#include <CkfTrajectoryBuilder.h>

Inheritance diagram for CkfTrajectoryBuilder:

Public Types
typedef std::vector < TempTrajectory >	TempTrajectoryContainer

typedef std::vector< Trajectory >	TrajectoryContainer

Public Types inherited from BaseCkfTrajectoryBuilder
typedef std::vector < TempTrajectory >	TempTrajectoryContainer

typedef std::vector< Trajectory >	TrajectoryContainer

typedef TrajectoryContainer::iterator	TrajectoryIterator

Public Types inherited from TrajectoryBuilder
typedef std::vector< Trajectory >	TrajectoryContainer

typedef TrajectoryContainer::iterator	TrajectoryIterator

Public Member Functions
TempTrajectory	buildTrajectories (const TrajectorySeed &, TrajectoryContainer &ret, const TrajectoryFilter *) const

	CkfTrajectoryBuilder (const edm::ParameterSet &conf, const TrajectoryStateUpdator updator, const Propagator propagatorAlong, const Propagator propagatorOpposite, const Chi2MeasurementEstimatorBase estimator, const TransientTrackingRecHitBuilder recHitBuilder, const TrajectoryFilter filter)

virtual CkfTrajectoryBuilder *	clone (const MeasurementTrackerEvent *data) const

void	rebuildTrajectories (TempTrajectory const &startingTraj, const TrajectorySeed &, TrajectoryContainer &result) const

virtual TrajectoryContainer	trajectories (const TrajectorySeed &seed) const
	trajectories building starting from a seed More...

virtual void	trajectories (const TrajectorySeed &seed, TrajectoryContainer &ret) const
	trajectories building starting from a seed More...

	~CkfTrajectoryBuilder ()

Public Member Functions inherited from BaseCkfTrajectoryBuilder
	BaseCkfTrajectoryBuilder (const edm::ParameterSet &conf, const TrajectoryStateUpdator updator, const Propagator propagatorAlong, const Propagator propagatorOpposite, const Chi2MeasurementEstimatorBase estimator, const TransientTrackingRecHitBuilder RecHitBuilder, const TrajectoryFilter filter, const TrajectoryFilter *inOutFilter=0)

	BaseCkfTrajectoryBuilder (const BaseCkfTrajectoryBuilder &other)=default

virtual void	setDebugger (CkfDebugger *dbg) const

virtual void	setEvent (const edm::Event &event) const

virtual void	unset () const

virtual	~BaseCkfTrajectoryBuilder ()

Public Member Functions inherited from TrajectoryBuilder
virtual void	rebuildSeedingRegion (const TrajectorySeed &, TrajectoryContainer &result) const

virtual	~TrajectoryBuilder ()

Protected Member Functions
virtual void	findCompatibleMeasurements (const TrajectorySeed &seed, const TempTrajectory &traj, std::vector< TrajectoryMeasurement > &result) const

void	limitedCandidates (const TrajectorySeed &seed, TempTrajectory &startingTraj, TrajectoryContainer &result) const

void	limitedCandidates (const boost::shared_ptr< const TrajectorySeed > &sharedSeed, TempTrajectoryContainer &candidates, TrajectoryContainer &result) const

void	updateTrajectory (TempTrajectory &traj, const TM &tm) const

Protected Member Functions inherited from BaseCkfTrajectoryBuilder
void	addToResult (boost::shared_ptr< const TrajectorySeed > const &seed, TempTrajectory &traj, TrajectoryContainer &result, bool inOut=false) const

void	addToResult (TempTrajectory const &traj, TempTrajectoryContainer &result, bool inOut=false) const

virtual bool	analyzeMeasurementsDebugger (Trajectory &traj, const std::vector< TrajectoryMeasurement > &meas, const MeasurementTrackerEvent theMeasurementTracker, const Propagator theForwardPropagator, const Chi2MeasurementEstimatorBase theEstimator, const TransientTrackingRecHitBuilder theTTRHBuilder) const

virtual bool	analyzeMeasurementsDebugger (TempTrajectory &traj, const std::vector< TrajectoryMeasurement > &meas, const MeasurementTrackerEvent theMeasurementTracker, const Propagator theForwardPropagator, const Chi2MeasurementEstimatorBase theEstimator, const TransientTrackingRecHitBuilder theTTRHBuilder) const

TempTrajectory	createStartingTrajectory (const TrajectorySeed &seed) const

virtual void	fillSeedHistoDebugger (std::vector< TrajectoryMeasurement >::iterator begin, std::vector< TrajectoryMeasurement >::iterator end) const

StateAndLayers	findStateAndLayers (const TrajectorySeed &seed, const TempTrajectory &traj) const

StateAndLayers	findStateAndLayers (const TempTrajectory &traj) const

void	moveToResult (TempTrajectory &&traj, TempTrajectoryContainer &result, bool inOut=false) const

bool	qualityFilter (const TempTrajectory &traj, bool inOut=false) const

void	setData (const MeasurementTrackerEvent *data)

bool	toBeContinued (TempTrajectory &traj, bool inOut=false) const

Protected Attributes
bool	theAlwaysUseInvalidHits

bool	theIntermediateCleaning

float	theLostHitPenalty

int	theMaxCand
	set Event for the internal MeasurementTracker data member More...

Protected Attributes inherited from BaseCkfTrajectoryBuilder
const Propagator *	theBackwardPropagator

const Chi2MeasurementEstimatorBase *	theEstimator

const Propagator *	theForwardPropagator

const MeasurementTrackerEvent *	theMeasurementTracker

const Propagator *	thePropagatorAlong

const Propagator *	thePropagatorOpposite

const TransientTrackingRecHitBuilder *	theTTRHBuilder

const TrajectoryStateUpdator *	theUpdator

Additional Inherited Members
Protected Types inherited from BaseCkfTrajectoryBuilder
typedef FreeTrajectoryState	FTS

typedef std::pair< TSOS, std::vector< const DetLayer * > >	StateAndLayers

typedef TrajectoryMeasurement	TM

typedef TrajectoryStateOnSurface	TSOS

Detailed Description

Definition at line 34 of file CkfTrajectoryBuilder.h.

Member Typedef Documentation

typedef std::vector<TempTrajectory> CkfTrajectoryBuilder::TempTrajectoryContainer

Definition at line 39 of file CkfTrajectoryBuilder.h.

typedef std::vector<Trajectory> CkfTrajectoryBuilder::TrajectoryContainer

Definition at line 38 of file CkfTrajectoryBuilder.h.

Constructor & Destructor Documentation

CkfTrajectoryBuilder::CkfTrajectoryBuilder	(	const edm::ParameterSet &	conf,
		const TrajectoryStateUpdator *	updator,
		const Propagator *	propagatorAlong,
		const Propagator *	propagatorOpposite,
		const Chi2MeasurementEstimatorBase *	estimator,
		const TransientTrackingRecHitBuilder *	recHitBuilder,
		const TrajectoryFilter *	filter
	)

Definition at line 32 of file CkfTrajectoryBuilder.cc.

References edm::ParameterSet::getParameter(), theAlwaysUseInvalidHits, theIntermediateCleaning, theLostHitPenalty, and theMaxCand.

Referenced by clone().

                                                             :
 
     BaseCkfTrajectoryBuilder(conf,
                  updator, propagatorAlong,propagatorOpposite,
                  estimator, recHitBuilder, filter)
 {
   theMaxCand              = conf.getParameter<int>("maxCand");
   theLostHitPenalty       = conf.getParameter<double>("lostHitPenalty");
   theIntermediateCleaning = conf.getParameter<bool>("intermediateCleaning");
   theAlwaysUseInvalidHits = conf.getParameter<bool>("alwaysUseInvalidHits");
   /*
     theSharedSeedCheck = conf.getParameter<bool>("SharedSeedCheck");
     std::stringstream ss;
     ss<<"CkfTrajectoryBuilder_"<<conf.getParameter<std::string>("ComponentName")<<"_"<<this;
     theUniqueName = ss.str();
     LogDebug("CkfPattern")<<"my unique name is: "<<theUniqueName;
   */
 }

CkfTrajectoryBuilder::~CkfTrajectoryBuilder ( )

inline

Definition at line 49 of file CkfTrajectoryBuilder.h.

49 {}

Member Function Documentation

TempTrajectory CkfTrajectoryBuilder::buildTrajectories	(	const TrajectorySeed &	seed,
		TrajectoryContainer &	ret,
		const TrajectoryFilter *
	)		const

virtual

limitedCandidates( startingTraj, regionalCondition, result); FIXME: restore regionalCondition

Reimplemented from BaseCkfTrajectoryBuilder.

Definition at line 151 of file CkfTrajectoryBuilder.cc.

References BaseCkfTrajectoryBuilder::createStartingTrajectory(), edm::hlt::Exception, limitedCandidates(), and BaseCkfTrajectoryBuilder::theMeasurementTracker.

Referenced by trajectories().

                                                            {
   if (theMeasurementTracker == 0) {
       throw cms::Exception("LogicError") << "Asking to create trajectories to an un-initialized CkfTrajectoryBuilder.\nYou have to call clone(const MeasurementTrackerEvent *data) and then call trajectories on it instead.\n";
   }
  
   TempTrajectory startingTraj = createStartingTrajectory( seed );
   
   limitedCandidates(seed, startingTraj, result);
   
   return startingTraj;
 
   /*
   //and remember what you just did
   if (theSharedSeedCheck)  rememberSeedAndTrajectories(seed,result);
   */
   
   // analyseResult(result);
 }

virtual CkfTrajectoryBuilder* CkfTrajectoryBuilder::clone ( const MeasurementTrackerEvent * data ) const

inlinevirtual

Implements BaseCkfTrajectoryBuilder.

Reimplemented in MuonCkfTrajectoryBuilder.

Definition at line 52 of file CkfTrajectoryBuilder.h.

References CkfTrajectoryBuilder(), run_regression::ret, and BaseCkfTrajectoryBuilder::setData().

                                                                                   {
     CkfTrajectoryBuilder *ret = new CkfTrajectoryBuilder(*this);
     ret->setData(data);
     return ret;
   }

void CkfTrajectoryBuilder::findCompatibleMeasurements	(	const TrajectorySeed &	seed,
		const TempTrajectory &	traj,
		std::vector< TrajectoryMeasurement > &	result
	)		const

protectedvirtual

Reimplemented in MuonCkfTrajectoryBuilder.

Definition at line 273 of file CkfTrajectoryBuilder.cc.

References PrintoutHelper::dumpMeasurements(), TransverseImpactPointExtrapolator::extrapolate(), BaseCkfTrajectoryBuilder::findStateAndLayers(), i, TrajectoryStateOnSurface::isValid(), TempTrajectory::lastLayer(), LogDebug, MeasurementTrackerEvent::measurementTracker(), python.multivaluedict::sort(), BaseCkfTrajectoryBuilder::theEstimator, BaseCkfTrajectoryBuilder::theForwardPropagator, BaseCkfTrajectoryBuilder::theMeasurementTracker, and tmp.

Referenced by limitedCandidates().

 {
   int invalidHits = 0;
   std::pair<TSOS,std::vector<const DetLayer*> > stateAndLayers = findStateAndLayers(traj);
   if (stateAndLayers.second.empty()) return;
 
   vector<const DetLayer*>::iterator layerBegin = stateAndLayers.second.begin();
   vector<const DetLayer*>::iterator layerEnd  = stateAndLayers.second.end();
   LogDebug("CkfPattern")<<"looping on "<< stateAndLayers.second.size()<<" layers.";
   for (vector<const DetLayer*>::iterator il = layerBegin; 
        il != layerEnd; il++) {
 
     LogDebug("CkfPattern")<<"looping on a layer in findCompatibleMeasurements.\n last layer: "<<traj.lastLayer()<<" current layer: "<<(*il);
 
     TSOS stateToUse = stateAndLayers.first;
     if ((*il)==traj.lastLayer())
       {
     LogDebug("CkfPattern")<<" self propagating in findCompatibleMeasurements.\n from: \n"<<stateToUse;
     //self navigation case
     // go to a middle point first
     TransverseImpactPointExtrapolator middle;
     GlobalPoint center(0,0,0);
     stateToUse = middle.extrapolate(stateToUse, center, *theForwardPropagator);
     
     if (!stateToUse.isValid()) continue;
     LogDebug("CkfPattern")<<"to: "<<stateToUse;
       }
     
     LayerMeasurements layerMeasurements(theMeasurementTracker->measurementTracker(), *theMeasurementTracker);
     vector<TrajectoryMeasurement> tmp = layerMeasurements.measurements((**il),stateToUse, *theForwardPropagator, *theEstimator);
     
     if ( !tmp.empty()) {
       if ( result.empty()) result = tmp;
       else {
     // keep one dummy TM at the end, skip the others
     result.insert( result.end()-invalidHits, tmp.begin(), tmp.end());
       }
       invalidHits++;
     }
   }
 
   // sort the final result, keep dummy measurements at the end
   if ( result.size() > 1) {
     sort( result.begin(), result.end()-invalidHits, TrajMeasLessEstim());
   }
 
   LogDebug("CkfPattern")<<"starting from:\n"
             <<"x: "<<stateAndLayers.first.globalPosition()<<"\n"
             <<"p: "<<stateAndLayers.first.globalMomentum()<<"\n"
             <<PrintoutHelper::dumpMeasurements(result);
 
 #ifdef DEBUG_INVALID
   bool afterInvalid = false;
   for (vector<TM>::const_iterator i=result.begin();
        i!=result.end(); i++) {
     if ( ! i->recHit().isValid()) afterInvalid = true;
     if (afterInvalid && i->recHit().isValid()) {
       edm::LogError("CkfPattern") << "CkfTrajectoryBuilder error: valid hit after invalid!" ;
     }
   }
 #endif
 
   //analyseMeasurements( result, traj);
 
 }

void CkfTrajectoryBuilder::limitedCandidates	(	const TrajectorySeed &	seed,
		TempTrajectory &	startingTraj,
		TrajectoryContainer &	result
	)		const

protected

Definition at line 175 of file CkfTrajectoryBuilder.cc.

Referenced by buildTrajectories().

 {
   TempTrajectoryContainer candidates;
   candidates.push_back( startingTraj);
   boost::shared_ptr<const TrajectorySeed>  sharedSeed(new TrajectorySeed(seed));
   limitedCandidates(sharedSeed, candidates,result);
 }

void CkfTrajectoryBuilder::limitedCandidates	(	const boost::shared_ptr< const TrajectorySeed > &	sharedSeed,
		TempTrajectoryContainer &	candidates,
		TrajectoryContainer &	result
	)		const

protected

Definition at line 185 of file CkfTrajectoryBuilder.cc.

References BaseCkfTrajectoryBuilder::addToResult(), BaseCkfTrajectoryBuilder::analyzeMeasurementsDebugger(), IntermediateTrajectoryCleaner::clean(), PrintoutHelper::dumpCandidates(), findCompatibleMeasurements(), prof2calltree::last, LogDebug, BaseCkfTrajectoryBuilder::qualityFilter(), python.multivaluedict::sort(), theAlwaysUseInvalidHits, BaseCkfTrajectoryBuilder::theEstimator, BaseCkfTrajectoryBuilder::theForwardPropagator, theIntermediateCleaning, theLostHitPenalty, theMaxCand, BaseCkfTrajectoryBuilder::theMeasurementTracker, BaseCkfTrajectoryBuilder::theTTRHBuilder, BaseCkfTrajectoryBuilder::toBeContinued(), and updateTrajectory().

 {
   unsigned int nIter=1;
   TempTrajectoryContainer newCand; // = TrajectoryContainer();
 
  
   while ( !candidates.empty()) {
 
     newCand.clear();
     for (TempTrajectoryContainer::iterator traj=candidates.begin();
      traj!=candidates.end(); traj++) {
       std::vector<TM> meas;
       findCompatibleMeasurements(*sharedSeed, *traj, meas);
 
       // --- method for debugging
       if(!analyzeMeasurementsDebugger(*traj,meas,
                       theMeasurementTracker,
                       theForwardPropagator,theEstimator,
                       theTTRHBuilder)) return;
       // ---
 
       if ( meas.empty()) {
     if ( qualityFilter( *traj)) addToResult(sharedSeed, *traj, result);
       }
       else {
     std::vector<TM>::const_iterator last;
     if ( theAlwaysUseInvalidHits) last = meas.end();
     else {
       if (meas.front().recHit()->isValid()) {
         last = find_if( meas.begin(), meas.end(), RecHitIsInvalid());
       }
       else last = meas.end();
     }
 
     for( std::vector<TM>::const_iterator itm = meas.begin(); 
          itm != last; itm++) {
       TempTrajectory newTraj = *traj;
       updateTrajectory( newTraj, *itm);
 
       if ( toBeContinued(newTraj)) {
         newCand.push_back(newTraj);
       }
       else {
         if ( qualityFilter(newTraj)) addToResult(sharedSeed, newTraj, result);
       }
     }
       }
 
       if ((int)newCand.size() > theMaxCand) {
     sort( newCand.begin(), newCand.end(), TrajCandLess<TempTrajectory>(theLostHitPenalty));
     newCand.erase( newCand.begin()+theMaxCand, newCand.end());
       }
     }
 
     if (theIntermediateCleaning) IntermediateTrajectoryCleaner::clean(newCand);
 
     candidates.swap(newCand);
     
     LogDebug("CkfPattern") <<result.size()<<" candidates after "<<nIter++<<" CKF iteration: \n"
                <<PrintoutHelper::dumpCandidates(result)
                <<"\n "<<candidates.size()<<" running candidates are: \n"
                <<PrintoutHelper::dumpCandidates(candidates);
 
   }
 }

void CkfTrajectoryBuilder::rebuildTrajectories	(	TempTrajectory const &	startingTraj,
		const TrajectorySeed &	,
		TrajectoryContainer &	result
	)		const

inlinevirtual

Reimplemented from BaseCkfTrajectoryBuilder.

Definition at line 69 of file CkfTrajectoryBuilder.h.

70 {}

CkfTrajectoryBuilder::TrajectoryContainer CkfTrajectoryBuilder::trajectories ( const TrajectorySeed & seed ) const

virtual

trajectories building starting from a seed

Implements TrajectoryBuilder.

Definition at line 65 of file CkfTrajectoryBuilder.cc.

References query::result.

 {  
   TrajectoryContainer result;
   result.reserve(5);
   trajectories(seed, result);
   return result;
 }

void CkfTrajectoryBuilder::trajectories	(	const TrajectorySeed &	seed,
		CkfTrajectoryBuilder::TrajectoryContainer &	result
	)		const

virtual

trajectories building starting from a seed

Reimplemented from TrajectoryBuilder.

Definition at line 132 of file CkfTrajectoryBuilder.cc.

References buildTrajectories().

 {  
   // analyseSeed( seed);
   /*
     if (theSharedSeedCheck){
     TempTrajectoryContainer candidates;
     if (seedAlreadyUsed(seed,candidates))
     {
     //start with those candidates already made before
     limitedCandidates(candidates,result);
     //and quit
     return;
     }
     }
   */
 
   buildTrajectories(seed, result,nullptr);
 }

void CkfTrajectoryBuilder::updateTrajectory	(	TempTrajectory &	traj,
		const TM &	tm
	)		const

protected

Definition at line 255 of file CkfTrajectoryBuilder.cc.

References TrajectoryMeasurement::estimate(), TrajectoryMeasurement::layer(), TrajectoryMeasurement::predictedState(), TempTrajectory::push(), TrajectoryMeasurement::recHit(), BaseCkfTrajectoryBuilder::theUpdator, tmp, and TrajectoryStateUpdator::update().

Referenced by limitedCandidates().

 {
   TSOS predictedState = tm.predictedState();
   TM::ConstRecHitPointer hit = tm.recHit();
  
   if ( hit->isValid()) {
     TM tmp = TM( predictedState, theUpdator->update( predictedState, *hit),
          hit, tm.estimate(), tm.layer()); 
     traj.push(tmp );
   }
   else {
     traj.push( TM( predictedState, hit, 0, tm.layer()));
   }
 }

Member Data Documentation

bool CkfTrajectoryBuilder::theAlwaysUseInvalidHits

protected

Definition at line 83 of file CkfTrajectoryBuilder.h.

Referenced by CkfTrajectoryBuilder(), and limitedCandidates().

bool CkfTrajectoryBuilder::theIntermediateCleaning

protected

Tells whether an intermediary cleaning stage should take place during TB.

Definition at line 81 of file CkfTrajectoryBuilder.h.

Referenced by CkfTrajectoryBuilder(), and limitedCandidates().

float CkfTrajectoryBuilder::theLostHitPenalty

protected

Chi**2 Penalty for each lost hit.

Definition at line 80 of file CkfTrajectoryBuilder.h.

Referenced by CkfTrajectoryBuilder(), and limitedCandidates().

int CkfTrajectoryBuilder::theMaxCand

protected

set Event for the internal MeasurementTracker data member

    Maximum number of trajectory candidates

to propagate to the next layer.

Definition at line 78 of file CkfTrajectoryBuilder.h.

Referenced by CkfTrajectoryBuilder(), and limitedCandidates().

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation