---

GlobalHitsProducer.cc

Go to the documentation of this file.

#include "Validation/GlobalHits/interface/GlobalHitsProducer.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"

GlobalHitsProducer::GlobalHitsProducer(const edm::ParameterSet& iPSet) :
  fName(""), verbosity(0), frequency(0), vtxunit(0), label(""), 
  getAllProvenances(false), printProvenanceInfo(false), nRawGenPart(0), 
  //ECalEBSrc_(""), ECalEESrc_(""), ECalESSrc_(""), HCalSrc_(""),
  //PxlBrlLowSrc_(""), PxlBrlHighSrc_(""), PxlFwdLowSrc_(""),
  //PxlFwdHighSrc_(""), SiTIBLowSrc_(""), SiTIBHighSrc_(""),
  //SiTOBLowSrc_(""), SiTOBHighSrc_(""), SiTIDLowSrc_(""), 
  //SiTIDHighSrc_(""), SiTECLowSrc_(""), SiTECHighSrc_(""),
  //MuonDtSrc_(""), MuonCscSrc_(""), MuonRpcSrc_(""), 
  count(0)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_GlobalHitsProducer";

  // get information from parameter set
  fName = iPSet.getUntrackedParameter<std::string>("Name");
  verbosity = iPSet.getUntrackedParameter<int>("Verbosity");
  frequency = iPSet.getUntrackedParameter<int>("Frequency");
  vtxunit = iPSet.getUntrackedParameter<int>("VtxUnit");
  label = iPSet.getParameter<std::string>("Label");
  edm::ParameterSet m_Prov =
    iPSet.getParameter<edm::ParameterSet>("ProvenanceLookup");
  getAllProvenances = 
    m_Prov.getUntrackedParameter<bool>("GetAllProvenances");
  printProvenanceInfo = 
    m_Prov.getUntrackedParameter<bool>("PrintProvenanceInfo");

  //get Labels to use to extract information
  PxlBrlLowSrc_ = iPSet.getParameter<edm::InputTag>("PxlBrlLowSrc");
  PxlBrlHighSrc_ = iPSet.getParameter<edm::InputTag>("PxlBrlHighSrc");
  PxlFwdLowSrc_ = iPSet.getParameter<edm::InputTag>("PxlFwdLowSrc");
  PxlFwdHighSrc_ = iPSet.getParameter<edm::InputTag>("PxlFwdHighSrc");

  SiTIBLowSrc_ = iPSet.getParameter<edm::InputTag>("SiTIBLowSrc");
  SiTIBHighSrc_ = iPSet.getParameter<edm::InputTag>("SiTIBHighSrc");
  SiTOBLowSrc_ = iPSet.getParameter<edm::InputTag>("SiTOBLowSrc");
  SiTOBHighSrc_ = iPSet.getParameter<edm::InputTag>("SiTOBHighSrc");
  SiTIDLowSrc_ = iPSet.getParameter<edm::InputTag>("SiTIDLowSrc");
  SiTIDHighSrc_ = iPSet.getParameter<edm::InputTag>("SiTIDHighSrc");
  SiTECLowSrc_ = iPSet.getParameter<edm::InputTag>("SiTECLowSrc");
  SiTECHighSrc_ = iPSet.getParameter<edm::InputTag>("SiTECHighSrc");

  MuonCscSrc_ = iPSet.getParameter<edm::InputTag>("MuonCscSrc");
  MuonDtSrc_ = iPSet.getParameter<edm::InputTag>("MuonDtSrc");
  MuonRpcSrc_ = iPSet.getParameter<edm::InputTag>("MuonRpcSrc");

  ECalEBSrc_ = iPSet.getParameter<edm::InputTag>("ECalEBSrc");
  ECalEESrc_ = iPSet.getParameter<edm::InputTag>("ECalEESrc");
  ECalESSrc_ = iPSet.getParameter<edm::InputTag>("ECalESSrc");

  HCalSrc_ = iPSet.getParameter<edm::InputTag>("HCalSrc");

  // use value of first digit to determine default output level (inclusive)
  // 0 is none, 1 is basic, 2 is fill output, 3 is gather output
  verbosity %= 10;

  // create persistent object
  produces<PGlobalSimHit>(label);

  // print out Parameter Set information being used
  if (verbosity >= 0) {
    edm::LogInfo(MsgLoggerCat) 
      << "\n===============================\n"
      << "Initialized as EDProducer with parameter values:\n"
      << "    Name          = " << fName << "\n"
      << "    Verbosity     = " << verbosity << "\n"
      << "    Frequency     = " << frequency << "\n"
      << "    VtxUnit       = " << vtxunit << "\n"
      << "    Label         = " << label << "\n"
      << "    GetProv       = " << getAllProvenances << "\n"
      << "    PrintProv     = " << printProvenanceInfo << "\n"
      << "    PxlBrlLowSrc  = " << PxlBrlLowSrc_.label() 
      << ":" << PxlBrlLowSrc_.instance() << "\n"
      << "    PxlBrlHighSrc = " << PxlBrlHighSrc_.label() 
      << ":" << PxlBrlHighSrc_.instance() << "\n"
      << "    PxlFwdLowSrc  = " << PxlFwdLowSrc_.label() 
      << ":" << PxlBrlLowSrc_.instance() << "\n"
      << "    PxlFwdHighSrc = " << PxlFwdHighSrc_.label() 
      << ":" << PxlBrlHighSrc_.instance() << "\n"
      << "    SiTIBLowSrc   = " << SiTIBLowSrc_.label() 
      << ":" << SiTIBLowSrc_.instance() << "\n"
      << "    SiTIBHighSrc  = " << SiTIBHighSrc_.label() 
      << ":" << SiTIBHighSrc_.instance() << "\n"
      << "    SiTOBLowSrc   = " << SiTOBLowSrc_.label() 
      << ":" << SiTOBLowSrc_.instance() << "\n"
      << "    SiTOBHighSrc  = " << SiTOBHighSrc_.label() 
      << ":" << SiTOBHighSrc_.instance() << "\n"
      << "    SiTIDLowSrc   = " << SiTIDLowSrc_.label() 
      << ":" << SiTIDLowSrc_.instance() << "\n"
      << "    SiTIDHighSrc  = " << SiTIDHighSrc_.label() 
      << ":" << SiTIDHighSrc_.instance() << "\n"
      << "    SiTECLowSrc   = " << SiTECLowSrc_.label() 
      << ":" << SiTECLowSrc_.instance() << "\n"
      << "    SiTECHighSrc  = " << SiTECHighSrc_.label() 
      << ":" << SiTECHighSrc_.instance() << "\n"
      << "    MuonCscSrc    = " << MuonCscSrc_.label() 
      << ":" << MuonCscSrc_.instance() << "\n"
      << "    MuonDtSrc     = " << MuonDtSrc_.label() 
      << ":" << MuonDtSrc_.instance() << "\n"
      << "    MuonRpcSrc    = " << MuonRpcSrc_.label() 
      << ":" << MuonRpcSrc_.instance() << "\n"
      << "    ECalEBSrc     = " << ECalEBSrc_.label() 
      << ":" << ECalEBSrc_.instance() << "\n"
      << "    ECalEESrc     = " << ECalEESrc_.label() 
      << ":" << ECalEESrc_.instance() << "\n"
      << "    ECalESSrc     = " << ECalESSrc_.label() 
      << ":" << ECalESSrc_.instance() << "\n"
      << "    HCalSrc       = " << HCalSrc_.label() 
      << ":" << HCalSrc_.instance() << "\n"
      << "===============================\n";
  }
}

GlobalHitsProducer::~GlobalHitsProducer() 
{
}

void GlobalHitsProducer::beginJob(const edm::EventSetup& iSetup)
{
  clear();
  return;
}

void GlobalHitsProducer::endJob()
{
  std::string MsgLoggerCat = "GlobalHitsProducer_endJob";
  if (verbosity >= 0)
    edm::LogInfo(MsgLoggerCat) 
      << "Terminating having processed " << count << " events.";
  return;
}

void GlobalHitsProducer::produce(edm::Event& iEvent, 
                               const edm::EventSetup& iSetup)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_produce";

  // keep track of number of events processed
  ++count;

  // get event id information
  int nrun = iEvent.id().run();
  int nevt = iEvent.id().event();

  if (verbosity > 0) {
    edm::LogInfo(MsgLoggerCat)
      << "Processing run " << nrun << ", event " << nevt
      << " (" << count << " events total)";
  } else if (verbosity == 0) {
    if (nevt%frequency == 0 || nevt == 1) {
      edm::LogInfo(MsgLoggerCat)
        << "Processing run " << nrun << ", event " << nevt
        << " (" << count << " events total)";
    }
  }

  // clear event holders
  clear();

  // look at information available in the event
  if (getAllProvenances) {

    std::vector<const edm::Provenance*> AllProv;
    iEvent.getAllProvenance(AllProv);

    if (verbosity >= 0)
      edm::LogInfo(MsgLoggerCat)
        << "Number of Provenances = " << AllProv.size();

    if (printProvenanceInfo && (verbosity >= 0)) {
      TString eventout("\nProvenance info:\n");      

      for (unsigned int i = 0; i < AllProv.size(); ++i) {
        eventout += "\n       ******************************";
        eventout += "\n       Module       : ";
        eventout += AllProv[i]->moduleLabel();
        eventout += "\n       ProductID    : ";
        eventout += AllProv[i]->productID().id();
        eventout += "\n       ClassName    : ";
        eventout += AllProv[i]->className();
        eventout += "\n       InstanceName : ";
        eventout += AllProv[i]->productInstanceName();
        eventout += "\n       BranchName   : ";
        eventout += AllProv[i]->branchName();
      }
      eventout += "\n       ******************************\n";
      edm::LogInfo(MsgLoggerCat) << eventout << "\n";
      printProvenanceInfo = false;
    }
    getAllProvenances = false;
  }

  // call fill functions
  //gather G4MC information from event
  fillG4MC(iEvent);
  // gather Tracker information from event
  fillTrk(iEvent,iSetup);
  // gather muon information from event
  fillMuon(iEvent, iSetup);
  // gather Ecal information from event
  fillECal(iEvent, iSetup);
  // gather Hcal information from event
  fillHCal(iEvent, iSetup);

  if (verbosity > 0)
    edm::LogInfo (MsgLoggerCat)
      << "Done gathering data from event.";

  // produce object to put into event
  std::auto_ptr<PGlobalSimHit> pOut(new PGlobalSimHit);

  if (verbosity > 2)
    edm::LogInfo (MsgLoggerCat)
      << "Saving event contents:";

  // call store functions
  // store G4MC information in product
  storeG4MC(*pOut);
  // store Tracker information in produce
  storeTrk(*pOut);
  // store Muon information in produce
  storeMuon(*pOut);
  // store ECal information in produce
  storeECal(*pOut);
  // store HCal information in produce
  storeHCal(*pOut);

  // store information in event
  iEvent.put(pOut,label);

  return;
}

//==================fill and store functions================================
void GlobalHitsProducer::fillG4MC(edm::Event& iEvent)
{

  std::string MsgLoggerCat = "GlobalHitsProducer_fillG4MC";
 
  TString eventout;
  if (verbosity > 0)
    eventout = "\nGathering info:";

  // get MC information
  edm::Handle<edm::HepMCProduct> HepMCEvt;
  std::vector<edm::Handle<edm::HepMCProduct> > AllHepMCEvt;
  iEvent.getManyByType(AllHepMCEvt);

  // loop through products and extract VtxSmearing if available. Any of them
  // should have the information needed
  for (unsigned int i = 0; i < AllHepMCEvt.size(); ++i) {
    HepMCEvt = AllHepMCEvt[i];
    if ((HepMCEvt.provenance()->product()).moduleLabel() == "VtxSmeared")
      break;
  }

  if (!HepMCEvt.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find HepMCProduct in event!";
    return;
  } else {
    eventout += "\n          Using HepMCProduct: ";
    eventout += (HepMCEvt.provenance()->product()).moduleLabel();
  }
  const HepMC::GenEvent* MCEvt = HepMCEvt->GetEvent();
  nRawGenPart = MCEvt->particles_size();

  if (verbosity > 1) {
    eventout += "\n          Number of Raw Particles collected:......... ";
    eventout += nRawGenPart;
  }  

  // get G4Vertex information
  // convert unit stored in SimVertex to mm
  float unit = 0.;
  if (vtxunit == 0) unit = 1.;  // already in mm
  if (vtxunit == 1) unit = 10.; // stored in cm, convert to mm

  edm::Handle<edm::SimVertexContainer> G4VtxContainer;
  iEvent.getByType(G4VtxContainer);
  if (!G4VtxContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find SimVertex in event!";
    return;
  }
  int i = 0;
  edm::SimVertexContainer::const_iterator itVtx;
  for (itVtx = G4VtxContainer->begin(); itVtx != G4VtxContainer->end(); 
       ++itVtx) {
    
    ++i;

    const math::XYZTLorentzVector G4Vtx1(itVtx->position().x(),
                                         itVtx->position().y(),
                                         itVtx->position().z(),
                                         itVtx->position().e());
    double G4Vtx[4];
    G4Vtx1.GetCoordinates(G4Vtx);

    G4VtxX.push_back((G4Vtx[0]*unit)/micrometer);
    G4VtxY.push_back((G4Vtx[1]*unit)/micrometer);
    G4VtxZ.push_back((G4Vtx[2]*unit)/millimeter);
  }

  if (verbosity > 1) {
    eventout += "\n          Number of G4Vertices collected:............ ";
    eventout += i;
  }  

  // get G4Track information
  edm::Handle<edm::SimTrackContainer> G4TrkContainer;
  iEvent.getByType(G4TrkContainer);
  if (!G4TrkContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find SimTrack in event!";
    return;
  }
  i = 0;
  edm::SimTrackContainer::const_iterator itTrk;
  for (itTrk = G4TrkContainer->begin(); itTrk != G4TrkContainer->end(); 
       ++itTrk) {

    ++i;

    const math::XYZTLorentzVector G4Trk1(itTrk->momentum().x(),
                                         itTrk->momentum().y(),
                                         itTrk->momentum().z(),
                                         itTrk->momentum().e());
    double G4Trk[4];
    G4Trk1.GetCoordinates(G4Trk);

    G4TrkPt.push_back(sqrt(G4Trk[0]*G4Trk[0]+G4Trk[1]*G4Trk[1])); //GeV
    G4TrkE.push_back(G4Trk[3]);                                   //GeV
  } 

  if (verbosity > 1) {
    eventout += "\n          Number of G4Tracks collected:.............. ";
    eventout += i;
  }  

  if (verbosity > 0)
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";

  return;
}

void GlobalHitsProducer::storeG4MC(PGlobalSimHit& product)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_storeG4MC";

  if (verbosity > 2) {
    TString eventout("\n       nRawGenPart        = ");
    eventout += nRawGenPart;
    eventout += "\n       nG4Vtx             = ";
    eventout += G4VtxX.size();
    for (unsigned int i = 0; i < G4VtxX.size(); ++i) {
      eventout += "\n          (x,y,z)         = (";
      eventout += G4VtxX[i];
      eventout += ", ";
      eventout += G4VtxY[i];
      eventout += ", ";
      eventout += G4VtxZ[i];
      eventout += ")";      
    }
    eventout += "\n       nG4Trk             = ";
    eventout += G4TrkPt.size();
    for (unsigned int i = 0; i < G4TrkPt.size(); ++i) {
      eventout += "\n          (pt,e)          = (";
      eventout += G4TrkPt[i];
      eventout += ", ";
      eventout += G4TrkE[i];
      eventout += ")";
    }    
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";
  } // end verbose output

  product.putRawGenPart(nRawGenPart);
  product.putG4Vtx(G4VtxX, G4VtxY, G4VtxZ);
  product.putG4Trk(G4TrkPt, G4TrkE);

  return;
}

void GlobalHitsProducer::fillTrk(edm::Event& iEvent, 
                                const edm::EventSetup& iSetup)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_fillTrk";

  TString eventout;
  if (verbosity > 0)
    eventout = "\nGathering info:";  
  
  // access the tracker geometry
  edm::ESHandle<TrackerGeometry> theTrackerGeometry;
  iSetup.get<TrackerDigiGeometryRecord>().get(theTrackerGeometry);
  if (!theTrackerGeometry.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerDigiGeometryRecord in event!";
    return;
  }
  const TrackerGeometry& theTracker(*theTrackerGeometry);
    
  // iterator to access containers
  edm::PSimHitContainer::const_iterator itHit;

  // get Pixel Barrel information
  edm::PSimHitContainer thePxlBrlHits;
  // extract low container
  edm::Handle<edm::PSimHitContainer> PxlBrlLowContainer;
  iEvent.getByLabel(PxlBrlLowSrc_,PxlBrlLowContainer);
  if (!PxlBrlLowContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsPixelBarrelLowTof in event!";
    return;
  }
  // extract high container
  edm::Handle<edm::PSimHitContainer> PxlBrlHighContainer;
  iEvent.getByLabel(PxlBrlHighSrc_,PxlBrlHighContainer);
  if (!PxlBrlHighContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsPixelBarrelHighTof in event!";
    return;
  }
  // place both containers into new container
  thePxlBrlHits.insert(thePxlBrlHits.end(),PxlBrlLowContainer->begin(),
                       PxlBrlLowContainer->end());
  thePxlBrlHits.insert(thePxlBrlHits.end(),PxlBrlHighContainer->begin(),
                       PxlBrlHighContainer->end());

  // cycle through new container
  int i = 0, j = 0;
  for (itHit = thePxlBrlHits.begin(); itHit != thePxlBrlHits.end(); ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->detUnitId());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dTrk) && (subdetector == sdPxlBrl)) {

      // get the GeomDetUnit from the geometry using theDetUnitID
      const GeomDetUnit *theDet = theTracker.idToDetUnit(theDetUnitId);

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get GeomDetUnit from PxlBrlHits for Hit " << i;
        continue;
      }

      ++j;

      // get the Surface of the hit (knows how to go from local <-> global)
      const BoundPlane& bSurface = theDet->surface();

      // gather necessary information
      PxlBrlToF.push_back(itHit->tof());
      PxlBrlR.push_back(bSurface.toGlobal(itHit->localPosition()).perp());
      PxlBrlPhi.push_back(bSurface.toGlobal(itHit->localPosition()).phi());
      PxlBrlEta.push_back(bSurface.toGlobal(itHit->localPosition()).eta());

    } else {
      edm::LogWarning(MsgLoggerCat)
        << "PxlBrl PSimHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dTrk << "," << sdPxlBrl
        << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through PxlBrl Hits

  if (verbosity > 1) {
    eventout += "\n          Number of Pixel Barrel Hits collected:..... ";
    eventout += j;
  }  
  
  // get Pixel Forward information
  edm::PSimHitContainer thePxlFwdHits;
  // extract low container
  edm::Handle<edm::PSimHitContainer> PxlFwdLowContainer;
  iEvent.getByLabel(PxlFwdLowSrc_,PxlFwdLowContainer);
  if (!PxlFwdLowContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsPixelEndcapLowTof in event!";
    return;
  }
  // extract high container
  edm::Handle<edm::PSimHitContainer> PxlFwdHighContainer;
  iEvent.getByLabel(PxlFwdHighSrc_,PxlFwdHighContainer);
  if (!PxlFwdHighContainer.isValid()) {
    edm::LogWarning("GlobalHitsProducer_fillTrk")
      << "Unable to find TrackerHitsPixelEndcapHighTof in event!";
    return;
  }
  // place both containers into new container
  thePxlFwdHits.insert(thePxlFwdHits.end(),PxlFwdLowContainer->begin(),
                       PxlFwdLowContainer->end());
  thePxlFwdHits.insert(thePxlFwdHits.end(),PxlFwdHighContainer->begin(),
                       PxlFwdHighContainer->end());

  // cycle through new container
  i = 0; j = 0;
  for (itHit = thePxlFwdHits.begin(); itHit != thePxlFwdHits.end(); ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->detUnitId());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dTrk) && (subdetector == sdPxlFwd)) {

      // get the GeomDetUnit from the geometry using theDetUnitID
      const GeomDetUnit *theDet = theTracker.idToDetUnit(theDetUnitId);

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get GeomDetUnit from PxlFwdHits for Hit " << i;;
        continue;
      }

      ++j;

      // get the Surface of the hit (knows how to go from local <-> global)
      const BoundPlane& bSurface = theDet->surface();

      // gather necessary information
      PxlFwdToF.push_back(itHit->tof());
      PxlFwdZ.push_back(bSurface.toGlobal(itHit->localPosition()).z());
      PxlFwdPhi.push_back(bSurface.toGlobal(itHit->localPosition()).phi());
      PxlFwdEta.push_back(bSurface.toGlobal(itHit->localPosition()).eta());
    } else {
      edm::LogWarning(MsgLoggerCat)
        << "PxlFwd PSimHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dTrk << "," << sdPxlFwd
        << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through PxlFwd Hits

  if (verbosity > 1) {
    eventout += "\n          Number of Pixel Forward Hits collected:.... ";
    eventout += j;
  }  

  // get Silicon Barrel information
  edm::PSimHitContainer theSiBrlHits;
  // extract TIB low container
  edm::Handle<edm::PSimHitContainer> SiTIBLowContainer;
  iEvent.getByLabel(SiTIBLowSrc_,SiTIBLowContainer);
  if (!SiTIBLowContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsTIBLowTof in event!";
    return;
  }
  // extract TIB high container
  edm::Handle<edm::PSimHitContainer> SiTIBHighContainer;
  iEvent.getByLabel(SiTIBHighSrc_,SiTIBHighContainer);
  if (!SiTIBHighContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsTIBHighTof in event!";
    return;
  }
  // extract TOB low container
  edm::Handle<edm::PSimHitContainer> SiTOBLowContainer;
  iEvent.getByLabel(SiTOBLowSrc_,SiTOBLowContainer);
  if (!SiTOBLowContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsTOBLowTof in event!";
    return;
  }
  // extract TOB high container
  edm::Handle<edm::PSimHitContainer> SiTOBHighContainer;
  iEvent.getByLabel(SiTOBHighSrc_,SiTOBHighContainer);
  if (!SiTOBHighContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsTOBHighTof in event!";
    return;
  }
  // place all containers into new container
  theSiBrlHits.insert(theSiBrlHits.end(),SiTIBLowContainer->begin(),
                       SiTIBLowContainer->end());
  theSiBrlHits.insert(theSiBrlHits.end(),SiTIBHighContainer->begin(),
                       SiTIBHighContainer->end());
  theSiBrlHits.insert(theSiBrlHits.end(),SiTOBLowContainer->begin(),
                       SiTOBLowContainer->end());
  theSiBrlHits.insert(theSiBrlHits.end(),SiTOBHighContainer->begin(),
                       SiTOBHighContainer->end());

  // cycle through new container
  i = 0; j = 0;
  for (itHit = theSiBrlHits.begin(); itHit != theSiBrlHits.end(); ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->detUnitId());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dTrk) && 
        ((subdetector == sdSiTIB) ||
         (subdetector == sdSiTOB))) {

      // get the GeomDetUnit from the geometry using theDetUnitID
      const GeomDetUnit *theDet = theTracker.idToDetUnit(theDetUnitId);

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get GeomDetUnit from SiBrlHits for Hit " << i;
        continue;
      }

      ++j;

      // get the Surface of the hit (knows how to go from local <-> global)
      const BoundPlane& bSurface = theDet->surface();

      // gather necessary information
      SiBrlToF.push_back(itHit->tof());
      SiBrlR.push_back(bSurface.toGlobal(itHit->localPosition()).perp());
      SiBrlPhi.push_back(bSurface.toGlobal(itHit->localPosition()).phi());
      SiBrlEta.push_back(bSurface.toGlobal(itHit->localPosition()).eta());
    } else {
      edm::LogWarning(MsgLoggerCat)
        << "SiBrl PSimHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dTrk << "," << sdSiTIB
        << " || " << sdSiTOB << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through SiBrl Hits

  if (verbosity > 1) {
    eventout += "\n          Number of Silicon Barrel Hits collected:... ";
    eventout += j;
  }  

  // get Silicon Forward information
  edm::PSimHitContainer theSiFwdHits;
  // extract TID low container
  edm::Handle<edm::PSimHitContainer> SiTIDLowContainer;
  iEvent.getByLabel(SiTIDLowSrc_,SiTIDLowContainer);
  if (!SiTIDLowContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsTIDLowTof in event!";
    return;
  }
  // extract TID high container
  edm::Handle<edm::PSimHitContainer> SiTIDHighContainer;
  iEvent.getByLabel(SiTIDHighSrc_,SiTIDHighContainer);
  if (!SiTIDHighContainer.isValid()) {
    edm::LogWarning("GlobalHitsProducer_fillTrk")
      << "Unable to find TrackerHitsTIDHighTof in event!";
    return;
  }
  // extract TEC low container
  edm::Handle<edm::PSimHitContainer> SiTECLowContainer;
  iEvent.getByLabel(SiTECLowSrc_,SiTECLowContainer);
  if (!SiTECLowContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsTECLowTof in event!";
    return;
  }
  // extract TEC high container
  edm::Handle<edm::PSimHitContainer> SiTECHighContainer;
  iEvent.getByLabel(SiTECHighSrc_,SiTECHighContainer);
  if (!SiTECHighContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find TrackerHitsTECHighTof in event!";
    return;
  }
  // place all containers into new container
  theSiFwdHits.insert(theSiFwdHits.end(),SiTIDLowContainer->begin(),
                       SiTIDLowContainer->end());
  theSiFwdHits.insert(theSiFwdHits.end(),SiTIDHighContainer->begin(),
                       SiTIDHighContainer->end());
  theSiFwdHits.insert(theSiFwdHits.end(),SiTECLowContainer->begin(),
                       SiTECLowContainer->end());
  theSiFwdHits.insert(theSiFwdHits.end(),SiTECHighContainer->begin(),
                       SiTECHighContainer->end());

  // cycle through container
  i = 0; j = 0;
  for (itHit = theSiFwdHits.begin(); itHit != theSiFwdHits.end(); ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->detUnitId());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned 
    if ((detector == dTrk) && 
        ((subdetector == sdSiTID) ||
         (subdetector == sdSiTEC))) {
      
      // get the GeomDetUnit from the geometry using theDetUnitID
      const GeomDetUnit *theDet = theTracker.idToDetUnit(theDetUnitId);
      
      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get GeomDetUnit from SiFwdHits Hit " << i;
        return;
      }
      
      ++j;

      // get the Surface of the hit (knows how to go from local <-> global)
      const BoundPlane& bSurface = theDet->surface();
      
      // gather necessary information
      SiFwdToF.push_back(itHit->tof());
      SiFwdZ.push_back(bSurface.toGlobal(itHit->localPosition()).z());
      SiFwdPhi.push_back(bSurface.toGlobal(itHit->localPosition()).phi());
      SiFwdEta.push_back(bSurface.toGlobal(itHit->localPosition()).eta());
    } else {
      edm::LogWarning(MsgLoggerCat)
        << "SiFwd PSimHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dTrk << "," << sdSiTOB
        << " || " << sdSiTEC << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end check detector type
  } // end loop through SiFwd Hits

  if (verbosity > 1) {
    eventout += "\n          Number of Silicon Forward Hits collected:.. ";
    eventout += j;
  }  

  if (verbosity > 0)
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";

  return;
}

void GlobalHitsProducer::storeTrk(PGlobalSimHit& product)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_storeTrk";

  if (verbosity > 2) {
    TString eventout("\n       nPxlBrlHits        = ");
    eventout += PxlBrlToF.size();
    for (unsigned int i = 0; i < PxlBrlToF.size(); ++i) {
      eventout += "\n          (tof,r,phi,eta) = (";
      eventout += PxlBrlToF[i];
      eventout += ", ";
      eventout += PxlBrlR[i];
      eventout += ", ";
      eventout += PxlBrlPhi[i];
      eventout += ", ";
      eventout += PxlBrlEta[i];
      eventout += ")";      
    } // end PxlBrl output
    eventout += "\n       nPxlFwdHits        = ";
    eventout += PxlFwdToF.size();
    for (unsigned int i = 0; i < PxlFwdToF.size(); ++i) {
      eventout += "\n          (tof,z,phi,eta) = (";
      eventout += PxlFwdToF[i];
      eventout += ", ";
      eventout += PxlFwdZ[i];
      eventout += ", ";
      eventout += PxlFwdPhi[i];
      eventout += ", ";
      eventout += PxlFwdEta[i];
      eventout += ")";      
    } // end PxlFwd output
    eventout += "\n       nSiBrlHits         = ";
    eventout += SiBrlToF.size();
    for (unsigned int i = 0; i < SiBrlToF.size(); ++i) {
      eventout += "\n          (tof,r,phi,eta) = (";
      eventout += SiBrlToF[i];
      eventout += ", ";
      eventout += SiBrlR[i];
      eventout += ", ";
      eventout += SiBrlPhi[i];
      eventout += ", ";
      eventout += SiBrlEta[i];
      eventout += ")";      
    } // end SiBrl output
    eventout += "\n       nSiFwdHits         = ";
    eventout += SiFwdToF.size();
    for (unsigned int i = 0; i < SiFwdToF.size(); ++i) {
      eventout += "\n          (tof,z,phi,eta) = (";
      eventout += SiFwdToF[i];
      eventout += ", ";
      eventout += SiFwdZ[i];
      eventout += ", ";
      eventout += SiFwdPhi[i];
      eventout += ", ";
      eventout += SiFwdEta[i];
      eventout += ")";      
    } // end SiFwd output
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";
  } // end verbose output

  product.putPxlBrlHits(PxlBrlToF,PxlBrlR,PxlBrlPhi,PxlBrlEta);
  product.putPxlFwdHits(PxlFwdToF,PxlFwdZ,PxlFwdPhi,PxlFwdEta);
  product.putSiBrlHits(SiBrlToF,SiBrlR,SiBrlPhi,SiBrlEta);
  product.putSiFwdHits(SiFwdToF,SiFwdZ,SiFwdPhi,SiFwdEta);

  return;
}

void GlobalHitsProducer::fillMuon(edm::Event& iEvent, 
                                 const edm::EventSetup& iSetup)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_fillMuon";

  TString eventout;
  if (verbosity > 0)
    eventout = "\nGathering info:";  

  // iterator to access containers
  edm::PSimHitContainer::const_iterator itHit;

  //int i = 0, j = 0;
  // access the CSC Muon
  // access the CSC Muon geometry
  edm::ESHandle<CSCGeometry> theCSCGeometry;
  iSetup.get<MuonGeometryRecord>().get(theCSCGeometry);
  if (!theCSCGeometry.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find MuonGeometryRecord for the CSCGeometry in event!";
    return;
  }
  const CSCGeometry& theCSCMuon(*theCSCGeometry);

  // get Muon CSC information
  edm::Handle<edm::PSimHitContainer> MuonCSCContainer;
  iEvent.getByLabel(MuonCscSrc_,MuonCSCContainer);
  if (!MuonCSCContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find MuonCSCHits in event!";
    return;
  }

  // cycle through container
  int i = 0, j = 0;
  for (itHit = MuonCSCContainer->begin(); itHit != MuonCSCContainer->end(); 
       ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->detUnitId());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dMuon) && 
        (subdetector == sdMuonCSC)) {

      // get the GeomDetUnit from the geometry using theDetUnitID
      const GeomDetUnit *theDet = theCSCMuon.idToDetUnit(theDetUnitId);
    
      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get GeomDetUnit from theCSCMuon for hit " << i;
        continue;
      }
     
      ++j;

      // get the Surface of the hit (knows how to go from local <-> global)
      const BoundPlane& bSurface = theDet->surface();
    
      // gather necessary information
      MuonCscToF.push_back(itHit->tof());
      MuonCscZ.push_back(bSurface.toGlobal(itHit->localPosition()).z());
      MuonCscPhi.push_back(bSurface.toGlobal(itHit->localPosition()).phi());
      MuonCscEta.push_back(bSurface.toGlobal(itHit->localPosition()).eta());
    } else {
      edm::LogWarning(MsgLoggerCat)
        << "MuonCsc PSimHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dMuon << "," << sdMuonCSC
        << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through CSC Hits

  if (verbosity > 1) {
    eventout += "\n          Number of CSC muon Hits collected:......... ";
    eventout += j;
  }  

  //i = 0, j = 0;
  // access the DT Muon
  // access the DT Muon geometry
  edm::ESHandle<DTGeometry> theDTGeometry;
  iSetup.get<MuonGeometryRecord>().get(theDTGeometry);
  if (!theDTGeometry.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find MuonGeometryRecord for the DTGeometry in event!";
    return;
  }
  const DTGeometry& theDTMuon(*theDTGeometry);

  // get Muon DT information
  edm::Handle<edm::PSimHitContainer> MuonDtContainer;
  iEvent.getByLabel(MuonDtSrc_,MuonDtContainer);
  if (!MuonDtContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find MuonDTHits in event!";
    return;
  }

  // cycle through container
  i = 0, j = 0;
  for (itHit = MuonDtContainer->begin(); itHit != MuonDtContainer->end(); 
       ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->detUnitId());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dMuon) && 
        (subdetector == sdMuonDT)) {

      // CSC uses wires and layers rather than the full detID
      // get the wireId
      DTWireId wireId(itHit->detUnitId());

      // get the DTLayer from the geometry using the wireID
      const DTLayer *theDet = theDTMuon.layer(wireId.layerId());

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get GeomDetUnit from theDtMuon for hit " << i;
        continue;
      }
     
      ++j;

      // get the Surface of the hit (knows how to go from local <-> global)
      const BoundPlane& bSurface = theDet->surface();
    
      // gather necessary information
      MuonDtToF.push_back(itHit->tof());
      MuonDtR.push_back(bSurface.toGlobal(itHit->localPosition()).perp());
      MuonDtPhi.push_back(bSurface.toGlobal(itHit->localPosition()).phi());
      MuonDtEta.push_back(bSurface.toGlobal(itHit->localPosition()).eta());
    } else {
      edm::LogWarning(MsgLoggerCat)
        << "MuonDt PSimHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dMuon << "," << sdMuonDT
        << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through DT Hits

  if (verbosity > 1) {
    eventout += "\n          Number of DT muon Hits collected:.......... ";
    eventout += j;
  } 

  //i = 0, j = 0;
  //int RPCBrl = 0, RPCFwd = 0;
  // access the RPC Muon
  // access the RPC Muon geometry
  edm::ESHandle<RPCGeometry> theRPCGeometry;
  iSetup.get<MuonGeometryRecord>().get(theRPCGeometry);
  if (!theRPCGeometry.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find MuonGeometryRecord for the RPCGeometry in event!";
    return;
  }
  const RPCGeometry& theRPCMuon(*theRPCGeometry);

  // get Muon RPC information
  edm::Handle<edm::PSimHitContainer> MuonRPCContainer;
  iEvent.getByLabel(MuonRpcSrc_,MuonRPCContainer);
  if (!MuonRPCContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find MuonRPCHits in event!";
    return;
  }

  // cycle through container
  i = 0, j = 0;
  int RPCBrl =0, RPCFwd = 0;
  for (itHit = MuonRPCContainer->begin(); itHit != MuonRPCContainer->end(); 
       ++itHit) {

    ++i;

    // create a DetID from the detUnitId
    DetId theDetUnitId(itHit->detUnitId());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dMuon) && 
        (subdetector == sdMuonRPC)) {
      
      // get an RPCDetID from the detUnitID
      RPCDetId RPCId(itHit->detUnitId());      

      // find the region of the RPC hit
      int region = RPCId.region();

      // get the GeomDetUnit from the geometry using the RPCDetId
      const GeomDetUnit *theDet = theRPCMuon.idToDetUnit(theDetUnitId);

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get GeomDetUnit from theRPCMuon for hit " << i;
        continue;
      }

      ++j;

      // get the Surface of the hit (knows how to go from local <-> global)
      const BoundPlane& bSurface = theDet->surface();
    
      // gather necessary information
      if ((region == sdMuonRPCRgnFwdp) || (region == sdMuonRPCRgnFwdn)) {
        ++RPCFwd;

        MuonRpcFwdToF.push_back(itHit->tof());
        MuonRpcFwdZ.push_back(bSurface.toGlobal(itHit->localPosition()).z());
        MuonRpcFwdPhi.
          push_back(bSurface.toGlobal(itHit->localPosition()).phi());
        MuonRpcFwdEta.
          push_back(bSurface.toGlobal(itHit->localPosition()).eta());
      } else if (region == sdMuonRPCRgnBrl) {
        ++RPCBrl;

        MuonRpcBrlToF.push_back(itHit->tof());
        MuonRpcBrlR.
          push_back(bSurface.toGlobal(itHit->localPosition()).perp());
        MuonRpcBrlPhi.
          push_back(bSurface.toGlobal(itHit->localPosition()).phi());
        MuonRpcBrlEta.
          push_back(bSurface.toGlobal(itHit->localPosition()).eta());   
      } else {
        edm::LogWarning(MsgLoggerCat)
          << "Invalid region for RPC Muon hit" << i;
        continue;
      } // end check of region
    } else {
      edm::LogWarning(MsgLoggerCat)
        << "MuonRpc PSimHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dMuon << "," << sdMuonRPC
        << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through RPC Hits

  if (verbosity > 1) {
    eventout += "\n          Number of RPC muon Hits collected:......... ";
    eventout += j;
    eventout += "\n                    RPC Barrel muon Hits:............ ";
    eventout += RPCBrl;
    eventout += "\n                    RPC Forward muon Hits:........... ";
    eventout += RPCFwd;    
  }  

  if (verbosity > 0)
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";

  return;
}

void GlobalHitsProducer::storeMuon(PGlobalSimHit& product)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_storeMuon";

  if (verbosity > 2) {
    TString eventout("\n       nMuonCSCHits       = ");
    eventout += MuonCscToF.size();
    for (unsigned int i = 0; i < MuonCscToF.size(); ++i) {
      eventout += "\n          (tof,z,phi,eta) = (";
      eventout += MuonCscToF[i];
      eventout += ", ";
      eventout += MuonCscZ[i];
      eventout += ", ";
      eventout += MuonCscPhi[i];
      eventout += ", ";
      eventout += MuonCscEta[i];
      eventout += ")";      
    } // end MuonCsc output
    eventout += "\n       nMuonDtHits        = ";
    eventout += MuonDtToF.size();
    for (unsigned int i = 0; i < MuonDtToF.size(); ++i) {
      eventout += "\n          (tof,r,phi,eta) = (";
      eventout += MuonDtToF[i];
      eventout += ", ";
      eventout += MuonDtR[i];
      eventout += ", ";
      eventout += MuonDtPhi[i];
      eventout += ", ";
      eventout += MuonDtEta[i];
      eventout += ")";      
    } // end MuonDt output
    eventout += "\n       nMuonRpcBrlHits    = ";
    eventout += MuonRpcBrlToF.size();
    for (unsigned int i = 0; i < MuonRpcBrlToF.size(); ++i) {
      eventout += "\n          (tof,r,phi,eta) = (";
      eventout += MuonRpcBrlToF[i];
      eventout += ", ";
      eventout += MuonRpcBrlR[i];
      eventout += ", ";
      eventout += MuonRpcBrlPhi[i];
      eventout += ", ";
      eventout += MuonRpcBrlEta[i];
      eventout += ")";      
    } // end MuonRpcBrl output
    eventout += "\n       nMuonRpcFwdHits    = ";
    eventout += MuonRpcFwdToF.size();
    for (unsigned int i = 0; i < MuonRpcFwdToF.size(); ++i) {
      eventout += "\n          (tof,z,phi,eta) = (";
      eventout += MuonRpcFwdToF[i];
      eventout += ", ";
      eventout += MuonRpcFwdZ[i];
      eventout += ", ";
      eventout += MuonRpcFwdPhi[i];
      eventout += ", ";
      eventout += MuonRpcFwdEta[i]; 
      eventout += ")";      
    } // end MuonRpcFwd output
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";
  } // end verbose output

  product.putMuonCscHits(MuonCscToF,MuonCscZ,MuonCscPhi,MuonCscEta);
  product.putMuonDtHits(MuonDtToF,MuonDtR,MuonDtPhi,MuonDtEta);
  product.putMuonRpcBrlHits(MuonRpcBrlToF,MuonRpcBrlR,MuonRpcBrlPhi,
                             MuonRpcBrlEta);
  product.putMuonRpcFwdHits(MuonRpcFwdToF,MuonRpcFwdZ,MuonRpcFwdPhi,
                             MuonRpcFwdEta);

  return;
}

void GlobalHitsProducer::fillECal(edm::Event& iEvent, 
                                const edm::EventSetup& iSetup)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_fillECal";

  TString eventout;
  if (verbosity > 0)
    eventout = "\nGathering info:";  
  
  // access the calorimeter geometry
  edm::ESHandle<CaloGeometry> theCaloGeometry;
  iSetup.get<CaloGeometryRecord>().get(theCaloGeometry);
  if (!theCaloGeometry.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find CaloGeometryRecord in event!";
    return;
  }
  const CaloGeometry& theCalo(*theCaloGeometry);
    
  // iterator to access containers
  edm::PCaloHitContainer::const_iterator itHit;

  // get  ECal information
  edm::PCaloHitContainer theECalHits;
  // extract EB container
  edm::Handle<edm::PCaloHitContainer> EBContainer;
  iEvent.getByLabel(ECalEBSrc_,EBContainer);
  if (!EBContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find EcalHitsEB in event!";
    return;
  }
  // extract EE container
  edm::Handle<edm::PCaloHitContainer> EEContainer;
  iEvent.getByLabel(ECalEESrc_,EEContainer);
  if (!EEContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find EcalHitsEE in event!";
    return;
  }
  // place both containers into new container
  theECalHits.insert(theECalHits.end(),EBContainer->begin(),
                       EBContainer->end());
  theECalHits.insert(theECalHits.end(),EEContainer->begin(),
                       EEContainer->end());

  // cycle through new container
  int i = 0, j = 0;
  for (itHit = theECalHits.begin(); itHit != theECalHits.end(); ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->id());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dEcal) && 
        ((subdetector == sdEcalBrl) ||
         (subdetector == sdEcalFwd))) {

      // get the Cell geometry
      const CaloCellGeometry *theDet = theCalo.
        getSubdetectorGeometry(theDetUnitId)->getGeometry(theDetUnitId);

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get CaloCellGeometry from ECalHits for Hit " << i;
        continue;
      }

      ++j;

      // get the global position of the cell
      const GlobalPoint& globalposition = theDet->getPosition();

      // gather necessary information
      ECalE.push_back(itHit->energy());
      ECalToF.push_back(itHit->time());
      ECalPhi.push_back(globalposition.phi());
      ECalEta.push_back(globalposition.eta());

    } else {
      edm::LogWarning(MsgLoggerCat)
        << "ECal PCaloHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dEcal << "," << sdEcalBrl
        << " || " << sdEcalFwd << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through ECal Hits

  if (verbosity > 1) {
    eventout += "\n          Number of ECal Hits collected:............. ";
    eventout += j;
  }  

  // Get Preshower information
  // extract PreShower container
  edm::Handle<edm::PCaloHitContainer> PreShContainer;
  iEvent.getByLabel(ECalESSrc_,PreShContainer);
  if (!PreShContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find EcalHitsES in event!";
    return;
  }

  // cycle through container
  i = 0, j = 0;
  for (itHit = PreShContainer->begin(); 
       itHit != PreShContainer->end(); ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->id());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dEcal) && 
        (subdetector == sdEcalPS)) {

      // get the Cell geometry
      const CaloCellGeometry *theDet = theCalo.
        getSubdetectorGeometry(theDetUnitId)->getGeometry(theDetUnitId);

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get CaloCellGeometry from PreShContainer for Hit " 
          << i;
        continue;
      }

      ++j;

      // get the global position of the cell
      const GlobalPoint& globalposition = theDet->getPosition();

      // gather necessary information
      PreShE.push_back(itHit->energy());
      PreShToF.push_back(itHit->time());
      PreShPhi.push_back(globalposition.phi());
      PreShEta.push_back(globalposition.eta());

    } else {
      edm::LogWarning(MsgLoggerCat)
        << "PreSh PCaloHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dEcal << "," << sdEcalPS
        << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through PreShower Hits

  if (verbosity > 1) {
    eventout += "\n          Number of PreSh Hits collected:............ ";
    eventout += j;
  }  

  if (verbosity > 0)
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";

  return;
}

void GlobalHitsProducer::storeECal(PGlobalSimHit& product)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_storeECal";

  if (verbosity > 2) {
    TString eventout("\n       nECalHits          = ");
    eventout += ECalE.size();
    for (unsigned int i = 0; i < ECalE.size(); ++i) {
      eventout += "\n          (e,tof,phi,eta) = (";
      eventout += ECalE[i];
      eventout += ", ";
      eventout += ECalToF[i];
      eventout += ", ";
      eventout += ECalPhi[i];
      eventout += ", ";
      eventout += ECalEta[i];  
      eventout += ")";   
    } // end ECal output
    eventout += "\n       nPreShHits         = ";
    eventout += PreShE.size();
    for (unsigned int i = 0; i < PreShE.size(); ++i) {
      eventout += "\n          (e,tof,phi,eta) = (";
      eventout += PreShE[i];
      eventout += ", ";
      eventout += PreShToF[i];
      eventout += ", ";
      eventout += PreShPhi[i];
      eventout += ", ";
      eventout += PreShEta[i]; 
      eventout += ")";    
    } // end PreShower output
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";
  } // end verbose output

  product.putECalHits(ECalE,ECalToF,ECalPhi,ECalEta);
  product.putPreShHits(PreShE,PreShToF,PreShPhi,PreShEta);

  return;
}

void GlobalHitsProducer::fillHCal(edm::Event& iEvent, 
                                const edm::EventSetup& iSetup)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_fillHCal";

  TString eventout;
  if (verbosity > 0)
    eventout = "\nGathering info:";  
  
  // access the calorimeter geometry
  edm::ESHandle<CaloGeometry> theCaloGeometry;
  iSetup.get<CaloGeometryRecord>().get(theCaloGeometry);
  if (!theCaloGeometry.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find CaloGeometryRecord in event!";
    return;
  }
  const CaloGeometry& theCalo(*theCaloGeometry);
    
  // iterator to access containers
  edm::PCaloHitContainer::const_iterator itHit;

  // get  HCal information
  // extract HCal container
  edm::Handle<edm::PCaloHitContainer> HCalContainer;
  iEvent.getByLabel(HCalSrc_,HCalContainer);
  if (!HCalContainer.isValid()) {
    edm::LogWarning(MsgLoggerCat)
      << "Unable to find HCalHits in event!";
    return;
  }

  // cycle through container
  int i = 0, j = 0;
  for (itHit = HCalContainer->begin(); 
       itHit != HCalContainer->end(); ++itHit) {

    ++i;

    // create a DetId from the detUnitId
    DetId theDetUnitId(itHit->id());
    int detector = theDetUnitId.det();
    int subdetector = theDetUnitId.subdetId();

    // check that expected detector is returned
    if ((detector == dHcal) && 
        ((subdetector == sdHcalBrl) ||
         (subdetector == sdHcalEC) ||
         (subdetector == sdHcalOut) ||
         (subdetector == sdHcalFwd))) {

      // get the Cell geometry
      const CaloCellGeometry *theDet = theCalo.
        getSubdetectorGeometry(theDetUnitId)->getGeometry(theDetUnitId);

      if (!theDet) {
        edm::LogWarning(MsgLoggerCat)
          << "Unable to get CaloCellGeometry from HCalContainer for Hit " << i;
        continue;
      }

      ++j;

      // get the global position of the cell
      const GlobalPoint& globalposition = theDet->getPosition();

      // gather necessary information
      HCalE.push_back(itHit->energy());
      HCalToF.push_back(itHit->time());
      HCalPhi.push_back(globalposition.phi());
      HCalEta.push_back(globalposition.eta());

    } else {
      edm::LogWarning(MsgLoggerCat)
        << "HCal PCaloHit " << i 
        << " is expected to be (det,subdet) = (" 
        << dHcal << "," << sdHcalBrl
        << " || " << sdHcalEC << " || " << sdHcalOut << " || " << sdHcalFwd
        << "); value returned is: ("
        << detector << "," << subdetector << ")";
      continue;
    } // end detector type check
  } // end loop through HCal Hits

  if (verbosity > 1) {
    eventout += "\n          Number of HCal Hits collected:............. ";
    eventout += j;
  }  

  if (verbosity > 0)
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";

  return;
}

void GlobalHitsProducer::storeHCal(PGlobalSimHit& product)
{
  std::string MsgLoggerCat = "GlobalHitsProducer_storeHCal";

  if (verbosity > 2) {
    TString eventout("\n       nHCalHits          = ");
    eventout += HCalE.size();
    for (unsigned int i = 0; i < HCalE.size(); ++i) {
      eventout += "\n          (e,tof,phi,eta) = (";
      eventout += HCalE[i];
      eventout += ", ";
      eventout += HCalToF[i];
      eventout += ", ";
      eventout += HCalPhi[i];
      eventout += ", ";
      eventout += HCalEta[i];  
      eventout += ")";      
    } // end HCal output
    edm::LogInfo(MsgLoggerCat) << eventout << "\n";
  } // end verbose output

  product.putHCalHits(HCalE,HCalToF,HCalPhi,HCalEta);

  return;
}

void GlobalHitsProducer::clear()
{
  std::string MsgLoggerCat = "GlobalHitsProducer_clear";

  if (verbosity > 0)
    edm::LogInfo(MsgLoggerCat)
      << "Clearing event holders"; 

  // reset G4MC info
  nRawGenPart = 0;
  G4VtxX.clear();
  G4VtxY.clear();
  G4VtxZ.clear();
  G4TrkPt.clear();
  G4TrkE.clear();

  // reset electromagnetic info
  // reset ECal info
  ECalE.clear();
  ECalToF.clear();
  ECalPhi.clear();
  ECalEta.clear();
  // reset Preshower info
  PreShE.clear();
  PreShToF.clear();
  PreShPhi.clear();
  PreShEta.clear();

  // reset hadronic info
  // reset HCal info
  HCalE.clear();
  HCalToF.clear();
  HCalPhi.clear();
  HCalEta.clear();

  // reset tracker info
  // reset Pixel info
  PxlBrlToF.clear(); 
  PxlBrlR.clear(); 
  PxlBrlPhi.clear(); 
  PxlBrlEta.clear(); 
  PxlFwdToF.clear(); 
  PxlFwdZ.clear();
  PxlFwdPhi.clear(); 
  PxlFwdEta.clear();
  // reset strip info
  SiBrlToF.clear(); 
  SiBrlR.clear(); 
  SiBrlPhi.clear(); 
  SiBrlEta.clear(); 
  SiFwdToF.clear(); 
  SiFwdZ.clear();
  SiFwdPhi.clear(); 
  SiFwdEta.clear();

  // reset muon info
  // reset muon DT info
  MuonDtToF.clear(); 
  MuonDtR.clear();
  MuonDtPhi.clear();
  MuonDtEta.clear();
  // reset muon CSC info
  MuonCscToF.clear(); 
  MuonCscZ.clear();
  MuonCscPhi.clear();
  MuonCscEta.clear();
  // rest muon RPC info
  MuonRpcBrlToF.clear(); 
  MuonRpcBrlR.clear();
  MuonRpcBrlPhi.clear();
  MuonRpcBrlEta.clear(); 
  MuonRpcFwdToF.clear(); 
  MuonRpcFwdZ.clear();
  MuonRpcFwdPhi.clear();
  MuonRpcFwdEta.clear();

  return;
}

---