SeedForPhotonConversionFromQuadruplets Class Reference

#include <SeedForPhotonConversionFromQuadruplets.h>

Public Member Functions
void	bubbleReverseSortVsPhi (GlobalPoint arr[], int n, GlobalPoint vtx)
void	bubbleSortVsPhi (GlobalPoint arr[], int n, GlobalPoint vtx)
double	getSqrEffectiveErrorOnZ (const SeedingHitSet::ConstRecHitPointer &hit, const TrackingRegion &region)
	SeedForPhotonConversionFromQuadruplets (const edm::ParameterSet &cfg, edm::ConsumesCollector &iC, const edm::ParameterSet &SeedComparitorPSet)
	SeedForPhotonConversionFromQuadruplets (edm::ConsumesCollector &iC, const edm::ParameterSet &SeedComparitorPSet, const std::string &propagator="PropagatorWithMaterial", double seedMomentumForBOFF=-5.0)
double	simpleGetSlope (const SeedingHitSet::ConstRecHitPointer &ohit, const SeedingHitSet::ConstRecHitPointer &nohit, const SeedingHitSet::ConstRecHitPointer &ihit, const SeedingHitSet::ConstRecHitPointer &nihit, const TrackingRegion &region, double &cotTheta, double &z0)
void	stupidPrint (std::string s, float *d)
void	stupidPrint (std::string s, double *d)
void	stupidPrint (const char *s, GlobalPoint *d)
void	stupidPrint (const char *s, GlobalPoint *d, int n)
const TrajectorySeed *	trajectorySeed (TrajectorySeedCollection &seedCollection, const SeedingHitSet &phits, const SeedingHitSet &mhits, const TrackingRegion &region, const edm::Event &ev, const edm::EventSetup &es, std::stringstream &ss, std::vector< Quad > &quadV, edm::ParameterSet &QuadCutPSet)
double	verySimpleFit (int size, double *ax, double *ay, double *e2y, double &p0, double &e2p0, double &p1)
	~SeedForPhotonConversionFromQuadruplets ()

Static Public Attributes
static const int	cotTheta_Max =99999

Protected Member Functions
const TrajectorySeed *	buildSeed (TrajectorySeedCollection &seedCollection, const SeedingHitSet &hits, const FreeTrajectoryState &fts, const edm::EventSetup &es, bool apply_dzCut, const TrackingRegion &region) const
bool	buildSeedBool (TrajectorySeedCollection &seedCollection, const SeedingHitSet &hits, const FreeTrajectoryState &fts, const edm::EventSetup &es, bool apply_dzCut, const TrackingRegion &region, double dzcut) const
bool	checkHit (const TrajectoryStateOnSurface &, const SeedingHitSet::ConstRecHitPointer &hit, const edm::EventSetup &es) const
double	DeltaPhiManual (const math::XYZVector &v1, const math::XYZVector &v2)
CurvilinearTrajectoryError	initialError (const GlobalVector &vertexBounds, float ptMin, float sinTheta) const
GlobalTrajectoryParameters	initialKinematic (const SeedingHitSet &hits, const GlobalPoint &vertexPos, const edm::EventSetup &es, const float cotTheta) const
SeedingHitSet::RecHitPointer	refitHit (SeedingHitSet::ConstRecHitPointer hit, const TrajectoryStateOnSurface &state) const
bool	similarQuadExist (Quad &thisQuad, std::vector< Quad > &quadV)

Protected Attributes
TkClonerImpl	cloner
double	kPI_
PrintRecoObjects	po
std::stringstream *	pss
double	theBOFFMomentum
std::unique_ptr< SeedComparitor >	theComparitor
std::string	thePropagatorLabel

Detailed Description

Definition at line 20 of file SeedForPhotonConversionFromQuadruplets.h.

Constructor & Destructor Documentation

SeedForPhotonConversionFromQuadruplets::SeedForPhotonConversionFromQuadruplets	(	const edm::ParameterSet &	cfg,
		edm::ConsumesCollector &	iC,
		const edm::ParameterSet &	SeedComparitorPSet
	)

Definition at line 37 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                                                                                               :
  SeedForPhotonConversionFromQuadruplets(iC,
                                         SeedComparitorPSet,
                                         cfg.getParameter<std::string>("propagator"),
                                         cfg.existsAs<double>("SeedMomentumForBOFF") ? cfg.getParameter<double>("SeedMomentumForBOFF") : 5.0)
{}

SeedForPhotonConversionFromQuadruplets::SeedForPhotonConversionFromQuadruplets	(	edm::ConsumesCollector &	iC,
		const edm::ParameterSet &	SeedComparitorPSet,
		const std::string &	propagator = "PropagatorWithMaterial",
		double	seedMomentumForBOFF = -5.0
	)

Definition at line 44 of file SeedForPhotonConversionFromQuadruplets.cc.

References SurfaceDeformationFactory::create(), reco::get(), edm::ParameterSet::getParameter(), AlCaHLTBitMon_QueryRunRegistry::string, and theComparitor.

  : thePropagatorLabel(propagator), theBOFFMomentum(seedMomentumForBOFF)
{
  std::string comparitorName = SeedComparitorPSet.getParameter<std::string>("ComponentName");
  if(comparitorName != "none") {
    theComparitor.reset(SeedComparitorFactory::get()->create( comparitorName, SeedComparitorPSet, iC));
  }
}

SeedForPhotonConversionFromQuadruplets::~SeedForPhotonConversionFromQuadruplets

(

)

Definition at line 53 of file SeedForPhotonConversionFromQuadruplets.cc.

{}

Member Function Documentation

void SeedForPhotonConversionFromQuadruplets::bubbleReverseSortVsPhi	(	GlobalPoint	arr[],
		int	n,
		GlobalPoint	vtx
	)

Definition at line 984 of file SeedForPhotonConversionFromQuadruplets.cc.

References barePhi(), reco::deltaPhi(), i, j, and tmp.

                                                                  {
  bool swapped = true;
  int j = 0;
  GlobalPoint tmp;
  while (swapped) {
    swapped = false;
    j++;
    for (int i = 0; i < n - j; i++) {
      if ( reco::deltaPhi( (arr[i]-vtx).barePhi(), (arr[i + 1]-vtx).barePhi() ) < 0. ) {
    tmp = arr[i];
    arr[i] = arr[i + 1];
    arr[i + 1] = tmp;
    swapped = true;
      }
    }
  }
}

void SeedForPhotonConversionFromQuadruplets::bubbleSortVsPhi	(	GlobalPoint	arr[],
		int	n,
		GlobalPoint	vtx
	)

Definition at line 965 of file SeedForPhotonConversionFromQuadruplets.cc.

References barePhi(), reco::deltaPhi(), i, j, and tmp.

                                                           {
  bool swapped = true;
  int j = 0;
  GlobalPoint tmp;
  while (swapped) {
    swapped = false;
    j++;
    for (int i = 0; i < n - j; i++) {
      if ( reco::deltaPhi( (arr[i]-vtx).barePhi(), (arr[i + 1]-vtx).barePhi() ) > 0. ) {
    tmp = arr[i];
    arr[i] = arr[i + 1];
    arr[i + 1] = tmp;
    swapped = true;
      }
    }
  }
}

const TrajectorySeed * SeedForPhotonConversionFromQuadruplets::buildSeed ( TrajectorySeedCollection &  seedCollection, const SeedingHitSet &  hits, const FreeTrajectoryState &  fts, const edm::EventSetup &  es, bool  apply_dzCut, const TrackingRegion &  region  ) const

protected

Definition at line 689 of file SeedForPhotonConversionFromQuadruplets.cc.

References alongMomentum, TrackingRecHit::geographicalId(), edm::EventSetup::get(), TrajectoryStateOnSurface::globalMomentum(), BaseTrackerRecHit::localPosition(), TrackingRecHit::localPosition(), PV3DBase< T, PVType, FrameType >::perp(), trajectoryStateTransform::persistentState(), po, PrintRecoObjects::print(), Propagator::propagate(), HLT_25ns10e33_v2_cff::propagator, edm::OwnVector< T, P >::push_back(), DetId::rawId(), refitHit(), SeedingHitSet::size(), thePropagatorLabel, patCandidatesForDimuonsSequences_cff::tracker, KFUpdator::update(), and HLT_25ns10e33_v2_cff::updator.

Referenced by trajectorySeed().

{
  // get tracker
  edm::ESHandle<TrackerGeometry> tracker;
  es.get<TrackerDigiGeometryRecord>().get(tracker);

  // get propagator
  edm::ESHandle<Propagator>  propagatorHandle;
  es.get<TrackingComponentsRecord>().get(thePropagatorLabel, propagatorHandle);
  const Propagator*  propagator = &(*propagatorHandle);

  // get updator
  KFUpdator  updator;

  // Now update initial state track using information from seed hits.

  TrajectoryStateOnSurface updatedState;
  edm::OwnVector<TrackingRecHit> seedHits;

  const TrackingRecHit* hit = 0;
  for ( unsigned int iHit = 0; iHit < hits.size() && iHit<2; iHit++) {
    hit = hits[iHit];
    TrajectoryStateOnSurface state = (iHit==0) ?
      propagator->propagate(fts,tracker->idToDet(hit->geographicalId())->surface())
      : propagator->propagate(updatedState, tracker->idToDet(hit->geographicalId())->surface());

    SeedingHitSet::ConstRecHitPointer tth = hits[iHit];

    SeedingHitSet::RecHitPointer newtth =  refitHit( tth, state);

    updatedState =  updator.update(state, *newtth);

    seedHits.push_back(newtth);
#ifdef mydebug_seed
    uint32_t detid = hit->geographicalId().rawId();
    (*pss) << "\n[SeedForPhotonConversionFromQuadruplets] hit " << iHit;
    po.print(*pss, detid);
    (*pss) << " "  << detid << "\t lp " << hit->localPosition()
       << " tth " << tth->localPosition() << " newtth " << newtth->localPosition() << " state " << state.globalMomentum().perp();
#endif
  }

  if(!hit) return nullptr;

  PTrajectoryStateOnDet const &  PTraj =
      trajectoryStateTransform::persistentState(updatedState, hit->geographicalId().rawId());


  seedCollection.push_back( TrajectorySeed(PTraj,seedHits,alongMomentum));
  return &seedCollection.back();
}

bool SeedForPhotonConversionFromQuadruplets::buildSeedBool ( TrajectorySeedCollection &  seedCollection, const SeedingHitSet &  hits, const FreeTrajectoryState &  fts, const edm::EventSetup &  es, bool  apply_dzCut, const TrackingRegion &  region, double  dzcut  ) const

protected

Implement here the dz cut:::

Definition at line 751 of file SeedForPhotonConversionFromQuadruplets.cc.

References checkHit(), TrackingRecHit::clone(), cloner, gather_cfg::cout, alignCSCRings::e, TrackingRecHit::geographicalId(), edm::EventSetup::get(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), BaseTrackerRecHit::hit(), i, TrajectoryStateClosestToBeamLine::isValid(), TrajectoryStateOnSurface::isValid(), j, TrackingRegion::origin(), FreeTrajectoryState::position(), edm::ESHandle< class >::product(), Propagator::propagate(), HLT_25ns10e33_v2_cff::propagator, edm::OwnVector< T, P >::push_back(), refitHit(), SeedingHitSet::size(), mathSSE::sqrt(), thePropagatorLabel, patCandidatesForDimuonsSequences_cff::tracker, TrajectoryStateClosestToBeamLine::trackStateAtPCA(), HLT_25ns10e33_v2_cff::TTRHBuilder, reco::BeamSpot::Unknown, KFUpdator::update(), HLT_25ns10e33_v2_cff::updator, findQualityFiles::v, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by trajectorySeed().

{
  // get tracker
  edm::ESHandle<TrackerGeometry> tracker;
  es.get<TrackerDigiGeometryRecord>().get(tracker);

  // get propagator
  edm::ESHandle<Propagator>  propagatorHandle;
  es.get<TrackingComponentsRecord>().get(thePropagatorLabel, propagatorHandle);
  const Propagator*  propagator = &(*propagatorHandle);

   // get cloner (FIXME: add to config)
  auto TTRHBuilder = "WithTrackAngle"; 
  edm::ESHandle<TransientTrackingRecHitBuilder> builderH;
  es.get<TransientRecHitRecord>().get(TTRHBuilder, builderH);
  auto builder = (TkTransientTrackingRecHitBuilder const *)(builderH.product());
  cloner = (*builder).cloner(); 

  // get updator
  KFUpdator  updator;

  // Now update initial state track using information from seed hits.

  TrajectoryStateOnSurface updatedState;
  edm::OwnVector<TrackingRecHit> seedHits;

  const TrackingRecHit* hit = 0;
  for ( unsigned int iHit = 0; iHit < hits.size() && iHit<2; iHit++) {
    hit = hits[iHit]->hit();
    TrajectoryStateOnSurface state = (iHit==0) ?
      propagator->propagate(fts,tracker->idToDet(hit->geographicalId())->surface())
      : propagator->propagate(updatedState, tracker->idToDet(hit->geographicalId())->surface());
    if (!state.isValid()) {
        return false;}

    SeedingHitSet::ConstRecHitPointer tth = hits[iHit];

    SeedingHitSet::RecHitPointer newtth =  refitHit( tth, state);


    if (!checkHit(state,newtth,es)){
        return false;
    }
    
    updatedState =  updator.update(state, *newtth);
    if (!updatedState.isValid()){
        return false;
    }

    seedHits.push_back(newtth->hit()->clone());
  }

  if(apply_dzCut){

  double zCA;

  math::XYZVector EstMomGam(updatedState.globalMomentum().x(),updatedState.globalMomentum().y(),updatedState.globalMomentum().z());
  math::XYZVector EstPosGam(updatedState.globalPosition().x(),updatedState.globalPosition().y(),updatedState.globalPosition().z());

  double EstMomGamLength=std::sqrt(EstMomGam.x()*EstMomGam.x()+EstMomGam.y()*EstMomGam.y()+EstMomGam.z()*EstMomGam.z());
  math::XYZVector EstMomGamNorm(EstMomGam.x()/EstMomGamLength,EstMomGam.y()/EstMomGamLength,EstMomGam.z()/EstMomGamLength);

  //Calculate dz of point of closest approach of the two lines (WA approach) -> cut on dz
  
      
  const GlobalPoint EstPosGamGlobalPoint(updatedState.globalPosition().x(),updatedState.globalPosition().y(),updatedState.globalPosition().z());
  const GlobalVector EstMomGamGlobalVector(updatedState.globalMomentum().x(),updatedState.globalMomentum().y(),updatedState.globalMomentum().z());


  edm::ESHandle<MagneticField> bfield;
  es.get<IdealMagneticFieldRecord>().get(bfield);
  const MagneticField* magField = bfield.product();
  TrackCharge qCharge = 0;
  
  const GlobalTrajectoryParameters myGlobalTrajectoryParameter(EstPosGamGlobalPoint, EstMomGamGlobalVector, qCharge, magField);
  
  AlgebraicSymMatrix66 aCovarianceMatrix;
  
  for (int i =0;i<6;++i)
     for (int j =0;j<6;++j)
         aCovarianceMatrix(i, j) = 1e-4;
 
  CartesianTrajectoryError myCartesianError (aCovarianceMatrix);
 
  const FreeTrajectoryState stateForProjectionToBeamLine(myGlobalTrajectoryParameter,myCartesianError);

  const GlobalPoint BeamSpotGlobalPoint(0,0,0);

  const reco::BeamSpot::Point BeamSpotPoint(region.origin().x(),region.origin().y(),region.origin().z());

  TSCBLBuilderNoMaterial tscblBuilder;
  
  double CovMatEntry=0.;
  reco::BeamSpot::CovarianceMatrix cov;
  for (int i=0;i<3;++i) {
      cov(i,i) = CovMatEntry;
  }
   reco::BeamSpot::BeamType BeamType_=reco::BeamSpot::Unknown;

  reco::BeamSpot myBeamSpot(BeamSpotPoint, 0.,0.,0.,0., cov,BeamType_);
       
  TrajectoryStateClosestToBeamLine tscbl = tscblBuilder(stateForProjectionToBeamLine,myBeamSpot);
  if (tscbl.isValid()==false) {
      zCA=0;
  }
  else{
      GlobalPoint v = tscbl.trackStateAtPCA().position(); // Position of closest approach to BS
      zCA=v.z();
  }
  
/*  //Calculate dz of point of closest approach of the two lines -> cut on dz

  double newX,newY,newR;
  double Rbuff=std::sqrt(EstPosGam.x()*EstPosGam.x()+EstPosGam.y()*EstPosGam.y());
  double deltas,s,sbuff;
  double rMin=1e9;

  double InitXp=EstPosGam.x()+1*EstMomGamNorm.x();
  double InitXm=EstPosGam.x()-1*EstMomGamNorm.x();
  double InitYp=EstPosGam.y()+1*EstMomGamNorm.y();
  double InitYm=EstPosGam.y()-1*EstMomGamNorm.y();

  if(InitXp*InitXp+InitYp*InitYp < InitXm*InitXm+InitYm*InitYm)  {s=5; deltas=5;}
  else {s=-5; deltas=-5;}

  int nTurns=0;
  int nIterZ=0;
  for (int i_dz=0;i_dz<1000;i_dz++){
  newX=EstPosGam.x()+s*EstMomGamNorm.x();
  newY=EstPosGam.y()+s*EstMomGamNorm.y();
  newR=std::sqrt(newX*newX+newY*newY);
  if(newR>Rbuff) {deltas=-1*deltas/10;nTurns++;}
  else {Rbuff=newR;}
  if(newR<rMin) {rMin=newR; sbuff=s;}
  s=s+deltas;
  nIterZ++;
  if(nTurns>1) break;
  }

  zCA=EstPosGam.z()+sbuff*EstMomGamNorm.z();
*/
  
#ifdef mydebug_knuenz
  std::cout<< "zCA: " << zCA <<std::endl;
#endif

  if(std::fabs(zCA)>dzcut) return false;


  }


  return true;
}

bool SeedForPhotonConversionFromQuadruplets::checkHit ( const TrajectoryStateOnSurface &  , const SeedingHitSet::ConstRecHitPointer &  hit, const edm::EventSetup &  es  ) const

inlineprotected

Definition at line 62 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by buildSeedBool().

                                           { return true; }

double SeedForPhotonConversionFromQuadruplets::DeltaPhiManual ( const math::XYZVector &  v1, const math::XYZVector &  v2  )

protected

Definition at line 1095 of file SeedForPhotonConversionFromQuadruplets.cc.

References kPI_.

Referenced by trajectorySeed().

                                                                                                             {

    double  kTWOPI     = 2.*kPI_;
    double DeltaPhiMan=v1.Phi()-v2.Phi();
    while (DeltaPhiMan >= kPI_) DeltaPhiMan -= kTWOPI;
    while (DeltaPhiMan < -kPI_) DeltaPhiMan += kTWOPI;

    return DeltaPhiMan;

}

double SeedForPhotonConversionFromQuadruplets::getSqrEffectiveErrorOnZ	(	const SeedingHitSet::ConstRecHitPointer &	hit,
		const TrackingRegion &	region
	)

Definition at line 1047 of file SeedForPhotonConversionFromQuadruplets.cc.

References TrackingRegion::origin(), PV3DBase< T, PVType, FrameType >::perp(), funct::sqr(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by simpleGetSlope(), and trajectorySeed().

                                                                                                                                               {

  //
  //Fit-wise the effective error on Z is the sum in quadrature of the error on Z
  //and the error on R correctly projected by using hit-vertex direction

  double sqrProjFactor = sqr((hit->globalPosition().z()-region.origin().z())/(hit->globalPosition().perp()-region.origin().perp()));
  return (hit->globalPositionError().czz()+sqrProjFactor*hit->globalPositionError().rerr(hit->globalPosition()));

}

CurvilinearTrajectoryError SeedForPhotonConversionFromQuadruplets::initialError ( const GlobalVector &  vertexBounds, float  ptMin, float  sinTheta  ) const

protected

Definition at line 660 of file SeedForPhotonConversionFromQuadruplets.cc.

References funct::C, GlobalErrorBase< T, ErrorWeightType >::cxx(), GlobalErrorBase< T, ErrorWeightType >::czz(), bookConverter::max, funct::sqr(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by trajectorySeed().

{
  // Set initial uncertainty on track parameters, using only P.V. constraint and no hit
  // information.
  GlobalError vertexErr( sqr(vertexBounds.x()), 0,
             sqr(vertexBounds.y()), 0, 0,
             sqr(vertexBounds.z())
             );


  AlgebraicSymMatrix55 C = ROOT::Math::SMatrixIdentity();

// FIXME: minC00. Prevent apriori uncertainty in 1/P from being too small,
// to avoid instabilities.
// N.B. This parameter needs optimising ...
  float sin2th = sqr(sinTheta);
  float minC00 = 1.0;
  C[0][0] = std::max(sin2th/sqr(ptMin), minC00);
  float zErr = vertexErr.czz();
  float transverseErr = vertexErr.cxx(); // assume equal cxx cyy
  C[3][3] = transverseErr;
  C[4][4] = zErr*sin2th + transverseErr*(1-sin2th);

  return CurvilinearTrajectoryError(C);
}

GlobalTrajectoryParameters SeedForPhotonConversionFromQuadruplets::initialKinematic ( const SeedingHitSet &  hits, const GlobalPoint &  vertexPos, const edm::EventSetup &  es, const float  cotTheta  ) const

protected

Definition at line 601 of file SeedForPhotonConversionFromQuadruplets.cc.

References GlobalTrajectoryParameters::charge(), cotTheta_Max, edm::EventSetup::get(), GlobalTrajectoryParameters::magneticField(), GlobalTrajectoryParameters::momentum(), PV3DBase< T, PVType, FrameType >::perp(), po, GlobalTrajectoryParameters::position(), PrintRecoObjects::print(), theBOFFMomentum, GlobalTrajectoryParameters::transverseCurvature(), Vector3DBase< T, FrameTag >::unit(), PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

{
  GlobalTrajectoryParameters kine;

  SeedingHitSet::ConstRecHitPointer tth1 = hits[0];
  SeedingHitSet::ConstRecHitPointer tth2 = hits[1];

  edm::ESHandle<MagneticField> bfield;
  es.get<IdealMagneticFieldRecord>().get(bfield);
  float nomField = bfield->nominalValue();
  bool isBOFF = (0==nomField);
 

  FastHelix helix(tth2->globalPosition(), tth1->globalPosition(), vertexPos, nomField,&*bfield, vertexPos);
  kine = helix.stateAtVertex();

  //force the pz/pt equal to the measured one
  if(fabs(cotTheta)<cotTheta_Max)
    kine = GlobalTrajectoryParameters(kine.position(),
                      GlobalVector(kine.momentum().x(),kine.momentum().y(),kine.momentum().perp()*cotTheta),
                      kine.charge(),
                      & kine.magneticField()
                      );
  else
    kine = GlobalTrajectoryParameters(kine.position(),
                      GlobalVector(kine.momentum().x(),kine.momentum().y(),kine.momentum().perp()*cotTheta_Max),
                      kine.charge(),
                      & kine.magneticField()
                      );

#ifdef mydebug_seed
  uint32_t detid;
  (*pss) << "[SeedForPhotonConversionFromQuadruplets] initialKinematic tth1 " ;
  detid=tth1->geographicalId().rawId();
  po.print(*pss, detid );
  (*pss) << " \t " << detid << " " << tth1->localPosition()  << " " << tth1->globalPosition()    ;
  detid= tth2->geographicalId().rawId();
  (*pss) << " \n\t tth2 ";
  po.print(*pss, detid );
  (*pss) << " \t " << detid << " " << tth2->localPosition()  << " " << tth2->globalPosition()
     << "\nhelix momentum " << kine.momentum() << " pt " << kine.momentum().perp() << " radius " << 1/kine.transverseCurvature();
#endif

  if (isBOFF && (theBOFFMomentum > 0)) {
    kine = GlobalTrajectoryParameters(kine.position(),
                              kine.momentum().unit() * theBOFFMomentum,
                              kine.charge(),
                              &*bfield);
  }
  return kine;
}

SeedingHitSet::RecHitPointer SeedForPhotonConversionFromQuadruplets::refitHit ( SeedingHitSet::ConstRecHitPointer  hit, const TrajectoryStateOnSurface &  state  ) const

protected

Definition at line 916 of file SeedForPhotonConversionFromQuadruplets.cc.

References cloner.

Referenced by buildSeed(), and buildSeedBool().

{
  //const TransientTrackingRecHit* a= hit.get();
  //return const_cast<TransientTrackingRecHit*> (a);
  //This was modified otherwise the rechit will have just the local x component and local y=0
  // To understand how to modify for pixels

  //const TSiStripRecHit2DLocalPos* b = dynamic_cast<const TSiStripRecHit2DLocalPos*>(a);
  //return const_cast<TSiStripRecHit2DLocalPos*>(b);
  return (SeedingHitSet::RecHitPointer)(cloner(*hit,state));
}

bool SeedForPhotonConversionFromQuadruplets::similarQuadExist ( Quad &  thisQuad, std::vector< Quad > &  quadV  )

protected

Definition at line 1058 of file SeedForPhotonConversionFromQuadruplets.cc.

References Quad::ptMinus, Quad::ptPlus, mathSSE::sqrt(), Quad::x, and Quad::y.

Referenced by trajectorySeed().

                                                                                                    {

  BOOST_FOREACH( Quad quad, quadV )
    {
      double dx = thisQuad.x-quad.x;
      double dy = thisQuad.y-quad.y;
      //double dz = abs(thisQuad.z-quad.z);
      //std::cout<<"thisQuad.x="<<thisQuad.x<<"  "<<"quad.x="<<quad.x<<"  "<<"thisQuad.y="<<thisQuad.y<<"  "<<"quad.y="<<quad.y<<"  "<<"thisQuad.z"<<thisQuad.z<<"  "<<"quad.z="<<quad.z<<"  "<<"thisQuad.ptPlus"<<thisQuad.ptPlus<<"  "<<"quad.ptPlus="<<quad.ptPlus<<"  "<<"thisQuad.ptMinus="<<thisQuad.ptMinus<<"  "<<"quad.ptMinus="<<quad.ptMinus<<"  "<<"thisQuad.cot="<<thisQuad.cot<<"  "<<"quad.cot="<<quad.cot<<std::endl; //ValDebug
      //std::cout<<"x1-x2="<<dx<<"y1-y2="<<dy<<"dx*dx+dy*dy="<<dx*dx+dy*dy<<std::endl; //ValDebug
      //std::cout<<"thisQuad.ptPlus-quad.ptPlus="<<thisQuad.ptPlus-quad.ptPlus<<"abs(thisQuad.ptPlus-quad.ptPlus)="<<abs(thisQuad.ptPlus-quad.ptPlus)<<std::endl; //ValDebug
      //std::cout <<sqrt(dx*dx+dy*dy)<<" <1? "<<dz<<" <3? "<<abs(thisQuad.ptPlus-quad.ptPlus)<<" <0.5? "<<abs(thisQuad.ptMinus-quad.ptMinus)<<" <0.5? "<<abs(thisQuad.cot-quad.cot)<<" <0.3? "<<std::endl; //ValDebug
      //if ( sqrt(dx*dx+dy*dy)<1.)
      //      std::cout <<sqrt(dx*dx+dy*dy)<<" <1? "<<dz<<" <3? "<<abs(thisQuad.ptPlus-quad.ptPlus)<<" <"<<0.5*quad.ptPlus<<"? "<<abs(thisQuad.ptMinus-quad.ptMinus)<<" <"<<0.5*quad.ptMinus<<"? "<<abs(thisQuad.cot-quad.cot)<<" <"<<0.3*quad.cot<<"? "<<std::endl; //ValDebug
    // ( sqrt(dx*dx+dy*dy)<1. &&
    //z<3. &&
    //bs(thisQuad.ptPlus-quad.ptPlus)<0.5*quad.ptPlus &&
    //bs(thisQuad.ptMinus-quad.ptMinus)<0.5*quad.ptMinus &&
    //bs(thisQuad.cot-quad.cot)<0.3*quad.cot
    //
    //  {
    //  //std::cout<<"Seed rejected due to arbitration"<<std::endl;
    //  return true;
    //  }
      if ( sqrt(dx*dx+dy*dy)<1. &&
       fabs(thisQuad.ptPlus-quad.ptPlus)<0.5*quad.ptPlus &&
       fabs(thisQuad.ptMinus-quad.ptMinus)<0.5*quad.ptMinus
       )
          {
          //std::cout<<"Seed rejected due to arbitration"<<std::endl;
          return true;
          }
    }
  quadV.push_back(thisQuad);
  return false;

}

double SeedForPhotonConversionFromQuadruplets::simpleGetSlope	(	const SeedingHitSet::ConstRecHitPointer &	ohit,
		const SeedingHitSet::ConstRecHitPointer &	nohit,
		const SeedingHitSet::ConstRecHitPointer &	ihit,
		const SeedingHitSet::ConstRecHitPointer &	nihit,
		const TrackingRegion &	region,
		double &	cotTheta,
		double &	z0
	)

Definition at line 1004 of file SeedForPhotonConversionFromQuadruplets.cc.

References beam_dqm_sourceclient-live_cfg::chi2, getSqrEffectiveErrorOnZ(), TrackingRegion::origin(), TrackingRegion::originZBound(), PV3DBase< T, PVType, FrameType >::perp(), funct::sqr(), verySimpleFit(), x, y, and PV3DBase< T, PVType, FrameType >::z().

Referenced by trajectorySeed().

                                                                                                                                                                                                                                                                   {

  double x[5], y[5], e2y[5];

  //The fit is done filling x with r values, y with z values of the four hits and the vertex
  //
  //Hits
  x[0] = ohit->globalPosition().perp();
  y[0] = ohit->globalPosition().z();
  e2y[0] = getSqrEffectiveErrorOnZ(ohit, region);
  //
  x[1] = nohit->globalPosition().perp();
  y[1] = nohit->globalPosition().z();
  e2y[1] = getSqrEffectiveErrorOnZ(nohit, region);
  //
  x[2] = nihit->globalPosition().perp();
  y[2] = nihit->globalPosition().z();
  e2y[2] = getSqrEffectiveErrorOnZ(nihit, region);
  //
  x[3] = ihit->globalPosition().perp();
  y[3] = ihit->globalPosition().z();
  e2y[3] = getSqrEffectiveErrorOnZ(ihit, region);
  //
  //Vertex
  x[4] = region.origin().perp();
  y[4] = region.origin().z();
  double vError = region.originZBound();
  if ( vError > 15. ) vError = 1.;
  e2y[4] = sqr(vError);

  double e2z0;
  double chi2 = verySimpleFit(5, x, y, e2y, z0, e2z0, cotTheta);

  return chi2;

}

void SeedForPhotonConversionFromQuadruplets::stupidPrint	(	std::string	s,
		float *	d
	)

Definition at line 935 of file SeedForPhotonConversionFromQuadruplets.cc.

References i.

                                 {
  (*pss) << "\n" << s << "\t";
  for(size_t i=0;i<2;++i)
      (*pss) << std::setw (60)  << d[i] << std::setw(1) << " | ";
}

void SeedForPhotonConversionFromQuadruplets::stupidPrint	(	std::string	s,
		double *	d
	)

Definition at line 942 of file SeedForPhotonConversionFromQuadruplets.cc.

References i.

                                  {
  (*pss) << "\n" << s << "\t";
  for(size_t i=0;i<2;++i)
      (*pss) << std::setw (60) << d[i] << std::setw(1) << " | ";
}

void SeedForPhotonConversionFromQuadruplets::stupidPrint	(	const char *	s,
		GlobalPoint *	d
	)

Definition at line 949 of file SeedForPhotonConversionFromQuadruplets.cc.

References i, PV3DBase< T, PVType, FrameType >::perp(), and PV3DBase< T, PVType, FrameType >::phi().

                                         {
  (*pss) << "\n" << s << "\t";
  for(size_t i=0;i<2;++i)
    (*pss) << std::setw(20) << d[i] << " r " << d[i].perp() << " phi " << d[i].phi() << " | ";
}

void SeedForPhotonConversionFromQuadruplets::stupidPrint	(	const char *	s,
		GlobalPoint *	d,
		int	n
	)

Definition at line 956 of file SeedForPhotonConversionFromQuadruplets.cc.

References i, gen::n, PV3DBase< T, PVType, FrameType >::perp(), and PV3DBase< T, PVType, FrameType >::phi().

                                                 {
  (*pss) << "\n" << s << "\n";
  for(int i=0;i<n;++i)
    (*pss) << std::setw(20) << d[i] << " r " << d[i].perp() << " phi " << d[i].phi() << "\n";
}

const TrajectorySeed * SeedForPhotonConversionFromQuadruplets::trajectorySeed	(	TrajectorySeedCollection &	seedCollection,
		const SeedingHitSet &	phits,
		const SeedingHitSet &	mhits,
		const TrackingRegion &	region,
		const edm::Event &	ev,
		const edm::EventSetup &	es,
		std::stringstream &	ss,
		std::vector< Quad > &	quadV,
		edm::ParameterSet &	QuadCutPSet
	)

Definition at line 56 of file SeedForPhotonConversionFromQuadruplets.cc.

References funct::abs(), buildSeed(), buildSeedBool(), funct::C, beam_dqm_sourceclient-live_cfg::chi2, Conv4HitsReco2::ConversionCandidate(), funct::cos(), gather_cfg::cout, ztail::d, DeltaPhiManual(), Conv4HitsReco2::Dump(), edm::EventSetup::get(), edm::ParameterSet::getParameter(), getSqrEffectiveErrorOnZ(), initialError(), listHistos::IP, relval_2017::k, kPI_, TrackingRegion::origin(), TrackingRegion::originRBound(), TrackingRegion::originZBound(), colinearityKinematic::Phi, TrackingRegion::ptMin(), ptmin, HLT_25ns10e33_v2_cff::region, Conv4HitsReco2::SetMaxNumberOfIterations(), similarQuadExist(), simpleGetSlope(), funct::sin(), SeedingHitSet::size(), mathSSE::sqrt(), contentValuesCheck::ss, theComparitor, Quad::x, x, PV3DBase< T, PVType, FrameType >::x(), y, PV3DBase< T, PVType, FrameType >::y(), z, and PV3DBase< T, PVType, FrameType >::z().

{




    bool rejectAllQuads=QuadCutPSet.getParameter<bool>("rejectAllQuads");
    if(rejectAllQuads) return 0;

    bool applyDeltaPhiCuts=QuadCutPSet.getParameter<bool>("apply_DeltaPhiCuts");
    bool ClusterShapeFiltering=QuadCutPSet.getParameter<bool>("apply_ClusterShapeFilter");
    bool applyArbitration=QuadCutPSet.getParameter<bool>("apply_Arbitration");
    bool applydzCAcut=QuadCutPSet.getParameter<bool>("apply_zCACut");
    double CleaningmaxRadialDistance=QuadCutPSet.getParameter<double>("Cut_DeltaRho");//cm
    double BeamPipeRadiusCut=QuadCutPSet.getParameter<double>("Cut_BeamPipeRadius");//cm
    double CleaningMinLegPt = QuadCutPSet.getParameter<double>("Cut_minLegPt"); //GeV
    double maxLegPt = QuadCutPSet.getParameter<double>("Cut_maxLegPt"); //GeV
    double dzcut=QuadCutPSet.getParameter<double>("Cut_zCA");//cm

    double toleranceFactorOnDeltaPhiCuts=0.1;

  //  return 0; //FIXME, remove this line to make the code working.

  pss = &ss;

  if ( phits.size() < 2) return 0;
  if ( mhits.size() < 2) return 0;

  //PUT HERE THE QUADRUPLET ALGORITHM, AND IN CASE USE THE METHODS ALREADY DEVELOPED, ADAPTING THEM

  //
  // Rozzo ma efficace (per ora)
  //

#ifdef mydebug_sguazz
  std::cout << " --------------------------------------------------------------------------" << "\n";
  std::cout << "  Starting a hit quad fast reco " << "\n";
  std::cout << " --------------------------------------------------------------------------" << "\n";
#endif

  //
  // Let's build the 4 hits
  SeedingHitSet::ConstRecHitPointer ptth1 = phits[0];
  SeedingHitSet::ConstRecHitPointer ptth2 = phits[1];
  SeedingHitSet::ConstRecHitPointer mtth1 = mhits[0];
  SeedingHitSet::ConstRecHitPointer mtth2 = mhits[1];

  GlobalPoint vHit[4];
  vHit[0]=ptth2->globalPosition();
  vHit[1]=ptth1->globalPosition();
  vHit[2]=mtth1->globalPosition();
  vHit[3]=mtth2->globalPosition();

  //Photon source vertex primary vertex
  GlobalPoint vgPhotVertex=region.origin();
  math::XYZVector vPhotVertex(vgPhotVertex.x(), vgPhotVertex.y(), vgPhotVertex.z());

  math::XYZVector h1(vHit[0].x(),vHit[0].y(),vHit[0].z());
  math::XYZVector h2(vHit[1].x(),vHit[1].y(),vHit[1].z());
  math::XYZVector h3(vHit[2].x(),vHit[2].y(),vHit[2].z());
  math::XYZVector h4(vHit[3].x(),vHit[3].y(),vHit[3].z());

// At this point implement cleaning cuts before building the seed:::

/*
  Notes:

h1, h2: positron
h3, h4: electron

P1, P2: positron, ordered with radius
M1, M2: electron, ordered with radius

Evan's notation:
V1=P1
V2=M1
V3=P2
V4=M2

*/

  math::XYZVector P1;
  math::XYZVector P2;
  math::XYZVector M1;
  math::XYZVector M2;

  if(h1.x()*h1.x()+h1.y()*h1.y() < h2.x()*h2.x()+h2.y()*h2.y()){
      P1=h1;
      P2=h2;
  }
  else{
      P1=h2;
      P2=h1;
  }

  if(h3.x()*h3.x()+h3.y()*h3.y() < h4.x()*h4.x()+h4.y()*h4.y()){
      M1=h3;
      M2=h4;
  }
  else{
      M1=h4;
      M2=h3;
  }

// Intersection-point:::
/*
Calculate the intersection point of the lines P2-P1 and M2-M1.
If this point is in the beam pipe, or if the distance of this
point to the layer of the most inner hit of the seed is less
than CleaningmaxRadialDistance cm, the combination is rejected.
*/


  math::XYZVector IP(0,0,0);

  //Line1:
  double kP=(P1.y()-P2.y())/(P1.x()-P2.x());
  double dP=P1.y()-kP*P1.x();
  //Line2:
  double kM=(M1.y()-M2.y())/(M1.x()-M2.x());
  double dM=M1.y()-kM*M1.x();
  //Intersection:
  double IPx=(dM-dP)/(kP-kM);
  double IPy=kP*IPx+dP;

  IP.SetXYZ(IPx,IPy,0);

  double IPrho=std::sqrt(IP.x()*IP.x()+IP.y()*IP.y());
  double P1rho2=P1.x()*P1.x()+P1.y()*P1.y();
  double M1rho2=M1.x()*M1.x()+M1.y()*M1.y();
  double maxIPrho2=IPrho+CleaningmaxRadialDistance; maxIPrho2*=maxIPrho2;

  if( IPrho<BeamPipeRadiusCut || P1rho2>maxIPrho2 || M1rho2>maxIPrho2){
      return 0;
  }

  if(applyDeltaPhiCuts) {

  kPI_ = std::atan(1.0)*4;
  
  edm::ESHandle<MagneticField> bfield;
  es.get<IdealMagneticFieldRecord>().get(bfield);
  math::XYZVector QuadMean(0,0,0);
  QuadMean.SetXYZ((M1.x()+M2.x()+P1.x()+P2.x())/4.,(M1.y()+M2.y()+P1.y()+P2.y())/4.,(M1.z()+M2.z()+P1.z()+P2.z())/4.);

  double fBField = bfield->inTesla(GlobalPoint(QuadMean.x(),QuadMean.y(),QuadMean.z())).z();

  double rMax=CleaningMinLegPt/(0.01*0.3*fBField);
  double rMax_squared=rMax*rMax;
  double Mx=M1.x();
  double My=M1.y();

  math::XYZVector B(0,0,0);
  math::XYZVector C(0,0,0);

  if(rMax_squared*4. > Mx*Mx+My*My){

// Cleaning P1 points:::

      //Cx, Cy = Coordinates of circle center
      //C_=line that contains the circle center

  //C_=k*x+d
  double k=-Mx/My;
  double d=My/2.-k*Mx/2.;

#ifdef mydebug_knuenz
std::cout << "k" << k << std::endl;
std::cout << "d" << d << std::endl;
#endif

  //Cx1,2 and Cy1,2 are the two points that have a distance of rMax to 0,0
  double CsolutionPart1=-2*k*d;
  double CsolutionPart2=std::sqrt(4*k*k*d*d-4*(1+k*k)*(d*d-rMax_squared));
  double CsolutionPart3=2*(1+k*k);
  double Cx1=(CsolutionPart1+CsolutionPart2)/CsolutionPart3;
  double Cx2=(CsolutionPart1-CsolutionPart2)/CsolutionPart3;
  double Cy1=k*Cx1+d;
  double Cy2=k*Cx2+d;


  // Decide between solutions: phi(C) > phi(P)
  double Cx,Cy;
  math::XYZVector C1(Cx1,Cy1,0);
  if(C1.x()*M1.y()-C1.y()*M1.x()<0){
      Cx=Cx1;
      Cy=Cy1;
  }
  else{
      Cx=Cx2;
      Cy=Cy2;
  }
  C.SetXYZ(Cx,Cy,0);

#ifdef mydebug_knuenz
    std::cout << "Cx1" << Cx1 << std::endl;
    std::cout << "Cx2" << Cx2 << std::endl;
    std::cout << "Cy1" << Cy1 << std::endl;
    std::cout << "Cy2" << Cy2 << std::endl;
    std::cout << "Cx" << Cx << std::endl;
    std::cout << "Cy" << Cy << std::endl;
#endif

// Find Tangent at 0,0 to minPtCircle and point (Bx,By) on the first layer which bisects the allowed angle
  k=-Cx/Cy;
  d=0;
  double Bx1=std::sqrt(Mx*Mx+My*My/(1+k*k));
  double Bx2=-Bx1;
  double By1=k*Bx1+d;
  double By2=k*Bx2+d;

#ifdef mydebug_knuenz
    std::cout << "k" << k << std::endl;
    std::cout << "d" << d << std::endl;
#endif

// Decide between solutions: phi(B) < phi(P)
  double Bx,By;
  math::XYZVector B1(Bx1,By1,0);
  if(M1.x()*B1.y()-M1.y()*B1.x()<0){
      Bx=Bx1;
      By=By1;
  }
  else{
      Bx=Bx2;
      By=By2;
  }
  B.SetXYZ(Bx,By,0);

#ifdef mydebug_knuenz
    std::cout << "Bx1" << Bx1 << std::endl;
    std::cout << "Bx2" << Bx2 << std::endl;
    std::cout << "By1" << By1 << std::endl;
    std::cout << "By2" << By2 << std::endl;
    std::cout << "Bx" << Bx << std::endl;
    std::cout << "By" << By << std::endl;
#endif

  double DeltaPhiMaxM1P1=DeltaPhiManual(M1,B)*2;

#ifdef mydebug_knuenz
    std::cout << "DeltaPhiMaxM1P1 " << DeltaPhiMaxM1P1 << std::endl;
    std::cout << "M1.DeltaPhi(P1) " << DeltaPhiManual(M1,P1) << std::endl;
    std::cout << "rho P1: " << std::sqrt(P1.x()*P1.x()+P1.y()*P1.y()) <<  "phi P1: " << P1.Phi() << std::endl;
    std::cout << "rho M1: " << std::sqrt(M1.x()*M1.x()+M1.y()*M1.y()) <<  "phi M1: " << M1.Phi() << std::endl;
#endif

//Finally Cut on DeltaPhi of P1 and M1

    double tol_DeltaPhiMaxM1P1=DeltaPhiMaxM1P1*toleranceFactorOnDeltaPhiCuts;
    double DeltaPhiManualM1P1=DeltaPhiManual(M1,P1);

if(DeltaPhiManualM1P1>DeltaPhiMaxM1P1+tol_DeltaPhiMaxM1P1 || DeltaPhiManualM1P1<0-tol_DeltaPhiMaxM1P1){
    return 0;
}

  }//if rMax > rLayerM1


// Cleaning M2 points:::

//  if(B.DeltaPhi(P1)>0){//normal algo (with minPt circle)

      double rM2_squared=M2.x()*M2.x()+M2.y()*M2.y();
      if(rMax_squared*4. > rM2_squared){//if minPt circle is smaller than 2*M2-layer radius, algo makes no sense

          //Chordales equation (line containing the two intersection points of the two circles)
          double k=-C.x()/C.y();
          double d=(rM2_squared-rMax_squared+C.x()*C.x()+C.y()*C.y())/(2*C.y());

          double M2solutionPart1=-2*k*d;
          double M2solutionPart2=std::sqrt(4*k*k*d*d-4*(1+k*k)*(d*d-rM2_squared));
          double M2solutionPart3=2+2*k*k;
          double M2xMax1=(M2solutionPart1+M2solutionPart2)/M2solutionPart3;
          double M2xMax2=(M2solutionPart1-M2solutionPart2)/M2solutionPart3;
          double M2yMax1=k*M2xMax1+d;
          double M2yMax2=k*M2xMax2+d;

          //double M2xMax,M2yMax;
          math::XYZVector M2MaxVec1(M2xMax1,M2yMax1,0);
          math::XYZVector M2MaxVec2(M2xMax2,M2yMax2,0);
          math::XYZVector M2MaxVec(0,0,0);
          if(M2MaxVec1.x()*M2MaxVec2.y()-M2MaxVec1.y()*M2MaxVec2.x()<0){
              M2MaxVec.SetXYZ(M2xMax2,M2yMax2,0);
          }
          else{
              M2MaxVec.SetXYZ(M2xMax1,M2yMax1,0);
          }

          double DeltaPhiMaxM2=DeltaPhiManual(M2MaxVec,M1);

#ifdef mydebug_knuenz
            std::cout << "C.x() " << C.x() << std::endl;
            std::cout << "C.y() " << C.y() << std::endl;
            std::cout << "M1.x() " << M1.x() << std::endl;
            std::cout << "M1.y() " << M1.y() << std::endl;
            std::cout << "M2.x() " << M2.x() << std::endl;
            std::cout << "M2.y() " << M2.y() << std::endl;
            std::cout << "k " << k << std::endl;
            std::cout << "d " << d << std::endl;
            std::cout << "M2xMax1 " << M2xMax1 << std::endl;
            std::cout << "M2xMax2 " << M2xMax2 << std::endl;
            std::cout << "M2yMax1 " << M2yMax1 << std::endl;
            std::cout << "M2yMax2 " << M2yMax2 << std::endl;
            std::cout << "M2xMax " << M2MaxVec.x() << std::endl;
            std::cout << "M2yMax " << M2MaxVec.y() << std::endl;
            std::cout << "rM2_squared " << rM2_squared << std::endl;
            std::cout << "rMax " << rMax << std::endl;
            std::cout << "DeltaPhiMaxM2 " << DeltaPhiMaxM2 << std::endl;
#endif


            double tol_DeltaPhiMaxM2=DeltaPhiMaxM2*toleranceFactorOnDeltaPhiCuts;
            double DeltaPhiManualM2M1=DeltaPhiManual(M2,M1);

          if(DeltaPhiManualM2M1>DeltaPhiMaxM2+tol_DeltaPhiMaxM2 || DeltaPhiManualM2M1<0-tol_DeltaPhiMaxM2){
              return 0;
          }

          //Using the lazy solution for P2: DeltaPhiMaxP2=DeltaPhiMaxM2
          double DeltaPhiManualP1P2=DeltaPhiManual(P1,P2);
          if(DeltaPhiManualP1P2>DeltaPhiMaxM2+tol_DeltaPhiMaxM2 || DeltaPhiManualP1P2<0-tol_DeltaPhiMaxM2){
            return 0;
          }

      }

}

//  }

//  if(B.DeltaPhi(P1)<0){//different algo (without minPt circle)

//  }

// End of pre-seed cleaning

      
      
  Conv4HitsReco2 quad(vPhotVertex, h1, h2, h3, h4);
  quad.SetMaxNumberOfIterations(100);
#ifdef mydebug_sguazz
  quad.Dump();
#endif
  math::XYZVector candVtx;
  double candPtPlus, candPtMinus;
  //double rPlus, rMinus;
  int nite = quad.ConversionCandidate(candVtx, candPtPlus, candPtMinus);

  if ( ! (nite && abs(nite) < 25 && nite != -1000 && nite != -2000) ) return 0;

//  math::XYZVector plusCenter = quad.GetPlusCenter(rPlus);
//  math::XYZVector minusCenter = quad.GetMinusCenter(rMinus);

#ifdef mydebug_sguazz
    std::cout << " >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" << "\n";
    std::cout << " >>>>>>>>>>> Conv Cand: " << " Vertex X: " << candVtx.X() << " [cm] Y: " << candVtx.Y() << " [cm] pt+: " << candPtPlus<< " [GeV] pt-: " << candPtMinus << " [GeV]; #its: " << nite << "\n";
#endif

    //Add here cuts
    double minLegPt = CleaningMinLegPt;
    double maxRadialDistance = CleaningmaxRadialDistance;

    //
    // Cut on leg's transverse momenta
    if ( candPtPlus < minLegPt ) return 0;
    if ( candPtMinus < minLegPt ) return 0;
    //
    if ( candPtPlus > maxLegPt ) return 0;
    if ( candPtMinus > maxLegPt ) return 0;
    //
    // Cut on radial distance between estimated conversion vertex and inner hits
    double cr = std::sqrt(candVtx.Perp2());
    double maxr2 = (maxRadialDistance + cr); maxr2*=maxr2;
    if (h2.Perp2() > maxr2) return 0;
    if (h3.Perp2() > maxr2) return 0;


// At this point implement cleaning cuts after building the seed

    //ClusterShapeFilter_knuenz:::
    edm::ESHandle<MagneticField> bfield;
    es.get<IdealMagneticFieldRecord>().get(bfield);
    float nomField = bfield->nominalValue();


    if(ClusterShapeFiltering){
          if (theComparitor) theComparitor->init(ev, es);

          GlobalTrajectoryParameters pkine;
          GlobalTrajectoryParameters mkine;

          // SeedingHitSet::ConstRecHitPointer ptth1 = phits[0];  // (never used???)
          SeedingHitSet::ConstRecHitPointer ptth2 = phits[1];
          SeedingHitSet::ConstRecHitPointer mtth1 = mhits[0];
          SeedingHitSet::ConstRecHitPointer mtth2 = mhits[1];

          GlobalPoint vertexPos(candVtx.x(),candVtx.y(),candVtx.z());

          float ptMinReg=0.1;
          GlobalTrackingRegion region(ptMinReg,vertexPos,0,0,true);

          FastHelix phelix(ptth2->globalPosition(), mtth1->globalPosition(), vertexPos, nomField,&*bfield, vertexPos);
          pkine = phelix.stateAtVertex();
          FastHelix mhelix(mtth2->globalPosition(), mtth1->globalPosition(), vertexPos, nomField,&*bfield, vertexPos);
          mkine = mhelix.stateAtVertex();

          if(theComparitor&&!theComparitor->compatible(phits, pkine, phelix, region)) { return 0; }
          if(theComparitor&&!theComparitor->compatible(mhits, mkine, mhelix, region)) { return 0; }
    }


    //Do a very simple fit to estimate the slope
    double quadPhotCotTheta = 0.;
    double quadZ0 = 0.;
    simpleGetSlope(ptth2, ptth1, mtth1, mtth2, region, quadPhotCotTheta, quadZ0);

    double quadPhotPhi = (candVtx-vPhotVertex).Phi();

    math::XYZVector fittedPrimaryVertex(vgPhotVertex.x(), vgPhotVertex.y(),quadZ0);

    candVtx.SetZ(std::sqrt(candVtx.Perp2())*quadPhotCotTheta+quadZ0);
    GlobalPoint convVtxGlobalPoint(candVtx.X(),candVtx.Y(),candVtx.Z());

    //
    // Comparing new quad with old quad
    //
    //Arbitration

    Quad thisQuad;
    thisQuad.x = candVtx.X();
    thisQuad.y = candVtx.Y();
    thisQuad.z = candVtx.Z();
    thisQuad.ptPlus = candPtPlus;
    thisQuad.ptMinus = candPtMinus;
    thisQuad.cot = quadPhotCotTheta;
        if ( similarQuadExist(thisQuad, quadV) && applyArbitration ) return 0;

    // not able to get the mag field... doing the dirty way
    //
    // Plus
    FastHelix helixPlus(ptth2->globalPosition(), ptth1->globalPosition(), convVtxGlobalPoint, nomField,&*bfield, convVtxGlobalPoint);
    GlobalTrajectoryParameters kinePlus = helixPlus.stateAtVertex();
    kinePlus = GlobalTrajectoryParameters(convVtxGlobalPoint,
                      GlobalVector(candPtPlus*cos(quadPhotPhi),candPtPlus*sin(quadPhotPhi),candPtPlus*quadPhotCotTheta),
                      1,//1
                      & kinePlus.magneticField()
                      );

    //
    // Minus
    FastHelix helixMinus(mtth2->globalPosition(), mtth1->globalPosition(), convVtxGlobalPoint, nomField,&*bfield, convVtxGlobalPoint);
    GlobalTrajectoryParameters kineMinus = helixMinus.stateAtVertex();
    kineMinus = GlobalTrajectoryParameters(convVtxGlobalPoint,
                      GlobalVector(candPtMinus*cos(quadPhotPhi),candPtMinus*sin(quadPhotPhi),candPtMinus*quadPhotCotTheta),
                      -1,//-1
                      & kineMinus.magneticField()
                      );

    float sinThetaPlus = sin(kinePlus.momentum().theta());
    float sinThetaMinus = sin(kineMinus.momentum().theta());
    float ptmin = region.ptMin();
    //vertexBounds da region
    GlobalVector vertexBounds(region.originRBound(),region.originRBound(),region.originZBound());

    CurvilinearTrajectoryError errorPlus = initialError(vertexBounds, ptmin,  sinThetaPlus);
    CurvilinearTrajectoryError errorMinus = initialError(vertexBounds, ptmin,  sinThetaMinus);
    FreeTrajectoryState ftsPlus(kinePlus, errorPlus);
    FreeTrajectoryState ftsMinus(kineMinus, errorMinus);

    //FIXME: here probably you want to go in parallel with phits and mhits
    //NB: the seedCollection is filled (the important thing) the return of the last TrajectorySeed is not used, but is needed
    //to maintain the inheritance

#ifdef quadDispLine
    double vError = region.originZBound();
    if ( vError > 15. ) vError = 1.;
    std::cout << "QuadDispLine "
          << vgPhotVertex.x() << " " << vgPhotVertex.y() << " " << vgPhotVertex.z() << " " << vError << " "
          << vHit[0].x() << " " << vHit[0].y() << " " << vHit[0].z() << " " << sqrt(getSqrEffectiveErrorOnZ(ptth2, region)) << " "
          << vHit[1].x() << " " << vHit[1].y() << " " << vHit[1].z() << " " << sqrt(getSqrEffectiveErrorOnZ(ptth1, region)) << " "
          << vHit[2].x() << " " << vHit[2].y() << " " << vHit[2].z() << " " << sqrt(getSqrEffectiveErrorOnZ(mtth1, region)) << " "
          << vHit[3].x() << " " << vHit[3].y() << " " << vHit[3].z() << " " << sqrt(getSqrEffectiveErrorOnZ(mtth2, region)) << " "
          << candVtx.X() << " " << candVtx.Y() << " " << candVtx.Z() << " "
          << fittedPrimaryVertex.X() << " " << fittedPrimaryVertex.Y() << " " << fittedPrimaryVertex.Z() << " "
//        << candPtPlus  << " " << rPlus << " " << plusCenter.X() << " " << plusCenter.Y() << " "
//        << candPtMinus << " " << rMinus << " " << minusCenter.X() << " " << minusCenter.Y() << " "
          << nite << " " << chi2 << "\n";
#endif
#ifdef mydebug_sguazz
    std::cout << " >>>>> Hit quad fast reco done >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" << "\n";
    uint32_t detid;
    std::cout << "[SeedForPhotonConversionFromQuadruplets]\n ptth1 " ;
    detid=ptth1->geographicalId().rawId();
    //    po.print(std::cout , detid );
    std::cout << " \t " << detid << " " << ptth1->localPosition()  << " " << ptth1->globalPosition()    ;
    detid=ptth2->geographicalId().rawId();
    std::cout << " \n\t ptth2 ";
    //    po.print(std::cout , detid );
    std::cout << " \t " << detid << " " << ptth2->localPosition()  << " " << ptth2->globalPosition()
          << "\nhelix momentum " << kinePlus.momentum() << " pt " << kinePlus.momentum().perp() << " radius " << 1/kinePlus.transverseCurvature() << " q " << kinePlus.charge();
    std::cout << " \n\t mtth1 ";
    detid=mtth1->geographicalId().rawId();
    std::cout << " \t " << detid << " " << mtth1->localPosition()  << " " << mtth1->globalPosition()    ;
    std::cout << " \n\t mtth2 ";
    detid=mtth2->geographicalId().rawId();
    //    po.print(std::cout , detid );
    std::cout << " \t " << detid << " " << mtth2->localPosition()  << " " << mtth2->globalPosition()
          << "\nhelix momentum " << kineMinus.momentum() << " pt " << kineMinus.momentum().perp() << " radius " << 1/kineMinus.transverseCurvature() << " q " << kineMinus.charge();
    std::cout << "\n <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" << "\n";
#endif

    

    bool buildSeedBoolPos = buildSeedBool(seedCollection,phits,ftsPlus,es,applydzCAcut,region, dzcut);
    bool buildSeedBoolNeg = buildSeedBool(seedCollection,mhits,ftsMinus,es,applydzCAcut,region, dzcut);

    
    
    if( buildSeedBoolPos && buildSeedBoolNeg ){
        buildSeed(seedCollection,phits,ftsPlus,es,false,region);
        buildSeed(seedCollection,mhits,ftsMinus,es,false,region);
    }

    return 0;

}

double SeedForPhotonConversionFromQuadruplets::verySimpleFit	(	int	size,
		double *	ax,
		double *	ay,
		double *	e2y,
		double &	p0,
		double &	e2p0,
		double &	p1
	)

Definition at line 1041 of file SeedForPhotonConversionFromQuadruplets.cc.

Referenced by simpleGetSlope().

                                                                                                                                               {

  //#include "verySimpleFit.icc"
  return 0;
}

Member Data Documentation

TkClonerImpl SeedForPhotonConversionFromQuadruplets::cloner

mutableprotected

Definition at line 110 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by buildSeedBool(), and refitHit().

const int SeedForPhotonConversionFromQuadruplets::cotTheta_Max =99999

static

Definition at line 22 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by initialKinematic().

double SeedForPhotonConversionFromQuadruplets::kPI_

protected

Definition at line 107 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by DeltaPhiManual(), and trajectorySeed().

PrintRecoObjects SeedForPhotonConversionFromQuadruplets::po

protected

Definition at line 113 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by buildSeed(), and initialKinematic().

std::stringstream* SeedForPhotonConversionFromQuadruplets::pss

protected

Definition at line 112 of file SeedForPhotonConversionFromQuadruplets.h.

double SeedForPhotonConversionFromQuadruplets::theBOFFMomentum

protected

Definition at line 106 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by initialKinematic().

std::unique_ptr<SeedComparitor> SeedForPhotonConversionFromQuadruplets::theComparitor

protected

Definition at line 114 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by SeedForPhotonConversionFromQuadruplets(), and trajectorySeed().

std::string SeedForPhotonConversionFromQuadruplets::thePropagatorLabel

protected

Definition at line 105 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by buildSeed(), and buildSeedBool().