/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/Calibration/HcalCalibAlgos/plugins/ValidIsoTrkCalib.cc

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//
// Package:    ValidIsoTrkCalib
// Class:      ValidIsoTrkCalib
// 

/*
 Description: Validation for Isolated tracks Calibration
 
 Implementation:
See the twiki page for details:
https://twiki.cern.ch/twiki/bin/view/CMS/ValidIsoTrkCalib

*/

//
// Original Author:  Andrey Pozdnyakov
//         Created:  Tue Nov  4 01:16:05 CET 2008
// $Id: ValidIsoTrkCalib.cc,v 1.11 2010/01/29 19:58:02 andrey Exp $
//

// system include files

#include <memory>

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/ESHandle.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "DataFormats/HcalRecHit/interface/HcalRecHitCollections.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
#include "TrackingTools/TrackAssociator/interface/TrackDetectorAssociator.h"
#include "DataFormats/EcalDetId/interface/EcalSubdetector.h"
#include "DataFormats/EcalDetId/interface/EBDetId.h"
#include "DataFormats/EcalDetId/interface/EEDetId.h"
#include "DataFormats/HcalIsolatedTrack/interface/IsolatedPixelTrackCandidate.h"
#include "DataFormats/HcalIsolatedTrack/interface/IsolatedPixelTrackCandidateFwd.h"

#include "DataFormats/HcalDetId/interface/HcalDetId.h"
#include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloCellGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/CaloEventSetup/interface/CaloTopologyRecord.h"
#include "Geometry/CommonDetUnit/interface/GeomDetUnit.h"
#include "CondFormats/HcalObjects/interface/HcalRespCorrs.h"
#include "CondFormats/DataRecord/interface/HcalRespCorrsRcd.h"
//TFile Service
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"
#include "Calibration/HcalCalibAlgos/src/MaxHit_struct.h"

#include "TROOT.h"
#include "TFile.h"
#include "TTree.h"
#include "TH1F.h"


#include <fstream>
#include <map>

using namespace edm;
using namespace std;
using namespace reco;

class ValidIsoTrkCalib : public edm::EDAnalyzer {
public:
  explicit ValidIsoTrkCalib(const edm::ParameterSet&);
  ~ValidIsoTrkCalib();

  double getDistInPlaneSimple(const GlobalPoint caloPoint, const GlobalPoint rechitPoint);

private:

  virtual void beginJob() ;
  virtual void analyze(const edm::Event&, const edm::EventSetup&);
  virtual void endJob() ;


    
  // ----------member data ---------------------------
  
  //Variables from HcalIsotrackAnalyzer

  TrackDetectorAssociator trackAssociator_;
  TrackAssociatorParameters parameters_;
  double taECALCone_;
  double taHCALCone_;

  const CaloGeometry* geo;
  InputTag genTracksLabel_;
  InputTag genhbheLabel_;
  InputTag genhoLabel_;
  std::vector<edm::InputTag> genecalLabel_;
  InputTag hbheLabel_;
  InputTag hoLabel_;
  InputTag trackLabel_;
  InputTag trackLabel1_;
  
  //std::string m_inputTrackLabel;
  //std::string m_hcalLabel;

  double associationConeSize_;
  string AxB_;
  double calibrationConeSize_;

  bool allowMissingInputs_;
  string outputFileName_;
  //string calibFactorsFileName_;
  //  string corrfile;
  
  bool takeGenTracks_;
  //bool takeAllRecHits_, takeGenTracks_;
  int gen, iso, pix;
  float genPt[500], genPhi[500], genEta[500];
  float isoPt[500], isoPhi[500], isoEta[500];
  float pixPt[500], pixPhi[500], pixEta[500];
  //int  hbheiEta[5000],hbheiPhi[5000],hbheDepth[5000];  
  //float hbheEnergy[5000];  


  int NisoTrk;
  float trackPt, trackE, trackEta, trackPhi;
  float ptNear;
  float ptrack, rvert;
  //float eecal, ehcal;

  int MinNTrackHitsBarrel, MinNTECHitsEndcap;
  double energyECALmip, maxPNear;
  double energyMinIso, energyMaxIso;


  Float_t emEnergy;
  Float_t targetE;

  //TFile* rootFile;
  //  TTree* tree;
  TTree *tTree, *fTree;

  Float_t xTrkEcal;
  Float_t yTrkEcal;
  Float_t zTrkEcal;

  Float_t xTrkHcal;
  Float_t yTrkHcal;
  Float_t zTrkHcal;

  int Nhits;
  float eClustBefore;  //Calo energy before calibration
  float eClustAfter;   //After calibration
  float eTrack;      //Track energy
  float etaTrack;     
  float phiTrack;      
  float eECAL;      // Energy deposited in ECAL
  int numHits;       //number of rechits
  //float e3x3;

  float eBeforeDepth1;
  float eAfterDepth1;
  float eBeforeDepth2;
  float eAfterDepth2;
  float eCentHitBefore;
  float eCentHitAfter;
  float CentHitFactor;
  int iEta;
  int iPhi;
  int iEtaTr;
  int iPhiTr;
  float iDr, delR;
  int dietatr;
  int diphitr;

  float iTime;
  float HTime[100];
  float e3x3Before;
  float e3x3After;
  float e5x5Before;
  float e5x5After;
  int eventNumber;
  int runNumber;
  float PtNearBy;
  float numVH, numVS, numValidTrkHits, numValidTrkStrips;

  const HcalRespCorrs* respRecalib;
 //  map<UInt_t, Float_t> CalibFactors; 
  //  Bool_t ReadCalibFactors(string);

  TH1F *nTracks;

  edm::Service<TFileService> fs;
  // int Lumi_n;

  
};

double ValidIsoTrkCalib::getDistInPlaneSimple(const GlobalPoint caloPoint,
                            const GlobalPoint rechitPoint)
{

  // Simplified version of getDistInPlane
  // Assume track direction is origin -> point of hcal intersection

  const GlobalVector caloIntersectVector(caloPoint.x(),
                                         caloPoint.y(),
                                         caloPoint.z());

  const GlobalVector caloIntersectUnitVector = caloIntersectVector.unit();

  const GlobalVector rechitVector(rechitPoint.x(),
                                  rechitPoint.y(),
                                  rechitPoint.z());

  const GlobalVector rechitUnitVector = rechitVector.unit();
  double dotprod = caloIntersectUnitVector.dot(rechitUnitVector);
  double rechitdist = caloIntersectVector.mag()/dotprod;


  const GlobalVector effectiveRechitVector = rechitdist*rechitUnitVector;
  const GlobalPoint effectiveRechitPoint(effectiveRechitVector.x(),
                                         effectiveRechitVector.y(),
                                         effectiveRechitVector.z());


  GlobalVector distance_vector = effectiveRechitPoint-caloPoint;

  if (dotprod > 0.)
  {
    return distance_vector.mag();
  }
  else
  {
    return 999999.;

  }


}


ValidIsoTrkCalib::ValidIsoTrkCalib(const edm::ParameterSet& iConfig)
  
{

  //takeAllRecHits_=iConfig.getUntrackedParameter<bool>("takeAllRecHits");
  takeGenTracks_=iConfig.getUntrackedParameter<bool>("takeGenTracks");

  genTracksLabel_ = iConfig.getParameter<edm::InputTag>("genTracksLabel");
  genhbheLabel_= iConfig.getParameter<edm::InputTag>("genHBHE");
  //genhoLabel_=iConfig.getParameter<edm::InputTag>("genHO");
  //genecalLabel_=iConfig.getParameter<std::vector<edm::InputTag> >("genECAL");

  // m_hcalLabel = iConfig.getUntrackedParameter<std::string> ("hcalRecHitsLabel","hbhereco");

  hbheLabel_= iConfig.getParameter<edm::InputTag>("hbheInput");
  hoLabel_=iConfig.getParameter<edm::InputTag>("hoInput");
  //eLabel_=iConfig.getParameter<edm::InputTag>("eInput");
  trackLabel_ = iConfig.getParameter<edm::InputTag>("HcalIsolTrackInput");
  trackLabel1_ = iConfig.getParameter<edm::InputTag>("trackInput");

  associationConeSize_=iConfig.getParameter<double>("associationConeSize");
  allowMissingInputs_=iConfig.getUntrackedParameter<bool>("allowMissingInputs", true);
//  outputFileName_=iConfig.getParameter<std::string>("outputFileName");
  //  calibFactorsFileName_=iConfig.getParameter<std::string>("calibFactorsFileName");


  AxB_=iConfig.getParameter<std::string>("AxB");
  calibrationConeSize_=iConfig.getParameter<double>("calibrationConeSize");

  MinNTrackHitsBarrel =  iConfig.getParameter<int>("MinNTrackHitsBarrel");
  MinNTECHitsEndcap =  iConfig.getParameter<int>("MinNTECHitsEndcap");
  energyECALmip = iConfig.getParameter<double>("energyECALmip");
  energyMinIso = iConfig.getParameter<double>("energyMinIso");
  energyMaxIso = iConfig.getParameter<double>("energyMaxIso");
  maxPNear = iConfig.getParameter<double>("maxPNear");

  edm::ParameterSet parameters = iConfig.getParameter<edm::ParameterSet>("TrackAssociatorParameters");
  parameters_.loadParameters( parameters );
  trackAssociator_.useDefaultPropagator();

  taECALCone_=iConfig.getUntrackedParameter<double>("TrackAssociatorECALCone",0.5);
  taHCALCone_=iConfig.getUntrackedParameter<double>("TrackAssociatorHCALCone",0.6);

}


ValidIsoTrkCalib::~ValidIsoTrkCalib()
{
 
   // do anything here that needs to be done at desctruction time
   // (e.g. close files, deallocate resources etc.)

}


// ------------ method called to for each event  ------------
void
ValidIsoTrkCalib::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{
   using namespace edm;
   
 try{
   edm::ESHandle <HcalRespCorrs> recalibCorrs;
   iSetup.get<HcalRespCorrsRcd>().get("recalibrate",recalibCorrs);
   respRecalib = recalibCorrs.product();

   LogInfo("CalibConstants")<<"  Loaded:  OK ";

 }catch(const cms::Exception & e) {
   LogWarning("CalibConstants")<<"   Not Found!! ";
 }

   edm::Handle<reco::TrackCollection> generalTracks;
   iEvent.getByLabel(genTracksLabel_, generalTracks);

  edm::Handle<reco::TrackCollection> isoProdTracks;
  iEvent.getByLabel(trackLabel1_,isoProdTracks);


  edm::Handle<reco::IsolatedPixelTrackCandidateCollection> pixelTracks;
  //edm::Handle<reco::TrackCollection> pixelTracks;
  iEvent.getByLabel(trackLabel_,pixelTracks);
  
  /*
  edm::Handle<EcalRecHitCollection> ecal;
  iEvent.getByLabel(eLabel_,ecal);
  const EcalRecHitCollection Hitecal = *(ecal.product());
  */

  edm::Handle<HBHERecHitCollection> hbhe;
  iEvent.getByLabel(hbheLabel_,hbhe);
  const HBHERecHitCollection Hithbhe = *(hbhe.product());

  edm::ESHandle<CaloGeometry> pG;
  iSetup.get<CaloGeometryRecord>().get(pG);
  geo = pG.product();

  // Lumi_n=iEvent.luminosityBlock();
  parameters_.useEcal = true;
  parameters_.useHcal = true;
  parameters_.useCalo = false;
  parameters_.useMuon = false;
  parameters_.dREcal = taECALCone_;
  parameters_.dRHcal = taHCALCone_;


  //cout<<"Hello World. TrackCollectionSize: "<< pixelTracks->size()<<endl;

  //cout<<" generalTracks Size: "<< generalTracks->size()<<endl;
  int n = generalTracks->size();
  nTracks->Fill(n);

  if(takeGenTracks_ && iEvent.id().event()%10==1)
    {
      gen = generalTracks->size();
      iso = isoProdTracks->size();
      pix = pixelTracks->size();
      
      genPt[0] = -33;             
      genPhi[0] = -33;            
      genEta[0] = -33;            
      
      isoPt[0] = -33;             
      isoPhi[0] = -33;            
      isoEta[0] = -33;            
      
      pixPt[0] = -33;             
      pixPhi[0] = -33;            
      pixEta[0] = -33;            
      
      Int_t gencount=0, isocount=0, pixcount=0;
      for (reco::TrackCollection::const_iterator gentr=generalTracks->begin(); gentr!=generalTracks->end(); gentr++)
        {
          genPt[gencount] = gentr->pt();          
          genPhi[gencount] = gentr->phi();        
          genEta[gencount] = gentr->eta();        
          gencount++;
        }
      
      for (reco::TrackCollection::const_iterator isotr=isoProdTracks->begin(); isotr!=isoProdTracks->end(); isotr++)
        {
          isoPt[isocount] = isotr->pt();          
          isoPhi[isocount] = isotr->phi();        
          isoEta[isocount] = isotr->eta();        
          isocount++;
        }
      
      for (reco::IsolatedPixelTrackCandidateCollection::const_iterator pixtr=pixelTracks->begin(); pixtr!=pixelTracks->end(); pixtr++)
        {
          pixPt[pixcount] = pixtr->pt();          
          pixPhi[pixcount] = pixtr->phi();        
          pixEta[pixcount] = pixtr->eta();        
          pixcount++;
        }
    }

  tTree -> Fill();

if (pixelTracks->size()==0) return;
  

for (reco::TrackCollection::const_iterator trit=isoProdTracks->begin(); trit!=isoProdTracks->end(); trit++)
    {
      
      reco::IsolatedPixelTrackCandidateCollection::const_iterator isoMatched=pixelTracks->begin();
      //reco::TrackCollection::const_iterator isoMatched=pixelTracks->begin();
      bool matched=false;
 
   //for (reco::IsolatedPixelTrackCandidateCollection::const_iterator trit = pixelTracks->begin(); trit!=pixelTracks->end(); trit++)
   for (reco::IsolatedPixelTrackCandidateCollection::const_iterator it = pixelTracks->begin(); it!=pixelTracks->end(); it++)
   //for (reco::TrackCollection::const_iterator it = pixelTracks->begin(); it!=pixelTracks->end(); it++)
   { 

          if (abs((trit->pt() - it->pt())/it->pt()) < 0.005 && abs(trit->eta() - it->eta()) < 0.01) 
           {
             isoMatched=it;
             matched=true;
             break;
           }
        }
      // CUT

   if (!matched) continue;
   if(isoMatched->maxPtPxl() > maxPNear) continue;
    
   ptNear = isoMatched->maxPtPxl();      
   //cout<<"Point 0.1  isoMatch. ptnear: "<<ptNear<<endl;

      
      // CUT
      if (trit->hitPattern().numberOfValidHits()<MinNTrackHitsBarrel) continue;
      if (fabs(trit->eta())>1.47&&trit->hitPattern().numberOfValidStripTECHits()<MinNTECHitsEndcap) continue;

      //cout<<"Point 0.2.1 after numofvalidhits HB: "<<trit->hitPattern().numberOfValidHits()<<endl;
      //cout<<"Point 0.2.2 after numofvalidstrips HE: "<<trit->hitPattern().numberOfValidStripTECHits()<<endl;

  numVH = trit->hitPattern().numberOfValidHits();
  numVS = trit->hitPattern().numberOfValidStripTECHits();
      
    
      
      trackE = sqrt(trit->px()*trit->px()+trit->py()*trit->py()+trit->pz()*trit->pz()+0.14*0.14);
      trackPt = trit->pt();
      trackEta = trit->eta();
      trackPhi = trit->phi();

      emEnergy = isoMatched->energyIn();

      //cout<<"Point 0.3.  Matched :: pt: "<<trit->pt()<<" wholeEnergy: "<<trackE<<"  emEnergy: "<<emEnergy<<"  eta: "<<etahcal<<" phi: "<<phihcal<<endl;
      //cout<<"Point 0.4.  EM energy in cone: "<<emEnergy<<"  EtaHcal: "<<etahcal<<"  PhiHcal: "<<phihcal<<endl;

      TrackDetMatchInfo info = trackAssociator_.associate(iEvent, iSetup,trackAssociator_.getFreeTrajectoryState(iSetup, *trit), parameters_);
      
      //float etaecal=info.trkGlobPosAtEcal.eta();
      //float phiecal=info.trkGlobPosAtEcal.phi();
      

      float etahcal=info.trkGlobPosAtHcal.eta();
      float phihcal=info.trkGlobPosAtHcal.phi();


        xTrkEcal=info.trkGlobPosAtEcal.x();
        yTrkEcal=info.trkGlobPosAtEcal.y();
        zTrkEcal=info.trkGlobPosAtEcal.z();

        xTrkHcal=info.trkGlobPosAtHcal.x();
        yTrkHcal=info.trkGlobPosAtHcal.y();
        zTrkHcal=info.trkGlobPosAtHcal.z();

        GlobalPoint gP(xTrkHcal,yTrkHcal,zTrkHcal);


        int iphitrue = -10;
        int ietatrue = 100;

        if (abs(etahcal)<1.392) 
          {
            const CaloSubdetectorGeometry* gHB = geo->getSubdetectorGeometry(DetId::Hcal,HcalBarrel);
            const HcalDetId tempId = gHB->getClosestCell(gP);
            ietatrue = tempId.ieta();
            iphitrue = tempId.iphi();
          }

        if (abs(etahcal)>1.392 &&  abs(etahcal)<3.0) 
          {
            const CaloSubdetectorGeometry* gHE = geo->getSubdetectorGeometry(DetId::Hcal,HcalEndcap);
            const HcalDetId tempId = gHE->getClosestCell(gP);
            ietatrue = tempId.ieta();
            iphitrue = tempId.iphi();
          }

      /*
        float dphi = fabs(info.trkGlobPosAtHcal.phi() - phihit); 
        if(dphi > 4.*atan(1.)) dphi = 8.*atan(1.) - dphi;
        float deta = fabs(info.trkGlobPosAtHcal.eta() - etahit); 
        float dr = sqrt(dphi*dphi + deta*deta);
      */


       MaxHit_struct MaxHit;
       
       MaxHit.hitenergy=-100.;

      //container for used recHits
      std::vector<int> usedHits; 
      //  
      usedHits.clear();
      //cout <<"Point 1. Entrance to HBHECollection"<<endl;

      //float dddeta = 1000.;
      //float dddphi = 1000.;
      //int iphitrue = 1234;
      //int ietatrue = 1234;

      GlobalPoint gPhot;


      for (HBHERecHitCollection::const_iterator hhit=Hithbhe.begin(); hhit!=Hithbhe.end(); hhit++) 
        {
          
          //check that this hit was not considered before and push it into usedHits
          bool hitIsUsed=false;
          int hitHashedIndex=hhit->id().hashed_index();
          for (uint32_t i=0; i<usedHits.size(); i++)
            {
              if (usedHits[i]==hitHashedIndex) hitIsUsed=true;
            }
          if (hitIsUsed) continue;
          usedHits.push_back(hitHashedIndex);
          //

          // rof 16.05.2008 start: include the possibility for recalibration
          float recal = 1;
          // rof end

          GlobalPoint pos = geo->getPosition(hhit->detid());
          float phihit = pos.phi();
          float etahit = pos.eta();
          
          int iphihitm  = (hhit->id()).iphi();
          int ietahitm  = (hhit->id()).ieta();
          int depthhit = (hhit->id()).depth();
          float enehit = hhit->energy() * recal;
          
          if (depthhit!=1) continue;
           
          float dphi = fabs(phihcal - phihit); 
          if(dphi > 4.*atan(1.)) dphi = 8.*atan(1.) - dphi;
          float deta = fabs(etahcal - etahit); 
          float dr = sqrt(dphi*dphi + deta*deta);
          
          /*
          if (deta<dddeta) {
           ietatrue = ietahitm;
           dddeta=deta;
          }
          
          if (dphi<dddphi) {
          iphitrue = iphihitm;
          dddphi=dphi;
          }
          */
          
          if(dr<associationConeSize_) 
            {
              
              for (HBHERecHitCollection::const_iterator hhit2=Hithbhe.begin(); hhit2!=Hithbhe.end(); hhit2++) 
                {
                  int iphihitm2  = (hhit2->id()).iphi();
                  int ietahitm2  = (hhit2->id()).ieta();
                  int depthhit2 = (hhit2->id()).depth();
                  float enehit2 = hhit2->energy() * recal;
                  
                  if (iphihitm==iphihitm2 && ietahitm==ietahitm2  && depthhit!=depthhit2)  enehit = enehit+enehit2;
                
                }                 
              

              //cout<<"IN CONE ieta: "<<ietahitm<<"  iphi: "<<iphihitm<<" depthhit: "<<depthhit<<"  dr: "<<dr<<" energy: "<<enehit<<endl;        

              //Find a Hit with Maximum Energy
              
              if(enehit > MaxHit.hitenergy) 
                {
                  MaxHit.hitenergy =  enehit;
                  MaxHit.ietahitm   = (hhit->id()).ieta();
                  MaxHit.iphihitm   = (hhit->id()).iphi();
                  MaxHit.dr   = dr;
                  //MaxHit.depthhit  = (hhit->id()).depth();
                  MaxHit.depthhit  = 1;

                  //gPhot = geo->getPosition(hhit->detid());
                }

            }
        } //end of all HBHE hits cycle
      
      usedHits.clear();

      //cout<<"Hottest ieta: "<<MaxHit.ietahitm<<"  iphi: "<<MaxHit.iphihitm<<"  dr: "<<MaxHit.dr<<endl;    
      //cout<<"Track   ieta: "<<ietatrue<<"  iphi: "<<iphitrue<<endl;    
      
      //cout<<"Point 3.  MaxHit :::En "<<MaxHit.hitenergy<<"  ieta: "<<MaxHit.ietahitm<<"  iphi: "<<MaxHit.iphihitm<<endl;
      
      Bool_t passCuts = kFALSE;
      if(trackE > energyMinIso && trackE < energyMaxIso && emEnergy < energyECALmip && MaxHit.hitenergy > 0. && abs(MaxHit.ietahitm)<29) passCuts = kTRUE;
      
      //cout<<"Pont 0.1.1.  trackE:"<<trackE<<"  emEn: "<<emEnergy<<endl;
      

      numHits=0;
      
      eClustBefore = 0.0;
      eClustAfter = 0.0;
      eBeforeDepth1 = 0.0;
      eAfterDepth1 = 0.0;
      eBeforeDepth2 = 0.0;    
      eAfterDepth2 = 0.0;
      CentHitFactor = 0.0; 
      e3x3After = 0.0;
      e3x3Before = 0.0;
      e5x5After = 0.0;
      e5x5Before = 0.0;

                  
      for (HBHERecHitCollection::const_iterator hhit=Hithbhe.begin(); hhit!=Hithbhe.end(); hhit++) 
        {
          
          //check that this hit was not considered before and push it into usedHits
          bool hitIsUsed=false;
          int hitHashedIndex=hhit->id().hashed_index();
          for (uint32_t i=0; i<usedHits.size(); i++)
            {
              if (usedHits[i]==hitHashedIndex) hitIsUsed=true;
            }
          if (hitIsUsed) continue;
          usedHits.push_back(hitHashedIndex);
          
          int DIETA = 100;
          if(MaxHit.ietahitm*(hhit->id()).ieta()>0)
            {
              DIETA = MaxHit.ietahitm - (hhit->id()).ieta();
            }
          if(MaxHit.ietahitm*(hhit->id()).ieta()<0)
            {
              DIETA = MaxHit.ietahitm - (hhit->id()).ieta();
              DIETA = DIETA>0 ? DIETA-1 : DIETA+1; 
            }
          
          int DIPHI = abs(MaxHit.iphihitm - (hhit->id()).iphi());
          DIPHI = DIPHI>36 ? 72-DIPHI : DIPHI;
          


          int numbercell=100; //always collect Wide clastor!

          //if(AxB_=="5x5" || AxB_=="3x3" || AxB_=="7x7"|| AxB_=="Cone")

          //if(AxB_=="3x3") numbercell = 1;
          //if(AxB_=="5x5") numbercell = 2;
          //if(AxB_=="Cone") numbercell = 1000;

          if( abs(DIETA)<=numbercell && (abs(DIPHI)<=numbercell || ( abs(MaxHit.ietahitm)>=20 && abs(DIPHI)<=numbercell+1)) )
            {
              const GlobalPoint pos2 = geo->getPosition(hhit->detid());

              if(passCuts && hhit->energy()>0)
                {
                  
                  
                  float factor = 0.0;     
                  // factor = CalibFactors[hhit->id()];
                  factor = respRecalib -> getValues(hhit->id())->getValue();

                  
                  
                  //if(i<5){cout<<" calib factors: "<<factor<<"  ij "<<100*i+j<<endl;}
                  
                  if (hhit->id().ieta() == MaxHit.ietahitm && hhit->id().iphi() == MaxHit.iphihitm) CentHitFactor=factor;         
                  
                  if (hhit->id().ieta() == MaxHit.ietahitm && hhit->id().iphi() == MaxHit.iphihitm) iTime = hhit->time();         
                  
                  if(AxB_!="3x3" && AxB_!="5x5" && AxB_!="Cone") LogWarning(" AxB ")<<"   Not supported: "<< AxB_;
                  
                  
                  if (abs(DIETA)<=2 && (abs(DIPHI)<=2 || ((abs(MaxHit.ietahitm)>20 && abs(DIPHI)<=4) && !( (abs(MaxHit.ietahitm)==21 || abs(MaxHit.ietahitm)==22) && abs((hhit->id()).ieta())<=20 && abs(DIPHI)>2) )) )
                    {

                      e5x5Before += hhit->energy();
                      e5x5After += hhit->energy()*factor;
                    }
                  
                  
                  if (abs(DIETA)<=1 && (abs(DIPHI)<=1 || ((abs(MaxHit.ietahitm)>20 && abs(DIPHI)<=2) && !(abs(MaxHit.ietahitm)==21 && abs((hhit->id()).ieta())<=20 && abs(DIPHI)>1) )) )
                    {

                      e3x3Before += hhit->energy();
                      e3x3After += hhit->energy()*factor;
                    }
                      
                      
                  if(AxB_=="5x5") 
                    {
                      
                      if (abs(DIETA)<=2 && (abs(DIPHI)<=2 || ( abs(MaxHit.ietahitm)>20 && abs(DIPHI)<=4) ) )
                        {
                          if (abs(MaxHit.ietahitm)==21 && abs((hhit->id()).ieta())<=20 && abs(DIPHI)>3) continue;
                          
                          HTime[numHits]=  hhit->time();
                          numHits++;
                                                  
                          eClustBefore += hhit->energy();
                          eClustAfter += hhit->energy()*factor;
                                                  
                          if ((hhit->id().depth() == 1) && (abs(hhit->id().ieta()) > 17) && (abs(hhit->id().ieta()) < 29))
                            {   
                              eBeforeDepth1 += hhit->energy();
                              eAfterDepth1 += hhit->energy()*factor;
                            }
                          else if((hhit->id().depth() == 2) && (abs(hhit->id().ieta()) > 17) && (abs(hhit->id().ieta()) < 29))
                            {
                              eBeforeDepth2 += hhit->energy();
                              eAfterDepth2 += hhit->energy()*factor;
                            }
                        }
                    }//end of 5x5
                  
                  
                  
                  if(AxB_=="3x3") 
                    {
                      if (abs(DIETA)<=1 && (abs(DIPHI)<=1 || ( abs(MaxHit.ietahitm)>20 && abs(DIPHI)<=2) ) )
                        {
                          if (abs(MaxHit.ietahitm)==21 && abs((hhit->id()).ieta())<=20 && abs(DIPHI)>2) continue;
                                
                          HTime[numHits]=  hhit->time();
                          numHits++;                          
                                                  
                          eClustBefore += hhit->energy();
                          eClustAfter += hhit->energy() * factor;
                          
                          if ((hhit->id().depth() == 1) && (abs(hhit->id().ieta()) > 17) && (abs(hhit->id().ieta()) < 29))
                            {   
                              eBeforeDepth1 += hhit->energy();
                              eAfterDepth1 += hhit->energy() * factor;
                            }
                          else if((hhit->id().depth() == 2) && (abs(hhit->id().ieta()) > 17) && (abs(hhit->id().ieta()) < 29))
                            {
                              eBeforeDepth2 += hhit->energy();
                              eAfterDepth2 += hhit->energy() * factor;
                            }
                          
                        }
                    }//end of 3x3
                  
                                  
                  if (AxB_=="Cone" && getDistInPlaneSimple(gP, pos2) < calibrationConeSize_) {
                    
                    HTime[numHits]=  hhit->time();
                    numHits++;                        
                                    
                    eClustBefore += hhit->energy();
                    eClustAfter += hhit->energy() * factor;
                    
                    if ((hhit->id().depth() == 1) && (abs(hhit->id().ieta()) > 17) && (abs(hhit->id().ieta()) < 29))
                      { 
                        eBeforeDepth1 += hhit->energy();
                        eAfterDepth1 += hhit->energy() * factor;
                      }
                    else if((hhit->id().depth() == 2) && (abs(hhit->id().ieta()) > 17) && (abs(hhit->id().ieta()) < 29))
                      {
                        eBeforeDepth2 += hhit->energy();
                        eAfterDepth2 += hhit->energy() * factor;
                      }
                    
                    
                  }//end of Cone
                  
                }//end of passCuts
              
            }//end of DIETA DIPHI
          
        } //end of associatedcone HBHE hits cycle
      
      
      int dieta_M_P = 100;
      int diphi_M_P = 100;
      if(MaxHit.ietahitm*ietatrue>0) {dieta_M_P = abs (MaxHit.ietahitm-ietatrue);}
      if(MaxHit.ietahitm*ietatrue<0) {dieta_M_P = abs(MaxHit.ietahitm-ietatrue)-1;}
      diphi_M_P = abs(MaxHit.iphihitm-iphitrue);
      diphi_M_P =  diphi_M_P>36 ? 72-diphi_M_P : diphi_M_P; 
      
      
      if(passCuts)
        
        {
          eventNumber = iEvent.id().event();
          runNumber = iEvent.id().run();
          
          eCentHitBefore = MaxHit.hitenergy;
          eCentHitAfter = MaxHit.hitenergy*CentHitFactor;
          eECAL = emEnergy;
          numValidTrkHits = numVH;
          numValidTrkStrips = numVS;
          PtNearBy = ptNear;
          
          
          eTrack = trackE;
          phiTrack = trackPhi;
          etaTrack = trackEta;
          
          iEta = MaxHit.ietahitm;
          iPhi = MaxHit.iphihitm;
          
          iEtaTr = ietatrue;
          iPhiTr = iphitrue;
          iDr = sqrt(diphi_M_P*diphi_M_P+dieta_M_P*dieta_M_P);
          delR = MaxHit.dr;
          dietatr = dieta_M_P;
          diphitr = diphi_M_P;
          
          fTree -> Fill();
        }

    } //end of isoProdTracks cycle

}

// ------------ method called once each job just before starting event loop  ------------
void 
ValidIsoTrkCalib::beginJob()
{

  // if(!ReadCalibFactors(calibFactorsFileName_.c_str() )) {cout<<"Cant read file with cailib coefficients!! ---"<<endl;}

// try{   
//   edm::ESHandle <HcalRespCorrs> recalibCorrs;
//   iSetup.get<HcalRespCorrsRcd>().get("recalibrate",recalibCorrs);
//   respRecalib = recalibCorrs.product();
//
//   LogInfo("CalibConstants")<<"  Loaded:  OK ";
//   
// }catch(const cms::Exception & e) {
//   LogWarning("CalibConstants")<<"   Not Found!! ";
// }
 
 
 //  rootFile = new TFile(outputFileName_.c_str(),"RECREATE");
 
 //@@@@@@@@@@@@@
  TFileDirectory ValDir = fs->mkdir("Validation");
 
 nTracks = fs->make<TH1F>("nTracks","general;number of general tracks",11,-0.5,10.5);

  
 tTree = new TTree("tTree", "Tree for gen info"); 

  if(takeGenTracks_) { 
    tTree->Branch("gen", &gen, "gen/I");
    tTree->Branch("iso", &iso, "iso/I");
    tTree->Branch("pix", &pix, "pix/I");
    tTree->Branch("genPt", genPt, "genPt[gen]/F");
    tTree->Branch("genPhi", genPhi, "genPhi[gen]/F");
    tTree->Branch("genEta", genEta, "genEta[gen]/F");
    
    tTree->Branch("isoPt", isoPt, "isoPt[iso]/F");
    tTree->Branch("isoPhi", isoPhi, "isoPhi[iso]/F");
    tTree->Branch("isoEta", isoEta, "isoEta[iso]/F");
    
    tTree->Branch("pixPt", pixPt, "pixPt[pix]/F");
    tTree->Branch("pixPhi", pixPhi, "pixPhi[pix]/F");
    tTree->Branch("pixEta", pixEta, "pixEta[pix]/F");
  }

  fTree = new TTree("fTree", "Tree for IsoTrack Calibration"); 
   
  fTree->Branch("eventNumber", &eventNumber, "eventNumber/I");
  fTree->Branch("runNumber", &runNumber, "runNumber/I");

  fTree->Branch("eClustBefore", &eClustBefore,"eClustBefore/F");
  fTree->Branch("eClustAfter", &eClustAfter,"eClustAfter/F");
  fTree->Branch("eTrack", &eTrack, "eTrack/F");
  fTree->Branch("etaTrack", &etaTrack, "etaTrack/F");
  fTree->Branch("phiTrack", &phiTrack, "phiTrack/F");
    
  fTree->Branch("numHits", &numHits, "numHits/I");
  fTree->Branch("eECAL", &eECAL, "eECAL/F");
  fTree->Branch("PtNearBy", &PtNearBy, "PtNearBy/F");
  fTree->Branch("numValidTrkHits", &numValidTrkHits, "numValidTrkHits/F");
  fTree->Branch("numValidTrkStrips", &numValidTrkStrips, "numValidTrkStrips/F");
  
  fTree->Branch("eBeforeDepth1", &eBeforeDepth1, "eBeforeDepth1/F");
  fTree->Branch("eBeforeDepth2", &eBeforeDepth2, "eBeforeDepth2/F");
  fTree->Branch("eAfterDepth1", &eAfterDepth1, "eAfterDepth1/F");
  fTree->Branch("eAfterDepth2", &eAfterDepth2, "eAfterDepth2/F");
  
  fTree->Branch("e3x3Before", &e3x3Before, "e3x3Before/F");
  fTree->Branch("e3x3After", &e3x3After, "e3x3After/F");
  fTree->Branch("e5x5Before", &e5x5Before, "e5x5Before/F");
  fTree->Branch("e5x5After", &e5x5After, "e5x5After/F");
  
  fTree->Branch("eCentHitAfter", &eCentHitAfter, "eCentHitAfter/F");
  fTree->Branch("eCentHitBefore", &eCentHitBefore, "eCentHitBefore/F");
  fTree->Branch("iEta", &iEta, "iEta/I");
  fTree->Branch("iPhi", &iPhi, "iPhi/I");


  fTree->Branch("iEtaTr", &iEtaTr, "iEtaTr/I");
  fTree->Branch("iPhiTr", &iPhiTr, "iPhiTr/I");
  fTree->Branch("dietatr", &dietatr, "dietatr/I");
  fTree->Branch("diphitr", &diphitr, "diphitr/I");
  fTree->Branch("iDr", &iDr, "iDr/F");
  fTree->Branch("delR", &delR, "delR/F");

  fTree->Branch("iTime", &iTime, "iTime/F");
  fTree->Branch("HTime", HTime, "HTime[numHits]/F");

    fTree->Branch("xTrkEcal", &xTrkEcal, "xTrkEcal/F");
    fTree->Branch("yTrkEcal", &yTrkEcal, "yTrkEcal/F");
    fTree->Branch("zTrkEcal", &zTrkEcal, "zTrkEcal/F");
    fTree->Branch("xTrkHcal", &xTrkHcal, "xTrkHcal/F");
    fTree->Branch("yTrkHcal", &yTrkHcal, "yTrkHcal/F");
    fTree->Branch("zTrkHcal", &zTrkHcal, "zTrkHcal/F");

}



// ------------ method called once each job just after ending the event loop  ------------
void 
ValidIsoTrkCalib::endJob() 
{
  //  rootFile->Write();
  //rootFile->Close();
}

//define this as a plug-in
DEFINE_FWK_MODULE(ValidIsoTrkCalib);