
| 323 |
|
|
localPhoton.setBitsID(
|
| 324 |
|
|
patPhoton->isLooseEM()
|
| 325 |
|
|
,patPhoton->isLoosePhoton()
|
| 326 |
|
|
,patPhoton->isTightPhoton()
|
| 327 |
|
|
,patPhoton->isEBPho()
|
| 328 |
|
|
,patPhoton->isEEPho()
|
| 329 |
|
|
,patPhoton->isEBGap()
|
| 330 |
|
|
,patPhoton->isEEGap()
|
| 331 |
|
|
,patPhoton->isEBEEGap()
|
| 332 |
|
|
,patPhoton->isAlsoElectron()
|
| 333 |
|
|
);
|
| 334 |
|
|
|
| 335 |
|
|
// Photon isolation calculated by PhotonID
|
| 336 |
|
|
// Use the reco::PhotonID object embeded in pat::Photon
|
| 337 |
|
|
localPhoton.setIsolation(
|
| 338 |
|
|
patPhoton->isolationEcalRecHit()
|
| 339 |
|
|
,patPhoton->isolationHcalRecHit()
|
| 340 |
|
|
,patPhoton->isolationSolidTrkCone()
|
| 341 |
|
|
,patPhoton->isolationHollowTrkCone()
|
| 342 |
|
|
,patPhoton->nTrkSolidCone()
|
| 343 |
|
|
,patPhoton->nTrkHollowCone()
|
| 344 |
|
|
);
|
| 345 |
|
|
|
| 346 |
|
|
|
| 347 |
|
|
if(useMC_)
|
| 348 |
|
|
{
|
| 349 |
|
|
// MC truth associator index
|
| 350 |
|
|
if ((patPhoton->genParticleRef()).isNonnull()) {
|
| 351 |
|
|
localPhoton.setGenParticleIndex((patPhoton->genParticleRef()).index());
|
| 352 |
|
|
} else {
|
| 353 |
|
|
localPhoton.setGenParticleIndex(-1);
|
| 354 |
|
|
}
|
| 355 |
|
|
}
|
| 356 |
|
|
}
|
| 357 |
|
|
|
| 358 |
|
|
|
| 359 |
|
|
// FIXME - Add pi0nn
|
| 360 |
|
|
//pi0mapIter = pi0map->find(edm::Ref<reco::PhotonCollection>(recoPhotons,iPhoton));
|
| 361 |
|
|
//pi0nn = ( pi0mapIter == pi0map->end() ? -1 : pi0mapIter->val );
|
| 362 |
|
|
//localPhoton.setPi0nn( pi0nn );
|
| 363 |
|
|
|
| 364 |
|
|
|
| 365 |
|
|
// Vertex correction to photon - Assume photon is coming from primary vertex
|
| 366 |
|
|
if( doVertexCorrection_)
|
| 367 |
|
|
{
|
| 368 |
|
|
if(verbosity_>3) cout << " Before vertex correction ["<< setw(3) << j << "] " << localPhoton << endl;
|
| 369 |
|
|
if( rootEvent->primaryVertex()!=0 )
|
| 370 |
|
|
{
|
| 371 |
|
|
TVector3 vertex( rootEvent->primaryVertex()->x(), rootEvent->primaryVertex()->y(), rootEvent->primaryVertex()->z() );
|
| 372 |
|
|
localPhoton.setVertex(vertex);
|
| 373 |
|
|
}
|
| 374 |
|
|
else
|
| 375 |
|
|
{
|
| 376 |
|
|
cout << " PhotonAnalyzer - NO SELECTED PRIMARY VERTEX FOUND !!!" << endl;
|
| 377 |
|
|
}
|
| 378 |
|
|
}
|
| 379 |
|
|
|
| 380 |
|
|
|
| 381 |
|
|
// Stock new TRootPhoton in TCloneArray
|
| 382 |
|
|
new( (*rootPhotons)[j] ) TRootPhoton(localPhoton);
|
| 383 |
|
|
if(verbosity_>2) cout << " ["<< setw(3) << j << "] " << localPhoton << endl;
|
| 384 |
|
|
}
|
| 385 |
|
|
|
| 386 |
|
|
return true;
|
| 387 |
lethuill |
1.10 |
}
|
