HcalTB04Analysis.cc

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// -*- C++ -*-
//
// Package:     HcalTestBeam
// Class  :     HcalTB04Analysis
//
// Implementation:
//     Main analysis class for Hcal Test Beam 2004 Analysis
//
//  Usage: A Simwatcher class and can be activated from Oscarproducer module
//
// Original Author:
//         Created:  Tue May 16 10:14:34 CEST 2006
//

// system include files
#include <cmath>
#include <iomanip>
#include <iostream>
#include <memory>
#include <vector>
#include <string>

// user include files
#include "SimG4Core/Notification/interface/Observer.h"
#include "SimG4Core/Notification/interface/BeginOfRun.h"
#include "SimG4Core/Notification/interface/BeginOfEvent.h"
#include "SimG4Core/Notification/interface/EndOfEvent.h"
#include "SimG4Core/Watcher/interface/SimProducer.h"
#include "SimG4Core/Watcher/interface/SimWatcherFactory.h"

// to retreive hits
#include "DataFormats/HcalDetId/interface/HcalSubdetector.h"
#include "SimDataFormats/CaloHit/interface/CaloHit.h"
#include "SimDataFormats/HcalTestBeam/interface/PHcalTB04Info.h"
#include "SimG4CMS/Calo/interface/ECalSD.h"
#include "SimG4CMS/Calo/interface/HCalSD.h"
#include "SimG4CMS/Calo/interface/HcalQie.h"
#include "SimG4CMS/Calo/interface/CaloG4Hit.h"
#include "SimG4CMS/Calo/interface/CaloG4HitCollection.h"
#include "SimG4CMS/Calo/interface/HcalTestNumberingScheme.h"
#include "DataFormats/Math/interface/Point3D.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/PluginManager/interface/ModuleDef.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include "SimG4CMS/HcalTestBeam/interface/HcalTBNumberingScheme.h"
#include "SimG4CMS/HcalTestBeam/interface/HcalTB04Histo.h"
#include "SimG4CMS/HcalTestBeam/interface/HcalTB04XtalNumberingScheme.h"

#include "G4SDManager.hh"
#include "G4Step.hh"
#include "G4Track.hh"
#include "G4ThreeVector.hh"
#include "G4VProcess.hh"
#include "G4HCofThisEvent.hh"

#include <CLHEP/Random/RandGaussQ.h>
#include <CLHEP/Random/Randomize.h>
#include <CLHEP/Units/SystemOfUnits.h>
#include <CLHEP/Units/PhysicalConstants.h>

#include <cstdint>

using CLHEP::c_light;
using CLHEP::GeV;
using CLHEP::mm;
using CLHEP::ns;
using CLHEP::twopi;

//#define EDM_ML_DEBUG

namespace CLHEP {
  class HepRandomEngine;
}

class HcalTB04Analysis : public SimProducer,
                         public Observer<const BeginOfRun*>,
                         public Observer<const BeginOfEvent*>,
                         public Observer<const EndOfEvent*>,
                         public Observer<const G4Step*> {
public:
  HcalTB04Analysis(const edm::ParameterSet& p);
  HcalTB04Analysis(const HcalTB04Analysis&) = delete;  // stop default
  const HcalTB04Analysis& operator=(const HcalTB04Analysis&) = delete;
  ~HcalTB04Analysis() override;

  void produce(edm::Event&, const edm::EventSetup&) override;

private:
  void init();

  // observer methods
  void update(const BeginOfRun* run) override;
  void update(const BeginOfEvent* evt) override;
  void update(const G4Step* step) override;
  void update(const EndOfEvent* evt) override;

  //User methods
  void fillBuffer(const EndOfEvent* evt);
  void qieAnalysis(CLHEP::HepRandomEngine*);
  void xtalAnalysis(CLHEP::HepRandomEngine*);
  void finalAnalysis();
  void fillEvent(PHcalTB04Info&);

  void clear();
  int unitID(uint32_t id);
  double scale(int det, int layer);
  double timeOfFlight(int det, int layer, double eta);

private:
  // to read from parameter set
  const edm::ParameterSet m_Anal;
  const bool hcalOnly;
  const int mode, type;
  const double ecalNoise, beamOffset;
  const double scaleHB0, scaleHB16, scaleHO, scaleHE0;
  const std::vector<std::string> names;

  HcalQie* myQie;
  HcalTB04Histo* histo;

  int iceta, icphi;
  G4RotationMatrix* beamline_RM;

  // Constants for the run
  int count;
  int nTower, nCrystal;
  std::vector<int> idHcal, idXtal;
  std::vector<uint32_t> idTower, idEcal;

  // Constants for the event
  int nPrimary, particleType;
  double pInit, etaInit, phiInit;
  std::vector<CaloHit> ecalHitCache;
  std::vector<CaloHit> hcalHitCache, hcalHitLayer;
  std::vector<double> esimh, eqie, esime, enois;
  std::vector<double> eseta, eqeta, esphi, eqphi, eslay, eqlay;
  double etots, eecals, ehcals, etotq, eecalq, ehcalq;

  bool pvFound;
  int evNum, pvType;
  G4ThreeVector pvPosition, pvMomentum, pvUVW;
  std::vector<int> secTrackID, secPartID;
  std::vector<G4ThreeVector> secMomentum;
  std::vector<double> secEkin;
  std::vector<int> shortLivedSecondaries;
};

//
// constructors and destructor
//

HcalTB04Analysis::HcalTB04Analysis(const edm::ParameterSet& p)
    : m_Anal(p.getParameter<edm::ParameterSet>("HcalTB04Analysis")),
      hcalOnly(m_Anal.getParameter<bool>("HcalOnly")),
      mode(m_Anal.getParameter<int>("Mode")),
      type(m_Anal.getParameter<int>("Type")),
      ecalNoise(m_Anal.getParameter<double>("EcalNoise")),
      beamOffset(-m_Anal.getParameter<double>("BeamPosition") * CLHEP::cm),
      scaleHB0(m_Anal.getParameter<double>("ScaleHB0")),
      scaleHB16(m_Anal.getParameter<double>("ScaleHB16")),
      scaleHO(m_Anal.getParameter<double>("ScaleHO")),
      scaleHE0(m_Anal.getParameter<double>("ScaleHE0")),
      names(m_Anal.getParameter<std::vector<std::string> >("Names")),
      myQie(nullptr),
      histo(nullptr) {
  double fMinEta = m_Anal.getParameter<double>("MinEta");
  double fMaxEta = m_Anal.getParameter<double>("MaxEta");
  double fMinPhi = m_Anal.getParameter<double>("MinPhi");
  double fMaxPhi = m_Anal.getParameter<double>("MaxPhi");
  double beamEta = (fMaxEta + fMinEta) / 2.;
  double beamPhi = (fMaxPhi + fMinPhi) / 2.;
  double beamThet = 2 * atan(exp(-beamEta));
  if (beamPhi < 0)
    beamPhi += twopi;
  iceta = static_cast<int>(beamEta / 0.087) + 1;
  icphi = static_cast<int>(std::fabs(beamPhi) / 0.087) + 5;
  if (icphi > 72)
    icphi -= 73;

  produces<PHcalTB04Info>();

  beamline_RM = new G4RotationMatrix;
  beamline_RM->rotateZ(-beamPhi);
  beamline_RM->rotateY(-beamThet);

  edm::LogVerbatim("HcalTBSim")
      << "HcalTB04:: Initialised as observer of BeginOf Job/BeginOfRun/BeginOfEvent/G4Step/EndOfEvent with Parameter "
         "values:\n \thcalOnly = "
      << hcalOnly << "\tecalNoise = " << ecalNoise << "\n\tMode = " << mode << " (0: HB2 Standard; 1:HB2 Segmented)"
      << "\tType = " << type << " (0: HB; 1 HE; 2 HB+HE)\n\tbeamOffset = " << beamOffset << "\ticeta = " << iceta
      << "\ticphi = " << icphi << "\n\tbeamline_RM = " << *beamline_RM;

  init();

  myQie = new HcalQie(p);
  histo = new HcalTB04Histo(m_Anal);
}

HcalTB04Analysis::~HcalTB04Analysis() {
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "\n -------->  Total number of selected entries : " << count << "\nPointers:: QIE "
                                << myQie << " Histo " << histo;
#endif
  if (myQie) {
    delete myQie;
    myQie = nullptr;
  }
  if (histo) {
    delete histo;
    histo = nullptr;
  }
}

//
// member functions
//

void HcalTB04Analysis::produce(edm::Event& e, const edm::EventSetup&) {
  std::unique_ptr<PHcalTB04Info> product(new PHcalTB04Info);
  fillEvent(*product);
  e.put(std::move(product));
}

void HcalTB04Analysis::init() {
  idTower = HcalTBNumberingScheme::getUnitIDs(type, mode);
  nTower = idTower.size();
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Save information from " << nTower << " HCal towers";
#endif
  idHcal.reserve(nTower);
  for (int i = 0; i < nTower; i++) {
    int id = unitID(idTower[i]);
    idHcal.push_back(id);
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HcalTBSim") << "\tTower[" << i << "] Original " << std::hex << idTower[i] << " Stored "
                                  << idHcal[i] << std::dec;
#endif
  }

  if (!hcalOnly) {
    int det = 10;
    uint32_t id1;
    nCrystal = 0;
    for (int lay = 1; lay < 8; lay++) {
      for (int icr = 1; icr < 8; icr++) {
        id1 = HcalTestNumbering::packHcalIndex(det, 0, 1, icr, lay, 1);
        int id = unitID(id1);
        idEcal.push_back(id1);
        idXtal.push_back(id);
        nCrystal++;
      }
    }
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Save information from " << nCrystal << " ECal Crystals";
#ifdef EDM_ML_DEBUG
    for (int i = 0; i < nCrystal; i++) {
      edm::LogVerbatim("HcalTBSim") << "\tCrystal[" << i << "] Original " << std::hex << idEcal[i] << " Stored "
                                    << idXtal[i] << std::dec;
    }
#endif
  }
  // Profile vectors
  eseta.reserve(5);
  eqeta.reserve(5);
  esphi.reserve(3);
  eqphi.reserve(3);
  eslay.reserve(20);
  eqlay.reserve(20);
  for (int i = 0; i < 5; i++) {
    eseta.push_back(0.);
    eqeta.push_back(0.);
  }
  for (int i = 0; i < 3; i++) {
    esphi.push_back(0.);
    eqphi.push_back(0.);
  }
  for (int i = 0; i < 20; i++) {
    eslay.push_back(0.);
    eqlay.push_back(0.);
  }

  // counter
  count = 0;
  evNum = 0;
  clear();
}

void HcalTB04Analysis::update(const BeginOfRun* run) {
  int irun = (*run)()->GetRunID();
  edm::LogVerbatim("HcalTBSim") << " =====> Begin of Run = " << irun;

  G4SDManager* sd = G4SDManager::GetSDMpointerIfExist();
  if (sd != nullptr) {
    std::string sdname = names[0];
    G4VSensitiveDetector* aSD = sd->FindSensitiveDetector(sdname);
    if (aSD == nullptr) {
      edm::LogWarning("HcalTBSim") << "HcalTB04Analysis::beginOfRun: No SD"
                                   << " with name " << sdname << " in this "
                                   << "Setup";
    } else {
      HCalSD* theCaloSD = dynamic_cast<HCalSD*>(aSD);
      edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::beginOfRun: Finds SD with name " << theCaloSD->GetName()
                                    << " in this Setup";
      HcalNumberingScheme* org = new HcalTestNumberingScheme(false);
      theCaloSD->setNumberingScheme(org);
      edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::beginOfRun: set a new numbering scheme";
    }
    if (!hcalOnly) {
      sdname = names[1];
      aSD = sd->FindSensitiveDetector(sdname);
      if (aSD == nullptr) {
        edm::LogWarning("HcalTBSim") << "HcalTB04Analysis::beginOfRun: No SD"
                                     << " with name " << sdname << " in this "
                                     << "Setup";
      } else {
        ECalSD* theCaloSD = dynamic_cast<ECalSD*>(aSD);
        edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::beginOfRun: Finds SD with name " << theCaloSD->GetName()
                                      << " in this Setup";
        EcalNumberingScheme* org = new HcalTB04XtalNumberingScheme();
        theCaloSD->setNumberingScheme(org);
        edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::beginOfRun: set a new numbering scheme";
      }
    }
  } else {
    edm::LogWarning("HcalTBSim") << "HcalTB04Analysis::beginOfRun: Could "
                                 << "not get SD Manager!";
  }
}

void HcalTB04Analysis::update(const BeginOfEvent* evt) {
  clear();
#ifdef EDM_ML_DEBUG
  evNum = (*evt)()->GetEventID();
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis: =====> Begin of event = " << evNum;
#endif
}

void HcalTB04Analysis::update(const G4Step* aStep) {
  if (aStep != nullptr) {
    //Get Step properties
    G4ThreeVector thePreStepPoint = aStep->GetPreStepPoint()->GetPosition();
    G4ThreeVector thePostStepPoint;

    // Get Tracks properties
    G4Track* aTrack = aStep->GetTrack();
    int trackID = aTrack->GetTrackID();
    int parentID = aTrack->GetParentID();
    const G4ThreeVector& position = aTrack->GetPosition();
    G4ThreeVector momentum = aTrack->GetMomentum();
    G4String partType = aTrack->GetDefinition()->GetParticleType();
    G4String partSubType = aTrack->GetDefinition()->GetParticleSubType();
    int partPDGEncoding = aTrack->GetDefinition()->GetPDGEncoding();
#ifdef EDM_ML_DEBUG
    bool isPDGStable = aTrack->GetDefinition()->GetPDGStable();
#endif
    double pDGlifetime = aTrack->GetDefinition()->GetPDGLifeTime();
    double gammaFactor = aStep->GetPreStepPoint()->GetGamma();

    if (!pvFound) {  //search for v1
      double stepDeltaEnergy = aStep->GetDeltaEnergy();
      double kinEnergy = aTrack->GetKineticEnergy();

      // look for DeltaE > 10% kinEnergy of particle, or particle death - Ek=0
      if (trackID == 1 && parentID == 0 && ((kinEnergy == 0.) || (std::fabs(stepDeltaEnergy / kinEnergy) > 0.1))) {
        pvType = -1;
        if (kinEnergy == 0.) {
          pvType = 0;
        } else {
          if (std::fabs(stepDeltaEnergy / kinEnergy) > 0.1)
            pvType = 1;
        }
        pvFound = true;
        pvPosition = position;
        pvMomentum = momentum;
        // Rotated coord.system:
        pvUVW = (*beamline_RM) * (pvPosition);

        //Volume name requires some checks:
        G4String thePostPVname = "NoName";
        G4StepPoint* thePostPoint = aStep->GetPostStepPoint();
        if (thePostPoint) {
          thePostStepPoint = thePostPoint->GetPosition();
          G4VPhysicalVolume* thePostPV = thePostPoint->GetPhysicalVolume();
          if (thePostPV)
            thePostPVname = thePostPV->GetName();
        }
#ifdef EDM_ML_DEBUG
        edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: V1 found at: " << thePostStepPoint
                                      << " G4VPhysicalVolume: " << thePostPVname;
        edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::fill_v1Pos: Primary Track momentum: " << pvMomentum
                                      << " psoition " << pvPosition << " u/v/w " << pvUVW;
#endif
      }
    } else {
      // watch for secondaries originating @v1, including the surviving primary
      if ((trackID != 1 && parentID == 1 && (aTrack->GetCurrentStepNumber() == 1) && (thePreStepPoint == pvPosition)) ||
          (trackID == 1 && thePreStepPoint == pvPosition)) {
#ifdef EDM_ML_DEBUG
        edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::A secondary...  PDG:" << partPDGEncoding
                                      << " TrackID:" << trackID << " ParentID:" << parentID
                                      << " stable: " << isPDGStable << " Tau: " << pDGlifetime
                                      << " cTauGamma=" << c_light * pDGlifetime * gammaFactor * 1000.
                                      << "um GammaFactor: " << gammaFactor;
#endif
        secTrackID.push_back(trackID);
        secPartID.push_back(partPDGEncoding);
        secMomentum.push_back(momentum);
        secEkin.push_back(aTrack->GetKineticEnergy());

        // Check for short-lived secondaries: cTauGamma<100um
        double ctaugamma_um = CLHEP::c_light * pDGlifetime * gammaFactor * 1000.;
        if ((ctaugamma_um > 0.) && (ctaugamma_um < 100.)) {  //short-lived secondary
          shortLivedSecondaries.push_back(trackID);
        } else {  //normal secondary - enter into the V1-calorimetric tree
                  //          histos->fill_v1cSec (aTrack);
        }
      }
      // Also watch for tertiary particles coming from
      // short-lived secondaries from V1
      if (aTrack->GetCurrentStepNumber() == 1) {
        if (!shortLivedSecondaries.empty()) {
          int pid = parentID;
          std::vector<int>::iterator pos1 = shortLivedSecondaries.begin();
          std::vector<int>::iterator pos2 = shortLivedSecondaries.end();
          std::vector<int>::iterator pos;
          for (pos = pos1; pos != pos2; pos++) {
            if (*pos == pid) {  //ParentID is on the list of short-lived
                                // secondary
#ifdef EDM_ML_DEBUG
              edm::LogVerbatim("HcalTBSim")
                  << "HcalTB04Analysis:: A tertiary...  PDG:" << partPDGEncoding << " TrackID:" << trackID
                  << " ParentID:" << parentID << " stable: " << isPDGStable << " Tau: " << pDGlifetime
                  << " cTauGamma=" << c_light * pDGlifetime * gammaFactor * 1000. << "um GammaFactor: " << gammaFactor;
#endif
            }
          }
        }
      }
    }
  }
}

void HcalTB04Analysis::update(const EndOfEvent* evt) {
  count++;

  //fill the buffer
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::Fill event " << (*evt)()->GetEventID();
#endif
  fillBuffer(evt);

  //QIE analysis
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::Do QIE analysis with " << hcalHitCache.size() << " hits";
#endif
  CLHEP::HepRandomEngine* engine = G4Random::getTheEngine();
  qieAnalysis(engine);

  //Energy in Crystal Matrix
  if (!hcalOnly) {
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::Do Xtal analysis with " << ecalHitCache.size() << " hits";
#endif
    xtalAnalysis(engine);
  }

  //Final Analysis
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::Final analysis";
#endif
  finalAnalysis();

  int iEvt = (*evt)()->GetEventID();
  if (iEvt < 10)
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Event " << iEvt;
  else if ((iEvt < 100) && (iEvt % 10 == 0))
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Event " << iEvt;
  else if ((iEvt < 1000) && (iEvt % 100 == 0))
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Event " << iEvt;
  else if ((iEvt < 10000) && (iEvt % 1000 == 0))
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Event " << iEvt;
}

void HcalTB04Analysis::fillBuffer(const EndOfEvent* evt) {
  std::vector<CaloHit> hhits, hhitl;
  int idHC, j;
  CaloG4HitCollection* theHC;
  std::map<int, float, std::less<int> > primaries;
#ifdef EDM_ML_DEBUG
  double etot1 = 0, etot2 = 0;
#endif

  // Look for the Hit Collection of HCal
  G4HCofThisEvent* allHC = (*evt)()->GetHCofThisEvent();
  std::string sdName = names[0];
  idHC = G4SDManager::GetSDMpointer()->GetCollectionID(sdName);
  theHC = (CaloG4HitCollection*)allHC->GetHC(idHC);
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Hit Collection for " << sdName << " of ID " << idHC
                                << " is obtained at " << theHC << " with " << theHC->entries() << " entries";
#endif
  int thehc_entries = theHC->entries();
  if (idHC >= 0 && theHC != nullptr) {
    hhits.reserve(theHC->entries());
    hhitl.reserve(theHC->entries());
    for (j = 0; j < thehc_entries; j++) {
      CaloG4Hit* aHit = (*theHC)[j];
      double e = aHit->getEnergyDeposit() / CLHEP::GeV;
      double time = aHit->getTimeSlice();
      math::XYZPoint pos = aHit->getEntry();
      unsigned int id = aHit->getUnitID();
      double theta = pos.theta();
      double eta = -std::log(std::tan(theta * 0.5));
      double phi = pos.phi();
      int det, z, group, ieta, iphi, layer;
      HcalTestNumbering::unpackHcalIndex(id, det, z, group, ieta, iphi, layer);
      double jitter = time - timeOfFlight(det, layer, eta);
      if (jitter < 0)
        jitter = 0;
      if (e < 0 || e > 1.)
        e = 0;
      double escl = e * scale(det, layer);
      unsigned int idx = HcalTBNumberingScheme::getUnitID(id, mode);
      CaloHit hit(det, layer, escl, eta, phi, jitter, idx);
      hhits.push_back(hit);
      CaloHit hitl(det, layer, escl, eta, phi, jitter, id);
      hhitl.push_back(hitl);
      primaries[aHit->getTrackID()] += e;
#ifdef EDM_ML_DEBUG
      etot1 += escl;
      edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Hcal Hit i/p " << j << "  ID 0x" << std::hex << id << " 0x"
                                    << idx << std::dec << " time " << std::setw(6) << time << " " << std::setw(6)
                                    << jitter << " theta " << std::setw(8) << theta << " eta " << std::setw(8) << eta
                                    << " phi " << std::setw(8) << phi << " e " << std::setw(8) << e << " "
                                    << std::setw(8) << escl;
#endif
    }
  }

  // Add hits in the same channel within same time slice
  std::vector<CaloHit>::iterator itr;
  int nHit = hhits.size();
  std::vector<CaloHit*> hits(nHit);
  for (j = 0, itr = hhits.begin(); itr != hhits.end(); j++, itr++) {
    hits[j] = &hhits[j];
  }
  sort(hits.begin(), hits.end(), CaloHitIdMore());
  std::vector<CaloHit*>::iterator k1, k2;
#ifdef EDM_ML_DEBUG
  int nhit = 0;
#endif
  for (k1 = hits.begin(); k1 != hits.end(); k1++) {
    int det = (**k1).det();
    int layer = (**k1).layer();
    double ehit = (**k1).e();
    double eta = (**k1).eta();
    double phi = (**k1).phi();
    double jitter = (**k1).t();
    uint32_t unitID = (**k1).id();
    int jump = 0;
    for (k2 = k1 + 1; k2 != hits.end() && std::fabs(jitter - (**k2).t()) < 1 && unitID == (**k2).id(); k2++) {
      ehit += (**k2).e();
      jump++;
    }
    CaloHit hit(det, layer, ehit, eta, phi, jitter, unitID);
    hcalHitCache.push_back(hit);
    k1 += jump;
#ifdef EDM_ML_DEBUG
    nhit++;
    etot2 += ehit;
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Hcal Hit store " << nhit << "  ID 0x" << std::hex << unitID
                                  << std::dec << " time " << std::setw(6) << jitter << " eta " << std::setw(8) << eta
                                  << " phi " << std::setw(8) << phi << " e " << std::setw(8) << ehit;
#endif
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Stores " << nhit << " HCal hits from " << nHit
                                << " input hits E(Hcal) " << etot1 << " " << etot2;
#endif
  //Repeat for Hit in each layer (hhits and hhitl sizes are the same)
  for (j = 0, itr = hhitl.begin(); itr != hhitl.end(); j++, itr++) {
    hits[j] = &hhitl[j];
  }
  sort(hits.begin(), hits.end(), CaloHitIdMore());
#ifdef EDM_ML_DEBUG
  int nhitl = 0;
  double etotl = 0;
#endif
  for (k1 = hits.begin(); k1 != hits.end(); k1++) {
    int det = (**k1).det();
    int layer = (**k1).layer();
    double ehit = (**k1).e();
    double eta = (**k1).eta();
    double phi = (**k1).phi();
    double jitter = (**k1).t();
    uint32_t unitID = (**k1).id();
    int jump = 0;
    for (k2 = k1 + 1; k2 != hits.end() && std::fabs(jitter - (**k2).t()) < 1 && unitID == (**k2).id(); k2++) {
      ehit += (**k2).e();
      jump++;
    }
    CaloHit hit(det, layer, ehit, eta, phi, jitter, unitID);
    hcalHitLayer.push_back(hit);
    k1 += jump;
#ifdef EDM_ML_DEBUG
    nhitl++;
    etotl += ehit;
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Hcal Hit store " << nhitl << "  ID 0x" << std::hex << unitID
                                  << std::dec << " time " << std::setw(6) << jitter << " eta " << std::setw(8) << eta
                                  << " phi " << std::setw(8) << phi << " e " << std::setw(8) << ehit;
#endif
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Stores " << nhitl << " HCal hits from " << nHit
                                << " input hits E(Hcal) " << etot1 << " " << etotl;
#endif
  // Look for the Hit Collection of ECal
  std::vector<CaloHit> ehits;
  sdName = names[1];
  idHC = G4SDManager::GetSDMpointer()->GetCollectionID(sdName);
  theHC = (CaloG4HitCollection*)allHC->GetHC(idHC);
#ifdef EDM_ML_DEBUG
  etot1 = etot2 = 0;
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Hit Collection for " << sdName << " of ID " << idHC
                                << " is obtained at " << theHC << " with " << theHC->entries() << " entries";
#endif
  if (idHC >= 0 && theHC != nullptr) {
    thehc_entries = theHC->entries();
    ehits.reserve(theHC->entries());
    for (j = 0; j < thehc_entries; j++) {
      CaloG4Hit* aHit = (*theHC)[j];
      double e = aHit->getEnergyDeposit() / CLHEP::GeV;
      double time = aHit->getTimeSlice();
      if (e < 0 || e > 100000.)
        e = 0;
      if (e > 0) {
        math::XYZPoint pos = aHit->getEntry();
        unsigned int id = aHit->getUnitID();
        double theta = pos.theta();
        double eta = -std::log(std::tan(theta * 0.5));
        double phi = pos.phi();
        int det, z, group, ieta, iphi, layer;
        HcalTestNumbering::unpackHcalIndex(id, det, z, group, ieta, iphi, layer);
        CaloHit hit(det, 0, e, eta, phi, time, id);
        ehits.push_back(hit);
        primaries[aHit->getTrackID()] += e;
#ifdef EDM_ML_DEBUG
        etot1 += e;
        edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Ecal Hit i/p " << j << "  ID 0x" << std::hex << id
                                      << std::dec << " time " << std::setw(6) << time << " theta " << std::setw(8)
                                      << theta << " eta " << std::setw(8) << eta << " phi " << std::setw(8) << phi
                                      << " e " << std::setw(8) << e;
#endif
      }
    }
  }

  // Add hits in the same channel within same time slice
  nHit = ehits.size();
  std::vector<CaloHit*> hite(nHit);
  for (j = 0, itr = ehits.begin(); itr != ehits.end(); j++, itr++) {
    hite[j] = &ehits[j];
  }
  sort(hite.begin(), hite.end(), CaloHitIdMore());
#ifdef EDM_ML_DEBUG
  nhit = 0;
#endif
  for (k1 = hite.begin(); k1 != hite.end(); k1++) {
    int det = (**k1).det();
    int layer = (**k1).layer();
    double ehit = (**k1).e();
    double eta = (**k1).eta();
    double phi = (**k1).phi();
    double jitter = (**k1).t();
    uint32_t unitID = (**k1).id();
    int jump = 0;
    for (k2 = k1 + 1; k2 != hite.end() && std::fabs(jitter - (**k2).t()) < 1 && unitID == (**k2).id(); k2++) {
      ehit += (**k2).e();
      jump++;
    }
    CaloHit hit(det, layer, ehit, eta, phi, jitter, unitID);
    ecalHitCache.push_back(hit);
    k1 += jump;
#ifdef EDM_ML_DEBUG
    nhit++;
    etot2 += ehit;
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Ecal Hit store " << nhit << "  ID 0x" << std::hex << unitID
                                  << std::dec << " time " << std::setw(6) << jitter << " eta " << std::setw(8) << eta
                                  << " phi " << std::setw(8) << phi << " e " << std::setw(8) << ehit;
#endif
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Stores " << nhit << " ECal hits from " << nHit
                                << " input hits E(Ecal) " << etot1 << " " << etot2;
#endif
  // Find Primary info:
  nPrimary = static_cast<int>(primaries.size());
  int trackID = 0;
  G4PrimaryParticle* thePrim = nullptr;
  int nvertex = (*evt)()->GetNumberOfPrimaryVertex();
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Event has " << nvertex << " verteices";
#endif
  if (nvertex <= 0)
    edm::LogWarning("HcalTBSim") << "HcalTB04Analysis::EndOfEvent ERROR: no vertex found for event " << evNum;
  for (int i = 0; i < nvertex; i++) {
    G4PrimaryVertex* avertex = (*evt)()->GetPrimaryVertex(i);
    if (avertex == nullptr) {
      edm::LogWarning("HcalTBSim") << "HcalTB04Analysis::EndOfEvent ERR: pointer to vertex = 0 for event " << evNum;
    } else {
      edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::Vertex number :" << i << " " << avertex->GetPosition();
      int npart = avertex->GetNumberOfParticle();
      if (npart == 0)
        edm::LogWarning("HcalTBSim") << "HcalTB04Analysis::End Of Event ERR: no primary!";
      if (thePrim == nullptr)
        thePrim = avertex->GetPrimary(trackID);
    }
  }

  if (thePrim != nullptr) {
    double px = thePrim->GetPx();
    double py = thePrim->GetPy();
    double pz = thePrim->GetPz();
    double p = std::sqrt(pow(px, 2.) + pow(py, 2.) + pow(pz, 2.));
    pInit = p / CLHEP::GeV;
    if (p == 0)
      edm::LogWarning("HcalTBSim") << "HcalTB04Analysis:: EndOfEvent ERR: primary has p=0 ";
    else {
      double costheta = pz / p;
      double theta = acos(std::min(std::max(costheta, -1.), 1.));
      etaInit = -std::log(std::tan(theta / 2));
      if (px != 0 || py != 0)
        phiInit = std::atan2(py, px);
    }
    particleType = thePrim->GetPDGcode();
  } else
    edm::LogWarning("HcalTBSim") << "HcalTB04Analysis::EndOfEvent ERR: could not find primary";
}

void HcalTB04Analysis::qieAnalysis(CLHEP::HepRandomEngine* engine) {
  int hittot = hcalHitCache.size();
  if (hittot <= 0)
    hittot = 1;
  std::vector<CaloHit> hits(hittot);
  std::vector<int> todo(nTower, 0);

#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::qieAnalysis: Size " << hits.size() << " " << todo.size() << " "
                                << idTower.size() << " " << esimh.size() << " " << eqie.size();
#endif
  // Loop over all HCal hits
  for (unsigned int k1 = 0; k1 < hcalHitCache.size(); k1++) {
    CaloHit hit = hcalHitCache[k1];
    uint32_t id = hit.id();
    int nhit = 0;
    double esim = hit.e();
    hits[nhit] = hit;
    for (unsigned int k2 = k1 + 1; k2 < hcalHitCache.size(); k2++) {
      hit = hcalHitCache[k2];
      if (hit.id() == id) {
        nhit++;
        hits[nhit] = hit;
        esim += hit.e();
      }
    }
    k1 += nhit;
    nhit++;
    std::vector<int> cd = myQie->getCode(nhit, hits, engine);
    double eq = myQie->getEnergy(cd);
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::  ID 0x" << std::hex << id << std::dec << " registers " << esim
                                  << " energy from " << nhit << " hits starting with hit # " << k1
                                  << " energy with noise " << eq;
#endif
    for (int k2 = 0; k2 < nTower; k2++) {
      if (id == idTower[k2]) {
        todo[k2] = 1;
        esimh[k2] = esim;
        eqie[k2] = eq;
      }
    }
  }

  // Towers with no hit
  for (int k2 = 0; k2 < nTower; k2++) {
    if (todo[k2] == 0) {
      std::vector<int> cd = myQie->getCode(0, hits, engine);
      double eq = myQie->getEnergy(cd);
      esimh[k2] = 0;
      eqie[k2] = eq;
#ifdef EDM_ML_DEBUG
      edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::  ID 0x" << std::hex << idTower[k2] << std::dec
                                    << " registers " << esimh[k2] << " energy from hits and energy after QIE analysis "
                                    << eqie[k2];
#endif
    }
  }
}

void HcalTB04Analysis::xtalAnalysis(CLHEP::HepRandomEngine* engine) {
  CLHEP::RandGaussQ randGauss(*engine);

  // Crystal Data
  std::vector<int> iok(nCrystal, 0);
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::xtalAnalysis: Size " << iok.size() << " " << idEcal.size() << " "
                                << esime.size() << " " << enois.size();
#endif
  for (unsigned int k1 = 0; k1 < ecalHitCache.size(); k1++) {
    uint32_t id = ecalHitCache[k1].id();
    int nhit = 0;
    double esim = ecalHitCache[k1].e();
    for (unsigned int k2 = k1 + 1; k2 < ecalHitCache.size(); k2++) {
      if (ecalHitCache[k2].id() == id) {
        nhit++;
        esim += ecalHitCache[k2].e();
      }
    }
    k1 += nhit;
    nhit++;
    double eq = esim + randGauss.fire(0., ecalNoise);
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::  ID 0x" << std::hex << id << std::dec << " registers " << esim
                                  << " energy from " << nhit << " hits starting with hit # " << k1
                                  << " energy with noise " << eq;
#endif
    for (int k2 = 0; k2 < nCrystal; k2++) {
      if (id == idEcal[k2]) {
        iok[k2] = 1;
        esime[k2] = esim;
        enois[k2] = eq;
      }
    }
  }

  // Crystals with no hit
  for (int k2 = 0; k2 < nCrystal; k2++) {
    if (iok[k2] == 0) {
      esime[k2] = 0;
      enois[k2] = randGauss.fire(0., ecalNoise);
#ifdef EDM_ML_DEBUG
      edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::  ID 0x" << std::hex << idEcal[k2] << std::dec
                                    << " registers " << esime[k2] << " energy from hits and energy from noise "
                                    << enois[k2];
#endif
    }
  }
}

void HcalTB04Analysis::finalAnalysis() {
  //Beam Information
  histo->fillPrimary(pInit, etaInit, phiInit);

  // Total Energy
  eecals = ehcals = eecalq = ehcalq = 0.;
  for (int i = 0; i < nTower; i++) {
    ehcals += esimh[i];
    ehcalq += eqie[i];
  }
  for (int i = 0; i < nCrystal; i++) {
    eecals += esime[i];
    eecalq += enois[i];
  }
  etots = eecals + ehcals;
  etotq = eecalq + ehcalq;
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Energy deposit at Sim Level (Total) " << etots << " (ECal) "
                                << eecals << " (HCal) " << ehcals
                                << "\nHcalTB04Analysis:: Energy deposit at Qie Level (Total) " << etotq << " (ECal) "
                                << eecalq << " (HCal) " << ehcalq;
#endif
  histo->fillEdep(etots, eecals, ehcals, etotq, eecalq, ehcalq);

  // Lateral Profile
  for (int i = 0; i < 5; i++) {
    eseta[i] = 0.;
    eqeta[i] = 0.;
  }
  for (int i = 0; i < 3; i++) {
    esphi[i] = 0.;
    eqphi[i] = 0.;
  }
  double e1 = 0, e2 = 0;
  unsigned int id;
  for (int i = 0; i < nTower; i++) {
    int det, z, group, ieta, iphi, layer;
    id = idTower[i];
    HcalTestNumbering::unpackHcalIndex(id, det, z, group, ieta, iphi, layer);
    iphi -= (icphi - 1);
    if (icphi > 4) {
      if (ieta == 0)
        ieta = 2;
      else
        ieta = -1;
    } else {
      ieta = ieta - iceta + 2;
    }
    if (iphi >= 0 && iphi < 3 && ieta >= 0 && ieta < 5) {
      eseta[ieta] += esimh[i];
      esphi[iphi] += esimh[i];
      e1 += esimh[i];
      eqeta[ieta] += eqie[i];
      eqphi[iphi] += eqie[i];
      e2 += eqie[i];
    }
  }
  for (int i = 0; i < 3; i++) {
    if (e1 > 0)
      esphi[i] /= e1;
    if (e2 > 0)
      eqphi[i] /= e2;
  }
  for (int i = 0; i < 5; i++) {
    if (e1 > 0)
      eseta[i] /= e1;
    if (e2 > 0)
      eqeta[i] /= e2;
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Energy fraction along Eta and Phi (Sim/Qie)";
  for (int i = 0; i < 5; i++)
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: [" << i << "] Eta Sim = " << eseta[i] << " Qie = " << eqeta[i]
                                  << " Phi Sim = " << esphi[i] << " Qie = " << eqphi[i];
#endif
  histo->fillTrnsProf(eseta, eqeta, esphi, eqphi);

  // Longitudianl profile
  for (int i = 0; i < 20; i++) {
    eslay[i] = 0.;
    eqlay[i] = 0.;
  }
  e1 = 0;
  e2 = 0;
  for (int i = 0; i < nTower; i++) {
    int det, z, group, ieta, iphi, layer;
    id = idTower[i];
    HcalTestNumbering::unpackHcalIndex(id, det, z, group, ieta, iphi, layer);
    iphi -= (icphi - 1);
    layer -= 1;
    if (iphi >= 0 && iphi < 3 && layer >= 0 && layer < 20) {
      eslay[layer] += esimh[i];
      e1 += esimh[i];
      eqlay[layer] += eqie[i];
      e2 += eqie[i];
    }
  }
  for (int i = 0; i < 20; i++) {
    if (e1 > 0)
      eslay[i] /= e1;
    if (e2 > 0)
      eqlay[i] /= e2;
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Energy fraction along Layer";
  for (int i = 0; i < 20; i++)
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: [" << i << "] Sim = " << eslay[i] << " Qie = " << eqlay[i];
#endif
  histo->fillLongProf(eslay, eqlay);
}

void HcalTB04Analysis::fillEvent(PHcalTB04Info& product) {
  //Setup the ID's
  product.setIDs(idHcal, idXtal);

  //Beam Information
  product.setPrimary(nPrimary, particleType, pInit, etaInit, phiInit);

  //Energy deposits in the crystals and towers
  product.setEdepHcal(esimh, eqie);
  product.setEdepHcal(esime, enois);

  // Total Energy
  product.setEdep(etots, eecals, ehcals, etotq, eecalq, ehcalq);

  // Lateral Profile
  product.setTrnsProf(eseta, eqeta, esphi, eqphi);

  // Longitudianl profile
  product.setLongProf(eslay, eqlay);

  //Save Hits
  int nhit = 0;
  std::vector<CaloHit>::iterator itr;
  for (itr = ecalHitCache.begin(); itr != ecalHitCache.end(); itr++) {
    uint32_t id = itr->id();
    int det, z, group, ieta, iphi, lay;
    HcalTestNumbering::unpackHcalIndex(id, det, z, group, ieta, iphi, lay);
    product.saveHit(det, lay, ieta, iphi, itr->e(), itr->t());
    nhit++;
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Save Hit " << std::setw(3) << nhit << " ID 0x" << std::hex
                                  << group << std::dec << " " << std::setw(2) << det << " " << std::setw(2) << lay
                                  << " " << std::setw(1) << z << " " << std::setw(3) << ieta << " " << std::setw(3)
                                  << iphi << " T " << std::setw(6) << itr->t() << " E " << std::setw(6) << itr->e();
#endif
  }
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Saves " << nhit << " hits from Crystals";
#ifdef EDM_ML_DEBUG
  int nhit0 = nhit;
#endif
  nhit = 0;
  for (itr = hcalHitCache.begin(); itr != hcalHitCache.end(); itr++) {
    uint32_t id = itr->id();
    int det, z, group, ieta, iphi, lay;
    HcalTestNumbering::unpackHcalIndex(id, det, z, group, ieta, iphi, lay);
    product.saveHit(det, lay, ieta, iphi, itr->e(), itr->t());
    nhit++;
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Save Hit " << std::setw(3) << nhit + nhit0 << " ID 0x"
                                  << std::hex << group << std::dec << " " << std::setw(2) << det << " " << std::setw(2)
                                  << lay << " " << std::setw(1) << z << " " << std::setw(3) << ieta << " "
                                  << std::setw(3) << iphi << " T " << std::setw(6) << itr->t() << " E " << std::setw(6)
                                  << itr->e();
#endif
  }
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis:: Saves " << nhit << " hits from HCal";

  //Vertex associated quantities
  product.setVtxPrim(evNum,
                     pvType,
                     pvPosition.x(),
                     pvPosition.y(),
                     pvPosition.z(),
                     pvUVW.x(),
                     pvUVW.y(),
                     pvUVW.z(),
                     pvMomentum.x(),
                     pvMomentum.y(),
                     pvMomentum.z());
  for (unsigned int i = 0; i < secTrackID.size(); i++) {
    product.setVtxSec(
        secTrackID[i], secPartID[i], secMomentum[i].x(), secMomentum[i].y(), secMomentum[i].z(), secEkin[i]);
  }
}

void HcalTB04Analysis::clear() {
  pvFound = false;
  pvType = -2;
  pvPosition = G4ThreeVector();
  pvMomentum = G4ThreeVector();
  pvUVW = G4ThreeVector();
  secTrackID.clear();
  secPartID.clear();
  secMomentum.clear();
  secEkin.clear();
  shortLivedSecondaries.clear();

  ecalHitCache.erase(ecalHitCache.begin(), ecalHitCache.end());
  hcalHitCache.erase(hcalHitCache.begin(), hcalHitCache.end());
  hcalHitLayer.erase(hcalHitLayer.begin(), hcalHitLayer.end());
  nPrimary = particleType = 0;
  pInit = etaInit = phiInit = 0;

  esimh.clear();
  eqie.clear();
  esimh.reserve(nTower);
  eqie.reserve(nTower);
  for (int i = 0; i < nTower; i++) {
    esimh.push_back(0.);
    eqie.push_back(0.);
  }
  esime.clear();
  enois.clear();
  esime.reserve(nCrystal);
  enois.reserve(nCrystal);
  for (int i = 0; i < nCrystal; i++) {
    esime.push_back(0.);
    enois.push_back(0.);
  }
}

int HcalTB04Analysis::unitID(uint32_t id) {
  int det, z, group, ieta, iphi, lay;
  HcalTestNumbering::unpackHcalIndex(id, det, z, group, ieta, iphi, lay);
  group = (det & 15) << 20;
  group += ((lay - 1) & 31) << 15;
  group += (z & 1) << 14;
  group += (ieta & 127) << 7;
  group += (iphi & 127);
  return group;
}

double HcalTB04Analysis::scale(int det, int layer) {
  double tmp = 1.;
  if (det == static_cast<int>(HcalBarrel)) {
    if (layer == 1)
      tmp = scaleHB0;
    else if (layer == 17)
      tmp = scaleHB16;
    else if (layer > 17)
      tmp = scaleHO;
  } else {
    if (layer <= 2)
      tmp = scaleHE0;
  }
  return tmp;
}

double HcalTB04Analysis::timeOfFlight(int det, int layer, double eta) {
  double theta = 2.0 * std::atan(std::exp(-eta));
  double dist = beamOffset;
  if (det == static_cast<int>(HcalBarrel)) {
    const double rLay[19] = {1836.0,
                             1902.0,
                             1962.0,
                             2022.0,
                             2082.0,
                             2142.0,
                             2202.0,
                             2262.0,
                             2322.0,
                             2382.0,
                             2448.0,
                             2514.0,
                             2580.0,
                             2646.0,
                             2712.0,
                             2776.0,
                             2862.5,
                             3847.0,
                             4052.0};
    if (layer > 0 && layer <= 19)
      dist += rLay[layer - 1] * mm / sin(theta);
  } else {
    const double zLay[19] = {4034.0,
                             4032.0,
                             4123.0,
                             4210.0,
                             4297.0,
                             4384.0,
                             4471.0,
                             4558.0,
                             4645.0,
                             4732.0,
                             4819.0,
                             4906.0,
                             4993.0,
                             5080.0,
                             5167.0,
                             5254.0,
                             5341.0,
                             5428.0,
                             5515.0};
    if (layer > 0 && layer <= 19)
      dist += zLay[layer - 1] * mm / cos(theta);
  }

  double tmp = dist / c_light / ns;
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalTBSim") << "HcalTB04Analysis::timeOfFlight " << tmp << " for det/lay " << det << " " << layer
                                << " eta/theta " << eta << " " << theta / CLHEP::deg << " dist " << dist;
#endif
  return tmp;
}

DEFINE_SIMWATCHER(HcalTB04Analysis);