ReferenceTrajectoryFactory Class Reference

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

Inheritance diagram for ReferenceTrajectoryFactory:

Public Member Functions
virtual ReferenceTrajectoryFactory *	clone () const
	ReferenceTrajectoryFactory (const edm::ParameterSet &config)
virtual const ReferenceTrajectoryCollection	trajectories (const edm::EventSetup &setup, const ConstTrajTrackPairCollection &tracks, const reco::BeamSpot &beamSpot) const
	Produce the reference trajectories. More...
virtual const ReferenceTrajectoryCollection	trajectories (const edm::EventSetup &setup, const ConstTrajTrackPairCollection &tracks, const ExternalPredictionCollection &external, const reco::BeamSpot &beamSpot) const
virtual	~ReferenceTrajectoryFactory ()
Public Member Functions inherited from TrajectoryFactoryBase
MaterialEffects	materialEffects (void) const
PropagationDirection	propagationDirection (void) const
	TrajectoryFactoryBase (const edm::ParameterSet &config)
virtual	~TrajectoryFactoryBase (void)

Protected Attributes
double	theMass
Protected Attributes inherited from TrajectoryFactoryBase
bool	theUseBeamSpot

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
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

Detailed Description

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

Definition at line 13 of file ReferenceTrajectoryFactory.cc.

Constructor & Destructor Documentation

ReferenceTrajectoryFactory::ReferenceTrajectoryFactory

(

const edm::ParameterSet &

config

)

Definition at line 40 of file ReferenceTrajectoryFactory.cc.

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

Referenced by clone().

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

ReferenceTrajectoryFactory::~ReferenceTrajectoryFactory ( void  )

virtual

Definition at line 47 of file ReferenceTrajectoryFactory.cc.

{}

Member Function Documentation

virtual ReferenceTrajectoryFactory* ReferenceTrajectoryFactory::clone ( void  ) const

inlinevirtual

Implements TrajectoryFactoryBase.

Definition at line 29 of file ReferenceTrajectoryFactory.cc.

References ReferenceTrajectoryFactory().

{ return new ReferenceTrajectoryFactory(*this); }

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

virtual

Produce the reference trajectories.

Implements TrajectoryFactoryBase.

Definition at line 51 of file ReferenceTrajectoryFactory.cc.

References SiPixelRawToDigiRegional_cfi::beamSpot, edm::EventSetup::get(), TrajectoryFactoryBase::innermostStateAndRecHits(), LaserDQM_cfg::input, TrajectoryFactoryBase::materialEffects(), edm::ESHandle< class >::product(), TrajectoryFactoryBase::propagationDirection(), theMass, and TrajectoryFactoryBase::theUseBeamSpot.

Referenced by trajectories().

{
  ReferenceTrajectoryCollection trajectories;

  edm::ESHandle< MagneticField > magneticField;
  setup.get< IdealMagneticFieldRecord >().get( magneticField );
  
  ConstTrajTrackPairCollection::const_iterator itTracks = tracks.begin();
  
  while ( itTracks != tracks.end() )
  { 
    TrajectoryInput input = this->innermostStateAndRecHits( *itTracks );
    
    // Check input: If all hits were rejected, the TSOS is initialized as invalid.
    if ( input.first.isValid() )
    {
      // set the flag for reversing the RecHits to false, since they are already in the correct order.
      trajectories.push_back(ReferenceTrajectoryPtr(new ReferenceTrajectory(input.first, input.second, false,
                                        magneticField.product(), materialEffects(),
                                        propagationDirection(), theMass, 
                                        theUseBeamSpot, beamSpot)));
    }

    ++itTracks;
  }

  return trajectories;
}

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

virtual

Implements TrajectoryFactoryBase.

Definition at line 84 of file ReferenceTrajectoryFactory.cc.

References SiPixelRawToDigiRegional_cfi::beamSpot, edm::EventSetup::get(), TrajectoryFactoryBase::innermostStateAndRecHits(), LaserDQM_cfg::input, TrajectoryFactoryBase::materialEffects(), edm::ESHandle< class >::product(), TrajectoryFactoryBase::propagationDirection(), TrajectoryFactoryBase::sameSurface(), theMass, TrajectoryFactoryBase::theUseBeamSpot, and trajectories().

{
  ReferenceTrajectoryCollection trajectories;

  if ( tracks.size() != external.size() )
  {
    edm::LogInfo("ReferenceTrajectories") << "@SUB=ReferenceTrajectoryFactory::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() )
  {
    TrajectoryInput input = innermostStateAndRecHits( *itTracks );
    // Check input: If all hits were rejected, the TSOS is initialized as invalid.
    if ( input.first.isValid() )
    {
      if ( (*itExternal).isValid() && sameSurface( (*itExternal).surface(), input.first.surface() ) )
      {
    // set the flag for reversing the RecHits to false, since they are already in the correct order.
    ReferenceTrajectoryPtr refTraj( new ReferenceTrajectory( *itExternal, input.second, false,
                                 magneticField.product(), materialEffects(),
                                 propagationDirection(), theMass,
                                 theUseBeamSpot, beamSpot) );

    AlgebraicSymMatrix externalParamErrors( asHepMatrix<5>( (*itExternal).localError().matrix() ) );
    refTraj->setParameterErrors( externalParamErrors );

    trajectories.push_back( refTraj );
      }
      else
      {
    trajectories.push_back(ReferenceTrajectoryPtr(new ReferenceTrajectory(input.first, input.second, false,
                                          magneticField.product(), materialEffects(),
                                          propagationDirection(), theMass,
                                          theUseBeamSpot, beamSpot)));
      }
    }

    ++itTracks;
    ++itExternal;
  }

  return trajectories;
}

Member Data Documentation

double ReferenceTrajectoryFactory::theMass

protected

Definition at line 33 of file ReferenceTrajectoryFactory.cc.

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