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ConversionProducer Class Reference

#include <ConversionProducer.h>

Inheritance diagram for ConversionProducer:
edm::stream::EDProducer<>

Public Member Functions

 ConversionProducer (const edm::ParameterSet &)
 
 ~ConversionProducer () override
 
- Public Member Functions inherited from edm::stream::EDProducer<>
 EDProducer ()=default
 
bool hasAbilityToProduceInLumis () const final
 
bool hasAbilityToProduceInRuns () const final
 

Private Types

typedef math::XYZPointF Point
 
typedef std::vector< PointPointCollection
 

Private Member Functions

void buildCollection (edm::Event &iEvent, const edm::EventSetup &iSetup, const std::multimap< float, edm::Ptr< reco::ConversionTrack > > &allTracks, const std::multimap< double, reco::CaloClusterPtr > &superClusterPtrs, const std::multimap< double, reco::CaloClusterPtr > &basicClusterPtrs, const reco::Vertex &the_pvtx, reco::ConversionCollection &outputConvPhotonCollection)
 
void buildSuperAndBasicClusterGeoMap (const edm::Event &, std::multimap< double, reco::CaloClusterPtr > &basicClusterPtrs, std::multimap< double, reco::CaloClusterPtr > &superClusterPtrs)
 
bool checkPhi (const edm::RefToBase< reco::Track > &tk_l, const edm::RefToBase< reco::Track > &tk_r, const TrackerGeometry *trackerGeom, const MagneticField *magField, const reco::Vertex &the_vertex)
 
bool checkTrackPair (const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &ll, const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &rr)
 
bool checkVertex (const reco::TransientTrack &ttk_l, const reco::TransientTrack &ttk_r, const MagneticField *magField, reco::Vertex &the_vertex)
 
double etaTransformation (float EtaParticle, float Zvertex)
 
bool getMatchedBC (const std::multimap< double, reco::CaloClusterPtr > &bcMap, const math::XYZPointF &trackImpactPosition, reco::CaloClusterPtr &closestBC)
 
bool getTrackImpactPosition (const reco::Track *tk_ref, const TrackerGeometry *trackerGeom, const MagneticField *magField, math::XYZPointF &ew)
 
bool matchingSC (const std::multimap< double, reco::CaloClusterPtr > &scMap, reco::Conversion &conv, reco::CaloClusterPtrVector &mSC)
 
bool preselectTrackPair (const reco::TransientTrack &ttk_l, const reco::TransientTrack &ttk_r, double &appDist)
 
void produce (edm::Event &, const edm::EventSetup &) override
 
math::XYZPointF toFConverterP (const math::XYZPoint &val)
 
math::XYZVectorF toFConverterV (const math::XYZVector &val)
 
bool trackD0Cut (const edm::RefToBase< reco::Track > &ref)
 
bool trackD0Cut (const edm::RefToBase< reco::Track > &ref, const reco::Vertex &the_pvtx)
 
bool trackQualityFilter (const edm::RefToBase< reco::Track > &ref, bool isLeft)
 

Private Attributes

std::string algoName_
 
bool allowD0_
 
bool allowDeltaCot_
 
bool allowDeltaPhi_
 
bool allowMinApproach_
 
bool allowOppCharge_
 
bool allowSingleLeg_
 
bool allowTrackBC_
 
bool allowVertex_
 
edm::EDGetTokenT< edm::View< reco::CaloCluster > > bcBarrelCollection_
 
edm::EDGetTokenT< edm::View< reco::CaloCluster > > bcEndcapCollection_
 
bool bypassPreselEcal_
 
bool bypassPreselEcalEcal_
 
bool bypassPreselGsf_
 
std::string ConvertedPhotonCollection_
 
double d0Cut_
 
double deltaCotTheta_
 
double deltaEta_
 
double deltaPhi_
 
double dEtacutForSCmatching_
 
double dEtaTkBC_
 
double dPhicutForSCmatching_
 
double dPhiTkBC_
 
double dzCut_
 
double energyBC_
 
double energyTotalBC_
 
double halfWayEta_
 
double halfWayPhi_
 
double maxChi2Left_
 
double maxChi2Right_
 
unsigned int maxNumOfTrackInPU_
 
double maxTrackRho_
 
double maxTrackZ_
 
double minApproachHigh_
 
double minApproachLow_
 
double minHitsLeft_
 
double minHitsRight_
 
double minSCEt_
 
double r_cut
 
bool rightBC_
 
edm::EDGetTokenT< edm::View< reco::CaloCluster > > scBarrelProducer_
 
edm::EDGetTokenT< edm::View< reco::CaloCluster > > scEndcapProducer_
 
edm::EDGetTokenT< edm::View< reco::ConversionTrack > > src_
 
const TransientTrackBuilderthettbuilder_
 
ConversionVertexFindertheVertexFinder_
 
bool usePvtx_
 
edm::EDGetTokenT< reco::VertexCollectionvertexProducer_
 
double vtxChi2_
 

Additional Inherited Members

- Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... > CacheTypes
 
typedef CacheTypes::GlobalCache GlobalCache
 
typedef AbilityChecker< T... > HasAbility
 
typedef CacheTypes::LuminosityBlockCache LuminosityBlockCache
 
typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCacheLuminosityBlockContext
 
typedef CacheTypes::LuminosityBlockSummaryCache LuminosityBlockSummaryCache
 
typedef CacheTypes::RunCache RunCache
 
typedef RunContextT< RunCache, GlobalCacheRunContext
 
typedef CacheTypes::RunSummaryCache RunSummaryCache
 

Detailed Description

$Id:

Authors
H. Liu, UC of Riverside US, N. Marinelli Univ of Notre Dame

Description: Produces converted photon objects using default track collections

Implementation: <Notes on="" implementation>="">

Definition at line 66 of file ConversionProducer.h.

Member Typedef Documentation

Definition at line 86 of file ConversionProducer.h.

typedef std::vector<Point> ConversionProducer::PointCollection
private

Definition at line 87 of file ConversionProducer.h.

Constructor & Destructor Documentation

ConversionProducer::ConversionProducer ( const edm::ParameterSet iConfig)
explicit

Definition at line 73 of file ConversionProducer.cc.

References algoName_, allowD0_, allowDeltaCot_, allowDeltaPhi_, allowMinApproach_, allowOppCharge_, allowSingleLeg_, allowTrackBC_, allowVertex_, bcBarrelCollection_, bcEndcapCollection_, bypassPreselEcal_, bypassPreselEcalEcal_, bypassPreselGsf_, ConvertedPhotonCollection_, d0Cut_, deltaCotTheta_, deltaEta_, deltaPhi_, dEtacutForSCmatching_, dEtaTkBC_, dPhicutForSCmatching_, dPhiTkBC_, dzCut_, energyBC_, energyTotalBC_, edm::ParameterSet::getParameter(), halfWayEta_, maxChi2Left_, maxChi2Right_, maxNumOfTrackInPU_, maxTrackRho_, maxTrackZ_, minApproachHigh_, minApproachLow_, minHitsLeft_, minHitsRight_, minSCEt_, r_cut, rightBC_, scBarrelProducer_, scEndcapProducer_, src_, AlCaHLTBitMon_QueryRunRegistry::string, thettbuilder_, theVertexFinder_, usePvtx_, vertexProducer_, and vtxChi2_.

73  :
74  theVertexFinder_(nullptr)
75 
76 {
77  algoName_ = iConfig.getParameter<std::string>( "AlgorithmName" );
78 
79  src_ =
80  consumes<edm::View<reco::ConversionTrack> >(iConfig.getParameter<edm::InputTag>("src"));
81 
82  maxNumOfTrackInPU_ = iConfig.getParameter<int>("maxNumOfTrackInPU");
83  maxTrackRho_ = iConfig.getParameter<double>("maxTrackRho");
84  maxTrackZ_ = iConfig.getParameter<double>("maxTrackZ");
85 
86  allowTrackBC_ = iConfig.getParameter<bool>("AllowTrackBC");
87  allowD0_ = iConfig.getParameter<bool>("AllowD0");
88  allowDeltaPhi_ = iConfig.getParameter<bool>("AllowDeltaPhi");
89  allowDeltaCot_ = iConfig.getParameter<bool>("AllowDeltaCot");
90  allowMinApproach_ = iConfig.getParameter<bool>("AllowMinApproach");
91  allowOppCharge_ = iConfig.getParameter<bool>("AllowOppCharge");
92 
93  allowVertex_ = iConfig.getParameter<bool>("AllowVertex");
94 
95  bypassPreselGsf_ = iConfig.getParameter<bool>("bypassPreselGsf");
96  bypassPreselEcal_ = iConfig.getParameter<bool>("bypassPreselEcal");
97  bypassPreselEcalEcal_ = iConfig.getParameter<bool>("bypassPreselEcalEcal");
98 
99  deltaEta_ = iConfig.getParameter<double>("deltaEta");
100 
101  halfWayEta_ = iConfig.getParameter<double>("HalfwayEta");//open angle to search track matches with BC
102 
103  d0Cut_ = iConfig.getParameter<double>("d0");
104 
105  usePvtx_ = iConfig.getParameter<bool>("UsePvtx");//if use primary vertices
106 
107  vertexProducer_ =
108  consumes<reco::VertexCollection>(iConfig.getParameter<edm::InputTag>("primaryVertexProducer"));
109 
110 
111  //Track-cluster matching eta and phi cuts
112  dEtaTkBC_ = iConfig.getParameter<double>("dEtaTrackBC");//TODO research on cut endcap/barrel
113  dPhiTkBC_ = iConfig.getParameter<double>("dPhiTrackBC");
114 
116  consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("bcBarrelCollection"));
118  consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("bcEndcapCollection"));
119 
121  consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("scBarrelProducer"));
123  consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("scEndcapProducer"));
124 
125  energyBC_ = iConfig.getParameter<double>("EnergyBC");//BC energy threshold
126  energyTotalBC_ = iConfig.getParameter<double>("EnergyTotalBC");//BC energy threshold
127  minSCEt_ = iConfig.getParameter<double>("minSCEt");//super cluster energy threshold
128  dEtacutForSCmatching_ = iConfig.getParameter<double>("dEtacutForSCmatching");// dEta between conversion momentum direction and SC position
129  dPhicutForSCmatching_ = iConfig.getParameter<double>("dPhicutForSCmatching");// dPhi between conversion momentum direction and SC position
130 
131 
132 
133 
134  //Track cuts on left right track: at least one leg reaches ECAL
135  //Left track: must exist, must reach Ecal and match BC, so loose cut on Chi2 and tight on hits
136  //Right track: not necessary to exist (if allowSingleLeg_), not necessary to reach ECAL or match BC, so tight cut on Chi2 and loose on hits
137  maxChi2Left_ = iConfig.getParameter<double>("MaxChi2Left");
138  maxChi2Right_ = iConfig.getParameter<double>("MaxChi2Right");
139  minHitsLeft_ = iConfig.getParameter<int>("MinHitsLeft");
140  minHitsRight_ = iConfig.getParameter<int>("MinHitsRight");
141 
142  //Track Open angle cut on delta cot(theta) and delta phi
143  deltaCotTheta_ = iConfig.getParameter<double>("DeltaCotTheta");
144  deltaPhi_ = iConfig.getParameter<double>("DeltaPhi");
145  minApproachLow_ = iConfig.getParameter<double>("MinApproachLow");
146  minApproachHigh_ = iConfig.getParameter<double>("MinApproachHigh");
147 
148 
149  // if allow single track collection, by default False
150  allowSingleLeg_ = iConfig.getParameter<bool>("AllowSingleLeg");
151  rightBC_ = iConfig.getParameter<bool>("AllowRightBC");
152 
153  //track inner position dz cut, need RECO
154  dzCut_ = iConfig.getParameter<double>("dz");
155  //track analytical cross cut
156  r_cut = iConfig.getParameter<double>("rCut");
157  vtxChi2_ = iConfig.getParameter<double>("vtxChi2");
158 
159 
160  theVertexFinder_ = new ConversionVertexFinder ( iConfig );
161 
162  thettbuilder_ = nullptr;
163 
164  //output
165  ConvertedPhotonCollection_ = iConfig.getParameter<std::string>("convertedPhotonCollection");
166 
167  produces< reco::ConversionCollection >(ConvertedPhotonCollection_);
168 
169 }
T getParameter(std::string const &) const
unsigned int maxNumOfTrackInPU_
ConversionVertexFinder * theVertexFinder_
edm::EDGetTokenT< reco::VertexCollection > vertexProducer_
const TransientTrackBuilder * thettbuilder_
edm::EDGetTokenT< edm::View< reco::CaloCluster > > scEndcapProducer_
edm::EDGetTokenT< edm::View< reco::CaloCluster > > bcBarrelCollection_
edm::EDGetTokenT< edm::View< reco::CaloCluster > > bcEndcapCollection_
std::string ConvertedPhotonCollection_
edm::EDGetTokenT< edm::View< reco::ConversionTrack > > src_
edm::EDGetTokenT< edm::View< reco::CaloCluster > > scBarrelProducer_
ConversionProducer::~ConversionProducer ( )
override

Definition at line 172 of file ConversionProducer.cc.

References theVertexFinder_.

173 {
174 
175  // do anything here that needs to be done at desctruction time
176  // (e.g. close files, deallocate resources etc.)
177  delete theVertexFinder_;
178 }
ConversionVertexFinder * theVertexFinder_

Member Function Documentation

void ConversionProducer::buildCollection ( edm::Event iEvent,
const edm::EventSetup iSetup,
const std::multimap< float, edm::Ptr< reco::ConversionTrack > > &  allTracks,
const std::multimap< double, reco::CaloClusterPtr > &  superClusterPtrs,
const std::multimap< double, reco::CaloClusterPtr > &  basicClusterPtrs,
const reco::Vertex the_pvtx,
reco::ConversionCollection outputConvPhotonCollection 
)
private

match the track pair with a SC. If at least one track matches, store the SC

Definition at line 313 of file ConversionProducer.cc.

References patPFMETCorrections_cff::algo, reco::TrackBase::algo(), reco::Conversion::algoByName(), algoName_, allowOppCharge_, allowTrackBC_, allTracks_cfi::allTracks, reco::Conversion::arbitratedEcalSeeded, tkConvValidator_cfi::arbitratedEcalSeeded, reco::Conversion::arbitratedMerged, tkConvValidator_cfi::arbitratedMerged, reco::Conversion::arbitratedMergedEcalGeneral, TransientTrackBuilder::build(), bypassPreselEcal_, bypassPreselEcalEcal_, bypassPreselGsf_, edm::RefToBase< T >::castTo(), reco::TrackBase::charge(), checkPhi(), checkVertex(), reco::Vertex::chi2(), ChiSquaredProbability(), deltaEta_, energyTotalBC_, reco::Track::extra(), reco::Conversion::generalTracksOnly, tkConvValidator_cfi::generalTracksOnly, edm::EventSetup::get(), edm::RefToBase< T >::get(), getMatchedBC(), getTrackImpactPosition(), reco::TrackBase::gsf, reco::Conversion::highPurity, reco::Track::innerMomentum(), reco::Track::innerPosition(), reco::TrackBase::inOutEcalSeededConv, edm::Ref< C, T, F >::isNonnull(), reco::Vertex::isValid(), matchingSC(), reco::Vertex::ndof(), ConversionHitChecker::nHitsBeforeVtx(), ConversionHitChecker::nSharedHits(), reco::Track::outerMomentum(), reco::TrackBase::outInEcalSeededConv, preselectTrackPair(), edm::ESHandle< T >::product(), findQualityFiles::rr, reco::Conversion::setMatchingSuperCluster(), reco::Conversion::setQuality(), thettbuilder_, toFConverterP(), toFConverterV(), trackD0Cut(), trackQualityFilter(), and vtxChi2_.

Referenced by produce().

318  {
319 
320 
321  edm::ESHandle<TrackerGeometry> trackerGeomHandle;
322  edm::ESHandle<MagneticField> magFieldHandle;
323  iSetup.get<TrackerDigiGeometryRecord>().get( trackerGeomHandle );
324  iSetup.get<IdealMagneticFieldRecord>().get( magFieldHandle );
325 
326  const TrackerGeometry* trackerGeom = trackerGeomHandle.product();
327  const MagneticField* magField = magFieldHandle.product();
328 
329 // std::vector<math::XYZPointF> trackImpactPosition;
330 // trackImpactPosition.reserve(allTracks.size());//track impact position at ECAL
331 // std::vector<bool> trackValidECAL;//Does this track reach ECAL basic cluster (reach ECAL && match with BC)
332 // trackValidECAL.assign(allTracks.size(), false);
333 //
334 // std::vector<reco::CaloClusterPtr> trackMatchedBC;
335 // reco::CaloClusterPtr empty_bc;
336 // trackMatchedBC.assign(allTracks.size(), empty_bc);//TODO find a better way to avoid copy constructor
337 //
338 // std::vector<int> bcHandleId;//the associated BC handle id, -1 invalid, 0 barrel 1 endcap
339 // bcHandleId.assign(allTracks.size(), -1);
340 
341  // not used std::multimap<double, int> trackInnerEta;//Track innermost state Eta map to TrackRef index, to be used in track pair sorting
342 
343  std::map<edm::Ptr<reco::ConversionTrack>, math::XYZPointF> trackImpactPosition;
344  std::map<edm::Ptr<reco::ConversionTrack>, reco::CaloClusterPtr> trackMatchedBC;
345 
346  ConversionHitChecker hitChecker;
347 
348 
349  //2 propagate all tracks into ECAL, record its eta and phi
350 
351  for (std::multimap<float, edm::Ptr<reco::ConversionTrack> >::const_iterator tk_ref = allTracks.begin(); tk_ref != allTracks.end(); ++tk_ref ){
352  const reco::Track* tk = tk_ref->second->trackRef().get() ;
353 
354 
355  //check impact position then match with BC
356  math::XYZPointF ew;
357  if ( getTrackImpactPosition(tk, trackerGeom, magField, ew) ){
358  trackImpactPosition[tk_ref->second] = ew;
359 
360  reco::CaloClusterPtr closest_bc;//the closest matching BC to track
361 
362  if ( getMatchedBC(basicClusterPtrs, ew, closest_bc) ){
363  trackMatchedBC[tk_ref->second] = closest_bc;
364  }
365  }
366  }
367 
368 
369 
370  //3. pair up tracks:
371  //TODO it is k-Closest pair of point problem
372  //std::cout << " allTracks.size() " << allTracks.size() << std::endl;
373  for(std::multimap<float, edm::Ptr<reco::ConversionTrack> >::const_iterator ll = allTracks.begin(); ll != allTracks.end(); ++ll ) {
374  bool track1HighPurity=true;
375  //std::cout << " Loop on allTracks " << std::endl;
376  const edm::RefToBase<reco::Track> & left = ll->second->trackRef();
377 
378 
379  //TODO: This is a workaround, should be fixed with a proper function in the TTBuilder
380  //(Note that the TrackRef and GsfTrackRef versions of the constructor are needed
381  // to properly get refit tracks in the output vertex)
382  reco::TransientTrack ttk_l;
383  if (dynamic_cast<const reco::GsfTrack*>(left.get())) {
384  ttk_l = thettbuilder_->build(left.castTo<reco::GsfTrackRef>());
385  }
386  else {
387  ttk_l = thettbuilder_->build(left.castTo<reco::TrackRef>());
388  }
389 
391  // if ((allowTrackBC_ && !trackValidECAL[ll-allTracks.begin()]) )//this Left leg should have valid BC
392  // continue;
393 
394 
395  if (the_pvtx.isValid()){
396  if (!(trackD0Cut(left, the_pvtx))) track1HighPurity=false;
397  } else {
398  if (!(trackD0Cut(left))) track1HighPurity=false;
399  }
400 
401  std::vector<int> right_candidates;//store all right legs passed the cut (theta/approach and ref pair)
402  std::vector<double> right_candidate_theta, right_candidate_approach;
403  std::vector<std::pair<bool, reco::Vertex> > vertex_candidates;
404 
405  //inner loop only over tracks between eta and eta + deltaEta of the first track
406  float etasearch = ll->first + deltaEta_;
407  std::multimap<float, edm::Ptr<reco::ConversionTrack> >::const_iterator rr = ll;
408  ++rr;
409  for (; rr != allTracks.lower_bound(etasearch); ++rr ) {
410  bool track2HighPurity = true;
411  bool highPurityPair = true;
412 
413  const edm::RefToBase<reco::Track> & right = rr->second->trackRef();
414 
415 
416  //TODO: This is a workaround, should be fixed with a proper function in the TTBuilder
417  reco::TransientTrack ttk_r;
418  if (dynamic_cast<const reco::GsfTrack*>(right.get())) {
419  ttk_r = thettbuilder_->build(right.castTo<reco::GsfTrackRef>());
420  }
421  else {
422  ttk_r = thettbuilder_->build(right.castTo<reco::TrackRef>());
423  }
424  //std::cout << " This track is " << right->algoName() << std::endl;
425 
426 
427  //all vertexing preselection should go here
428 
429  //check for opposite charge
430  if ( allowOppCharge_ && (left->charge()*right->charge() > 0) )
431  continue; //same sign, reject pair
432 
434  //if ( (allowTrackBC_ && !trackValidECAL[rr-allTracks.begin()] && rightBC_) )// if right track matches ECAL
435  // continue;
436 
437 
438  double approachDist = -999.;
439  //apply preselection to track pair, overriding preselection for gsf+X or ecalseeded+X pairs if so configured
440  bool preselected = preselectTrackPair(ttk_l,ttk_r, approachDist);
441  preselected = preselected || (bypassPreselGsf_ && (left->algo()==reco::TrackBase::gsf || right->algo()==reco::TrackBase::gsf));
444 
445  if (!preselected) {
446  continue;
447  }
448 
449  //do the actual vertex fit
450  reco::Vertex theConversionVertex;//by default it is invalid
451  bool goodVertex = checkVertex(ttk_l, ttk_r, magField, theConversionVertex);
452 
453  //bail as early as possible in case the fit didn't return a good vertex
454  if (!goodVertex) {
455  continue;
456  }
457 
458 
459 
460  //track pair pass the quality cut
461  if ( !( (trackQualityFilter(left, true) && trackQualityFilter(right, false))
462  || (trackQualityFilter(left, false) && trackQualityFilter(right, true)) ) ) {
463  highPurityPair=false;
464  }
465 
466  if (the_pvtx.isValid()){
467  if (!(trackD0Cut(right, the_pvtx))) track2HighPurity=false;
468  } else {
469  if (!(trackD0Cut(right))) track2HighPurity=false;
470  }
471 
472 
473  //if all cuts passed, go ahead to make conversion candidates
474  std::vector<edm::RefToBase<reco::Track> > trackPairRef;
475  trackPairRef.push_back(left);//left track
476  trackPairRef.push_back(right);//right track
477 
478  std::vector<math::XYZVectorF> trackPin;
479  std::vector<math::XYZVectorF> trackPout;
480  std::vector<math::XYZPointF> trackInnPos;
481  std::vector<uint8_t> nHitsBeforeVtx;
482  std::vector<Measurement1DFloat> dlClosestHitToVtx;
483 
484  if (left->extra().isNonnull() && right->extra().isNonnull()){//only available on TrackExtra
485  trackInnPos.push_back( toFConverterP(left->innerPosition()));
486  trackInnPos.push_back( toFConverterP(right->innerPosition()));
487  trackPin.push_back(toFConverterV(left->innerMomentum()));
488  trackPin.push_back(toFConverterV(right->innerMomentum()));
489  trackPout.push_back(toFConverterV(left->outerMomentum()));
490  trackPout.push_back(toFConverterV(right->outerMomentum()));
491  auto leftWrongHits = hitChecker.nHitsBeforeVtx(*left->extra(),theConversionVertex);
492  auto rightWrongHits = hitChecker.nHitsBeforeVtx(*right->extra(),theConversionVertex);
493  nHitsBeforeVtx.push_back(leftWrongHits.first);
494  nHitsBeforeVtx.push_back(rightWrongHits.first);
495  dlClosestHitToVtx.push_back(leftWrongHits.second);
496  dlClosestHitToVtx.push_back(rightWrongHits.second);
497  }
498 
499  uint8_t nSharedHits = hitChecker.nSharedHits(*left.get(),*right.get());
500 
501 
502  //if using kinematic fit, check with chi2 post cut
503  if (theConversionVertex.isValid()){
504  const float chi2Prob = ChiSquaredProbability(theConversionVertex.chi2(), theConversionVertex.ndof());
505  if (chi2Prob<vtxChi2_) highPurityPair=false;
506  }
507 
508  //std::cout << " highPurityPair after vertex cut " << highPurityPair << std::endl;
509  std::vector<math::XYZPointF> trkPositionAtEcal;
510  std::vector<reco::CaloClusterPtr> matchingBC;
511 
512  if (allowTrackBC_){//TODO find out the BC ptrs if not doing matching, otherwise, leave it empty
513  //const int lbc_handle = bcHandleId[ll-allTracks.begin()],
514  // rbc_handle = bcHandleId[rr-allTracks.begin()];
515 
516  std::map<edm::Ptr<reco::ConversionTrack>, math::XYZPointF>::const_iterator trackImpactPositionLeft = trackImpactPosition.find(ll->second);
517  std::map<edm::Ptr<reco::ConversionTrack>, math::XYZPointF>::const_iterator trackImpactPositionRight = trackImpactPosition.find(rr->second);
518  std::map<edm::Ptr<reco::ConversionTrack>, reco::CaloClusterPtr>::const_iterator trackMatchedBCLeft = trackMatchedBC.find(ll->second);
519  std::map<edm::Ptr<reco::ConversionTrack>, reco::CaloClusterPtr>::const_iterator trackMatchedBCRight = trackMatchedBC.find(rr->second);
520 
521  if (trackImpactPositionLeft!=trackImpactPosition.end()) {
522  trkPositionAtEcal.push_back(trackImpactPositionLeft->second);//left track
523  }
524  else {
525  trkPositionAtEcal.push_back(math::XYZPointF());//left track
526  }
527  if (trackImpactPositionRight!=trackImpactPosition.end()) {//second track ECAL position may be invalid
528  trkPositionAtEcal.push_back(trackImpactPositionRight->second);
529  }
530 
531  double total_e_bc = 0.;
532  if (trackMatchedBCLeft!=trackMatchedBC.end()) {
533  matchingBC.push_back(trackMatchedBCLeft->second);//left track
534  total_e_bc += trackMatchedBCLeft->second->energy();
535  }
536  else {
537  matchingBC.push_back( reco::CaloClusterPtr() );//left track
538  }
539  if (trackMatchedBCRight!=trackMatchedBC.end()) {//second track ECAL position may be invalid
540  matchingBC.push_back(trackMatchedBCRight->second);
541  total_e_bc += trackMatchedBCRight->second->energy();
542  }
543 
544  if (total_e_bc<energyTotalBC_) {
545  highPurityPair = false;
546  }
547 
548 
549  }
550  //signature cuts, then check if vertex, then post-selection cuts
551  highPurityPair = highPurityPair && track1HighPurity && track2HighPurity && goodVertex && checkPhi(left, right, trackerGeom, magField, theConversionVertex) ;
552 
553 
555  /*
556  for ( std::vector<edm::RefToBase<reco::Track> >::iterator iTk=trackPairRef.begin(); iTk!=trackPairRef.end(); iTk++) {
557  math::XYZPointF impPos;
558  if ( getTrackImpactPosition(*iTk, trackerGeom, magField, impPos) ) {
559 
560  }
561 
562  }
563  */
564 
565  const float minAppDist = approachDist;
567  float dummy=0;
569  reco::Conversion newCandidate(scPtrVec, trackPairRef, trkPositionAtEcal, theConversionVertex, matchingBC, minAppDist, trackInnPos, trackPin, trackPout, nHitsBeforeVtx, dlClosestHitToVtx, nSharedHits, dummy, algo );
570  // Fill in scPtrVec with the macthing SC
571  if ( matchingSC ( superClusterPtrs, newCandidate, scPtrVec) )
572  newCandidate.setMatchingSuperCluster( scPtrVec);
573 
574  //std::cout << " ConversionProducer scPtrVec.size " << scPtrVec.size() << std::endl;
575 
576  newCandidate.setQuality(reco::Conversion::highPurity, highPurityPair);
577  bool generalTracksOnly = ll->second->isTrackerOnly() && rr->second->isTrackerOnly() && !dynamic_cast<const reco::GsfTrack*>(ll->second->trackRef().get()) && !dynamic_cast<const reco::GsfTrack*>(rr->second->trackRef().get());
578  bool arbitratedEcalSeeded = ll->second->isArbitratedEcalSeeded() && rr->second->isArbitratedEcalSeeded();
579  bool arbitratedMerged = ll->second->isArbitratedMerged() && rr->second->isArbitratedMerged();
580  bool arbitratedMergedEcalGeneral = ll->second->isArbitratedMergedEcalGeneral() && rr->second->isArbitratedMergedEcalGeneral();
581 
582  newCandidate.setQuality(reco::Conversion::generalTracksOnly, generalTracksOnly);
583  newCandidate.setQuality(reco::Conversion::arbitratedEcalSeeded, arbitratedEcalSeeded);
584  newCandidate.setQuality(reco::Conversion::arbitratedMerged, arbitratedMerged);
585  newCandidate.setQuality(reco::Conversion::arbitratedMergedEcalGeneral, arbitratedMergedEcalGeneral);
586 
587  outputConvPhotonCollection.push_back(newCandidate);
588 
589  }
590 
591  }
592 
593 
594 
595 
596 
597 
598 }
value_type const * get() const
Definition: RefToBase.h:234
bool isNonnull() const
Checks for non-null.
Definition: Ref.h:253
bool getTrackImpactPosition(const reco::Track *tk_ref, const TrackerGeometry *trackerGeom, const MagneticField *magField, math::XYZPointF &ew)
const TrackExtraRef & extra() const
reference to "extra" object
Definition: Track.h:189
const TransientTrackBuilder * thettbuilder_
bool isValid() const
Tells whether the vertex is valid.
Definition: Vertex.h:68
reco::TransientTrack build(const reco::Track *p) const
static ConversionAlgorithm algoByName(const std::string &name)
Definition: Conversion.cc:163
ROOT::Math::PositionVector3D< ROOT::Math::Cartesian3D< float > > XYZPointF
point in space with cartesian internal representation
Definition: Point3D.h:10
std::pair< uint8_t, Measurement1DFloat > nHitsBeforeVtx(const reco::TrackExtra &track, const reco::Vertex &vtx, float sigmaTolerance=3.0) const
bool matchingSC(const std::multimap< double, reco::CaloClusterPtr > &scMap, reco::Conversion &conv, reco::CaloClusterPtrVector &mSC)
const math::XYZPoint & innerPosition() const
position of the innermost hit
Definition: Track.h:55
TrackAlgorithm algo() const
Definition: TrackBase.h:497
math::XYZVectorF toFConverterV(const math::XYZVector &val)
double chi2() const
chi-squares
Definition: Vertex.h:98
float ChiSquaredProbability(double chiSquared, double nrDOF)
uint8_t nSharedHits(const reco::Track &trk1, const reco::Track &trk2) const
bool getMatchedBC(const std::multimap< double, reco::CaloClusterPtr > &bcMap, const math::XYZPointF &trackImpactPosition, reco::CaloClusterPtr &closestBC)
double ndof() const
Definition: Vertex.h:105
bool trackQualityFilter(const edm::RefToBase< reco::Track > &ref, bool isLeft)
const math::XYZVector & outerMomentum() const
momentum vector at the outermost hit position
Definition: Track.h:70
bool trackD0Cut(const edm::RefToBase< reco::Track > &ref)
REF castTo() const
Definition: RefToBase.h:286
const math::XYZVector & innerMomentum() const
momentum vector at the innermost hit position
Definition: Track.h:60
T get() const
Definition: EventSetup.h:63
int charge() const
track electric charge
Definition: TrackBase.h:567
math::XYZPointF toFConverterP(const math::XYZPoint &val)
bool preselectTrackPair(const reco::TransientTrack &ttk_l, const reco::TransientTrack &ttk_r, double &appDist)
T const * product() const
Definition: ESHandle.h:86
bool checkPhi(const edm::RefToBase< reco::Track > &tk_l, const edm::RefToBase< reco::Track > &tk_r, const TrackerGeometry *trackerGeom, const MagneticField *magField, const reco::Vertex &the_vertex)
bool checkVertex(const reco::TransientTrack &ttk_l, const reco::TransientTrack &ttk_r, const MagneticField *magField, reco::Vertex &the_vertex)
void ConversionProducer::buildSuperAndBasicClusterGeoMap ( const edm::Event iEvent,
std::multimap< double, reco::CaloClusterPtr > &  basicClusterPtrs,
std::multimap< double, reco::CaloClusterPtr > &  superClusterPtrs 
)
private

Definition at line 249 of file ConversionProducer.cc.

References bcBarrelCollection_, bcEndcapCollection_, energyBC_, edm::Event::getByToken(), cuy::ii, edm::HandleBase::isValid(), findQualityFiles::jj, minSCEt_, scBarrelProducer_, and scEndcapProducer_.

Referenced by produce().

251  {
252 
253  // Get the Super Cluster collection in the Barrel
255  iEvent.getByToken(scBarrelProducer_,scBarrelHandle);
256  if (!scBarrelHandle.isValid()) {
257  edm::LogError("ConvertedPhotonProducer")
258  << "Error! Can't get the barrel superclusters!";
259  }
260 
261  // Get the Super Cluster collection in the Endcap
263  iEvent.getByToken(scEndcapProducer_,scEndcapHandle);
264  if (!scEndcapHandle.isValid()) {
265  edm::LogError("ConvertedPhotonProducer")
266  << "Error! Can't get the endcap superclusters!";
267  }
268 
269 
271  edm::Handle<edm::View<reco::CaloCluster> > bcEndcapHandle;//TODO check cluster type if BasicCluster or PFCluster
272 
273  iEvent.getByToken( bcBarrelCollection_, bcBarrelHandle);
274  if (!bcBarrelHandle.isValid()) {
275  edm::LogError("ConvertedPhotonProducer")
276  << "Error! Can't get the barrel basic clusters!";
277  }
278 
279  iEvent.getByToken( bcEndcapCollection_, bcEndcapHandle);
280  if (! bcEndcapHandle.isValid()) {
281  edm::LogError("ConvertedPhotonProducer")
282  << "Error! Can't get the endcap basic clusters!";
283  }
284 
285  edm::Handle<edm::View<reco::CaloCluster> > bcHandle = bcBarrelHandle;
286  edm::Handle<edm::View<reco::CaloCluster> > scHandle = scBarrelHandle;
287 
288  if ( bcHandle.isValid() ) {
289  for (unsigned jj = 0; jj < 2; ++jj ){
290  for (unsigned ii = 0; ii < bcHandle->size(); ++ii ) {
291  if (bcHandle->ptrAt(ii)->energy()>energyBC_)
292  basicClusterPtrs.insert(std::make_pair(bcHandle->ptrAt(ii)->position().eta(), bcHandle->ptrAt(ii)));
293  }
294  bcHandle = bcEndcapHandle;
295  }
296  }
297 
298 
299  if ( scHandle.isValid() ) {
300  for (unsigned jj = 0; jj < 2; ++jj ){
301  for (unsigned ii = 0; ii < scHandle->size(); ++ii ) {
302  if (scHandle->ptrAt(ii)->energy()>minSCEt_)
303  superClusterPtrs.insert(std::make_pair(scHandle->ptrAt(ii)->position().eta(), scHandle->ptrAt(ii)));
304  }
305  scHandle = scEndcapHandle;
306  }
307  }
308 
309 
310 }
bool getByToken(EDGetToken token, Handle< PROD > &result) const
Definition: Event.h:579
edm::EDGetTokenT< edm::View< reco::CaloCluster > > scEndcapProducer_
edm::EDGetTokenT< edm::View< reco::CaloCluster > > bcBarrelCollection_
bool isValid() const
Definition: HandleBase.h:74
edm::EDGetTokenT< edm::View< reco::CaloCluster > > bcEndcapCollection_
ii
Definition: cuy.py:589
edm::EDGetTokenT< edm::View< reco::CaloCluster > > scBarrelProducer_
bool ConversionProducer::checkPhi ( const edm::RefToBase< reco::Track > &  tk_l,
const edm::RefToBase< reco::Track > &  tk_r,
const TrackerGeometry trackerGeom,
const MagneticField magField,
const reco::Vertex the_vertex 
)
private

Definition at line 743 of file ConversionProducer.cc.

References allowDeltaPhi_, anyDirection, reco::deltaPhi(), deltaPhi_, particleFlow_cfi::dPhi, reco::Track::extra(), TrajectoryStateOnSurface::globalDirection(), reco::Track::innerMomentum(), trajectoryStateTransform::innerStateOnSurface(), edm::Ref< C, T, F >::isNonnull(), TrajectoryStateOnSurface::isValid(), reco::Vertex::isValid(), PV3DBase< T, PVType, FrameType >::phi(), reco::Vertex::position(), Propagator::propagate(), and makeMuonMisalignmentScenario::rot.

Referenced by buildCollection().

745  {
746  if (!allowDeltaPhi_)
747  return true;
748  //if track has innermost momentum, check with innermost phi
749  //if track also has valid vertex, propagate to vertex then calculate phi there
750  //if track has no innermost momentum, just return true, because track->phi() makes no sense
751  if (tk_l->extra().isNonnull() && tk_r->extra().isNonnull()){
752  double iphi1 = tk_l->innerMomentum().phi(), iphi2 = tk_r->innerMomentum().phi();
753  if (vtx.isValid()){
754  PropagatorWithMaterial propag( anyDirection, 0.000511, magField );
755 
756  double recoPhoR = vtx.position().Rho();
759  new SimpleCylinderBounds( recoPhoR-0.001, recoPhoR+0.001,
760  -fabs(vtx.position().z()), fabs(vtx.position().z()))));
762  new BoundDisk( Surface::PositionType( 0, 0, vtx.position().z()), rot,
763  new SimpleDiskBounds( 0, recoPhoR, -0.001, 0.001)));
764 
765  const TrajectoryStateOnSurface myTSOS1 = trajectoryStateTransform::innerStateOnSurface(*tk_l, *trackerGeom, magField);
766  const TrajectoryStateOnSurface myTSOS2 = trajectoryStateTransform::innerStateOnSurface(*tk_r, *trackerGeom, magField);
767  TrajectoryStateOnSurface stateAtVtx1, stateAtVtx2;
768  stateAtVtx1 = propag.propagate(myTSOS1, *theBarrel_);
769  if (!stateAtVtx1.isValid() ) {
770  stateAtVtx1 = propag.propagate(myTSOS1, *theDisk_);
771  }
772  if (stateAtVtx1.isValid()){
773  iphi1 = stateAtVtx1.globalDirection().phi();
774  }
775  stateAtVtx2 = propag.propagate(myTSOS2, *theBarrel_);
776  if (!stateAtVtx2.isValid() ) {
777  stateAtVtx2 = propag.propagate(myTSOS2, *theDisk_);
778  }
779  if (stateAtVtx2.isValid()){
780  iphi2 = stateAtVtx2.globalDirection().phi();
781  }
782  }
783  const double dPhi = reco::deltaPhi(iphi1, iphi2);
784  return (fabs(dPhi) < deltaPhi_);
785  } else {
786  return true;
787  }
788 }
constexpr double deltaPhi(double phi1, double phi2)
Definition: deltaPhi.h:22
bool isNonnull() const
Checks for non-null.
Definition: Ref.h:253
const TrackExtraRef & extra() const
reference to "extra" object
Definition: Track.h:189
Geom::Phi< T > phi() const
Definition: PV3DBase.h:69
Cylinder BoundCylinder
Definition: BoundCylinder.h:17
Disk BoundDisk
Definition: BoundDisk.h:62
const math::XYZVector & innerMomentum() const
momentum vector at the innermost hit position
Definition: Track.h:60
GlobalVector globalDirection() const
TrajectoryStateOnSurface innerStateOnSurface(const reco::Track &tk, const TrackingGeometry &geom, const MagneticField *field, bool withErr=true)
bool ConversionProducer::checkTrackPair ( const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &  ll,
const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &  rr 
)
private

Definition at line 850 of file ConversionProducer.cc.

References allowTrackBC_, energyTotalBC_, edm::Ptr< T >::isNonnull(), rightBC_, and findQualityFiles::rr.

851  {
852 
853  const reco::CaloClusterPtr& bc_l = ll.second;//can be null, so check isNonnull()
854  const reco::CaloClusterPtr& bc_r = rr.second;
855 
856  //The cuts should be ordered by considering if takes time and if cuts off many fakes
857  if (allowTrackBC_){
858  //check energy of BC
859  double total_e_bc = 0;
860  if (bc_l.isNonnull()) total_e_bc += bc_l->energy();
861  if (rightBC_)
862  if (bc_r.isNonnull())
863  total_e_bc += bc_r->energy();
864 
865  if (total_e_bc < energyTotalBC_) return false;
866  }
867 
868  return true;
869 }
bool isNonnull() const
Checks for non-null.
Definition: Ptr.h:168
bool ConversionProducer::checkVertex ( const reco::TransientTrack ttk_l,
const reco::TransientTrack ttk_r,
const MagneticField magField,
reco::Vertex the_vertex 
)
private

Definition at line 874 of file ConversionProducer.cc.

References runEdmFileComparison::found, ConversionVertexFinder::run(), and theVertexFinder_.

Referenced by buildCollection().

876  {
877  bool found = false;
878 
879  std::vector<reco::TransientTrack> pair;
880  pair.push_back(ttk_l);
881  pair.push_back(ttk_r);
882 
883  found = theVertexFinder_->run(pair, the_vertex);
884 
885 
886 
887  return found;
888 }
ConversionVertexFinder * theVertexFinder_
TransientVertex run(const std::vector< reco::TransientTrack > &pair)
double ConversionProducer::etaTransformation ( float  EtaParticle,
float  Zvertex 
)
private

Definition at line 892 of file ConversionProducer.cc.

References ETA, etaBarrelEndcap, cmsBatch::log, PI, R_ECAL, funct::tan(), and Z_Endcap.

Referenced by matchingSC().

892  {
893 
894  //---Definitions
895  const float PI = 3.1415927;
896 
897  //---Definitions for ECAL
898  const float R_ECAL = 136.5;
899  const float Z_Endcap = 328.0;
900  const float etaBarrelEndcap = 1.479;
901 
902  //---ETA correction
903 
904  float Theta = 0.0 ;
905  float ZEcal = R_ECAL*sinh(EtaParticle)+Zvertex;
906 
907  if(ZEcal != 0.0) Theta = atan(R_ECAL/ZEcal);
908  if(Theta<0.0) Theta = Theta+PI ;
909  double ETA = - log(tan(0.5*Theta));
910 
911  if( fabs(ETA) > etaBarrelEndcap )
912  {
913  float Zend = Z_Endcap ;
914  if(EtaParticle<0.0 ) Zend = -Zend ;
915  float Zlen = Zend - Zvertex ;
916  float RR = Zlen/sinh(EtaParticle);
917  Theta = atan(RR/Zend);
918  if(Theta<0.0) Theta = Theta+PI ;
919  ETA = - log(tan(0.5*Theta));
920  }
921  //---Return the result
922  return ETA;
923  //---end
924 }
#define ETA
Tan< T >::type tan(const T &t)
Definition: Tan.h:22
#define PI
Definition: QcdUeDQM.h:36
static const float etaBarrelEndcap
static const float Z_Endcap
static const float R_ECAL
bool ConversionProducer::getMatchedBC ( const std::multimap< double, reco::CaloClusterPtr > &  bcMap,
const math::XYZPointF trackImpactPosition,
reco::CaloClusterPtr closestBC 
)
private

Definition at line 707 of file ConversionProducer.cc.

References caloCompatibility_cff::delta_eta, caloCompatibility_cff::delta_phi, reco::deltaPhi(), dEtaTkBC_, dPhiTkBC_, halfWayEta_, and hiMultiTrackSelector_cfi::min_eta.

Referenced by buildCollection().

709  {
710  const double track_eta = trackImpactPosition.eta();
711  const double track_phi = trackImpactPosition.phi();
712 
713  double min_eta = 999., min_phi = 999.;
714  reco::CaloClusterPtr closest_bc;
715  for (std::multimap<double, reco::CaloClusterPtr>::const_iterator bc = bcMap.lower_bound(track_eta - halfWayEta_);
716  bc != bcMap.upper_bound(track_eta + halfWayEta_); ++bc){//use eta map to select possible BC collection then loop in
717  const reco::CaloClusterPtr& ebc = bc->second;
718  const double delta_eta = track_eta-(ebc->position().eta());
719  const double delta_phi = reco::deltaPhi(track_phi, (ebc->position().phi()));
720  if (fabs(delta_eta)<dEtaTkBC_ && fabs(delta_phi)<dPhiTkBC_){
721  if (fabs(min_eta)>fabs(delta_eta) && fabs(min_phi)>fabs(delta_phi)){//take the closest to track BC
722  min_eta = delta_eta;
723  min_phi = delta_phi;
724  closest_bc = bc->second;
725  //TODO check if min_eta>delta_eta but min_phi<delta_phi
726  }
727  }
728  }
729 
730  if (min_eta < 999.){
731  closestBC = closest_bc;
732  return true;
733  } else
734  return false;
735 }
constexpr double deltaPhi(double phi1, double phi2)
Definition: deltaPhi.h:22
bool ConversionProducer::getTrackImpactPosition ( const reco::Track tk_ref,
const TrackerGeometry trackerGeom,
const MagneticField magField,
math::XYZPointF ew 
)
private

Definition at line 630 of file ConversionProducer.cc.

References alongMomentum, barrelHalfLength(), barrelRadius(), endcapRadius(), endcapZ(), geometryDiff::epsilon, PV3DBase< T, PVType, FrameType >::eta(), f, TrajectoryStateOnSurface::globalPosition(), TrajectoryStateOnSurface::isValid(), trajectoryStateTransform::outerStateOnSurface(), Propagator::propagate(), makeMuonMisalignmentScenario::rot, and PV3DBase< T, PVType, FrameType >::z().

Referenced by buildCollection().

632  {
633 
634  PropagatorWithMaterial propag( alongMomentum, 0.000511, magField );
635 
637  new BoundCylinder(129.f, GlobalPoint(0.,0.,0.), TkRotation<float>(),
638  new SimpleCylinderBounds( 129, 129, -320.5, 320.5 ) ) );
639  const float epsilon = 0.001;
640  Surface::RotationType rot; // unit rotation matrix
641  const float barrelRadius = 129.f;
642  const float barrelHalfLength = 270.9f;
643  const float endcapRadius = 171.1f;
644  const float endcapZ = 320.5f;
645  ReferenceCountingPointer<BoundCylinder> theBarrel_(new BoundCylinder(barrelRadius, Surface::PositionType(0,0,0), rot,
646  new SimpleCylinderBounds( barrelRadius-epsilon, barrelRadius+epsilon,
647 -barrelHalfLength, barrelHalfLength)));
648  ReferenceCountingPointer<BoundDisk> theNegativeEtaEndcap_(
649  new BoundDisk( Surface::PositionType( 0, 0, -endcapZ), rot,
650  new SimpleDiskBounds( 0, endcapRadius, -epsilon, epsilon)));
651  ReferenceCountingPointer<BoundDisk> thePositiveEtaEndcap_(
652  new BoundDisk( Surface::PositionType( 0, 0, endcapZ), rot,
653  new SimpleDiskBounds( 0, endcapRadius, -epsilon, epsilon)));
654 
655  //const TrajectoryStateOnSurface myTSOS = trajectoryStateTransform::innerStateOnSurface(*(*ref), *trackerGeom, magField);
656  const TrajectoryStateOnSurface myTSOS = trajectoryStateTransform::outerStateOnSurface(*tk_ref, *trackerGeom, magField);
657  TrajectoryStateOnSurface stateAtECAL;
658  stateAtECAL = propag.propagate(myTSOS, *theBarrel_);
659  if (!stateAtECAL.isValid() || ( stateAtECAL.isValid() && fabs(stateAtECAL.globalPosition().eta() ) >1.479f ) ) {
660  //endcap propagator
661  if (myTSOS.globalPosition().z() > 0.) {
662  stateAtECAL = propag.propagate(myTSOS, *thePositiveEtaEndcap_);
663  } else {
664  stateAtECAL = propag.propagate(myTSOS, *theNegativeEtaEndcap_);
665  }
666  }
667  if (stateAtECAL.isValid()){
668  ew = stateAtECAL.globalPosition();
669  return true;
670  }
671  else
672  return false;
673 }
static float barrelHalfLength()
TrajectoryStateOnSurface outerStateOnSurface(const reco::Track &tk, const TrackingGeometry &geom, const MagneticField *field, bool withErr=true)
Global3DPoint GlobalPoint
Definition: GlobalPoint.h:10
Cylinder BoundCylinder
Definition: BoundCylinder.h:17
GlobalPoint globalPosition() const
static float endcapRadius()
T z() const
Definition: PV3DBase.h:64
double f[11][100]
static float endcapZ()
Disk BoundDisk
Definition: BoundDisk.h:62
T eta() const
Definition: PV3DBase.h:76
static float barrelRadius()
bool ConversionProducer::matchingSC ( const std::multimap< double, reco::CaloClusterPtr > &  scMap,
reco::Conversion conv,
reco::CaloClusterPtrVector mSC 
)
private

Definition at line 678 of file ConversionProducer.cc.

References caloCompatibility_cff::delta_eta, caloCompatibility_cff::delta_phi, reco::deltaPhi(), dEtacutForSCmatching_, dPhicutForSCmatching_, etaTransformation(), match(), edm::PtrVector< T >::push_back(), reco::Conversion::refittedPairMomentum(), SimDataFormats::CaloAnalysis::sc, and reco::Conversion::zOfPrimaryVertexFromTracks().

Referenced by buildCollection().

681  {
682 
683  // double dRMin=999.;
684  double detaMin=999.;
685  double dphiMin=999.;
687  for (std::multimap<double, reco::CaloClusterPtr>::const_iterator scItr = scMap.begin(); scItr != scMap.end(); scItr++) {
688  const reco::CaloClusterPtr& sc = scItr->second;
689  const double delta_phi = reco::deltaPhi( aConv.refittedPairMomentum().phi(), sc->phi());
690  double sceta = sc->eta();
691  double conveta = etaTransformation(aConv.refittedPairMomentum().eta(), aConv.zOfPrimaryVertexFromTracks() );
692  const double delta_eta = fabs(conveta - sceta);
693  if ( fabs(delta_eta) < fabs(detaMin) && fabs(delta_phi) < fabs(dphiMin) ) {
694  detaMin= fabs(delta_eta);
695  dphiMin= fabs(delta_phi);
696  match=sc;
697  }
698  }
699 
700  if ( fabs(detaMin) < dEtacutForSCmatching_ && fabs(dphiMin) < dPhicutForSCmatching_ ) {
701  mSC.push_back(match);
702  return true;
703  } else
704  return false;
705 }
constexpr double deltaPhi(double phi1, double phi2)
Definition: deltaPhi.h:22
void push_back(Ptr< T > const &iPtr)
Definition: PtrVector.h:140
double etaTransformation(float EtaParticle, float Zvertex)
std::pair< typename Association::data_type::first_type, double > match(Reference key, Association association, bool bestMatchByMaxValue)
Generic matching function.
Definition: Utils.h:10
bool ConversionProducer::preselectTrackPair ( const reco::TransientTrack ttk_l,
const reco::TransientTrack ttk_r,
double &  appDist 
)
private

Definition at line 790 of file ConversionProducer.cc.

References funct::abs(), allowDeltaCot_, allowMinApproach_, TangentApproachInRPhi::calculate(), ClosestApproachInRPhi::calculate(), TangentApproachInRPhi::crossingPoint(), ClosestApproachInRPhi::crossingPoint(), deltaCotTheta_, dzCut_, reco::Track::innerMomentum(), reco::TransientTrack::innermostMeasurementState(), maxTrackRho_, maxTrackZ_, minApproachHigh_, PV3DBase< T, PVType, FrameType >::perp(), TangentApproachInRPhi::perpdist(), r_cut, rho, TangentApproachInRPhi::status(), ClosestApproachInRPhi::status(), funct::tan(), reco::TransientTrack::track(), TangentApproachInRPhi::trajectoryParameters(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by buildCollection().

791  {
792 
793 
794  double dCotTheta = 1./tan(ttk_l.track().innerMomentum().theta()) - 1./tan(ttk_r.track().innerMomentum().theta());
795  if (allowDeltaCot_ && (std::abs(dCotTheta) > deltaCotTheta_)) {
796  return false;
797  }
798 
799  //non-conversion hypothesis, reject prompt track pairs
800  ClosestApproachInRPhi closest;
802  if (!closest.status()) {
803  return false;
804  }
805 
806  if (closest.crossingPoint().perp() < r_cut) {
807  return false;
808  }
809 
810 
811  //compute tangent point btw tracks (conversion hypothesis)
812  TangentApproachInRPhi tangent;
814  if (!tangent.status()) {
815  return false;
816  }
817 
818  GlobalPoint tangentPoint = tangent.crossingPoint();
819  double rho = tangentPoint.perp();
820 
821  //reject candidates well outside of tracker bounds
822  if (rho > maxTrackRho_) {
823  return false;
824  }
825 
826  if (std::abs(tangentPoint.z()) > maxTrackZ_) {
827  return false;
828  }
829 
830  std::pair<GlobalTrajectoryParameters,GlobalTrajectoryParameters> trajs = tangent.trajectoryParameters();
831 
832  //very large separation in z, no hope
833  if (std::abs(trajs.first.position().z() - trajs.second.position().z()) > dzCut_) {
834  return false;
835  }
836 
837 
838  float minApproach = tangent.perpdist();
839  appDist = minApproach;
840 
841  if (allowMinApproach_ && (minApproach < minApproachLow_ || minApproach > minApproachHigh_) ) {
842  return false;
843  }
844 
845  return true;
846 
847 
848 }
T perp() const
Definition: PV3DBase.h:72
std::pair< GlobalTrajectoryParameters, GlobalTrajectoryParameters > trajectoryParameters() const
TrajectoryStateOnSurface innermostMeasurementState() const
bool status() const override
bool calculate(const TrajectoryStateOnSurface &sta, const TrajectoryStateOnSurface &stb) override
T z() const
Definition: PV3DBase.h:64
Tan< T >::type tan(const T &t)
Definition: Tan.h:22
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
bool calculate(const TrajectoryStateOnSurface &sta, const TrajectoryStateOnSurface &stb) override
const Track & track() const
GlobalPoint crossingPoint() const override
const math::XYZVector & innerMomentum() const
momentum vector at the innermost hit position
Definition: Track.h:60
bool status() const override
GlobalPoint crossingPoint() const override
void ConversionProducer::produce ( edm::Event iEvent,
const edm::EventSetup iSetup 
)
overrideprivate

Definition at line 183 of file ConversionProducer.cc.

References edm::PtrVector< T >::begin(), buildCollection(), buildSuperAndBasicClusterGeoMap(), ConvertedPhotonCollection_, edm::PtrVector< T >::end(), edm::EventSetup::get(), edm::Event::getByToken(), mps_fire::i, edm::HandleBase::isValid(), maxNumOfTrackInPU_, eostools::move(), edm::Handle< T >::product(), edm::ESHandle< T >::product(), edm::PtrVector< T >::push_back(), edm::Event::put(), src_, thettbuilder_, usePvtx_, particleFlowSuperClusterECAL_cfi::vertexCollection, and vertexProducer_.

184 {
185  using namespace edm;
186 
187  reco::ConversionCollection outputConvPhotonCollection;
188  auto outputConvPhotonCollection_p = std::make_unique<reco::ConversionCollection>();
189 
190  //std::cout << " ConversionProducer::produce " << std::endl;
191  //Read multiple track input collections
192 
193  edm::Handle<edm::View<reco::ConversionTrack> > trackCollectionHandle;
194  iEvent.getByToken(src_,trackCollectionHandle);
195 
196  //build map of ConversionTracks ordered in eta
197  std::multimap<float, edm::Ptr<reco::ConversionTrack> > convTrackMap;
199  for (size_t i = 0; i < trackCollectionHandle->size(); ++i)
200  trackPtrVector.push_back(trackCollectionHandle->ptrAt(i));
201 
202  for (edm::PtrVector<reco::ConversionTrack>::const_iterator tk_ref = trackPtrVector.begin(); tk_ref != trackPtrVector.end(); ++tk_ref ){
203  convTrackMap.insert(std::make_pair((*tk_ref)->track()->eta(),*tk_ref));
204  }
205 
208  if (usePvtx_){
209  iEvent.getByToken(vertexProducer_, vertexHandle);
210  if (!vertexHandle.isValid()) {
211  edm::LogError("ConversionProducer")
212  << "Error! Can't get the product primary Vertex Collection "<< "\n";
213  usePvtx_ = false;
214  }
215  if (usePvtx_)
216  vertexCollection = *(vertexHandle.product());
217  }
218 
219  edm::ESHandle<TransientTrackBuilder> hTransientTrackBuilder;
220  iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",hTransientTrackBuilder);
221  thettbuilder_ = hTransientTrackBuilder.product();
222 
223  reco::Vertex the_pvtx;
224  //because the priamry vertex is sorted by quality, the first one is the best
225  if (!vertexCollection.empty())
226  the_pvtx = *(vertexCollection.begin());
227 
228  if (trackCollectionHandle->size()> maxNumOfTrackInPU_){
229  iEvent.put(std::move(outputConvPhotonCollection_p), ConvertedPhotonCollection_);
230  return;
231  }
232 
233 
234  // build Super and Basic cluster geometry map to search in eta bounds for clusters
235  std::multimap<double, reco::CaloClusterPtr> basicClusterPtrs;
236  std::multimap<double, reco::CaloClusterPtr> superClusterPtrs;
237 
238 
239  buildSuperAndBasicClusterGeoMap(iEvent,basicClusterPtrs,superClusterPtrs);
240 
241  buildCollection( iEvent, iSetup, convTrackMap, superClusterPtrs, basicClusterPtrs, the_pvtx, outputConvPhotonCollection);//allow empty basicClusterPtrs
242 
243  outputConvPhotonCollection_p->assign(outputConvPhotonCollection.begin(), outputConvPhotonCollection.end());
244  iEvent.put(std::move(outputConvPhotonCollection_p), ConvertedPhotonCollection_);
245 
246 }
unsigned int maxNumOfTrackInPU_
edm::EDGetTokenT< reco::VertexCollection > vertexProducer_
OrphanHandle< PROD > put(std::unique_ptr< PROD > product)
Put a new product.
Definition: Event.h:137
bool getByToken(EDGetToken token, Handle< PROD > &result) const
Definition: Event.h:579
void push_back(Ptr< T > const &iPtr)
Definition: PtrVector.h:140
const TransientTrackBuilder * thettbuilder_
void buildCollection(edm::Event &iEvent, const edm::EventSetup &iSetup, const std::multimap< float, edm::Ptr< reco::ConversionTrack > > &allTracks, const std::multimap< double, reco::CaloClusterPtr > &superClusterPtrs, const std::multimap< double, reco::CaloClusterPtr > &basicClusterPtrs, const reco::Vertex &the_pvtx, reco::ConversionCollection &outputConvPhotonCollection)
void buildSuperAndBasicClusterGeoMap(const edm::Event &, std::multimap< double, reco::CaloClusterPtr > &basicClusterPtrs, std::multimap< double, reco::CaloClusterPtr > &superClusterPtrs)
std::vector< Vertex > VertexCollection
collection of Vertex objects
Definition: VertexFwd.h:9
std::vector< Conversion > ConversionCollection
collectin of Conversion objects
Definition: ConversionFwd.h:9
const_iterator begin() const
Definition: PtrVector.h:129
const_iterator end() const
Definition: PtrVector.h:134
bool isValid() const
Definition: HandleBase.h:74
T const * product() const
Definition: Handle.h:81
std::string ConvertedPhotonCollection_
edm::EDGetTokenT< edm::View< reco::ConversionTrack > > src_
HLT enums.
T get() const
Definition: EventSetup.h:63
T const * product() const
Definition: ESHandle.h:86
def move(src, dest)
Definition: eostools.py:510
math::XYZPointF ConversionProducer::toFConverterP ( const math::XYZPoint val)
inlineprivate

Definition at line 187 of file ConversionProducer.h.

Referenced by buildCollection().

187  {
188  return math::XYZPointF(val.x(),val.y(),val.z());
189  }
ROOT::Math::PositionVector3D< ROOT::Math::Cartesian3D< float > > XYZPointF
point in space with cartesian internal representation
Definition: Point3D.h:10
math::XYZVectorF ConversionProducer::toFConverterV ( const math::XYZVector val)
inlineprivate

Definition at line 191 of file ConversionProducer.h.

Referenced by buildCollection().

191  {
192  return math::XYZVectorF(val.x(),val.y(),val.z());
193  }
ROOT::Math::DisplacementVector3D< ROOT::Math::Cartesian3D< float > > XYZVectorF
spatial vector with cartesian internal representation
Definition: Vector3D.h:17
bool ConversionProducer::trackD0Cut ( const edm::RefToBase< reco::Track > &  ref)
inlineprivate

Definition at line 619 of file ConversionProducer.cc.

References allowD0_, reco::TrackBase::charge(), reco::TrackBase::d0(), d0Cut_, and reco::TrackBase::d0Error().

Referenced by buildCollection().

619  {
620  //NOTE if not allow d0 cut, always true
621  return ((!allowD0_) || !(ref->d0()*ref->charge()/ref->d0Error()<d0Cut_));
622 }
double d0Error() const
error on d0
Definition: TrackBase.h:802
double d0() const
dxy parameter in perigee convention (d0 = -dxy)
Definition: TrackBase.h:597
int charge() const
track electric charge
Definition: TrackBase.h:567
bool ConversionProducer::trackD0Cut ( const edm::RefToBase< reco::Track > &  ref,
const reco::Vertex the_pvtx 
)
inlineprivate

Definition at line 624 of file ConversionProducer.cc.

References allowD0_, reco::TrackBase::charge(), d0Cut_, reco::TrackBase::dxy(), reco::TrackBase::dxyError(), and reco::Vertex::position().

624  {
625  //
626  return ((!allowD0_) || !(-ref->dxy(the_pvtx.position())*ref->charge()/ref->dxyError()<d0Cut_));
627 }
double dxyError() const
error on dxy
Definition: TrackBase.h:796
const Point & position() const
position
Definition: Vertex.h:109
int charge() const
track electric charge
Definition: TrackBase.h:567
double dxy() const
dxy parameter. (This is the transverse impact parameter w.r.t. to (0,0,0) ONLY if refPoint is close t...
Definition: TrackBase.h:591
bool ConversionProducer::trackQualityFilter ( const edm::RefToBase< reco::Track > &  ref,
bool  isLeft 
)
inlineprivate

Definition at line 608 of file ConversionProducer.cc.

References reco::Track::found(), maxChi2Left_, maxChi2Right_, minHitsLeft_, minHitsRight_, and reco::TrackBase::normalizedChi2().

Referenced by buildCollection().

608  {
609  bool pass = true;
610  if (isLeft){
611  pass = (ref->normalizedChi2() < maxChi2Left_ && ref->found() >= minHitsLeft_);
612  } else {
613  pass = (ref->normalizedChi2() < maxChi2Right_ && ref->found() >= minHitsRight_);
614  }
615 
616  return pass;
617 }
double normalizedChi2() const
chi-squared divided by n.d.o.f. (or chi-squared * 1e6 if n.d.o.f. is zero)
Definition: TrackBase.h:561
unsigned short found() const
Number of valid hits on track.
Definition: Track.h:194

Member Data Documentation

std::string ConversionProducer::algoName_
private

Definition at line 84 of file ConversionProducer.h.

Referenced by buildCollection(), and ConversionProducer().

bool ConversionProducer::allowD0_
private

Definition at line 97 of file ConversionProducer.h.

Referenced by ConversionProducer(), and trackD0Cut().

bool ConversionProducer::allowDeltaCot_
private

Definition at line 97 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

bool ConversionProducer::allowDeltaPhi_
private

Definition at line 97 of file ConversionProducer.h.

Referenced by checkPhi(), and ConversionProducer().

bool ConversionProducer::allowMinApproach_
private

Definition at line 97 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

bool ConversionProducer::allowOppCharge_
private

Definition at line 97 of file ConversionProducer.h.

Referenced by buildCollection(), and ConversionProducer().

bool ConversionProducer::allowSingleLeg_
private

Definition at line 131 of file ConversionProducer.h.

Referenced by ConversionProducer().

bool ConversionProducer::allowTrackBC_
private

Definition at line 97 of file ConversionProducer.h.

Referenced by buildCollection(), checkTrackPair(), and ConversionProducer().

bool ConversionProducer::allowVertex_
private

Definition at line 97 of file ConversionProducer.h.

Referenced by ConversionProducer().

edm::EDGetTokenT<edm::View<reco::CaloCluster> > ConversionProducer::bcBarrelCollection_
private

Definition at line 93 of file ConversionProducer.h.

Referenced by buildSuperAndBasicClusterGeoMap(), and ConversionProducer().

edm::EDGetTokenT<edm::View<reco::CaloCluster> > ConversionProducer::bcEndcapCollection_
private

Definition at line 94 of file ConversionProducer.h.

Referenced by buildSuperAndBasicClusterGeoMap(), and ConversionProducer().

bool ConversionProducer::bypassPreselEcal_
private

Definition at line 99 of file ConversionProducer.h.

Referenced by buildCollection(), and ConversionProducer().

bool ConversionProducer::bypassPreselEcalEcal_
private

Definition at line 99 of file ConversionProducer.h.

Referenced by buildCollection(), and ConversionProducer().

bool ConversionProducer::bypassPreselGsf_
private

Definition at line 99 of file ConversionProducer.h.

Referenced by buildCollection(), and ConversionProducer().

std::string ConversionProducer::ConvertedPhotonCollection_
private

Definition at line 95 of file ConversionProducer.h.

Referenced by ConversionProducer(), and produce().

double ConversionProducer::d0Cut_
private

Definition at line 118 of file ConversionProducer.h.

Referenced by ConversionProducer(), and trackD0Cut().

double ConversionProducer::deltaCotTheta_
private

Definition at line 125 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

double ConversionProducer::deltaEta_
private

Definition at line 107 of file ConversionProducer.h.

Referenced by buildCollection(), and ConversionProducer().

double ConversionProducer::deltaPhi_
private

Definition at line 125 of file ConversionProducer.h.

Referenced by checkPhi(), and ConversionProducer().

double ConversionProducer::dEtacutForSCmatching_
private

Definition at line 114 of file ConversionProducer.h.

Referenced by ConversionProducer(), and matchingSC().

double ConversionProducer::dEtaTkBC_
private

Definition at line 120 of file ConversionProducer.h.

Referenced by ConversionProducer(), and getMatchedBC().

double ConversionProducer::dPhicutForSCmatching_
private

Definition at line 115 of file ConversionProducer.h.

Referenced by ConversionProducer(), and matchingSC().

double ConversionProducer::dPhiTkBC_
private

Definition at line 120 of file ConversionProducer.h.

Referenced by ConversionProducer(), and getMatchedBC().

double ConversionProducer::dzCut_
private

Definition at line 119 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

double ConversionProducer::energyBC_
private

Definition at line 116 of file ConversionProducer.h.

Referenced by buildSuperAndBasicClusterGeoMap(), and ConversionProducer().

double ConversionProducer::energyTotalBC_
private

Definition at line 117 of file ConversionProducer.h.

Referenced by buildCollection(), checkTrackPair(), and ConversionProducer().

double ConversionProducer::halfWayEta_
private

Definition at line 109 of file ConversionProducer.h.

Referenced by ConversionProducer(), and getMatchedBC().

double ConversionProducer::halfWayPhi_
private

Definition at line 109 of file ConversionProducer.h.

double ConversionProducer::maxChi2Left_
private

Definition at line 122 of file ConversionProducer.h.

Referenced by ConversionProducer(), and trackQualityFilter().

double ConversionProducer::maxChi2Right_
private

Definition at line 122 of file ConversionProducer.h.

Referenced by ConversionProducer(), and trackQualityFilter().

unsigned int ConversionProducer::maxNumOfTrackInPU_
private

Definition at line 110 of file ConversionProducer.h.

Referenced by ConversionProducer(), and produce().

double ConversionProducer::maxTrackRho_
private

Definition at line 112 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

double ConversionProducer::maxTrackZ_
private

Definition at line 111 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

double ConversionProducer::minApproachHigh_
private

Definition at line 125 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

double ConversionProducer::minApproachLow_
private

Definition at line 125 of file ConversionProducer.h.

Referenced by ConversionProducer().

double ConversionProducer::minHitsLeft_
private

Definition at line 123 of file ConversionProducer.h.

Referenced by ConversionProducer(), and trackQualityFilter().

double ConversionProducer::minHitsRight_
private

Definition at line 123 of file ConversionProducer.h.

Referenced by ConversionProducer(), and trackQualityFilter().

double ConversionProducer::minSCEt_
private

Definition at line 113 of file ConversionProducer.h.

Referenced by buildSuperAndBasicClusterGeoMap(), and ConversionProducer().

double ConversionProducer::r_cut
private

Definition at line 128 of file ConversionProducer.h.

Referenced by ConversionProducer(), and preselectTrackPair().

bool ConversionProducer::rightBC_
private

Definition at line 132 of file ConversionProducer.h.

Referenced by checkTrackPair(), and ConversionProducer().

edm::EDGetTokenT<edm::View<reco::CaloCluster> > ConversionProducer::scBarrelProducer_
private

Definition at line 91 of file ConversionProducer.h.

Referenced by buildSuperAndBasicClusterGeoMap(), and ConversionProducer().

edm::EDGetTokenT<edm::View<reco::CaloCluster> > ConversionProducer::scEndcapProducer_
private

Definition at line 92 of file ConversionProducer.h.

Referenced by buildSuperAndBasicClusterGeoMap(), and ConversionProducer().

edm::EDGetTokenT<edm::View<reco::ConversionTrack> > ConversionProducer::src_
private

Definition at line 89 of file ConversionProducer.h.

Referenced by ConversionProducer(), and produce().

const TransientTrackBuilder* ConversionProducer::thettbuilder_
private

Definition at line 105 of file ConversionProducer.h.

Referenced by buildCollection(), ConversionProducer(), and produce().

ConversionVertexFinder* ConversionProducer::theVertexFinder_
private

Definition at line 103 of file ConversionProducer.h.

Referenced by checkVertex(), ConversionProducer(), and ~ConversionProducer().

bool ConversionProducer::usePvtx_
private

Definition at line 101 of file ConversionProducer.h.

Referenced by ConversionProducer(), and produce().

edm::EDGetTokenT<reco::VertexCollection> ConversionProducer::vertexProducer_
private

Definition at line 102 of file ConversionProducer.h.

Referenced by ConversionProducer(), and produce().

double ConversionProducer::vtxChi2_
private

Definition at line 129 of file ConversionProducer.h.

Referenced by buildCollection(), and ConversionProducer().