CSCHaloAlgo Class Reference

#include <CSCHaloAlgo.h>

Public Member Functions
reco::CSCHaloData	Calculate (const CSCGeometry &TheCSCGeometry, edm::Handle< reco::MuonCollection > &TheCosmicMuons, const edm::Handle< reco::MuonTimeExtraMap > TheCSCTimeMap, edm::Handle< reco::MuonCollection > &TheMuons, edm::Handle< CSCSegmentCollection > &TheCSCSegments, edm::Handle< CSCRecHit2DCollection > &TheCSCRecHits, edm::Handle< L1MuGMTReadoutCollection > &TheL1GMTReadout, edm::Handle< HBHERecHitCollection > &hbhehits, edm::Handle< EcalRecHitCollection > &ecalebhits, edm::Handle< EcalRecHitCollection > &ecaleehits, edm::Handle< edm::TriggerResults > &TheHLTResults, const edm::TriggerNames *triggerNames, const edm::Handle< CSCALCTDigiCollection > &TheALCTs, MuonSegmentMatcher *TheMatcher, const edm::Event &TheEvent, const edm::EventSetup &TheEventSetup)
	CSCHaloAlgo ()
void	SetDetaThreshold (float x)
void	SetDphiThreshold (float x)
void	SetExpectedBX (int x)
void	SetMatchingDEtaThreshold (float x)
void	SetMatchingDPhiThreshold (float x)
void	SetMatchingDWireThreshold (int x)
void	SetMaxDtMuonSegment (float x)
void	SetMaxFreeInverseBeta (float x)
void	SetMaxSegmentPhiDiff (float x)
void	SetMaxSegmentRDiff (float x)
void	SetMaxSegmentTheta (float x)
void	SetMinMaxInnerRadius (float min, float max)
void	SetMinMaxOuterMomentumTheta (float min, float max)
void	SetMinMaxOuterRadius (float min, float max)
void	SetNormChi2Threshold (float x)
void	SetRecHitTime0 (float x)
void	SetRecHitTimeWindow (float x)
	~CSCHaloAlgo ()

Public Attributes
std::vector< edm::InputTag >	vIT_HLTBit

Private Member Functions
bool	ECALSegmentMatching (edm::Handle< EcalRecHitCollection > &rechitcoll, float et_thresh_rh, float dphi_thresh_segvsrh, float dr_lowthresh_segvsrh, float dr_highthresh_segvsrh, float dt_lowthresh_segvsrh, float dt_highthresh_segvsrh, float iZ, float iR, float iT, float iPhi)
math::XYZPoint	getPosition (const DetId &id, reco::Vertex::Point vtx)
bool	HCALSegmentMatching (edm::Handle< HBHERecHitCollection > &rechitcoll, float et_thresh_rh, float dphi_thresh_segvsrh, float dr_lowthresh_segvsrh, float dr_highthresh_segvsrh, float dt_lowthresh_segvsrh, float dt_highthresh_segvsrh, float iZ, float iR, float iT, float iPhi)

Private Attributes
float	deta_threshold
float	dphi_thresh_segvsrh_eb
float	dphi_thresh_segvsrh_ee
float	dphi_thresh_segvsrh_hbhe
float	dphi_threshold
float	dr_highthresh_segvsrh_eb
float	dr_highthresh_segvsrh_ee
float	dr_highthresh_segvsrh_hbhe
float	dr_lowthresh_segvsrh_eb
float	dr_lowthresh_segvsrh_ee
float	dr_lowthresh_segvsrh_hbhe
float	dt_highthresh_segvsrh_eb
float	dt_highthresh_segvsrh_ee
float	dt_highthresh_segvsrh_hbhe
float	dt_lowthresh_segvsrh_eb
float	dt_lowthresh_segvsrh_ee
float	dt_lowthresh_segvsrh_hbhe
float	et_thresh_rh_eb
float	et_thresh_rh_ee
float	et_thresh_rh_hbhe
int	expected_BX
const CaloGeometry *	geo
float	matching_deta_threshold
float	matching_dphi_threshold
int	matching_dwire_threshold
float	max_dt_muon_segment
float	max_free_inverse_beta
float	max_inner_radius
float	max_outer_radius
float	max_outer_theta
float	max_segment_phi_diff
float	max_segment_r_diff
float	max_segment_theta
float	min_inner_radius
float	min_outer_radius
float	min_outer_theta
float	norm_chi2_threshold
float	recHit_t0
float	recHit_twindow

Detailed Description

Definition at line 90 of file CSCHaloAlgo.h.

Constructor & Destructor Documentation

CSCHaloAlgo::CSCHaloAlgo

(

)

Definition at line 17 of file CSCHaloAlgo.cc.

References Pi.

{
  deta_threshold = 0.;
  min_inner_radius = 0.;
  max_inner_radius = 9999.;
  min_outer_radius = 0.;
  max_outer_radius = 9999.;
  dphi_threshold = 999.;
  norm_chi2_threshold = 999.;
  recHit_t0=0.;
  recHit_twindow=25.;
  expected_BX=3;
  max_dt_muon_segment=-10.0;
  max_free_inverse_beta=0.0;
  
  min_outer_theta = 0.;
  max_outer_theta = TMath::Pi();
  
  matching_dphi_threshold = 0.18; //radians
  matching_deta_threshold = 0.4;
  matching_dwire_threshold = 5.;


  et_thresh_rh_hbhe=25; //GeV
  et_thresh_rh_ee=10; 
  et_thresh_rh_eb=10; 

  dphi_thresh_segvsrh_hbhe=0.05; //radians
  dphi_thresh_segvsrh_eb=0.05;
  dphi_thresh_segvsrh_ee=0.05; 

  dr_lowthresh_segvsrh_hbhe=-20; //cm
  dr_lowthresh_segvsrh_eb=-20; 
  dr_lowthresh_segvsrh_ee=-20;

  dr_highthresh_segvsrh_hbhe=20; //cm
  dr_highthresh_segvsrh_eb=20; 
  dr_highthresh_segvsrh_ee=20;

  dt_lowthresh_segvsrh_hbhe=5;//ns
  dt_lowthresh_segvsrh_eb=5;
  dt_lowthresh_segvsrh_ee=5;

  dt_highthresh_segvsrh_hbhe=30;//ns
  dt_highthresh_segvsrh_eb=30;
  dt_highthresh_segvsrh_ee=30;

  geo = 0;


  
}

CSCHaloAlgo::~CSCHaloAlgo ( )

inline

Definition at line 94 of file CSCHaloAlgo.h.

{}

Member Function Documentation

reco::CSCHaloData CSCHaloAlgo::Calculate	(	const CSCGeometry &	TheCSCGeometry,
		edm::Handle< reco::MuonCollection > &	TheCosmicMuons,
		const edm::Handle< reco::MuonTimeExtraMap >	TheCSCTimeMap,
		edm::Handle< reco::MuonCollection > &	TheMuons,
		edm::Handle< CSCSegmentCollection > &	TheCSCSegments,
		edm::Handle< CSCRecHit2DCollection > &	TheCSCRecHits,
		edm::Handle< L1MuGMTReadoutCollection > &	TheL1GMTReadout,
		edm::Handle< HBHERecHitCollection > &	hbhehits,
		edm::Handle< EcalRecHitCollection > &	ecalebhits,
		edm::Handle< EcalRecHitCollection > &	ecaleehits,
		edm::Handle< edm::TriggerResults > &	TheHLTResults,
		const edm::TriggerNames *	triggerNames,
		const edm::Handle< CSCALCTDigiCollection > &	TheALCTs,
		MuonSegmentMatcher *	TheMatcher,
		const edm::Event &	TheEvent,
		const edm::EventSetup &	TheEventSetup
	)

Definition at line 70 of file CSCHaloAlgo.cc.

References funct::abs(), PV3DBase< T, PVType, FrameType >::barePhi(), CSCGeometry::chamber(), chambers, MuonSubdetId::CSC, CSCDetId, reco::deltaPhi(), PV3DBase< T, PVType, FrameType >::eta(), reco::MuonTimeExtra::freeInverseBeta(), edm::EventSetup::get(), reco::CSCHaloData::GetCSCTrackImpactPositions(), reco::CSCHaloData::GetTracks(), CSCGeometry::idToDetUnit(), edm::HandleBase::isValid(), j, PV3DBase< T, PVType, FrameType >::mag2(), MuonSegmentMatcher::matchCSC(), RPCpg::mu, DetId::Muon, PV3DBase< T, PVType, FrameType >::phi(), Pi, edm::ESHandle< class >::product(), edm::RefVector< C, T, F >::push_back(), reco::CSCHaloData::SetHLTBit(), reco::CSCHaloData::SetNFlatHaloSegments(), reco::CSCHaloData::SetNFlatHaloSegments_TrkMuUnVeto(), reco::CSCHaloData::SetNIncomingTracks(), reco::CSCHaloData::SetNOutOfTimeHits(), reco::CSCHaloData::SetNOutOfTimeTriggers(), reco::CSCHaloData::SetNumberOfHaloTriggers(), reco::CSCHaloData::SetNumberOfHaloTriggers_TrkMuUnVeto(), reco::CSCHaloData::SetSegmentIsCaloMatched(), reco::CSCHaloData::SetSegmentIsEBCaloMatched(), reco::CSCHaloData::SetSegmentIsEECaloMatched(), reco::CSCHaloData::SetSegmentIsHCaloMatched(), reco::CSCHaloData::SetSegmentsBothEndcaps(), reco::CSCHaloData::SetSegmentsBothEndcaps_Loose_dTcut_TrkMuUnVeto(), reco::CSCHaloData::SetSegmentsBothEndcaps_Loose_TrkMuUnVeto(), mathSSE::sqrt(), GeomDet::surface(), PV3DBase< T, PVType, FrameType >::theta(), theta(), GeomDet::toGlobal(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

{
  reco::CSCHaloData TheCSCHaloData;
  int imucount=0;
  
  bool calomatched =false;
  bool ECALBmatched =false;
  bool ECALEmatched =false;
  bool HCALmatched =false;

  //  if(!geo){
  geo = 0;
  edm::ESHandle<CaloGeometry> pGeo;
  TheSetup.get<CaloGeometryRecord>().get(pGeo);
  geo = pGeo.product();
  //}
  bool trkmuunvetoisdefault = false; //Pb with low pt tracker muons that veto good csc segments/halo triggers. 
  //Test to "unveto" low pt trk muons. 
  //For now, we just recalculate everything without the veto and add an extra set of variables to the class CSCHaloData. 
  //If this is satisfactory, these variables can become the default ones by setting trkmuunvetoisdefault to true. 
  if( TheCosmicMuons.isValid() )
    {
      short int n_tracks_small_beta=0;
      short int n_tracks_small_dT=0;
      short int n_tracks_small_dT_and_beta=0;
      for( reco::MuonCollection::const_iterator iMuon = TheCosmicMuons->begin() ; iMuon != TheCosmicMuons->end() ; iMuon++, imucount++ )
    {
      reco::TrackRef Track = iMuon->outerTrack();
      if(!Track) continue;

      bool StoreTrack = false;
      // Calculate global phi coordinate for central most rechit in the track
      float innermost_global_z = 1500.;
      float outermost_global_z = 0.;
      GlobalPoint InnerMostGlobalPosition(0.,0.,0.);  // smallest abs(z)
      GlobalPoint OuterMostGlobalPosition(0.,0.,0.);  // largest abs(z)
      int nCSCHits = 0;
      for(unsigned int j = 0 ; j < Track->extra()->recHitsSize(); j++ )
        {
          auto hit = Track->extra()->recHitRef(j);
          if( !hit->isValid() ) continue;
          DetId TheDetUnitId(hit->geographicalId());
          if( TheDetUnitId.det() != DetId::Muon ) continue;
          if( TheDetUnitId.subdetId() != MuonSubdetId::CSC ) continue;

          const GeomDetUnit *TheUnit = TheCSCGeometry.idToDetUnit(TheDetUnitId);
          LocalPoint TheLocalPosition = hit->localPosition();  
          const BoundPlane& TheSurface = TheUnit->surface();
          const GlobalPoint TheGlobalPosition = TheSurface.toGlobal(TheLocalPosition);

          float z = TheGlobalPosition.z();
          if( abs(z) < innermost_global_z )
        {
          innermost_global_z = abs(z);
          InnerMostGlobalPosition = GlobalPoint( TheGlobalPosition);
        }
          if( abs(z) > outermost_global_z )
        {
          outermost_global_z = abs(z);
          OuterMostGlobalPosition = GlobalPoint( TheGlobalPosition );
        }
          nCSCHits ++;
        }

      std::vector<const CSCSegment*> MatchedSegments = TheMatcher->matchCSC(*Track,TheEvent);
      // Find the inner and outer segments separately in case they don't agree completely with recHits
      // Plan for the possibility segments in both endcaps
      float InnerSegmentTime[2] = {0,0};
      float OuterSegmentTime[2] = {0,0};
      float innermost_seg_z[2] = {1500,1500};
      float outermost_seg_z[2] = {0,0};
      for (std::vector<const CSCSegment*>::const_iterator segment =MatchedSegments.begin();
           segment != MatchedSegments.end(); ++segment)
        {
          CSCDetId TheCSCDetId((*segment)->cscDetId());
          const CSCChamber* TheCSCChamber = TheCSCGeometry.chamber(TheCSCDetId);
          LocalPoint TheLocalPosition = (*segment)->localPosition();
          const GlobalPoint TheGlobalPosition = TheCSCChamber->toGlobal(TheLocalPosition);
          float z = TheGlobalPosition.z();
          int TheEndcap = TheCSCDetId.endcap();
          if( abs(z) < innermost_seg_z[TheEndcap-1] )
        {
          innermost_seg_z[TheEndcap-1] = abs(z);
          InnerSegmentTime[TheEndcap-1] = (*segment)->time();
        }
          if( abs(z) > outermost_seg_z[TheEndcap-1] )
        {
          outermost_seg_z[TheEndcap-1] = abs(z);
          OuterSegmentTime[TheEndcap-1] = (*segment)->time();
        }
        }

      if( nCSCHits < 3 ) continue; // This needs to be optimized, but is the minimum 

      float dT_Segment = 0; // default safe value, looks like collision muon
     
      if( innermost_seg_z[0] < outermost_seg_z[0]) // two segments in ME+
        dT_Segment =  OuterSegmentTime[0]-InnerSegmentTime[0];
      if( innermost_seg_z[1] < outermost_seg_z[1]) // two segments in ME-
        {
          // replace the measurement if there weren't segments in ME+ or
          // if the track in ME- has timing more consistent with an incoming particle
          if (dT_Segment == 0.0 ||  OuterSegmentTime[1]-InnerSegmentTime[1] < dT_Segment)
        dT_Segment = OuterSegmentTime[1]-InnerSegmentTime[1] ;
        }

      if( OuterMostGlobalPosition.x() == 0. || OuterMostGlobalPosition.y() == 0. || OuterMostGlobalPosition.z() == 0. ) 
        continue;
      if( InnerMostGlobalPosition.x() == 0. || InnerMostGlobalPosition.y() == 0. || InnerMostGlobalPosition.z() == 0. )
        continue;
      
      //Its a CSC Track,store it if it passes halo selection 
      StoreTrack = true;      

      float deta = abs( OuterMostGlobalPosition.eta() - InnerMostGlobalPosition.eta() );
      float dphi = abs(deltaPhi( OuterMostGlobalPosition.barePhi() , InnerMostGlobalPosition.barePhi() )) ;
      float theta = Track->outerMomentum().theta();
      float innermost_x = InnerMostGlobalPosition.x() ;
      float innermost_y = InnerMostGlobalPosition.y();
      float outermost_x = OuterMostGlobalPosition.x();
      float outermost_y = OuterMostGlobalPosition.y();
      float innermost_r = TMath::Sqrt(innermost_x *innermost_x + innermost_y * innermost_y );
      float outermost_r = TMath::Sqrt(outermost_x *outermost_x + outermost_y * outermost_y );
      
      if( deta < deta_threshold )
        StoreTrack = false;
      if( theta > min_outer_theta && theta < max_outer_theta )
        StoreTrack = false;
      if( dphi > dphi_threshold )
        StoreTrack = false;
      if( innermost_r < min_inner_radius )
        StoreTrack = false;
      if( innermost_r > max_inner_radius )
        StoreTrack = false;
      if( outermost_r < min_outer_radius )
        StoreTrack = false;
      if( outermost_r > max_outer_radius )
        StoreTrack  = false;
      if( Track->normalizedChi2() > norm_chi2_threshold )
        StoreTrack = false;

      if( StoreTrack )
        {
          TheCSCHaloData.GetCSCTrackImpactPositions().push_back( InnerMostGlobalPosition );
          TheCSCHaloData.GetTracks().push_back( Track );
        }

      // Analyze the MuonTimeExtra information
      if( TheCSCTimeMap.isValid() ) 
        {
          reco::MuonRef muonR(TheCosmicMuons,imucount);
          const reco::MuonTimeExtraMap & timeMapCSC = *TheCSCTimeMap;
          reco::MuonTimeExtra timecsc = timeMapCSC[muonR];
          float freeInverseBeta = timecsc.freeInverseBeta();
          
          if (dT_Segment < max_dt_muon_segment )
        n_tracks_small_dT++;
          if (freeInverseBeta < max_free_inverse_beta)
        n_tracks_small_beta++;
          if ((dT_Segment < max_dt_muon_segment) &&  (freeInverseBeta < max_free_inverse_beta))
        n_tracks_small_dT_and_beta++;
        }
      else 
           {
          static std::atomic<bool> MuonTimeFail{false};
              bool expected = false;
          if( MuonTimeFail.compare_exchange_strong(expected,true,std::memory_order_acq_rel) ) 
        {
          edm::LogWarning  ("InvalidInputTag") <<  "The MuonTimeExtraMap does not appear to be in the event. Some beam halo "
                               << " identification variables will be empty" ;
        }
        }
    }
      TheCSCHaloData.SetNIncomingTracks(n_tracks_small_dT,n_tracks_small_beta,n_tracks_small_dT_and_beta);
    }
  else // collection is invalid
    {
      static std::atomic<bool> CosmicFail{false};
      bool expected = false;
      if( CosmicFail.compare_exchange_strong(expected,true,std::memory_order_acq_rel) ) 
    {
      edm::LogWarning  ("InvalidInputTag") << " The Cosmic Muon collection does not appear to be in the event. These beam halo "
                           << " identification variables will be empty" ;
    }
    }


   // Loop over the CSCRecHit2D collection to look for out-of-time recHits
   // Out-of-time is defined as tpeak outside [t_0 + TOF - t_window, t_0 + TOF + t_window]
   // where t_0 and t_window are configurable parameters
   short int n_recHitsP = 0;
   short int n_recHitsM = 0;
   if( TheCSCRecHits.isValid() )
     {
       CSCRecHit2DCollection::const_iterator dRHIter;
       for (dRHIter = TheCSCRecHits->begin(); dRHIter != TheCSCRecHits->end(); dRHIter++) 
     {
       if ( !((*dRHIter).isValid()) ) continue;  // only interested in valid hits
       CSCDetId idrec = (CSCDetId)(*dRHIter).cscDetId();
       float RHTime = (*dRHIter).tpeak();
       LocalPoint rhitlocal = (*dRHIter).localPosition();
       const CSCChamber* chamber = TheCSCGeometry.chamber(idrec);
       GlobalPoint globalPosition = chamber->toGlobal(rhitlocal);
       float globZ = globalPosition.z();
       if ( RHTime < (recHit_t0 - recHit_twindow) )
         {
           if( globZ > 0 )
         n_recHitsP++;
           else
         n_recHitsM++;
         }
       
       /*

       float globX = globalPosition.x();
       float globY = globalPosition.y();
       float globZ = globalPosition.z();
       float TOF = (sqrt(globX*globX+ globY*globY + globZ*globZ))/29.9792458 ; //cm -> ns
       if ( (RHTime < (recHit_t0 + TOF - recHit_twindow)) || (RHTime > (recHit_t0 + TOF + recHit_twindow)) )
         {
           if( globZ > 0 ) 
         n_recHitsP++;
           else
         n_recHitsM++;
         }
       */
     }
     }
   else
     {
       static std::atomic<bool> RecHitFail{false};
       bool expected = false;
       if( RecHitFail.compare_exchange_strong(expected,true,std::memory_order_acq_rel)  ) 
     {
       edm::LogWarning  ("InvalidInputTag") << "The requested CSCRecHit2DCollection does not appear to be in the event. The CSC RecHit "
                        << " variables used for halo identification will not be calculated or stored";
     }       
     }
   TheCSCHaloData.SetNOutOfTimeHits(n_recHitsP+n_recHitsM);
   // MLR
   // Loop through CSCSegments and count the number of "flat" segments with the same (r,phi),
   // saving the value in TheCSCHaloData.
   short int maxNSegments = 0;
   bool plus_endcap = false;
   bool minus_endcap = false;
   bool both_endcaps = false;
   bool both_endcaps_loose = false;
   //   bool both_endcaps_dtcut = false;

   short int maxNSegments_alt = 0;
   bool both_endcaps_alt = false;
   bool both_endcaps_loose_alt = false;
   bool both_endcaps_loose_dtcut_alt = false;

   //float r = 0., phi = 0.;
   if (TheCSCSegments.isValid()) {
     for(CSCSegmentCollection::const_iterator iSegment = TheCSCSegments->begin();
         iSegment != TheCSCSegments->end();
         iSegment++) {

       CSCDetId iCscDetID = iSegment->cscDetId();
       bool Segment1IsGood=true;
       bool Segment1IsGood_alt=true;

       //avoid segments from collision muons
       if( TheMuons.isValid() )
     {
       for(reco::MuonCollection::const_iterator mu = TheMuons->begin(); mu!= TheMuons->end() && (Segment1IsGood||!trkmuunvetoisdefault)   ; mu++ )
         {
           bool  lowpttrackmu=false;
           if( !mu->isTrackerMuon() && !mu->isGlobalMuon() && mu->isStandAloneMuon() ) continue;
           if( !mu->isTrackerMuon() && !mu->isGlobalMuon() && mu->isStandAloneMuon()&&trkmuunvetoisdefault) continue;
           if( !mu->isGlobalMuon() &&  mu->isTrackerMuon() &&  mu->pt()<3) lowpttrackmu=true;
           const std::vector<MuonChamberMatch> chambers = mu->matches();
           for(std::vector<MuonChamberMatch>::const_iterator kChamber = chambers.begin();
           kChamber != chambers.end(); kChamber ++ )
         {
           if( kChamber->detector() != MuonSubdetId::CSC ) continue;
           for( std::vector<reco::MuonSegmentMatch>::const_iterator kSegment = kChamber->segmentMatches.begin();
            kSegment != kChamber->segmentMatches.end(); kSegment++ )
             {
               edm::Ref<CSCSegmentCollection> cscSegRef = kSegment->cscSegmentRef;
               CSCDetId kCscDetID = cscSegRef->cscDetId();
               
               if( kCscDetID == iCscDetID ) 
             {
               Segment1IsGood = false;
               if(!lowpttrackmu) Segment1IsGood_alt=false;
             }
             }
         }
         }
     }
       if(!Segment1IsGood&&!Segment1IsGood_alt) continue;
       
       // Get local direction vector; if direction runs parallel to beamline,
       // count this segment as beam halo candidate.
       LocalPoint iLocalPosition = iSegment->localPosition();
       LocalVector iLocalDirection = iSegment->localDirection();

       GlobalPoint iGlobalPosition = TheCSCGeometry.chamber(iCscDetID)->toGlobal(iLocalPosition);
       GlobalVector iGlobalDirection = TheCSCGeometry.chamber(iCscDetID)->toGlobal(iLocalDirection);

       float iTheta = iGlobalDirection.theta();
       if (iTheta > max_segment_theta && iTheta < TMath::Pi() - max_segment_theta) continue;
       
       float iPhi = iGlobalPosition.phi();
       float iR =  TMath::Sqrt(iGlobalPosition.x()*iGlobalPosition.x() + iGlobalPosition.y()*iGlobalPosition.y());
       float iZ = iGlobalPosition.z();
       float iT = iSegment->time();

       //       if(abs(iZ)<650&& TheEvent.id().run()< 251737) iT-= 25; 
       //Calo matching:

       bool hbhematched = HCALSegmentMatching(hbhehits,et_thresh_rh_hbhe,dphi_thresh_segvsrh_hbhe,dr_lowthresh_segvsrh_hbhe,dr_highthresh_segvsrh_hbhe,dt_lowthresh_segvsrh_hbhe,dt_highthresh_segvsrh_hbhe,iZ,iR,iT,iPhi);
       bool ebmatched = ECALSegmentMatching(ecalebhits,et_thresh_rh_eb,dphi_thresh_segvsrh_eb,dr_lowthresh_segvsrh_eb,dr_highthresh_segvsrh_eb,dt_lowthresh_segvsrh_eb,dt_highthresh_segvsrh_eb,iZ,iR,iT,iPhi);
       bool eematched = ECALSegmentMatching(ecaleehits,et_thresh_rh_ee,dphi_thresh_segvsrh_ee,dr_lowthresh_segvsrh_ee,dr_highthresh_segvsrh_ee,dt_lowthresh_segvsrh_ee,dt_highthresh_segvsrh_ee,iZ,iR,iT,iPhi); 
       calomatched  |= (hbhematched || ebmatched || eematched);
       HCALmatched  |= hbhematched;
       ECALBmatched |= ebmatched;
       ECALEmatched |= eematched;

       short int nSegs = 0;
       short int nSegs_alt = 0;
       // Changed to loop over all Segments (so N^2) to catch as many segments as possible.
       for (CSCSegmentCollection::const_iterator jSegment = TheCSCSegments->begin();
         jSegment != TheCSCSegments->end();
         jSegment++) {
     if (jSegment == iSegment) continue;
     bool Segment2IsGood = true;
     bool Segment2IsGood_alt = true;
     LocalPoint jLocalPosition = jSegment->localPosition();
     LocalVector jLocalDirection = jSegment->localDirection();
     CSCDetId jCscDetID = jSegment->cscDetId();
     GlobalPoint jGlobalPosition = TheCSCGeometry.chamber(jCscDetID)->toGlobal(jLocalPosition);
     GlobalVector jGlobalDirection = TheCSCGeometry.chamber(jCscDetID)->toGlobal(jLocalDirection);
     float jTheta = jGlobalDirection.theta();
     float jPhi = jGlobalPosition.phi();
     float jR =  TMath::Sqrt(jGlobalPosition.x()*jGlobalPosition.x() + jGlobalPosition.y()*jGlobalPosition.y());
     float jZ = jGlobalPosition.z() ;
     float jT = jSegment->time();
     //  if(abs(jZ)<650&& TheEvent.id().run() < 251737)jT-= 25;
     if (  std::abs(deltaPhi(jPhi , iPhi)) <=max_segment_phi_diff
           && ( std::abs(jR - iR) <0.05*std::abs(jZ - iZ)||  jZ*iZ>0 )
           && ( (jR - iR) >-0.02*std::abs(jZ - iZ) || iT>jT ||  jZ*iZ>0)
           && ( (iR - jR) >-0.02*std::abs(jZ - iZ) || iT<jT ||  jZ*iZ>0)
           && (std::abs(jR - iR) <= max_segment_r_diff ||  jZ*iZ < 0)
           && (jTheta < max_segment_theta || jTheta > TMath::Pi() - max_segment_theta)) {
       if( TheMuons.isValid() ) {
         for(reco::MuonCollection::const_iterator mu = TheMuons->begin(); mu!= TheMuons->end()  && (Segment2IsGood||!trkmuunvetoisdefault) ; mu++ ) {
           bool  lowpttrackmu=false;
           if( !mu->isTrackerMuon() && !mu->isGlobalMuon() && mu->isStandAloneMuon() ) continue;
           if( !mu->isGlobalMuon() &&  mu->isTrackerMuon() &&  mu->pt()<3) lowpttrackmu= true;
           const std::vector<MuonChamberMatch> chambers = mu->matches();
           for(std::vector<MuonChamberMatch>::const_iterator kChamber = chambers.begin();
           kChamber != chambers.end(); kChamber ++ ) {
         if( kChamber->detector() != MuonSubdetId::CSC ) continue;
         for( std::vector<reco::MuonSegmentMatch>::const_iterator kSegment = kChamber->segmentMatches.begin();
              kSegment != kChamber->segmentMatches.end(); kSegment++ ) {
           edm::Ref<CSCSegmentCollection> cscSegRef = kSegment->cscSegmentRef;
           CSCDetId kCscDetID = cscSegRef->cscDetId();
           
           if( kCscDetID == jCscDetID ) {
             Segment2IsGood = false;
             if(!lowpttrackmu) Segment2IsGood_alt=false;
           }
         }
           }
         }
       }   
       if(Segment1IsGood && Segment2IsGood) {
         nSegs++;
         minus_endcap = iGlobalPosition.z() < 0 || jGlobalPosition.z() < 0;
         plus_endcap = iGlobalPosition.z() > 0 || jGlobalPosition.z() > 0;
         //      if( abs(jT-iT)/sqrt( (jR-iR)*(jR-iR)+(jZ-iZ)*(jZ-iZ) )<0.05 && abs(jT-iT)/sqrt( (jR-iR)*(jR-iR)+(jZ-iZ)*(jZ-iZ) )>0.02 && minus_endcap&&plus_endcap ) both_endcaps_dtcut =true;
       }
       if(Segment1IsGood_alt && Segment2IsGood_alt) {
             nSegs_alt++;
             minus_endcap = iGlobalPosition.z() < 0 || jGlobalPosition.z() < 0;
             plus_endcap = iGlobalPosition.z() > 0 || jGlobalPosition.z() > 0;
         double iTBX = iT+sqrt(iGlobalPosition.mag2())/c_cm_per_ns;
         double jTBX = jT+sqrt(jGlobalPosition.mag2())/c_cm_per_ns;
         double truedt = (iTBX>jTBX)? iTBX-jTBX-std::abs(iZ-jZ)/c_cm_per_ns :  jTBX-iTBX-std::abs(iZ-jZ)/c_cm_per_ns;
             if( 
        std::abs(truedt)<15 &&
        (iT>-15 || jT>-15)&&
        minus_endcap&&plus_endcap ) both_endcaps_loose_dtcut_alt =true;
           }
       
     }
       }
       // Correct the fact that the way nSegs counts will always be short by 1
       if (nSegs > 0) nSegs++;
       
       // The opposite endcaps segments do not need to belong to the longest chain. 
       if (nSegs > 0) both_endcaps_loose =  both_endcaps_loose ? both_endcaps_loose : minus_endcap && plus_endcap;
       if (nSegs_alt > 0) nSegs_alt++;
       if (nSegs_alt > 0) both_endcaps_loose_alt =  both_endcaps_loose_alt ? both_endcaps_loose_alt : minus_endcap && plus_endcap;

       //       if (nSegs > 0) both_endcaps_dt20ns = both_endcaps_dt20ns ? both_endcaps_dt20ns : minus_endcap && plus_endcap &&dt20ns;
       if (nSegs > maxNSegments) {
     // Use value of r, phi to collect halo CSCSegments for examining timing (not coded yet...)
     //r = iR;
     //phi = iPhi;
     maxNSegments = nSegs;
     both_endcaps = both_endcaps ? both_endcaps : minus_endcap && plus_endcap;
       }
      
       if (nSegs_alt > maxNSegments_alt) {
         maxNSegments_alt = nSegs_alt;
         both_endcaps_alt = both_endcaps_alt ? both_endcaps_alt : minus_endcap && plus_endcap;
       }
 
     }
   }

   //Deprecated methods, kept for backward compatibility                                                                                                                                                     
   TheCSCHaloData.SetHLTBit(false);
   TheCSCHaloData.SetNumberOfHaloTriggers(0,0);
   TheCSCHaloData.SetNumberOfHaloTriggers_TrkMuUnVeto(0,0);
   TheCSCHaloData.SetNOutOfTimeTriggers(0,0);

   //Current methods used
   TheCSCHaloData.SetNFlatHaloSegments(maxNSegments);
   TheCSCHaloData.SetSegmentsBothEndcaps(both_endcaps);
   TheCSCHaloData.SetNFlatHaloSegments_TrkMuUnVeto(maxNSegments_alt);
   TheCSCHaloData.SetSegmentsBothEndcaps_Loose_TrkMuUnVeto(both_endcaps_loose_alt);
   TheCSCHaloData.SetSegmentsBothEndcaps_Loose_dTcut_TrkMuUnVeto(both_endcaps_loose_dtcut_alt);
   TheCSCHaloData.SetSegmentIsCaloMatched(calomatched);
   TheCSCHaloData.SetSegmentIsHCaloMatched(HCALmatched);
   TheCSCHaloData.SetSegmentIsEBCaloMatched(ECALBmatched);
   TheCSCHaloData.SetSegmentIsEECaloMatched(ECALEmatched);
   
   return TheCSCHaloData;
}

bool CSCHaloAlgo::ECALSegmentMatching ( edm::Handle< EcalRecHitCollection > &  rechitcoll, float  et_thresh_rh, float  dphi_thresh_segvsrh, float  dr_lowthresh_segvsrh, float  dr_highthresh_segvsrh, float  dt_lowthresh_segvsrh, float  dt_highthresh_segvsrh, float  iZ, float  iR, float  iT, float  iPhi  )

private

Definition at line 551 of file CSCHaloAlgo.cc.

References funct::abs(), reco::deltaPhi(), EcalRecHit::energy(), EcalRecHit::id(), mathSSE::sqrt(), and EcalRecHit::time().

                                                                                                                                                                                                                                                                                            {
  reco::Vertex::Point vtx(0,0,0);
  for(size_t ihit = 0; ihit<rechitcoll->size(); ++ ihit){
    const EcalRecHit & rechit = (*rechitcoll)[ ihit ];
    math::XYZPoint rhpos = getPosition(rechit.id(),vtx);
    double rhet = rechit.energy()/cosh(rhpos.eta());
    double dphi_rhseg = abs(deltaPhi(rhpos.phi(),iPhi));
    double dr_rhseg = sqrt(rhpos.x()*rhpos.x()+rhpos.y()*rhpos.y()) - iR;
    double dtcorr_rhseg = rechit.time()- abs(rhpos.z()-iZ)/30- iT; 
    if( 
       ( rechit.time()<-1)&&
       (rhpos.z()*iZ<0|| abs(rhpos.z())<200)&&
       rhet> et_thresh_rh&&
       dphi_rhseg < dphi_thresh_segvsrh &&
       dr_rhseg < dr_highthresh_segvsrh && dr_rhseg> dr_lowthresh_segvsrh && //careful: asymmetric cut might not be the most appropriate thing 
       dtcorr_rhseg> dt_lowthresh_segvsrh && dtcorr_rhseg< dr_highthresh_segvsrh
       ) return true; 
  }
  return false;
}

math::XYZPoint CSCHaloAlgo::getPosition ( const DetId &  id, reco::Vertex::Point  vtx  )

private

Definition at line 522 of file CSCHaloAlgo.cc.

References PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                         {

  const GlobalPoint& pos=geo->getPosition(id);
  math::XYZPoint posV(pos.x() - vtx.x(),pos.y() - vtx.y(),pos.z() - vtx.z());
  return posV;
}

bool CSCHaloAlgo::HCALSegmentMatching ( edm::Handle< HBHERecHitCollection > &  rechitcoll, float  et_thresh_rh, float  dphi_thresh_segvsrh, float  dr_lowthresh_segvsrh, float  dr_highthresh_segvsrh, float  dt_lowthresh_segvsrh, float  dt_highthresh_segvsrh, float  iZ, float  iR, float  iT, float  iPhi  )

private

Definition at line 530 of file CSCHaloAlgo.cc.

References funct::abs(), reco::deltaPhi(), CaloRecHit::energy(), HBHERecHit::id(), mathSSE::sqrt(), and CaloRecHit::time().

                                                                                                                                                                                                                                                                                           {
  reco::Vertex::Point vtx(0,0,0);
  for(size_t ihit = 0; ihit< rechitcoll->size(); ++ ihit){
    const HBHERecHit & rechit = (*rechitcoll)[ ihit ];
    math::XYZPoint rhpos = getPosition(rechit.id(),vtx);
    double rhet = rechit.energy()/cosh(rhpos.eta());
    double dphi_rhseg = abs(deltaPhi(rhpos.phi(),iPhi));
    double dr_rhseg = sqrt(rhpos.x()*rhpos.x()+rhpos.y()*rhpos.y()) - iR;
    double dtcorr_rhseg = rechit.time()- abs(rhpos.z()-iZ)/30- iT; 
    if(
       (rechit.time()<-3)&&
       (rhpos.z()*iZ<0|| abs(rhpos.z())<200)&&
       rhet> et_thresh_rh&&
       dphi_rhseg < dphi_thresh_segvsrh &&
       dr_rhseg < dr_highthresh_segvsrh && dr_rhseg> dr_lowthresh_segvsrh && //careful: asymmetric cut might not be the most appropriate thing 
       dtcorr_rhseg> dt_lowthresh_segvsrh && dtcorr_rhseg< dt_highthresh_segvsrh
      ) return true; 
  }
  return false;
}

void CSCHaloAlgo::SetDetaThreshold ( float  x )

inline

Definition at line 107 of file CSCHaloAlgo.h.

References deta_threshold, and x.

{ deta_threshold = x;}

void CSCHaloAlgo::SetDphiThreshold ( float  x )

inline

Definition at line 110 of file CSCHaloAlgo.h.

References dphi_threshold, and x.

{ dphi_threshold = x;}

void CSCHaloAlgo::SetExpectedBX ( int  x )

inline

Definition at line 114 of file CSCHaloAlgo.h.

References expected_BX, and x.

{ expected_BX = x ;}

void CSCHaloAlgo::SetMatchingDEtaThreshold ( float  x )

inline

Definition at line 117 of file CSCHaloAlgo.h.

References matching_deta_threshold, and x.

{ matching_deta_threshold = x;}

void CSCHaloAlgo::SetMatchingDPhiThreshold ( float  x )

inline

Definition at line 116 of file CSCHaloAlgo.h.

References matching_dphi_threshold, and x.

{ matching_dphi_threshold = x;}

void CSCHaloAlgo::SetMatchingDWireThreshold ( int  x )

inline

Definition at line 118 of file CSCHaloAlgo.h.

References matching_dwire_threshold, and x.

{ matching_dwire_threshold = x;}

void CSCHaloAlgo::SetMaxDtMuonSegment ( float  x )

inline

Definition at line 119 of file CSCHaloAlgo.h.

References max_dt_muon_segment, and x.

{ max_dt_muon_segment = x;}

void CSCHaloAlgo::SetMaxFreeInverseBeta ( float  x )

inline

Definition at line 120 of file CSCHaloAlgo.h.

References max_free_inverse_beta, and x.

{ max_free_inverse_beta = x;}

void CSCHaloAlgo::SetMaxSegmentPhiDiff ( float  x )

inline

Definition at line 124 of file CSCHaloAlgo.h.

References max_segment_phi_diff, and x.

{ max_segment_phi_diff = x; }

void CSCHaloAlgo::SetMaxSegmentRDiff ( float  x )

inline

Definition at line 123 of file CSCHaloAlgo.h.

References max_segment_r_diff, and x.

{ max_segment_r_diff = x; }

void CSCHaloAlgo::SetMaxSegmentTheta ( float  x )

inline

Definition at line 125 of file CSCHaloAlgo.h.

References max_segment_theta, and x.

{ max_segment_theta = x; }

void CSCHaloAlgo::SetMinMaxInnerRadius ( float  min, float  max  )

inline

Definition at line 108 of file CSCHaloAlgo.h.

References bookConverter::max, max_inner_radius, min(), and min_inner_radius.

{ min_inner_radius = min; max_inner_radius = max;}

void CSCHaloAlgo::SetMinMaxOuterMomentumTheta ( float  min, float  max  )

inline

Definition at line 115 of file CSCHaloAlgo.h.

References bookConverter::max, max_outer_theta, min(), and min_outer_theta.

{ min_outer_theta = min;  max_outer_theta = max;}

void CSCHaloAlgo::SetMinMaxOuterRadius ( float  min, float  max  )

inline

Definition at line 109 of file CSCHaloAlgo.h.

References bookConverter::max, max_outer_radius, min(), and min_outer_radius.

{ min_outer_radius = min; max_outer_radius = max;}

void CSCHaloAlgo::SetNormChi2Threshold ( float  x )

inline

Definition at line 111 of file CSCHaloAlgo.h.

References norm_chi2_threshold, and x.

{ norm_chi2_threshold = x;}

void CSCHaloAlgo::SetRecHitTime0 ( float  x )

inline

Definition at line 112 of file CSCHaloAlgo.h.

References recHit_t0, and x.

{ recHit_t0 = x;}

void CSCHaloAlgo::SetRecHitTimeWindow ( float  x )

inline

Definition at line 113 of file CSCHaloAlgo.h.

References recHit_twindow, and x.

{ recHit_twindow = x; }

Member Data Documentation

float CSCHaloAlgo::deta_threshold

private

Definition at line 129 of file CSCHaloAlgo.h.

Referenced by SetDetaThreshold().

float CSCHaloAlgo::dphi_thresh_segvsrh_eb

private

Definition at line 152 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dphi_thresh_segvsrh_ee

private

Definition at line 153 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dphi_thresh_segvsrh_hbhe

private

Definition at line 151 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dphi_threshold

private

Definition at line 136 of file CSCHaloAlgo.h.

Referenced by SetDphiThreshold().

float CSCHaloAlgo::dr_highthresh_segvsrh_eb

private

Definition at line 152 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dr_highthresh_segvsrh_ee

private

Definition at line 153 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dr_highthresh_segvsrh_hbhe

private

Definition at line 151 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dr_lowthresh_segvsrh_eb

private

Definition at line 152 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dr_lowthresh_segvsrh_ee

private

Definition at line 153 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dr_lowthresh_segvsrh_hbhe

private

Definition at line 151 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dt_highthresh_segvsrh_eb

private

Definition at line 152 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dt_highthresh_segvsrh_ee

private

Definition at line 153 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dt_highthresh_segvsrh_hbhe

private

Definition at line 151 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dt_lowthresh_segvsrh_eb

private

Definition at line 152 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dt_lowthresh_segvsrh_ee

private

Definition at line 153 of file CSCHaloAlgo.h.

float CSCHaloAlgo::dt_lowthresh_segvsrh_hbhe

private

Definition at line 151 of file CSCHaloAlgo.h.

float CSCHaloAlgo::et_thresh_rh_eb

private

Definition at line 152 of file CSCHaloAlgo.h.

float CSCHaloAlgo::et_thresh_rh_ee

private

Definition at line 153 of file CSCHaloAlgo.h.

float CSCHaloAlgo::et_thresh_rh_hbhe

private

Definition at line 151 of file CSCHaloAlgo.h.

int CSCHaloAlgo::expected_BX

private

Definition at line 140 of file CSCHaloAlgo.h.

Referenced by SetExpectedBX().

const CaloGeometry* CSCHaloAlgo::geo

private

Definition at line 157 of file CSCHaloAlgo.h.

float CSCHaloAlgo::matching_deta_threshold

private

Definition at line 142 of file CSCHaloAlgo.h.

Referenced by SetMatchingDEtaThreshold().

float CSCHaloAlgo::matching_dphi_threshold

private

Definition at line 141 of file CSCHaloAlgo.h.

Referenced by SetMatchingDPhiThreshold().

int CSCHaloAlgo::matching_dwire_threshold

private

Definition at line 143 of file CSCHaloAlgo.h.

Referenced by SetMatchingDWireThreshold().

float CSCHaloAlgo::max_dt_muon_segment

private

Definition at line 144 of file CSCHaloAlgo.h.

Referenced by SetMaxDtMuonSegment().

float CSCHaloAlgo::max_free_inverse_beta

private

Definition at line 145 of file CSCHaloAlgo.h.

Referenced by SetMaxFreeInverseBeta().

float CSCHaloAlgo::max_inner_radius

private

Definition at line 133 of file CSCHaloAlgo.h.

Referenced by SetMinMaxInnerRadius().

float CSCHaloAlgo::max_outer_radius

private

Definition at line 135 of file CSCHaloAlgo.h.

Referenced by SetMinMaxOuterRadius().

float CSCHaloAlgo::max_outer_theta

private

Definition at line 130 of file CSCHaloAlgo.h.

Referenced by SetMinMaxOuterMomentumTheta().

float CSCHaloAlgo::max_segment_phi_diff

private

Definition at line 148 of file CSCHaloAlgo.h.

Referenced by SetMaxSegmentPhiDiff().

float CSCHaloAlgo::max_segment_r_diff

private

Definition at line 147 of file CSCHaloAlgo.h.

Referenced by SetMaxSegmentRDiff().

float CSCHaloAlgo::max_segment_theta

private

Definition at line 149 of file CSCHaloAlgo.h.

Referenced by SetMaxSegmentTheta().

float CSCHaloAlgo::min_inner_radius

private

Definition at line 132 of file CSCHaloAlgo.h.

Referenced by SetMinMaxInnerRadius().

float CSCHaloAlgo::min_outer_radius

private

Definition at line 134 of file CSCHaloAlgo.h.

Referenced by SetMinMaxOuterRadius().

float CSCHaloAlgo::min_outer_theta

private

Definition at line 131 of file CSCHaloAlgo.h.

Referenced by SetMinMaxOuterMomentumTheta().

float CSCHaloAlgo::norm_chi2_threshold

private

Definition at line 137 of file CSCHaloAlgo.h.

Referenced by SetNormChi2Threshold().

float CSCHaloAlgo::recHit_t0

private

Definition at line 138 of file CSCHaloAlgo.h.

Referenced by SetRecHitTime0().

float CSCHaloAlgo::recHit_twindow

private

Definition at line 139 of file CSCHaloAlgo.h.

Referenced by SetRecHitTimeWindow().

std::vector<edm::InputTag> CSCHaloAlgo::vIT_HLTBit

Definition at line 105 of file CSCHaloAlgo.h.