InOutConversionSeedFinder Class Reference

#include <InOutConversionSeedFinder.h>

Inheritance diagram for InOutConversionSeedFinder:

Public Member Functions
	InOutConversionSeedFinder (const edm::ParameterSet &config, edm::ConsumesCollector &&iC)
void	makeSeeds (const edm::Handle< edm::View< reco::CaloCluster > > &allBc) override
void	setTracks (std::vector< Trajectory > const &in)
	~InOutConversionSeedFinder () override
Public Member Functions inherited from ConversionSeedFinder
void	clear ()
	ConversionSeedFinder ()
	ConversionSeedFinder (const edm::ParameterSet &config, edm::ConsumesCollector &iC)
const MeasurementTracker *	getMeasurementTracker () const
std::vector< const DetLayer * > const &	layerList () const
TrajectorySeedCollection &	seeds ()
virtual void	setCandidate (float e, GlobalPoint pos)
void	setEvent (const edm::Event &e)
void	setEventSetup (const edm::EventSetup &es)
	Initialize EventSetup objects at each event. More...
void	setMeasurementTracker (const MeasurementTracker *tracker) const
void	setNavigationSchool (const NavigationSchool *navigation)
virtual	~ConversionSeedFinder ()

Private Types
typedef FreeTrajectoryState	FTS
typedef TrajectoryStateOnSurface	TSOS

Private Member Functions
void	completeSeed (const TrajectoryMeasurement &m1, const FreeTrajectoryState &fts, const Propagator *propagator, int ilayer)
void	createSeed (const TrajectoryMeasurement &m1, const TrajectoryMeasurement &m2)
virtual void	fillClusterSeeds ()
virtual void	findSeeds (const TrajectoryStateOnSurface &startingState, float signedpt, unsigned int startingLayer)
std::vector< const reco::CaloCluster * >	getSecondCaloClusters (const GlobalPoint &conversionPosition, float charge) const
void	startSeed (const FreeTrajectoryState *fts, const TrajectoryStateOnSurface &stateAtPreviousLayer, int charge, int layer)

Private Attributes
edm::Handle< edm::View< reco::CaloCluster > >	bcCollection_
edm::ParameterSet	conf_
std::vector< Trajectory >	inputTracks_
int	maxNumberOfInOutSeedsPerInputTrack_
TrajectoryMeasurement *	myPointer
int	nSeedsPerInputTrack_
float	the2ndHitdphi_
float	the2ndHitdzConst_
float	the2ndHitdznSigma_
std::vector< TrajectoryMeasurement >	theFirstMeasurements_
std::vector< Trajectory >	theOutInTracks_
reco::CaloCluster	theSecondBC_
int	track2Charge_
GlobalVector	track2InitialMomentum_

Additional Inherited Members
Protected Member Functions inherited from ConversionSeedFinder
void	findLayers ()
void	findLayers (const FreeTrajectoryState &fts)
void	printLayer (int i) const
FreeTrajectoryState	trackStateFromClusters (int aCharge, const GlobalPoint &gpOrigine, PropagationDirection dir, float scaleFactor) const
Protected Attributes inherited from ConversionSeedFinder
edm::EDGetTokenT< reco::BeamSpot >	beamSpotToken_
PropagationDirection	dir_
edm::EDGetTokenT< MeasurementTrackerEvent >	measurementTrkToken_
float	theBCEnergy_
GlobalPoint	theBCPosition_
reco::BeamSpot	theBeamSpot_
edm::ESHandle< GeometricSearchTracker >	theGeomSearchTracker_
std::vector< const DetLayer * >	theLayerList_
const MeasurementTracker *	theMeasurementTracker_
std::string	theMeasurementTrackerName_
edm::ESHandle< MagneticField >	theMF_
const NavigationSchool *	theNavigationSchool_ = nullptr
const Propagator *	thePropagatorAlongMomentum_
const Propagator *	thePropagatorOppositeToMomentum_
reco::CaloCluster *	theSC_
float	theSCenergy_
GlobalPoint	theSCPosition_
TrajectorySeedCollection	theSeeds_
edm::Handle< MeasurementTrackerEvent >	theTrackerData_
const TrackingGeometry *	theTrackerGeom_
KFUpdator	theUpdator_

Detailed Description

Author

Nancy Marinelli, U. of Notre Dame, US

Definition at line 34 of file InOutConversionSeedFinder.h.

Member Typedef Documentation

FTS

typedef FreeTrajectoryState InOutConversionSeedFinder::FTS

private

Definition at line 36 of file InOutConversionSeedFinder.h.

TSOS

typedef TrajectoryStateOnSurface InOutConversionSeedFinder::TSOS

private

Definition at line 37 of file InOutConversionSeedFinder.h.

Constructor & Destructor Documentation

InOutConversionSeedFinder()

InOutConversionSeedFinder::InOutConversionSeedFinder	(	const edm::ParameterSet &	config,
		edm::ConsumesCollector &&	iC
	)

Definition at line 21 of file InOutConversionSeedFinder.cc.

    : ConversionSeedFinder(conf, iC), conf_(conf) {
  // std::cout << " InOutConversionSeedFinder CTOR " << "\n";
 
  maxNumberOfInOutSeedsPerInputTrack_ = conf_.getParameter<int>("maxNumOfSeedsInOut");
  //the2ndHitdphi_ = 0.008;
  the2ndHitdphi_ = 0.01;
  the2ndHitdzConst_ = 5.;
  the2ndHitdznSigma_ = 2.;
}

References conf_, edm::ParameterSet::getParameter(), maxNumberOfInOutSeedsPerInputTrack_, the2ndHitdphi_, the2ndHitdzConst_, and the2ndHitdznSigma_.

~InOutConversionSeedFinder()

InOutConversionSeedFinder::~InOutConversionSeedFinder ( )

override

Definition at line 32 of file InOutConversionSeedFinder.cc.

                                                      {
  //std::cout << " InOutConversionSeedFinder DTOR " << "\n";
}

Member Function Documentation

completeSeed()

void InOutConversionSeedFinder::completeSeed ( const TrajectoryMeasurement &  m1, const FreeTrajectoryState &  fts, const Propagator *  propagator, int  ilayer  )

private

} / end debug

Definition at line 484 of file InOutConversionSeedFinder.cc.

                                                         {
  //std::cout<<  "InOutConversionSeedFinder::completeSeed ilayer " << ilayer <<  "\n";
  // A seed is made from 2 Trajectory Measuremennts.  The 1st is the input
  // argument m1.  This routine looks for the 2nd measurement in layer ilayer
  // Begin by making a new much stricter MeasurementEstimator based on the
  // position errors of the 1st hit.
  printLayer(ilayer);
 
  MeasurementEstimator* newEstimator;
  std::vector<const DetLayer*> allLayers = layerList();
  const DetLayer* layer = allLayers[ilayer];
 
  //  if ( layer->location() == GeomDetEnumerators::barrel ) {const BarrelDetLayer * barrelLayer = dynamic_cast<const BarrelDetLayer*>(layer);
  // //std::cout << "InOutConversionSeedFinder::completeSeed  ****  Barrel on layer " << ilayer  << " R= " << barrelLayer->specificSurface().radius() <<  "\n";
  // } else {
  // const ForwardDetLayer * forwardLayer = dynamic_cast<const ForwardDetLayer*>(layer);
  //  //std::cout << "InOutConversionSeedFinder::completeSeed ****  Forw on layer " << ilayer  << " Z= " << forwardLayer->specificSurface().position().z() <<  "\n";
 
  if (layer->location() == GeomDetEnumerators::barrel) {
    float dz = sqrt(the2ndHitdznSigma_ * the2ndHitdznSigma_ * m1.recHit()->globalPositionError().czz() +
                    the2ndHitdzConst_ * the2ndHitdzConst_);
    newEstimator = new ConversionBarrelEstimator(-the2ndHitdphi_, the2ndHitdphi_, -dz, dz);
 
  } else {
    float m1dr = sqrt(m1.recHit()->localPositionError().yy());
    float dr = sqrt(the2ndHitdznSigma_ * the2ndHitdznSigma_ * m1dr * m1dr + the2ndHitdzConst_ * the2ndHitdznSigma_);
 
    newEstimator = new ConversionForwardEstimator(-the2ndHitdphi_, the2ndHitdphi_, dr);
  }
 
  //std::cout << "InOutConversionSeedFinder::completeSeed fts For the TSOS " << fts << "\n";
 
  TSOS tsos(fts, layer->surface());
 
  if (!tsos.isValid()) {
    //std::cout  << "InOutConversionSeedFinder::completeSeed TSOS is not valid " <<  "\n";
  }
 
  //std::cout << "InOutConversionSeedFinder::completeSeed TSOS " << tsos << "\n";
  //std::cout << "InOutConversionSeedFinder::completeSeed propagationDirection  " << int(propagator->propagationDirection() ) << "\n";
  //std::cout << "InOutConversionSeedFinder::completeSeed pointer to estimator " << newEstimator << "\n";
 
  LayerMeasurements theLayerMeasurements_(*this->getMeasurementTracker(), *theTrackerData_);
  std::vector<TrajectoryMeasurement> measurements =
      theLayerMeasurements_.measurements(*layer, tsos, *propagator, *newEstimator);
  //std::cout << "InOutConversionSeedFinder::completeSeed Found " << measurements.size() << " second hits " <<  "\n";
  delete newEstimator;
 
  for (unsigned int i = 0; i < measurements.size(); ++i) {
    if (measurements[i].recHit()->isValid()) {
      createSeed(m1, measurements[i]);
    }
  }
}

References GeomDetEnumerators::barrel, createSeed(), flavorHistoryFilter_cfi::dr, PVValHelper::dz, ConversionSeedFinder::getMeasurementTracker(), mps_fire::i, phase1PixelTopology::layer, ConversionSeedFinder::layerList(), LayerMeasurements::measurements(), ConversionSeedFinder::printLayer(), TrackCandidateProducer_cfi::propagator, rpcPointValidation_cfi::recHit, TrajectoryMeasurement::recHit(), mathSSE::sqrt(), the2ndHitdphi_, the2ndHitdzConst_, the2ndHitdznSigma_, and ConversionSeedFinder::theTrackerData_.

Referenced by findSeeds().

createSeed()

void InOutConversionSeedFinder::createSeed ( const TrajectoryMeasurement &  m1, const TrajectoryMeasurement &  m2  )

private

Definition at line 545 of file InOutConversionSeedFinder.cc.

                                                                                                           {
  //std::cout << "InOutConversionSeedFinder::createSeed " << "\n";
 
  if (m1.predictedState().isValid()) {
    GlobalTrajectoryParameters newgtp(m1.recHit()->globalPosition(), track2InitialMomentum_, track2Charge_, &(*theMF_));
    CurvilinearTrajectoryError errors = m1.predictedState().curvilinearError();
    FreeTrajectoryState fts(newgtp, errors);
 
    TrajectoryStateOnSurface state1 = thePropagatorAlongMomentum_->propagate(fts, m1.recHit()->det()->surface());
 
    /*
   //std::cout << "hit surface " <<  m1.recHit()->det()->surface().position() << "\n";
   //std::cout << "prop to " << typeid( m1.recHit()->det()->surface() ).name() <<"\n";
   //std::cout << "prop to first hit " << state1 << "\n"; 
   //std::cout << "update to " <<  m1.recHit()->globalPosition() << "\n";
  */
 
    if (state1.isValid()) {
      TrajectoryStateOnSurface updatedState1 = theUpdator_.update(state1, *m1.recHit());
 
      if (updatedState1.isValid()) {
        TrajectoryStateOnSurface state2 =
            thePropagatorAlongMomentum_->propagate(*updatedState1.freeTrajectoryState(), m2.recHit()->det()->surface());
 
        if (state2.isValid()) {
          TrajectoryStateOnSurface updatedState2 = theUpdator_.update(state2, *m2.recHit());
          TrajectoryMeasurement meas1(state1, updatedState1, m1.recHit(), m1.estimate(), m1.layer());
          TrajectoryMeasurement meas2(state2, updatedState2, m2.recHit(), m2.estimate(), m2.layer());
 
          edm::OwnVector<TrackingRecHit> myHits;
          myHits.push_back(meas1.recHit()->hit()->clone());
          myHits.push_back(meas2.recHit()->hit()->clone());
 
          //std::cout << "InOutConversionSeedFinder::createSeed new seed " << "\n";
          if (nSeedsPerInputTrack_ >= maxNumberOfInOutSeedsPerInputTrack_)
            return;
 
          PTrajectoryStateOnDet const& ptsod =
              trajectoryStateTransform::persistentState(state2, meas2.recHit()->hit()->geographicalId().rawId());
          //std::cout << "  InOutConversionSeedFinder::createSeed New seed parameters " << state2 << "\n";
 
          theSeeds_.push_back(TrajectorySeed(ptsod, myHits, alongMomentum));
          nSeedsPerInputTrack_++;
 
          //std::cout << "InOutConversionSeedFinder::createSeed New seed hit 1 R " << m1.recHit()->globalPosition().perp() << "\n";
          //std::cout << "InOutConversionSeedFinder::createSeed New seed hit 2 R " << m2.recHit()->globalPosition().perp() << "\n";
        }
      }
    }
  }
}

References alongMomentum, TrajectoryStateOnSurface::curvilinearError(), TrajectoryMeasurement::estimate(), TrajectoryStateOnSurface::freeTrajectoryState(), TrajectoryStateOnSurface::isValid(), TrajectoryMeasurement::layer(), callgraph::m2, maxNumberOfInOutSeedsPerInputTrack_, nSeedsPerInputTrack_, trajectoryStateTransform::persistentState(), TrajectoryMeasurement::predictedState(), Propagator::propagate(), edm::OwnVector< T, P >::push_back(), TrajectoryMeasurement::recHit(), ConversionSeedFinder::thePropagatorAlongMomentum_, ConversionSeedFinder::theSeeds_, ConversionSeedFinder::theUpdator_, track2Charge_, track2InitialMomentum_, and KFUpdator::update().

Referenced by completeSeed().

fillClusterSeeds()

void InOutConversionSeedFinder::fillClusterSeeds ( )

privatevirtual

Definition at line 52 of file InOutConversionSeedFinder.cc.

                                                 {
  std::vector<Trajectory>::const_iterator outInTrackItr;
 
  //std::cout << "  InOutConversionSeedFinder::fillClusterSeeds outInTracks_.size " << theOutInTracks_.size() << "\n";
  //Start looking for seeds for both of the 2 best tracks from the inward tracking
 
  /*
  for(outInTrackItr = theOutInTracks_.begin(); outInTrackItr != theOutInTracks_.end();  ++outInTrackItr) {
 
 
   //std::cout << " InOutConversionSeedFinder::fillClusterSeeds out in input track hits " << (*outInTrackItr).foundHits() << "\n";
    DetId tmpId = DetId( (*outInTrackItr).seed().startingState().detId());
    const GeomDet* tmpDet  = this->getMeasurementTracker()->geomTracker()->idToDet( tmpId );
    GlobalVector gv = tmpDet->surface().toGlobal( (*outInTrackItr).seed().startingState().parameters().momentum() );
 
 
   //std::cout << " InOutConversionSeedFinder::fillClusterSeed was built from seed position " <<gv   <<  " charge " << (*outInTrackItr).seed().startingState().parameters().charge() << "\n";
 
    Trajectory::DataContainer m=  outInTrackItr->measurements();
    int nHit=0;
    for (Trajectory::DataContainer::iterator itm = m.begin(); itm != m.end(); ++itm) {
      if ( itm->recHit()->isValid()  ) {
        nHit++;
    //std::cout << nHit << ")  Valid RecHit global position " << itm->recHit()->globalPosition() << " R " <<  itm->recHit()->globalPosition().perp() << " phi " << itm->recHit()->globalPosition().phi() << " eta " << itm->recHit()->globalPosition().eta() << "\n";
      } 
 
    }
 
  }
 
  */
 
  //Start looking for seeds for both of the 2 best tracks from the inward tracking
  for (outInTrackItr = theOutInTracks_.begin(); outInTrackItr != theOutInTracks_.end(); ++outInTrackItr) {
    //std::cout << " InOutConversionSeedFinder::fillClusterSeeds out in input track hits " << (*outInTrackItr).foundHits() << "\n";
    nSeedsPerInputTrack_ = 0;
 
    //Find the first valid hit of the track
    // Measurements are ordered according to the direction in which the trajectories were built
    std::vector<TrajectoryMeasurement> measurements = (*outInTrackItr).measurements();
 
    std::vector<const DetLayer*> allLayers = layerList();
 
    //std::cout << "  InOutConversionSeedFinder::fill clusterSeed allLayers.size " <<  allLayers.size() << "\n";
    for (unsigned int i = 0; i < allLayers.size(); ++i) {
      //std::cout <<  " allLayers " << allLayers[i] << "\n";
      printLayer(i);
    }
 
    std::vector<const DetLayer*> myLayers;
    myLayers.clear();
    std::vector<TrajectoryMeasurement>::reverse_iterator measurementItr;
    std::vector<TrajectoryMeasurement*> myItr;
    // TrajectoryMeasurement* myPointer=0;
    myPointer = nullptr;
    //std::cout << "  InOutConversionSeedFinder::fillClusterSeeds measurements.size " << measurements.size() <<"\n";
 
    for (measurementItr = measurements.rbegin(); measurementItr != measurements.rend(); ++measurementItr) {
      if ((*measurementItr).recHit()->isValid()) {
        //std::cout << "  InOutConversionSeedFinder::fillClusterSeeds measurement on  layer  " << measurementItr->layer() <<   " " <<&(*measurementItr) <<  " position " << measurementItr->recHit()->globalPosition() <<   " R " << sqrt( measurementItr->recHit()->globalPosition().x()*measurementItr->recHit()->globalPosition().x() + measurementItr->recHit()->globalPosition().y()*measurementItr->recHit()->globalPosition().y() ) << " Z " << measurementItr->recHit()->globalPosition().z() << " phi " <<  measurementItr->recHit()->globalPosition().phi() << "\n";
 
        myLayers.push_back(measurementItr->layer());
        myItr.push_back(&(*measurementItr));
      }
    }
 
    //std::cout << " InOutConversionSeedFinder::fillClusterSeed myLayers.size " <<  myLayers.size() << "\n";
    //    for( unsigned int i = 0; i < myLayers.size(); ++i) {
    // }
 
    if (myItr.empty()) {
      //std::cout << "HORRENDOUS ERROR!  No meas on track!" << "\n";
    }
    unsigned int ilayer;
    for (ilayer = 0; ilayer < allLayers.size(); ++ilayer) {
      //std::cout <<  " allLayers in the search loop  " << allLayers[ilayer] <<  " " << myLayers[0] <<  "\n";
      if (allLayers[ilayer] == myLayers[0]) {
        myPointer = myItr[0];
 
        //std::cout <<  " allLayers in the search loop   allLayers[ilayer] == myLayers[0])  " << allLayers[ilayer] <<  " " << myLayers[0] <<  " myPointer " << myPointer << "\n";
 
        //std::cout  << "Layer " << ilayer << "  contains the first valid measurement " << "\n";
        printLayer(ilayer);
 
        if ((myLayers[0])->location() == GeomDetEnumerators::barrel) {
          //      const BarrelDetLayer * barrelLayer = dynamic_cast<const BarrelDetLayer*>(myLayers[0]);
          //std::cout << " InOutConversionSeedFinder::fillClusterSeeds  **** firstHit found in Barrel on layer " << ilayer  << " R= " << barrelLayer->specificSurface().radius() <<   "\n";
        } else {
          //const ForwardDetLayer * forwardLayer = dynamic_cast<const ForwardDetLayer*>(myLayers[0]);
          //std::cout << " InOutwardConversionSeedFinder::fillClusterSeeds  **** firstHit found in Forw on layer " << ilayer  << " Z= " << forwardLayer->specificSurface().position().z() <<  "\n";
        }
 
        break;
 
      } else if (allLayers[ilayer] == myLayers[1]) {
        myPointer = myItr[1];
 
        //std::cout <<  " allLayers in the search loop   allLayers[ilayer] == myLayers[1])  " << allLayers[ilayer] <<  " " << myLayers[1] <<  " myPointer " << myPointer << "\n";
 
        //std::cout << "Layer " << ilayer << "  contains the first innermost  valid measurement " << "\n";
        if ((myLayers[1])->location() == GeomDetEnumerators::barrel) {
          //      const BarrelDetLayer * barrelLayer = dynamic_cast<const BarrelDetLayer*>(myLayers[1]);
          //std::cout << " InOutConversionSeedFinder::fillClusterSeeds  **** 2ndHit found in Barrel on layer " << ilayer  << " R= " << barrelLayer->specificSurface().radius() <<   "\n";
        } else {
          //const ForwardDetLayer * forwardLayer = dynamic_cast<const ForwardDetLayer*>(myLayers[1]);
          //std::cout << " InOutwardConversionSeedFinder::fillClusterSeeds  ****  2ndHitfound on forw layer " << ilayer  << " Z= " << forwardLayer->specificSurface().position().z() <<  "\n";
        }
 
        break;
      }
    }
 
    if (ilayer == allLayers.size()) {
      //std::cout << "InOutConversionSeedFinder::fillClusterSeeds ERROR could not find layer on list" <<  "\n";
      return;
    }
 
    //PropagatorWithMaterial reversePropagator(oppositeToMomentum, 0.000511, &(*theMF_) );
    assert(myPointer);
    const FreeTrajectoryState* fts = myPointer->updatedState().freeTrajectoryState();
 
    //std::cout << " InOutConversionSeedFinder::fillClusterSeeds First FTS charge " << fts->charge() << " Position " << fts->position() << " momentum " << fts->momentum() << " R " << sqrt(fts->position().x()*fts->position().x() + fts->position().y()* fts->position().y() ) << " Z " << fts->position().z() << " phi " << fts->position().phi() << " fts parameters " << fts->parameters() << "\n";
 
    while (ilayer > 0) {
      //std::cout << " InOutConversionSeedFinder::fillClusterSeeds looking for 2nd seed from layer " << ilayer << "\n";
 
      //   if ( (allLayers[ilayer])->location() == GeomDetEnumerators::barrel ) {const BarrelDetLayer * barrelLayer = dynamic_cast<const BarrelDetLayer*>(allLayers[ilayer]);
      //std::cout <<  " InOutConversionSeedFinder::fillClusterSeeds  ****  Barrel on layer " << ilayer  << " R= " << barrelLayer->specificSurface().radius() <<  "\n";
      // } else {
      //const ForwardDetLayer * forwardLayer = dynamic_cast<const ForwardDetLayer*>(allLayers[ilayer]);
      //std::cout <<  " InOutConversionSeedFinder::fillClusterSeeds  ****  Forw on layer " << ilayer  << " Z= " << forwardLayer->specificSurface().position().z() << "\n";
      //      }
 
      const DetLayer* previousLayer = allLayers[ilayer];
      TrajectoryStateOnSurface stateAtPreviousLayer;
      //std::cout << " InOutConversionSeedFinder::fillClusterSeeds previousLayer->surface() position before  " <<allLayers[ilayer] << " " <<  previousLayer->surface().position() << " layer location " << previousLayer->location() << "\n";
      // Propagate to the previous layer
      // The present layer is actually included in the loop so that a partner can be searched for
      // Applying the propagator to the same layer does not do any harm. It simply does nothing
 
      //     const Propagator& newProp=thePropagatorOppositeToMomentum_;
      //std::cout << " InOutConversionSeedFinder::fillClusterSeeds reversepropagator direction " << thePropagatorOppositeToMomentum_->propagationDirection()  << "\n";
      if (ilayer - 1 > 0) {
        if (allLayers[ilayer] == myLayers[0]) {
          //std::cout << " innermost hit R " << myPointer->recHit()->globalPosition().perp() << " Z " << myPointer->recHit()->globalPosition().z() << " phi " <<myPointer->recHit()->globalPosition().phi() << "\n";
          //std::cout << " surface R " << theTrackerGeom_->idToDet(  myPointer->recHit() ->geographicalId())->surface().position().perp() <<  " Z " <<  theTrackerGeom_->idToDet(  myPointer->recHit() ->geographicalId())->surface().position().z() << " phi " << theTrackerGeom_->idToDet(  myPointer->recHit() ->geographicalId())->surface().position().phi() << "\n";
 
          stateAtPreviousLayer = thePropagatorOppositeToMomentum_->propagate(
              *fts, theTrackerGeom_->idToDet(myPointer->recHit()->geographicalId())->surface());
 
        } else {
          stateAtPreviousLayer = thePropagatorOppositeToMomentum_->propagate(*fts, previousLayer->surface());
          //std::cout << " InOutConversionSeedFinder::fillClusterSeeds previousLayer->surface() position after " << previousLayer->surface().position() << " layer location " << previousLayer->location() <<   "\n";
        }
 
      } else if (ilayer - 1 == 0) {
 
        //stateAtPreviousLayer= thePropagatorOppositeToMomentum_->propagate(*fts,   theTrackerGeom_->idToDet(  myPointer->recHit() ->geographicalId())->surface()   );
        stateAtPreviousLayer = thePropagatorOppositeToMomentum_->propagate(*fts, previousLayer->surface());
      }
 
      if (!stateAtPreviousLayer.isValid()) {
        //std::cout << "InOutConversionSeedFinder::fillClusterSeeds ERROR:could not propagate back to layer "  << ilayer << "\n";
      } else {
        //std::cout << "InOutConversionSeedFinder::fillClusterSeeds  stateAtPreviousLayer is valid.  Propagating back to layer "  << ilayer << "\n";
        //std::cout << "InOutConversionSeedFinder::fillClusterSeeds stateAtPreviousLayer R  " << stateAtPreviousLayer.globalPosition().perp()  << " Z " << stateAtPreviousLayer.globalPosition().z() << " phi " <<  stateAtPreviousLayer.globalPosition().phi() << "\n";
 
        startSeed(fts, stateAtPreviousLayer, -1, ilayer);
      }
 
      --ilayer;
    }
 
    if (ilayer == 0) {
      //     if ( (allLayers[ilayer])->location() == GeomDetEnumerators::barrel ) {const BarrelDetLayer * barrelLayer = dynamic_cast<const BarrelDetLayer*>(allLayers[ilayer]);
      // //std::cout <<  " InOutConversionSeedFinder::fillClusterSeeds  ****  Barrel on layer " << ilayer  << " R= " << barrelLayer->specificSurface().radius() <<  "\n";
      // } else {
      //const ForwardDetLayer * forwardLayer = dynamic_cast<const ForwardDetLayer*>(allLayers[ilayer]);
      //std::cout <<  " InOutConversionSeedFinder::fillClusterSeeds  ****  Forw on layer " << ilayer  << " Z= " << forwardLayer->specificSurface().position().z() << "\n";
      // }
      const DetLayer* previousLayer = allLayers[ilayer];
      TrajectoryStateOnSurface stateAtPreviousLayer;
      stateAtPreviousLayer = thePropagatorOppositeToMomentum_->propagate(*fts, previousLayer->surface());
 
      if (!stateAtPreviousLayer.isValid()) {
        //std::cout << "InOutConversionSeedFinder::fillClusterSeeds ERROR:could not propagate back to layer "  << ilayer << "\n";
      } else {
        //std::cout << "InOutConversionSeedFinder::fillClusterSeeds  stateAtPreviousLayer is valid.  Propagating back to layer "  << ilayer << "\n";
        //std::cout << "InOutConversionSeedFinder::fillClusterSeeds stateAtPreviousLayer R  " << stateAtPreviousLayer.globalPosition().perp()  << " Z " << stateAtPreviousLayer.globalPosition().z() << " phi " <<  stateAtPreviousLayer.globalPosition().phi() << "\n";
 
        startSeed(fts, stateAtPreviousLayer, -1, ilayer);
      }
    }
 
  }  // End loop over Out In tracks
}

References cms::cuda::assert(), GeomDetEnumerators::barrel, TrajectoryStateOnSurface::freeTrajectoryState(), mps_fire::i, TrackingGeometry::idToDet(), TrajectoryStateOnSurface::isValid(), ConversionSeedFinder::layerList(), EcalCondDBWriter_cfi::location, myPointer, nSeedsPerInputTrack_, ConversionSeedFinder::printLayer(), Propagator::propagate(), TrajectoryMeasurement::recHit(), startSeed(), GeometricSearchDet::surface(), theOutInTracks_, ConversionSeedFinder::thePropagatorOppositeToMomentum_, ConversionSeedFinder::theTrackerGeom_, and TrajectoryMeasurement::updatedState().

Referenced by makeSeeds().

findSeeds()

void InOutConversionSeedFinder::findSeeds ( const TrajectoryStateOnSurface &  startingState, float  signedpt, unsigned int  startingLayer  )

privatevirtual

Rememeber that this alwyas give back at least one dummy-innvalid it which prevents from everything getting stopped

Definition at line 320 of file InOutConversionSeedFinder.cc.

                                                                      {
  std::vector<const DetLayer*> allLayers = layerList();
  //std::cout << "InOutConversionSeedFinder::findSeeds starting forward propagation from  startingLayer " << startingLayer <<  "\n";
 
  // create error matrix
  AlgebraicSymMatrix55 m = AlgebraicMatrixID();
  m(0, 0) = 0.1;
  m(1, 1) = 0.0001;
  m(2, 2) = 0.0001;
  m(3, 3) = 0.0001;
  m(4, 4) = 0.001;
 
  // Make an FTS consistent with the start point, start direction and curvature
  FreeTrajectoryState fts(
      GlobalTrajectoryParameters(
          startingState.globalPosition(), startingState.globalDirection(), double(transverseCurvature), 0, &(*theMF_)),
      CurvilinearTrajectoryError(m));
  if (fts.momentum().mag2() == 0) {
    edm::LogWarning("FailedToInitiateSeeding")
        << " initial FTS has a zero momentum, probably because of the zero field.  ";
    return;
  }
  //std::cout << " InOutConversionSeedFinder::findSeeds startingState R "<< startingState.globalPosition().perp() << " Z " << startingState.globalPosition().z() << " phi " <<  startingState.globalPosition().phi() <<  " position " << startingState.globalPosition() << "\n";
  //std::cout << " InOutConversionSeedFinder::findSeeds Initial FTS charge " << fts.charge() << " curvature " <<  transverseCurvature << "\n";
  //std::cout << " InOutConversionSeedFinder::findSeeds Initial FTS parameters " << fts <<  "\n";
 
  //float dphi = 0.01;
  float dphi = 0.03;
  float zrange = 5.;
  for (unsigned int ilayer = startingLayer; ilayer <= startingLayer + 1 && (ilayer < allLayers.size() - 2); ++ilayer) {
    const DetLayer* layer = allLayers[ilayer];
 
    //    if ( layer->location() == GeomDetEnumerators::barrel ) {const BarrelDetLayer * barrelLayer = dynamic_cast<const BarrelDetLayer*>(layer);
    // //std::cout << "InOutConversionSeedFinder::findSeeds  ****  Barrel on layer " << ilayer  << " R= " << barrelLayer->specificSurface().radius() <<  "\n";
    // } else {
    // const ForwardDetLayer * forwardLayer = dynamic_cast<const ForwardDetLayer*>(layer);
    // }
    // // end debug
 
    MeasurementEstimator* newEstimator = nullptr;
    if (layer->location() == GeomDetEnumerators::barrel) {
      //std::cout << "InOutConversionSeedFinder::findSeeds Barrel ilayer " << ilayer <<  "\n";
      newEstimator = new ConversionBarrelEstimator(-dphi, dphi, -zrange, zrange);
    } else {
      //std::cout << "InOutConversionSeedFinder::findSeeds Forward  ilayer " << ilayer <<  "\n";
      newEstimator = new ConversionForwardEstimator(-dphi, dphi, 15.);
    }
 
    theFirstMeasurements_.clear();
    // Get measurements compatible with the FTS and Estimator
    TSOS tsos(fts, layer->surface());
 
    //std::cout << "InOutConversionSeedFinder::findSeed propagationDirection " << int(thePropagatorAlongMomentum_->propagationDirection() ) << "\n";
    LayerMeasurements theLayerMeasurements_(*this->getMeasurementTracker(), *theTrackerData_);
 
    theFirstMeasurements_ =
        theLayerMeasurements_.measurements(*layer, tsos, *thePropagatorAlongMomentum_, *newEstimator);
 
    delete newEstimator;
    //std::cout <<  "InOutConversionSeedFinder::findSeeds  Found " << theFirstMeasurements_.size() << " first hits" << "\n";
 
    if (theFirstMeasurements_.size() ==
        1) {  // only dummy hit found: start finding the seed from the innermost hit of the OutIn track
 
      GlobalPoint bcPos((theSecondBC_.position()).x(), (theSecondBC_.position()).y(), (theSecondBC_.position()).z());
      GlobalVector dir = startingState.globalDirection();
      GlobalPoint back1mm = myPointer->recHit()->globalPosition();
 
      back1mm -= dir.unit() * 0.1;
      //std::cout << " InOutConversionSeedFinder:::findSeeds going to make the helix using back1mm " << back1mm << "\n";
      ConversionFastHelix helix(bcPos, myPointer->recHit()->globalPosition(), back1mm, &(*theMF_));
 
      helix.stateAtVertex();
      //std::cout << " InOutConversionSeedFinder:::findSeeds helix status " <<helix.isValid() << std::endl;
      if (!helix.isValid())
        continue;
 
      track2InitialMomentum_ = helix.stateAtVertex().momentum();
 
      // Make a new FTS
      FreeTrajectoryState newfts(GlobalTrajectoryParameters(myPointer->recHit()->globalPosition(),
                                                            startingState.globalDirection(),
                                                            helix.stateAtVertex().transverseCurvature(),
                                                            0,
                                                            &(*theMF_)),
                                 CurvilinearTrajectoryError(m));
 
      completeSeed(*myPointer, newfts, thePropagatorAlongMomentum_, ilayer + 1);
      completeSeed(*myPointer, newfts, thePropagatorAlongMomentum_, ilayer + 2);
 
    } else {
      //Loop over compatible hits
      int mea = 0;
      for (std::vector<TrajectoryMeasurement>::iterator tmItr = theFirstMeasurements_.begin();
           tmItr != theFirstMeasurements_.end();
           ++tmItr) {
        mea++;
 
        if (tmItr->recHit()->isValid()) {
          // Make a new helix as in fillClusterSeeds() but using the hit position
          //std::cout << "InOutConversionSeedFinder::findSeeds hit  R " << tmItr->recHit()->globalPosition().perp() << " Z " <<  tmItr->recHit()->globalPosition().z() << " " <<  tmItr->recHit()->globalPosition() << "\n";
          GlobalPoint bcPos(
              (theSecondBC_.position()).x(), (theSecondBC_.position()).y(), (theSecondBC_.position()).z());
          GlobalVector dir = startingState.globalDirection();
          GlobalPoint back1mm = tmItr->recHit()->globalPosition();
 
          back1mm -= dir.unit() * 0.1;
          //std::cout << " InOutConversionSeedFinder:::findSeeds going to make the helix using back1mm " << back1mm << "\n";
          ConversionFastHelix helix(bcPos, tmItr->recHit()->globalPosition(), back1mm, &(*theMF_));
 
          helix.stateAtVertex();
          //std::cout << " InOutConversionSeedFinder:::findSeeds helix status " <<helix.isValid() << std::endl;
          if (!helix.isValid())
            continue;
 
          track2InitialMomentum_ = helix.stateAtVertex().momentum();
 
          //std::cout << "InOutConversionSeedFinder::findSeeds Updated estimatedPt = " << helix.stateAtVertex().momentum().perp()  << " curvature "  << helix.stateAtVertex().transverseCurvature() << "\n";
          //     << ", bcet = " << theBc->Et()
          //     << ", estimatedPt/bcet = " << estimatedPt/theBc->Et() << endl;
 
          // Make a new FTS
          FreeTrajectoryState newfts(GlobalTrajectoryParameters(tmItr->recHit()->globalPosition(),
                                                                startingState.globalDirection(),
                                                                helix.stateAtVertex().transverseCurvature(),
                                                                0,
                                                                &(*theMF_)),
                                     CurvilinearTrajectoryError(m));
 
          //std::cout <<  "InOutConversionSeedFinder::findSeeds  new FTS charge " << newfts.charge() << "\n";
 
          /*
      // Soome diagnostic output
      // may be useful - comparission of the basic cluster position 
      // with the ecal impact position of the track
      TrajectoryStateOnSurface stateAtECAL
      = forwardPropagator.propagate(newfts, ECALSurfaces::barrel());
      if (!stateAtECAL.isValid() || abs(stateAtECAL.globalPosition().eta())>1.479) {
      if (startingState.globalDirection().eta() > 0.) {
      stateAtECAL = forwardPropagator.propagate(newfts, 
      ECALSurfaces::positiveEtaEndcap());
      } else {
      stateAtECAL = forwardPropagator.propagate(newfts, 
      ECALSurfaces::negativeEtaEndcap());
      }
      }
      GlobalPoint ecalImpactPosition = stateAtECAL.isValid() ? stateAtECAL.globalPosition() : GlobalPoint(0.,0.,0.);
      cout << "Projected fts positon at ECAL surface: " << 
      ecalImpactPosition << " bc position: " << theBc->Position() << endl;
      */
 
          completeSeed(*tmItr, newfts, thePropagatorAlongMomentum_, ilayer + 1);
          completeSeed(*tmItr, newfts, thePropagatorAlongMomentum_, ilayer + 2);
        }
      }
    }
  }
}

References GeomDetEnumerators::barrel, completeSeed(), DeadROC_duringRun::dir, ConversionSeedFinder::getMeasurementTracker(), TrajectoryStateOnSurface::globalDirection(), TrajectoryStateOnSurface::globalPosition(), phase1PixelTopology::layer, ConversionSeedFinder::layerList(), visualization-live-secondInstance_cfg::m, myPointer, reco::CaloCluster::position(), TrajectoryMeasurement::recHit(), ConversionFastHelix::stateAtVertex(), theFirstMeasurements_, ConversionSeedFinder::thePropagatorAlongMomentum_, theSecondBC_, ConversionSeedFinder::theTrackerData_, track2InitialMomentum_, x, y, z, and TkClusParameters_cff::zrange.

Referenced by startSeed().

getSecondCaloClusters()

std::vector< const reco::CaloCluster * > InOutConversionSeedFinder::getSecondCaloClusters ( const GlobalPoint &  conversionPosition, float  charge  ) const

private

Definition at line 301 of file InOutConversionSeedFinder.cc.

                                                               {
  std::vector<const reco::CaloCluster*> result;
 
  Geom::Phi<float> convPhi(conversionPosition.phi());
 
  for (auto const& bc : *bcCollection_) {
    Geom::Phi<float> bcPhi(bc.position().phi());
 
    // Require phi of cluster to be consistent with the conversion position and the track charge
 
    if (std::abs(bcPhi - convPhi) < .5 &&
        ((charge < 0 && bcPhi - convPhi > -.5) || (charge > 0 && bcPhi - convPhi < .5)))
      result.push_back(&bc);
  }
 
  return result;
}

References funct::abs(), bcCollection_, ALCARECOTkAlJpsiMuMu_cff::charge, PV3DBase< T, PVType, FrameType >::phi(), and mps_fire::result.

Referenced by startSeed().

makeSeeds()

void InOutConversionSeedFinder::makeSeeds ( const edm::Handle< edm::View< reco::CaloCluster > > &  allBc )

overridevirtual

Implements ConversionSeedFinder.

Definition at line 36 of file InOutConversionSeedFinder.cc.

                                                                                           {
  //std::cout << "  InOutConversionSeedFinder::makeSeeds() " << "\n";
  theSeeds_.clear();
  //std::cout << " Check Calo cluster collection size " << allBC->size() << "\n";
  bcCollection_ = allBC;
 
  findLayers();
 
  fillClusterSeeds();
  //std::cout << "Built vector of seeds of size  " << theSeeds_.size() <<  "\n" ;
 
  theOutInTracks_.clear();
  inputTracks_.clear();
  theFirstMeasurements_.clear();
}

References bcCollection_, fillClusterSeeds(), ConversionSeedFinder::findLayers(), inputTracks_, theFirstMeasurements_, theOutInTracks_, and ConversionSeedFinder::theSeeds_.

Referenced by ConversionTrackCandidateProducer::buildCollections().

setTracks()

void InOutConversionSeedFinder::setTracks ( std::vector< Trajectory > const &  in )

inline

Definition at line 46 of file InOutConversionSeedFinder.h.

{ theOutInTracks_ = in; }

References recoMuon::in, and theOutInTracks_.

Referenced by ConversionTrackCandidateProducer::buildCollections().

startSeed()

void InOutConversionSeedFinder::startSeed ( const FreeTrajectoryState *  fts, const TrajectoryStateOnSurface &  stateAtPreviousLayer, int  charge, int  layer  )

private

Definition at line 255 of file InOutConversionSeedFinder.cc.

                                                      {
  //std::cout << "InOutConversionSeedFinder::startSeed ilayer " << ilayer <<  "\n";
  // Get a list of basic clusters that are consistent with a track
  // starting at the assumed conversion point with opp. charge to the
  // inward track.  Loop over these basic clusters.
  track2Charge_ = charge * fts->charge();
  std::vector<const reco::CaloCluster*> bcVec;
  //std::cout << "InOutConversionSeedFinder::startSeed charge assumed for the in-out track  " << track2Charge_ <<  "\n";
 
  // Geom::Phi<float> theConvPhi( stateAtPreviousLayer.globalPosition().phi());
  //std::cout << "InOutConversionSeedFinder::startSeed  stateAtPreviousLayer phi " << stateAtPreviousLayer.globalPosition().phi() << " R " <<  stateAtPreviousLayer.globalPosition().perp() << " Z " << stateAtPreviousLayer.globalPosition().z() << "\n";
 
  bcVec = getSecondCaloClusters(stateAtPreviousLayer.globalPosition(), track2Charge_);
 
  std::vector<const reco::CaloCluster*>::iterator bcItr;
  //std::cout << "InOutConversionSeedFinder::startSeed bcVec.size " << bcVec.size() << "\n";
 
  // debug
  //  for(bcItr = bcVec.begin(); bcItr != bcVec.end(); ++bcItr) {
  //  //std::cout << "InOutConversionSeedFinder::startSeed list of  bc eta " << (*bcItr)->position().eta() << " phi " << (*bcItr)->position().phi() << " x " << (*bcItr)->position().x() << " y " << (*bcItr)->position().y() << " z " << (*bcItr)->position().z() << "\n";
  // }
 
  for (bcItr = bcVec.begin(); bcItr != bcVec.end(); ++bcItr) {
    theSecondBC_ = **bcItr;
    GlobalPoint bcPos((theSecondBC_.position()).x(), (theSecondBC_.position()).y(), (theSecondBC_.position()).z());
 
    //std::cout << "InOutConversionSeedFinder::startSeed for  bc position x " << bcPos.x() << " y " <<  bcPos.y() << " z  " <<  bcPos.z() << " eta " <<  bcPos.eta() << " phi " <<  bcPos.phi() << "\n";
    GlobalVector dir = stateAtPreviousLayer.globalDirection();
    GlobalPoint back1mm = stateAtPreviousLayer.globalPosition();
    //std::cout << "InOutConversionSeedFinder::startSeed   stateAtPreviousLayer.globalPosition() " << back1mm << "\n";
 
    back1mm -= dir.unit() * 0.1;
    //std::cout << " InOutConversionSeedFinder:::startSeed going to make the helix using back1mm " << back1mm <<"\n";
    ConversionFastHelix helix(bcPos, stateAtPreviousLayer.globalPosition(), back1mm, &(*theMF_));
    helix.stateAtVertex();
 
    //std::cout << " InOutConversionSeedFinder:::startSeed helix status " <<helix.isValid() << std::endl;
    if (!helix.isValid())
      continue;
    findSeeds(stateAtPreviousLayer, helix.stateAtVertex().transverseCurvature(), ilayer);
  }
}

References ALCARECOTkAlJpsiMuMu_cff::charge, FreeTrajectoryState::charge(), DeadROC_duringRun::dir, findSeeds(), getSecondCaloClusters(), TrajectoryStateOnSurface::globalDirection(), TrajectoryStateOnSurface::globalPosition(), reco::CaloCluster::position(), ConversionFastHelix::stateAtVertex(), theSecondBC_, track2Charge_, TrajectoryStateOnSurface::transverseCurvature(), x, y, and z.

Referenced by fillClusterSeeds().

Member Data Documentation

bcCollection_

edm::Handle<edm::View<reco::CaloCluster> > InOutConversionSeedFinder::bcCollection_

private

Definition at line 81 of file InOutConversionSeedFinder.h.

Referenced by getSecondCaloClusters(), and makeSeeds().

conf_

edm::ParameterSet InOutConversionSeedFinder::conf_

private

Definition at line 49 of file InOutConversionSeedFinder.h.

Referenced by InOutConversionSeedFinder().

inputTracks_

std::vector<Trajectory> InOutConversionSeedFinder::inputTracks_

private

Definition at line 76 of file InOutConversionSeedFinder.h.

Referenced by makeSeeds().

maxNumberOfInOutSeedsPerInputTrack_

int InOutConversionSeedFinder::maxNumberOfInOutSeedsPerInputTrack_

private

Definition at line 72 of file InOutConversionSeedFinder.h.

Referenced by createSeed(), and InOutConversionSeedFinder().

myPointer

TrajectoryMeasurement* InOutConversionSeedFinder::myPointer

private

Definition at line 74 of file InOutConversionSeedFinder.h.

Referenced by fillClusterSeeds(), and findSeeds().

nSeedsPerInputTrack_

int InOutConversionSeedFinder::nSeedsPerInputTrack_

private

Definition at line 71 of file InOutConversionSeedFinder.h.

Referenced by createSeed(), and fillClusterSeeds().

the2ndHitdphi_

float InOutConversionSeedFinder::the2ndHitdphi_

private

Definition at line 66 of file InOutConversionSeedFinder.h.

Referenced by completeSeed(), and InOutConversionSeedFinder().

the2ndHitdzConst_

float InOutConversionSeedFinder::the2ndHitdzConst_

private

Definition at line 67 of file InOutConversionSeedFinder.h.

Referenced by completeSeed(), and InOutConversionSeedFinder().

the2ndHitdznSigma_

float InOutConversionSeedFinder::the2ndHitdznSigma_

private

Definition at line 68 of file InOutConversionSeedFinder.h.

Referenced by completeSeed(), and InOutConversionSeedFinder().

theFirstMeasurements_

std::vector<TrajectoryMeasurement> InOutConversionSeedFinder::theFirstMeasurements_

private

Definition at line 78 of file InOutConversionSeedFinder.h.

Referenced by findSeeds(), and makeSeeds().

theOutInTracks_

std::vector<Trajectory> InOutConversionSeedFinder::theOutInTracks_

private

Definition at line 77 of file InOutConversionSeedFinder.h.

Referenced by fillClusterSeeds(), makeSeeds(), and setTracks().

theSecondBC_

reco::CaloCluster InOutConversionSeedFinder::theSecondBC_

private

Definition at line 80 of file InOutConversionSeedFinder.h.

Referenced by findSeeds(), and startSeed().

track2Charge_

int InOutConversionSeedFinder::track2Charge_

private

Definition at line 69 of file InOutConversionSeedFinder.h.

Referenced by createSeed(), and startSeed().

track2InitialMomentum_

GlobalVector InOutConversionSeedFinder::track2InitialMomentum_

private

Definition at line 70 of file InOutConversionSeedFinder.h.

Referenced by createSeed(), and findSeeds().