CSCEfficiency.cc

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/*
 *  Routine to calculate CSC efficiencies 
 *  Comments about the program logic are denoted by //----
 * 
 *  Stoyan Stoynev, Northwestern University.
 */ 
  
#include "RecoLocalMuon/CSCEfficiency/src/CSCEfficiency.h"

#include "TrackingTools/Records/interface/TrackingComponentsRecord.h"
#include "TrackPropagation/SteppingHelixPropagator/interface/SteppingHelixPropagator.h"
#include "FWCore/Common/interface/TriggerNames.h"
#include "DataFormats/MuonReco/interface/Muon.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h"
#include "DataFormats/MuonReco/interface/MuonSelectors.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
using namespace std;
using namespace edm;

//---- The Analysis  (main)
bool CSCEfficiency::filter(Event & event, const EventSetup& eventSetup){
  passTheEvent = false;
  DataFlow->Fill(0.);  
  MuonPatternRecoDumper debug;
 
  //---- increment counter
  nEventsAnalyzed++;
  // printalot debug output
  printalot = (nEventsAnalyzed < int(printout_NEvents)); // 
  int iRun   = event.id().run();
  int iEvent = event.id().event();
  if(0==fmod(double (nEventsAnalyzed) ,double(1000) )){
    if(printalot){
      printf("\n==enter==CSCEfficiency===== run %i\tevent %i\tn Analyzed %i\n",iRun,iEvent,nEventsAnalyzed);
    }
  }
  theService->update(eventSetup);  
  //---- These declarations create handles to the types of records that you want
  //---- to retrieve from event "e".
  if (printalot) printf("\tget handles for digi collections\n");
  
  //---- Pass the handle to the method "getByType", which is used to retrieve
  //---- one and only one instance of the type in question out of event "e". If
  //---- zero or more than one instance exists in the event an exception is thrown.
  if (printalot) printf("\tpass handles\n");
  edm::Handle<CSCALCTDigiCollection> alcts;
  edm::Handle<CSCCLCTDigiCollection> clcts;
  edm::Handle<CSCCorrelatedLCTDigiCollection> correlatedlcts;
  edm::Handle<CSCWireDigiCollection> wires;
  edm::Handle<CSCStripDigiCollection> strips;
  edm::Handle<CSCRecHit2DCollection> rechits; 
  edm::Handle<CSCSegmentCollection> segments;
  //edm::Handle<reco::TrackCollection> saMuons;
  edm::Handle<edm::View<reco::Track> > trackCollectionH;
  edm::Handle<edm::PSimHitContainer> simhits;

  if(useDigis){
    event.getByLabel(alctDigiTag_, alcts);
    event.getByLabel(clctDigiTag_, clcts);
    event.getByLabel(corrlctDigiTag_, correlatedlcts);

    event.getByLabel( stripDigiTag_, strips);
    event.getByLabel( wireDigiTag_,  wires);
  }
  if(!isData){
    event.getByLabel(simHitTag, simhits);
  }
  event.getByLabel(rechitDigiTag_,rechits); 
  event.getByLabel(segmentDigiTag_, segments);
  //event.getByLabel(saMuonTag,saMuons);
  event.getByLabel(tracksTag,trackCollectionH);
  const edm::View<reco::Track>  trackCollection = *(trackCollectionH.product());

  //---- Get the CSC Geometry :
  if (printalot) printf("\tget the CSC geometry.\n");
  edm::ESHandle<CSCGeometry> cscGeom;
  eventSetup.get<MuonGeometryRecord>().get(cscGeom);

  // use theTrackingGeometry instead of cscGeom?
  ESHandle<GlobalTrackingGeometry> theTrackingGeometry;
  eventSetup.get<GlobalTrackingGeometryRecord>().get(theTrackingGeometry);

  bool triggerPassed = true;
  if(useTrigger){
    // access the trigger information
    // trigger names can be find in HLTrigger/Configuration/python/HLT_2E30_cff.py (or?)
   // get hold of TriggerResults
    edm::Handle<edm::TriggerResults> hltR;
    event.getByLabel(hlTriggerResults_,hltR);
    const edm::TriggerNames & triggerNames = event.triggerNames(*hltR);
    triggerPassed = applyTrigger(hltR, triggerNames);
  }
  if(!triggerPassed){
    return triggerPassed;
  }
  DataFlow->Fill(1.);   
  GlobalPoint gpZero(0.,0.,0.);
  if(theService->magneticField()->inTesla(gpZero).mag2()<0.1){ 
    magField = false;
  }
  else{
    magField = true;
  }

  //---- store info from digis
  fillDigiInfo(alcts, clcts, correlatedlcts, wires, strips, simhits, rechits, segments, cscGeom);
  //
  Handle<reco::MuonCollection> muons;
  edm::InputTag muonTag_("muons");
  event.getByLabel(muonTag_,muons);

  edm::Handle<reco::BeamSpot> beamSpotHandle;
  event.getByLabel("offlineBeamSpot", beamSpotHandle);
  reco::BeamSpot vertexBeamSpot = *beamSpotHandle;
  //
  std::vector <reco::MuonCollection::const_iterator> goodMuons_it;
  unsigned int nPositiveZ = 0;
  unsigned int nNegativeZ = 0;
  float muonOuterZPosition = -99999.;
  if(isIPdata){
    if (printalot)std::cout<<" muons.size() = "<<muons->size() <<std::endl;
    for ( reco::MuonCollection::const_iterator muon = muons->begin(); muon != muons->end(); ++muon ) {
      DataFlow->Fill(31.);  
      if (printalot) {
        std::cout<<"  iMuon = "<<muon-muons->begin()<<" charge = "<<muon->charge()<<" p = "<<muon->p()<<" pt = "<<muon->pt()<<
          " eta = "<<muon->eta()<<" phi = "<<muon->phi()<<
          " matches = "<<
          muon->matches().size()<<" matched Seg = "<<muon->numberOfMatches(reco::Muon::SegmentAndTrackArbitration)<<" GLB/TR/STA = "<<
          muon->isGlobalMuon()<<"/"<<muon->isTrackerMuon()<<"/"<<muon->isStandAloneMuon()<<std::endl;
      }
      if(!(muon->isTrackerMuon() && muon->isGlobalMuon())){
    continue;
      }
      DataFlow->Fill(32.);
      double relISO = ( muon->isolationR03().sumPt +
                        muon->isolationR03().emEt +
                        muon->isolationR03().hadEt)/muon->track()->pt();
      if (printalot) {
        std::cout<<" relISO = "<<relISO<<" emVetoEt = "<<muon->isolationR03().emVetoEt<<" caloComp = "<<
          muon::caloCompatibility(*(muon))<<" dxy = "<<fabs(muon->track()->dxy(vertexBeamSpot.position()))<<std::endl;
      }
      if(
     //relISO>0.1 || muon::caloCompatibility(*(muon))<.90 ||
         fabs(muon->track()->dxy(vertexBeamSpot.position()))>0.2 || muon->pt()<6.){
        continue;
      }
      DataFlow->Fill(33.);
      if(muon->track()->hitPattern().numberOfValidPixelHits()<1 ||
     muon->track()->hitPattern().numberOfValidTrackerHits()<11 ||
     muon->combinedMuon()->hitPattern().numberOfValidMuonHits()<1 ||
     muon->combinedMuon()->normalizedChi2()>10. ||
     muon->numberOfMatches()<2){
    continue;
      }
      DataFlow->Fill(34.);
      float zOuter = muon->combinedMuon()->outerPosition().z();
      float rhoOuter = muon->combinedMuon()->outerPosition().rho();
      bool passDepth = true;
      // barrel region 
      //if ( fabs(zOuter) < 660. && rhoOuter > 400. && rhoOuter < 480.){
      if ( fabs(zOuter) < 660. && rhoOuter > 400. && rhoOuter < 540.){ 
    passDepth = false;
      }
      // endcap region
      //else if( fabs(zOuter) > 550. && fabs(zOuter) < 650. && rhoOuter < 300.){
      else if( fabs(zOuter) > 550. && fabs(zOuter) < 650. && rhoOuter < 300.){
    passDepth = false;
      }
      // overlap region
      //else if ( fabs(zOuter) > 680. && fabs(zOuter) < 730. && rhoOuter < 480.){
      else if ( fabs(zOuter) > 680. && fabs(zOuter) < 880. && rhoOuter < 540.){
    passDepth = false;
      }
      if(!passDepth){
    continue;
      }
      DataFlow->Fill(35.);
      goodMuons_it.push_back(muon);
      if(muon->track()->momentum().z()>0.){
    ++nPositiveZ;
      }
      if(muon->track()->momentum().z()<0.){
    ++nNegativeZ;
      }
    }
  }

  //


  if (printalot) std::cout<<"Start track loop over "<<trackCollection.size()<<" tracks"<<std::endl;
  for(edm::View<reco::Track>::size_type i=0; i<trackCollection.size(); ++i) {
    DataFlow->Fill(2.);
    edm::RefToBase<reco::Track> track(trackCollectionH, i);
    //std::cout<<" iTR = "<<i<<" eta = "<<track->eta()<<" phi = "<<track->phi()<<std::cout<<" pt = "<<track->pt()<<std::endl;
    if(isIPdata){
      if (printalot){
    std::cout<<" nNegativeZ = "<<nNegativeZ<<" nPositiveZ = "<<nPositiveZ<<std::endl;
      }
      if(nNegativeZ>1 || nPositiveZ>1){
        break;
      }
      bool trackOK = false;
      if (printalot){
    std::cout<<" goodMuons_it.size() = "<<goodMuons_it.size()<<std::endl;
      }
      for(size_t iM=0;iM<goodMuons_it.size();++iM){
    //std::cout<<" iM = "<<iM<<" eta = "<<goodMuons_it[iM]->track()->eta()<<
    //" phi = "<<goodMuons_it[iM]->track()->phi()<<
    //" pt = "<<goodMuons_it[iM]->track()->pt()<<std::endl;
        float deltaR = pow(track->phi()-goodMuons_it[iM]->track()->phi(),2) +
          pow(track->eta()-goodMuons_it[iM]->track()->eta(),2);
        deltaR = sqrt(deltaR);
        if (printalot){
          std::cout<<" TR mu match to a tr: deltaR = "<<deltaR<<" dPt = "<<
        track->pt()-goodMuons_it[iM]->track()->pt()<<std::endl;
        }
        if(deltaR>0.01 || fabs(track->pt()-goodMuons_it[iM]->track()->pt())>0.1 ){
          continue;
        }
        else{
          trackOK = true;
      if (printalot){
        std::cout<<" trackOK "<<std::endl;
      }
      muonOuterZPosition = goodMuons_it[iM]->combinedMuon()->outerPosition().z();
          break;
          //++nChosenTracks;
        }
      }
      if(!trackOK){
    if (printalot){
      std::cout<<" failed: trackOK "<<std::endl;
    }
        continue;
      }
    }
    else{
      //---- Do we need a better "clean track" definition?
      if(trackCollection.size()>2){
    break;
      }
      DataFlow->Fill(3.);
      if(!i && 2==trackCollection.size()){
    edm::View<reco::Track>::size_type tType = 1;
    edm::RefToBase<reco::Track> trackTwo(trackCollectionH, tType);
    if(track->outerPosition().z()*trackTwo->outerPosition().z()>0){// in one and the same "endcap"
      break;
    }
      }
    }
    DataFlow->Fill(4.);
    if (printalot){
      std::cout<<"i track = "<<i<<" P = "<<track->p()<<" chi2/ndf = "<<track->normalizedChi2()<<" nSeg = "<<segments->size()<<std::endl;
      std::cout<<"quality undef/loose/tight/high/confirmed/goodIt/size "<<
    track->quality(reco::Track::undefQuality)<<"/"<<
    track->quality(reco::Track::loose)<<"/"<<
    track->quality(reco::Track::tight)<<"/"<<
    track->quality(reco::Track::highPurity)<<"/"<<
    track->quality(reco::Track::confirmed)<<"/"<<
    track->quality(reco::Track::goodIterative)<<"/"<<
    track->quality(reco::Track::qualitySize)<<
    std::endl;
      std::cout<<" pt = "<< track->pt()<<" +-"<<track->ptError()<<" q/pt = "<<track->qoverp()<<" +- "<<track->qoverpError()<<std::endl;
      //std::cout<<" const Pmin = "<<minTrackMomentum<<" pMax = "<<maxTrackMomentum<<" maxNormChi2 = "<<maxNormChi2<<std::endl;
      std::cout<<" track inner position = "<<track->innerPosition()<<" outer position = "<<track->outerPosition()<<std::endl;
      std::cout<<"track eta (outer) = "<<track->outerPosition().eta()<<" phi (outer) = "<<
    track->outerPosition().phi()<<std::endl;
      if(fabs(track->innerPosition().z())>500.){      
    DetId innerDetId(track->innerDetId());
    std::cout<<" dump inner state MUON detid  = "<<debug.dumpMuonId(innerDetId)<<std::endl;
      }
      if(fabs(track->outerPosition().z())>500.){
        DetId outerDetId(track->outerDetId());
    std::cout<<" dump outer state MUON detid  = "<<debug.dumpMuonId(outerDetId)<<std::endl;
      }

      std::cout<<" nHits = "<<track->found()<<std::endl;
      /*
      trackingRecHit_iterator rhbegin = track->recHitsBegin();
      trackingRecHit_iterator rhend = track->recHitsEnd();
      int iRH = 0;
      for(trackingRecHit_iterator recHit = rhbegin; recHit != rhend; ++recHit){
        const GeomDet* geomDet = theTrackingGeometry->idToDet((*recHit)->geographicalId());
    std::cout<<"hit "<<iRH<<" loc pos = " <<(*recHit)->localPosition()<<
      " glob pos = " <<geomDet->toGlobal((*recHit)->localPosition())<<std::endl;
        ++iRH;
      }
      */
    }
    float dpT_ov_pT = 0.;
    if(fabs(track->pt())>0.001){
      dpT_ov_pT =  track->ptError()/ track->pt();
    }
    //---- These define a "good" track
    if(track->normalizedChi2()>maxNormChi2){// quality
      break;
    }
    DataFlow->Fill(5.);
    if(track->found()<minTrackHits){// enough data points
      break;
    }
    DataFlow->Fill(6.);
    if(!segments->size()){// better have something in the CSC 
      break;
    }
    DataFlow->Fill(7.);
    if(magField && (track->p()<minP || track->p()>maxP)){// proper energy range 
      break;
    }
    DataFlow->Fill(8.);
    if(magField && (dpT_ov_pT >0.5) ){// not too crazy uncertainty
      break;
    }
    DataFlow->Fill(9.);

    passTheEvent = true; 
    if (printalot) std::cout<<"good Track"<<std::endl;
    CLHEP::Hep3Vector r3T_inner(track->innerPosition().x(),track->innerPosition().y(),track->innerPosition().z());
    CLHEP::Hep3Vector r3T(track->outerPosition().x(),track->outerPosition().y(),track->outerPosition().z());
    chooseDirection(r3T_inner, r3T);// for non-IP

    CLHEP::Hep3Vector p3T(track->outerMomentum().x(),track->outerMomentum().y(),track->outerMomentum().z());
    CLHEP::Hep3Vector p3_propagated, r3_propagated;
    AlgebraicSymMatrix66 cov_propagated, covT;
    covT *= 1e-20;
    cov_propagated *= 1e-20;
    int charge = track->charge(); 
    FreeTrajectoryState ftsStart = getFromCLHEP(p3T, r3T, charge, covT, &*(theService->magneticField()));
    if (printalot){
      std::cout<<" p = "<<track->p()<<" norm chi2 = "<<track->normalizedChi2()<<std::endl;
      std::cout<<" dump the very first FTS  = "<<debug.dumpFTS(ftsStart)<<std::endl;
    }
    TrajectoryStateOnSurface tSOSDest;
    int endcap = 0;
    //---- which endcap to look at
    if(track->outerPosition().z()>0){
      endcap = 1;
    }
    else{
      endcap = 2;
    }
    int chamber = 1;
    //---- a "refference" CSCDetId for each ring
    std::vector< CSCDetId > refME;
    for(int iS=1;iS<5;++iS){
      for(int iR=1;iR<4;++iR){
    if(1!=iS && iR>2){
      continue;
    }
    else if(4==iS && iR>1){
      continue;
    } 
    refME.push_back( CSCDetId(endcap, iS, iR, chamber));
      }
    }
    //---- loop over the "refference" CSCDetIds
    for(size_t iSt = 0; iSt<refME.size();++iSt){
      if (printalot){
    std::cout<<"loop iStatation = "<<iSt<<std::endl;
    std::cout<<"refME[iSt]: st = "<<refME[iSt].station()<<" rg = "<<refME[iSt].ring()<<std::endl;
      }
      std::map <std::string, bool> chamberTypes;
      chamberTypes["ME11"] = false;
      chamberTypes["ME12"] = false;
      chamberTypes["ME13"] = false;
      chamberTypes["ME21"] = false;
      chamberTypes["ME22"] = false;
      chamberTypes["ME31"] = false;
      chamberTypes["ME32"] = false;
      chamberTypes["ME41"] = false;
      const CSCChamber* cscChamber_base = cscGeom->chamber(refME[iSt].chamberId());
      DetId detId = cscChamber_base->geographicalId();
      if (printalot){
    std::cout<<" base iStation : eta = "<<cscGeom->idToDet(detId)->surface().position().eta()<<" phi = "<<
      cscGeom->idToDet(detId)->surface().position().phi() << " y = " <<cscGeom->idToDet(detId)->surface().position().y()<<std::endl;
    std::cout<<" dump base iStation detid  = "<<debug.dumpMuonId(detId)<<std::endl;
    std::cout<<" dump FTS start  = "<<debug.dumpFTS(ftsStart)<<std::endl;
      }
      //---- propagate to this ME
      tSOSDest = propagate(ftsStart, cscGeom->idToDet(detId)->surface());
      if(tSOSDest.isValid()){
    ftsStart = *tSOSDest.freeState();
    if (printalot) std::cout<<"  dump FTS end   = "<<debug.dumpFTS(ftsStart)<<std::endl;
    getFromFTS(ftsStart, p3_propagated, r3_propagated, charge, cov_propagated);
    float feta =  fabs(r3_propagated.eta());
    float phi =  r3_propagated.phi();
    //---- which rings are (possibly) penetrated
    ringCandidates(refME[iSt].station(), feta, chamberTypes);

    map<std::string,bool>::iterator iter;   
    int iterations = 0;
    //---- loop over ring candidates 
    for( iter = chamberTypes.begin(); iter != chamberTypes.end(); iter++ ) {
      ++iterations;
      //---- is this ME a machinig candidate station 
      if(iter->second && (iterations-1)==int(iSt)){
        if (printalot){
          std::cout<<" Chamber type "<< iter->first<<" is a candidate..."<<std::endl;
          std::cout<<" station() = "<< refME[iSt].station()<<" ring() = "<<refME[iSt].ring()<<" iSt = "<<iSt<<std::endl;
        }
        std::vector <int> coupleOfChambers;
        //---- which chamber (and its closes neighbor) is penetrated by the track - candidates
        chamberCandidates(refME[iSt].station(), refME[iSt].ring(), phi, coupleOfChambers);
        //---- loop over the two chamber candidates
        for(size_t iCh =0;iCh<coupleOfChambers.size();++iCh){
          DataFlow->Fill(11.);  
          if (printalot) std::cout<<" Check chamber N = "<<coupleOfChambers.at(iCh)<<std::endl;;
          if((!getAbsoluteEfficiency) && (true == emptyChambers
                          [refME[iSt].endcap()-1]
                          [refME[iSt].station()-1]
                          [refME[iSt].ring()-1]
                          [coupleOfChambers.at(iCh)-FirstCh])){
        continue;
          }
          CSCDetId theCSCId(refME[iSt].endcap(), refME[iSt].station(), refME[iSt].ring(), coupleOfChambers.at(iCh));
          const CSCChamber* cscChamber = cscGeom->chamber(theCSCId.chamberId());
          const BoundPlane bpCh = cscGeom->idToDet(cscChamber->geographicalId())->surface();
          float zFTS = ftsStart.position().z();
          float dz = fabs(bpCh.position().z() - zFTS);
          float zDistInner = track->innerPosition().z() - bpCh.position().z();
          float zDistOuter = track->outerPosition().z() - bpCh.position().z();
          //---- only detectors between the inner and outer points of the track are considered for non IP-data
          if(printalot){
        std::cout<<" zIn = "<<track->innerPosition().z()<<" zOut = "<<track->outerPosition().z()<<" zSurf = "<<bpCh.position().z()<<std::endl;
          }
          if(!isIPdata && (zDistInner*zDistOuter>0. || fabs(zDistInner)<15. || fabs(zDistOuter)<15.)){ // for non IP-data
        if(printalot){
          std::cout<<" Not an intermediate (as defined) point... Skip."<<std::endl;
        }
        continue;
          }
          if(isIPdata && fabs(track->eta())<1.8){
        if(fabs(muonOuterZPosition) - fabs(bpCh.position().z())<0 || 
           fabs(muonOuterZPosition-bpCh.position().z())<15.){
          continue;
        }
          }
              DataFlow->Fill(13.);
          //---- propagate to the chamber (from this ME) if it is a different surface (odd/even chambers)
          if(dz>0.1){// i.e. non-zero (float 0 check is bad) 
        //if(fabs(zChanmber - zFTS ) > 0.1){
        tSOSDest = propagate(ftsStart, cscGeom->idToDet(cscChamber->geographicalId())->surface());           
        if(tSOSDest.isValid()){
          ftsStart = *tSOSDest.freeState();
        }
        else{
          if(printalot) std::cout<<"TSOS not valid! Break."<<std::endl;
          break;
        }
          }
              else{
                if(printalot) std::cout<<" info: dz<0.1"<<std::endl;
              }
          DataFlow->Fill(15.);  
          FreeTrajectoryState ftsInit = ftsStart;
          bool inDeadZone = false;
          //---- loop over the 6 layers
          for(int iLayer = 0;iLayer<6;++iLayer){
        bool extrapolationPassed = true;
        if (printalot){
          std::cout<<" iLayer = "<<iLayer<<"   dump FTS init  = "<<debug.dumpFTS(ftsInit)<<std::endl;
          std::cout<<" dump detid  = "<<debug.dumpMuonId(cscChamber->geographicalId())<<std::endl;
          std::cout<<"Surface to propagate to:  pos = "<<cscChamber->layer(iLayer+1)->surface().position()<<" eta = "
               <<cscChamber->layer(iLayer+1)->surface().position().eta()<<" phi = "
               <<cscChamber->layer(iLayer+1)->surface().position().phi()<<std::endl;
        }
        //---- propagate to this layer
        tSOSDest = propagate(ftsInit, cscChamber->layer(iLayer+1)->surface());
        if(tSOSDest.isValid()){
          ftsInit = *tSOSDest.freeState();
          if (printalot) std::cout<<" Propagation between layers successful:  dump FTS end  = "<<debug.dumpFTS(ftsInit)<<std::endl;
          getFromFTS(ftsInit, p3_propagated, r3_propagated, charge, cov_propagated);
        }
        else{
          if (printalot) std::cout<<"Propagation between layers not successful - notValid TSOS"<<std::endl;
          extrapolationPassed = false;
          inDeadZone = true;
        }
        //}
        //---- Extrapolation passed? For each layer?
        if(extrapolationPassed){
          GlobalPoint theExtrapolationPoint(r3_propagated.x(),r3_propagated.y(),r3_propagated.z());
          LocalPoint theLocalPoint = cscChamber->layer(iLayer+1)->toLocal(theExtrapolationPoint);
          //std::cout<<" Candidate chamber: extrapolated LocalPoint = "<<theLocalPoint<<std::endl;
          inDeadZone = ( inDeadZone ||
                 !inSensitiveLocalRegion(theLocalPoint.x(), theLocalPoint.y(), 
                             refME[iSt].station(), refME[iSt].ring()));
          if (printalot){
                    std::cout<<" Candidate chamber: extrapolated LocalPoint = "<<theLocalPoint<<"inDeadZone = "<<inDeadZone<<std::endl;
                  }
          //---- break if in dead zone for any layer ("clean" tracks)
          if(inDeadZone){
            break;
          }
        }
        else{
          break;
        }
          }
          DataFlow->Fill(17.);
          //---- Is a track in a sensitive area for each layer?  
          if(!inDeadZone){//---- for any layer
        DataFlow->Fill(19.);  
        if (printalot) std::cout<<"Do efficiencies..."<<std::endl;
        //---- Do efficiencies
        // angle cuts applied (if configured)
        bool angle_flag = true; angle_flag = efficienciesPerChamber(theCSCId, cscChamber, ftsStart);  
        if(useDigis && angle_flag){
          stripWire_Efficiencies(theCSCId, ftsStart);
        }
                if(angle_flag){
          recHitSegment_Efficiencies(theCSCId, cscChamber, ftsStart);
          if(!isData){
            recSimHitEfficiency(theCSCId, ftsStart);
          }
        }
          }
              else{
                if(printalot) std::cout<<" Not in active area for all layers"<<std::endl;
          }
        }
        if(tSOSDest.isValid()){
          ftsStart = *tSOSDest.freeState();
        }
      }
    }
      }
      else{
        if (printalot) std::cout<<" TSOS not valid..."<<std::endl;
      }
    }
  }
  //---- End
  if (printalot) printf("==exit===CSCEfficiency===== run %i\tevent %i\n\n",iRun,iEvent);
  return passTheEvent;
}

//
bool CSCEfficiency::inSensitiveLocalRegion(double xLocal, double yLocal, int station, int ring){
  //---- Good region means sensitive area of a chamber. "Local" stands for the local system 
  bool pass = false;
  std::vector <double> chamberBounds(3);// the sensitive area
  float y_center = 99999.;
  //---- hardcoded... not good
  if(station>1 && station<5){
    if(2==ring){
      chamberBounds[0] = 66.46/2; // (+-)x1 shorter
      chamberBounds[1] = 127.15/2; // (+-)x2 longer 
      chamberBounds[2] = 323.06/2;
      y_center = -0.95;
    }
    else{
      if(2==station){
    chamberBounds[0] = 54.00/2; // (+-)x1 shorter
    chamberBounds[1] = 125.71/2; // (+-)x2 longer 
    chamberBounds[2] = 189.66/2;
    y_center = -0.955;
      }
      else if(3==station){
    chamberBounds[0] = 61.40/2; // (+-)x1 shorter
    chamberBounds[1] = 125.71/2; // (+-)x2 longer 
    chamberBounds[2] = 169.70/2;
    y_center = -0.97;
      }
      else if(4==station){
    chamberBounds[0] = 69.01/2; // (+-)x1 shorter
    chamberBounds[1] = 125.65/2; // (+-)x2 longer 
    chamberBounds[2] = 149.42/2;
    y_center = -0.94;
      }
    }
  }
  else if(1==station){
    if(3==ring){
      chamberBounds[0] = 63.40/2; // (+-)x1 shorter
      chamberBounds[1] = 92.10/2; // (+-)x2 longer 
      chamberBounds[2] = 164.16/2;
      y_center = -1.075;
    }
    else if(2==ring){
      chamberBounds[0] = 51.00/2; // (+-)x1 shorter
      chamberBounds[1] = 83.74/2; // (+-)x2 longer 
      chamberBounds[2] = 174.49/2;
      y_center = -0.96;
    }
    else{// to be investigated
      chamberBounds[0] = 30./2;//40./2; // (+-)x1 shorter
      chamberBounds[1] = 60./2;//100./2; // (+-)x2 longer 
      chamberBounds[2] = 160./2;//142./2;
      y_center = 0.;
    }
  }
  double yUp = chamberBounds[2] + y_center;
  double yDown = - chamberBounds[2] + y_center;
  double xBound1Shifted = chamberBounds[0]-distanceFromDeadZone;//
  double xBound2Shifted = chamberBounds[1]-distanceFromDeadZone;//
  double lineSlope = (yUp - yDown)/(xBound2Shifted-xBound1Shifted);
  double lineConst = yUp - lineSlope*xBound2Shifted;
  double yBoundary =  lineSlope*abs(xLocal) + lineConst;
  pass = checkLocal(yLocal, yBoundary, station, ring);
  return pass;
}

bool CSCEfficiency::checkLocal(double yLocal, double yBoundary, int station, int ring){
//---- check if it is in a good local region (sensitive area - geometrical and HV boundaries excluded) 
  bool pass = false;
  std::vector <float> deadZoneCenter(6);
  const float deadZoneHalf = 0.32*7/2;// wire spacing * (wires missing + 1)/2
  float cutZone = deadZoneHalf + distanceFromDeadZone;//cm
  //---- hardcoded... not good
  if(station>1 && station<5){
    if(2==ring){
      deadZoneCenter[0]= -162.48 ;
      deadZoneCenter[1] = -81.8744;
      deadZoneCenter[2] = -21.18165;
      deadZoneCenter[3] = 39.51105;
      deadZoneCenter[4] = 100.2939;
      deadZoneCenter[5] = 160.58;
      
      if(yLocal >yBoundary &&
     ((yLocal> deadZoneCenter[0] + cutZone && yLocal< deadZoneCenter[1] - cutZone) ||
      (yLocal> deadZoneCenter[1] + cutZone && yLocal< deadZoneCenter[2] - cutZone) ||
      (yLocal> deadZoneCenter[2] + cutZone && yLocal< deadZoneCenter[3] - cutZone) ||
      (yLocal> deadZoneCenter[3] + cutZone && yLocal< deadZoneCenter[4] - cutZone) ||
      (yLocal> deadZoneCenter[4] + cutZone && yLocal< deadZoneCenter[5] - cutZone))){
    pass = true;
      }
    }
    else if(1==ring){
      if(2==station){
    deadZoneCenter[0]= -95.94 ;
    deadZoneCenter[1] = -27.47;
    deadZoneCenter[2] = 33.67;
    deadZoneCenter[3] = 93.72;
      }
      else if(3==station){
    deadZoneCenter[0]= -85.97 ;
    deadZoneCenter[1] = -36.21;
    deadZoneCenter[2] = 23.68;
    deadZoneCenter[3] = 84.04;
      }
      else if(4==station){
    deadZoneCenter[0]= -75.82;
    deadZoneCenter[1] = -26.14;
    deadZoneCenter[2] = 23.85;
    deadZoneCenter[3] = 73.91;
      }
      if(yLocal >yBoundary &&
     ((yLocal> deadZoneCenter[0] + cutZone && yLocal< deadZoneCenter[1] - cutZone) ||
      (yLocal> deadZoneCenter[1] + cutZone && yLocal< deadZoneCenter[2] - cutZone) ||
      (yLocal> deadZoneCenter[2] + cutZone && yLocal< deadZoneCenter[3] - cutZone))){
    pass = true;
      }
    }
  }
  else if(1==station){
    if(3==ring){
      deadZoneCenter[0]= -83.155 ;
      deadZoneCenter[1] = -22.7401;
      deadZoneCenter[2] = 27.86665;
      deadZoneCenter[3] = 81.005;
      if(yLocal > yBoundary &&
     ((yLocal> deadZoneCenter[0] + cutZone && yLocal< deadZoneCenter[1] - cutZone) ||
      (yLocal> deadZoneCenter[1] + cutZone && yLocal< deadZoneCenter[2] - cutZone) ||
      (yLocal> deadZoneCenter[2] + cutZone && yLocal< deadZoneCenter[3] - cutZone))){
    pass = true;
      }
    }
    else if(2==ring){
      deadZoneCenter[0]= -86.285 ;
      deadZoneCenter[1] = -32.88305;
      deadZoneCenter[2] = 32.867423;
      deadZoneCenter[3] = 88.205;
      if(yLocal > (yBoundary) &&
     ((yLocal> deadZoneCenter[0] + cutZone && yLocal< deadZoneCenter[1] - cutZone) ||
      (yLocal> deadZoneCenter[1] + cutZone && yLocal< deadZoneCenter[2] - cutZone) ||
      (yLocal> deadZoneCenter[2] + cutZone && yLocal< deadZoneCenter[3] - cutZone))){
    pass = true;
      }
    }
    else{
      deadZoneCenter[0]= -81.0;
      deadZoneCenter[1] = 81.0;
      if(yLocal > (yBoundary) &&
     ((yLocal> deadZoneCenter[0] + cutZone && yLocal< deadZoneCenter[1] - cutZone) )){
    pass = true;
      }
    }
  }
  return pass;
}

void CSCEfficiency::fillDigiInfo(edm::Handle<CSCALCTDigiCollection> &alcts, 
                 edm::Handle<CSCCLCTDigiCollection> &clcts, 
                 edm::Handle<CSCCorrelatedLCTDigiCollection> &correlatedlcts,
                 edm::Handle<CSCWireDigiCollection> &wires,
                 edm::Handle<CSCStripDigiCollection> &strips,
                 edm::Handle<edm::PSimHitContainer> &simhits,
                 edm::Handle<CSCRecHit2DCollection> &rechits,
                 edm::Handle<CSCSegmentCollection> &segments,
                 edm::ESHandle<CSCGeometry> &cscGeom){
  for(int iE=0;iE<2;iE++){
    for(int iS=0;iS<4;iS++){
      for(int iR=0;iR<4;iR++){
    for(int iC=0;iC<NumCh;iC++){
      allSegments[iE][iS][iR][iC].clear(); 
      allCLCT[iE][iS][iR][iC] = allALCT[iE][iS][iR][iC] = allCorrLCT[iE][iS][iR][iC] = false;
      for(int iL=0;iL<6;iL++){
        allStrips[iE][iS][iR][iC][iL].clear(); 
        allWG[iE][iS][iR][iC][iL].clear();
        allRechits[iE][iS][iR][iC][iL].clear(); 
        allSimhits[iE][iS][iR][iC][iL].clear(); 
      }
    }
      }
    }
  }
  //
  if(useDigis){
    fillLCT_info(alcts, clcts, correlatedlcts);
    fillWG_info(wires, cscGeom);
    fillStrips_info(strips);
  }
  fillRechitsSegments_info(rechits, segments, cscGeom);
  if(!isData){
    fillSimhit_info(simhits);
  }
}


void CSCEfficiency::fillLCT_info(edm::Handle<CSCALCTDigiCollection> &alcts, 
                 edm::Handle<CSCCLCTDigiCollection> &clcts, 
                 edm::Handle<CSCCorrelatedLCTDigiCollection> &correlatedlcts ){
  //---- ALCTDigis
  int nSize = 0;
  for (CSCALCTDigiCollection::DigiRangeIterator j=alcts->begin(); j!=alcts->end(); j++) {
    ++nSize;
    const CSCDetId& id = (*j).first;
    const CSCALCTDigiCollection::Range& range =(*j).second;
    for (CSCALCTDigiCollection::const_iterator digiIt =
       range.first; digiIt!=range.second;
     ++digiIt){
      // Valid digi in the chamber (or in neighbouring chamber) 
      if((*digiIt).isValid()){
    allALCT[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh] = true;
      }
    }// for digis in layer
  }// end of for (j=...
  ALCTPerEvent->Fill(nSize);
  //---- CLCTDigis
  nSize = 0;
  for (CSCCLCTDigiCollection::DigiRangeIterator j=clcts->begin(); j!=clcts->end(); j++) {
    ++nSize;
    const CSCDetId& id = (*j).first;
    std::vector<CSCCLCTDigi>::const_iterator digiIt = (*j).second.first;
    std::vector<CSCCLCTDigi>::const_iterator last = (*j).second.second;
    for( ; digiIt != last; ++digiIt) {
      // Valid digi in the chamber (or in neighbouring chamber) 
      if((*digiIt).isValid()){
    allCLCT[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh] = true;
      }
    }
  }
  CLCTPerEvent->Fill(nSize);
  //---- CorrLCTDigis
  for (CSCCorrelatedLCTDigiCollection::DigiRangeIterator j=correlatedlcts->begin(); j!=correlatedlcts->end(); j++) {
    const CSCDetId& id = (*j).first;
    std::vector<CSCCorrelatedLCTDigi>::const_iterator digiIt = (*j).second.first;
    std::vector<CSCCorrelatedLCTDigi>::const_iterator last = (*j).second.second;
    for( ; digiIt != last; ++digiIt) {
      // Valid digi in the chamber (or in neighbouring chamber) 
      if((*digiIt).isValid()){
    allCorrLCT[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh] = true;
      }
    }
  }
}
//
void CSCEfficiency::fillWG_info(edm::Handle<CSCWireDigiCollection> &wires, edm::ESHandle<CSCGeometry> &cscGeom){
  //---- WIRE GROUPS
  for (CSCWireDigiCollection::DigiRangeIterator j=wires->begin(); j!=wires->end(); j++) {
    CSCDetId id = (CSCDetId)(*j).first;
    const CSCLayer *layer_p = cscGeom->layer (id);
    const CSCLayerGeometry *layerGeom = layer_p->geometry ();
    //

    const std::vector<float> LayerBounds = layerGeom->parameters ();
    std::vector<CSCWireDigi>::const_iterator digiItr = (*j).second.first;
    std::vector<CSCWireDigi>::const_iterator last = (*j).second.second;
    //
    for( ; digiItr != last; ++digiItr) {
      std::pair < int, float > WG_pos(digiItr->getWireGroup(), layerGeom->yOfWireGroup(digiItr->getWireGroup())); 
      std::pair <std::pair < int, float >, int >  LayerSignal(WG_pos, digiItr->getTimeBin()); 
      
      //---- AllWG contains basic information about WG (WG number and Y-position, time bin)
      allWG[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh]
    [id.layer()-1].push_back(LayerSignal);
      if(printalot){
    //std::cout<<" WG check : "<<std::endl;
    //printf("\t\tendcap/station/ring/chamber/layer: %i/%i/%i/%i/%i\n",id.endcap(),id.station(),id.ring(),id.chamber(),id.layer());
    //std::cout<<" WG size = "<<allWG[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh]
    //[id.layer()-1].size()<<std::endl;
      }
    }
  }
}
void CSCEfficiency::fillStrips_info(edm::Handle<CSCStripDigiCollection> &strips){
  //---- STRIPS
  for (CSCStripDigiCollection::DigiRangeIterator j=strips->begin(); j!=strips->end(); j++) {
    CSCDetId id = (CSCDetId)(*j).first;
    int largestADCValue = -1;
    std::vector<CSCStripDigi>::const_iterator digiItr = (*j).second.first;
    std::vector<CSCStripDigi>::const_iterator last = (*j).second.second;
    for( ; digiItr != last; ++digiItr) {
      int maxADC=largestADCValue;
      int myStrip = digiItr->getStrip();
      std::vector<int> myADCVals = digiItr->getADCCounts();
      float thisPedestal = 0.5*(float)(myADCVals[0]+myADCVals[1]);
      float threshold = 13.3 ;
      float diff = 0.;
      float peakADC  = -1000.;
      for (unsigned int iCount = 0; iCount < myADCVals.size(); iCount++) {
    diff = (float)myADCVals[iCount]-thisPedestal;
    if (diff > threshold) { 
      if (myADCVals[iCount] > largestADCValue) {
        largestADCValue = myADCVals[iCount];
      }
    }
    if (diff > threshold && diff > peakADC) {
      peakADC  = diff;
    }
      }
      if(largestADCValue>maxADC){// FIX IT!!!
    maxADC = largestADCValue;
    std::pair <int, float> LayerSignal (myStrip, peakADC);
    
        //---- AllStrips contains basic information about strips 
        //---- (strip number and peak signal for most significant strip in the layer) 
    allStrips[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-1][id.layer()-1].clear();
    allStrips[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-1][id.layer()-1].push_back(LayerSignal);
      }
    }
  }
}
void CSCEfficiency::fillSimhit_info(edm::Handle<edm::PSimHitContainer> &simhits){
  //---- SIMHITS
  edm::PSimHitContainer::const_iterator dSHsimIter;
  for (dSHsimIter = simhits->begin(); dSHsimIter != simhits->end(); dSHsimIter++){
    // Get DetID for this simHit:
    CSCDetId sId = (CSCDetId)(*dSHsimIter).detUnitId();
    std::pair <LocalPoint, int> simHitPos((*dSHsimIter).localPosition(), (*dSHsimIter).particleType());  
    allSimhits[sId.endcap()-1][sId.station()-1][sId.ring()-1][sId.chamber()-FirstCh][sId.layer()-1].push_back(simHitPos);
  }
}
//
void CSCEfficiency::fillRechitsSegments_info(edm::Handle<CSCRecHit2DCollection> &rechits,
                         edm::Handle<CSCSegmentCollection> &segments,
                         edm::ESHandle<CSCGeometry> &cscGeom
                         ){
  //---- RECHITS AND SEGMENTS
  //---- Loop over rechits 
  if (printalot){ 
    //printf("\tGet the recHits collection.\t ");
    printf("  The size of the rechit collection is %i\n",int(rechits->size()));
    //printf("\t...start loop over rechits...\n");
  }
  recHitsPerEvent->Fill(rechits->size());
  //---- Build iterator for rechits and loop :
  CSCRecHit2DCollection::const_iterator recIt;
  for (recIt = rechits->begin(); recIt != rechits->end(); recIt++) {
    //---- Find chamber with rechits in CSC 
    CSCDetId id = (CSCDetId)(*recIt).cscDetId();
    if (printalot){
      const CSCLayer* csclayer = cscGeom->layer( id);
      LocalPoint rhitlocal = (*recIt).localPosition();  
      LocalError rerrlocal = (*recIt).localPositionError();  
      GlobalPoint rhitglobal= csclayer->toGlobal(rhitlocal);
      printf("\t\tendcap/station/ring/chamber/layer: %i/%i/%i/%i/%i\n",id.endcap(),id.station(),id.ring(),id.chamber(),id.layer());
      printf("\t\tx,y,z: %f, %f, %f\texx,eey,exy: %f, %f, %f\tglobal x,y,z: %f, %f, %f \n",
         rhitlocal.x(), rhitlocal.y(), rhitlocal.z(), rerrlocal.xx(), rerrlocal.yy(), rerrlocal.xy(),
         rhitglobal.x(), rhitglobal.y(), rhitglobal.z());
    }
    std::pair <LocalPoint, bool> recHitPos((*recIt).localPosition(), false);  
    allRechits[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh][id.layer()-1].push_back(recHitPos);
  }
  //---- "Empty" chambers
  for(int iE=0;iE<2;iE++){
    for(int iS=0;iS<4;iS++){
      for(int iR=0;iR<4;iR++){
    for(int iC=0;iC<NumCh;iC++){
      int numLayers = 0;
      for(int iL=0;iL<6;iL++){
        if(allRechits[iE][iS][iR][iC][iL].size()){
          ++numLayers; 
        }
      }
      if(numLayers>1){
        emptyChambers[iE][iS][iR][iC] = false;
      }
      else{
        emptyChambers[iE][iS][iR][iC] = true;
      }
    }
      }
    }
  }

  //
  if (printalot){
    printf("  The size of the segment collection is %i\n", int(segments->size()));
    //printf("\t...start loop over segments...\n");
  }
  segmentsPerEvent->Fill(segments->size());
  for(CSCSegmentCollection::const_iterator it = segments->begin(); it != segments->end(); it++) {
    CSCDetId id  = (CSCDetId)(*it).cscDetId();
    StHist[id.endcap()-1][id.station()-1].segmentChi2_ndf->Fill((*it).chi2()/(*it).degreesOfFreedom());
    StHist[id.endcap()-1][id.station()-1].hitsInSegment->Fill((*it).nRecHits());
    if (printalot){ 
      printf("\tendcap/station/ring/chamber: %i %i %i %i\n",
         id.endcap(),id.station(),id.ring(),id.chamber());
      std::cout<<"\tposition(loc) = "<<(*it).localPosition()<<" error(loc) = "<<(*it).localPositionError()<<std::endl;
      std::cout<<"\t chi2/ndf = "<<(*it).chi2()/(*it).degreesOfFreedom()<<" nhits = "<<(*it).nRecHits() <<std::endl;

    }
    allSegments[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh].push_back
      (make_pair((*it).localPosition(), (*it).localDirection()));


    //---- try to get the CSC recHits that contribute to this segment.
    //if (printalot) printf("\tGet the recHits for this segment.\t");
    std::vector<CSCRecHit2D> theseRecHits = (*it).specificRecHits();
    int nRH = (*it).nRecHits();
    if (printalot){
      printf("\tGet the recHits for this segment.\t");
      printf("    nRH = %i\n",nRH);
    }
    //---- Find which of the rechits in the chamber is in the segment
    int layerRH = 0;
    for ( vector<CSCRecHit2D>::const_iterator iRH = theseRecHits.begin(); iRH != theseRecHits.end(); iRH++) {
      ++layerRH;
      CSCDetId idRH = (CSCDetId)(*iRH).cscDetId();
      if(printalot){ 
    printf("\t%i RH\tendcap/station/ring/chamber/layer: %i/%i/%i/%i/%i\n",
           layerRH,idRH.endcap(),idRH.station(),idRH.ring(),idRH.chamber(),idRH.layer());
      }
      for(size_t jRH = 0; 
      jRH<allRechits[idRH.endcap()-1][idRH.station()-1][idRH.ring()-1][idRH.chamber()-FirstCh][idRH.layer()-1].size();
      ++jRH){
    allRechits[idRH.endcap()-1][idRH.station()-1][idRH.ring()-1][idRH.chamber()-FirstCh][idRH.layer()-1][jRH].first;
    float xDiff = iRH->localPosition().x() - 
      allRechits[idRH.endcap()-1][idRH.station()-1][idRH.ring()-1][idRH.chamber()-FirstCh][idRH.layer()-1][jRH].first.x();
    float yDiff = iRH->localPosition().y() - 
      allRechits[idRH.endcap()-1][idRH.station()-1][idRH.ring()-1][idRH.chamber()-FirstCh][idRH.layer()-1][jRH].first.y();
    if(fabs(xDiff)<0.0001 && fabs(yDiff)<0.0001){
      std::pair <LocalPoint, bool> 
        recHitPos(allRechits[idRH.endcap()-1][idRH.station()-1][idRH.ring()-1][idRH.chamber()-FirstCh][idRH.layer()-1][jRH].first, true);
      allRechits[idRH.endcap()-1][idRH.station()-1][idRH.ring()-1][idRH.chamber()-FirstCh][idRH.layer()-1][jRH] = recHitPos;
      if(printalot){ 
        std::cout<<" number of the rechit (from zero) in the segment = "<< jRH<<std::endl;
      }
    }
      }
    }
  }
}
//

void CSCEfficiency::ringCandidates(int station, float feta, std::map <std::string, bool> & chamberTypes){
  // yeah, hardcoded again...
  switch (station){
  case 1:
    if(feta>0.85 && feta<1.18){//ME13
      chamberTypes["ME13"] = true;
    }      
    if(feta>1.18 && feta<1.7){//ME12
      chamberTypes["ME12"] = true;
    }
    if(feta>1.5 && feta<2.45){//ME11
      chamberTypes["ME11"] = true;
    }
    break;
  case 2:
    if(feta>0.95 && feta<1.6){//ME22
      chamberTypes["ME22"] = true;
      
    }  
    if(feta>1.55 && feta<2.45){//ME21
      chamberTypes["ME21"] = true;
    }
    break;
  case 3:
    if(feta>1.08 && feta<1.72){//ME32
      chamberTypes["ME32"] = true;
      
    }  
    if(feta>1.69 && feta<2.45){//ME31
      chamberTypes["ME31"] = true;
    }
    break;
  case 4:
    if(feta>1.78 && feta<2.45){//ME41
      chamberTypes["ME41"] = true;
    }
    break;
  default:
    break;
  }
}
//
void CSCEfficiency::chamberCandidates(int station, int ring, float phi, std::vector <int> &coupleOfChambers){
  coupleOfChambers.clear();
  // -pi< phi<+pi
  float phi_zero = 0.;// check! the phi at the "edge" of Ch 1
  float phi_const = 2.*M_PI/36.;
  int last_chamber = 36;
  int first_chamber = 1;
  if(1 != station && 1==ring){ // 18 chambers in the ring
    phi_const*=2;
    last_chamber /= 2;
  }
  if(phi<0.){
    if (printalot) std::cout<<" info: negative phi = "<<phi<<std::endl;
    phi += 2*M_PI;
  }
  float chamber_float = (phi - phi_zero)/phi_const;
  int chamber_int = int(chamber_float);
  if (chamber_float - float(chamber_int) -0.5 <0.){
    if(0!=chamber_int ){
      coupleOfChambers.push_back(chamber_int);
    }
    else{
      coupleOfChambers.push_back(last_chamber);
    }
    coupleOfChambers.push_back(chamber_int+1); 
    
  }
  else{
    coupleOfChambers.push_back(chamber_int+1);
    if(last_chamber!=chamber_int+1){
      coupleOfChambers.push_back(chamber_int+2);
    } 
    else{
      coupleOfChambers.push_back(first_chamber);
    }
  }
  if (printalot) std::cout<<" phi = "<<phi<<" phi_zero = "<<phi_zero<<" phi_const = "<<phi_const<<
    " candidate chambers: first ch = "<<coupleOfChambers[0]<<" second ch = "<<coupleOfChambers[1]<<std::endl;
}

//
bool CSCEfficiency::efficienciesPerChamber(CSCDetId & id, const CSCChamber* cscChamber, FreeTrajectoryState &ftsChamber){
  int ec, st, rg, ch, secondRing;
  returnTypes(id, ec, st, rg, ch, secondRing);

  LocalVector localDir = cscChamber->toLocal(ftsChamber.momentum());
  if(printalot){
    std::cout<<" global dir = "<<ftsChamber.momentum()<<std::endl;
    std::cout<<" local dir = "<<localDir<<std::endl;
    std::cout<<" local theta = "<<localDir.theta()<<std::endl;
  }
  float dxdz = localDir.x()/localDir.z();
  float dydz = localDir.y()/localDir.z();
  if(2==st || 3==st){
    if(printalot){
      std::cout<<"st 3 or 4 ... flip dy/dz"<<std::endl;
    }
    dydz = - dydz;
  }
  if(printalot){
    std::cout<<"dy/dz = "<<dydz<<std::endl;
  }
  // Apply angle cut
  bool out = true;
  if(applyIPangleCuts){
    if(dydz>local_DY_DZ_Max || dydz<local_DY_DZ_Min || fabs(dxdz)>local_DX_DZ_Max){ 
      out = false;
    }
  }

  // Segments
  bool firstCondition = allSegments[ec][st][rg][ch].size() ? true : false;
  bool secondCondition = false;
  //---- ME1 is special as usual - ME1a and ME1b are actually one chamber
  if(secondRing>-1){
    secondCondition = allSegments[ec][st][secondRing][ch].size() ? true : false;
  }
  if(firstCondition || secondCondition){
    if(out){
      ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(1);
    }  
  }
  else{
    if(out){
      ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(0);
    } 
  }

  if(useDigis){
    // ALCTs
    firstCondition = allALCT[ec][st][rg][ch];
    secondCondition = false;
    if(secondRing>-1){
      secondCondition = allALCT[ec][st][secondRing][ch];
    }
    if(firstCondition || secondCondition){
      if(out){
    ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(3);
      }
      // always apply partial angle cuts for this kind of histos 
      if(fabs(dxdz)<local_DX_DZ_Max){
    StHist[ec][st].EfficientALCT_momTheta->Fill(ftsChamber.momentum().theta());
    ChHist[ec][st][rg][ch].EfficientALCT_dydz->Fill(dydz);
      }
    }
    else{
      if(out){
    ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(2);
      }
      if(fabs(dxdz)<local_DX_DZ_Max){ 
    StHist[ec][st].InefficientALCT_momTheta->Fill(ftsChamber.momentum().theta());
    ChHist[ec][st][rg][ch].InefficientALCT_dydz->Fill(dydz);
      }
      if(printalot){
    std::cout<<" missing ALCT (dy/dz = "<<dydz<<")";
    printf("\t\tendcap/station/ring/chamber: %i/%i/%i/%i\n",ec+1,st+1,rg+1,ch+1);
      }
    }
    
    // CLCTs
    firstCondition = allCLCT[ec][st][rg][ch];
    secondCondition = false;
    if(secondRing>-1){
      secondCondition = allCLCT[ec][st][secondRing][ch];
    }
    if(firstCondition || secondCondition){
      if(out){
    ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(5);
      }
      if(dydz<local_DY_DZ_Max && dydz>local_DY_DZ_Min){
    StHist[ec][st].EfficientCLCT_momPhi->Fill(ftsChamber.momentum().phi() );// - phi chamber...
    ChHist[ec][st][rg][ch].EfficientCLCT_dxdz->Fill(dxdz);
      }
    }
    else{
      if(out){
    ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(4);
      }
      if(dydz<local_DY_DZ_Max && dydz>local_DY_DZ_Min){ 
    StHist[ec][st].InefficientCLCT_momPhi->Fill(ftsChamber.momentum().phi());// - phi chamber...
    ChHist[ec][st][rg][ch].InefficientCLCT_dxdz->Fill(dxdz);
      }
      if(printalot){
    std::cout<<" missing CLCT  (dx/dz = "<<dxdz<<")";
    printf("\t\tendcap/station/ring/chamber: %i/%i/%i/%i\n",ec+1,st+1,rg+1,ch+1);
      }
    }
    if(out){
      // CorrLCTs
      firstCondition = allCorrLCT[ec][st][rg][ch];
      secondCondition = false;
      if(secondRing>-1){
    secondCondition = allCorrLCT[ec][st][secondRing][ch];
      }
      if(firstCondition || secondCondition){
    ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(7);
      }
      else{
    ChHist[ec][st][rg][ch].digiAppearanceCount->Fill(6);
      }
    }
  }
  return out;
}

//
bool CSCEfficiency::stripWire_Efficiencies(CSCDetId & id, FreeTrajectoryState &ftsChamber){
  int ec, st, rg, ch, secondRing;
  returnTypes(id, ec, st, rg, ch, secondRing);

  bool firstCondition, secondCondition;
  int missingLayers_s = 0;
  int missingLayers_wg = 0;
  for(int iLayer=0;iLayer<6;iLayer++){
 //----Strips
    if(printalot){ 
      printf("\t%i swEff: \tendcap/station/ring/chamber/layer: %i/%i/%i/%i/%i\n",
         iLayer + 1,id.endcap(),id.station(),id.ring(),id.chamber(),iLayer+1);
      std::cout<<" size S = "<<allStrips[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh][iLayer].size()<<
    "size W = "<<allWG[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh][iLayer].size()<<std::endl;

    }
    firstCondition = allStrips[ec][st][rg][ch][iLayer].size() ? true : false;
    //allSegments[ec][st][rg][ch].size() ? true : false;
    secondCondition = false;
    if(secondRing>-1){
      secondCondition = allStrips[ec][st][secondRing][ch][iLayer].size() ? true : false;
    }
    if(firstCondition || secondCondition){
      ChHist[ec][st][rg][ch].EfficientStrips->Fill(iLayer+1);
    }
    else{
      if(printalot){ 
    std::cout<<"missing strips ";
    printf("\t\tendcap/station/ring/chamber/layer: %i/%i/%i/%i/%i\n",id.endcap(),id.station(),id.ring(),id.chamber(),iLayer+1);
      }
    }
    // Wires
    firstCondition = allWG[ec][st][rg][ch][iLayer].size() ? true : false;
    secondCondition = false;
    if(secondRing>-1){
      secondCondition = allWG[ec][st][secondRing][ch][iLayer].size() ? true : false;
    }
    if(firstCondition || secondCondition){
      ChHist[ec][st][rg][ch].EfficientWireGroups->Fill(iLayer+1);
    }
    else{
      if(printalot){ 
    std::cout<<"missing wires ";
    printf("\t\tendcap/station/ring/chamber/layer: %i/%i/%i/%i/%i\n",id.endcap(),id.station(),id.ring(),id.chamber(),iLayer+1);
      }
    }
  }
  // Normalization
  if(6!=missingLayers_s){
    ChHist[ec][st][rg][ch].EfficientStrips->Fill(8);
  }
  if(6!=missingLayers_wg){
    ChHist[ec][st][rg][ch].EfficientWireGroups->Fill(8);
  }
  ChHist[ec][st][rg][ch].EfficientStrips->Fill(9);
  ChHist[ec][st][rg][ch].EfficientWireGroups->Fill(9);
//
  ChHist[ec][st][rg][ch].StripWiresCorrelations->Fill(1);
  if(missingLayers_s!=missingLayers_wg){
    ChHist[ec][st][rg][ch].StripWiresCorrelations->Fill(2);
    if(6==missingLayers_wg){
      ChHist[ec][st][rg][ch].StripWiresCorrelations->Fill(3);
      ChHist[ec][st][rg][ch].NoWires_momTheta->Fill(ftsChamber.momentum().theta());
    }
    if(6==missingLayers_s){
      ChHist[ec][st][rg][ch].StripWiresCorrelations->Fill(4);
      ChHist[ec][st][rg][ch].NoStrips_momPhi->Fill(ftsChamber.momentum().theta());
    }
  }
  else if(6==missingLayers_s){
    ChHist[ec][st][rg][ch].StripWiresCorrelations->Fill(5);
  }

  return true;  
}
//
bool CSCEfficiency::recSimHitEfficiency(CSCDetId & id, FreeTrajectoryState &ftsChamber){
  int ec, st, rg, ch, secondRing;
  returnTypes(id, ec, st, rg, ch, secondRing);
  bool firstCondition, secondCondition;
  for(int iLayer=0; iLayer<6;iLayer++){
    firstCondition = allSimhits[ec][st][rg][ch][iLayer].size() ? true : false;
    secondCondition = false;
    int thisRing = rg;
    if(secondRing>-1){
      secondCondition = allSimhits[ec][st][secondRing][ch][iLayer].size() ? true : false;
      if(secondCondition){
    thisRing = secondRing;
      }
    }
    if(firstCondition || secondCondition){
      for(size_t iSH=0;
      iSH<allSimhits[ec][st][thisRing][ch][iLayer].size();
      ++iSH){
    if(13 ==
       fabs(allSimhits[ec][st][thisRing][ch][iLayer][iSH].second)){
      ChHist[ec][st][rg][ch].SimSimhits->Fill(iLayer+1);
      if(allRechits[ec][st][thisRing][ch][iLayer].size()){
        ChHist[ec][st][rg][ch].SimRechits->Fill(iLayer+1);
      }
      break;
    }
      }
      //---- Next is not too usefull... 
      /*
      for(unsigned int iSimHits=0;
      iSimHits<allSimhits[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh][iLayer].size();
      iSimHits++){
    ChHist[ec][st][rg][id.chamber()-FirstCh].SimSimhits_each->Fill(iLayer+1);
      }
      for(unsigned int iRecHits=0;
      iRecHits<allRechits[id.endcap()-1][id.station()-1][id.ring()-1][id.chamber()-FirstCh][iLayer].size();
      iRecHits++){
    ChHist[ec][st][rg][id.chamber()-FirstCh].SimRechits_each->Fill(iLayer+1);
      }
      */
      //
    }   
  }
  return true;
}

//
bool CSCEfficiency::recHitSegment_Efficiencies(CSCDetId & id, const CSCChamber* cscChamber, FreeTrajectoryState &ftsChamber){
  int ec, st, rg, ch, secondRing;
  returnTypes(id, ec, st, rg, ch, secondRing);
  bool firstCondition, secondCondition;

  std::vector <bool> missingLayers_rh(6);
  std::vector <int> usedInSegment(6);
  // Rechits
  if(printalot) std::cout<<"RecHits eff"<<std::endl;
  for(int iLayer=0;iLayer<6;++iLayer){
    firstCondition = allRechits[ec][st][rg][ch][iLayer].size() ? true : false;
    secondCondition = false;
    int thisRing = rg;
    if(secondRing>-1){
      secondCondition = allRechits[ec][st][secondRing][ch][iLayer].size() ? true : false;
      if(secondCondition){
    thisRing = secondRing;
      }
    }
    if(firstCondition || secondCondition){
      ChHist[ec][st][rg][ch].EfficientRechits_good->Fill(iLayer+1);
      for(size_t iR=0;
      iR<allRechits[ec][st][thisRing][ch][iLayer].size();
      ++iR){
    if(allRechits[ec][st][thisRing][ch][iLayer][iR].second){
      usedInSegment[iLayer] = 1;
      break;
    }
    else{
      usedInSegment[iLayer] = -1;
    }
      }
    }
    else{
      missingLayers_rh[iLayer] = true;
      if(printalot){
    std::cout<<"missing rechits ";
    printf("\t\tendcap/station/ring/chamber/layer: %i/%i/%i/%i/%i\n",id.endcap(),id.station(),id.ring(),id.chamber(),iLayer+1);
      }
    }
  }
  GlobalVector globalDir;
  GlobalPoint globalPos;
 // Segments
  firstCondition = allSegments[ec][st][rg][ch].size() ? true : false;
  secondCondition = false;
  int secondSize = 0;
  int thisRing = rg;
  if(secondRing>-1){
    secondCondition = allSegments[ec][st][secondRing][ch].size() ? true : false;
    secondSize = allSegments[ec][st][secondRing][ch].size();
    if(secondCondition){
      thisRing = secondRing;
    }
  }
  if(firstCondition || secondCondition){
    if (printalot) std::cout<<"segments - start ec = "<<ec<<" st = "<<st<<" rg = "<<rg<<" ch = "<<ch<<std::endl;
    StHist[ec][st].EfficientSegments_XY->Fill(ftsChamber.position().x(),ftsChamber.position().y());
    if(1==allSegments[ec][st][rg][ch].size() + secondSize){
      globalDir = cscChamber->toGlobal(allSegments[ec][st][thisRing][ch][0].second);
      globalPos = cscChamber->toGlobal(allSegments[ec][st][thisRing][ch][0].first);
      StHist[ec][st].EfficientSegments_eta->Fill(fabs(ftsChamber.position().eta()));
      double residual = sqrt(pow(ftsChamber.position().x() - globalPos.x(),2)+
                 pow(ftsChamber.position().y() - globalPos.y(),2)+
                 pow(ftsChamber.position().z() - globalPos.z(),2));
      if (printalot) std::cout<<" fts.position() = "<<ftsChamber.position()<<" segPos = "<<globalPos<<" res = "<<residual<< std::endl;
      StHist[ec][st].ResidualSegments->Fill(residual);
    }
    for(int iLayer=0;iLayer<6;++iLayer){
      if(printalot) std::cout<<" iLayer = "<<iLayer<<" usedInSegment = "<<usedInSegment[iLayer]<<std::endl;
      if(0!=usedInSegment[iLayer]){
    if(-1==usedInSegment[iLayer]){
      ChHist[ec][st][rg][ch].InefficientSingleHits->Fill(iLayer+1);
    }
    ChHist[ec][st][rg][ch].AllSingleHits->Fill(iLayer+1);
      }
      firstCondition = allRechits[ec][st][rg][ch][iLayer].size() ? true : false;
      secondCondition = false;
      if(secondRing>-1){
    secondCondition = allRechits[ec][st][secondRing][ch][iLayer].size() ? true : false;
      }
      float stripAngle = 99999.;
      std::vector<float> posXY(2);
      bool oneSegment = false;
      if(1==allSegments[ec][st][rg][ch].size() + secondSize){
    oneSegment = true;
    const BoundPlane bp = cscChamber->layer(iLayer+1)->surface();
    linearExtrapolation(globalPos,globalDir, bp.position().z(), posXY);
        GlobalPoint gp_extrapol( posXY.at(0), posXY.at(1),bp.position().z());
        const LocalPoint lp_extrapol = cscChamber->layer(iLayer+1)->toLocal(gp_extrapol);
        posXY.at(0) = lp_extrapol.x();
        posXY.at(1) = lp_extrapol.y();
        int nearestStrip = cscChamber->layer(iLayer+1)->geometry()->nearestStrip(lp_extrapol);
        stripAngle = cscChamber->layer(iLayer+1)->geometry()->stripAngle(nearestStrip) - M_PI/2. ;
      }
      if(firstCondition || secondCondition){
    ChHist[ec][st][rg][ch].EfficientRechits_inSegment->Fill(iLayer+1);
    if(oneSegment){
      ChHist[ec][st][rg][ch].Y_EfficientRecHits_inSegment[iLayer]->Fill(posXY.at(1));
      ChHist[ec][st][rg][ch].Phi_EfficientRecHits_inSegment[iLayer]->Fill(stripAngle);
    }
      }
      else{
    if(oneSegment){
      ChHist[ec][st][rg][ch].Y_InefficientRecHits_inSegment[iLayer]->Fill(posXY.at(1));
      ChHist[ec][st][rg][ch].Phi_InefficientRecHits_inSegment[iLayer]->Fill(stripAngle);
    }
      }
    }
  }
  else{
    StHist[ec][st].InefficientSegments_XY->Fill(ftsChamber.position().x(),ftsChamber.position().y());
    if(printalot){
      std::cout<<"missing segment "<<std::endl;
      printf("\t\tendcap/station/ring/chamber: %i/%i/%i/%i\n",id.endcap(),id.station(),id.ring(),id.chamber());
      std::cout<<" fts.position() = "<<ftsChamber.position()<<std::endl;
    }
  }
  // Normalization
  ChHist[ec][st][rg][ch].EfficientRechits_good->Fill(8);
  if(allSegments[ec][st][rg][ch].size()+secondSize<2){
    StHist[ec][st].AllSegments_eta->Fill(fabs(ftsChamber.position().eta()));
  }
  ChHist[ec][st][rg][id.chamber()-FirstCh].EfficientRechits_inSegment->Fill(9);

  return true;
}
//
void CSCEfficiency::returnTypes(CSCDetId & id, int &ec, int &st, int &rg, int &ch, int &secondRing){
  ec = id.endcap()-1;
  st = id.station()-1;
  rg = id.ring()-1;
  secondRing = -1;
  if(1==id.station() && (4==id.ring() || 1==id.ring()) ){
    rg = 0;
    secondRing = 3;
  }
  ch = id.chamber()-FirstCh;
}

//
void CSCEfficiency::getFromFTS( const FreeTrajectoryState& fts,
                CLHEP::Hep3Vector& p3, CLHEP::Hep3Vector& r3,
                int& charge, AlgebraicSymMatrix66& cov){
  
  GlobalVector p3GV = fts.momentum();
  GlobalPoint r3GP = fts.position();

  p3.set(p3GV.x(), p3GV.y(), p3GV.z());
  r3.set(r3GP.x(), r3GP.y(), r3GP.z());

  charge = fts.charge();
  cov = fts.hasError() ? fts.cartesianError().matrix() : AlgebraicSymMatrix66();

}

FreeTrajectoryState CSCEfficiency::getFromCLHEP(const CLHEP::Hep3Vector& p3, const CLHEP::Hep3Vector& r3,
                                                       int charge, const AlgebraicSymMatrix66& cov,
                                                       const MagneticField* field){

  GlobalVector p3GV(p3.x(), p3.y(), p3.z());
  GlobalPoint r3GP(r3.x(), r3.y(), r3.z());
  GlobalTrajectoryParameters tPars(r3GP, p3GV, charge, field);

  CartesianTrajectoryError tCov(cov);

  return cov.kRows == 6 ? FreeTrajectoryState(tPars, tCov) : FreeTrajectoryState(tPars) ;
}

void CSCEfficiency::linearExtrapolation(GlobalPoint initialPosition ,GlobalVector initialDirection, 
                    float zSurface, std::vector <float> &posZY){
  double paramLine =  lineParameter(initialPosition.z(), zSurface, initialDirection.z());
  double xPosition = extrapolate1D(initialPosition.x(), initialDirection.x(),paramLine);
  double yPosition = extrapolate1D(initialPosition.y(), initialDirection.y(),paramLine);
  posZY.clear();
  posZY.push_back(xPosition);
  posZY.push_back(yPosition);
}
//
double CSCEfficiency::extrapolate1D(double initPosition, double initDirection, double parameterOfTheLine){
  double extrapolatedPosition = initPosition + initDirection*parameterOfTheLine;
  return extrapolatedPosition;
}
//
double CSCEfficiency::lineParameter(double initZPosition, double destZPosition, double initZDirection){
  double paramLine = (destZPosition-initZPosition)/initZDirection;
  return paramLine;
}
//
void CSCEfficiency::chooseDirection(CLHEP::Hep3Vector & innerPosition, CLHEP::Hep3Vector & outerPosition){

  //---- Be careful with trigger conditions too
  if(!isIPdata){
    float dy = outerPosition.y() - innerPosition.y();
    float dz = outerPosition.z() - innerPosition.z();
    if(isBeamdata){
      if(dz>0){
    alongZ = true;
      }
      else{
    alongZ = false;
      }
    }
    else{//cosmics
      if(dy/dz>0){
    alongZ = false;
      }
      else{
    alongZ = true;
      }
    }
  }
}
//
const Propagator* CSCEfficiency::propagator(std::string propagatorName) const {
  return &*theService->propagator(propagatorName);
}
  
//
TrajectoryStateOnSurface CSCEfficiency::propagate(FreeTrajectoryState & ftsStart, const BoundPlane &bpDest){
  TrajectoryStateOnSurface tSOSDest;
  std::string propagatorName;
/*
// it would work if cosmic muons had properly assigned direction...
  bool dzPositive = bpDest.position().z() - ftsStart.position().z() > 0 ? true : false;
 //---- Be careful with trigger conditions too
  if(!isIPdata){
    bool rightDirection = !(alongZ^dzPositive);
    if(rightDirection){
      if(printalot) std::cout<<" propagate along momentum"<<std::endl;
      propagatorName = "SteppingHelixPropagatorAlong";
    }
    else{
      if(printalot) std::cout<<" propagate opposite momentum"<<std::endl;
      propagatorName = "SteppingHelixPropagatorOpposite";
    }
  }
  else{
    if(printalot) std::cout<<" propagate any (momentum)"<<std::endl;
    propagatorName = "SteppingHelixPropagatorAny";
  }
*/
  propagatorName = "SteppingHelixPropagatorAny";
  tSOSDest = propagator(propagatorName)->propagate(ftsStart, bpDest);   
  return tSOSDest;
}
//
bool CSCEfficiency::applyTrigger(edm::Handle<edm::TriggerResults> &hltR,
                                 const edm::TriggerNames & triggerNames){
  bool triggerPassed = true;
  std::vector<std::string>  hlNames=triggerNames.triggerNames();
  pointToTriggers.clear();
  for(size_t imyT = 0;imyT<myTriggers.size();++imyT){
    for (size_t iT=0; iT<hlNames.size(); ++iT) {
      //std::cout<<" iT = "<<iT<<" hlNames[iT] = "<<hlNames[iT]<<
      //" : wasrun = "<<hltR->wasrun(iT)<<" accept = "<<
      //     hltR->accept(iT)<<" !error = "<< 
      //    !hltR->error(iT)<<std::endl; 
      if(!imyT){       
        if(hltR->wasrun(iT) &&
           hltR->accept(iT) &&
           !hltR->error(iT) ){
           TriggersFired->Fill(iT); 
        }
      }
      if(hlNames[iT]==myTriggers[imyT]){
    pointToTriggers.push_back(iT);
    if(imyT){
      break;
    }
      }
    }
  }
  if(pointToTriggers.size()!=myTriggers.size()){
    pointToTriggers.clear();
    if(printalot){
      std::cout<<" Not all trigger names found - all trigger specifications will be ignored. Check your cfg file!"<<std::endl;
    }
  }
  else{
    if(pointToTriggers.size()){
      if(printalot){
        std::cout<<"The following triggers will be required in the event: "<<std::endl;
        for(size_t imyT =0; imyT <pointToTriggers.size();++imyT){
      std::cout<<"  "<<hlNames[pointToTriggers[imyT]];
        }
        std::cout<<std::endl;
        std::cout<<" in condition (AND/OR) : "<<!andOr<<"/"<<andOr<<std::endl;
      }
    }
  }

  if (hltR.isValid()) {
    if(!pointToTriggers.size()){
      if(printalot){
        std::cout<<" No triggers specified in the configuration or all ignored - no trigger information will be considered"<<std::endl;
      }
    }
    for(size_t imyT =0; imyT <pointToTriggers.size();++imyT){
      if(hltR->wasrun(pointToTriggers[imyT]) && 
     hltR->accept(pointToTriggers[imyT]) && 
     !hltR->error(pointToTriggers[imyT]) ){
    triggerPassed = true;
    if(andOr){
      break;
    }
      }
      else{
    triggerPassed = false;
    if(!andOr){
      triggerPassed = false;
      break;
    }
      }
    }
  }
  else{
    if(printalot){
      std::cout<<" TriggerResults handle returns invalid state?! No trigger information will be considered"<<std::endl;
    }
  }
  if(printalot){
    std::cout<<" Trigger passed: "<<triggerPassed<<std::endl;
  }
  return triggerPassed;
}
//

// Constructor
CSCEfficiency::CSCEfficiency(const ParameterSet& pset){

  // const float Xmin = -70;
  //const float Xmax = 70;
  //const int nXbins = int(4.*(Xmax - Xmin));
  const float Ymin = -165;
  const float Ymax = 165;
  const int nYbins = int((Ymax - Ymin)/2);
  const float Layer_min = -0.5;
  const float Layer_max = 9.5;
  const int nLayer_bins = int(Layer_max - Layer_min);
  //

  //---- Get the input parameters
  printout_NEvents  = pset.getUntrackedParameter<unsigned int>("printout_NEvents",0);
  rootFileName     = pset.getUntrackedParameter<string>("rootFileName","cscHists.root");

  isData  = pset.getUntrackedParameter<bool>("runOnData",true);// 
  isIPdata  = pset.getUntrackedParameter<bool>("IPdata",false);// 
  isBeamdata  = pset.getUntrackedParameter<bool>("Beamdata",false);//
  getAbsoluteEfficiency  = pset.getUntrackedParameter<bool>("getAbsoluteEfficiency",true);//
  useDigis = pset.getUntrackedParameter<bool>("useDigis", true);// 
  distanceFromDeadZone = pset.getUntrackedParameter<double>("distanceFromDeadZone", 10.);// 
  minP = pset.getUntrackedParameter<double>("minP",20.);//
  maxP = pset.getUntrackedParameter<double>("maxP",100.);//
  maxNormChi2 = pset.getUntrackedParameter<double>("maxNormChi2", 3.);//
  minTrackHits = pset.getUntrackedParameter<unsigned int>("minTrackHits",10);//

  applyIPangleCuts = pset.getUntrackedParameter<bool>("applyIPangleCuts", false);// 
    local_DY_DZ_Max = pset.getUntrackedParameter<double>("local_DY_DZ_Max",-0.1);//
      local_DY_DZ_Min = pset.getUntrackedParameter<double>("local_DY_DZ_Min",-0.8);//
        local_DX_DZ_Max = pset.getUntrackedParameter<double>("local_DX_DZ_Max",0.2);//

  alctDigiTag_  = pset.getParameter<edm::InputTag>("alctDigiTag") ;
  clctDigiTag_  = pset.getParameter<edm::InputTag>("clctDigiTag") ;
  corrlctDigiTag_  = pset.getParameter<edm::InputTag>("corrlctDigiTag") ;
  stripDigiTag_  = pset.getParameter<edm::InputTag>("stripDigiTag") ;
  wireDigiTag_ = pset.getParameter<edm::InputTag>("wireDigiTag") ;
  rechitDigiTag_ = pset.getParameter<edm::InputTag>("rechitDigiTag") ;
  segmentDigiTag_ = pset.getParameter<edm::InputTag>("segmentDigiTag") ;
  simHitTag     = pset.getParameter<edm::InputTag>("simHitTag");
  tracksTag = pset.getParameter< edm::InputTag >("tracksTag");

  ParameterSet serviceParameters = pset.getParameter<ParameterSet>("ServiceParameters");
  // maybe use the service for getting magnetic field, propagators, etc. ...
  theService        = new MuonServiceProxy(serviceParameters);

  // Trigger
  useTrigger =  pset.getUntrackedParameter<bool>("useTrigger", false);
  hlTriggerResults_ = pset.getParameter<edm::InputTag> ("HLTriggerResults");
  myTriggers = pset.getParameter<std::vector <std::string> >("myTriggers");
  andOr =  pset.getUntrackedParameter<bool>("andOr");
  pointToTriggers.clear();


  //---- set counter to zero
  nEventsAnalyzed = 0;
  //---- set presence of magnetic field
  magField = true;
  //
  std::string Path = "AllChambers/";
  std::string FullName;
  //---- File with output histograms 
  theFile = new TFile(rootFileName.c_str(), "RECREATE");
  theFile->cd();
  //---- Book histograms for the analysis
  char SpecName[50];
  
  sprintf(SpecName,"DataFlow"); 
  DataFlow =  
    new TH1F(SpecName,"Data flow;condition number;entries",40,-0.5,39.5);
  //
  sprintf(SpecName,"TriggersFired"); 
  TriggersFired =
    new TH1F(SpecName,"Triggers fired;trigger number;entries",140,-0.5,139.5);
  //
  int Chan = 50;
  float minChan = -0.5;
  float maxChan = 49.5;
  //
  sprintf(SpecName,"ALCTPerEvent");    
  ALCTPerEvent = new TH1F(SpecName,"ALCTs per event;N digis;entries",Chan,minChan,maxChan);
  //
  sprintf(SpecName,"CLCTPerEvent");    
  CLCTPerEvent = new TH1F(SpecName,"CLCTs per event;N digis;entries",Chan,minChan,maxChan);
  //
    sprintf(SpecName,"recHitsPerEvent");    
  recHitsPerEvent = new TH1F(SpecName,"RecHits per event;N digis;entries",150,-0.5,149.5);
  //
  sprintf(SpecName,"segmentsPerEvent");    
  segmentsPerEvent = new TH1F(SpecName,"segments per event;N digis;entries",Chan,minChan,maxChan);
  //
  //---- Book groups of histograms (for any chamber)

  map<std::string,bool>::iterator iter;  
  for(int ec = 0;ec<2;++ec){
    for(int st = 0;st<4;++st){
      theFile->cd();
      sprintf(SpecName,"Stations__E%d_S%d",ec+1, st+1);
      theFile->mkdir(SpecName);
      theFile->cd(SpecName);

      //
      sprintf(SpecName,"segmentChi2_ndf_St%d",st+1);
      StHist[ec][st].segmentChi2_ndf = 
    new TH1F(SpecName,"Chi2/ndf of a segment;chi2/ndf;entries",100,0.,20.);
      //
      sprintf(SpecName,"hitsInSegment_St%d",st+1);
      StHist[ec][st].hitsInSegment = 
    new TH1F(SpecName,"Number of hits in a segment;nHits;entries",7,-0.5,6.5);
      //
      Chan = 170;
      minChan = 0.85;
      maxChan = 2.55;
      //
      sprintf(SpecName,"AllSegments_eta_St%d",st+1);
      StHist[ec][st].AllSegments_eta = 
    new TH1F(SpecName,"All segments in eta;eta;entries",Chan,minChan,maxChan);
      //
      sprintf(SpecName,"EfficientSegments_eta_St%d",st+1);
      StHist[ec][st].EfficientSegments_eta = 
    new TH1F(SpecName,"Efficient segments in eta;eta;entries",Chan,minChan,maxChan);
      //
      sprintf(SpecName,"ResidualSegments_St%d",st+1);
      StHist[ec][st].ResidualSegments = 
    new TH1F(SpecName,"Residual (segments);residual,cm;entries",75,0.,15.);
      //
      Chan = 200;
      minChan = -800.;
      maxChan = 800.;
      int Chan2 = 200;
      float minChan2 = -800.;
      float maxChan2 = 800.;
      
      sprintf(SpecName,"EfficientSegments_XY_St%d",st+1);
      StHist[ec][st].EfficientSegments_XY = new TH2F(SpecName,"Efficient segments in XY;X;Y",
                             Chan,minChan,maxChan,Chan2,minChan2,maxChan2);
      sprintf(SpecName,"InefficientSegments_XY_St%d",st+1);
      StHist[ec][st].InefficientSegments_XY = new TH2F(SpecName,"Inefficient segments in XY;X;Y",
                               Chan,minChan,maxChan,Chan2,minChan2,maxChan2);
      //
      Chan = 80;
      minChan = 0;
      maxChan = 3.2;
      sprintf(SpecName,"EfficientALCT_momTheta_St%d",st+1);
      StHist[ec][st].EfficientALCT_momTheta = new TH1F(SpecName,"Efficient ALCT in theta (momentum);theta, rad;entries",
                               Chan,minChan,maxChan);
      //
      sprintf(SpecName,"InefficientALCT_momTheta_St%d",st+1);
      StHist[ec][st].InefficientALCT_momTheta = new TH1F(SpecName,"Inefficient ALCT in theta (momentum);theta, rad;entries",
                             Chan,minChan,maxChan);
      //
      Chan = 160;
      minChan = -3.2;
      maxChan = 3.2;
      sprintf(SpecName,"EfficientCLCT_momPhi_St%d",st+1);
      StHist[ec][st].EfficientCLCT_momPhi = new TH1F(SpecName,"Efficient CLCT in phi (momentum);phi, rad;entries",
                             Chan,minChan,maxChan);
      //
      sprintf(SpecName,"InefficientCLCT_momPhi_St%d",st+1);
      StHist[ec][st].InefficientCLCT_momPhi = new TH1F(SpecName,"Inefficient CLCT in phi (momentum);phi, rad;entries",
                               Chan,minChan,maxChan);
      //
      theFile->cd();
      for(int rg = 0;rg<3;++rg){
    if(0!=st && rg>1){
      continue;
    }
    else if(1==rg && 3==st){
      continue;
    }
    for(int iChamber=FirstCh;iChamber<FirstCh+NumCh;iChamber++){
      if(0!=st && 0==rg && iChamber >18){
        continue;
      }
      theFile->cd();
      sprintf(SpecName,"Chambers__E%d_S%d_R%d_Chamber_%d",ec+1, st+1, rg+1,iChamber);
      theFile->mkdir(SpecName);
      theFile->cd(SpecName);
      //

      sprintf(SpecName,"EfficientRechits_inSegment_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientRechits_inSegment = 
        new TH1F(SpecName,"Existing RecHit given a segment;layers (1-6);entries",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"InefficientSingleHits_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].InefficientSingleHits = 
        new TH1F(SpecName,"Single RecHits not in the segment;layers (1-6);entries ",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"AllSingleHits_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].AllSingleHits = 
        new TH1F(SpecName,"Single RecHits given a segment; layers (1-6);entries",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"digiAppearanceCount_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].digiAppearanceCount = 
        new TH1F(SpecName,"Digi appearance (no-yes): segment(0,1), ALCT(2,3), CLCT(4,5), CorrLCT(6,7); digi type;entries",
             8,-0.5,7.5);
      //
      Chan = 100;
      minChan = -1.1;
      maxChan = 0.9;
      sprintf(SpecName,"EfficientALCT_dydz_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientALCT_dydz = 
        new TH1F(SpecName,"Efficient ALCT; local dy/dz (ME 3 and 4 flipped);entries",
             Chan, minChan, maxChan);
      //
      sprintf(SpecName,"InefficientALCT_dydz_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].InefficientALCT_dydz = 
        new TH1F(SpecName,"Inefficient ALCT; local dy/dz (ME 3 and 4 flipped);entries",
             Chan, minChan, maxChan);
      //
      Chan = 100;
      minChan = -1.;
      maxChan = 1.0;
      sprintf(SpecName,"EfficientCLCT_dxdz_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientCLCT_dxdz = 
        new TH1F(SpecName,"Efficient CLCT; local dxdz;entries",
             Chan, minChan, maxChan);
      //
      sprintf(SpecName,"InefficientCLCT_dxdz_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].InefficientCLCT_dxdz = 
        new TH1F(SpecName,"Inefficient CLCT; local dxdz;entries",
             Chan, minChan, maxChan);
      //
      sprintf(SpecName,"EfficientRechits_good_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientRechits_good = 
        new TH1F(SpecName,"Existing RecHit - sensitive area only;layers (1-6);entries",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"EfficientStrips_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientStrips = 
        new TH1F(SpecName,"Existing strip;layer (1-6); entries",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"EfficientWireGroups_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientWireGroups = 
        new TH1F(SpecName,"Existing WireGroups;layer (1-6); entries ",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"StripWiresCorrelations_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].StripWiresCorrelations = 
        new TH1F(SpecName,"StripWire correlations;; entries ",5,0.5,5.5);
      //
      Chan = 80;
      minChan = 0;
      maxChan = 3.2;
      sprintf(SpecName,"NoWires_momTheta_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].NoWires_momTheta = 
        new TH1F(SpecName,"No wires (all strips present) - in theta (momentum);theta, rad;entries",
             Chan,minChan,maxChan);
      //
      Chan = 160;
      minChan = -3.2;
      maxChan = 3.2;
      sprintf(SpecName,"NoStrips_momPhi_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].NoStrips_momPhi = 
        new TH1F(SpecName,"No strips (all wires present) - in phi (momentum);phi, rad;entries",
             Chan,minChan,maxChan);
      //
      for(int iLayer=0; iLayer<6;iLayer++){
        sprintf(SpecName,"Y_InefficientRecHits_inSegment_Ch%d_L%d",iChamber,iLayer);
        ChHist[ec][st][rg][iChamber-FirstCh].Y_InefficientRecHits_inSegment.push_back
          (new TH1F(SpecName,"Missing RecHit/layer in a segment (local system, whole chamber);Y, cm; entries",
            nYbins,Ymin, Ymax));
        //
        sprintf(SpecName,"Y_EfficientRecHits_inSegment_Ch%d_L%d",iChamber,iLayer);
        ChHist[ec][st][rg][iChamber-FirstCh].Y_EfficientRecHits_inSegment.push_back
          (new TH1F(SpecName,"Efficient (extrapolated from the segment) RecHit/layer in a segment (local system, whole chamber);Y, cm; entries",
            nYbins,Ymin, Ymax));
        //
            Chan = 200;
            minChan = -0.2;
            maxChan = 0.2;
            sprintf(SpecName,"Phi_InefficientRecHits_inSegment_Ch%d_L%d",iChamber,iLayer);
            ChHist[ec][st][rg][iChamber-FirstCh].Phi_InefficientRecHits_inSegment.push_back
              (new TH1F(SpecName,"Missing RecHit/layer in a segment (local system, whole chamber);Phi, rad; entries",
                        Chan, minChan, maxChan));
            //
            sprintf(SpecName,"Phi_EfficientRecHits_inSegment_Ch%d_L%d",iChamber,iLayer);
            ChHist[ec][st][rg][iChamber-FirstCh].Phi_EfficientRecHits_inSegment.push_back
              (new TH1F(SpecName,"Efficient (extrapolated from the segment) in a segment (local system, whole chamber);Phi, rad; entries",
                        Chan, minChan, maxChan));
        
      }
      //
      sprintf(SpecName,"Sim_Rechits_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].SimRechits = 
        new TH1F(SpecName,"Existing RecHit (Sim);layers (1-6);entries",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"Sim_Simhits_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].SimSimhits = 
        new TH1F(SpecName,"Existing SimHit (Sim);layers (1-6);entries",nLayer_bins,Layer_min,Layer_max);
      //
      /*
      sprintf(SpecName,"Sim_Rechits_each_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].SimRechits_each = 
        new TH1F(SpecName,"Existing RecHit (Sim), each;layers (1-6);entries",nLayer_bins,Layer_min,Layer_max);
      //
      sprintf(SpecName,"Sim_Simhits_each_Ch%d",iChamber);
      ChHist[ec][st][rg][iChamber-FirstCh].SimSimhits_each = 
        new TH1F(SpecName,"Existing SimHit (Sim), each;layers (1-6);entries",nLayer_bins,Layer_min,Layer_max);
      */
      theFile->cd();
    }
      }
    }
  }
}

// Destructor
CSCEfficiency::~CSCEfficiency(){
  if (theService) delete theService; 
  // Write the histos to a file
  theFile->cd();
  //
  char SpecName[20];
  std::vector<float> bins, Efficiency, EffError;
  std::vector<float> eff(2);

  //---- loop over chambers
  std::map <std::string, bool> chamberTypes;
  chamberTypes["ME11"] = false;
  chamberTypes["ME12"] = false;
  chamberTypes["ME13"] = false;
  chamberTypes["ME21"] = false;
  chamberTypes["ME22"] = false;
  chamberTypes["ME31"] = false;
  chamberTypes["ME32"] = false;
  chamberTypes["ME41"] = false;
  
  map<std::string,bool>::iterator iter;  
  std::cout<<" Writing proper histogram structure (patience)..."<<std::endl;
  for(int ec = 0;ec<2;++ec){
    for(int st = 0;st<4;++st){
      sprintf(SpecName,"Stations__E%d_S%d",ec+1, st+1);
      theFile->cd(SpecName);
      StHist[ec][st].segmentChi2_ndf->Write();
      StHist[ec][st].hitsInSegment->Write();
      StHist[ec][st].AllSegments_eta->Write();
      StHist[ec][st].EfficientSegments_eta->Write();
      StHist[ec][st].ResidualSegments->Write();
      StHist[ec][st].EfficientSegments_XY->Write();
      StHist[ec][st].InefficientSegments_XY->Write();
      StHist[ec][st].EfficientALCT_momTheta->Write();
      StHist[ec][st].InefficientALCT_momTheta->Write();
      StHist[ec][st].EfficientCLCT_momPhi->Write();
      StHist[ec][st].InefficientCLCT_momPhi->Write();
      for(int rg = 0;rg<3;++rg){
    if(0!=st && rg>1){
      continue;
    }
    else if(1==rg && 3==st){
      continue;
    }
    for(int iChamber=FirstCh;iChamber<FirstCh+NumCh;iChamber++){
      if(0!=st && 0==rg && iChamber >18){
        continue;
      }
      sprintf(SpecName,"Chambers__E%d_S%d_R%d_Chamber_%d",ec+1, st+1, rg+1,iChamber);
      theFile->cd(SpecName);
      
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientRechits_inSegment->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].AllSingleHits->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].digiAppearanceCount->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientALCT_dydz->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].InefficientALCT_dydz->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientCLCT_dxdz->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].InefficientCLCT_dxdz->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].InefficientSingleHits->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientRechits_good->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientStrips->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].StripWiresCorrelations->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].NoWires_momTheta->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].NoStrips_momPhi->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].EfficientWireGroups->Write();
      for(unsigned int iLayer = 0; iLayer< 6; iLayer++){
        ChHist[ec][st][rg][iChamber-FirstCh].Y_InefficientRecHits_inSegment[iLayer]->Write();
        ChHist[ec][st][rg][iChamber-FirstCh].Y_EfficientRecHits_inSegment[iLayer]->Write();
            ChHist[ec][st][rg][iChamber-FirstCh].Phi_InefficientRecHits_inSegment[iLayer]->Write();
            ChHist[ec][st][rg][iChamber-FirstCh].Phi_EfficientRecHits_inSegment[iLayer]->Write();
      }
      ChHist[ec][st][rg][iChamber-FirstCh].SimRechits->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].SimSimhits->Write();
      /*
      ChHist[ec][st][rg][iChamber-FirstCh].SimRechits_each->Write();
      ChHist[ec][st][rg][iChamber-FirstCh].SimSimhits_each->Write();
      */
      //
      theFile->cd(SpecName);
      theFile->cd();
    }
      }
    }
  }
  //
  sprintf(SpecName,"AllChambers");
  theFile->mkdir(SpecName);
  theFile->cd(SpecName);
  DataFlow->Write(); 
  TriggersFired->Write();
  ALCTPerEvent->Write();
  CLCTPerEvent->Write();
  recHitsPerEvent->Write();
  segmentsPerEvent->Write();
  //
  theFile->cd(SpecName);
  //---- Close the file
  theFile->Close();
}

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

// ------------ method called once each job just after ending the event loop  ------------
void
CSCEfficiency::endJob() {
}

DEFINE_FWK_MODULE(CSCEfficiency);