L1TGMT.cc

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/*
 * \file L1TGMT.cc
 *
 * \author J. Berryhill, I. Mikulec
 *
 */

#include "DQM/L1TMonitor/interface/L1TGMT.h"
#include "DQMServices/Core/interface/DQMStore.h"

#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "CondFormats/L1TObjects/interface/L1MuTriggerScales.h"
#include "CondFormats/DataRecord/interface/L1MuTriggerScalesRcd.h"
#include "CondFormats/L1TObjects/interface/L1MuTriggerPtScale.h"
#include "CondFormats/DataRecord/interface/L1MuTriggerPtScaleRcd.h"

using namespace std;
using namespace edm;

const double L1TGMT::piconv_ = 180. / acos(-1.);

L1TGMT::L1TGMT(const ParameterSet& ps)
  :   verbose_(ps.getUntrackedParameter<bool>("verbose", false))   // verbosity switch
  , gmtSource_(consumes<L1MuGMTReadoutCollection>(ps.getParameter< InputTag >("gmtSource")))
  , bxnum_old_(0)
  , obnum_old_(0)
  , trsrc_old_(0)
 {
  if(verbose_) cout << "L1TGMT: constructor...." << endl;
}

L1TGMT::~L1TGMT()
{
}


void L1TGMT::dqmBeginRun(const edm::Run& r, const edm::EventSetup& c)
{
}



void L1TGMT::analyze(const Event& e, const EventSetup& c)
{
  
  if(verbose_) cout << "L1TGMT: analyze...." << endl;


  edm::Handle<L1MuGMTReadoutCollection> pCollection;
  e.getByToken(gmtSource_,pCollection);
  
  if (!pCollection.isValid()) {
    edm::LogInfo("DataNotFound") << "can't find L1MuGMTReadoutCollection" ;
    return;
  }

  // remember the bx of 1st candidate of each system (9=none)
  int bx1st[4] = {9, 9, 9, 9};

  // get GMT readout collection
  L1MuGMTReadoutCollection const* gmtrc = pCollection.product();
  // get record vector
  vector<L1MuGMTReadoutRecord> gmt_records = gmtrc->getRecords();
  // loop over records of individual bx's
  vector<L1MuGMTReadoutRecord>::const_iterator RRItr;
  
  for( RRItr = gmt_records.begin(); RRItr != gmt_records.end(); RRItr++ ) 
  {
    
    vector<L1MuRegionalCand> INPCands[4] = {
        RRItr->getDTBXCands(),
        RRItr->getBrlRPCCands(),
        RRItr->getCSCCands(),
        RRItr->getFwdRPCCands()
    };
    vector<L1MuGMTExtendedCand> GMTCands   = RRItr->getGMTCands();
    
    vector<L1MuRegionalCand>::const_iterator INPItr;
    vector<L1MuGMTExtendedCand>::const_iterator GMTItr;
    vector<L1MuGMTExtendedCand>::const_iterator GMTItr2;
    
    int BxInEvent = RRItr->getBxInEvent();
    
    // count non-empty candidates in this bx
    int nSUBS[5] = {0, 0, 0, 0, 0};
    for(int i=0; i<4; i++) {
      for( INPItr = INPCands[i].begin(); INPItr != INPCands[i].end(); ++INPItr ) {
        if(!INPItr->empty()) {
          nSUBS[i]++;
          if(bx1st[i]==9) bx1st[i]=BxInEvent;
        }
      }      
      subs_nbx[i]->Fill(float(nSUBS[i]),float(BxInEvent));
    }

    for( GMTItr = GMTCands.begin(); GMTItr != GMTCands.end(); ++GMTItr ) {
      if(!GMTItr->empty()) nSUBS[GMT]++;
    }
    subs_nbx[GMT]->Fill(float(nSUBS[GMT]),float(BxInEvent));
    
    // from here care only about the L1A bunch crossing
    if(BxInEvent!=0) continue;
    
    // get the absolute bx number of the L1A
    int Bx = RRItr->getBxNr();
    
    bx_number->Fill(double(Bx));
 
    for(int i=0; i<4; i++) {
      for( INPItr = INPCands[i].begin(); INPItr != INPCands[i].end(); ++INPItr ) {
        if(INPItr->empty()) continue;
        subs_eta[i]->Fill(INPItr->etaValue());
        subs_phi[i]->Fill(phiconv_(INPItr->phiValue()));
        subs_pt[i]->Fill(INPItr->ptValue());
        subs_qty[i]->Fill(INPItr->quality());
        subs_etaphi[i]->Fill(INPItr->etaValue(),phiconv_(INPItr->phiValue()));
        subs_etaqty[i]->Fill(INPItr->etaValue(),INPItr->quality());
        int word = INPItr->getDataWord();
        for( int j=0; j<32; j++ ) {
          if( word&(1<<j) ) subs_bits[i]->Fill(float(j));
        }
      }
    }
        
    for( GMTItr = GMTCands.begin(); GMTItr != GMTCands.end(); ++GMTItr ) {
      if(GMTItr->empty()) continue;
      subs_eta[GMT]->Fill(GMTItr->etaValue());
      subs_phi[GMT]->Fill(phiconv_(GMTItr->phiValue()));
      subs_pt[GMT]->Fill(GMTItr->ptValue());
      subs_qty[GMT]->Fill(GMTItr->quality());
      subs_etaphi[GMT]->Fill(GMTItr->etaValue(),phiconv_(GMTItr->phiValue()));
      subs_etaqty[GMT]->Fill(GMTItr->etaValue(),GMTItr->quality());
      int word = GMTItr->getDataWord();
      for( int j=0; j<32; j++ ) {
        if( word&(1<<j) ) subs_bits[GMT]->Fill(float(j));
      }
      
      if(GMTItr->isMatchedCand()) {
        if(GMTItr->quality()>3) {
          eta_dtcsc_and_rpc->Fill(GMTItr->etaValue());
          phi_dtcsc_and_rpc->Fill(phiconv_(GMTItr->phiValue()));
          etaphi_dtcsc_and_rpc->Fill(GMTItr->etaValue(),phiconv_(GMTItr->phiValue()));
        }
      } else if(GMTItr->isRPC()) {
        if(GMTItr->quality()>3) {
          eta_rpc_only->Fill(GMTItr->etaValue());
          phi_rpc_only->Fill(phiconv_(GMTItr->phiValue()));
          etaphi_rpc_only->Fill(GMTItr->etaValue(),phiconv_(GMTItr->phiValue()));        
        }
      } else {
        if(GMTItr->quality()>3) {
          eta_dtcsc_only->Fill(GMTItr->etaValue());
          phi_dtcsc_only->Fill(phiconv_(GMTItr->phiValue()));
          etaphi_dtcsc_only->Fill(GMTItr->etaValue(),phiconv_(GMTItr->phiValue()));
        }
        
        if(GMTItr != GMTCands.end()){
          for( GMTItr2 = GMTCands.begin(); GMTItr2 != GMTCands.end(); ++GMTItr2 ) {
            if(GMTItr2==GMTItr) continue;
            if(GMTItr2->empty()) continue;
            if(GMTItr2->isRPC()) {
              if(GMTItr->isFwd()) {
                dist_eta_csc_rpc->Fill( GMTItr->etaValue() - GMTItr2->etaValue() );
                dist_phi_csc_rpc->Fill( phiconv_(GMTItr->phiValue()) - phiconv_(GMTItr2->phiValue()) );
              } else {
                dist_eta_dt_rpc->Fill( GMTItr->etaValue() - GMTItr2->etaValue() );
                dist_phi_dt_rpc->Fill( phiconv_(GMTItr->phiValue()) - phiconv_(GMTItr2->phiValue()) );                
              }
            } else {
              if(!(GMTItr->isFwd()) && GMTItr2->isFwd()) {
                dist_eta_dt_csc->Fill( GMTItr->etaValue() - GMTItr2->etaValue() );
                dist_phi_dt_csc->Fill( phiconv_(GMTItr->phiValue()) - phiconv_(GMTItr2->phiValue()) );
              } else if(GMTItr->isFwd() && !(GMTItr2->isFwd())){
                dist_eta_dt_csc->Fill( GMTItr2->etaValue() - GMTItr->etaValue() );
                dist_phi_dt_csc->Fill( phiconv_(GMTItr->phiValue()) - phiconv_(GMTItr2->phiValue()) );                
              }
            }
          }     
        }
        
      }
      
    }
    
    n_rpcb_vs_dttf ->Fill(float(nSUBS[DTTF]),float(nSUBS[RPCb]));
    n_rpcf_vs_csctf->Fill(float(nSUBS[CSCTF]),float(nSUBS[RPCf]));
    n_csctf_vs_dttf->Fill(float(nSUBS[DTTF]),float(nSUBS[CSCTF]));
    
    regional_triggers->Fill(-1.); // fill underflow for normalization
    if(nSUBS[GMT]) regional_triggers->Fill(0.); // fill all muon bin
    int ioff=1;
    for(int i=0; i<4; i++) {
      if(nSUBS[i]) regional_triggers->Fill(float(5*i+nSUBS[i]+ioff));
    }
    if(nSUBS[DTTF] && (nSUBS[RPCb] || nSUBS[RPCf])) regional_triggers->Fill(22.);
    if(nSUBS[DTTF] && nSUBS[CSCTF]) regional_triggers->Fill(23.);
    if(nSUBS[CSCTF] && (nSUBS[RPCb] || nSUBS[RPCf])) regional_triggers->Fill(24.);
    if(nSUBS[DTTF] && nSUBS[CSCTF] && (nSUBS[RPCb] || nSUBS[RPCf])) regional_triggers->Fill(25.);
        
    // fill only if previous event corresponds to previous trigger
//    if( (Ev - evnum_old_) == 1 && bxnum_old_ > -1 ) {
    // assume getting all events in a sequence (usefull only from reco data)
      if( bxnum_old_ > -1 ) {
      int dBx = Bx - bxnum_old_ + 3564*(e.orbitNumber() - obnum_old_);
      for(int id = 0; id<4; id++) {
        if( trsrc_old_&(1<<id) ) {
          for(int i=0; i<4; i++) {
            if(nSUBS[i]) subs_dbx[i]->Fill(float(dBx),float(id));
          }
        }
      }
      
    }
    
    // save quantities for the next event
    bxnum_old_ = Bx;
    obnum_old_ = e.orbitNumber();
    trsrc_old_ = 0;
    for(int i=0; i<4; i++) {
      if(nSUBS[i])  trsrc_old_ |= (1<<i);
    }
  }
  
  if(bx1st[DTTF]<9  && bx1st[RPCb]<9)  bx_dt_rpc->Fill(bx1st[DTTF], bx1st[RPCb]);
  if(bx1st[CSCTF]<9 && bx1st[RPCf]<9) bx_csc_rpc->Fill(bx1st[CSCTF],bx1st[RPCf]);
  if(bx1st[DTTF]<9 && bx1st[CSCTF]<9)  bx_dt_csc->Fill(bx1st[DTTF], bx1st[CSCTF]);

}

double L1TGMT::phiconv_(float phi) {
  double phiout = double(phi);
  phiout *= piconv_;
  phiout += 0.001; // add a small value to get off the bin edge
  return phiout;
}

void L1TGMT::bookHistograms(DQMStore::IBooker &ibooker, edm::Run const&, edm::EventSetup const& c)
{

  std::string subs[5] = { "DTTF", "RPCb", "CSCTF", "RPCf", "GMT" };

  edm::ESHandle< L1MuTriggerScales > trigscales_h;
  c.get< L1MuTriggerScalesRcd >().get( trigscales_h );
  const L1MuTriggerScales* scales = trigscales_h.product();

  edm::ESHandle< L1MuTriggerPtScale > trigptscale_h;
  c.get< L1MuTriggerPtScaleRcd >().get( trigptscale_h );
  const L1MuTriggerPtScale* scalept = trigptscale_h.product();  

  ibooker.setCurrentFolder("L1T/L1TGMT");
    
  int nqty=8; double qtymin=-0.5; double qtymax=7.5;

  float phiscale[145];
  int nphiscale;
  {
    int nbins = scales->getPhiScale()->getNBins();
    if(nbins>144) nbins=144;
    for(int j=0; j<=nbins; j++) {
      phiscale[j] = piconv_ * scales->getPhiScale()->getValue(j);
    }
    nphiscale = nbins;
  }

  float qscale[9];
  {
    for(int j=0; j<9; j++) {
      qscale[j] = -0.5 + j;
    }
  } 
    
    // pt scale first bin reserved for empty muon
  float ptscale[32];
  int nptscale;
  {
    int nbins = scalept->getPtScale()->getNBins() - 1;
    if(nbins>31) nbins=31;
    for(int j=1; j<=nbins; j++) {
      ptscale[j-1] = scalept->getPtScale()->getValue(j);
    }
    ptscale[nbins]=ptscale[nbins-1]+10.; // make reasonable size last bin
    nptscale = nbins;
  }

  float etascale[5][66];
  int netascale[5];
  // DTTF eta scale
  {
    int nbins = scales->getRegionalEtaScale(DTTF)->getNBins();
    if(nbins>65) nbins = 65;
    for(int j=0; j<=nbins; j++) {
      etascale[DTTF][j] = scales->getRegionalEtaScale(DTTF)->getValue(j);
    }
    netascale[DTTF]=nbins;
  }
    // RPCb etascale
  {
    int nbins = scales->getRegionalEtaScale(RPCb)->getNBins();
    if(nbins>65) nbins = 65;
    for(int j=0; j<=nbins; j++) {
      etascale[RPCb][j] = scales->getRegionalEtaScale(RPCb)->getValue(j);
    }
    netascale[RPCb]=nbins;
  }
    // CSCTF etascale
    // special case - need to mirror 2*32 bins
  {
    int nbins = scales->getRegionalEtaScale(CSCTF)->getNBins();
    if(nbins>32) nbins = 32;
    
    int i=0;
    for(int j=nbins; j>=0; j--,i++) {
      etascale[CSCTF][i] = (-1) * scales->getRegionalEtaScale(CSCTF)->getValue(j);
    }
    for(int j=0; j<=nbins; j++,i++) {
      etascale[CSCTF][i] = scales->getRegionalEtaScale(CSCTF)->getValue(j);
    }
    netascale[CSCTF]=i-1;
  }
    // RPCf etascale
  {
    int nbins = scales->getRegionalEtaScale(RPCf)->getNBins();
    if(nbins>65) nbins = 65;
    for(int j=0; j<=nbins; j++) {
      etascale[RPCf][j] = scales->getRegionalEtaScale(RPCf)->getValue(j);
    }
    netascale[RPCf]=nbins;
  }
    // GMT etascale
  {
    int nbins = scales->getGMTEtaScale()->getNBins();
    if(nbins>32) nbins = 32;

    int i=0;
    for(int j=nbins; j>0; j--,i++) {
      etascale[GMT][i] = (-1) * scales->getGMTEtaScale()->getValue(j);
    }
    for(int j=0; j<=nbins; j++,i++) {
      etascale[GMT][i] = scales->getGMTEtaScale()->getValue(j);
    }
    netascale[GMT]=i-1;
  }
    
    
  std::string hname("");
  std::string htitle("");
    
  for(int i=0; i<5; i++) {
      
    hname = subs[i] + "_nbx"; htitle = subs[i] + " multiplicity in bx";
    subs_nbx[i] = ibooker.book2D(hname.data(),htitle.data(), 4, 1., 5., 5, -2.5, 2.5);
    subs_nbx[i]->setAxisTitle(subs[i] + " candidates",1);
    subs_nbx[i]->setAxisTitle("bx wrt L1A",2);
      
    hname = subs[i] + "_eta"; htitle = subs[i] + " eta value";
    subs_eta[i] = ibooker.book1D(hname.data(),htitle.data(), netascale[i], etascale[i]);
    subs_eta[i]->setAxisTitle("eta",1);
      
    hname = subs[i] + "_phi"; htitle = subs[i] + " phi value";
    subs_phi[i] = ibooker.book1D(hname.data(),htitle.data(), nphiscale, phiscale);
    subs_phi[i]->setAxisTitle("phi (deg)",1);
      
    hname = subs[i] + "_pt"; htitle = subs[i] + " pt value";
    subs_pt[i]  = ibooker.book1D(hname.data(),htitle.data(), nptscale, ptscale);
    subs_pt[i]->setAxisTitle("L1 pT (GeV)",1);
      
    hname = subs[i] + "_qty"; htitle = subs[i] + " qty value";
    subs_qty[i] = ibooker.book1D(hname.data(),htitle.data(), nqty, qtymin, qtymax);
    subs_qty[i]->setAxisTitle(subs[i] + " quality",1);
      
    hname = subs[i] + "_etaphi"; htitle = subs[i] + " phi vs eta";
    subs_etaphi[i] = ibooker.book2D(hname.data(),htitle.data(), netascale[i], etascale[i], nphiscale, phiscale);
    subs_etaphi[i]->setAxisTitle("eta",1);
    subs_etaphi[i]->setAxisTitle("phi (deg)",2);
      
    hname = subs[i] + "_etaqty"; htitle = subs[i] + " qty vs eta";
    subs_etaqty[i] = ibooker.book2D(hname.data(),htitle.data(), netascale[i], etascale[i], nqty, qscale);
    subs_etaqty[i]->setAxisTitle("eta",1);
    subs_etaqty[i]->setAxisTitle(subs[i] + " quality",2);
      
    hname = subs[i] + "_bits"; htitle = subs[i] + " bit population";
    subs_bits[i] = ibooker.book1D(hname.data(),htitle.data(), 32, -0.5, 31.5);
    subs_bits[i]->setAxisTitle("bit number",1);
  }
    
  regional_triggers = ibooker.book1D("Regional_trigger","Muon trigger contribution", 27, 0., 27.);
  regional_triggers->setAxisTitle("regional trigger",1);
  int ib=1;
  regional_triggers->setBinLabel(ib++,"All muons",1);
  ib++;
  regional_triggers->setBinLabel(ib++,"DT 1mu",1);
  regional_triggers->setBinLabel(ib++,"DT 2mu",1);
  regional_triggers->setBinLabel(ib++,"DT 3mu",1);
  regional_triggers->setBinLabel(ib++,"DT 4mu",1);
  ib++;
  regional_triggers->setBinLabel(ib++,"RPCb 1mu",1);
  regional_triggers->setBinLabel(ib++,"RPCb 2mu",1);
  regional_triggers->setBinLabel(ib++,"RPCb 3mu",1);
  regional_triggers->setBinLabel(ib++,"RPCb 4mu",1);
  ib++;
  regional_triggers->setBinLabel(ib++,"CSC 1mu",1);
  regional_triggers->setBinLabel(ib++,"CSC 2mu",1);
  regional_triggers->setBinLabel(ib++,"CSC 3mu",1);
  regional_triggers->setBinLabel(ib++,"CSC 4mu",1);
  ib++;
  regional_triggers->setBinLabel(ib++,"RPCf 1mu",1);
  regional_triggers->setBinLabel(ib++,"RPCf 2mu",1);
  regional_triggers->setBinLabel(ib++,"RPCf 3mu",1);
  regional_triggers->setBinLabel(ib++,"RPCf 4mu",1);
  ib++;
  regional_triggers->setBinLabel(ib++,"DT & RPC",1);
  regional_triggers->setBinLabel(ib++,"DT & CSC",1);
  regional_triggers->setBinLabel(ib++,"CSC & RPC",1);
  regional_triggers->setBinLabel(ib++,"DT & CSC & RPC",1);

    
  bx_number = ibooker.book1D("Bx_Number","Bx number ROP chip", 3564, 0., 3564.);
  bx_number->setAxisTitle("bx number",1);
    
  dbx_chip = ibooker.bookProfile("dbx_Chip","bx count difference wrt ROP chip", 5, 0., 5.,100,-4000.,4000.,"i");
  dbx_chip->setAxisTitle("chip name",1);
  dbx_chip->setAxisTitle("delta bx",2);
  dbx_chip->setBinLabel(1,"IND",1);
  dbx_chip->setBinLabel(2,"INB",1);
  dbx_chip->setBinLabel(3,"INC",1);
  dbx_chip->setBinLabel(4,"INF",1);
  dbx_chip->setBinLabel(5,"SRT",1);
    
  eta_dtcsc_and_rpc = ibooker.book1D("eta_DTCSC_and_RPC","eta of confirmed GMT candidates", netascale[GMT], etascale[GMT]);
  eta_dtcsc_and_rpc->setAxisTitle("eta",1);
    
  eta_dtcsc_only = ibooker.book1D("eta_DTCSC_only","eta of unconfirmed DT/CSC candidates", netascale[GMT], etascale[GMT]);
  eta_dtcsc_only->setAxisTitle("eta",1);
    
  eta_rpc_only = ibooker.book1D("eta_RPC_only","eta of unconfirmed RPC candidates", netascale[GMT], etascale[GMT]);
  eta_rpc_only->setAxisTitle("eta",1);
    
  phi_dtcsc_and_rpc = ibooker.book1D("phi_DTCSC_and_RPC","phi of confirmed GMT candidates",nphiscale, phiscale);
  phi_dtcsc_and_rpc->setAxisTitle("phi (deg)",1);
    
  phi_dtcsc_only = ibooker.book1D("phi_DTCSC_only","phi of unconfirmed DT/CSC candidates", nphiscale, phiscale);
  phi_dtcsc_only->setAxisTitle("phi (deg)",1);
    
  phi_rpc_only = ibooker.book1D("phi_RPC_only","phi of unconfirmed RPC candidates", nphiscale, phiscale);
  phi_rpc_only->setAxisTitle("phi (deg)",1);
    
  etaphi_dtcsc_and_rpc = ibooker.book2D("etaphi_DTCSC_and_RPC","eta vs phi map of confirmed GMT candidates", netascale[GMT], etascale[GMT], nphiscale, phiscale);
  etaphi_dtcsc_and_rpc->setAxisTitle("eta",1);
  etaphi_dtcsc_and_rpc->setAxisTitle("phi (deg)",2);
    
  etaphi_dtcsc_only = ibooker.book2D("etaphi_DTCSC_only","eta vs phi map of unconfirmed DT/CSC candidates", netascale[GMT], etascale[GMT], nphiscale, phiscale);
  etaphi_dtcsc_only->setAxisTitle("eta",1);
  etaphi_dtcsc_only->setAxisTitle("phi (deg)",2);
    
  etaphi_rpc_only = ibooker.book2D("etaphi_RPC_only","eta vs phi map of unconfirmed RPC candidates", netascale[GMT], etascale[GMT], nphiscale, phiscale);
  etaphi_rpc_only->setAxisTitle("eta",1);
  etaphi_rpc_only->setAxisTitle("phi (deg)",2);
    
    
  dist_phi_dt_rpc = ibooker.book1D("dist_phi_DT_RPC","Dphi between DT and RPC candidates", 100, -125., 125.);
  dist_phi_dt_rpc->setAxisTitle("delta phi (deg)",1);

  dist_phi_csc_rpc = ibooker.book1D("dist_phi_CSC_RPC","Dphi between CSC and RPC candidates", 100, -125., 125.);
  dist_phi_csc_rpc->setAxisTitle("delta phi (deg)",1);

  dist_phi_dt_csc = ibooker.book1D("dist_phi_DT_CSC","Dphi between DT and CSC candidates", 100, -125., 125.);
  dist_phi_dt_csc->setAxisTitle("delta phi (deg)",1);
       

  dist_eta_dt_rpc = ibooker.book1D("dist_eta_DT_RPC","Deta between DT and RPC candidates", 40, -1., 1.);
  dist_eta_dt_rpc->setAxisTitle("delta eta",1);

  dist_eta_csc_rpc = ibooker.book1D("dist_eta_CSC_RPC","Deta between CSC and RPC candidates", 40, -1., 1.);
  dist_eta_csc_rpc->setAxisTitle("delta eta",1);

  dist_eta_dt_csc = ibooker.book1D("dist_eta_DT_CSC","Deta between DT and CSC candidates", 40, -1., 1.);
  dist_eta_dt_csc->setAxisTitle("delta eta",1);

       
  n_rpcb_vs_dttf  = ibooker.book2D("n_RPCb_vs_DTTF",  "n cands RPCb vs DTTF",  5, -0.5, 4.5, 5, -0.5, 4.5);
  n_rpcb_vs_dttf->setAxisTitle("DTTF candidates",1);
  n_rpcb_vs_dttf->setAxisTitle("barrel RPC candidates",2);
    
  n_rpcf_vs_csctf = ibooker.book2D("n_RPCf_vs_CSCTF", "n cands RPCf vs CSCTF", 5, -0.5, 4.5, 5, -0.5, 4.5);
  n_rpcf_vs_csctf->setAxisTitle("CSCTF candidates",1);
  n_rpcf_vs_csctf->setAxisTitle("endcap RPC candidates",2);
    
  n_csctf_vs_dttf = ibooker.book2D("n_CSCTF_vs_DTTF", "n cands CSCTF vs DTTF", 5, -0.5, 4.5, 5, -0.5, 4.5);
  n_csctf_vs_dttf->setAxisTitle("DTTF candidates",1);
  n_csctf_vs_dttf->setAxisTitle("CSCTF candidates",2);
    
  bx_dt_rpc  = ibooker.book2D("bx_DT_vs_RPC",  "1st bx DT vs. RPC",  5, -2.5, 2.5, 5, -2.5, 2.5);
  bx_dt_rpc->setAxisTitle("bx of 1st DTTF candidate",1);
  bx_dt_rpc->setAxisTitle("bx of 1st RPCb candidate",2);
    
  bx_csc_rpc  = ibooker.book2D("bx_CSC_vs_RPC",  "1st bx CSC vs. RPC",  5, -2.5, 2.5, 5, -2.5, 2.5);
  bx_csc_rpc->setAxisTitle("bx of 1st CSCTF candidate",1);
  bx_csc_rpc->setAxisTitle("bx of 1st RPCf candidate",2);
    
  bx_dt_csc  = ibooker.book2D("bx_DT_vs_CSC",  "1st bx DT vs. CSC",  5, -2.5, 2.5, 5, -2.5, 2.5);
  bx_dt_csc->setAxisTitle("bx of 1st DTTF candidate",1);
  bx_dt_csc->setAxisTitle("bx of 1st CSCTF candidate",2);
    
    
  for(int i=0; i<4; i++) {
    hname = subs[i] + "_dbx"; htitle = "dBx " + subs[i] + " to previous event";
    subs_dbx[i] = ibooker.book2D(hname.data(),htitle.data(), 1000, 0., 1000., 4, 0., 4.);
    for(int j=0; j<4; j++) {
      subs_dbx[i]->setBinLabel((j+1),subs[j],2);
    }
  }        
}