IDPerfMonEoverP.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
/********************************************************************
 
NAME:     IDPerfMonEoverP.cxx
PACKAGE:  InDetPerformanceMonitoring
 
AUTHORS:  A. Morley
CREATED:  Jul 2011
 
PURPOSE:  Create  a simple ntuple to perform EoverP studies with
********************************************************************/
 
// INCLUDE HEADER FILES:
#include "egammaInterfaces/IegammaTrkRefitterTool.h"
 
// INCLUDE GAUDI HEADER FILES:
#include "GaudiKernel/MsgStream.h"
#include "Gaudi/Property.h"
 
#include <algorithm>
#include <cmath>
#include <vector>
// Validation mode - TTree includes
#include "GaudiKernel/ITHistSvc.h"
 
#include "xAODMissingET/MissingET.h"
#include "xAODMissingET/MissingETContainer.h"
 
#include "TrigDecisionTool/TrigDecisionTool.h"
 
 
//#include "JetUtils/JetCaloQualityUtils.h"
#include "InDetPerformanceMonitoring/IDPerfMonEoverP.h"
 
#include "TTree.h"
#include "TMath.h"
#include "TH1F.h"
#include "TH2F.h"
#include "TLorentzVector.h"
 
using namespace std;
using namespace Trk;
//  END OF HEADER FILES INCLUDE

 
//  CONSTRUCTOR:
 
IDPerfMonEoverP::IDPerfMonEoverP(const std::string& name,
  ISvcLocator* pSvcLocator):
  AthAlgorithm(name, pSvcLocator),
  m_refittedTracks_no1{},
  m_refittedTracks_no2{},
  m_TrackRefitter(""),
  m_TrackRefitter_no2(""),
  m_trigDec("Trig::TrigDecisionTool/TrigDecisionTool"),
  m_refitEverything(true),
  m_isDATA(true),
  m_validationMode(true),
  m_fillDetailedTree(false),
  m_validationTreeName( "EGrefitter" ),
  m_validationTreeDescription( "egamma track refitter caches" ),
  m_validationTreeFolder( "/ZmumuValidationUserSel/EGrefitter"), // use same root file name as Zmumu
  m_validationTree(0),
  m_runNumber{},
  m_evtNumber{},
  m_lumi_block{},
  m_nelectrons{},
  m_electronCounter(0),
  m_nbpv{},
  m_METgoodness{},
  m_sumet{},
  m_missingEt{},
  m_missingEtx{},
  m_missingEty{},
  m_ZeeLooseMassOS_Cluster(nullptr),
  m_ZeeLooseMassSS_Cluster(nullptr),
  m_ZeeMediumMassOS_Cluster(nullptr),
  m_ZeeMediumMassSS_Cluster(nullptr),
  m_ZeeMediumOS_ClusterPtEta(nullptr),
  m_WenuLooseElectronET(nullptr),
  m_WenuTight_Met(nullptr),
  m_WenuTight_MT(nullptr),
  m_WenuTightMet_MT(nullptr),
  m_WenuTightElectronET(nullptr),
  m_WenuTightW_PT(nullptr),
  m_WenuTightElectron_PTEtaPos(nullptr),
  m_WenuTightElectron_PTEtaNeg(nullptr),
  m_smallValidationTreeName("EGrefitterSmall"),
  m_smallValidationTreeDescription("Small Tree for E/p fits"),
  m_smallValidationTreeFolder("/eoverpValidation2/efitterValidation2"),
  m_smallValidationTree(nullptr),
  m_small_QoverP{},
  m_small1_QoverP{},
  m_small2_QoverP{},
  m_smallClusterEnergy{},
  m_smallClusterPhi{},
  m_smallClusterEta{},
  m_smallTrackTheta{},
  m_smallCharge{},
  m_smalld0{},
  m_smallz0{},
  m_LHToolLoose2015{},
  m_LHToolMedium2015{},
  m_LHToolTight2015{}
{
 
// The following properties are specified at run-time
// (declared in jobOptions file)
  declareProperty("RefitTracks",                      m_refitEverything);
  declareProperty("isDATA",                           m_isDATA);
  declareProperty("FillVertexInfo",                   m_fillVertexInfo = false, "job option to activate the filling of the vertex info");
  declareProperty("ReFitterTool",                     m_TrackRefitter, "ToolHandle for track fitter implementation");
  declareProperty("ReFitterTool2",                    m_TrackRefitter_no2, "ToolHandle for track fitter implementation");
  declareProperty("TrigDecisionTool",                 m_trigDec, "The TrigDecisionTool instance.");
  declareProperty("InputElectronContainerName",       m_InputElectronContainerName  = "Electrons");
  declareProperty("InputJetContainerName",            m_jetContainerName  = "AntiKt4LCTopoJets");
  //  declareProperty("MissingEtObjectName",              m_missingEtObjectName  = "MET_RefFinal");
  declareProperty("METFinalName",                     m_metRefFinalName= "FinalClus");
  declareProperty("MissingEtObjectName",              m_missingEtObjectName  = "MET_Reference_AntiKt4LCTopo");
  declareProperty("primaryVertexCollection",          m_primaryVertexCollection = "PrimaryVertices");
  declareProperty("RefittedElectronTrackContainer1",  m_OutputTrackCollectionName_no1="GSFTracks");
  declareProperty("RefittedElectronTrackContainer2",  m_OutputTrackCollectionName_no2="DNATracks");
  declareProperty("ValidationMode",                   m_validationMode);
  declareProperty("FillDetailedTree",                 m_fillDetailedTree);
  declareProperty("ElectronLikelihoodTune",           m_lhTune="mc15_20150712");
  declareProperty("ValidationTreeFolder",             m_validationTreeFolder, "/ZmumuValidationUserSel/EGrefitter"); // use same root file name as Zmumu
}
 
// DESTRUCTOR:
 
IDPerfMonEoverP::~IDPerfMonEoverP()
{
 
}

 
// INITIALIZE METHOD:
 
StatusCode IDPerfMonEoverP::initialize()
{
  ATH_MSG_INFO("Initializing IDPerfMonEoverP");
 
  ATH_CHECK( m_evt.initialize() );
 
  // Retrieve Jet selector tool
  CHECK( m_jetCleaningTool.retrieve() );
 
  // Retrieve fitter
  if (m_TrackRefitter.retrieve().isFailure()) {
    ATH_MSG_FATAL("Unable to retrieve " << m_TrackRefitter );
    return StatusCode::FAILURE;
  } else
    ATH_MSG_INFO("Retrieved tool" << m_TrackRefitter );
 
  // Retrieve the second fitter
  if (m_TrackRefitter_no2.retrieve().isFailure()) {
    ATH_MSG_FATAL("Unable to retrieve " << m_TrackRefitter_no2 );
    return StatusCode::FAILURE;
  } else {
    ATH_MSG_INFO("Retrieved tool" << m_TrackRefitter_no2 );
  }
 
  if(m_trigDec.retrieve().isFailure()) {
    ATH_MSG_FATAL("Unable to retrieve " << m_trigDec << " turn it off");
    return StatusCode::FAILURE;
  }
  else {
    ATH_MSG_INFO("Retrieved tool " << m_trigDec );
  }
 
 
  //
  //  Electron PID Variables
  //
  // Following are of ShowerShapeType
  namespace xEgamma = xAOD::EgammaParameters;
  namespace xIso = xAOD::Iso;
  m_PID_ShowerType_Names = {
    {xEgamma::f1, "f1"},
    {xEgamma::emins1, "f1core"},
    {xEgamma::fracs1, "fside"},
    {xEgamma::e2tsts1, "Emax2"},
    {xEgamma::weta1, "ws3"},
    {xEgamma::wtots1, "wstot"},
    {xEgamma::emaxs1,"emaxs1"},
    {xEgamma::e233,"E233"},
    {xEgamma::e237,"E237"},
    {xEgamma::e277,"E277"},
    {xEgamma::weta2,"weta2"},
    {xEgamma::f3,"f3"},
    {xEgamma::f3core,"f3core"}
  };
  // Following are of isolation type
  m_PID_IsolationType_Names = {
    {xIso::etcone20,"Etcone20"},
    {xIso::etcone30,"Etcone30"},
    {xIso::etcone40,"Etcone40"},
    {xIso::ptcone30,"ptcone30"}
  };
  // Following are of trackcalomatch type
  m_PID_TrackCaloMatchType_Names = {
    {xEgamma::deltaEta1,"deltaeta1"},
    {xEgamma::deltaEta2,"deltaeta2"},
    {xEgamma::deltaPhi2,"deltaphi2"}
  };
  
 
 
  //
  //  Trigger
  //
  m_triggerNames = {
    "L1_MBTS_1", 
    "L1_EM2",
    "L1_2EM2",
    "L1_2EM4",
    "L1_EM5",
    "L1_EM10",
    "L1_EM10I",
    "L1_EM14",
    "L1_EM18",
    "L1_EM18I",
    "L1_EM23I",
    "L1_EM100",
    "EF_2e5_medium",
    "EF_e10_medium",
    "EF_e20_loose",
    "EF_em105_passHLT",
    "EF_g20_loose",
    "EF_e20_medium",
    "EF_e22_medium",
    //run 2 test
    "HLT_e24_lhmedium_idperf_L1EM20VH",
    "HLT_e24_medium_L1EM18VH",
    "e5_vloose",
    "ALL",
    "HLT_ALL"
  };
  
  // If the validation nuptle has been requested Setup the ntuple
  if (m_validationMode){
    if (m_validationTree == nullptr ){ // validation tree does not exist yet
      // create the new Tree
      ATH_MSG_DEBUG ( "Booking validationTree with name: " << m_validationTreeName );
      m_validationTree = new TTree(m_validationTreeName.c_str(), m_validationTreeDescription.c_str());
      std::string FitterNames[3] = {"GX2","Refitted1","Refitted2"};
      m_validationTree->Branch("runNumber"      ,  &m_runNumber,  "runNumber/I");
      m_validationTree->Branch("eventNumber"      ,  &m_evtNumber,  "eventNumber/I");
      m_validationTree->Branch("lumi_block"      ,  &m_lumi_block,  "lumi_block/I");
      // counter for number of electrons
      m_validationTree->Branch("nElectrons"      ,  &m_nelectrons,  "nElectrons/I");
      // Track fitter information
      for(int fitter(0); fitter < 3; ++fitter){
        m_validationTree->Branch( (FitterNames[fitter]+"_Theta").c_str()    ,  m_electronTheta[fitter],    (FitterNames[fitter]+"_Theta0[nElectrons]/F").c_str() );
        m_validationTree->Branch( (FitterNames[fitter]+"_Eta").c_str()      ,  m_electronEta[fitter],      (FitterNames[fitter]+"_Eta[nElectrons]/F").c_str() );
    m_validationTree->Branch( (FitterNames[fitter]+"_Eta").c_str()      ,  m_electronEta[fitter],      (FitterNames[fitter]+"_Eta[nElectrons]/F").c_str() );
        m_validationTree->Branch( (FitterNames[fitter]+"_Phi0").c_str()     ,  m_electronPhi[fitter],      (FitterNames[fitter]+"_Phi0[nElectrons]/F").c_str() );
        m_validationTree->Branch( (FitterNames[fitter]+"_QoverP").c_str()   ,  m_electronQoverP[fitter],   (FitterNames[fitter]+"_QoverP[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_d0").c_str()       ,  m_electrond0[fitter],       (FitterNames[fitter]+"_d0[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_z0").c_str()       ,  m_electronz0[fitter],       (FitterNames[fitter]+"_z0[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_LMQoverP").c_str() ,  m_electronLMQoverP[fitter], (FitterNames[fitter]+"_LMQoverP[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_ThetaErr").c_str() ,  m_electronErrTheta[fitter], (FitterNames[fitter]+"_Theta0Err[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_Phi0Err").c_str()  ,  m_electronErrPhi[fitter],   (FitterNames[fitter]+"_Phi0Err[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_QoverPErr").c_str(),  m_electronErrQoverP[fitter],(FitterNames[fitter]+"_QoverPErr[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_d0Err").c_str()    ,  m_electronErrd0[fitter],    (FitterNames[fitter]+"_d0Err[nElectrons]/F").c_str());
        m_validationTree->Branch( (FitterNames[fitter]+"_z0Err").c_str()    ,  m_electronErrz0[fitter],    (FitterNames[fitter]+"_z0Err[nElectrons]/F").c_str());
      }
 
      m_validationTree->Branch("associatedToVtx" ,  m_associatedToVtx, "associatedToVtx[nElectrons]/I");
      m_validationTree->Branch("nbpv",    &m_nbpv, "nbpv/I");
      m_validationTree->Branch("pvtype",  m_pvtype, "pvtype[nbpv]/I");
      m_validationTree->Branch("pvnbtk",  m_pvnbtk, "pvnbtk[nbpv]/I");
      m_validationTree->Branch("pvsumpt", m_pvsumpt, "pvsumpt[nbpv]/F");
      m_validationTree->Branch("pvx", m_pvx, "pvx[nbpv]/F");
      m_validationTree->Branch("pvy", m_pvy, "pvy[nbpv]/F");
      m_validationTree->Branch("pvz", m_pvz, "pvz[nbpv]/F");
      m_validationTree->Branch("errpvx", m_errpvx, "errpvx[nbpv]/F");
      m_validationTree->Branch("errpvy", m_errpvy, "errpvy[nbpv]/F");
      m_validationTree->Branch("errpvz", m_errpvz, "errpvz[nbpv]/F");
      m_validationTree->Branch("covpvxpvy", m_covpvxpvy, "covpvxpvy[nbpv]/F");
      m_validationTree->Branch("covpvzpvx", m_covpvzpvx, "covpvzpvx[nbpv]/F");
      m_validationTree->Branch("covpvypvz", m_covpvypvz, "covpvypvz[nbpv]/F");
 
 
      m_validationTree->Branch("METgoodness",    &m_METgoodness, "METgoodness/B");
      m_validationTree->Branch("sumet",    &m_sumet, "sumet/F");
      m_validationTree->Branch("missingEt",    &m_missingEt, "missingEt/F");
      m_validationTree->Branch("missingEtx",    &m_missingEtx, "missingEtx/F");
      m_validationTree->Branch("missingEty",    &m_missingEty, "missingEty/F");
 
 
      m_validationTree->Branch("ElectronAuthor"     ,  m_author, "ElectronAuthor[nElectrons]/I");
      m_validationTree->Branch("ClusterEnergy"      ,  m_ClusterEnergy, "ClusterEnergy[nElectrons]/F");
      m_validationTree->Branch("ClusterEta"         ,  m_ClusterEta, "ClusterEta[nElectrons]/F");
      m_validationTree->Branch("ClusterPhi"         ,  m_ClusterPhi, "ClusterPhi[nElectrons]/F");
 
      m_validationTree->Branch("IsEMLoose"          ,  m_IsEMLoose, "m_IsEMLoose[nElectrons]/O");
      m_validationTree->Branch("IsEMMedium"         ,  m_IsEMMedium, "m_IsEMMedium[nElectrons]/O");
      m_validationTree->Branch("IsEMTight"          ,  m_IsEMTight, "m_IsEMTight[nElectrons]/O");
      m_validationTree->Branch("isGoodOQ"          ,  m_isGoodOQ, "isGoodOQ[nElectrons]/O");
 
      m_validationTree->Branch("nTRT"               , m_nTRT , "nTRT[nElectrons]/I");
      m_validationTree->Branch("nSCT"               , m_nSCT, "nSCT[nElectrons]/I");
      m_validationTree->Branch("nBLayer"            , m_nBLayer, "nBLayer[nElectrons]/I");
      m_validationTree->Branch("nPIX"               , m_nPIX, "nPIX[nElectrons]/I");
      m_validationTree->Branch("nTRTout"            , m_nTRTout, "nTRTout[nElectrons]/I");
      m_validationTree->Branch("nSCTout"            , m_nSCTout, "nSCTout[nElectrons]/I");
      m_validationTree->Branch("nPIXout"            , m_nPIXout, "nPIXout[nElectrons]/I");
      m_validationTree->Branch("nTRTHT"             , m_nTRTHT, "nTRTHT[nElectrons]/I");
      m_validationTree->Branch("nTRTHout"           , m_nTRTHTout, "nTRTHTout[nElectrons]/I");
 
 
      for(unsigned int item(0); item < m_PID_ShowerType_Names.size(); ++item){
        m_validationTree->Branch( m_PID_ShowerType_Names[item].second.c_str()  , m_ePID_ShowerType[item], std::string( m_PID_ShowerType_Names[item].second + "[nElectrons]/F").c_str() );
      }
 
      for(unsigned int item(0); item < m_PID_IsolationType_Names.size(); ++item){
        m_validationTree->Branch( m_PID_IsolationType_Names[item].second.c_str()  , m_ePID_IsolationType[item], std::string( m_PID_IsolationType_Names[item].second + "[nElectrons]/F").c_str() );
      }
 
      for(unsigned int item(0); item < m_PID_TrackCaloMatchType_Names.size(); ++item){
        m_validationTree->Branch( m_PID_TrackCaloMatchType_Names[item].second.c_str()  , m_ePID_TrackCaloMatchType[item], std::string( m_PID_TrackCaloMatchType_Names[item].second + "[nElectrons]/F").c_str() );
      }
 
      for(unsigned int item(0); item < m_PID_SummaryType_Names.size(); ++item){
        m_validationTree->Branch( m_PID_SummaryType_Names[item].second.c_str()  , m_ePID_SummaryType[item], std::string( m_PID_SummaryType_Names[item].second + "[nElectrons]/F").c_str() );
      }
 
      for(unsigned int item(0); item < m_triggerNames.size(); ++item){
        m_validationTree->Branch( m_triggerNames[item].c_str()  , &m_trigger[item], std::string( m_triggerNames[item]+ "/B" ).c_str() );
      }
 
    }
 
 
    if(m_smallValidationTree == nullptr){
 
      m_smallValidationTree = new TTree(m_smallValidationTreeName.c_str(), m_smallValidationTreeDescription.c_str());
 
      m_smallValidationTree->Branch("charge",&m_smallCharge,"charge/D");
      m_smallValidationTree->Branch("runNumber"  ,  &m_runNumber,  "runNumber/I");
      m_smallValidationTree->Branch("Default_QoverP",&m_small_QoverP,"Default_QoverP/D");
      m_smallValidationTree->Branch("Refitted1_QoverP",&m_small1_QoverP,"Refitted1_QoverP/D");
      m_smallValidationTree->Branch("Refitted2_QoverP",&m_small2_QoverP,"Refitted2_QoverP/D");
      m_smallValidationTree->Branch("ClusterEnergy",&m_smallClusterEnergy,"ClusterEnergy/D");
      m_smallValidationTree->Branch("ClusterEta"   ,&m_smallClusterEta,"ClusterEta/D");
      m_smallValidationTree->Branch("ClusterPhi"   ,&m_smallClusterPhi,"ClusterPhi/D");
      m_smallValidationTree->Branch("TrackTheta"   ,&m_smallTrackTheta,"TrackTheta/D");
    }
 
    // Access THistSvc
    ServiceHandle<ITHistSvc> tHistSvc("THistSvc", name());
    if ( tHistSvc.retrieve().isSuccess()) {
      ATH_MSG_DEBUG(" initialize() THistSvc successfully retrieved ");
    }
    else {
      ATH_MSG_ERROR("initialize() Could not find Hist Service -> Switching ValidationMode Off !");
      delete m_validationTree;      m_validationTree = 0;
      delete m_smallValidationTree; m_smallValidationTree = 0;
      m_validationMode = false;
    }
    
    // now register the Tree
    if (m_validationTree != nullptr ) {
      if ( (tHistSvc->regTree(m_validationTreeFolder, m_validationTree)).isSuccess() ) {
    ATH_MSG_DEBUG( "initialize() validation tree (" << m_validationTree->GetName() <<") successfully registered in folder " << m_validationTreeFolder );
      }
      else {
    ATH_MSG_ERROR( "initialize() Could not register the validation Tree -> Switching ValidationMode Off !");
    delete m_validationTree; m_validationTree = 0;
    m_validationMode = false;
      }
    }
    else {
      ATH_MSG_DEBUG( "initialize() no validation tree to register :( ");
    }
 
    if ((tHistSvc->regTree(m_smallValidationTreeFolder, m_smallValidationTree)).isFailure() ) {
      ATH_MSG_ERROR("initialize() Could not register the validation Tree -> Switching ValidationMode Off !");
      delete m_smallValidationTree; m_smallValidationTree = 0;
      m_validationMode = false;
    }
    else {
      m_ZeeLooseMassOS_Cluster = new TH1F("ZeeMassLooseOS","ZeeMassLooseOS", 120, 60000 ,120000);
      m_ZeeLooseMassSS_Cluster  = new TH1F("ZeeMassLooseSS","ZeeMassLooseSS", 120, 60000 ,120000);
      m_ZeeMediumMassOS_Cluster = new TH1F("ZeeMassMediumOS","ZeeMassMediumOS", 120, 60000 ,120000);
      m_ZeeMediumMassSS_Cluster  = new TH1F("ZeeMassMediumSS","ZeeMassMediumSS", 120, 60000 ,120000);
      m_WenuLooseElectronET= new TH1F("WenuLooseElectronET","WenuLooseElectronET", 80, 20000 ,100000);
      m_WenuTight_Met = new TH1F("WenuTight_Met","WenuTight_Met", 120, 00000 ,120000);
      m_WenuTight_MT = new TH1F("WenuTight_MT","WenuTight_MT", 120, 00000 ,120000);
      m_WenuTightMet_MT  = new TH1F("WenuTightMet_MT","WenuTightMet_MT", 120, 00000 ,120000);
      m_WenuTightElectronET  = new TH1F("WenuTightElectronET","WenuTightElectronET", 100, 00000 ,100000);
      m_WenuTightW_PT  = new TH1F("WenuTightW_PT","WenuTightW_PT", 100, 00000 ,100000);
 
      m_ZeeMediumOS_ClusterPtEta   = new TH2F("ZeeMediumOS_ClusterPtEta", "ZeeMediumOS_ClusterPtEta",100,20000,120000,50,-2.5,2.5);
      m_WenuTightElectron_PTEtaPos = new TH2F("WenuTightElectron_PTEtaPos", "WenuTightElectron_PTEtaPos",100,20000,120000,50,-2.5,2.5);
      m_WenuTightElectron_PTEtaNeg = new TH2F("WenuTightElectron_PTEtaNeg", "WenuTightElectron_PTEtaNeg",100,20000,120000,50,-2.5,2.5);
      
      bool somethingFailed{};
      somethingFailed |= ( (tHistSvc->regHist(m_smallValidationTreeFolder + "/ZeeMassLooseOS",m_ZeeLooseMassOS_Cluster )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/ZeeMassLooseSS",m_ZeeLooseMassSS_Cluster )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/ZeeMassMediumOS",m_ZeeMediumMassOS_Cluster )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/ZeeMassMediumSS",m_ZeeMediumMassSS_Cluster )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuLooseElectronET",m_WenuLooseElectronET )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuTight_Met",m_WenuTight_Met )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuTight_MT",m_WenuTight_MT )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuTightMet_MT",m_WenuTightMet_MT )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuTightElectronET",m_WenuTightElectronET )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuTightW_PT",m_WenuTightW_PT )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/ZeeMediumOS_ClusterPtEta",m_ZeeMediumOS_ClusterPtEta )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuTightElectron_PTEtaPos",m_WenuTightElectron_PTEtaPos )).isFailure() );
      somethingFailed |=( (tHistSvc->regHist(m_smallValidationTreeFolder + "/WenuTightElectron_PTEtaNeg",m_WenuTightElectron_PTEtaNeg )).isFailure() );
      if (somethingFailed) ATH_MSG_ERROR("initialize() Could not register histogram ");
        
      ATH_MSG_INFO("Booked Small Tree add histograms");
    }
 
    ATH_MSG_INFO("Loaded THistSvc");
  }
 
  //---Electron Likelihood tool---
  ATH_MSG_INFO("IDPerfMonEoverP::Initialize() -- Setting up electron LH tool.");
  m_LHToolLoose2015  = new AsgElectronLikelihoodTool ("m_LHToolLoose2015");
  m_LHToolMedium2015 = new AsgElectronLikelihoodTool ("m_LHToolMedium2015");
  m_LHToolTight2015  = new AsgElectronLikelihoodTool ("m_LHToolTight2015");
 
  if((m_LHToolLoose2015->setProperty("primaryVertexContainer",m_primaryVertexCollection)).isFailure())
    ATH_MSG_WARNING("Failure setting primary vertex container " << m_primaryVertexCollection << "in loose electron likelihood tool");
  if((m_LHToolMedium2015->setProperty("primaryVertexContainer",m_primaryVertexCollection)).isFailure())
    ATH_MSG_WARNING("Failure setting primary vertex container " << m_primaryVertexCollection << "in medium electron likelihood tool");
  if((m_LHToolTight2015->setProperty("primaryVertexContainer",m_primaryVertexCollection)).isFailure())
    ATH_MSG_WARNING("Failure setting primary vertex container " << m_primaryVertexCollection << "in tight electron likelihood tool");
 
  //Set up electron LH level
  std::string confDir = "ElectronPhotonSelectorTools/offline/"+m_lhTune+"/";
  std::string configFileL = confDir+"ElectronLikelihoodLooseOfflineConfig2015.conf";
  std::string configFileM = confDir+"ElectronLikelihoodMediumOfflineConfig2015.conf";
  std::string configFileT = confDir+"ElectronLikelihoodTightOfflineConfig2015.conf";
 
  if((m_LHToolLoose2015->setProperty("ConfigFile",configFileL)).isFailure())
    ATH_MSG_WARNING("Failure loading ConfigFile in loose electron likelihood tool.");
  if((m_LHToolMedium2015->setProperty("ConfigFile",configFileM)).isFailure())
    ATH_MSG_WARNING("Failure loading ConfigFile in medium electron likelihood tool.");
  if((m_LHToolTight2015->setProperty("ConfigFile",configFileT)).isFailure())
    ATH_MSG_WARNING("Failure loading ConfigFile in tight electron likelihood tool.");
 
  StatusCode lhl = m_LHToolLoose2015->initialize();
  if(lhl.isFailure())
    ATH_MSG_WARNING("Loose electron likelihood tool initialize() failed!");
  StatusCode lhm = m_LHToolMedium2015->initialize();
  if(lhm.isFailure())
    ATH_MSG_WARNING("Medium electron likelihood tool initialize() failed!");
  StatusCode lht = m_LHToolTight2015->initialize();
  if(lht.isFailure())
    ATH_MSG_WARNING("Tight electron likelihood tool initialize() failed!");
  ATH_MSG_INFO( "Initialization completed successfully");
  return StatusCode::SUCCESS;
}
 
// FINALIZE METHOD:
 
StatusCode IDPerfMonEoverP::finalize()
{
  return StatusCode::SUCCESS;
}

// ATHENA EXECUTE METHOD:
StatusCode IDPerfMonEoverP::execute(const EventContext& ctx)
{
  ATH_MSG_DEBUG( "Executing IDPerfMonEoverP" );
  StatusCode sc(StatusCode::SUCCESS);
  std::map<const xAOD::TrackParticle*, VxPos > trackParticleVertexMap;
  const xAOD::Vertex* primaryVertexFirstCandidate = nullptr;
  if (m_validationMode){
   clearValidationNtuple();
  }else{
    ATH_MSG_WARNING( "  Validation Mode has been turned off ALG will do not fill Ntuples" );
    return sc;
  }
 
  ATH_MSG_DEBUG("Retrieving event info.");
  SG::ReadHandle<xAOD::EventInfo> evt(m_evt, ctx);
  if(evt.isValid()) {
    m_runNumber = evt->runNumber();
    m_evtNumber = evt->eventNumber();
    m_lumi_block = evt->lumiBlock();
    ATH_MSG_DEBUG(" --> run: " << m_runNumber << "    event: " << m_evtNumber << "    lumiblock: " << m_lumi_block );
  }
  else {
    ATH_MSG_ERROR("Could not retrieve event info."); // Keeping ERROR only to preserve old functionality
  }
 
  ATH_MSG_DEBUG("Retrieved Trigger info.");
  fillTriggerInformation();
 
  if (m_fillVertexInfo) {
    if ( not fillVertexInformation(trackParticleVertexMap, primaryVertexFirstCandidate) ){
      ATH_MSG_DEBUG("No Primary Vertex info found");
    }
  } // doVertexInfo
 
  ATH_MSG_DEBUG("MET info.being stored");
  if( storeMETinformation() ) {
    ATH_MSG_DEBUG("MET info. stored");
  }
  else { 
    ATH_MSG_DEBUG("NO MET info. stored :(");
  }
  
  // Get the electron AOD container
  const xAOD::ElectronContainer* ElectronInput_container;
  ATH_MSG_DEBUG("Retrieving ElectronInput_container: " << m_InputElectronContainerName);
  sc =  evtStore()->retrieve(ElectronInput_container, m_InputElectronContainerName);
  if (sc != StatusCode::SUCCESS){
    ATH_MSG_WARNING("No electron container --> return");
    deleteAction();
    return StatusCode::SUCCESS;
  }
 
  if (ElectronInput_container->empty() ){
    ATH_MSG_DEBUG("-- ElectronInput_container is empty -> return");
    deleteAction();
    return StatusCode::SUCCESS;
  }
 
  m_refittedTracks_no1 = new TrackCollection;
  m_refittedTracks_no2 = new TrackCollection;
 
 
  typedef xAOD::ElectronContainer::const_iterator electron_iterator;
  electron_iterator iter    = ElectronInput_container->begin();
  electron_iterator iterEnd = ElectronInput_container->end();
 
  // Loop over the Electrons
  ATH_MSG_DEBUG("Electron info. being stored");
  for(; iter != iterEnd ; ++iter) {
    ATH_MSG_DEBUG("Dealing with electron: "<< m_electronCounter+1);
    if (m_electronCounter >= NOS_ELECTRONS) break;
    const xAOD::Electron *pThisElectron = (*iter);
 
    if (pThisElectron->passSelection("LHTight") ) { // keep only tight electrons
      m_author[m_electronCounter] = pThisElectron->author(xAOD::EgammaParameters::AuthorElectron);
      
      // Cluster Info
      fillElectronInfo ( pThisElectron );
      // Fill General info
      fillGeneral( pThisElectron );
      // Fill IsEm info
      fillIsEM( pThisElectron );
      
      //Get the track particle
      const xAOD::TrackParticle* mytp = (*iter)->trackParticle();
      if ( mytp != nullptr ) ATH_MSG_DEBUG("-- electron: "<< m_electronCounter+1 << "  pt: " << mytp->p4().Perp() );
      
      if( mytp != nullptr ){
    uint8_t dummy(0);
    auto summaryByDetector=[&mytp,&dummy]( const xAOD::SummaryType & t){
      return mytp->summaryValue(dummy, t) ? (dummy) : (-1);
    };
    m_nTRT[m_electronCounter]      = summaryByDetector( xAOD::numberOfTRTHits  );
    m_nSCT[m_electronCounter]      = summaryByDetector( xAOD::numberOfSCTHits );
    m_nPIX[m_electronCounter]      = summaryByDetector( xAOD::numberOfPixelHits );
    m_nBLayer[m_electronCounter]   = summaryByDetector( xAOD::numberOfInnermostPixelLayerHits);
    m_nTRTout[m_electronCounter]   = summaryByDetector( xAOD::numberOfTRTOutliers);
    m_nSCTout[m_electronCounter]   = summaryByDetector( xAOD::numberOfSCTOutliers);
    m_nTRTHT[m_electronCounter]    = summaryByDetector( xAOD::numberOfTRTHighThresholdHits);
    m_nTRTHTout[m_electronCounter] = summaryByDetector( xAOD::numberOfTRTHighThresholdOutliers);
      }
      else{
    ATH_MSG_DEBUG("Electron with no track particle??   Possibly Forward");
    continue;
      }
      
      //Find which if any vertex the electron track is associated to
      VxPos myVxPos = findAssociatedVertex( trackParticleVertexMap,
                        primaryVertexFirstCandidate,
                        pThisElectron );
      m_associatedToVtx[m_electronCounter] = myVxPos.second;
      if( mytp->track() ){
    const Trk::Track* oTrkTrack = mytp->track();
    if (oTrkTrack){
      const Trk::Perigee* oMeasPer =  oTrkTrack->perigeeParameters() ;
      if (oMeasPer) addToValidationNtuple( oMeasPer, pThisElectron->caloCluster(), 0 );
      fillLastMeasurement( oTrkTrack , 0 );
    }
      }
      else {
    ATH_MSG_DEBUG("mytp->track() == 0");
    const Trk::Perigee* oMeasPer = &(mytp->perigeeParameters()) ;
    addToValidationNtuple( oMeasPer, pThisElectron->caloCluster(), 0 );
      }
      
 
      if(m_refitEverything) {
    // First Refitter................
    ATH_MSG_DEBUG(  "Refitting the track" );
    
    IegammaTrkRefitterTool::Cache cache1{};
    StatusCode sc = m_TrackRefitter->refitTrack(ctx,
                            pThisElectron->trackParticle()->track(),
                            cache1 );
    
    if (sc == StatusCode::SUCCESS){
      Trk::Track* trkTrack= cache1.refittedTrack.release();
      m_refittedTracks_no1->push_back(trkTrack);
      addToValidationNtuple( cache1.refittedTrackPerigee ,pThisElectron->caloCluster(), 1 );
      fillLastMeasurement(trkTrack, 1 );
    } else {
      ATH_MSG_DEBUG(  "Track Refit Failed" );
    }
    //******************************************************//
    // Refit tracks using the second refitter if it is present
    //******************************************************//
    ATH_MSG_DEBUG(  "Refitting the track again" );
    
    IegammaTrkRefitterTool::Cache cache2{};
    sc = m_TrackRefitter_no2->refitTrack(ctx,
                         pThisElectron->trackParticle()->track(),
                         cache2 );
    
    if (sc == StatusCode::SUCCESS){
      Trk::Track* trkTrack= cache2.refittedTrack.release();
      //Add the refitted track to the TrackCollection
      m_refittedTracks_no2->push_back( trkTrack );
      //Add data to the trkRefitterNtuple
      
      addToValidationNtuple( cache2.refittedTrackPerigee ,pThisElectron->caloCluster(), 2 );
      fillLastMeasurement( trkTrack, 2 );
    }
    else {
      ATH_MSG_DEBUG( "Track Refit Failed" );
    }
      }
      else {
    ATH_MSG_DEBUG(  "Not Refitting the track -- DO NOTHING" );
      }//End if >6 silicon hits;
      
      //Increment the electron counter for the validation nutple
      ++m_electronCounter;
    } // isTightElec
  } // loop on electrons
  
  // Commit Data to Ntuple;
  if( m_validationMode ) validationAction();
  // Fill much smaller tree
  std::vector<int> goodElectrons = FillSimpleTree();
  TrackCollection* selectedElectrons = new TrackCollection;
 
  for( const auto & thisGoodElectron: goodElectrons){
    IegammaTrkRefitterTool::Cache cache{}; 
    StatusCode sc = m_TrackRefitter->refitTrack(ctx,
                                                (*ElectronInput_container)[thisGoodElectron]->trackParticle()->track(),
                                                cache );
    if (sc == StatusCode::SUCCESS){
      Trk::Track* trkTrack= cache.refittedTrack.release(); 
      selectedElectrons->push_back(trkTrack);
    }
  }
  
  //******************************************************//
  //* Add the newly created TrackCollection to StoreGate *//
  //******************************************************//
 
  sc = evtStore()->record( m_refittedTracks_no1, m_OutputTrackCollectionName_no1, false );
  if (sc.isFailure())
  {
    ATH_MSG_ERROR("Could not record "<< m_OutputTrackCollectionName_no1 <<" object.");
    delete selectedElectrons;
    return (StatusCode::FAILURE);
  }
  //
  sc = evtStore()->record( m_refittedTracks_no2, m_OutputTrackCollectionName_no2, false );
  if (sc.isFailure())
  {
    ATH_MSG_ERROR("Could not record "<< m_OutputTrackCollectionName_no2 <<" object.");
    delete selectedElectrons;
    return (StatusCode::FAILURE);
  }
  //
  sc = evtStore()->record( selectedElectrons, m_OutputTrackCollectionName_no1 + "Selected", false );
    if (sc.isFailure())
  {
    ATH_MSG_ERROR("Could not record "<< m_OutputTrackCollectionName_no1+"Selected" <<" object.");
    delete selectedElectrons;
    return (StatusCode::FAILURE);
  }
  ATH_MSG_DEBUG(  "execute completed successfully");
  return StatusCode::SUCCESS;
}
 
void IDPerfMonEoverP::addToValidationNtuple(const Trk::Perigee* perigee,const xAOD::CaloCluster* /*cluster*/, int isOriginal){
  if (perigee){
    ATH_MSG_DEBUG(  "Adding data to ntuple" );
    if (isOriginal >=  0  &&  isOriginal <3){
      m_electrond0[isOriginal][m_electronCounter]    = perigee->parameters()[Trk::d0];
      m_electronz0[isOriginal][m_electronCounter]    = perigee->parameters()[Trk::z0];
      m_electronPhi[isOriginal][m_electronCounter]   = perigee->parameters()[Trk::phi0];
      m_electronTheta[isOriginal][m_electronCounter] = perigee->parameters()[Trk::theta];
      m_electronEta[isOriginal][m_electronCounter]   = perigee->eta();
      m_electronQoverP[isOriginal][m_electronCounter]= perigee->parameters()[Trk::qOverP];
      //
      const AmgSymMatrix(5)* matrix = perigee->covariance();
      if (matrix){
        m_electronErrd0[isOriginal][m_electronCounter] =std::sqrt( (*matrix)(Trk::d0,Trk::d0) );
        m_electronErrz0[isOriginal][m_electronCounter] = std::sqrt( (*matrix)(Trk::z0,Trk::z0) );
        m_electronErrPhi[isOriginal][m_electronCounter] = std::sqrt( (*matrix)(Trk::phi0,Trk::phi0) );
        m_electronErrTheta[isOriginal][m_electronCounter]= std::sqrt( (*matrix)(Trk::theta,Trk::theta) );
        m_electronErrQoverP[isOriginal][m_electronCounter]= std::sqrt( (*matrix)(Trk::qOverP,Trk::qOverP) );
      }
    }
  } else {
   ATH_MSG_DEBUG(  "No MeasuredPerigee - cannot add data to ntuple" );
  }
 
   ATH_MSG_DEBUG(  "Finished adding data to ntuple" );
}

void IDPerfMonEoverP::fillIsEM(const xAOD::Electron *eg)
{
  ATH_MSG_DEBUG(  "fillIsEM" );
  int el_goodOQ = (int)eg->isGoodOQ(xAOD::EgammaParameters::BADCLUSELECTRON);
  m_isGoodOQ[m_electronCounter] = el_goodOQ;
  // check loose LH
  bool val_loose = (bool) m_LHToolLoose2015->accept(eg);
  ATH_MSG_DEBUG( "Loose value : " << val_loose);
  if(val_loose){
    m_IsEMLoose[m_electronCounter] = val_loose;
  }//else{ATH_MSG_DEBUG("Loose electron not defined !");}
 
  // check medium LH
  bool val_med = (bool) m_LHToolMedium2015->accept(eg);
  ATH_MSG_DEBUG( "Medium value : " << val_med );
  if(val_med){
    m_IsEMMedium[m_electronCounter] = val_med;
  }//else{ATH_MSG_DEBUG("Mediu, electron not defined !");}
 
  // check tight LH
  bool val_tight = (bool) m_LHToolTight2015->accept(eg);
  ATH_MSG_DEBUG( "Tight value : " << val_tight);
  if(val_tight){
    m_IsEMTight[m_electronCounter] = val_tight;
  }//else{ATH_MSG_DEBUG("Tight electron not defined !");}
  return;
 
}
 
 
void IDPerfMonEoverP::fillGeneral(const xAOD::Electron *eg)
{
  ATH_MSG_DEBUG(  "fillGeneral" );
  const xAOD::CaloCluster* cluster = eg->caloCluster();
  if(!cluster) return;
  m_ClusterEnergy[m_electronCounter] = cluster->e();
  m_ClusterPhi[m_electronCounter] = cluster->phi();
  m_ClusterEta[m_electronCounter] = cluster->eta();
}
 
 
 
 
void IDPerfMonEoverP::clearValidationNtuple()
{
  ATH_MSG_DEBUG(  "clear ValidationNtuple variables" );
  for (int i = 0 ;  i < NOS_ELECTRONS ; ++i){
    for (int j = 0 ;  j <3 ; ++j){
      m_electrond0[j][i]        = 0;
      m_electronz0[j][i]        = 0;
      m_electronPhi[j][i]       = 0;
      m_electronTheta[j][i]     = 0;
      m_electronEta[j][i]       = 0;
      m_electronQoverP[j][i]    = 0;
      m_electronLMQoverP[j][i]  = 0;
 
      m_electronErrd0[j][i]     = 0;
      m_electronErrz0[j][i]     = 0;
      m_electronErrPhi[j][i]    = 0;
      m_electronErrTheta[j][i]  = 0;
      m_electronErrQoverP[j][i] = 0;
 
    }
    m_associatedToVtx[i] = 0;
 
    m_author[i]               = 0;
 
    m_ClusterEnergy[i]        = 0;
 
    m_IsEMLoose[i]            = false;
    m_IsEMMedium[i]           = false;
    m_IsEMTight[i]            = false;
    m_IsEMTightTRT[i]         = false;
 
 
    for (int j = 0 ;  j < 50 ; ++j){
      m_ePID_ShowerType[j][i] =0;
      m_ePID_IsolationType[j][i] =0;
      m_ePID_TrackCaloMatchType[j][i] =0;
      m_ePID_SummaryType[j][i] =0;
      m_trigger[j] = false;
    }
  }
 
 
  //Vertex information
  m_nbpv =0;
  for (int i(0); i< NO_PV; ++i){
    m_pvtype[i] =0;
    m_pvnbtk[i]=0;
    m_pvsumpt[i]=0;
    m_pvx[i]=0;
    m_pvy[i]=0;
    m_pvz[i]=0;
    m_errpvx[i]=0;
    m_errpvy[i]=0;
    m_errpvz[i]=0;
    m_covpvxpvy[i]=0;
    m_covpvypvz[i]=0;
    m_covpvzpvx[i]=0;
  }
  //MET
  m_METgoodness=false;
  m_sumet=0;
  m_missingEt=0;
  m_missingEtx=0;
  m_missingEty=0;
 
  return;
}

void IDPerfMonEoverP::deleteAction() const
{
 
}

void IDPerfMonEoverP::validationAction()
{
  ATH_MSG_DEBUG( "validationAction() -- START -- ");
  // first record the values
  if (m_validationTree){
    m_nelectrons = long(m_electronCounter);
    if(m_fillDetailedTree) {
      m_validationTree->Fill();
      ATH_MSG_DEBUG( "Writing data into ntuple " << m_validationTree->GetName() << ". Entry #" << m_validationTree->GetEntries() );
    }
    // then reset
    m_electronCounter = 0;
    ATH_MSG_DEBUG( "validationAction() -- completed -- current number of entries " << m_validationTree->GetEntries() );
  }
}
 
 
bool IDPerfMonEoverP::storeMETinformation()
{
  ATH_MSG_VERBOSE("In storeMETinformation()");
  const xAOD::MissingETContainer *pMissingCont(0);
  const xAOD::MissingET *MET;
  if (!evtStore()->contains<xAOD::MissingETContainer>(m_missingEtObjectName)){
    ATH_MSG_WARNING("No collection with name " << m_missingEtObjectName << " found in StoreGate");
    return false;
  }
 
  StatusCode sc;
  sc = evtStore()->retrieve(pMissingCont,m_missingEtObjectName);
  if (sc.isFailure()) {
    ATH_MSG_ERROR( "Could not retrieve MissingETContainer" );
    return false;
  }
  MET = (*pMissingCont)[m_metRefFinalName];
  m_METgoodness = passMETCleaningCuts();
  m_sumet       = MET->sumet();
  m_missingEt   = MET->met();
  m_missingEtx  = MET->mpx();
  m_missingEty  = MET->mpy();
  return true;
}
 
 
bool IDPerfMonEoverP::passMETCleaningCuts() const
{
  const xAOD::JetContainer* jetTDS = nullptr;
  StatusCode sc= evtStore()->retrieve( jetTDS, m_jetContainerName);
  if( sc.isFailure()  ||  !jetTDS ) {
    ATH_MSG_WARNING("No " << m_jetContainerName << " jet container found in TDS");
    return false;
  }
  if (jetTDS->empty()) return true;
  bool cleanJet = true;
  for(const auto* jet_elem : *jetTDS ) {
    if(!m_jetCleaningTool->keep( *jet_elem )) cleanJet=false;
    if(!cleanJet) break;
  }
  return cleanJet;
}

bool IDPerfMonEoverP::fillVertexInformation(std::map<const xAOD::TrackParticle*, VxPos >& trackParticleVertexMap,
                                            xAOD::Vertex const* & primaryVertexFirstCandidate)
{
  ATH_MSG_DEBUG( "fillVertexInformation() -- START --" );
  const xAOD::VertexContainer* vxContainer(0);
  int npv = 0;
  StatusCode sc = evtStore()->retrieve(vxContainer, m_primaryVertexCollection);
  if (sc.isFailure()) {
    ATH_MSG_WARNING( "Could not retrieve primary vertex info: " << m_primaryVertexCollection );
    return false;
  }
  else {
    ATH_MSG_DEBUG( "Found primary vertex info: " << m_primaryVertexCollection );
    if(vxContainer) {
      ATH_MSG_DEBUG("Nb of reco primary vertex for coll "
            << " = " << vxContainer->size() );
      primaryVertexFirstCandidate = std::begin(*vxContainer)[0];
      ATH_MSG_DEBUG( "The primary vertex type: " << primaryVertexFirstCandidate->type() );
      int vtxCount = 0;
      for(const auto* vxI : *vxContainer ) {
        int type = (int)(vxI)->vertexType();
    const xAOD::Vertex* primaryVertex = vxI;
    vtxCount++;
    ATH_MSG_DEBUG( " -- dealing with vertex " << vtxCount << "  type: " << type );
        int nbtk = 0;
    const std::vector< ElementLink< xAOD::TrackParticleContainer > > tpLinks =  vxI->trackParticleLinks();
    float sumpt = 0.;
    if(not tpLinks.empty()) {
      nbtk = tpLinks.size();
      ATH_MSG_DEBUG( " -- vertex " << vtxCount << "  has  "  << nbtk << " track particles" );
      for(const auto& tp_elem : tpLinks ){
        const xAOD::TrackParticle* trk = *tp_elem;
        if (trk != NULL) {
          VxPos myVxPos = std::make_pair(vxI,npv);
          trackParticleVertexMap.insert( std::make_pair( trk, myVxPos )  );
          if(trk) { 
        sumpt += trk->p4().Perp();
          }
        }
        else {
          ATH_MSG_DEBUG( "   -- trk is NULL :(" );
        } // trk not null
      } // loop on tracks 
      ATH_MSG_DEBUG( "Reco PV " << npv << ": ("
             << primaryVertex->position().x() << ","
             << primaryVertex->position().y() << ","
             << primaryVertex->position().z() << ")"
             << " type=" << type
             << " nbtk=" << nbtk
             << " sumpt=" << sumpt);
 
      if(npv >= NO_PV) {
        ATH_MSG_WARNING( "More than " << NO_PV << " reconstructed primary vertices in event "
                 << "for run= " << m_runNumber << " evt= " << m_evtNumber
                 << ". Truncated event. " );
      } else {
        m_pvtype[npv] = type;
        m_pvnbtk[npv] = nbtk;
        m_pvsumpt[npv] = sumpt;
        m_pvx[npv] = primaryVertex->position().x();
        m_pvy[npv] = primaryVertex->position().y();
        m_pvz[npv] = primaryVertex->position().z();
       
      }
      ++npv;
    } else {
      ATH_MSG_DEBUG( "Vertex " << npv << " has no tracks associated to it!"  );
    }
      }
    } else {
      ATH_MSG_DEBUG( "No container in collection?? " << m_primaryVertexCollection );
    }
  }
  m_nbpv = npv;
 
  ATH_MSG_DEBUG("Done filling Vertex information -- completed -- ");
 
  if (npv == 0)  return false;
  return true;
}
 
VxPos IDPerfMonEoverP::findAssociatedVertex(std::map<const xAOD::TrackParticle*, VxPos >& trackParticleVertexMap,
                                            const xAOD::Vertex* primaryVertexFirstCandidate,
                                            const xAOD::Electron* eg) const
{
  ATH_MSG_VERBOSE("In findAssociatedVertex()");
  std::map<const xAOD::TrackParticle*, VxPos>::iterator tpVx =
    trackParticleVertexMap.find(eg->trackParticle());
  if (tpVx == trackParticleVertexMap.end() ){
    return std::make_pair( primaryVertexFirstCandidate,-1 );
  } else
    return (*tpVx).second;
 
}
 
 
void IDPerfMonEoverP::fillTriggerInformation()
{
  ATH_MSG_VERBOSE("In fillTriggerInformation()");
  ATH_MSG_DEBUG( "Pass state All = " << m_trigDec->isPassed( ".*" ) );
  ATH_MSG_DEBUG( "Pass state L1 = " << m_trigDec->isPassed( "L1_.*" ) );
  ATH_MSG_DEBUG( "Pass state L2 = " << m_trigDec->isPassed( "L2_.*" ) );
  ATH_MSG_DEBUG( "Pass state EF = " << m_trigDec->isPassed( "EF_.*" ) );
  ATH_MSG_DEBUG("HLT_.* is passed: " << m_trigDec->isPassed("HLT_.*"));
  for (unsigned int i=0; i < m_triggerNames.size(); ++i){
    if(m_triggerNames[i] == "ALL")
      m_trigger[i] = m_trigDec->isPassed(".*");
    else if(m_triggerNames[i] == "HLT_ALL")
      m_trigger[i] = m_trigDec->isPassed("HLT_.*");
    else
      m_trigger[i] = m_trigDec->isPassed(m_triggerNames[i]);
  }
  return;
}
 
void IDPerfMonEoverP::fillElectronInfo (const xAOD::Electron *p)
{
  ATH_MSG_VERBOSE(  "In fillElectronInfo()" );
  for (size_t i = 0; i < m_PID_ShowerType_Names.size(); i++) {
    float dummy(-1);
    m_ePID_ShowerType[i][m_electronCounter] = static_cast<float> (p->showerShapeValue( dummy, m_PID_ShowerType_Names[i].first ))? dummy :-1;
  }
  for (size_t i = 0; i < m_PID_TrackCaloMatchType_Names.size(); i++) {
    float dummy(-1);
    m_ePID_TrackCaloMatchType[i][m_electronCounter] = static_cast<float> (p->trackCaloMatchValue( dummy, m_PID_TrackCaloMatchType_Names[i].first ))? dummy :-1;
  }
 
for (size_t i = 0; i < m_PID_SummaryType_Names.size(); i++) {
    float dummy(-1);
    m_ePID_SummaryType[i][m_electronCounter] = static_cast<float> (p->trackParticleSummaryValue( dummy, m_PID_SummaryType_Names[i].first ))? dummy :-1;
  }
 
  return;
 
}
 
bool IDPerfMonEoverP::fillLastMeasurement(const Trk::Track* track, const int fitter)
{
  ATH_MSG_VERBOSE("In fillLastMeasurement()");
  if(!track) return false;
  const Trk::TrackParameters* trkPara =0;
 
  const Trk::TrackStates* oldTrackStates = track->trackStateOnSurfaces();
  if (oldTrackStates == 0)
  {
    return false;
  }
 
  for ( Trk::TrackStates::const_reverse_iterator rItTSoS = oldTrackStates->rbegin(); rItTSoS != oldTrackStates->rend(); ++rItTSoS)
  {
    if (trkPara!=0){
        break;
    }
 
    if ( (*rItTSoS)->type(Trk::TrackStateOnSurface::Measurement) && (*rItTSoS)->trackParameters()!=0 && (*rItTSoS)->measurementOnTrack()!=0)
    {
       trkPara = (*rItTSoS)->trackParameters();
    }
  }
 
  if (trkPara !=0 ){
    m_electronLMQoverP[fitter][m_electronCounter] =  trkPara->parameters()[Trk::qOverP] ;
    return true;
  }
 
  return false;
 
}

bool IDPerfMonEoverP::passZeeSelection(std::vector<int>& electrons)
{
  ATH_MSG_VERBOSE("In passZeeSelection() -- START -- ");
  //ATH_MSG_WARNING("Zee seletion needs to be adjusted for run2");
  // Adjusted according to https://twiki.cern.ch/twiki/bin/viewauth/AtlasProtected/WZCommonAnalysisTopics2015
  if(m_nbpv<1) {
    ATH_MSG_DEBUG (" -- passZeeSelection() -- failing on primary vertices: m_nbpv= " << m_nbpv);
    return false;
  }
  
  bool primaryVertexOk(false);
  electrons.clear();
 
  for (int i=0; i<m_nbpv; ++i){
    if (m_pvnbtk[i] > 2) primaryVertexOk = true;
  }
  if(!primaryVertexOk) {
    ATH_MSG_DEBUG (" -- passZeeSelection() -- failing on primary vertices");
    return false;
  }
  //Trigger
  //No need to pass the trigger for tracking performance studies
 
  //Loose electron selection
  std::vector<int> goodLooseElectrons;
 
  for(int ele=0; ele<m_nelectrons; ele++){
    //Loose electron selection
    if (!m_IsEMLoose[ele]) continue;
    //Pt
    double clusterEt = cosh( m_ClusterEta[ele] ) != 0 ?  m_ClusterEnergy[ele] / std::cosh( m_ClusterEta[ele] ) : 0.;
    if (clusterEt <= 25000) continue;
 
    //Range
    double absEta = std::abs(m_ClusterEta[ele]);
    if (absEta >= 2.47 || ( absEta >= 1.37 && absEta <= 1.52 )) continue;
 
    //OTx ...
    if(!m_isGoodOQ[ele]) continue;
 
    //Author
    if(m_author[ele]!=1 && m_author[ele]!=3) continue;
 
    goodLooseElectrons.push_back(ele);
  }
 
  int pairsLooseInMassWindow = 0;
 
  ATH_MSG_DEBUG(" -- passZeeSelection() -- report -- N Loose electrons " << goodLooseElectrons.size());
 
  //Fill Loose electron ET spectrum;
  for(int gele1 = 0; gele1 < (int)goodLooseElectrons.size()-1; ++gele1){
    for(int gele2 = gele1+1; gele2 < (int)goodLooseElectrons.size(); ++gele2){
      int ele1 = goodLooseElectrons[gele1];
      int ele2 = goodLooseElectrons[gele2];
      double mass = getMassCluster(ele1,ele2);
      if (mass > 60000 && mass < 120000){
        ++pairsLooseInMassWindow;
        if(m_electronQoverP[0][ele1]*m_electronQoverP[0][ele2]<0)
          m_ZeeLooseMassOS_Cluster->Fill(mass);
        else
          m_ZeeLooseMassSS_Cluster->Fill(mass);
      }
    }
  }
 
  if (pairsLooseInMassWindow < 1) {
    ATH_MSG_DEBUG (" -- passZeeSelection() -- failing pairsLooseInMassWindow= " << pairsLooseInMassWindow );
    return false;
  }
  std::vector<int> goodMediumElectrons;
 
  for(int gele = 0; gele < (int)goodLooseElectrons.size(); ++gele){
    int ele  = goodLooseElectrons[gele];
    if(m_IsEMMedium[ele]){
      goodMediumElectrons.push_back(ele);
    }
  }
 
  //Reject events with more than two good electrons
  if (goodMediumElectrons.size() != 2) {
    ATH_MSG_DEBUG (" -- passZeeSelection() -- failing goodMediumElectrons != 2 --> " << goodMediumElectrons.size());
    return false;
  }
 
  // Make the mass out of the highest pt electrons ....
  double mass = getMassCluster(goodMediumElectrons[0],goodMediumElectrons[1]);
  if (mass > 66000 && mass < 116000){
    if(m_electronQoverP[0][goodMediumElectrons[0]]*m_electronQoverP[0][goodMediumElectrons[1]]<0){
      m_ZeeMediumMassOS_Cluster->Fill(mass);
      electrons.push_back(goodMediumElectrons[0]);
      electrons.push_back(goodMediumElectrons[1]);
 
      double trackEt = m_ClusterEnergy[goodMediumElectrons[0]]*sin(m_electronTheta[0][goodMediumElectrons[0]]);
      m_ZeeMediumOS_ClusterPtEta->Fill(trackEt, m_ClusterEta[0] );
      trackEt = m_ClusterEnergy[goodMediumElectrons[1]]*sin(m_electronTheta[0][goodMediumElectrons[1]]);
      m_ZeeMediumOS_ClusterPtEta->Fill(trackEt, m_ClusterEta[1] );
 
      return true;
    } else{
      m_ZeeMediumMassSS_Cluster->Fill(mass);
      return false;
    }
  }
  return false;
}

bool IDPerfMonEoverP::passWenuSelection(std::vector<int>& electrons)
{
  ATH_MSG_VERBOSE("In passWenuSelection() -- START -- ");
  if(m_nbpv<1) return false;
  bool primaryVertexOk(false);
  electrons.clear();
 
  for (int i(0); i<m_nbpv; ++i){
    if (m_pvnbtk[i] > 2) primaryVertexOk = true;
  }
  if(!primaryVertexOk) {
    ATH_MSG_DEBUG (" -- passWenuSelection() -- failing on primary vertices");
    return false;
  }
  
  //MET Goodness
  if( m_isDATA && !m_METgoodness) {
    ATH_MSG_DEBUG (" -- passWenuSelection() -- failing on m_isDATA && !m_METgoodness");
    return false;
  }
 
  //Trigger
  //no need to pass trigger for perfromance studies
 
 
  //Loose electron selection
  std::vector<int> goodLooseElectrons;
  for(int ele(0); ele<m_nelectrons; ++ele){
    //Loose electron selection
    if (!m_IsEMLoose[ele]) continue;
    //Pt
    double clusterEt = cosh( m_ClusterEta[ele] ) != 0 ?  m_ClusterEnergy[ele] / std::cosh( m_ClusterEta[ele] ) : 0.;
    if (clusterEt <= 25000) continue;
    //Range
    double absEta = std::abs(m_ClusterEta[ele]);
    if (absEta >= 2.47 || ( absEta >= 1.37 && absEta <= 1.52 ) ) continue;
    //OTx ...
    if(!m_isGoodOQ[ele]) continue;
    //Author
    if(m_author[ele]!=1 && m_author[ele]!=3) continue;
    goodLooseElectrons.push_back(ele);
  }
 
  //Fill Loose electron ET spectrum;
  for(int gele(0); gele < (int) goodLooseElectrons.size(); ++gele){
    int ele  = goodLooseElectrons[gele];
    double trackEt = m_ClusterEnergy[gele]*sin(m_electronTheta[0][ele]);
    m_WenuLooseElectronET->Fill(trackEt);
  }
 
  int nMediumElectrons(0);
  int nTightElectrons(0);
  int tightElectron(0);
 
  for(int gele(0); gele < (int) goodLooseElectrons.size(); ++gele){
    //
    int ele  = goodLooseElectrons[gele];
    if(m_IsEMMedium[ele]) ++nMediumElectrons;
    if (!m_IsEMTight[ele]) continue;
    ++nTightElectrons;
    tightElectron = ele;
  }
 
  //Reject events with more than one good electron
  if (nMediumElectrons >2) {
    ATH_MSG_DEBUG (" -- passWenuSelection() -- failing number of medium electrons cut " << nMediumElectrons ); 
    return false;
  }
  //Reject events with no tight electrons;
  if (nTightElectrons <1) {
    ATH_MSG_DEBUG (" -- passWenuSelection() -- failing number of tight electrons cut " << nTightElectrons ); 
    return false;
  }
  double metphi = atan2(m_missingEty,m_missingEtx);
  double trackEt = m_ClusterEnergy[tightElectron]*std::sin(m_electronTheta[0][tightElectron]);
  double clusterEt = std::cosh( m_ClusterEta[tightElectron] ) !=0 ?  m_ClusterEnergy[tightElectron] / std::cosh( m_ClusterEta[tightElectron] ) : 0.;
 
  double massT = 2*m_missingEt*trackEt*(1-cos(m_electronPhi[0][tightElectron]-metphi));
  if(massT > 0) massT =std::sqrt(massT);
  else massT = 0;
 
 
  m_WenuTight_Met->Fill(m_missingEt);
  m_WenuTight_MT->Fill(massT);
 
  if (m_missingEt <= 25000) {
    ATH_MSG_DEBUG (" -- passWenuSelection() -- failing missingEt cut " << m_missingEt );
    return false;
  }
  m_WenuTightMet_MT->Fill(massT);
 
  if (massT <= 50000) {
    ATH_MSG_DEBUG (" -- passWenuSelection() -- failing transverse mass cut " << massT );
    return false;
  }
 
  m_WenuTightElectronET->Fill(clusterEt);
 
  double sumpx = m_ClusterEnergy[tightElectron]*std::sin( m_electronPhi[0][tightElectron] ) * std::sin(m_electronTheta[0][tightElectron]) + m_missingEtx;
  double sumpy = m_ClusterEnergy[tightElectron]*std::cos( m_electronPhi[0][tightElectron] ) * std::sin(m_electronTheta[0][tightElectron]) + m_missingEty;
 
  double wpt = sumpx*sumpx +sumpy*sumpy - massT*massT;
  if(wpt > 0) wpt  =std::sqrt(wpt);
  else wpt = 0;
 
  m_WenuTightW_PT->Fill(wpt);
 
 
  if(m_electronQoverP[0][tightElectron] > 0){
    m_WenuTightElectron_PTEtaPos->Fill(trackEt,m_ClusterEta[tightElectron]);
  } else {
    m_WenuTightElectron_PTEtaNeg->Fill(trackEt,m_ClusterEta[tightElectron]);
  }
 
  electrons.push_back(tightElectron);
 
  ATH_MSG_VERBOSE("In passWenuSelection() -- completed -- ");
  return true;
}
 
double IDPerfMonEoverP::getMassCluster(int el1, int el2)
{
  ATH_MSG_VERBOSE("In getMassCluster()");
  double ELECTRON_MASS  = ParticleConstants::electronMassInMeV; //MeV
  TLorentzVector v0,v1;
  double pt1 = m_ClusterEnergy[el1]*std::sin(m_electronTheta[0][el1]);
  double pt2 = m_ClusterEnergy[el2]*std::sin(m_electronTheta[0][el2]);
  double eta1 = -std::log( std::tan(m_electronTheta[0][el1] * 0.5) );
  double eta2 = -std::log( std::tan(m_electronTheta[0][el2] * 0.5) );
  v0.SetPtEtaPhiM(pt1,eta1,m_electronPhi[0][el1], ELECTRON_MASS);
  v1.SetPtEtaPhiM(pt2,eta2,m_electronPhi[0][el2], ELECTRON_MASS);
  double mass  =  (v0+v1).M();
  return mass;
 
}
 
std::vector<int> IDPerfMonEoverP::FillSimpleTree()
{
  ATH_MSG_VERBOSE("In fillSimpleTree()");
  std::vector<int> electronsZee;
  std::vector<int> electronsWenu;
 
  // check if Zee or Wenu event
  passZeeSelection(electronsZee);
  passWenuSelection(electronsWenu);
 
  std::vector<int> allInterestingElectrons;
  for(int i(0); i < (int)electronsZee.size(); ++i){
    int ele  = electronsZee[i];
    if ( std::find(allInterestingElectrons.begin(), allInterestingElectrons.end(), ele)==allInterestingElectrons.end() ){
      allInterestingElectrons.push_back(ele);
    }
  }
  for(int i(0); i < (int)electronsWenu.size(); ++i){
    int ele  = electronsWenu[i];
    if ( std::find(allInterestingElectrons.begin(), allInterestingElectrons.end(), ele)==allInterestingElectrons.end() ){
      allInterestingElectrons.push_back(ele);
    }
  }
  ATH_MSG_DEBUG(" SimpleTreeElectrons " << allInterestingElectrons.size() );
  for(int i(0); i < (int)allInterestingElectrons.size(); ++i){
    int ele = allInterestingElectrons[i];
    if (m_electronQoverP[0][ele] > 0 )
      m_smallCharge = 1.;
    else
      m_smallCharge =-1.;
    m_smallTrackTheta    = m_electronTheta[0][ele];
    m_small_QoverP       = m_electronQoverP[0][ele];
    m_small1_QoverP      = m_electronQoverP[1][ele];
    m_small2_QoverP      = m_electronQoverP[2][ele];
    m_smallClusterEnergy = m_ClusterEnergy[ele];
    m_smallClusterPhi    = m_ClusterPhi[ele];
    m_smallClusterEta    = m_ClusterEta[ele];
    m_smallValidationTree->Fill();
  }
 
  return allInterestingElectrons;
}