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#include <CSCHaloAlgo.h>
Definition at line 80 of file CSCHaloAlgo.h.
| CSCHaloAlgo::CSCHaloAlgo | ( | ) |
Definition at line 14 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=200;
recHit_twindow=500;
expected_BX=3;
min_outer_theta = 0.;
max_outer_theta = TMath::Pi();
matching_dphi_threshold = 0.18; //radians
matching_deta_threshold = 0.4;
matching_dwire_threshold = 5.;
}
| CSCHaloAlgo::~CSCHaloAlgo | ( | ) | [inline] |
Definition at line 84 of file CSCHaloAlgo.h.
{}
| reco::CSCHaloData CSCHaloAlgo::Calculate | ( | const CSCGeometry & | TheCSCGeometry, |
| edm::Handle< reco::TrackCollection > & | TheCSCTracks, | ||
| edm::Handle< reco::MuonCollection > & | TheMuons, | ||
| edm::Handle< CSCSegmentCollection > & | TheCSCSegments, | ||
| edm::Handle< CSCRecHit2DCollection > & | TheCSCRecHits, | ||
| edm::Handle< L1MuGMTReadoutCollection > & | TheL1GMTReadout, | ||
| edm::Handle< edm::TriggerResults > & | TheHLTResults, | ||
| const edm::TriggerNames * | triggerNames, | ||
| const edm::Handle< CSCALCTDigiCollection > & | TheALCTs | ||
| ) |
Definition at line 35 of file CSCHaloAlgo.cc.
References CSCGeometry::chamber(), chambers, CSC(), CSCDetId, CSCDetId::endcap(), PV3DBase< T, PVType, FrameType >::eta(), reco::CSCHaloData::GetCSCTrackImpactPositions(), L1MuGMTReadoutCollection::getRecords(), reco::CSCHaloData::GetTracks(), CSCGeometry::idToDetUnit(), getHLTprescales::index, edm::HandleBase::isValid(), j, label, DetId::Muon, PV3DBase< T, PVType, FrameType >::phi(), Pi, edm::Handle< T >::product(), edm::RefVector< C, T, F >::push_back(), reco::CSCHaloData::SetHLTBit(), reco::CSCHaloData::SetNOutOfTimeHits(), reco::CSCHaloData::SetNOutOfTimeTriggers(), reco::CSCHaloData::SetNumberOfHaloTriggers(), findQualityFiles::size, GeomDet::surface(), theta(), Surface::toGlobal(), GeomDet::toGlobal(), edm::TriggerNames::triggerIndex(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), PV3DBase< T, PVType, FrameType >::z(), and z.
{
reco::CSCHaloData TheCSCHaloData;
if( TheCSCTracks.isValid() )
{
for( reco::TrackCollection::const_iterator iTrack = TheCSCTracks->begin() ; iTrack != TheCSCTracks->end() ; iTrack++ )
{
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 < iTrack->extra()->recHits().size(); j++ )
{
edm::Ref<TrackingRecHitCollection> hit( iTrack->extra()->recHits(), 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( TMath::Abs(z) < innermost_global_z )
{
innermost_global_z = TMath::Abs(z);
InnerMostGlobalPosition = GlobalPoint( TheGlobalPosition);
}
if( TMath::Abs(z) > outermost_global_z )
{
outermost_global_z = TMath::Abs(z);
OuterMostGlobalPosition = GlobalPoint( TheGlobalPosition );
}
nCSCHits ++;
}
if( nCSCHits < 3 ) continue; // This needs to be optimized, but is the minimum
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 = TMath::Abs( OuterMostGlobalPosition.eta() - InnerMostGlobalPosition.eta() );
float dphi = TMath::ACos( TMath::Cos( OuterMostGlobalPosition.phi() - InnerMostGlobalPosition.phi() ) ) ;
float theta = iTrack->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( iTrack->normalizedChi2() > norm_chi2_threshold )
StoreTrack = false;
if( StoreTrack )
{
TheCSCHaloData.GetCSCTrackImpactPositions().push_back( InnerMostGlobalPosition );
edm::Ref<TrackCollection> TheTrackRef( TheCSCTracks, iTrack - TheCSCTracks->begin() ) ;
TheCSCHaloData.GetTracks().push_back( TheTrackRef );
}
}
}
if( TheHLTResults.isValid() )
{
bool EventPasses = false;
for( unsigned int index = 0 ; index < vIT_HLTBit.size(); index++)
{
if( vIT_HLTBit[index].label().size() )
{
//Get the HLT bit and check to make sure it is valid
unsigned int bit = triggerNames->triggerIndex( vIT_HLTBit[index].label().c_str());
if( bit < TheHLTResults->size() )
{
//If any of the HLT names given by the user accept, then the event passes
if( TheHLTResults->accept( bit ) && !TheHLTResults->error( bit ) )
{
EventPasses = true;
}
}
}
}
if( EventPasses )
TheCSCHaloData.SetHLTBit(true);
else
TheCSCHaloData.SetHLTBit(false);
}
if( TheL1GMTReadout.isValid() )
{
L1MuGMTReadoutCollection const *gmtrc = TheL1GMTReadout.product ();
std::vector < L1MuGMTReadoutRecord > gmt_records = gmtrc->getRecords ();
std::vector < L1MuGMTReadoutRecord >::const_iterator igmtrr;
int icsc = 0;
int PlusZ = 0 ;
int MinusZ = 0 ;
// Check to see if CSC BeamHalo trigger is tripped
for (igmtrr = gmt_records.begin (); igmtrr != gmt_records.end (); igmtrr++)
{
std::vector < L1MuRegionalCand >::const_iterator iter1;
std::vector < L1MuRegionalCand > rmc;
rmc = igmtrr->getCSCCands ();
for (iter1 = rmc.begin (); iter1 != rmc.end (); iter1++)
{
if (!(*iter1).empty ())
{
if ((*iter1).isFineHalo ())
{
float halophi = iter1->phiValue();
halophi = halophi > TMath::Pi() ? halophi - 2.*TMath::Pi() : halophi;
float haloeta = iter1->etaValue();
bool HaloIsGood = true;
// Check if halo trigger is faked by any collision muons
if( TheMuons.isValid() )
{
float dphi = 9999.;
float deta = 9999.;
for( reco::MuonCollection::const_iterator mu = TheMuons->begin(); mu != TheMuons->end() && HaloIsGood ; mu++ )
{
// Don't match with SA-only muons
if( mu->isStandAloneMuon() && !mu->isTrackerMuon() && !mu->isGlobalMuon() ) continue;
/*
if(!mu->isTrackerMuon())
{
if( mu->isStandAloneMuon() )
{
//make sure that this SA muon is not actually a halo-like muon
float theta = mu->outerTrack()->outerMomentum().theta();
float deta = TMath::Abs(mu->outerTrack()->outerPosition().eta() - mu->outerTrack()->innerPosition().eta());
if( theta < min_outer_theta || theta > max_outer_theta ) //halo-like
continue;
else if ( deta > deta_threshold ) //halo-like
continue;
}
}
*/
const std::vector<MuonChamberMatch> chambers = mu->matches();
for(std::vector<MuonChamberMatch>::const_iterator iChamber = chambers.begin();
iChamber != chambers.end() ; iChamber ++ )
{
if( iChamber->detector() != MuonSubdetId::CSC ) continue;
for( std::vector<reco::MuonSegmentMatch>::const_iterator iSegment = iChamber->segmentMatches.begin() ;
iSegment != iChamber->segmentMatches.end(); ++iSegment )
{
edm::Ref<CSCSegmentCollection> cscSegment = iSegment->cscSegmentRef;
std::vector<CSCRecHit2D> hits = cscSegment -> specificRecHits();
for( std::vector<CSCRecHit2D>::iterator iHit = hits.begin();
iHit != hits.end() ; iHit++ )
{
DetId TheDetUnitId(iHit->cscDetId());
const GeomDetUnit *TheUnit = TheCSCGeometry.idToDetUnit(TheDetUnitId);
LocalPoint TheLocalPosition = iHit->localPosition();
const BoundPlane& TheSurface = TheUnit->surface();
GlobalPoint TheGlobalPosition = TheSurface.toGlobal(TheLocalPosition);
float phi_ = TheGlobalPosition.phi();
float eta_ = TheGlobalPosition.eta();
deta = deta < TMath::Abs( eta_ - haloeta ) ? deta : TMath::Abs( eta_ - haloeta );
dphi = dphi < TMath::Abs( phi_ - halophi ) ? dphi : TMath::Abs( phi_ - halophi );
}
}
}
if ( dphi < matching_dphi_threshold && deta < matching_deta_threshold)
HaloIsGood = false; // i.e., collision muon likely faked halo trigger
}
}
if( !HaloIsGood )
continue;
if( (*iter1).etaValue() > 0 )
PlusZ++;
else
MinusZ++;
}
else
icsc++;
}
}
}
TheCSCHaloData.SetNumberOfHaloTriggers(PlusZ, MinusZ);
}
// Loop over CSCALCTDigi collection to look for out-of-time chamber triggers
// A collision muon in real data should only have ALCTDigi::getBX() = 3 ( in MC, it will be 6 )
// Note that there could be two ALCTs per chamber
short int n_alctsP=0;
short int n_alctsM=0;
if(TheALCTs.isValid())
{
for (CSCALCTDigiCollection::DigiRangeIterator j=TheALCTs->begin(); j!=TheALCTs->end(); j++)
{
const CSCALCTDigiCollection::Range& range =(*j).second;
CSCDetId detId((*j).first.rawId());
for (CSCALCTDigiCollection::const_iterator digiIt = range.first; digiIt!=range.second; ++digiIt)
{
if( (*digiIt).isValid() && ( (*digiIt).getBX() < expected_BX ) )
{
int digi_endcap = detId.endcap();
int digi_station = detId.station();
int digi_ring = detId.ring();
int digi_chamber = detId.chamber();
int digi_wire = digiIt->getKeyWG();
if( digi_station == 1 && digi_ring == 4 ) //hack
digi_ring = 1;
bool DigiIsGood = true;
int dwire = 999.;
if( TheMuons.isValid() )
{
//Check if there are any collision muons with hits in the vicinity of the digi
for(reco::MuonCollection::const_iterator mu = TheMuons->begin(); mu!= TheMuons->end() && DigiIsGood ; mu++ )
{
if( !mu->isTrackerMuon() && !mu->isGlobalMuon() && mu->isStandAloneMuon() ) continue;
/*
if(!mu->isTrackerMuon())
{
if( mu->isStandAloneMuon() )
{
//make sure that this SA muon is not actually a halo-like muon
float theta = mu->outerTrack()->outerMomentum().theta();
float deta = TMath::Abs(mu->outerTrack()->outerPosition().eta() - mu->outerTrack()->innerPosition().eta());
if( theta < min_outer_theta || theta > max_outer_theta ) //halo-like
continue;
else if ( deta > deta_threshold ) //halo-like
continue;
}
}
*/
const std::vector<MuonChamberMatch> chambers = mu->matches();
for(std::vector<MuonChamberMatch>::const_iterator iChamber = chambers.begin();
iChamber != chambers.end(); iChamber ++ )
{
if( iChamber->detector() != MuonSubdetId::CSC ) continue;
for( std::vector<reco::MuonSegmentMatch>::const_iterator iSegment = iChamber->segmentMatches.begin();
iSegment != iChamber->segmentMatches.end(); iSegment++ )
{
edm::Ref<CSCSegmentCollection> cscSegRef = iSegment->cscSegmentRef;
std::vector<CSCRecHit2D> hits = cscSegRef->specificRecHits();
for( std::vector<CSCRecHit2D>::iterator iHit = hits.begin();
iHit != hits.end(); iHit++ )
{
if( iHit->cscDetId().endcap() != digi_endcap ) continue;
if( iHit->cscDetId().station() != digi_station ) continue;
if( iHit->cscDetId().ring() != digi_ring ) continue;
if( iHit->cscDetId().chamber() != digi_chamber ) continue;
CSCRecHit2D::ChannelContainer hitwires = iHit->wgroups();
int nwires = hitwires.size();
int center_id = nwires/2 + 1;
int hit_wire = hitwires[center_id -1 ];
dwire = dwire < TMath::Abs(hit_wire - digi_wire)? dwire : TMath::Abs(hit_wire - digi_wire );
}
}
}
if( dwire <= matching_dwire_threshold )
DigiIsGood = false; // collision-like muon is close to this digi
}
}
// only count out of time digis if they are not matched to collision muons
if( DigiIsGood )
{
if( detId.endcap() == 1 )
n_alctsP++;
else if ( detId.endcap() == 2)
n_alctsM++;
}
}
}
}
}
TheCSCHaloData.SetNOutOfTimeTriggers(n_alctsP,n_alctsM);
// 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++;
}
*/
}
}
TheCSCHaloData.SetNOutOfTimeHits(n_recHitsP+n_recHitsM);
return TheCSCHaloData;
}
| void CSCHaloAlgo::SetDetaThreshold | ( | float | x | ) | [inline] |
Definition at line 93 of file CSCHaloAlgo.h.
References deta_threshold, and ExpressReco_HICollisions_FallBack::x.
{ deta_threshold = x;}
| void CSCHaloAlgo::SetDphiThreshold | ( | float | x | ) | [inline] |
Definition at line 96 of file CSCHaloAlgo.h.
References dphi_threshold, and ExpressReco_HICollisions_FallBack::x.
{ dphi_threshold = x;}
| void CSCHaloAlgo::SetExpectedBX | ( | int | x | ) | [inline] |
Definition at line 100 of file CSCHaloAlgo.h.
References expected_BX, and ExpressReco_HICollisions_FallBack::x.
{ expected_BX = x ;}
| void CSCHaloAlgo::SetMatchingDEtaThreshold | ( | float | x | ) | [inline] |
Definition at line 103 of file CSCHaloAlgo.h.
References matching_deta_threshold, and ExpressReco_HICollisions_FallBack::x.
{ matching_deta_threshold = x;}
| void CSCHaloAlgo::SetMatchingDPhiThreshold | ( | float | x | ) | [inline] |
Definition at line 102 of file CSCHaloAlgo.h.
References matching_dphi_threshold, and ExpressReco_HICollisions_FallBack::x.
{ matching_dphi_threshold = x;}
| void CSCHaloAlgo::SetMatchingDWireThreshold | ( | int | x | ) | [inline] |
Definition at line 104 of file CSCHaloAlgo.h.
References matching_dwire_threshold, and ExpressReco_HICollisions_FallBack::x.
{ matching_dwire_threshold = x;}
| void CSCHaloAlgo::SetMinMaxInnerRadius | ( | float | min, |
| float | max | ||
| ) | [inline] |
Definition at line 94 of file CSCHaloAlgo.h.
References 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 101 of file CSCHaloAlgo.h.
References 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 95 of file CSCHaloAlgo.h.
References 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 97 of file CSCHaloAlgo.h.
References norm_chi2_threshold, and ExpressReco_HICollisions_FallBack::x.
{ norm_chi2_threshold = x;}
| void CSCHaloAlgo::SetRecHitTime0 | ( | float | x | ) | [inline] |
Definition at line 98 of file CSCHaloAlgo.h.
References recHit_t0, and ExpressReco_HICollisions_FallBack::x.
| void CSCHaloAlgo::SetRecHitTimeWindow | ( | float | x | ) | [inline] |
Definition at line 99 of file CSCHaloAlgo.h.
References recHit_twindow, and ExpressReco_HICollisions_FallBack::x.
{ recHit_twindow = x; }
float CSCHaloAlgo::deta_threshold [private] |
Definition at line 107 of file CSCHaloAlgo.h.
Referenced by SetDetaThreshold().
float CSCHaloAlgo::dphi_threshold [private] |
Definition at line 114 of file CSCHaloAlgo.h.
Referenced by SetDphiThreshold().
int CSCHaloAlgo::expected_BX [private] |
Definition at line 118 of file CSCHaloAlgo.h.
Referenced by SetExpectedBX().
float CSCHaloAlgo::matching_deta_threshold [private] |
Definition at line 120 of file CSCHaloAlgo.h.
Referenced by SetMatchingDEtaThreshold().
float CSCHaloAlgo::matching_dphi_threshold [private] |
Definition at line 119 of file CSCHaloAlgo.h.
Referenced by SetMatchingDPhiThreshold().
int CSCHaloAlgo::matching_dwire_threshold [private] |
Definition at line 121 of file CSCHaloAlgo.h.
Referenced by SetMatchingDWireThreshold().
float CSCHaloAlgo::max_inner_radius [private] |
Definition at line 111 of file CSCHaloAlgo.h.
Referenced by SetMinMaxInnerRadius().
float CSCHaloAlgo::max_outer_radius [private] |
Definition at line 113 of file CSCHaloAlgo.h.
Referenced by SetMinMaxOuterRadius().
float CSCHaloAlgo::max_outer_theta [private] |
Definition at line 108 of file CSCHaloAlgo.h.
Referenced by SetMinMaxOuterMomentumTheta().
float CSCHaloAlgo::min_inner_radius [private] |
Definition at line 110 of file CSCHaloAlgo.h.
Referenced by SetMinMaxInnerRadius().
float CSCHaloAlgo::min_outer_radius [private] |
Definition at line 112 of file CSCHaloAlgo.h.
Referenced by SetMinMaxOuterRadius().
float CSCHaloAlgo::min_outer_theta [private] |
Definition at line 109 of file CSCHaloAlgo.h.
Referenced by SetMinMaxOuterMomentumTheta().
float CSCHaloAlgo::norm_chi2_threshold [private] |
Definition at line 115 of file CSCHaloAlgo.h.
Referenced by SetNormChi2Threshold().
float CSCHaloAlgo::recHit_t0 [private] |
Definition at line 116 of file CSCHaloAlgo.h.
Referenced by SetRecHitTime0().
float CSCHaloAlgo::recHit_twindow [private] |
Definition at line 117 of file CSCHaloAlgo.h.
Referenced by SetRecHitTimeWindow().
| std::vector<edm::InputTag> CSCHaloAlgo::vIT_HLTBit |
Definition at line 91 of file CSCHaloAlgo.h.
1.7.3