#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 (const char s, GlobalPoint d)

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

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

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

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() [1/2]

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

Definition at line 39 of file SeedForPhotonConversionFromQuadruplets.cc.

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

◆ SeedForPhotonConversionFromQuadruplets() [2/2]

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

Definition at line 47 of file SeedForPhotonConversionFromQuadruplets.cc.

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

References get, HLT_FULL_cff::SeedComparitorPSet, AlCaHLTBitMon_QueryRunRegistry::string, and theComparitor.

◆ ~SeedForPhotonConversionFromQuadruplets()

SeedForPhotonConversionFromQuadruplets::~SeedForPhotonConversionFromQuadruplets ( )

Definition at line 59 of file SeedForPhotonConversionFromQuadruplets.cc.

59 {}

Member Function Documentation

◆ bubbleReverseSortVsPhi()

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

Definition at line 965 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                              {
   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;
       }
     }
   }
 }

References barePhi(), reco::deltaPhi(), mps_fire::i, dqmiolumiharvest::j, dqmiodumpmetadata::n, createJobs::tmp, and extraflags_cff::vtx.

◆ bubbleSortVsPhi()

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

Definition at line 947 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                       {
   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;
       }
     }
   }
 }

References barePhi(), reco::deltaPhi(), mps_fire::i, dqmiolumiharvest::j, dqmiodumpmetadata::n, createJobs::tmp, and extraflags_cff::vtx.

◆ buildSeed()

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 693 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                             {
   // 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 = nullptr;
   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();
 }

References alongMomentum, edm::EventSetup::get(), get, hfClusterShapes_cfi::hits, BaseTrackerRecHit::localPosition(), trajectoryStateTransform::persistentState(), po, PrintRecoObjects::print(), TrackCandidateProducer_cfi::propagator, edm::OwnVector< T, P >::push_back(), refitHit(), ElectronSeedTrackRefFix_cfi::seedCollection, thePropagatorLabel, PbPb_ZMuSkimMuonDPG_cff::tracker, and HLT_FULL_cff::updator.

Referenced by trajectorySeed().

◆ buildSeedBool()

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 749 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                {
   // 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 = nullptr;
   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;
 }

References checkHit(), TrackingRecHit::clone(), gather_cfg::cout, MillePedeFileConverter_cfg::e, edm::EventSetup::get(), get, TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), BaseTrackerRecHit::hit(), hfClusterShapes_cfi::hits, mps_fire::i, TrajectoryStateClosestToBeamLine::isValid(), TrajectoryStateOnSurface::isValid(), dqmiolumiharvest::j, FreeTrajectoryState::position(), TrackCandidateProducer_cfi::propagator, edm::OwnVector< T, P >::push_back(), refitHit(), HLT_FULL_cff::region, mathSSE::sqrt(), thePropagatorLabel, PbPb_ZMuSkimMuonDPG_cff::tracker, TrajectoryStateClosestToBeamLine::trackStateAtPCA(), reco::BeamSpot::Unknown, HLT_FULL_cff::updator, findQualityFiles::v, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by trajectorySeed().

◆ checkHit()

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

inlineprotected

Definition at line 68 of file SeedForPhotonConversionFromQuadruplets.h.

                                                {
     return true;
   }

Referenced by buildSeedBool().

◆ DeltaPhiManual()

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

protected

Definition at line 1073 of file SeedForPhotonConversionFromQuadruplets.cc.

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

References kPI_.

Referenced by trajectorySeed().

◆ getSqrEffectiveErrorOnZ()

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

Definition at line 1031 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                      {
   //
   //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()));
 }

References HLT_FULL_cff::region, sqr(), and hit::z.

Referenced by simpleGetSlope(), and trajectorySeed().

◆ initialError()

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

protected

Definition at line 670 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                       {
   // 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);
 }

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

Referenced by trajectorySeed().

◆ initialKinematic()

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

protected

Definition at line 619 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                                 {
   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;
 }

References GlobalTrajectoryParameters::charge(), cotTheta_Max, edm::EventSetup::get(), get, hfClusterShapes_cfi::hits, GlobalTrajectoryParameters::magneticField(), GlobalTrajectoryParameters::momentum(), MagneticField::nominalValue(), 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().

◆ refitHit()

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

protected

Definition at line 905 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                       {
   //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));
 }

References cloner.

Referenced by buildSeed(), and buildSeedBool().

◆ similarQuadExist()

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

protected

Definition at line 1042 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                     {
   for (auto const& 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;
 }

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

Referenced by trajectorySeed().

◆ simpleGetSlope()

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 983 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                           {
   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;
 }

References hltPixelTracks_cff::chi2, getSqrEffectiveErrorOnZ(), HLT_FULL_cff::region, sqr(), verySimpleFit(), x, y, and HLTMuonOfflineAnalyzer_cfi::z0.

Referenced by trajectorySeed().

◆ stupidPrint() [1/4]

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

Definition at line 933 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                       {
   (*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() << " | ";
 }

References ztail::d, mps_fire::i, and alignCSCRings::s.

◆ stupidPrint() [2/4]

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

Definition at line 939 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                              {
   (*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";
 }

References ztail::d, mps_fire::i, dqmiodumpmetadata::n, and alignCSCRings::s.

◆ stupidPrint() [3/4]

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

Definition at line 927 of file SeedForPhotonConversionFromQuadruplets.cc.

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

References ztail::d, mps_fire::i, and alignCSCRings::s.

◆ stupidPrint() [4/4]

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

Definition at line 921 of file SeedForPhotonConversionFromQuadruplets.cc.

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

References ztail::d, mps_fire::i, and alignCSCRings::s.

◆ trajectorySeed()

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 61 of file SeedForPhotonConversionFromQuadruplets.cc.

                                                                                                            {
  
   bool rejectAllQuads = QuadCutPSet.getParameter<bool>("rejectAllQuads");
   if (rejectAllQuads)
     return nullptr;
  
   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 nullptr;
   if (mhits.size() < 2)
     return nullptr;
  
     //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
   const 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 nullptr;
   }
  
   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 nullptr;
       }
  
     }  //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 nullptr;
       }
  
       //Using the lazy solution for P2: DeltaPhiMaxP2=DeltaPhiMaxM2
       double DeltaPhiManualP1P2 = DeltaPhiManual(P1, P2);
       if (DeltaPhiManualP1P2 > DeltaPhiMaxM2 + tol_DeltaPhiMaxM2 || DeltaPhiManualP1P2 < 0 - tol_DeltaPhiMaxM2) {
         return nullptr;
       }
     }
   }
  
   //  }
  
   //  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 nullptr;
  
     //  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 nullptr;
   if (candPtMinus < minLegPt)
     return nullptr;
   //
   if (candPtPlus > maxLegPt)
     return nullptr;
   if (candPtMinus > maxLegPt)
     return nullptr;
   //
   // 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 nullptr;
   if (h3.Perp2() > maxr2)
     return nullptr;
  
   // 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)) {
       return nullptr;
     }
     if (theComparitor && !theComparitor->compatible(mhits, mkine, mhelix)) {
       return nullptr;
     }
   }
  
   //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 nullptr;
  
   // 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
  
   // 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();
  
   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 nullptr;
 }

References funct::abs(), TtFullHadDaughter::B, buildSeed(), buildSeedBool(), gen::C, hltPixelTracks_cff::chi2, cloner, Conv4HitsReco2::ConversionCandidate(), funct::cos(), gather_cfg::cout, ztail::d, DeltaPhiManual(), Conv4HitsReco2::Dump(), ev, edm::EventSetup::get(), get, getSqrEffectiveErrorOnZ(), initialError(), MagneticField::inTesla(), listHistos::IP, dqmdumpme::k, kPI_, MagneticField::nominalValue(), VtxSmearedParameters_cfi::Phi, phits, edm::ESHandle< T >::product(), ptmin, PhotonConversionTrajectorySeedProducerFromQuadruplets_cfi::QuadCutPSet, HLT_FULL_cff::region, PhotonConversionTrajectorySeedProducerFromQuadruplets_cfi::rejectAllQuads, photonAnalyzer_cfi::rMax, ElectronSeedTrackRefFix_cfi::seedCollection, Conv4HitsReco2::SetMaxNumberOfIterations(), similarQuadExist(), simpleGetSlope(), funct::sin(), SeedingHitSet::size(), mathSSE::sqrt(), contentValuesCheck::ss, theComparitor, duplicaterechits_cfi::TTRHBuilder, Quad::x, x, PV3DBase< T, PVType, FrameType >::x(), y, PV3DBase< T, PVType, FrameType >::y(), z, and PV3DBase< T, PVType, FrameType >::z().

◆ verySimpleFit()

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

Definition at line 1025 of file SeedForPhotonConversionFromQuadruplets.cc.

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

Referenced by simpleGetSlope().

Member Data Documentation

◆ cloner

TkClonerImpl SeedForPhotonConversionFromQuadruplets::cloner

protected

Definition at line 109 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by refitHit(), and trajectorySeed().

◆ cotTheta_Max

const int SeedForPhotonConversionFromQuadruplets::cotTheta_Max = 99999

static

Definition at line 22 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by initialKinematic().

◆ kPI_

double SeedForPhotonConversionFromQuadruplets::kPI_

protected

Definition at line 106 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by DeltaPhiManual(), and trajectorySeed().

◆ po

PrintRecoObjects SeedForPhotonConversionFromQuadruplets::po

protected

Definition at line 112 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by buildSeed(), and initialKinematic().

◆ pss

std::stringstream* SeedForPhotonConversionFromQuadruplets::pss

protected

Definition at line 111 of file SeedForPhotonConversionFromQuadruplets.h.

◆ theBOFFMomentum

double SeedForPhotonConversionFromQuadruplets::theBOFFMomentum

protected

Definition at line 105 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by initialKinematic().

◆ theComparitor

std::unique_ptr<SeedComparitor> SeedForPhotonConversionFromQuadruplets::theComparitor

protected

Definition at line 113 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by SeedForPhotonConversionFromQuadruplets(), and trajectorySeed().

◆ thePropagatorLabel

std::string SeedForPhotonConversionFromQuadruplets::thePropagatorLabel

protected

Definition at line 104 of file SeedForPhotonConversionFromQuadruplets.h.

Referenced by buildSeed(), and buildSeedBool().

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ SeedForPhotonConversionFromQuadruplets() [1/2]

◆ SeedForPhotonConversionFromQuadruplets() [2/2]

◆ ~SeedForPhotonConversionFromQuadruplets()

Member Function Documentation

◆ bubbleReverseSortVsPhi()

◆ bubbleSortVsPhi()

◆ buildSeed()

◆ buildSeedBool()

◆ checkHit()

◆ DeltaPhiManual()

◆ getSqrEffectiveErrorOnZ()

◆ initialError()

◆ initialKinematic()

◆ refitHit()

◆ similarQuadExist()

◆ simpleGetSlope()

◆ stupidPrint() [1/4]

◆ stupidPrint() [2/4]

◆ stupidPrint() [3/4]

◆ stupidPrint() [4/4]

◆ trajectorySeed()

◆ verySimpleFit()

Member Data Documentation

◆ cloner

◆ cotTheta_Max

◆ kPI_

◆ po

◆ pss

◆ theBOFFMomentum

◆ theComparitor

◆ thePropagatorLabel