/data/refman/pasoursint/CMSSW_4_1_8_patch12/src/HLTrigger/HLTanalyzers/src/HLTEgamma.cc

Go to the documentation of this file.

#include <iostream>
#include <sstream>
#include <istream>
#include <fstream>
#include <iomanip>
#include <string>
#include <cmath>
#include <functional>
#include <cstdlib>
#include <cstring>

#include "DataFormats/EgammaReco/interface/ElectronSeed.h"
#include "DataFormats/EgammaReco/interface/ElectronSeedFwd.h"
#include "DataFormats/GsfTrackReco/interface/GsfTrack.h" 
#include "HLTrigger/HLTanalyzers/interface/HLTEgamma.h"



#include "RecoEgamma/EgammaTools/interface/ECALPositionCalculator.h"

#include "FWCore/Framework/interface/EventSetup.h"
#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
#include "MagneticField/Engine/interface/MagneticField.h"

#include "DataFormats/EgammaReco/interface/SuperCluster.h"

#include "HLTMessages.h"

static const size_t kMaxEl     = 10000;
static const size_t kMaxPhot   = 10000;
static const size_t kMaxhPhot  =   500;
static const size_t kMaxhEle   =   500;

HLTEgamma::HLTEgamma() {
}

/*  Setup the analysis to put the branch-variables size_to the tree. */
void HLTEgamma::setup(const edm::ParameterSet& pSet, TTree* HltTree)
{
  elpt              = new float[kMaxEl];
  elphi             = new float[kMaxEl];
  eleta             = new float[kMaxEl];
  elet              = new float[kMaxEl];
  ele               = new float[kMaxEl];
  eleId             = new int[kMaxEl];// RL  + 2*RT + 4*L +  4*T 
  elIP              = new float[kMaxEl];  
  elNLostHits       = new int[kMaxEl];  
  elTrkChi2NDF      = new float[kMaxEl];        
  elTrkIsoR03       = new float[kMaxEl];  
  elECaloIsoR03     = new float[kMaxEl];  
  elHCaloIsoR03     = new float[kMaxEl];  
  elIsEcalDriven    = new bool[kMaxEl];  
  elFbrem           = new float[kMaxEl];      
  elmishits         = new int[kMaxEl]; 
  eldist            = new float[kMaxEl]; 
  eldcot            = new float[kMaxEl]; 
  eltrkiso          = new float[kMaxEl]; 
  elecaliso         = new float[kMaxEl]; 
  elhcaliso         = new float[kMaxEl]; 
  elsigmaietaieta   = new float[kMaxEl]; 
  eldeltaPhiIn      = new float[kMaxEl]; 
  eldeltaEtaIn      = new float[kMaxEl]; 
  elhOverE          = new float[kMaxEl]; 
  elscEt            = new float[kMaxEl]; 
  eld0corr          = new float[kMaxEl]; 
  elqGsfCtfScPixConsistent = new bool[kMaxEl]; 
  
  photonpt          = new float[kMaxPhot];
  photonphi         = new float[kMaxPhot];
  photoneta         = new float[kMaxPhot];
  photonet          = new float[kMaxPhot];
  photone           = new float[kMaxPhot];

  hphotet           = new float[kMaxhPhot];
  hphoteta          = new float[kMaxhPhot];
  hphotphi          = new float[kMaxhPhot];
  hphoteiso         = new float[kMaxhPhot];
  hphothiso         = new float[kMaxhPhot];
  hphottiso         = new float[kMaxhPhot];
  hphotl1iso        = new int[kMaxhPhot];
  hphotClusShap     = new float[kMaxhPhot];
  hphotR9           = new float[kMaxhPhot]; 
  hphothovereh      = new float[kMaxhPhot];
  hphotR9ID         = new float[kMaxhPhot];

  heleet            = new float[kMaxhEle];
  heleeta           = new float[kMaxhEle];
  helephi           = new float[kMaxhEle];
  heleE             = new float[kMaxhEle];
  helep             = new float[kMaxhEle];
  helehiso          = new float[kMaxhEle];
  heleeiso          = new float[kMaxhEle];
  heletiso          = new float[kMaxhEle];
  helel1iso         = new int[kMaxhEle];
  helePixelSeeds    = new int[kMaxhEle];
  heleNewSC         = new int[kMaxhEle];
  heleClusShap      = new float[kMaxhEle];
  heleDeta          = new float[kMaxhEle];
  heleDphi          = new float[kMaxhEle];
  heleR9            = new float[kMaxhEle]; 
  helehovereh       = new float[kMaxhEle];
  heleR9ID          = new float[kMaxhEle];

  hhfelept         = new float[kMaxhEle];
  hhfeleeta        = new float[kMaxhEle]; 
  hhfclustere9e25  = new float[kMaxhEle]; 
  hhfcluster2Dcut  = new float[kMaxhEle]; 

  nele        = 0;
  nphoton     = 0;
  nhltgam     = 0;
  nhltele     = 0;
  nhlthfele   = 0;
  nhlthfeclus = 0;

  // Egamma-specific branches of the tree
  HltTree->Branch("NrecoElec",          & nele,             "NrecoElec/I");
  HltTree->Branch("recoElecPt",         elpt,               "recoElecPt[NrecoElec]/F");
  HltTree->Branch("recoElecPhi",        elphi,              "recoElecPhi[NrecoElec]/F");
  HltTree->Branch("recoElecEta",        eleta,              "recoElecEta[NrecoElec]/F");
  HltTree->Branch("recoElecEt",         elet,               "recoElecEt[NrecoElec]/F");
  HltTree->Branch("recoElecE",          ele,                "recoElecE[NrecoElec]/F");
  HltTree->Branch("recoElecEleID",      eleId,              "recoElecEleID[NrecoElec]/I");
  HltTree->Branch("recoElecIP",           elIP,            "recoElecIP[NrecoElec]/F");  
  HltTree->Branch("recoElecNLostHits",    elNLostHits,     "recoElecNLostHits[NrecoElec]/I");  
  HltTree->Branch("recoElecChi2NDF",      elTrkChi2NDF,    "recoElecChi2NDF[NrecoElec]/F");  
  HltTree->Branch("recoElecTrkIsoR03",    elTrkIsoR03,     "recoElecTrkIsoR03[NrecoElec]/F");  
  HltTree->Branch("recoElecECaloIsoR03",  elECaloIsoR03,   "recoElecECaloIsoR03[NrecoElec]/F");  
  HltTree->Branch("recoElecHCaloIsoR03",  elHCaloIsoR03,   "recoElecHCaloIsoR03[NrecoElec]/F");  
  HltTree->Branch("recoElecIsEcalDriven", elIsEcalDriven,  "recoElecIsEcalDriven[NrecoElec]/O");        
  HltTree->Branch("recoElecFbrem",        elFbrem,         "recoElecFbrem[NrecoElec]/F");  
  HltTree->Branch("recoElecmishits",                  elmishits,                "recoElecmishits[NrecoElec]/I"); 
  HltTree->Branch("recoElecdist",                     eldist,                   "recoElecdist[NrecoElec]/F"); 
  HltTree->Branch("recoElecdcot",                     eldcot,                   "recoElecdcot[NrecoElec]/F"); 
  HltTree->Branch("recoElectrkiso",                   eltrkiso,                 "recoElectrkiso[NrecoElec]/F"); 
  HltTree->Branch("recoElececaliso",                  elecaliso,                "recoElececaliso[NrecoElec]/F"); 
  HltTree->Branch("recoElechcaliso",                  elhcaliso,                "recoElechcaliso[NrecoElec]/F"); 
  HltTree->Branch("recoElecsigmaietaieta",            elsigmaietaieta,          "recoElecsigmaietaieta[NrecoElec]/F"); 
  HltTree->Branch("recoElecdeltaPhiIn",               eldeltaPhiIn,             "recoElecdeltaPhiIn[NrecoElec]/F"); 
  HltTree->Branch("recoElecdeltaEtaIn",               eldeltaEtaIn,             "recoElecdeltaEtaIn[NrecoElec]/F"); 
  HltTree->Branch("recoElechOverE",                   elhOverE,                 "recoElechOverE[NrecoElec]/F"); 
  HltTree->Branch("recoElecscEt",                     elscEt,                   "recoElecscEt[NrecoElec]/F"); 
  HltTree->Branch("recoElecd0corr",                   eld0corr,                 "recoElecd0corr[NrecoElec]/F"); 
  HltTree->Branch("recoElecqGsfCtfScPixConsistent",   elqGsfCtfScPixConsistent, "recoElecqGsfCtfScPixConsistent[NrecoElec]/O");  

  HltTree->Branch("NrecoPhot",          &nphoton,           "NrecoPhot/I");
  HltTree->Branch("recoPhotPt",         photonpt,           "recoPhotPt[NrecoPhot]/F");
  HltTree->Branch("recoPhotPhi",        photonphi,          "recoPhotPhi[NrecoPhot]/F");
  HltTree->Branch("recoPhotEta",        photoneta,          "recoPhotEta[NrecoPhot]/F");
  HltTree->Branch("recoPhotEt",         photonet,           "recoPhotEt[NrecoPhot]/F");
  HltTree->Branch("recoPhotE",          photone,            "recoPhotE[NrecoPhot]/F");

  HltTree->Branch("NohPhot",            & nhltgam,          "NohPhot/I");
  HltTree->Branch("ohPhotEt",           hphotet,            "ohPhotEt[NohPhot]/F");
  HltTree->Branch("ohPhotEta",          hphoteta,           "ohPhotEta[NohPhot]/F");
  HltTree->Branch("ohPhotPhi",          hphotphi,           "ohPhotPhi[NohPhot]/F");
  HltTree->Branch("ohPhotEiso",         hphoteiso,          "ohPhotEiso[NohPhot]/F");
  HltTree->Branch("ohPhotHiso",         hphothiso,          "ohPhotHiso[NohPhot]/F");
  HltTree->Branch("ohPhotTiso",         hphottiso,          "ohPhotTiso[NohPhot]/F");
  HltTree->Branch("ohPhotL1iso",        hphotl1iso,         "ohPhotL1iso[NohPhot]/I");
  HltTree->Branch("ohPhotClusShap",     hphotClusShap,      "ohPhotClusShap[NohPhot]/F");
  HltTree->Branch("ohPhotR9",           hphotR9,            "ohPhotR9[NohPhot]/F");  
  HltTree->Branch("ohPhotHforHoverE",   hphothovereh,       "ohPhotHforHoverE[NohPhot]/F");   
  HltTree->Branch("ohPhotR9ID",         hphotR9ID,          "ohPhotR9ID[NohPhot]/F");

  HltTree->Branch("NohEle",             & nhltele,          "NohEle/I");
  HltTree->Branch("ohEleEt",            heleet,             "ohEleEt[NohEle]/F");
  HltTree->Branch("ohEleEta",           heleeta,            "ohEleEta[NohEle]/F");
  HltTree->Branch("ohElePhi",           helephi,            "ohElePhi[NohEle]/F");
  HltTree->Branch("ohEleE",             heleE,              "ohEleE[NohEle]/F");
  HltTree->Branch("ohEleP",             helep,              "ohEleP[NohEle]/F");
  HltTree->Branch("ohEleHiso",          helehiso,           "ohEleHiso[NohEle]/F");
  HltTree->Branch("ohEleTiso",          heletiso,           "ohEleTiso[NohEle]/F");
  HltTree->Branch("ohEleEiso",          heleeiso,           "ohEleEiso[NohEle]/F"); 
  HltTree->Branch("ohEleL1iso",         helel1iso,          "ohEleLiso[NohEle]/I");
  HltTree->Branch("ohElePixelSeeds",    helePixelSeeds,     "ohElePixelSeeds[NohEle]/I");
  HltTree->Branch("ohEleNewSC",         heleNewSC,          "ohEleNewSC[NohEle]/I");
  HltTree->Branch("ohEleClusShap",      heleClusShap,       "ohEleClusShap[NohEle]/F");
  HltTree->Branch("ohEleDeta",          heleDeta,           "ohEleDeta[NohEle]/F");
  HltTree->Branch("ohEleDphi",          heleDphi,           "ohEleDphi[NohEle]/F");
  HltTree->Branch("ohEleR9",            heleR9,             "ohEleR9[NohEle]/F");  
  HltTree->Branch("ohEleHforHoverE",    helehovereh,        "ohEleHforHoverE[NohEle]/F");    
  HltTree->Branch("ohEleR9ID",          heleR9ID,           "ohEleR9ID[NohEle]/F");
  HltTree->Branch("NohHFEle",           &nhlthfele ,        "NohHFEle/I"); 
  HltTree->Branch("ohHFElePt",          hhfelept,           "ohHFElePt[NohHFEle]/F");
  HltTree->Branch("ohHFEleEta",         hhfeleeta,          "ohHFElePt[NohHFEle]/F");  
  HltTree->Branch("NohHFECALClus",      &nhlthfeclus,       "NohHFECALClus/I"); 
  HltTree->Branch("ohHFElee9e25",       hhfclustere9e25,    "ohHFElePt[NohHFECALClus]/F");  
  HltTree->Branch("ohHFEle2Dcut",       hhfcluster2Dcut,    "ohHFElePt[NohHFECALClus]/F");  
 
}

void HLTEgamma::clear(void)
{
  std::memset(elpt,             '\0', kMaxEl     * sizeof(float));
  std::memset(elphi,            '\0', kMaxEl     * sizeof(float));
  std::memset(eleta,            '\0', kMaxEl     * sizeof(float));
  std::memset(elet,             '\0', kMaxEl     * sizeof(float));
  std::memset(ele,              '\0', kMaxEl     * sizeof(float));
  std::memset(ele,              '\0', kMaxEl     * sizeof(int));
  std::memset(elIP,             '\0', kMaxEl     * sizeof(float));  
  std::memset(elNLostHits,      '\0', kMaxEl     * sizeof(int));  
  std::memset(elTrkChi2NDF,     '\0', kMaxEl     * sizeof(float));     
  std::memset(elTrkIsoR03,      '\0', kMaxEl     * sizeof(float));  
  std::memset(elECaloIsoR03,    '\0', kMaxEl     * sizeof(float));  
  std::memset(elHCaloIsoR03,    '\0', kMaxEl     * sizeof(float));  
  std::memset(elIsEcalDriven,   '\0', kMaxEl     * sizeof(bool));  
  std::memset(elFbrem,          '\0', kMaxEl     * sizeof(float));  

  std::memset(photonpt,         '\0', kMaxPhot   * sizeof(float));
  std::memset(photonphi,        '\0', kMaxPhot   * sizeof(float));
  std::memset(photoneta,        '\0', kMaxPhot   * sizeof(float));
  std::memset(photonet,         '\0', kMaxPhot   * sizeof(float));
  std::memset(photone,          '\0', kMaxPhot   * sizeof(float));

  std::memset(hphotet,          '\0', kMaxhPhot  * sizeof(float));
  std::memset(hphoteta,         '\0', kMaxhPhot  * sizeof(float));
  std::memset(hphotphi,         '\0', kMaxhPhot  * sizeof(float));
  std::memset(hphoteiso,        '\0', kMaxhPhot  * sizeof(float));
  std::memset(hphothiso,        '\0', kMaxhPhot  * sizeof(float));
  std::memset(hphottiso,        '\0', kMaxhPhot  * sizeof(float));
  std::memset(hphotl1iso,       '\0', kMaxhPhot  * sizeof(int));
  std::memset(hphotClusShap,    '\0', kMaxhPhot  * sizeof(float));

  std::memset(heleet,           '\0', kMaxhEle   * sizeof(float));
  std::memset(heleeta,          '\0', kMaxhEle   * sizeof(float));
  std::memset(helephi,          '\0', kMaxhEle   * sizeof(float));
  std::memset(heleE,            '\0', kMaxhEle   * sizeof(float));
  std::memset(helep,            '\0', kMaxhEle   * sizeof(float));
  std::memset(helehiso,         '\0', kMaxhEle   * sizeof(float));
  std::memset(heletiso,         '\0', kMaxhEle   * sizeof(float));
  std::memset(heleeiso,         '\0', kMaxhEle   * sizeof(float)); 
  std::memset(helehovereh,      '\0', kMaxhEle   * sizeof(float));
  std::memset(helel1iso,        '\0', kMaxhEle   * sizeof(int));
  std::memset(helePixelSeeds,   '\0', kMaxhEle   * sizeof(int));
  std::memset(heleNewSC,        '\0', kMaxhEle   * sizeof(int));
  std::memset(heleClusShap,     '\0', kMaxhEle  * sizeof(float));
  std::memset(heleDeta,         '\0', kMaxhEle  * sizeof(float));
  std::memset(heleDphi,         '\0', kMaxhEle  * sizeof(float));

  std::memset(hhfelept,         '\0', kMaxhEle  * sizeof(float));
  std::memset(hhfeleeta,        '\0', kMaxhEle  * sizeof(float));
  std::memset(hhfclustere9e25,  '\0', kMaxhEle  * sizeof(float));
  std::memset(hhfcluster2Dcut,  '\0', kMaxhEle  * sizeof(float));


  nele      = 0;
  nphoton   = 0;
  nhltgam   = 0;
  nhltele   = 0;
  nhlthfele   = 0; 
  nhlthfeclus = 0; 
}

/* **Analyze the event** */
void HLTEgamma::analyze(const edm::Handle<reco::GsfElectronCollection>         & electrons,
                        const edm::Handle<reco::PhotonCollection>              & photons,
                        const edm::Handle<reco::ElectronCollection>            & electronIsoHandle,
                        const edm::Handle<reco::ElectronCollection>            & electronNonIsoHandle,
                        const edm::Handle<reco::ElectronIsolationMap>          & NonIsoTrackEleIsolMap,
                        const edm::Handle<reco::ElectronIsolationMap>          & TrackEleIsolMap,
                        const edm::Handle<reco::ElectronSeedCollection>        & L1IsoPixelSeedsMap,
                        const edm::Handle<reco::ElectronSeedCollection>        & L1NonIsoPixelSeedsMap,
                        const edm::Handle<reco::RecoEcalCandidateCollection>   & recoIsolecalcands,
                        const edm::Handle<reco::RecoEcalCandidateCollection>   & recoNonIsolecalcands,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & EcalIsolMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & EcalNonIsolMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalEleIsolMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalEleNonIsolMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalIsolMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalNonIsolMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & TrackIsolMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & TrackNonIsolMap,
                        EcalClusterLazyTools& lazyTools,
                        const edm::ESHandle<MagneticField>& theMagField,
                        reco::BeamSpot::Point & BSPosition, 
                        std::vector<edm::Handle<edm::ValueMap<float> > > & eIDValueMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9IsoMap,   
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9NonIsoMap,   
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9IsoMap,   
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9NonIsoMap,   
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonHoverEHIsoMap,      
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonHoverEHNonIsoMap,       
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9IDIsoMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9IDNonIsoMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9IDIsoMap,
                        const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9IDNonIsoMap,
                        const edm::Handle<reco::SuperClusterCollection>        & electronHFECALClusters,  
                        const edm::Handle<reco::RecoEcalCandidateCollection>   & electronHFElectrons,   
                        TTree* HltTree)
{
  // reset the tree variables
  clear();

  if (electrons.isValid()) {  
    reco::GsfElectronCollection myelectrons( electrons->begin(), electrons->end() );  
    nele = myelectrons.size();  
    std::sort(myelectrons.begin(), myelectrons.end(), EtGreater());  
    int iel = 0;  
    for (reco::GsfElectronCollection::const_iterator i = myelectrons.begin(); i != myelectrons.end(); i++) {  
      elpt[iel]  = i->pt();  
      elphi[iel] = i->phi();  
      eleta[iel] = i->eta();  
      elet[iel]  = i->et();  
      ele[iel]   = i->energy();  
        
      if(i->gsfTrack().isNonnull()){  
        elNLostHits[iel]   = i->gsfTrack()->trackerExpectedHitsInner().numberOfLostHits();  
        elIP[iel]          = i->gsfTrack()->dxy(BSPosition);    
        elTrkChi2NDF[iel]  = i->gsfTrack()->normalizedChi2();  
      }  
      else {  
        elNLostHits[iel]  = -99.;  
        elIP[iel]         = -99.;  
        elTrkChi2NDF[iel] = -99.;  
      }  
        
      elTrkIsoR03[iel]     = i->dr03TkSumPt();  
      elECaloIsoR03[iel]   = i->dr03EcalRecHitSumEt();  
      elHCaloIsoR03[iel]   = i->dr03HcalTowerSumEt();  
      elIsEcalDriven[iel]  = i->ecalDrivenSeed();  
      elFbrem[iel]         = i->fbrem();  
      elscEt[iel] = i->superCluster()->energy()*sin((2*atan(exp(-i->superCluster()->eta())))); 
      elhOverE[iel] = i->hadronicOverEm(); 
      elsigmaietaieta[iel] = i->sigmaIetaIeta(); 
      eldeltaPhiIn[iel] = i->deltaPhiSuperClusterTrackAtVtx(); 
      eldeltaEtaIn[iel] = i->deltaEtaSuperClusterTrackAtVtx(); 
      elmishits[iel] = i->gsfTrack()->trackerExpectedHitsInner().numberOfHits(); 
      eltrkiso[iel] = i->dr03TkSumPt(); 
      elecaliso[iel] = i->dr03EcalRecHitSumEt(); 
      elhcaliso[iel] = i->dr03HcalTowerSumEt(); 
      eld0corr[iel]= - (i->gsfTrack()->dxy(BSPosition)); 
      elqGsfCtfScPixConsistent[iel]=i->isGsfCtfScPixChargeConsistent();; 
 
      // conversion info will be available after 3_10_X 
      eldist[iel] = 0;// fabs(i->convDist()); 
      eldcot[iel] = 0; //fabs(i->convDcot()); 
        
      iel++;  
    }  
  } else {  
    nele = 0;  
  }

  if (photons.isValid()) {
    reco::PhotonCollection myphotons(* photons);
    nphoton = myphotons.size();
    std::sort(myphotons.begin(), myphotons.end(), EtGreater());
    int ipho = 0;
    for (reco::PhotonCollection::const_iterator i = myphotons.begin(); i!= myphotons.end(); i++) {
      photonpt[ipho] = i->pt();
      photonphi[ipho] = i->phi();
      photoneta[ipho] = i->eta();
      photonet[ipho] = i->et();
      photone[ipho] = i->energy();
      ipho++;
    }
  } else {
    nphoton = 0;
  }


  std::vector<OpenHLTPhoton> theHLTPhotons;
  MakeL1IsolatedPhotons(
      theHLTPhotons,
      recoIsolecalcands,
      EcalIsolMap,
      HcalIsolMap,
      TrackIsolMap,
      photonR9IsoMap,
      photonHoverEHIsoMap,
      photonR9IDIsoMap,
      lazyTools);
  MakeL1NonIsolatedPhotons(
      theHLTPhotons,
      recoNonIsolecalcands,
      EcalNonIsolMap,
      HcalNonIsolMap,
      TrackNonIsolMap,
      photonR9NonIsoMap,
      photonHoverEHNonIsoMap,
      photonR9IDNonIsoMap,
      lazyTools);

  std::sort(theHLTPhotons.begin(), theHLTPhotons.end(), EtGreater());
  nhltgam = theHLTPhotons.size();

  for (int u = 0; u < nhltgam; u++) {
    hphotet[u]    = theHLTPhotons[u].Et;
    hphoteta[u]   = theHLTPhotons[u].eta;
    hphotphi[u]   = theHLTPhotons[u].phi;
    hphoteiso[u]  = theHLTPhotons[u].ecalIsol;
    hphothiso[u]  = theHLTPhotons[u].hcalIsol;
    hphottiso[u]  = theHLTPhotons[u].trackIsol;
    hphotl1iso[u] = theHLTPhotons[u].L1Isolated;
    hphotClusShap[u] = theHLTPhotons[u].clusterShape;
    hphothovereh[u] = theHLTPhotons[u].hovereh; 
    hphotR9[u] = theHLTPhotons[u].r9;
    hphotR9ID[u] = theHLTPhotons[u].r9ID;
   }

  std::vector<OpenHLTElectron> theHLTElectrons;
  MakeL1IsolatedElectrons(
      theHLTElectrons,
      electronIsoHandle,
      recoIsolecalcands,
      HcalEleIsolMap,
      L1IsoPixelSeedsMap,
      TrackEleIsolMap,
      electronR9IsoMap,
      photonHoverEHIsoMap, 
      EcalIsolMap, 
      electronR9IDIsoMap,
      lazyTools,
      theMagField,
      BSPosition);
  MakeL1NonIsolatedElectrons(
      theHLTElectrons,
      electronNonIsoHandle,
      recoNonIsolecalcands,
      HcalEleNonIsolMap,
      L1NonIsoPixelSeedsMap,
      NonIsoTrackEleIsolMap,
      electronR9NonIsoMap,  
      photonHoverEHNonIsoMap, 
      EcalNonIsolMap, 
      electronR9IDNonIsoMap,
      lazyTools,
      theMagField,
      BSPosition);

  std::sort(theHLTElectrons.begin(), theHLTElectrons.end(), EtGreater());
  nhltele = theHLTElectrons.size();

  for (int u = 0; u < nhltele; u++) {
    heleet[u]         = theHLTElectrons[u].Et;
    heleeta[u]        = theHLTElectrons[u].eta;
    helephi[u]        = theHLTElectrons[u].phi;
    heleE[u]          = theHLTElectrons[u].E;
    helep[u]          = theHLTElectrons[u].p;
    helehiso[u]       = theHLTElectrons[u].hcalIsol;
    helePixelSeeds[u] = theHLTElectrons[u].pixelSeeds;
    heletiso[u]       = theHLTElectrons[u].trackIsol;
    heleeiso[u]       = theHLTElectrons[u].ecalIsol; 
    helel1iso[u]      = theHLTElectrons[u].L1Isolated;
    heleNewSC[u]      = theHLTElectrons[u].newSC;
    heleClusShap[u]   = theHLTElectrons[u].clusterShape;
    heleDeta[u]       = theHLTElectrons[u].Deta;
    heleDphi[u]       = theHLTElectrons[u].Dphi;
    heleR9[u]         = theHLTElectrons[u].r9;  
    helehovereh[u]    = theHLTElectrons[u].hovereh;
    heleR9ID[u]       = theHLTElectrons[u].r9ID;
  }

  if(electronHFElectrons.isValid()) {
    for (reco::RecoEcalCandidateCollection::const_iterator hfelecand = electronHFElectrons->begin(); 
         hfelecand!= electronHFElectrons->end(); hfelecand++) { 
      hhfelept[nhlthfele] = hfelecand->pt();
      hhfeleeta[nhlthfele] = hfelecand->eta(); 
      nhlthfele++;
    }
  }
  if(electronHFECALClusters.isValid()) { 
    for(reco::SuperClusterCollection::const_iterator hfeleclus = electronHFECALClusters->begin();
        hfeleclus!= electronHFECALClusters->end(); hfeleclus++) {
      hhfclustere9e25[nhlthfeclus] = -999.;
      hhfcluster2Dcut[nhlthfeclus] = -999.;
      nhlthfeclus++;
    }
  }
}

void HLTEgamma::MakeL1IsolatedPhotons(
    std::vector<OpenHLTPhoton> & theHLTPhotons,
    const edm::Handle<reco::RecoEcalCandidateCollection>   & recoIsolecalcands,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & EcalIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & TrackIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9IsoMap,    
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonHoverEHIsoMap,     
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9IDIsoMap,
    EcalClusterLazyTools& lazyTools )
{
  // Iterator to the isolation-map
  reco::RecoEcalCandidateIsolationMap::const_iterator mapi;

  if (recoIsolecalcands.isValid()) {
    // loop over SuperCluster and fill the HLTPhotons
  

    for (reco::RecoEcalCandidateCollection::const_iterator recoecalcand = recoIsolecalcands->begin();
         recoecalcand!= recoIsolecalcands->end(); recoecalcand++) {

      OpenHLTPhoton pho;
      pho.ecalIsol   = -999;
      pho.hcalIsol   = -999;
      pho.trackIsol  = -999;
      pho.clusterShape = -999;
      pho.L1Isolated = true;
      pho.Et         = recoecalcand->et();
      pho.eta        = recoecalcand->eta();
      pho.phi        = recoecalcand->phi();
      pho.r9         = -999.;
      pho.hovereh    = -999.;
      pho.r9ID       = -999.;

      //Get the cluster shape
      //      std::vector<float> vCov = lazyTools.covariances( *(recoecalcand->superCluster()->seed()) );
      std::vector<float> vCov = lazyTools.localCovariances( *(recoecalcand->superCluster()->seed()) );
      double sigmaee = sqrt(vCov[0]);
      //      float EtaSC = fabs(recoecalcand->eta());
      //      if(EtaSC > 1.479 ) {//Endcap
      //        sigmaee = sigmaee - 0.02*(EtaSC - 2.3);
      //      }
      pho.clusterShape = sigmaee;

      // Method to get the reference to the candidate
      reco::RecoEcalCandidateRef ref = reco::RecoEcalCandidateRef(recoIsolecalcands, distance(recoIsolecalcands->begin(), recoecalcand));

      // First/Second member of the Map: Ref-to-Candidate(mapi)/Isolation(->val)
      // fill the ecal Isolation
      if (EcalIsolMap.isValid()) {
        mapi = (*EcalIsolMap).find(ref);
        if (mapi !=(*EcalIsolMap).end()) { pho.ecalIsol = mapi->val;}
      }
      // fill the hcal Isolation
      if (HcalIsolMap.isValid()) {
        mapi = (*HcalIsolMap).find(ref);
        if (mapi !=(*HcalIsolMap).end()) { pho.hcalIsol = mapi->val;}
      }
      // fill the track Isolation
      if (TrackIsolMap.isValid()) {
        mapi = (*TrackIsolMap).find(ref);
        if (mapi !=(*TrackIsolMap).end()) { pho.trackIsol = mapi->val;}
      }
      // fill the R9
      if (photonR9IsoMap.isValid()) {
        mapi = (*photonR9IsoMap).find(ref); 
        if (mapi !=(*photonR9IsoMap).end()) { pho.r9 = mapi->val;} 
      }
      // fill the H for H/E
      if (photonHoverEHIsoMap.isValid()) {
        mapi = (*photonHoverEHIsoMap).find(ref);  
        if (mapi !=(*photonHoverEHIsoMap).end()) { pho.hovereh = mapi->val;}
      }
      // fill the R9ID
      if (photonR9IDIsoMap.isValid()) {
        mapi = (*photonR9IDIsoMap).find(ref);
        if (mapi !=(*photonR9IDIsoMap).end()) { pho.r9ID = mapi->val;}
      }

      // store the photon into the vector
      theHLTPhotons.push_back(pho);
    }
  }
}

void HLTEgamma::MakeL1NonIsolatedPhotons(
    std::vector<OpenHLTPhoton> & theHLTPhotons,
    const edm::Handle<reco::RecoEcalCandidateCollection>   & recoNonIsolecalcands,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & EcalNonIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalNonIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & TrackNonIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9NonIsoMap,     
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonHoverEHNonIsoMap,      
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonR9IDNonIsoMap,
    EcalClusterLazyTools& lazyTools )
{
  reco::RecoEcalCandidateIsolationMap::const_iterator mapi;

  if (recoNonIsolecalcands.isValid()) {
    for (reco::RecoEcalCandidateCollection::const_iterator recoecalcand = recoNonIsolecalcands->begin();
         recoecalcand!= recoNonIsolecalcands->end(); recoecalcand++) {
      // loop over SuperCluster and fill the HLTPhotons
      OpenHLTPhoton pho;
      pho.ecalIsol   = -999;
      pho.hcalIsol   = -999;
      pho.trackIsol  = -999;
      pho.clusterShape = -999;
      pho.L1Isolated = false;
      pho.Et         = recoecalcand->et();
      pho.eta        = recoecalcand->eta();
      pho.phi        = recoecalcand->phi();
      pho.r9         = -999; 
      pho.hovereh    = -999.;
      pho.r9ID       = -999.;

      //Get the cluster shape
      //      std::vector<float> vCov = lazyTools.covariances( *(recoecalcand->superCluster()->seed()) );
      std::vector<float> vCov = lazyTools.localCovariances( *(recoecalcand->superCluster()->seed()) );
      double sigmaee = sqrt(vCov[0]);
      //      float EtaSC = fabs(recoecalcand->eta());
      //      if(EtaSC > 1.479 ) {//Endcap
      //        sigmaee = sigmaee - 0.02*(EtaSC - 2.3);
      //      }
      pho.clusterShape = sigmaee;

      reco::RecoEcalCandidateRef ref = reco::RecoEcalCandidateRef(recoNonIsolecalcands, distance(recoNonIsolecalcands->begin(), recoecalcand));

      // fill the ecal Isolation
      if (EcalNonIsolMap.isValid()) {
        mapi = (*EcalNonIsolMap).find(ref);
        if (mapi !=(*EcalNonIsolMap).end()) { pho.ecalIsol = mapi->val;}
      }
      // fill the hcal Isolation
      if (HcalNonIsolMap.isValid()) {
        mapi = (*HcalNonIsolMap).find(ref);
        if (mapi !=(*HcalNonIsolMap).end()) { pho.hcalIsol = mapi->val;}
      }
      // fill the track Isolation
      if (TrackNonIsolMap.isValid()) {
        mapi = (*TrackNonIsolMap).find(ref);
        if (mapi !=(*TrackNonIsolMap).end()) { pho.trackIsol = mapi->val;}
      }
      // fill the R9 
      if (photonR9NonIsoMap.isValid()) { 
        mapi = (*photonR9NonIsoMap).find(ref);  
        if (mapi !=(*photonR9NonIsoMap).end()) { pho.r9 = mapi->val;}  
      } 
      // fill the H for H/E 
      if (photonHoverEHNonIsoMap.isValid()) { 
        mapi = (*photonHoverEHNonIsoMap).find(ref);   
        if (mapi !=(*photonHoverEHNonIsoMap).end()) { pho.hovereh = mapi->val;} 
      } 
      // fill the R9ID
      if (photonR9IDNonIsoMap.isValid()) {
        mapi = (*photonR9IDNonIsoMap).find(ref);
        if (mapi !=(*photonR9IDNonIsoMap).end()) { pho.r9ID = mapi->val;}
      }

      // store the photon into the vector
      theHLTPhotons.push_back(pho);
    }
  }
}

void HLTEgamma::MakeL1IsolatedElectrons(
    std::vector<OpenHLTElectron> & theHLTElectrons,
    const edm::Handle<reco::ElectronCollection>            & electronIsoHandle,
    const edm::Handle<reco::RecoEcalCandidateCollection>   & recoIsolecalcands,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalEleIsolMap,
    const edm::Handle<reco::ElectronSeedCollection>        & L1IsoPixelSeedsMap,
    const edm::Handle<reco::ElectronIsolationMap>          & TrackEleIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9IsoMap,     
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonHoverEHIsoMap,      
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & EcalIsolMap, 
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9IDIsoMap,
    EcalClusterLazyTools& lazyTools,
    const edm::ESHandle<MagneticField>& theMagField,
    reco::BeamSpot::Point & BSPosition )
{
  // if there are electrons, then the isolation maps and the SC should be in the event; if not it is an error
  if (recoIsolecalcands.isValid()) {
    for (reco::RecoEcalCandidateCollection::const_iterator recoecalcand = recoIsolecalcands->begin();
         recoecalcand!= recoIsolecalcands->end(); recoecalcand++) {
      // get the ref to the SC:
      reco::RecoEcalCandidateRef ref = reco::RecoEcalCandidateRef(recoIsolecalcands, distance(recoIsolecalcands->begin(), recoecalcand));
      reco::SuperClusterRef recrSC = ref->superCluster();
      //reco::SuperClusterRef recrSC = recoecalcand->superCluster();

      OpenHLTElectron ele;
      ele.hcalIsol   = -999;
      ele.trackIsol  = -999;
      ele.ecalIsol   = -999;
      ele.L1Isolated = true;
      ele.p          = -999;
      ele.pixelSeeds = -999;
      ele.newSC      = true;
      ele.clusterShape = -999;
      ele.Dphi = 700; 
      ele.Deta = 700;
      ele.hovereh = -999;
      ele.Et         = recoecalcand->et();
      ele.eta        = recoecalcand->eta();
      ele.phi        = recoecalcand->phi();
      ele.E          = recrSC->energy();
      //Get the cluster shape
      //      std::vector<float> vCov = lazyTools.covariances( *(recrSC->seed()) );
      std::vector<float> vCov = lazyTools.localCovariances( *(recrSC->seed()) );
      double sigmaee = sqrt(vCov[0]);
      //      float EtaSC = fabs(recoecalcand->eta());
      //      if(EtaSC > 1.479 ) {//Endcap
      //        sigmaee = sigmaee - 0.02*(EtaSC - 2.3);
      //      }
      ele.clusterShape = sigmaee;
      ele.r9 = -999.;
      ele.r9ID = -999.;

      // fill the ecal Isolation 
      if (EcalIsolMap.isValid()) { 
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*EcalIsolMap).find(ref); 
        if (mapi !=(*EcalIsolMap).end()) { ele.ecalIsol = mapi->val;} 
      } 
      // fill the hcal Isolation
      if (HcalEleIsolMap.isValid()) {
        //reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*HcalEleIsolMap).find( reco::RecoEcalCandidateRef(recoIsolecalcands, distance(recoIsolecalcands->begin(), recoecalcand)) );
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*HcalEleIsolMap).find( ref );
        if (mapi !=(*HcalEleIsolMap).end()) { ele.hcalIsol = mapi->val; }
      }
      // fill the R9   
      if (electronR9IsoMap.isValid()) {   
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*electronR9IsoMap).find( ref );   
        if (mapi !=(*electronR9IsoMap).end()) { ele.r9 = mapi->val; }   
      }   
      // fill the H for H/E 
      if (photonHoverEHIsoMap.isValid()) { 
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*photonHoverEHIsoMap).find(ref);   
        if (mapi !=(*photonHoverEHIsoMap).end()) { ele.hovereh = mapi->val;} 
      } 
      // fill the R9ID
      if (electronR9IDIsoMap.isValid()) {
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*electronR9IDIsoMap).find( ref );
        if (mapi !=(*electronR9IDIsoMap).end()) { ele.r9ID = mapi->val; }
      }

      // look if the SC has associated pixelSeeds
      int nmatch = 0;

      if (L1IsoPixelSeedsMap.isValid()) {
        for (reco::ElectronSeedCollection::const_iterator it = L1IsoPixelSeedsMap->begin();
             it != L1IsoPixelSeedsMap->end(); it++) {
          edm::RefToBase<reco::CaloCluster> caloCluster = it->caloCluster() ;
          reco::SuperClusterRef scRef = caloCluster.castTo<reco::SuperClusterRef>() ;
          if (&(*recrSC) ==  &(*scRef)) { nmatch++; }
        }
      }

      ele.pixelSeeds = nmatch;

      // look if the SC was promoted to an electron:
      if (electronIsoHandle.isValid()) {
        bool FirstElectron = true;
        reco::ElectronRef electronref;
        for (reco::ElectronCollection::const_iterator iElectron = electronIsoHandle->begin();
             iElectron != electronIsoHandle->end(); iElectron++) {
          // 1) find the SC from the electron
          electronref = reco::ElectronRef(electronIsoHandle, iElectron - electronIsoHandle->begin());
          const reco::SuperClusterRef theClus = electronref->superCluster(); // SC from the electron;
          if (&(*recrSC) ==  &(*theClus)) {     // ref is the RecoEcalCandidateRef corresponding to the electron
            if (FirstElectron) {                // the first electron is stored in ele, keeping the ele.newSC = true
              FirstElectron = false;
              ele.p = electronref->track()->momentum().R();
              float deta=-100, dphi=-100;
              CalculateDetaDphi(theMagField,BSPosition , electronref , deta, dphi, false);
              ele.Dphi=dphi; ele.Deta=deta;
              // fill the track Isolation
              if (TrackEleIsolMap.isValid()) {
                reco::ElectronIsolationMap::const_iterator mapTr = (*TrackEleIsolMap).find(electronref);
                if (mapTr != (*TrackEleIsolMap).end()) { ele.trackIsol = mapTr->val; }
              }
            }
            else {
              // FirstElectron is false, i.e. the SC of this electron is common to another electron.
              // A new  OpenHLTElectron is inserted in the theHLTElectrons vector setting newSC = false
              OpenHLTElectron ele2;
              ele2.hcalIsol  = ele.hcalIsol;
              ele2.trackIsol = -999;
              ele2.Dphi = 700; 
              ele2.Deta = 700;
              ele2.Et  = ele.Et;
              ele2.eta = ele.eta;
              ele2.phi = ele.phi;
              ele2.E   = ele.E;
              ele2.L1Isolated = ele.L1Isolated;
              ele2.pixelSeeds = ele.pixelSeeds;
              ele2.clusterShape = ele.clusterShape;
              ele2.newSC = false;
              ele2.p = electronref->track()->momentum().R();
              ele2.r9 = ele.r9;
              ele2.hovereh = ele.hovereh;
              ele2.ecalIsol = ele.ecalIsol;
              ele2.r9ID = ele.r9ID;
              float deta=-100, dphi=-100;
              CalculateDetaDphi(theMagField,BSPosition , electronref , deta, dphi, false);
              ele2.Dphi=dphi; ele2.Deta=deta;
              // fill the track Isolation
              if (TrackEleIsolMap.isValid()) {
                reco::ElectronIsolationMap::const_iterator mapTr = (*TrackEleIsolMap).find( electronref);
                if (mapTr !=(*TrackEleIsolMap).end()) { ele2.trackIsol = mapTr->val;}
              }
              theHLTElectrons.push_back(ele2);
            }
          }
        } // end of loop over electrons
      } // end of if (electronIsoHandle) {

      //store the electron into the vector
      theHLTElectrons.push_back(ele);
    } // end of loop over ecalCandidates
  } // end of if (recoIsolecalcands) {
}


void HLTEgamma::MakeL1NonIsolatedElectrons(
    std::vector<OpenHLTElectron> & theHLTElectrons,
    const edm::Handle<reco::ElectronCollection>            & electronNonIsoHandle,
    const edm::Handle<reco::RecoEcalCandidateCollection>   & recoNonIsolecalcands,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & HcalEleIsolMap,
    const edm::Handle<reco::ElectronSeedCollection>   & L1NonIsoPixelSeedsMap,
    const edm::Handle<reco::ElectronIsolationMap>          & TrackEleIsolMap,
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9NonIsoMap,     
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & photonHoverEHNonIsoMap,      
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & EcalNonIsolMap, 
    const edm::Handle<reco::RecoEcalCandidateIsolationMap> & electronR9IDNonIsoMap,
    EcalClusterLazyTools& lazyTools,
    const edm::ESHandle<MagneticField>& theMagField,
    reco::BeamSpot::Point & BSPosition  )
{
  // if there are electrons, then the isolation maps and the SC should be in the event; if not it is an error
  if (recoNonIsolecalcands.isValid()) {
    for (reco::RecoEcalCandidateCollection::const_iterator recoecalcand = recoNonIsolecalcands->begin();
         recoecalcand!= recoNonIsolecalcands->end(); recoecalcand++) {
      //get the ref to the SC:
      reco::RecoEcalCandidateRef ref = reco::RecoEcalCandidateRef(recoNonIsolecalcands, distance(recoNonIsolecalcands->begin(), recoecalcand));
      reco::SuperClusterRef recrSC = ref->superCluster();
      //reco::SuperClusterRef recrSC = recoecalcand->superCluster();

      OpenHLTElectron ele;
      ele.hcalIsol   = -999;
      ele.trackIsol  = -999;
      ele.ecalIsol   = -999; 
      ele.L1Isolated = false;
      ele.p          = -999;
      ele.pixelSeeds = -999;
      ele.newSC      = true;
      ele.clusterShape = -999;
      ele.Dphi = 700; 
      ele.Deta = 700;
      ele.r9 = -999.;
      ele.r9ID = -999.;
      ele.hovereh = -999; 
      ele.Et         = recoecalcand->et();
      ele.eta        = recoecalcand->eta();
      ele.phi        = recoecalcand->phi();
      ele.E          = recrSC->energy();
      //Get the cluster shape
      //      std::vector<float> vCov = lazyTools.covariances( *(recrSC->seed()) );
      std::vector<float> vCov = lazyTools.localCovariances( *(recrSC->seed()) );
      double sigmaee = sqrt(vCov[0]);
      //      float EtaSC = fabs(recoecalcand->eta());
      //      if(EtaSC > 1.479 ) {//Endcap
      //        sigmaee = sigmaee - 0.02*(EtaSC - 2.3);
      //      }
      ele.clusterShape = sigmaee;

      // fill the ecal Isolation 
      if (EcalNonIsolMap.isValid()) { 
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*EcalNonIsolMap).find(ref); 
        if (mapi !=(*EcalNonIsolMap).end()) { ele.ecalIsol = mapi->val;} 
      } 
      // fill the hcal Isolation
      if (HcalEleIsolMap.isValid()) {
        // reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*HcalEleIsolMap).find( reco::RecoEcalCandidateRef(recoNonIsolecalcands, distance(recoNonIsolecalcands->begin(), recoecalcand)) );
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*HcalEleIsolMap).find( ref );
        if (mapi !=(*HcalEleIsolMap).end()) {ele.hcalIsol = mapi->val;}
      }
      // fill the R9    
      if (electronR9NonIsoMap.isValid()) {    
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*electronR9NonIsoMap).find( ref );    
        if (mapi !=(*electronR9NonIsoMap).end()) { ele.r9 = mapi->val; }    
      }    
      // fill the H for H/E 
      if (photonHoverEHNonIsoMap.isValid()) { 
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*photonHoverEHNonIsoMap).find(ref);   
        if (mapi !=(*photonHoverEHNonIsoMap).end()) { ele.hovereh = mapi->val;} 
      } 
      // fill the R9ID
      if (electronR9IDNonIsoMap.isValid()) {
        reco::RecoEcalCandidateIsolationMap::const_iterator mapi = (*electronR9IDNonIsoMap).find( ref );
        if (mapi !=(*electronR9IDNonIsoMap).end()) { ele.r9ID = mapi->val; }
      }

      // look if the SC has associated pixelSeeds
      int nmatch = 0;

      if (L1NonIsoPixelSeedsMap.isValid()) {
        for (reco::ElectronSeedCollection::const_iterator it = L1NonIsoPixelSeedsMap->begin();
             it != L1NonIsoPixelSeedsMap->end(); it++) {
          edm::RefToBase<reco::CaloCluster> caloCluster = it->caloCluster() ;
          reco::SuperClusterRef scRef = caloCluster.castTo<reco::SuperClusterRef>() ;
          if (&(*recrSC) == &(*scRef)) { nmatch++;}
        }
      }

      ele.pixelSeeds = nmatch;

      // look if the SC was promoted to an electron:
      if (electronNonIsoHandle.isValid()) {
        bool FirstElectron = true;
        reco::ElectronRef electronref;
        for (reco::ElectronCollection::const_iterator iElectron = electronNonIsoHandle->begin(); 
             iElectron != electronNonIsoHandle->end();iElectron++) {
          // 1) find the SC from the electron
          electronref = reco::ElectronRef(electronNonIsoHandle, iElectron - electronNonIsoHandle->begin());
          const reco::SuperClusterRef theClus = electronref->superCluster(); //SC from the electron;
          if (&(*recrSC) ==  &(*theClus)) { // ref is the RecoEcalCandidateRef corresponding to the electron
            if (FirstElectron) { //the first electron is stored in ele, keeping the ele.newSC = true
              FirstElectron = false;
              ele.p = electronref->track()->momentum().R();
              float deta=-100, dphi=-100;
              CalculateDetaDphi(theMagField,BSPosition , electronref , deta, dphi, false);
              ele.Dphi=dphi; ele.Deta=deta;

              // fill the track Isolation
              if (TrackEleIsolMap.isValid()) {
                reco::ElectronIsolationMap::const_iterator mapTr = (*TrackEleIsolMap).find( electronref);
                if (mapTr !=(*TrackEleIsolMap).end()) { ele.trackIsol = mapTr->val;}
              }
            } else {
              // FirstElectron is false, i.e. the SC of this electron is common to another electron.
              // A new OpenHLTElectron is inserted in the theHLTElectrons vector setting newSC = false
              OpenHLTElectron ele2;
              ele2.hcalIsol   = ele.hcalIsol;
              ele2.trackIsol  =-999;
              ele2.ecalIsol = ele.ecalIsol;
              ele2.Dphi = 700; 
              ele2.Deta = 700;
              ele2.Et         = ele.Et;
              ele2.eta        = ele.eta;
              ele2.phi        = ele.phi;
              ele2.E          = ele.E;
              ele2.L1Isolated = ele.L1Isolated;
              ele2.pixelSeeds = ele.pixelSeeds;
              ele2.clusterShape = ele.clusterShape;
              ele2.newSC      = false;
              ele2.p          = electronref->track()->momentum().R();
              ele2.r9         = ele.r9;
              ele2.hovereh = ele.hovereh; 
              ele2.r9ID       = ele.r9ID;
              float deta=-100, dphi=-100;
              CalculateDetaDphi(theMagField,BSPosition , electronref , deta, dphi, false);
              ele2.Dphi=dphi; ele2.Deta=deta;

              // fill the track Isolation
              if (TrackEleIsolMap.isValid()) {
                reco::ElectronIsolationMap::const_iterator mapTr = (*TrackEleIsolMap).find( electronref);
                if (mapTr !=(*TrackEleIsolMap).end()) { ele2.trackIsol = mapTr->val;}
              }
              theHLTElectrons.push_back(ele2);
            }
          }
        } // end of loop over electrons
      } // end of if (electronNonIsoHandle) {

      // store the electron into the vector
      theHLTElectrons.push_back(ele);
    } // end of loop over ecalCandidates
  } // end of if (recoNonIsolecalcands) {
}

void HLTEgamma::CalculateDetaDphi(const edm::ESHandle<MagneticField>& theMagField, 
                                  reco::BeamSpot::Point & BSPosition, 
                                  const reco::ElectronRef eleref, 
                                  float& deltaeta, 
                                  float& deltaphi, bool useTrackProjectionToEcal )
{
  
  const reco::SuperClusterRef theClus = eleref->superCluster();
  math::XYZVector scv(theClus->x(), theClus->y(), theClus->z());
  
  const math::XYZVector trackMom =  eleref->track()->momentum();

    math::XYZPoint SCcorrPosition(theClus->x()-BSPosition.x(), theClus->y()-BSPosition.y() , theClus->z()-eleref->track()->vz() );
    deltaeta = SCcorrPosition.eta()-eleref->track()->eta();
    
    if(useTrackProjectionToEcal){
      ECALPositionCalculator posCalc;
      const math::XYZPoint vertex(BSPosition.x(),BSPosition.y(),eleref->track()->vz());
      
      float phi1= posCalc.ecalPhi(theMagField.product(),trackMom,vertex,1);
      float phi2= posCalc.ecalPhi(theMagField.product(),trackMom,vertex,-1);
      
      float deltaphi1=fabs( phi1 - theClus->position().phi() );
      if(deltaphi1>6.283185308) deltaphi1 -= 6.283185308;
      if(deltaphi1>3.141592654) deltaphi1 = 6.283185308-deltaphi1;
      
      float deltaphi2=fabs( phi2 - theClus->position().phi() );
      if(deltaphi2>6.283185308) deltaphi2 -= 6.283185308;
      if(deltaphi2>3.141592654) deltaphi2 = 6.283185308-deltaphi2;
      
      deltaphi = deltaphi1;
      if(deltaphi2<deltaphi1){ deltaphi = deltaphi2;}
    }
    else {
      deltaphi=fabs(eleref->track()->outerPosition().phi()-theClus->phi());
      if(deltaphi>6.283185308) deltaphi -= 6.283185308;
      if(deltaphi>3.141592654) deltaphi = 6.283185308-deltaphi;
    }

}