A factory that produces instances of class ReferenceTrajectory from a given TrajTrackPairCollection. More...

Inheritance diagram for DualBzeroTrajectoryFactory:

Classes
struct	DualBzeroTrajectoryInput

Public Member Functions
virtual DualBzeroTrajectoryFactory *	clone () const override

	DualBzeroTrajectoryFactory (const edm::ParameterSet &config)

virtual const ReferenceTrajectoryCollection	trajectories (const edm::EventSetup &setup, const ConstTrajTrackPairCollection &tracks, const reco::BeamSpot &beamSpot) const override
	Produce the reference trajectories. More...

virtual const ReferenceTrajectoryCollection	trajectories (const edm::EventSetup &setup, const ConstTrajTrackPairCollection &tracks, const ExternalPredictionCollection &external, const reco::BeamSpot &beamSpot) const override

virtual	~DualBzeroTrajectoryFactory ()

Public Member Functions inherited from TrajectoryFactoryBase
const edm::ParameterSet &	configuration () const

MaterialEffects	materialEffects (void) const

PropagationDirection	propagationDirection (void) const

unsigned int	tracksPerTrajectory () const

	TrajectoryFactoryBase (const edm::ParameterSet &config)

	TrajectoryFactoryBase (const edm::ParameterSet &config, unsigned int tracksPerTrajectory)

virtual	~TrajectoryFactoryBase (void)

Protected Member Functions
const TrajectoryStateOnSurface	propagateExternal (const TrajectoryStateOnSurface &external, const Surface &surface, const MagneticField *magField) const

const DualBzeroTrajectoryInput	referenceStateAndRecHits (const ConstTrajTrackPair &track) const

Protected Member Functions inherited from TrajectoryFactoryBase
virtual const TrajectoryInput	innermostStateAndRecHits (const ConstTrajTrackPair &track) const

virtual const Trajectory::DataContainer	orderedTrajectoryMeasurements (const Trajectory &trajectory) const

bool	sameSurface (const Surface &s1, const Surface &s2) const

bool	useRecHit (const TransientTrackingRecHit::ConstRecHitPointer &hitPtr) const

Protected Attributes
double	theMass

double	theMomentumEstimate

Protected Attributes inherited from TrajectoryFactoryBase
const bool	allowZeroMaterial_

const bool	includeAPEs_

const bool	useBeamSpot_

Additional Inherited Members
Public Types inherited from TrajectoryFactoryBase
typedef AlignmentAlgorithmBase::ConstTrajTrackPair	ConstTrajTrackPair

typedef AlignmentAlgorithmBase::ConstTrajTrackPairCollection	ConstTrajTrackPairCollection

typedef std::vector< TrajectoryStateOnSurface >	ExternalPredictionCollection

typedef ReferenceTrajectoryBase::MaterialEffects	MaterialEffects

typedef std::vector< ReferenceTrajectoryPtr >	ReferenceTrajectoryCollection

typedef ReferenceTrajectoryBase::ReferenceTrajectoryPtr	ReferenceTrajectoryPtr

typedef std::pair< TrajectoryStateOnSurface, TransientTrackingRecHit::ConstRecHitContainer >	TrajectoryInput

Detailed Description

A factory that produces instances of class ReferenceTrajectory from a given TrajTrackPairCollection.

Definition at line 18 of file DualBzeroTrajectoryFactory.cc.

Constructor & Destructor Documentation

DualBzeroTrajectoryFactory::DualBzeroTrajectoryFactory ( const edm::ParameterSet & config )

Definition at line 59 of file DualBzeroTrajectoryFactory.cc.

References edm::ParameterSet::getParameter(), theMass, and theMomentumEstimate.

Referenced by clone().

                                                                                        :
   TrajectoryFactoryBase( config )
 {
   theMass = config.getParameter< double >( "ParticleMass" );
   theMomentumEstimate = config.getParameter< double >( "MomentumEstimate" );
 }

DualBzeroTrajectoryFactory::~DualBzeroTrajectoryFactory ( void )

virtual

Definition at line 67 of file DualBzeroTrajectoryFactory.cc.

67 {}

Member Function Documentation

virtual DualBzeroTrajectoryFactory* DualBzeroTrajectoryFactory::clone ( void ) const

inlineoverridevirtual

Implements TrajectoryFactoryBase.

Definition at line 34 of file DualBzeroTrajectoryFactory.cc.

References DualBzeroTrajectoryFactory().

34 { return new DualBzeroTrajectoryFactory(*this); }

DualBzeroTrajectoryFactory::DualBzeroTrajectoryFactory

DualBzeroTrajectoryFactory(const edm::ParameterSet &config)

Definition: DualBzeroTrajectoryFactory.cc:59

const TrajectoryStateOnSurface DualBzeroTrajectoryFactory::propagateExternal	(	const TrajectoryStateOnSurface &	external,
		const Surface &	surface,
		const MagneticField *	magField
	)		const

protected

Definition at line 234 of file DualBzeroTrajectoryFactory.cc.

References anyDirection, DEFINE_EDM_PLUGIN, AnalyticalPropagator::propagateWithPath(), and PhotonConversionTrajectorySeedProducerFromQuadruplets_cfi::propagator.

Referenced by trajectories().

 {
   AnalyticalPropagator propagator( magField, anyDirection );
   const std::pair< TrajectoryStateOnSurface, double > tsosWithPath =
     propagator.propagateWithPath( external, surface );
   return tsosWithPath.first;
 }

const DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput DualBzeroTrajectoryFactory::referenceStateAndRecHits ( const ConstTrajTrackPair & track ) const

protected

Definition at line 187 of file DualBzeroTrajectoryFactory.cc.

References DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::bwdRecHits, DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::fwdRecHits, input, TrajectoryFactoryBase::orderedTrajectoryMeasurements(), DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::refTsos, groupFilesInBlocks::reverse, and TrajectoryFactoryBase::useRecHit().

Referenced by trajectories().

 {
   DualBzeroTrajectoryInput input;
  
   // get the trajectory measurements in the correct order, i.e. reverse if needed
   Trajectory::DataContainer allTrajMeas = this->orderedTrajectoryMeasurements( *track.first );
   Trajectory::DataContainer usedTrajMeas;
   Trajectory::DataContainer::iterator itM;
   // get all relevant trajectory measurements
   for ( itM = allTrajMeas.begin(); itM != allTrajMeas.end(); itM++ )
   {
     if ( useRecHit( ( *itM ).recHit() ) ) usedTrajMeas.push_back( *itM );
   }
 
   unsigned int iMeas = 0;
   unsigned int nMeas = usedTrajMeas.size();
   unsigned int nRefStateMeas = nMeas/2;
   // get the valid RecHits
   for ( itM = usedTrajMeas.begin(); itM != usedTrajMeas.end(); itM++, iMeas++ )
   {
     TransientTrackingRecHit::ConstRecHitPointer aRecHit = ( *itM ).recHit();
 
     if ( iMeas < nRefStateMeas ) {
       input.bwdRecHits.push_back( aRecHit );
     } else if ( iMeas > nRefStateMeas ) {
       input.fwdRecHits.push_back( aRecHit );
     } else { // iMeas == nRefStateMeas
       if ( ( *itM ).updatedState().isValid() )
       {
     input.refTsos = ( *itM ).updatedState();
     input.bwdRecHits.push_back( aRecHit );
     input.fwdRecHits.push_back( aRecHit );
       } else {
     // if the tsos of the middle hit is not valid, try the next one ...
     nRefStateMeas++;
     input.bwdRecHits.push_back( aRecHit );
       }
     }
   }
 
   // bring input.fwdRecHits into correct order
   std::reverse( input.bwdRecHits.begin(), input.bwdRecHits.end() );
 
   return input;
 }

const DualBzeroTrajectoryFactory::ReferenceTrajectoryCollection DualBzeroTrajectoryFactory::trajectories	(	const edm::EventSetup &	setup,
		const ConstTrajTrackPairCollection &	tracks,
		const reco::BeamSpot &	beamSpot
	)		const

overridevirtual

Produce the reference trajectories.

Implements TrajectoryFactoryBase.

Definition at line 71 of file DualBzeroTrajectoryFactory.cc.

References ReferenceTrajectoryBase::Config::allowZeroMaterial, TrajectoryFactoryBase::allowZeroMaterial_, ecalDrivenElectronSeedsParameters_cff::beamSpot, DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::bwdRecHits, mps_alisetup::config, DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::fwdRecHits, edm::EventSetup::get(), ReferenceTrajectoryBase::Config::includeAPEs, TrajectoryFactoryBase::includeAPEs_, input, TrajectoryStateOnSurface::isValid(), DetachedQuadStep_cff::magneticField, TrajectoryFactoryBase::materialEffects(), edm::ESHandle< T >::product(), TrajectoryFactoryBase::propagationDirection(), referenceStateAndRecHits(), DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::refTsos, theMass, theMomentumEstimate, ReferenceTrajectoryBase::Config::useBeamSpot, and TrajectoryFactoryBase::useBeamSpot_.

Referenced by trajectories().

 {
   ReferenceTrajectoryCollection trajectories;
 
   edm::ESHandle< MagneticField > magneticField;
   setup.get< IdealMagneticFieldRecord >().get( magneticField );
 
   ConstTrajTrackPairCollection::const_iterator itTracks = tracks.begin();
 
   while ( itTracks != tracks.end() )
   { 
     const DualBzeroTrajectoryInput input = this->referenceStateAndRecHits( *itTracks );
     // Check input: If all hits were rejected, the TSOS is initialized as invalid.
     if ( input.refTsos.isValid() )
     {
       ReferenceTrajectoryBase::Config config(materialEffects(), propagationDirection(),
                                              theMass, theMomentumEstimate);
       config.useBeamSpot = useBeamSpot_;
       config.includeAPEs = includeAPEs_;
       config.allowZeroMaterial = allowZeroMaterial_;
       ReferenceTrajectoryPtr ptr(new DualBzeroReferenceTrajectory(input.refTsos,
                                                                   input.fwdRecHits,
                                                                   input.bwdRecHits,
                                                                   magneticField.product(),
                                                                   beamSpot,
                                                                   config));
       trajectories.push_back( ptr );
     }
 
     ++itTracks;
   }
 
   return trajectories;
 }

const DualBzeroTrajectoryFactory::ReferenceTrajectoryCollection DualBzeroTrajectoryFactory::trajectories	(	const edm::EventSetup &	setup,
		const ConstTrajTrackPairCollection &	tracks,
		const ExternalPredictionCollection &	external,
		const reco::BeamSpot &	beamSpot
	)		const

overridevirtual

Implements TrajectoryFactoryBase.

Definition at line 109 of file DualBzeroTrajectoryFactory.cc.

References ReferenceTrajectoryBase::Config::allowZeroMaterial, TrajectoryFactoryBase::allowZeroMaterial_, ecalDrivenElectronSeedsParameters_cff::beamSpot, DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::bwdRecHits, mps_alisetup::config, DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::fwdRecHits, edm::EventSetup::get(), ReferenceTrajectoryBase::Config::includeAPEs, TrajectoryFactoryBase::includeAPEs_, input, TrajectoryStateOnSurface::isValid(), TrajectoryStateOnSurface::localError(), DetachedQuadStep_cff::magneticField, TrajectoryFactoryBase::materialEffects(), LocalTrajectoryError::matrix(), edm::ESHandle< T >::product(), propagateExternal(), TrajectoryFactoryBase::propagationDirection(), referenceStateAndRecHits(), DualBzeroTrajectoryFactory::DualBzeroTrajectoryInput::refTsos, TrajectoryStateOnSurface::surface(), theMass, theMomentumEstimate, trajectories(), ReferenceTrajectoryBase::Config::useBeamSpot, and TrajectoryFactoryBase::useBeamSpot_.

 {
   ReferenceTrajectoryCollection trajectories;
 
   if ( tracks.size() != external.size() )
   {
     edm::LogInfo("ReferenceTrajectories") << "@SUB=DualBzeroTrajectoryFactory::trajectories"
                       << "Inconsistent input:\n"
                       << "\tnumber of tracks = " << tracks.size()
                       << "\tnumber of external predictions = " << external.size();
     return trajectories;
   }
 
   edm::ESHandle< MagneticField > magneticField;
   setup.get< IdealMagneticFieldRecord >().get( magneticField );
 
   ConstTrajTrackPairCollection::const_iterator itTracks = tracks.begin();
   ExternalPredictionCollection::const_iterator itExternal = external.begin();
 
   while ( itTracks != tracks.end() )
   {
     const DualBzeroTrajectoryInput input = referenceStateAndRecHits( *itTracks );
     // Check input: If all hits were rejected, the TSOS is initialized as invalid.
     if ( input.refTsos.isValid() )
     {
       if ( (*itExternal).isValid() )
       {
     TrajectoryStateOnSurface propExternal =
       propagateExternal( *itExternal, input.refTsos.surface(), magneticField.product() );
 
     if ( !propExternal.isValid() ) continue;
 
         ReferenceTrajectoryBase::Config config(materialEffects(), propagationDirection(),
                                                theMass, theMomentumEstimate);
         config.useBeamSpot = useBeamSpot_;
         config.includeAPEs = includeAPEs_;
         config.allowZeroMaterial = allowZeroMaterial_;
         ReferenceTrajectoryPtr ptr(new DualBzeroReferenceTrajectory(propExternal,
                                                                     input.fwdRecHits,
                                                                     input.bwdRecHits,
                                                                     magneticField.product(),
                                                                     beamSpot,
                                                                     config));
 
     AlgebraicSymMatrix externalParamErrors( asHepMatrix<5>( propExternal.localError().matrix() ) );
     ptr->setParameterErrors( externalParamErrors.sub( 2, 5 ) );
     trajectories.push_back( ptr );
       }
       else
       {
         ReferenceTrajectoryBase::Config config(materialEffects(), propagationDirection(),
                                                theMass, theMomentumEstimate);
         config.useBeamSpot = useBeamSpot_;
         config.includeAPEs = includeAPEs_;
         config.allowZeroMaterial = allowZeroMaterial_;
         ReferenceTrajectoryPtr ptr(new DualBzeroReferenceTrajectory(input.refTsos,
                                                                     input.fwdRecHits,
                                                                     input.bwdRecHits,
                                                                     magneticField.product(),
                                                                     beamSpot,
                                                                     config));
 
     trajectories.push_back( ptr );
       }
     }
 
     ++itTracks;
     ++itExternal;
   }
 
   return trajectories;
 }

Member Data Documentation

double DualBzeroTrajectoryFactory::theMass

protected

Definition at line 50 of file DualBzeroTrajectoryFactory.cc.

Referenced by twikiExport.Constituent::__str__(), DualBzeroTrajectoryFactory(), and trajectories().

double DualBzeroTrajectoryFactory::theMomentumEstimate

protected

Definition at line 51 of file DualBzeroTrajectoryFactory.cc.

Referenced by DualBzeroTrajectoryFactory(), and trajectories().

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation