/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/DQM/Physics/src/TopDiLeptonDQM.cc

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/*
 *  $Date: 2012/01/11 13:53:29 $
 *  $Revision: 1.14 $
 *  \author M. Marienfeld - DESY Hamburg
 */

#include "TLorentzVector.h"
#include "DataFormats/Math/interface/deltaR.h"
#include "DQM/Physics/src/TopDiLeptonDQM.h"
#include "FWCore/Common/interface/TriggerNames.h"

using namespace std;
using namespace edm;

TopDiLeptonDQM::TopDiLeptonDQM( const edm::ParameterSet& ps ) {

  initialize();

  moduleName_      = ps.getUntrackedParameter<string>("moduleName");
  fileOutput_      = ps.getParameter<bool>("fileOutput");
  outputFile_      = ps.getUntrackedParameter<string>("outputFile");
  triggerResults_  = ps.getParameter<edm::InputTag>("TriggerResults");
  hltPaths_        = ps.getParameter<vector<string> >("hltPaths");
  hltPaths_sig_    = ps.getParameter<vector<string> >("hltPaths_sig");
  hltPaths_trig_   = ps.getParameter<vector<string> >("hltPaths_trig");

  vertex_          = ps.getParameter<edm::InputTag>("vertexCollection");
  vertex_X_cut_    = ps.getParameter<double>("vertex_X_cut");
  vertex_Y_cut_    = ps.getParameter<double>("vertex_Y_cut");
  vertex_Z_cut_    = ps.getParameter<double>("vertex_Z_cut");

  muons_           = ps.getParameter<edm::InputTag>("muonCollection");
  muon_pT_cut_     = ps.getParameter<double>("muon_pT_cut");
  muon_eta_cut_    = ps.getParameter<double>("muon_eta_cut");
  muon_iso_cut_    = ps.getParameter<double>("muon_iso_cut");

  elecs_           = ps.getParameter<edm::InputTag>("elecCollection");
  elec_pT_cut_     = ps.getParameter<double>("elec_pT_cut");
  elec_eta_cut_    = ps.getParameter<double>("elec_eta_cut");
  elec_iso_cut_    = ps.getParameter<double>("elec_iso_cut");
  elec_emf_cut_    = ps.getParameter<double>("elec_emf_cut");

  MassWindow_up_   = ps.getParameter<double>("MassWindow_up");
  MassWindow_down_ = ps.getParameter<double>("MassWindow_down");

  for(int i=0; i<100; ++i) {
    N_sig[i]  = 0;
    N_trig[i] = 0;
    Eff[i]    = 0.;
  }

  N_mumu = 0;
  N_muel = 0;
  N_elel = 0;


  if( fileOutput_ ) {
    const char *fileName = outputFile_.c_str();
    outfile.open (fileName);
  }

  dbe_ = Service<DQMStore>().operator->();

  Events_ = 0;
  Trigs_ = 0;
  TriggerEff_ = 0;
  Ntracks_ = 0;
  Nmuons_ = 0;
  Nmuons_iso_ = 0;
  Nmuons_charge_ = 0;
  VxVy_muons_ = 0;
  Vz_muons_ = 0;
  pT_muons_ = 0;
  eta_muons_ = 0;
  phi_muons_ = 0;
  Nelecs_ = 0;
  Nelecs_iso_ = 0;
  Nelecs_charge_ = 0;
  HoverE_elecs_ = 0;
  pT_elecs_ = 0;
  eta_elecs_ = 0;
  phi_elecs_ = 0;
  MuIso_emEt03_ = 0;
  MuIso_hadEt03_ = 0;
  MuIso_hoEt03_ = 0;
  MuIso_nJets03_ = 0;
  MuIso_nTracks03_ = 0;
  MuIso_sumPt03_ = 0;
  MuIso_CombRelIso03_ = 0;
  ElecIso_cal_ = 0;
  ElecIso_trk_ = 0;
  ElecIso_CombRelIso_ = 0;
  dimassRC_ = 0;
  dimassWC_ = 0;
  dimassRC_LOGX_ = 0;
  dimassWC_LOGX_ = 0;
  dimassRC_LOG10_ = 0;
  dimassWC_LOG10_ = 0;
  D_eta_muons_ = 0;
  D_phi_muons_ = 0;
  D_eta_elecs_ = 0;
  D_phi_elecs_ = 0;
  D_eta_lepts_ = 0;
  D_phi_lepts_ = 0;

}


TopDiLeptonDQM::~TopDiLeptonDQM() {

}


void TopDiLeptonDQM::initialize() {

}


void TopDiLeptonDQM::beginJob() {

  dbe_->setCurrentFolder(moduleName_);

  Events_     = dbe_->book1D("00_Events", "Isolated dilepton events", 5,  0.,  5.);
  Events_->setBinLabel( 2, "#mu #mu", 1);
  Events_->setBinLabel( 3, "#mu e",   1);
  Events_->setBinLabel( 4, "e e",     1);

  Trigs_      = dbe_->book1D("01_Trigs",      "Fired muon/electron triggers", 15,  0., 15.);
  TriggerEff_ = dbe_->book1D("02_TriggerEff", "HL Trigger Efficiencies",      10,  0., 10.);
  TriggerEff_->setTitle("HL Trigger Efficiencies #epsilon_{signal} = #frac{[signal] && [control]}{[control]}");
  Ntracks_    = dbe_->book1D("Ntracks",       "Number of tracks",             50,  0., 50.);

  Nmuons_        = dbe_->book1D("03_Nmuons",     "Number of muons",               20,   0.,  10.);
  Nmuons_iso_    = dbe_->book1D("04_Nmuons_iso", "Number of isolated muons",      20,   0.,  10.);
  Nmuons_charge_ = dbe_->book1D("Nmuons_charge", "Number of muons * moun charge", 19, -10.,  10.);
  VxVy_muons_    = dbe_->book2D("VxVy_muons",    "Vertex x-y-positon (global)",   40,  -1.,   1., 40 , -1., 1.);
  Vz_muons_      = dbe_->book1D("Vz_muons",      "Vertex z-positon (global)",     40, -20.,  20.);
  pT_muons_      = dbe_->book1D("pT_muons",      "P_T of muons",                  40,   0., 200.);
  eta_muons_     = dbe_->book1D("eta_muons",     "Eta of muons",                  50,  -5.,   5.);
  phi_muons_     = dbe_->book1D("phi_muons",     "Phi of muons",                  40,  -4.,   4.);

  Nelecs_        = dbe_->book1D("05_Nelecs",     "Number of electrons",           20,   0.,  10.);
  Nelecs_iso_    = dbe_->book1D("06_Nelecs_iso", "Number of isolated electrons",  20,   0.,  10.);
  Nelecs_charge_ = dbe_->book1D("Nelecs_charge", "Number of elecs * elec charge", 19, -10.,  10.);
  HoverE_elecs_  = dbe_->book1D("HoverE_elecs",  "Hadronic over Ecal energy",     50,   0.,   1.);
  pT_elecs_      = dbe_->book1D("pT_elecs",      "P_T of electrons",              40,   0., 200.);
  eta_elecs_     = dbe_->book1D("eta_elecs",     "Eta of electrons",              50,  -5.,   5.);
  phi_elecs_     = dbe_->book1D("phi_elecs",     "Phi of electrons",              40,  -4.,   4.);

  MuIso_emEt03_       = dbe_->book1D("MuIso_emEt03",          "Muon emEt03",       20, 0., 20.);
  MuIso_hadEt03_      = dbe_->book1D("MuIso_hadEt03",         "Muon hadEt03",      20, 0., 20.);
  MuIso_hoEt03_       = dbe_->book1D("MuIso_hoEt03",          "Muon hoEt03",       20, 0., 20.);
  MuIso_nJets03_      = dbe_->book1D("MuIso_nJets03",         "Muon nJets03",      10, 0., 10.);
  MuIso_nTracks03_    = dbe_->book1D("MuIso_nTracks03",       "Muon nTracks03",    20, 0., 20.);
  MuIso_sumPt03_      = dbe_->book1D("MuIso_sumPt03",         "Muon sumPt03",      20, 0., 40.);
  MuIso_CombRelIso03_ = dbe_->book1D("07_MuIso_CombRelIso03", "Muon CombRelIso03", 20, 0.,  1.);

  ElecIso_cal_        = dbe_->book1D("ElecIso_cal",           "Electron Iso_cal",    21, -1., 20.);
  ElecIso_trk_        = dbe_->book1D("ElecIso_trk",           "Electron Iso_trk",    21, -2., 40.);
  ElecIso_CombRelIso_ = dbe_->book1D("08_ElecIso_CombRelIso", "Electron CombRelIso", 20,  0.,  1.);

  const int nbins = 200;

  double logmin = 0.;
  double logmax = 3.;  // 10^(3.)=1000

  float bins[nbins+1];

  for (int i = 0; i <= nbins; i++) {

    double log = logmin + (logmax-logmin)*i/nbins;
    bins[i] = std::pow(10.0, log);

  }

  dimassRC_       = dbe_->book1D("09_dimassRC",      "Dilepton mass RC",        50, 0., 200.);
  dimassWC_       = dbe_->book1D("11_dimassWC",      "Dilepton mass WC",        50, 0., 200.);
  dimassRC_LOGX_  = dbe_->book1D("10_dimassRC_LOGX", "Dilepton mass RC LOG", nbins, &bins[0]);
  dimassWC_LOGX_  = dbe_->book1D("12_dimassWC_LOGX", "Dilepton mass WC LOG", nbins, &bins[0]);
  dimassRC_LOG10_ = dbe_->book1D("dimassRC_LOG10",   "Dilepton mass RC LOG",    50, 0.,  2.5);
  dimassWC_LOG10_ = dbe_->book1D("dimassWC_LOG10",   "Dilepton mass WC LOG",    50, 0.,  2.5);

  D_eta_muons_  = dbe_->book1D("13_D_eta_muons", "#Delta eta_muons", 20, -5., 5.);
  D_phi_muons_  = dbe_->book1D("14_D_phi_muons", "#Delta phi_muons", 20, -5., 5.);
  D_eta_elecs_  = dbe_->book1D("D_eta_elecs",    "#Delta eta_elecs", 20, -5., 5.);
  D_phi_elecs_  = dbe_->book1D("D_phi_elecs",    "#Delta phi_elecs", 20, -5., 5.);
  D_eta_lepts_  = dbe_->book1D("D_eta_lepts",    "#Delta eta_lepts", 20, -5., 5.);
  D_phi_lepts_  = dbe_->book1D("D_phi_lepts",    "#Delta phi_lepts", 20, -5., 5.);

}


void TopDiLeptonDQM::beginRun(const edm::Run& r, const edm::EventSetup& context) {

}


void TopDiLeptonDQM::analyze(const edm::Event& evt, const edm::EventSetup& context) {

  // ------------------------
  //  Global Event Variables
  // ------------------------

  const int N_TriggerPaths = hltPaths_.size();
  const int N_SignalPaths  = hltPaths_sig_.size();
  const int N_ControlPaths = hltPaths_trig_.size();

  bool Fired_Signal_Trigger[100]  = {false};
  bool Fired_Control_Trigger[100] = {false};

  int N_run   = (evt.id()).run();
  int N_event = (evt.id()).event();
  int N_lumi  =  evt.luminosityBlock();

  int N_leptons = 0;
  int N_iso_mu  = 0;
  int N_iso_el  = 0;
  //  int N_iso_lep = 0; // UNUSED

  double DilepMass = 0.;

  double vertex_X  = 100.;
  double vertex_Y  = 100.;
  double vertex_Z  = 100.;

  // ------------------------
  //  Analyze Primary Vertex
  // ------------------------

  edm::Handle<reco::VertexCollection> vertexs;
  evt.getByLabel(vertex_, vertexs);

  if( vertexs.failedToGet() ) {

    //    cout << endl << "----------------------------" << endl;
    //    cout << "--- NO PRIMARY VERTEX !! ---" << endl;
    //    cout << "----------------------------" << endl << endl;

  }

  if( !vertexs.failedToGet() ) {

    reco::Vertex primaryVertex = vertexs->front();

    int numberTracks = primaryVertex.tracksSize();
    //    double ndof      = primaryVertex.ndof();
    bool fake        = primaryVertex.isFake();

    Ntracks_->Fill(numberTracks);

    if( !fake && numberTracks > 3 ) {

      vertex_X = primaryVertex.x();
      vertex_Y = primaryVertex.y();
      vertex_Z = primaryVertex.z();

    }

  }

  // -------------------------
  //  Analyze Trigger Results
  // -------------------------

  edm::Handle<TriggerResults> trigResults;
  evt.getByLabel(triggerResults_, trigResults);

  if( trigResults.failedToGet() ) {

    //    cout << endl << "-----------------------------" << endl;
    //    cout << "--- NO TRIGGER RESULTS !! ---" << endl;
    //    cout << "-----------------------------" << endl << endl;

  }

  if( !trigResults.failedToGet() ) {

    int N_Triggers = trigResults->size();

    const edm::TriggerNames & trigName = evt.triggerNames(*trigResults);

    for( int i_Trig = 0; i_Trig < N_Triggers; ++i_Trig ) {

      if (trigResults.product()->accept(i_Trig)) {

        // Check for all trigger paths

        for( int i = 0; i < N_TriggerPaths; i++ ) {

          if ( trigName.triggerName(i_Trig)== hltPaths_[i] ) {

            Trigs_->Fill(i);
            Trigs_->setBinLabel( i+1, hltPaths_[i], 1);

          }

        }

        // Check for signal & control trigger paths

        for( int j = 0; j < N_SignalPaths; ++j ) {

          if( trigName.triggerName(i_Trig) == hltPaths_sig_[j]  )  Fired_Signal_Trigger[j]  = true;

        }

        for( int k = 0; k < N_ControlPaths; ++k ) {

          if( trigName.triggerName(i_Trig) == hltPaths_trig_[k] )  Fired_Control_Trigger[k] = true;

        }

      }

    }

  }

  // ------------------------
  //  Analyze Muon Isolation
  // ------------------------

  edm::Handle<reco::MuonCollection> muons;
  evt.getByLabel(muons_, muons);

  reco::MuonCollection::const_iterator muon;

  if( muons.failedToGet() ) {

    //    cout << endl << "------------------------" << endl;
    //    cout << "--- NO RECO MUONS !! ---" << endl;
    //    cout << "------------------------" << endl << endl;

  }

  if( !muons.failedToGet() ) {

    Nmuons_->Fill( muons->size() );

    N_leptons = N_leptons + muons->size();

    for(muon = muons->begin(); muon!= muons->end(); ++muon) {

      float  N_muons = muons->size();
      float  Q_muon  = muon->charge();

      Nmuons_charge_->Fill(N_muons*Q_muon);

      double track_X = 100.;
      double track_Y = 100.;
      double track_Z = 100.;

      if( muon->isGlobalMuon() ) {

        reco::TrackRef track = muon->globalTrack();

        track_X = track->vx();
        track_Y = track->vy();
        track_Z = track->vz();

        VxVy_muons_->Fill(track_X, track_Y);
        Vz_muons_->Fill(track_Z);

      }

      // Vertex and kinematic cuts

      if(          track_X > vertex_X_cut_ )  continue;
      if(          track_Y > vertex_Y_cut_ )  continue;
      if(          track_Z > vertex_Z_cut_ )  continue;
      if(     muon->pt()   < muon_pT_cut_  )  continue;
      if( abs(muon->eta()) > muon_eta_cut_ )  continue;

      reco::MuonIsolation muIso03 = muon->isolationR03();

      double muonCombRelIso = 1.;

      if ( muon->pt() != 0. )
        muonCombRelIso = ( muIso03.emEt + muIso03.hadEt + muIso03.hoEt + muIso03.sumPt ) / muon->pt();

      MuIso_CombRelIso03_->Fill( muonCombRelIso );

      MuIso_emEt03_->Fill(    muIso03.emEt );
      MuIso_hadEt03_->Fill(   muIso03.hadEt );
      MuIso_hoEt03_->Fill(    muIso03.hoEt );
      MuIso_nJets03_->Fill(   muIso03.nJets );
      MuIso_nTracks03_->Fill( muIso03.nTracks );
      MuIso_sumPt03_->Fill(   muIso03.sumPt );

      if( muonCombRelIso < muon_iso_cut_ )  ++N_iso_mu;

    }

    Nmuons_iso_->Fill(N_iso_mu);

  }

  // ----------------------------
  //  Analyze Electron Isolation
  // ----------------------------

  edm::Handle<reco::GsfElectronCollection> elecs;
  evt.getByLabel(elecs_, elecs);

  reco::GsfElectronCollection::const_iterator elec;

  if( elecs.failedToGet() ) {

    //    cout << endl << "----------------------------" << endl;
    //    cout << "--- NO RECO ELECTRONS !! ---" << endl;
    //    cout << "----------------------------" << endl << endl;

  }

  if( !elecs.failedToGet() ) {

    Nelecs_->Fill( elecs->size() );

    N_leptons = N_leptons + elecs->size();

    for(elec = elecs->begin(); elec!= elecs->end(); ++elec) {

      float N_elecs = elecs->size();
      float Q_elec  = elec->charge();
      float HoverE  = elec->hcalOverEcal();

      HoverE_elecs_->Fill( HoverE );

      Nelecs_charge_->Fill(N_elecs*Q_elec);

      double track_X = 100.;
      double track_Y = 100.;
      double track_Z = 100.;

      reco::GsfTrackRef track = elec->gsfTrack();

      track_X = track->vx();
      track_Y = track->vy();
      track_Z = track->vz();

      // Vertex and kinematic cuts

      if(          track_X > vertex_X_cut_ )  continue;
      if(          track_Y > vertex_Y_cut_ )  continue;
      if(          track_Z > vertex_Z_cut_ )  continue;
      if(     elec->pt()   < elec_pT_cut_  )  continue;
      if( abs(elec->eta()) > elec_eta_cut_ )  continue;
      if(           HoverE > elec_emf_cut_ )  continue;

      reco::GsfElectron::IsolationVariables elecIso = elec->dr03IsolationVariables();

      double elecCombRelIso = 1.;

      if ( elec->et() != 0. )
        elecCombRelIso = ( elecIso.ecalRecHitSumEt + elecIso.hcalDepth1TowerSumEt + elecIso.tkSumPt ) / elec->et();

      ElecIso_CombRelIso_->Fill( elecCombRelIso );

      ElecIso_cal_->Fill( elecIso.ecalRecHitSumEt );
      ElecIso_trk_->Fill( elecIso.tkSumPt );

      if( elecCombRelIso < elec_iso_cut_ )  ++N_iso_el;

    }

    Nelecs_iso_->Fill(N_iso_el);

  }

  //  N_iso_lep = N_iso_el + N_iso_mu; // UNUSED

  // --------------------
  //  TWO Isolated MUONS
  // --------------------

  //  if( N_iso_mu > 1 && Fired_Control_Trigger[0] ) {
  if( N_iso_mu > 1 ) {

    // Vertex cut

    if( vertex_X < vertex_X_cut_ && vertex_Y < vertex_Y_cut_ && vertex_Z < vertex_Z_cut_ ) {

      ++N_mumu;

      Events_->Fill(1.);

      reco::MuonCollection::const_reference mu1 = muons->at(0);
      reco::MuonCollection::const_reference mu2 = muons->at(1);

      DilepMass = sqrt( (mu1.energy()+mu2.energy())*(mu1.energy()+mu2.energy())
                        - (mu1.px()+mu2.px())*(mu1.px()+mu2.px())
                        - (mu1.py()+mu2.py())*(mu1.py()+mu2.py())
                        - (mu1.pz()+mu2.pz())*(mu1.pz()+mu2.pz())
                        );

      // Opposite muon charges -> Right Charge (RC)

      if( mu1.charge()*mu2.charge() < 0. ) {

        dimassRC_LOG10_->Fill( log10(DilepMass) );
        dimassRC_->Fill(      DilepMass );
        dimassRC_LOGX_->Fill( DilepMass );

        if( DilepMass > MassWindow_down_ && DilepMass < MassWindow_up_ ) {

          for(muon = muons->begin(); muon!= muons->end(); ++muon) {

            pT_muons_->Fill(  muon->pt() );
            eta_muons_->Fill( muon->eta() );
            phi_muons_->Fill( muon->phi() );

          }

          D_eta_muons_->Fill(mu1.eta()-mu2.eta());
          D_phi_muons_->Fill(mu1.phi()-mu2.phi());

          if(fileOutput_) {

            if( mu1.isGlobalMuon() && mu2.isGlobalMuon() ) {

              outfile << "--------------------" << "\n";
              outfile << "      Run : " << N_run   << "\n";
              outfile << "    Event : " << N_event << "\n";
              outfile << "LumiBlock : " << N_lumi  << "\n";
              outfile << "     Type :  mu mu" << "\n";
              outfile << "--------------------" << "\n";
              outfile << "DilepMass : " << DilepMass << "\n";
              outfile << "Mu1 Pt    : " << mu1.pt() << "\n";
              outfile << "Mu1 Eta   : " << mu1.eta() << "\n";
              outfile << "Mu1 Phi   : " << mu1.phi() << "\n";
              outfile << "Mu2 Pt    : " << mu2.pt() << "\n";
              outfile << "Mu2 Eta   : " << mu2.eta() << "\n";
              outfile << "Mu2 Phi   : " << mu2.phi() << "\n";
              outfile << "--------------------" << "\n";

            }

          }

          // Determinating trigger efficiencies

          for( int k = 0; k < N_SignalPaths; ++k ) {

            if( Fired_Signal_Trigger[k] && Fired_Control_Trigger[k] )  ++N_sig[k];

            if( Fired_Control_Trigger[k] )  ++N_trig[k];

            if( N_trig[k] != 0 )  Eff[k] = N_sig[k]/static_cast<float>(N_trig[k]);

            TriggerEff_->setBinContent( k+1, Eff[k] );
            TriggerEff_->setBinLabel( k+1, "#frac{["+hltPaths_sig_[k]+"]}{vs. ["+hltPaths_trig_[k]+"]}", 1);

          }

        }

      }

      // Same muon charges -> Wrong Charge (WC)

      if( mu1.charge()*mu2.charge() > 0. ) {

        dimassWC_LOG10_->Fill( log10(DilepMass) );
        dimassWC_->Fill(      DilepMass );
        dimassWC_LOGX_->Fill( DilepMass );

        if(fileOutput_) {

          if( mu1.isGlobalMuon() && mu2.isGlobalMuon() ) {

            outfile << "---------------------" << "\n";
            outfile << "      Run : " << N_run   << "\n";
            outfile << "    Event : " << N_event << "\n";
            outfile << "LumiBlock : " << N_lumi  << "\n";
            outfile << "     Type :  WC mu mu" << "\n";
            outfile << "---------------------" << "\n";
            outfile << "DilepMass : " << DilepMass << "\n";
            outfile << "Mu1 Pt    : " << mu1.pt() << "\n";
            outfile << "Mu1 Eta   : " << mu1.eta() << "\n";
            outfile << "Mu1 Phi   : " << mu1.phi() << "\n";
            outfile << "Mu2 Pt    : " << mu2.pt() << "\n";
            outfile << "Mu2 Eta   : " << mu2.eta() << "\n";
            outfile << "Mu2 Phi   : " << mu2.phi() << "\n";
            outfile << "---------------------" << "\n";

          }

        }

      }

    }

  }

  // -----------------------------
  //  TWO Isolated LEPTONS (mu/e)
  // -----------------------------

  //  if( N_iso_el > 0 && N_iso_mu > 0 && Fired_Control_Trigger[0] ) {
  if( N_iso_el > 0 && N_iso_mu > 0 ) {

    // Vertex cut

    if( vertex_X < vertex_X_cut_ && vertex_Y < vertex_Y_cut_ && vertex_Z < vertex_Z_cut_ ) {

      ++N_muel;

      Events_->Fill(2.);

      reco::MuonCollection::const_reference        mu1 = muons->at(0);
      reco::GsfElectronCollection::const_reference el1 = elecs->at(0);

      DilepMass = sqrt( (mu1.energy()+el1.energy())*(mu1.energy()+el1.energy())
                        - (mu1.px()+el1.px())*(mu1.px()+el1.px())
                        - (mu1.py()+el1.py())*(mu1.py()+el1.py())
                        - (mu1.pz()+el1.pz())*(mu1.pz()+el1.pz())
                        );

      // Opposite lepton charges -> Right Charge (RC)

      if( mu1.charge()*el1.charge() < 0. ) {

        dimassRC_LOG10_->Fill( log10(DilepMass) );
        dimassRC_->Fill(      DilepMass );
        dimassRC_LOGX_->Fill( DilepMass );

        if( DilepMass > MassWindow_down_ && DilepMass < MassWindow_up_ ) {

          for(muon = muons->begin(); muon!= muons->end(); ++muon) {

            pT_muons_->Fill(  muon->pt() );
            eta_muons_->Fill( muon->eta() );
            phi_muons_->Fill( muon->phi() );

          }

          for(elec = elecs->begin(); elec!= elecs->end(); ++elec) {

            pT_elecs_->Fill(  elec->pt() );
            eta_elecs_->Fill( elec->eta() );
            phi_elecs_->Fill( elec->phi() );

          }

          D_eta_lepts_->Fill(mu1.eta()-el1.eta());
          D_phi_lepts_->Fill(mu1.phi()-el1.phi());

          if(fileOutput_) {

            if( mu1.isGlobalMuon() && el1.isElectron() ) {

              outfile << "--------------------" << "\n";
              outfile << "      Run : " << N_run   << "\n";
              outfile << "    Event : " << N_event << "\n";
              outfile << "LumiBlock : " << N_lumi  << "\n";
              outfile << "     Type :  mu el" << "\n";
              outfile << "--------------------" << "\n";
              outfile << "DilepMass : " << DilepMass << "\n";
              outfile << "Mu1 Pt    : " << mu1.pt() << "\n";
              outfile << "Mu1 Eta   : " << mu1.eta() << "\n";
              outfile << "Mu1 Phi   : " << mu1.phi() << "\n";
              outfile << "El1 Pt    : " << el1.pt() << "\n";
              outfile << "El1 Eta   : " << el1.eta() << "\n";
              outfile << "El1 Phi   : " << el1.phi() << "\n";
              outfile << "--------------------" << "\n";

            }

          }

          // Determinating trigger efficiencies

          for( int k = 0; k < N_SignalPaths; ++k ) {

            if( Fired_Signal_Trigger[k] && Fired_Control_Trigger[k] )  ++N_sig[k];

            if( Fired_Control_Trigger[k] )  ++N_trig[k];

            if( N_trig[k] != 0 )  Eff[k] = N_sig[k]/static_cast<float>(N_trig[k]);

            TriggerEff_->setBinContent( k+1, Eff[k] );
            TriggerEff_->setBinLabel( k+1, "#frac{["+hltPaths_sig_[k]+"]}{vs. ["+hltPaths_trig_[k]+"]}", 1);

          }

        }

      }

      // Same muon charges -> Wrong Charge (WC)

      if( mu1.charge()*el1.charge() > 0. ) {

        dimassWC_LOG10_->Fill( log10(DilepMass) );
        dimassWC_->Fill(      DilepMass );
        dimassWC_LOGX_->Fill( DilepMass );

      }

    }

  }

  // ------------------------
  //  TWO Isolated ELECTRONS
  // ------------------------

  //  if( N_iso_el > 1 && Fired_Control_Trigger[0] ) {
  if( N_iso_el > 1 ) {

    // Vertex cut

    if( vertex_X < vertex_X_cut_ && vertex_Y < vertex_Y_cut_ && vertex_Z < vertex_Z_cut_ ) {

      ++N_elel;

      Events_->Fill(3.);

      reco::GsfElectronCollection::const_reference el1 = elecs->at(0);
      reco::GsfElectronCollection::const_reference el2 = elecs->at(1);

      DilepMass = sqrt( (el1.energy()+el2.energy())*(el1.energy()+el2.energy())
                        - (el1.px()+el2.px())*(el1.px()+el2.px())
                        - (el1.py()+el2.py())*(el1.py()+el2.py())
                        - (el1.pz()+el2.pz())*(el1.pz()+el2.pz())
                        );

      // Opposite lepton charges -> Right Charge (RC)

      if( el1.charge()*el2.charge() < 0. ) {

        dimassRC_LOG10_->Fill( log10(DilepMass) );
        dimassRC_->Fill(      DilepMass );
        dimassRC_LOGX_->Fill( DilepMass );

        if( DilepMass > MassWindow_down_ && DilepMass < MassWindow_up_ ) {

          for(elec = elecs->begin(); elec!= elecs->end(); ++elec) {

            pT_elecs_->Fill(  elec->pt() );
            eta_elecs_->Fill( elec->eta() );
            phi_elecs_->Fill( elec->phi() );

          }

          D_eta_elecs_->Fill(el1.eta()-el2.eta());
          D_phi_elecs_->Fill(el1.phi()-el2.phi());

          if(fileOutput_) {

            if( el1.isElectron() && el2.isElectron() ) {

              outfile << "--------------------" << "\n";
              outfile << "      Run : " << N_run   << "\n";
              outfile << "    Event : " << N_event << "\n";
              outfile << "LumiBlock : " << N_lumi  << "\n";
              outfile << "     Type :  el el" << "\n";
              outfile << "--------------------" << "\n";
              outfile << "DilepMass : " << DilepMass << "\n";
              outfile << "El1 Pt    : " << el1.pt() << "\n";
              outfile << "El1 Eta   : " << el1.eta() << "\n";
              outfile << "El1 Phi   : " << el1.phi() << "\n";
              outfile << "El2 Pt    : " << el2.pt() << "\n";
              outfile << "El2 Eta   : " << el2.eta() << "\n";
              outfile << "El2 Phi   : " << el2.phi() << "\n";
              outfile << "--------------------" << "\n";

            }

          }

          // Determinating trigger efficiencies

          for( int k = 0; k < N_SignalPaths; ++k ) {

            if( Fired_Signal_Trigger[k] && Fired_Control_Trigger[k] )  ++N_sig[k];

            if( Fired_Control_Trigger[k] )  ++N_trig[k];

            if( N_trig[k] != 0 )  Eff[k] = N_sig[k]/static_cast<float>(N_trig[k]);

            TriggerEff_->setBinContent( k+1, Eff[k] );
            TriggerEff_->setBinLabel( k+1, "#frac{["+hltPaths_sig_[k]+"]}{vs. ["+hltPaths_trig_[k]+"]}", 1);

          }

        }

      }

      // Same muon charges -> Wrong Charge (WC)

      if( el1.charge()*el2.charge() > 0. ) {

        dimassWC_LOG10_->Fill( log10(DilepMass) );
        dimassWC_->Fill(      DilepMass );
        dimassWC_LOGX_->Fill( DilepMass );

      }

    }

  }

}


void TopDiLeptonDQM::endRun(const edm::Run& r, const edm::EventSetup& context) {

}

void TopDiLeptonDQM::endJob() {

  if(fileOutput_)  outfile.close();

}