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A factory that produces instances of class ReferenceTrajectory from a given TrajTrackPairCollection. More...
Classes | |
| struct | DualTrajectoryInput |
Public Member Functions | |
| virtual DualTrajectoryFactory * | clone () const |
| DualTrajectoryFactory (const edm::ParameterSet &config) | |
| virtual const ReferenceTrajectoryCollection | trajectories (const edm::EventSetup &setup, const ConstTrajTrackPairCollection &tracks, const ExternalPredictionCollection &external, const reco::BeamSpot &beamSpot) const |
| virtual const ReferenceTrajectoryCollection | trajectories (const edm::EventSetup &setup, const ConstTrajTrackPairCollection &tracks, const reco::BeamSpot &beamSpot) const |
| Produce the reference trajectories. | |
| virtual | ~DualTrajectoryFactory () |
Protected Member Functions | |
| const TrajectoryStateOnSurface | propagateExternal (const TrajectoryStateOnSurface &external, const Surface &surface, const MagneticField *magField) const |
| const DualTrajectoryInput | referenceStateAndRecHits (const ConstTrajTrackPair &track) const |
Protected Attributes | |
| double | theMass |
A factory that produces instances of class ReferenceTrajectory from a given TrajTrackPairCollection.
Definition at line 17 of file DualTrajectoryFactory.cc.
| DualTrajectoryFactory::DualTrajectoryFactory | ( | const edm::ParameterSet & | config | ) |
Definition at line 56 of file DualTrajectoryFactory.cc.
References edm::ParameterSet::getParameter(), and theMass.
Referenced by clone().
: TrajectoryFactoryBase( config ) { theMass = config.getParameter< double >( "ParticleMass" ); }
| DualTrajectoryFactory::~DualTrajectoryFactory | ( | void | ) | [virtual] |
Definition at line 63 of file DualTrajectoryFactory.cc.
{}
| virtual DualTrajectoryFactory* DualTrajectoryFactory::clone | ( | void | ) | const [inline, virtual] |
Implements TrajectoryFactoryBase.
Definition at line 33 of file DualTrajectoryFactory.cc.
References DualTrajectoryFactory().
{ return new DualTrajectoryFactory(*this); }
| const TrajectoryStateOnSurface DualTrajectoryFactory::propagateExternal | ( | const TrajectoryStateOnSurface & | external, |
| const Surface & | surface, | ||
| const MagneticField * | magField | ||
| ) | const [protected] |
Definition at line 221 of file DualTrajectoryFactory.cc.
References anyDirection, AnalyticalPropagator::propagateWithPath(), and LargeD0_PixelPairStep_cff::propagator.
Referenced by trajectories().
{
AnalyticalPropagator propagator( magField, anyDirection );
const std::pair< TrajectoryStateOnSurface, double > tsosWithPath =
propagator.propagateWithPath( external, surface );
return tsosWithPath.first;
}
| const DualTrajectoryFactory::DualTrajectoryInput DualTrajectoryFactory::referenceStateAndRecHits | ( | const ConstTrajTrackPair & | track | ) | const [protected] |
Definition at line 174 of file DualTrajectoryFactory.cc.
References DualTrajectoryFactory::DualTrajectoryInput::bwdRecHits, DualTrajectoryFactory::DualTrajectoryInput::fwdRecHits, collect_tpl::input, TrajectoryFactoryBase::orderedTrajectoryMeasurements(), DualTrajectoryFactory::DualTrajectoryInput::refTsos, and TrajectoryFactoryBase::useRecHit().
Referenced by trajectories().
{
DualTrajectoryInput 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 DualTrajectoryFactory::ReferenceTrajectoryCollection DualTrajectoryFactory::trajectories | ( | const edm::EventSetup & | setup, |
| const ConstTrajTrackPairCollection & | tracks, | ||
| const reco::BeamSpot & | beamSpot | ||
| ) | const [virtual] |
Produce the reference trajectories.
Implements TrajectoryFactoryBase.
Definition at line 67 of file DualTrajectoryFactory.cc.
References DualTrajectoryFactory::DualTrajectoryInput::bwdRecHits, DualTrajectoryFactory::DualTrajectoryInput::fwdRecHits, edm::EventSetup::get(), collect_tpl::input, TrajectoryStateOnSurface::isValid(), TrajectoryFactoryBase::materialEffects(), edm::ESHandle< T >::product(), TrajectoryFactoryBase::propagationDirection(), referenceStateAndRecHits(), DualTrajectoryFactory::DualTrajectoryInput::refTsos, 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() )
{
const DualTrajectoryInput input = this->referenceStateAndRecHits( *itTracks );
// Check input: If all hits were rejected, the TSOS is initialized as invalid.
if ( input.refTsos.isValid() )
{
ReferenceTrajectoryPtr ptr( new DualReferenceTrajectory( input.refTsos,
input.fwdRecHits,
input.bwdRecHits,
magneticField.product(),
materialEffects(),
propagationDirection(),
theMass,
theUseBeamSpot, beamSpot ) );
trajectories.push_back( ptr );
}
++itTracks;
}
return trajectories;
}
| const DualTrajectoryFactory::ReferenceTrajectoryCollection DualTrajectoryFactory::trajectories | ( | const edm::EventSetup & | setup, |
| const ConstTrajTrackPairCollection & | tracks, | ||
| const ExternalPredictionCollection & | external, | ||
| const reco::BeamSpot & | beamSpot | ||
| ) | const [virtual] |
Implements TrajectoryFactoryBase.
Definition at line 102 of file DualTrajectoryFactory.cc.
References DualTrajectoryFactory::DualTrajectoryInput::bwdRecHits, DualTrajectoryFactory::DualTrajectoryInput::fwdRecHits, edm::EventSetup::get(), collect_tpl::input, TrajectoryStateOnSurface::isValid(), TrajectoryStateOnSurface::localError(), TrajectoryFactoryBase::materialEffects(), LocalTrajectoryError::matrix(), edm::ESHandle< T >::product(), propagateExternal(), TrajectoryFactoryBase::propagationDirection(), referenceStateAndRecHits(), DualTrajectoryFactory::DualTrajectoryInput::refTsos, TrajectoryStateOnSurface::surface(), theMass, TrajectoryFactoryBase::theUseBeamSpot, and trajectories().
{
ReferenceTrajectoryCollection trajectories;
if ( tracks.size() != external.size() )
{
edm::LogInfo("ReferenceTrajectories") << "@SUB=DualTrajectoryFactory::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 DualTrajectoryInput 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;
// set the flag for reversing the RecHits to false, since they are already in the correct order.
ReferenceTrajectoryPtr ptr( new DualReferenceTrajectory( propExternal,
input.fwdRecHits,
input.bwdRecHits,
magneticField.product(),
materialEffects(),
propagationDirection(),
theMass,
theUseBeamSpot, beamSpot ) );
AlgebraicSymMatrix externalParamErrors( asHepMatrix<5>( propExternal.localError().matrix() ) );
ptr->setParameterErrors( externalParamErrors );
trajectories.push_back( ptr );
}
else
{
ReferenceTrajectoryPtr ptr( new DualReferenceTrajectory( input.refTsos,
input.fwdRecHits,
input.bwdRecHits,
magneticField.product(),
materialEffects(),
propagationDirection(),
theMass,
theUseBeamSpot, beamSpot ) );
trajectories.push_back( ptr );
}
}
++itTracks;
++itExternal;
}
return trajectories;
}
double DualTrajectoryFactory::theMass [protected] |
Definition at line 49 of file DualTrajectoryFactory.cc.
Referenced by DualTrajectoryFactory(), and trajectories().
1.7.3