PixelHitMatcher Class Reference

#include <PixelHitMatcher.h>

Public Types
typedef TransientTrackingRecHit::ConstRecHitPointer	ConstRecHitPointer
typedef TransientTrackingRecHit::RecHitContainer	RecHitContainer
typedef TransientTrackingRecHit::RecHitPointer	RecHitPointer
typedef ROOT::Math::PositionVector3D< ROOT::Math::CylindricalEta3D< double > >	REPPoint

Public Member Functions
std::vector< std::pair< RecHitWithDist, ConstRecHitPointer > >	compatibleHits (const GlobalPoint &xmeas, const GlobalPoint &vprim, float energy, float charge, const TrackerTopology *tTopo, const NavigationSchool &navigationSchool)
std::vector< SeedWithInfo >	compatibleSeeds (TrajectorySeedCollection *seeds, const GlobalPoint &xmeas, const GlobalPoint &vprim, float energy, float charge)
float	getVertex ()
	PixelHitMatcher (float phi1min, float phi1max, float phi2minB, float phi2maxB, float phi2minF, float phi2maxF, float z2minB, float z2maxB, float r2minF, float r2maxF, float rMinI, float rMaxI, bool searchInTIDTEC)
std::vector< CLHEP::Hep3Vector >	predicted1Hits ()
std::vector< CLHEP::Hep3Vector >	predicted2Hits ()
void	set1stLayer (float dummyphi1min, float dummyphi1max)
void	set1stLayerZRange (float zmin1, float zmax1)
void	set2ndLayer (float dummyphi2minB, float dummyphi2maxB, float dummyphi2minF, float dummyphi2maxF)
void	setES (const MagneticField *, const MeasurementTracker *theMeasurementTracker, const TrackerGeometry *trackerGeometry)
void	setEvent (const MeasurementTrackerEvent &event)
void	setUseRecoVertex (bool val)
virtual	~PixelHitMatcher ()

Private Attributes
std::vector< GlobalPoint >	hit_gp_map_
RecHitContainer	hitsInTrack
std::unordered_map< std::pair< const GeomDet *, GlobalPoint >, TrajectoryStateOnSurface >	mapTsos2_fast_
BarrelMeasurementEstimator	meas1stBLayer
ForwardMeasurementEstimator	meas1stFLayer
BarrelMeasurementEstimator	meas2ndBLayer
ForwardMeasurementEstimator	meas2ndFLayer
std::vector< CLHEP::Hep3Vector >	pred1Meas
std::vector< CLHEP::Hep3Vector >	pred2Meas
PropagatorWithMaterial *	prop1stLayer
PropagatorWithMaterial *	prop2ndLayer
bool	searchInTIDTEC_
PixelMatchStartLayers	startLayers
const GeometricSearchTracker *	theGeometricSearchTracker
LayerMeasurements	theLayerMeasurements
const MagneticField *	theMagField
const MeasurementTracker *	theTracker
const MeasurementTrackerEvent *	theTrackerEvent
const TrackerGeometry *	theTrackerGeometry
bool	useRecoVertex_
float	vertex_

Detailed Description

Description: Class to match an ECAL cluster to the pixel hits. Two compatible hits in the pixel layers are required.

Implementation: future redesign

Definition at line 162 of file PixelHitMatcher.h.

Member Typedef Documentation

typedef TransientTrackingRecHit::ConstRecHitPointer PixelHitMatcher::ConstRecHitPointer

Definition at line 166 of file PixelHitMatcher.h.

typedef TransientTrackingRecHit::RecHitContainer PixelHitMatcher::RecHitContainer

Definition at line 168 of file PixelHitMatcher.h.

typedef TransientTrackingRecHit::RecHitPointer PixelHitMatcher::RecHitPointer

Definition at line 167 of file PixelHitMatcher.h.

typedef ROOT::Math::PositionVector3D<ROOT::Math::CylindricalEta3D<double> > PixelHitMatcher::REPPoint

Definition at line 172 of file PixelHitMatcher.h.

Constructor & Destructor Documentation

PixelHitMatcher::PixelHitMatcher	(	float	phi1min,
		float	phi1max,
		float	phi2minB,
		float	phi2maxB,
		float	phi2minF,
		float	phi2maxF,
		float	z2minB,
		float	z2maxB,
		float	r2minF,
		float	r2maxF,
		float	rMinI,
		float	rMaxI,
		bool	searchInTIDTEC
	)

Definition at line 20 of file PixelHitMatcher.cc.

 : //zmin1 and zmax1 are dummy at this moment, set from beamspot later
   meas1stBLayer(phi1min,phi1max,0.,0.), meas2ndBLayer(phi2minB,phi2maxB,z2minB,z2maxB),
   meas1stFLayer(phi1min,phi1max,0.,0.), meas2ndFLayer(phi2minF,phi2maxF,r2minF,r2maxF),
   startLayers(),
   prop1stLayer(0), prop2ndLayer(0),theGeometricSearchTracker(0),theTrackerEvent(0),theTracker(0),vertex_(0.),
   searchInTIDTEC_(searchInTIDTEC), useRecoVertex_(false)
 {
  meas1stFLayer.setRRangeI(rMinI,rMaxI) ;
  meas2ndFLayer.setRRangeI(rMinI,rMaxI) ;
 }

PixelHitMatcher::~PixelHitMatcher ( )

virtual

Definition at line 35 of file PixelHitMatcher.cc.

 {
  delete prop1stLayer ;
  delete prop2ndLayer ;
 }

Member Function Documentation

vector< pair< RecHitWithDist, PixelHitMatcher::ConstRecHitPointer > > PixelHitMatcher::compatibleHits	(	const GlobalPoint &	xmeas,
		const GlobalPoint &	vprim,
		float	energy,
		float	charge,
		const TrackerTopology *	tTopo,
		const NavigationSchool &	navigationSchool
	)

Definition at line 244 of file PixelHitMatcher.cc.

References funct::abs(), barePhi(), ALCARECOTkAlJpsiMuMu_cff::charge, FTSFromVertexToPointFactory::get(), mps_fire::i, createfilelist::int, TrajectoryStateOnSurface::isValid(), LogDebug, funct::m, PixelMatchNextLayers::measurementsInNextLayers(), FreeTrajectoryState::momentum(), normalized_phi(), PV3DBase< T, PVType, FrameType >::phi(), FreeTrajectoryState::position(), PixelMatchNextLayers::predictionInNextLayers(), rpcPointValidation_cfi::recHit, mps_fire::result, BarrelDetLayer::specificSurface(), mathSSE::sqrt(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), PV3DBase< T, PVType, FrameType >::z(), and CombinatorialSeedGeneratorForCosmicsRegionalReconstruction_cfi::zVertex.

Referenced by compatibleSeeds(), and ElectronSeedGenerator::seedsFromThisCluster().

 {
  float SCl_phi = xmeas.phi();

  int charge = int(fcharge);
  // return all compatible RecHit pairs (vector< TSiPixelRecHit>)
  vector<pair<RecHitWithDist, ConstRecHitPointer> > result;
  LogDebug("") << "[PixelHitMatcher::compatibleHits] entering .. ";

  vector<TrajectoryMeasurement> validMeasurements;
  vector<TrajectoryMeasurement> invalidMeasurements;

  typedef vector<TrajectoryMeasurement>::const_iterator aMeas;

  pred1Meas.clear();
  pred2Meas.clear();

  typedef vector<const BarrelDetLayer*>::const_iterator BarrelLayerIterator;
  BarrelLayerIterator firstLayer = startLayers.firstBLayer();

  FreeTrajectoryState fts = FTSFromVertexToPointFactory::get(*theMagField,xmeas, vprim, energy, charge);

  PerpendicularBoundPlaneBuilder bpb;
  TrajectoryStateOnSurface tsos(fts, *bpb(fts.position(), fts.momentum()));

  if (tsos.isValid()) {
    vector<TrajectoryMeasurement> pixelMeasurements =
      theLayerMeasurements.measurements(**firstLayer,tsos,
                     *prop1stLayer, meas1stBLayer);

    LogDebug("") <<"[PixelHitMatcher::compatibleHits] nbr of hits compatible with extrapolation to first layer: " << pixelMeasurements.size();
    for (aMeas m=pixelMeasurements.begin(); m!=pixelMeasurements.end(); m++){
     if (m->recHit()->isValid()) {
       float localDphi = normalized_phi(SCl_phi-m->forwardPredictedState().globalPosition().barePhi()) ;
       if(std::abs(localDphi)>2.5)continue;
    CLHEP::Hep3Vector prediction(m->forwardPredictedState().globalPosition().x(),
                  m->forwardPredictedState().globalPosition().y(),
                  m->forwardPredictedState().globalPosition().z());
    LogDebug("") << "[PixelHitMatcher::compatibleHits] compatible hit position " << m->recHit()->globalPosition();
    LogDebug("") << "[PixelHitMatcher::compatibleHits] predicted position " << m->forwardPredictedState().globalPosition();
    pred1Meas.push_back( prediction);

    validMeasurements.push_back(*m);

    LogDebug("") <<"[PixelHitMatcher::compatibleHits] Found a rechit in layer ";
    const BarrelDetLayer *bdetl = dynamic_cast<const BarrelDetLayer *>(*firstLayer);
    if (bdetl) {
      LogDebug("") <<" with radius "<<bdetl->specificSurface().radius();
    }
    else  LogDebug("") <<"Could not downcast!!";
     }
    }


    // check if there are compatible 1st hits in the second layer
    firstLayer++;

    vector<TrajectoryMeasurement> pixel2Measurements =
      theLayerMeasurements.measurements(**firstLayer,tsos,
                     *prop1stLayer, meas1stBLayer);

    for (aMeas m=pixel2Measurements.begin(); m!=pixel2Measurements.end(); m++){
      if (m->recHit()->isValid()) {
    float localDphi = normalized_phi(SCl_phi-m->forwardPredictedState().globalPosition().barePhi()) ;
    if(std::abs(localDphi)>2.5)continue;
        CLHEP::Hep3Vector prediction(m->forwardPredictedState().globalPosition().x(),
                  m->forwardPredictedState().globalPosition().y(),
                  m->forwardPredictedState().globalPosition().z());
    pred1Meas.push_back( prediction);
        LogDebug("")  << "[PixelHitMatcher::compatibleHits] compatible hit position " << m->recHit()->globalPosition() << endl;
        LogDebug("") << "[PixelHitMatcher::compatibleHits] predicted position " << m->forwardPredictedState().globalPosition() << endl;

    validMeasurements.push_back(*m);
    LogDebug("") <<"[PixelHitMatcher::compatibleHits] Found a rechit in layer ";
    const BarrelDetLayer *bdetl = dynamic_cast<const BarrelDetLayer *>(*firstLayer);
    if (bdetl) {
      LogDebug("") <<" with radius "<<bdetl->specificSurface().radius();
    }
    else  LogDebug("") <<"Could not downcast!!";
      }

    }
  }


  // check if there are compatible 1st hits the forward disks
  typedef vector<const ForwardDetLayer*>::const_iterator ForwardLayerIterator;
  ForwardLayerIterator flayer;

  TrajectoryStateOnSurface tsosfwd(fts, *bpb(fts.position(), fts.momentum()));
  if (tsosfwd.isValid()) {

    for (int i=0; i<2; i++) {
      i == 0 ? flayer = startLayers.pos1stFLayer() : flayer = startLayers.neg1stFLayer();

      if (i==0 && xmeas.z() < -100. ) continue;
      if (i==1 && xmeas.z() > 100. ) continue;

      vector<TrajectoryMeasurement> pixelMeasurements =
    theLayerMeasurements.measurements(**flayer, tsosfwd,
                       *prop1stLayer, meas1stFLayer);

      for (aMeas m=pixelMeasurements.begin(); m!=pixelMeasurements.end(); m++){
    if (m->recHit()->isValid()) {
      float localDphi = normalized_phi(SCl_phi-m->forwardPredictedState().globalPosition().barePhi());
      if(std::abs(localDphi)>2.5)continue;
      CLHEP::Hep3Vector prediction(m->forwardPredictedState().globalPosition().x(),
                m->forwardPredictedState().globalPosition().y(),
                m->forwardPredictedState().globalPosition().z());
      pred1Meas.push_back( prediction);

      validMeasurements.push_back(*m);
    }
      }

      //check if there are compatible 1st hits the outer forward disks
      if (searchInTIDTEC_) {
    flayer++;

    vector<TrajectoryMeasurement> pixel2Measurements =
      theLayerMeasurements.measurements(**flayer, tsosfwd,
                         *prop1stLayer, meas1stFLayer);

    for (aMeas m=pixel2Measurements.begin(); m!=pixel2Measurements.end(); m++){
      if (m->recHit()->isValid()) {
        float localDphi = normalized_phi(SCl_phi-m->forwardPredictedState().globalPosition().barePhi()) ;
        if(std::abs(localDphi)>2.5)continue;
        CLHEP::Hep3Vector prediction(m->forwardPredictedState().globalPosition().x(),
                  m->forwardPredictedState().globalPosition().y(),
                  m->forwardPredictedState().globalPosition().z());
        pred1Meas.push_back( prediction);

        validMeasurements.push_back(*m);
      }
      //    else{std::cout<<" hit non valid "<<std::endl; }
    }  //end 1st hit in outer f disk
      }
    }
  }

  // now we have the vector of all valid measurements of the first point
  for (unsigned i=0; i<validMeasurements.size(); i++){

    const DetLayer * newLayer = theGeometricSearchTracker->detLayer(validMeasurements[i].recHit()->det()->geographicalId());

    double zVertex ;
    if (!useRecoVertex_)
     {
      // we don't know the z vertex position, get it from linear extrapolation
      // compute the z vertex from the cluster point and the found pixel hit
      double pxHit1z = validMeasurements[i].recHit()->det()->surface().toGlobal(
        validMeasurements[i].recHit()->localPosition()).z();
      double pxHit1x = validMeasurements[i].recHit()->det()->surface().toGlobal(
        validMeasurements[i].recHit()->localPosition()).x();
      double pxHit1y = validMeasurements[i].recHit()->det()->surface().toGlobal(
        validMeasurements[i].recHit()->localPosition()).y();
      double r1diff = (pxHit1x-vprim.x())*(pxHit1x-vprim.x()) + (pxHit1y-vprim.y())*(pxHit1y-vprim.y());
      r1diff=sqrt(r1diff);
      double r2diff = (xmeas.x()-pxHit1x)*(xmeas.x()-pxHit1x) + (xmeas.y()-pxHit1y)*(xmeas.y()-pxHit1y);
      r2diff=sqrt(r2diff);
      zVertex = pxHit1z - r1diff*(xmeas.z()-pxHit1z)/r2diff;
     }
    else
     {
      // here we use the reco vertex z position
      zVertex = vprim.z();
     }

    if (i==0)
     { vertex_ = zVertex; }

    GlobalPoint vertexPred(vprim.x(),vprim.y(),zVertex) ;
    GlobalPoint hitPos( validMeasurements[i].recHit()->det()->surface().toGlobal( validMeasurements[i].recHit()->localPosition() ) ) ;

    FreeTrajectoryState secondFTS = FTSFromVertexToPointFactory::get(*theMagField, hitPos, vertexPred, energy, charge);

    PixelMatchNextLayers secondHit(&theLayerMeasurements, newLayer, secondFTS,
                   prop2ndLayer, &meas2ndBLayer,&meas2ndFLayer,
                   tTopo,navigationSchool,searchInTIDTEC_);
    vector<CLHEP::Hep3Vector> predictions = secondHit.predictionInNextLayers();

    for (unsigned it = 0; it < predictions.size(); it++) pred2Meas.push_back(predictions[it]);

    // we may get more than one valid second measurements here even for single electrons:
    // two hits from the same layer/disk (detector overlap) or from the loop over the
    // next layers in EPMatchLoopNextLayers. Take only the 1st hit.

    if(!secondHit.measurementsInNextLayers().empty()){
      for(unsigned int shit=0; shit<secondHit.measurementsInNextLayers().size(); shit++)
        {
      float dphi = normalized_phi(pred1Meas[i].phi()-validMeasurements[i].recHit()->globalPosition().barePhi()) ;
      if (std::abs(dphi)<2.5)
        {
          ConstRecHitPointer pxrh = validMeasurements[i].recHit();
          RecHitWithDist rh(pxrh,dphi);

          //  pxrh = secondHit.measurementsInNextLayers()[0].recHit();
          pxrh = secondHit.measurementsInNextLayers()[shit].recHit();

          pair<RecHitWithDist,ConstRecHitPointer> compatiblePair = pair<RecHitWithDist,ConstRecHitPointer>(rh,pxrh) ;
          result.push_back(compatiblePair);
          break;
        }
    }
    }
  }
  return result;
}

std::vector< SeedWithInfo > PixelHitMatcher::compatibleSeeds	(	TrajectorySeedCollection *	seeds,
		const GlobalPoint &	xmeas,
		const GlobalPoint &	vprim,
		float	energy,
		float	charge
	)

Definition at line 100 of file PixelHitMatcher.cc.

References ALCARECOTkAlJpsiMuMu_cff::charge, compatibleHits(), funct::cos(), SoftLeptonByDistance_cfi::distance, dt, GeomDet::gdetIndex(), FTSFromVertexToPointFactory::get(), TrajectoryStateOnSurface::globalParameters(), hcalSimParameters_cfi::he, hfClusterShapes_cfi::hits, mps_fire::i, createfilelist::int, TrajectoryStateOnSurface::isValid(), FreeTrajectoryState::momentum(), PV3DBase< T, PVType, FrameType >::perp(), GlobalTrajectoryParameters::position(), FreeTrajectoryState::position(), mps_fire::result, SurveyInfoScenario_cff::seed, mathSSE::sqrt(), DetId::subdetId(), GeomDet::surface(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), PV3DBase< T, PVType, FrameType >::z(), and CombinatorialSeedGeneratorForCosmicsRegionalReconstruction_cfi::zVertex.

Referenced by getVertex(), and ElectronSeedGenerator::seedsFromThisCluster().

 {
   typedef std::unordered_map<const GeomDet *, TrajectoryStateOnSurface> DetTsosAssoc;
   typedef std::unordered_map<std::pair<const GeomDet*,GlobalPoint>, TrajectoryStateOnSurface> PosTsosAssoc;
   const int charge = int(fcharge) ;

   // auto xmeas_phi = xmeas.barePhi();
   auto xmeas_r = xmeas.perp();
   
   const float phicut = std::cos(2.5);


  FreeTrajectoryState fts = FTSFromVertexToPointFactory::get(*theMagField, xmeas, vprim, energy, charge);
  PerpendicularBoundPlaneBuilder bpb;
  TrajectoryStateOnSurface tsos(fts, *bpb(fts.position(), fts.momentum()));
  
  std::vector<SeedWithInfo> result ;
  
  //mapTsos_fast_.clear();  
  mapTsos2_fast_.clear();  
  // mapTsos_fast_.reserve(seeds->size()) ;
  mapTsos2_fast_.reserve(seeds->size()) ;

  // std::vector<TrajectoryStateOnSurface> vTsos(theTrackerGeometry->dets().size());
  // TrajectoryStateOnSurface vTsos[theTrackerGeometry->dets().size()];

  auto ndets = theTrackerGeometry->dets().size();

  int iTsos[ndets];
  for ( auto & i : iTsos) i=-1;
  std::vector<TrajectoryStateOnSurface> vTsos; vTsos.reserve(seeds->size());

  for(const auto& seed : *seeds) {
    hit_gp_map_.clear();
    if( seed.nHits() > 9 ) {
      edm::LogWarning("GsfElectronAlgo|UnexpectedSeed") <<"We cannot deal with seeds having more than 9 hits." ;
      continue;
    }
    
    const TrajectorySeed::range& hits = seed.recHits();
    // cache the global points
   
    for( auto it = hits.first; it != hits.second; ++it ) {
      hit_gp_map_.emplace_back(it->globalPosition());      
    }

    //iterate on the hits 
    auto he =  hits.second -1;   
    for( auto it1 = hits.first; it1 < he; ++it1 ) {
      if( !it1->isValid() ) continue;
      auto  idx1 = std::distance(hits.first,it1);
      const DetId id1 = it1->geographicalId();
      const GeomDet *geomdet1 = it1->det();

      auto ix1 = geomdet1->gdetIndex();

      /*  VI: this generates regression (other cut is just in phi). in my opinion it is safe and makes sense
      auto away = geomdet1->position().basicVector().dot(xmeas.basicVector()) <0;
      if (away) continue;
      */

      const GlobalPoint& hit1Pos = hit_gp_map_[idx1];
      auto dt = hit1Pos.x()*xmeas.x()+hit1Pos.y()*xmeas.y();
      if (dt<0) continue;
      if (dt<phicut*(xmeas_r*hit1Pos.perp())) continue;

      if(iTsos[ix1]<0)   {
        iTsos[ix1] = vTsos.size();
        vTsos.push_back(prop1stLayer->propagate(tsos,geomdet1->surface()));
      }
      auto tsos1 = &vTsos[iTsos[ix1]];

      if( !tsos1->isValid() ) continue;
      std::pair<bool, double> est = ( id1.subdetId() % 2 ? 
                      meas1stBLayer.estimate(vprim, *tsos1, hit1Pos) :
                      meas1stFLayer.estimate(vprim, *tsos1, hit1Pos)  );
      if( !est.first ) continue;
      EleRelPointPair pp1(hit1Pos,tsos1->globalParameters().position(),vprim);
      const math::XYZPoint relHit1Pos(hit1Pos-vprim), relTSOSPos(tsos1->globalParameters().position() - vprim);
      const int subDet1 = id1.subdetId();
      const float dRz1 = ( id1.subdetId()%2 ? pp1.dZ() : pp1.dPerp() );
      const float dPhi1 = pp1.dPhi();
      // setup our vertex
      double zVertex;
      if (!useRecoVertex_) {
    // we don't know the z vertex position, get it from linear extrapolation
    // compute the z vertex from the cluster point and the found pixel hit
    const double pxHit1z = hit1Pos.z();
    const double pxHit1x = hit1Pos.x();
    const double pxHit1y = hit1Pos.y();
    const double r1diff = std::sqrt( (pxHit1x-vprim.x())*(pxHit1x-vprim.x()) + 
                     (pxHit1y-vprim.y())*(pxHit1y-vprim.y())   );
    const double r2diff = std::sqrt( (xmeas.x()-pxHit1x)*(xmeas.x()-pxHit1x) + 
                     (xmeas.y()-pxHit1y)*(xmeas.y()-pxHit1y)   );
    zVertex = pxHit1z - r1diff*(xmeas.z()-pxHit1z)/r2diff;
      } else { 
    // here use rather the reco vertex z position
    zVertex = vprim.z(); 
      }
      GlobalPoint vertex(vprim.x(),vprim.y(),zVertex);
      FreeTrajectoryState fts2 = FTSFromVertexToPointFactory::get(*theMagField, hit1Pos, vertex, energy, charge) ;
      // now find the matching hit
      for( auto it2 = it1+1; it2 != hits.second; ++it2 ) {
    if( !it2->isValid() ) continue;
    auto idx2 = std::distance(hits.first,it2);
    const DetId id2 = it2->geographicalId();
    const GeomDet *geomdet2 = it2->det();
    const std::pair<const GeomDet *,GlobalPoint> det_key(geomdet2,hit1Pos); 
    const TrajectoryStateOnSurface* tsos2;
    auto tsos2_itr = mapTsos2_fast_.find(det_key);
    if( tsos2_itr != mapTsos2_fast_.end() ) {
      tsos2 = &(tsos2_itr->second);
    } else {
      auto empl_result =
        mapTsos2_fast_.emplace(det_key,prop2ndLayer->propagate(fts2,geomdet2->surface()));
      tsos2 = &(empl_result.first->second);
    }
    if( !tsos2->isValid() ) continue;
    const GlobalPoint& hit2Pos = hit_gp_map_[idx2];
    std::pair<bool,double> est2  = ( id2.subdetId()%2 ? 
                     meas2ndBLayer.estimate(vertex, *tsos2,hit2Pos) :
                     meas2ndFLayer.estimate(vertex, *tsos2,hit2Pos)   );
    if (est2.first) {
      EleRelPointPair pp2(hit2Pos,tsos2->globalParameters().position(),vertex) ;
      const int subDet2 = id2.subdetId();
      const float dRz2 = (subDet2%2==1)?pp2.dZ():pp2.dPerp();
      const float dPhi2 = pp2.dPhi();
      const unsigned char hitsMask = (1<<idx1)|(1<<idx2);
      result.push_back(SeedWithInfo(seed,hitsMask,subDet2,dRz2,dPhi2,subDet1,dRz1,dPhi1)) ;
    }
      }// inner loop on hits
    }// outer loop on hits
  }// loop on seeds  

  mapTsos2_fast_.clear() ;
 
  return result ;
 }

float PixelHitMatcher::getVertex

(

)

Definition at line 94 of file PixelHitMatcher.cc.

References compatibleSeeds().

Referenced by ElectronSeedGenerator::seedsFromThisCluster().

 { return vertex_ ; }

vector< CLHEP::Hep3Vector > PixelHitMatcher::predicted1Hits

(

)

Definition at line 88 of file PixelHitMatcher.cc.

 { return pred1Meas ; }

vector< CLHEP::Hep3Vector > PixelHitMatcher::predicted2Hits

(

)

Definition at line 91 of file PixelHitMatcher.cc.

 { return pred2Meas ; }

void PixelHitMatcher::set1stLayer	(	float	dummyphi1min,
		float	dummyphi1max
	)

Definition at line 41 of file PixelHitMatcher.cc.

Referenced by ElectronSeedGenerator::seedsFromThisCluster().

 {
  meas1stBLayer.setPhiRange(dummyphi1min,dummyphi1max) ;
  meas1stFLayer.setPhiRange(dummyphi1min,dummyphi1max) ;
 }

void PixelHitMatcher::set1stLayerZRange	(	float	zmin1,
		float	zmax1
	)

Definition at line 47 of file PixelHitMatcher.cc.

Referenced by ElectronSeedGenerator::seedsFromThisCluster().

 {
  meas1stBLayer.setZRange(zmin1,zmax1) ;
  meas1stFLayer.setRRange(zmin1,zmax1) ;
 }

void PixelHitMatcher::set2ndLayer	(	float	dummyphi2minB,
		float	dummyphi2maxB,
		float	dummyphi2minF,
		float	dummyphi2maxF
	)

Definition at line 53 of file PixelHitMatcher.cc.

Referenced by ElectronSeedGenerator::seedsFromThisCluster().

 {
  meas2ndBLayer.setPhiRange(dummyphi2minB,dummyphi2maxB) ;
  meas2ndFLayer.setPhiRange(dummyphi2minF,dummyphi2maxF) ;
 }

void PixelHitMatcher::setES	(	const MagneticField *	magField,
		const MeasurementTracker *	theMeasurementTracker,
		const TrackerGeometry *	trackerGeometry
	)

Definition at line 68 of file PixelHitMatcher.cc.

References alongMomentum, ResonanceBuilder::mass, and oppositeToMomentum.

Referenced by setEvent(), and ElectronSeedGenerator::setupES().

 {
  if (theMeasurementTracker)
   {
    theTracker = theMeasurementTracker;
    theGeometricSearchTracker=theMeasurementTracker->geometricSearchTracker() ;
    startLayers.setup(theGeometricSearchTracker) ;
   }

  theMagField = magField ;
  theTrackerGeometry = trackerGeometry ;
  float mass=.000511 ; // electron propagation
  if (prop1stLayer) delete prop1stLayer ;
  prop1stLayer = new PropagatorWithMaterial(oppositeToMomentum,mass,theMagField) ;
  if (prop2ndLayer) delete prop2ndLayer ;
  prop2ndLayer = new PropagatorWithMaterial(alongMomentum,mass,theMagField) ;
 }

void PixelHitMatcher::setEvent

(

const MeasurementTrackerEvent &

event

)

Definition at line 62 of file PixelHitMatcher.cc.

References setES().

Referenced by ElectronSeedGenerator::run().

 {
    theTrackerEvent = & trackerData;
    theLayerMeasurements = LayerMeasurements(*theTracker,*theTrackerEvent);
 }

void PixelHitMatcher::setUseRecoVertex

(

bool

val

)

Definition at line 59 of file PixelHitMatcher.cc.

References heppy_batch::val.

Referenced by ElectronSeedGenerator::seedsFromThisCluster().

 { useRecoVertex_ = val ; }

Member Data Documentation

std::vector<GlobalPoint> PixelHitMatcher::hit_gp_map_

private

Definition at line 235 of file PixelHitMatcher.h.

RecHitContainer PixelHitMatcher::hitsInTrack

private

Definition at line 212 of file PixelHitMatcher.h.

std::unordered_map<std::pair<const GeomDet*,GlobalPoint>, TrajectoryStateOnSurface> PixelHitMatcher::mapTsos2_fast_

private

Definition at line 234 of file PixelHitMatcher.h.

BarrelMeasurementEstimator PixelHitMatcher::meas1stBLayer

private

Definition at line 216 of file PixelHitMatcher.h.

ForwardMeasurementEstimator PixelHitMatcher::meas1stFLayer

private

Definition at line 218 of file PixelHitMatcher.h.

BarrelMeasurementEstimator PixelHitMatcher::meas2ndBLayer

private

Definition at line 217 of file PixelHitMatcher.h.

ForwardMeasurementEstimator PixelHitMatcher::meas2ndFLayer

private

Definition at line 219 of file PixelHitMatcher.h.

std::vector<CLHEP::Hep3Vector> PixelHitMatcher::pred1Meas

private

Definition at line 214 of file PixelHitMatcher.h.

std::vector<CLHEP::Hep3Vector> PixelHitMatcher::pred2Meas

private

Definition at line 215 of file PixelHitMatcher.h.

PropagatorWithMaterial* PixelHitMatcher::prop1stLayer

private

Definition at line 221 of file PixelHitMatcher.h.

PropagatorWithMaterial* PixelHitMatcher::prop2ndLayer

private

Definition at line 222 of file PixelHitMatcher.h.

bool PixelHitMatcher::searchInTIDTEC_

private

Definition at line 232 of file PixelHitMatcher.h.

PixelMatchStartLayers PixelHitMatcher::startLayers

private

Definition at line 220 of file PixelHitMatcher.h.

const GeometricSearchTracker* PixelHitMatcher::theGeometricSearchTracker

private

Definition at line 223 of file PixelHitMatcher.h.

LayerMeasurements PixelHitMatcher::theLayerMeasurements

private

Definition at line 226 of file PixelHitMatcher.h.

const MagneticField* PixelHitMatcher::theMagField

private

Definition at line 227 of file PixelHitMatcher.h.

const MeasurementTracker* PixelHitMatcher::theTracker

private

Definition at line 225 of file PixelHitMatcher.h.

const MeasurementTrackerEvent* PixelHitMatcher::theTrackerEvent

private

Definition at line 224 of file PixelHitMatcher.h.

const TrackerGeometry* PixelHitMatcher::theTrackerGeometry

private

Definition at line 228 of file PixelHitMatcher.h.

bool PixelHitMatcher::useRecoVertex_

private

Definition at line 233 of file PixelHitMatcher.h.

float PixelHitMatcher::vertex_

private

Definition at line 230 of file PixelHitMatcher.h.