#include <CRackTrajectoryBuilder.h>

Classes
class	CompareDetByTraj

Public Member Functions
	CRackTrajectoryBuilder (const edm::ParameterSet &conf)

Trajectory	createStartingTrajectory (const TrajectorySeed &seed) const

const TransientTrackingRecHitBuilder *	hitBuilder () const

void	init (const edm::EventSetup &es, bool)

void	run (const TrajectorySeedCollection &collseed, const SiStripRecHit2DCollection &collstereo, const SiStripRecHit2DCollection &collrphi, const SiStripMatchedRecHit2DCollection &collmatched, const SiPixelRecHitCollection &collpixel, const edm::EventSetup &es, edm::Event &e, std::vector< Trajectory > &trajoutput)
	Runs the algorithm. More...

	~CRackTrajectoryBuilder ()

Private Types
typedef std::pair< TrackingRecHitRangeIterator, TSOS >	PairTrackingRecHitTsos

typedef TrajectoryMeasurement	TM

typedef std::vector< const TrackingRecHit * >::iterator	TrackingRecHitIterator

typedef std::pair< TrackingRecHitIterator, TrackingRecHitIterator >	TrackingRecHitRange

typedef std::vector< TrackingRecHitRange >::iterator	TrackingRecHitRangeIterator

typedef TrajectoryStateOnSurface	TSOS

Private Member Functions
void	AddHit (Trajectory &traj, const std::vector< const TrackingRecHit * > &Hits, Propagator *currPropagator)

std::pair< TrajectoryStateOnSurface, const GeomDet * >	innerState (const Trajectory &traj) const

bool	isDifferentStripReHit2D (const SiStripRecHit2D &hitA, const SiStripRecHit2D &hitB)

bool	qualityFilter (const Trajectory &traj)

std::vector< TrajectoryMeasurement >	seedMeasurements (const TrajectorySeed &seed) const

std::vector< const TrackingRecHit * >	SortHits (const SiStripRecHit2DCollection &collstereo, const SiStripRecHit2DCollection &collrphi, const SiStripMatchedRecHit2DCollection &collmatched, const SiPixelRecHitCollection &collpixel, const TrajectorySeed &seed, const bool bAddSeedHits)

TSOS	startingTSOS (const TrajectorySeed &seed) const

void	updateTrajectory (Trajectory &traj, const TM &tm, const TransientTrackingRecHit &hit) const

Private Attributes
double	chi2cut

bool	debug_info

bool	fastPropagation

std::string	geometry

TransientTrackingRecHit::RecHitContainer	hits

edm::ESHandle< MagneticField >	magfield

const TransientTrackingRecHitBuilder *	RHBuilder

bool	seed_plus

std::string	theBuilderName

Chi2MeasurementEstimator *	theEstimator

const KFTrajectoryFitter *	theFitter

int	theMinHits

PropagatorWithMaterial *	thePropagator

PropagatorWithMaterial *	thePropagatorOp

const KFTrajectorySmoother *	theSmoother

KFUpdator *	theUpdator

edm::ESHandle< TrackerGeometry >	tracker

std::vector< Trajectory >	trajFit

bool	useMatchedHits

Friends
class	CompareDetByTraj

Detailed Description

Definition at line 122 of file CRackTrajectoryBuilder.h.

Member Typedef Documentation

typedef std::pair<TrackingRecHitRangeIterator, TSOS> CRackTrajectoryBuilder::PairTrackingRecHitTsos

private

Definition at line 134 of file CRackTrajectoryBuilder.h.

typedef TrajectoryMeasurement CRackTrajectoryBuilder::TM

private

Definition at line 126 of file CRackTrajectoryBuilder.h.

typedef std::vector<const TrackingRecHit*>::iterator CRackTrajectoryBuilder::TrackingRecHitIterator

private

Definition at line 128 of file CRackTrajectoryBuilder.h.

typedef std::pair<TrackingRecHitIterator, TrackingRecHitIterator> CRackTrajectoryBuilder::TrackingRecHitRange

private

Definition at line 130 of file CRackTrajectoryBuilder.h.

typedef std::vector<TrackingRecHitRange>::iterator CRackTrajectoryBuilder::TrackingRecHitRangeIterator

private

Definition at line 131 of file CRackTrajectoryBuilder.h.

typedef TrajectoryStateOnSurface CRackTrajectoryBuilder::TSOS

private

Definition at line 125 of file CRackTrajectoryBuilder.h.

Constructor & Destructor Documentation

CRackTrajectoryBuilder::CRackTrajectoryBuilder ( const edm::ParameterSet & conf )

Definition at line 30 of file CRackTrajectoryBuilder.cc.

References trackAssociatorByChi2_cfi::chi2cut, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), and AlCaHLTBitMon_QueryRunRegistry::string.

                                                                           {
   //minimum number of hits per tracks
 
   theMinHits = conf.getParameter<int>("MinHits");
   //cut on chi2
   chi2cut = conf.getParameter<double>("Chi2Cut");
   edm::LogInfo("CosmicTrackFinder") << "Minimum number of hits " << theMinHits << " Cut on Chi2= " << chi2cut;
 
   debug_info = conf.getUntrackedParameter<bool>("debug", false);
   fastPropagation = conf.getUntrackedParameter<bool>("fastPropagation", false);
   useMatchedHits = conf.getUntrackedParameter<bool>("useMatchedHits", true);
 
   geometry = conf.getUntrackedParameter<std::string>("GeometricStructure", "STANDARD");
   theBuilderName = conf.getParameter<std::string>("TTRHBuilder");
 }

CRackTrajectoryBuilder::~CRackTrajectoryBuilder ( )

Definition at line 46 of file CRackTrajectoryBuilder.cc.

                                                 {
   //  delete theInitialState;
 }

Member Function Documentation

void CRackTrajectoryBuilder::AddHit	(	Trajectory &	traj,
		const std::vector< const TrackingRecHit * > &	Hits,
		Propagator *	currPropagator
	)

private

do the old version ....

Definition at line 475 of file CRackTrajectoryBuilder.cc.

References trackAssociatorByChi2_cfi::chi2cut, Trajectory::chiSquared(), gather_cfg::cout, spr::find(), TrackingRecHit::geographicalId(), TrajectoryStateOnSurface::globalPosition(), hfClusterShapes_cfi::hits, TrajectoryStateOnSurface::isValid(), Trajectory::lastMeasurement(), Propagator::propagate(), Trajectory::push(), DetId::rawId(), PbPb_ZMuSkimMuonDPG_cff::tracker, TrajectoryStateOnSurface::update(), and TrajectoryMeasurement::updatedState().

                                                                 {
   vector<const TrackingRecHit*> Hits = _Hits;
   if (Hits.empty())
     return;
 
   if (debug_info)
     cout << "CRackTrajectoryBuilder::AddHit" << endl;
   if (debug_info)
     cout << "START " << traj.lastMeasurement().updatedState() << endl;
 
   vector<TrackingRecHitRange> hitRangeByDet;
   TrackingRecHitIterator prevDet;
 
   prevDet = Hits.begin();
   for (TrackingRecHitIterator iHit = Hits.begin(); iHit != Hits.end(); iHit++) {
     if ((*prevDet)->geographicalId() == (*iHit)->geographicalId())
       continue;
 
     hitRangeByDet.push_back(make_pair(prevDet, iHit));
     prevDet = iHit;
   }
   hitRangeByDet.push_back(make_pair(prevDet, Hits.end()));
 
 
   if (fastPropagation) {
     for (TrackingRecHitRangeIterator iHitRange = hitRangeByDet.begin(); iHitRange != hitRangeByDet.end(); iHitRange++) {
       const TrackingRecHit* currHit = *(iHitRange->first);
       DetId currDet = currHit->geographicalId();
 
       TSOS prSt =
           currPropagator->propagate(traj.lastMeasurement().updatedState(), tracker->idToDet(currDet)->surface());
 
       if (!prSt.isValid()) {
         if (debug_info)
           cout << "Not Valid: PRST" << prSt.globalPosition();
         //        if (debug_info) cout << "Not Valid: HIT" << *currHit;
 
         continue;
       }
 
       TransientTrackingRecHit::RecHitPointer bestHit = RHBuilder->build(currHit);
       double chi2min = theEstimator->estimate(prSt, *bestHit).second;
 
       if (debug_info)
         cout << "Size " << iHitRange->first - (*iHitRange).second << endl;
       for (TrackingRecHitIterator iHit = (*iHitRange).first + 1; iHit != iHitRange->second; iHit++) {
         if (debug_info)
           cout << "loop3 "
                << " " << Hits.end() - iHit << endl;
 
         TransientTrackingRecHit::RecHitPointer tmpHit = RHBuilder->build(*iHit);
         double currChi2 = theEstimator->estimate(prSt, *tmpHit).second;
         if (currChi2 < chi2min) {
           chi2min = currChi2;
           bestHit = tmpHit;
         }
       }
       //now we have check if the track can be added to the trajectory
       if (debug_info)
         cout << chi2min << endl;
       if (chi2min < chi2cut) {
         if (debug_info)
           cout << "chi2 fine : " << chi2min << endl;
         TSOS UpdatedState = theUpdator->update(prSt, *bestHit);
         if (UpdatedState.isValid()) {
           hits.push_back(bestHit);
           traj.push(TM(prSt, UpdatedState, bestHit, chi2min));
           if (debug_info)
             edm::LogInfo("CosmicTrackFinder") << "STATE UPDATED WITH HIT AT POSITION "
 
                                               << bestHit->globalPosition() << UpdatedState << " " << traj.chiSquared();
           if (debug_info)
             cout << "STATE UPDATED WITH HIT AT POSITION "
 
                  << bestHit->globalPosition() << UpdatedState << " " << traj.chiSquared();
           if (debug_info)
             cout << "State is valid ..." << endl;
           break;  // now we need to
         } else {
           edm::LogWarning("CosmicTrackFinder") << " State can not be updated with hit at position " << endl;
           TSOS UpdatedState = theUpdator->update(prSt, *bestHit);
           if (UpdatedState.isValid()) {
             cout << "NOT! UPDATED WITH HIT AT POSITION "
 
                  << bestHit->globalPosition() << UpdatedState << " " << traj.chiSquared();
           }
         }
       }
     }
   }  //simple version end
   else {
     //first sort the dets in the order they are traversed by the trajectory
     // we need three loops:
     // 1: loop as long as there can be an new hit added to the trajectory
     // 2: loop over all dets that might be hit
     // 3: loop over all hits on a certain det
 
     std::vector<std::pair<TrackingRecHitRangeIterator, TSOS> > trackHitCandidates;
     std::vector<std::pair<TrackingRecHitRangeIterator, TSOS> >::iterator iHitRange;
     std::vector<uint32_t> processedDets;
     do {
       //create vector of possibly hit detectors...
       trackHitCandidates.clear();
       DetId currDet;
       for (TrackingRecHitRangeIterator iHit = hitRangeByDet.begin(); iHit != hitRangeByDet.end(); iHit++) {
         const TrackingRecHit* currHit = *(iHit->first);
         currDet = currHit->geographicalId();
 
         if (find(processedDets.begin(), processedDets.end(), currDet.rawId()) != processedDets.end())
           continue;
 
         TSOS prSt =
             currPropagator->propagate(traj.lastMeasurement().updatedState(), tracker->idToDet(currDet)->surface());
         if ((!prSt.isValid()) ||
             (theEstimator->Chi2MeasurementEstimatorBase::estimate(prSt, tracker->idToDet(currDet)->surface()) == false))
           //          if ( ( !prSt.isValid() ) ||  (theEstimator->estimate(prSt,tracker->idToDet(currDet)->surface() ) == false) )
           continue;
 
         trackHitCandidates.push_back(make_pair(iHit, prSt));
       }
 
       if (trackHitCandidates.empty())
         break;
 
       if (debug_info)
         cout << Hits.size() << " (int) trackHitCandidates.begin() " << trackHitCandidates.size() << endl;
       if (debug_info)
         cout << "Before sorting ... " << endl;
 
       if (debug_info)
         for (iHitRange = trackHitCandidates.begin(); iHitRange != trackHitCandidates.end(); iHitRange++) {
           if (debug_info)
             cout << (tracker->idToDet((*(iHitRange->first->first))->geographicalId()))->position();
         }
       if (debug_info)
         cout << endl;
 
       stable_sort(trackHitCandidates.begin(),
                   trackHitCandidates.end(),
                   CompareDetByTraj(traj.lastMeasurement().updatedState()));
 
       if (debug_info)
         cout << "After sorting ... " << endl;
       if (debug_info) {
         for (iHitRange = trackHitCandidates.begin(); iHitRange != trackHitCandidates.end(); iHitRange++) {
           if (debug_info)
             cout << (tracker->idToDet((*(iHitRange->first->first))->geographicalId()))->position();
         }
         cout << endl;
       }
 
       for (iHitRange = trackHitCandidates.begin(); iHitRange != trackHitCandidates.end(); iHitRange++)  //loop over dets
       {
         //now find the best hit of the detector
         if (debug_info)
           cout << "loop2 " << trackHitCandidates.size() << " " << trackHitCandidates.end() - iHitRange << endl;
         const TrackingRecHit* currHit = *(iHitRange->first->first);
 
         TransientTrackingRecHit::RecHitPointer bestHit = RHBuilder->build(currHit);
         TSOS currPrSt = (*iHitRange).second;
 
         if (debug_info)
           cout << "curr position" << bestHit->globalPosition();
         for (TrackingRecHitIterator iHit = (*iHitRange).first->first + 1; iHit != iHitRange->first->second; iHit++) {
           TransientTrackingRecHit::RecHitPointer tmpHit = RHBuilder->build(*iHit);
           if (debug_info)
             cout << "curr position" << tmpHit->globalPosition();
         }
       }
       if (debug_info)
         cout << "Cross check end ..." << endl;
 
       //just a simple test if the same hit can be added twice ...
       //      for( iHitRange = trackHitCandidates.begin(); iHitRange != trackHitCandidates.end(); iHitRange++ )      //loop over all hits
 
       //      break;
 
       for (iHitRange = trackHitCandidates.begin(); iHitRange != trackHitCandidates.end();
            iHitRange++)  //loop over detsall hits
       {
         //now find the best hit of the detector
         if (debug_info)
           cout << "loop2 " << trackHitCandidates.size() << " " << trackHitCandidates.end() - iHitRange << endl;
 
         const TrackingRecHit* currHit = *(iHitRange->first->first);
 
         processedDets.push_back(currHit->geographicalId().rawId());
 
         TransientTrackingRecHit::RecHitPointer bestHit = RHBuilder->build(currHit);
 
         if (debug_info)
           cout << "curr position A" << bestHit->globalPosition() << endl;
         TSOS currPrSt = (*iHitRange).second;
         double chi2min = theEstimator->estimate(currPrSt, *bestHit).second;
 
         if (debug_info)
           cout << "Size " << iHitRange->first->second - (*iHitRange).first->first << endl;
         for (TrackingRecHitIterator iHit = (*iHitRange).first->first + 1; iHit != iHitRange->first->second; iHit++) {
           if (debug_info)
             cout << "loop3 "
                  << " " << Hits.end() - iHit << endl;
 
           TransientTrackingRecHit::RecHitPointer tmpHit = RHBuilder->build(*iHit);
           if (debug_info)
             cout << "curr position B" << tmpHit->globalPosition() << endl;
           double currChi2 = theEstimator->estimate(currPrSt, *tmpHit).second;
           if (currChi2 < chi2min) {
             if (debug_info)
               cout << "Is best hit" << endl;
             chi2min = currChi2;
             bestHit = tmpHit;
           }
         }
         //now we have checked the det and can remove the entry from the vector...
 
         //if (debug_info) cout << "before erase ..." << endl;
         //this is to slow ...
         // hitRangeByDet.erase( (*iHitRange).first,(*iHitRange).first+1 );
         //if (debug_info) cout << "after erase ..." << endl;
 
         if (debug_info)
           cout << chi2min << endl;
         //if the track can be added to the trajectory
         if (chi2min < chi2cut) {
           if (debug_info)
             cout << "chi2 fine : " << chi2min << endl;
 
           //  if (debug_info) cout << "previaous state " << traj.lastMeasurement().updatedState() <<endl;
           TSOS UpdatedState = theUpdator->update(currPrSt, *bestHit);
           if (UpdatedState.isValid()) {
             hits.push_back(bestHit);
             traj.push(TM(currPrSt, UpdatedState, bestHit, chi2min));
             if (debug_info)
               edm::LogInfo("CosmicTrackFinder") << "STATE UPDATED WITH HIT AT POSITION "
                                                 //   <<tmphitbestdet->globalPosition()
                                                 << UpdatedState << " " << traj.chiSquared();
             if (debug_info)
               cout << "Added Hit" << bestHit->globalPosition() << endl;
             if (debug_info)
               cout << "State is valid ..." << UpdatedState << endl;
             //cout << "updated state " << traj.lastMeasurement().updatedState() <<endl;
 
             //        return; //break;
             //
             //        TSOS prSt= currPropagator->propagate(traj.lastMeasurement().updatedState(),
             //                        tracker->idToDet( bestHit->geographicalId() )->surface());
             //
             //        if ( prSt.isValid())
             //      cout << "the same hit can be added twice ..." << endl;
             //
 
             break;
           } else {
             if (debug_info)
               edm::LogWarning("CosmicTrackFinder")
                   << " State can not be updated with hit at position " << bestHit->globalPosition();
             //      cout << "State can not be updated with hit at " << bestHit->globalPosition() << endl;
           }
           continue;
         } else {
           //      cout << "chi2 to big : " << chi2min << endl;
         }
         if (debug_info)
           cout << " continue 1 " << endl;
       }
       //now we remove all already processed dets from the list ...
       // hitRangeByDet.erase( (*trackHitCandidates.begin()).first,(*iHitRange).first+1 );
 
       if (debug_info)
         cout << " continue 2 " << endl;
     }
     //if this was the last exit
     while (iHitRange != trackHitCandidates.end());
   }
 }

Trajectory CRackTrajectoryBuilder::createStartingTrajectory ( const TrajectorySeed & seed ) const

Definition at line 214 of file CRackTrajectoryBuilder.cc.

References TrajectorySeed::direction(), mps_fire::i, eostools::move(), and mps_fire::result.

                                                                                             {
   Trajectory result(seed, seed.direction());
   std::vector<TM>&& seedMeas = seedMeasurements(seed);
   for (auto i : seedMeas)
     result.push(std::move(i));
   return result;
 }

const TransientTrackingRecHitBuilder* CRackTrajectoryBuilder::hitBuilder ( ) const

inline

Definition at line 192 of file CRackTrajectoryBuilder.h.

References SurveyInfoScenario_cff::seed.

Referenced by cms::CosmicTrackFinder::produce().

192 { return RHBuilder; }

CRackTrajectoryBuilder::RHBuilder

const TransientTrackingRecHitBuilder * RHBuilder

Definition: CRackTrajectoryBuilder.h:229

void CRackTrajectoryBuilder::init	(	const edm::EventSetup &	es,
		bool	seedplus
	)

Definition at line 50 of file CRackTrajectoryBuilder.cc.

References alongMomentum, trackAssociatorByChi2_cfi::chi2cut, Chi2MeasurementEstimator_cfi::Chi2MeasurementEstimator, edm::EventSetup::get(), volumeBasedMagneticField_1103l_cfi::magfield, oppositeToMomentum, edm::ESHandle< T >::product(), and PbPb_ZMuSkimMuonDPG_cff::tracker.

                                                                         {
   //  edm::ParameterSet tise_params = conf_.getParameter<edm::ParameterSet>("TransientInitialStateEstimatorParameters") ;
   // theInitialState          = new TransientInitialStateEstimator( es,tise_params);
 
   //services
   es.get<IdealMagneticFieldRecord>().get(magfield);
   es.get<TrackerDigiGeometryRecord>().get(tracker);
 
   if (seedplus) {
     seed_plus = true;
     thePropagator = new PropagatorWithMaterial(alongMomentum, 0.1057, &(*magfield));
     thePropagatorOp = new PropagatorWithMaterial(oppositeToMomentum, 0.1057, &(*magfield));
   } else {
     seed_plus = false;
     thePropagator = new PropagatorWithMaterial(oppositeToMomentum, 0.1057, &(*magfield));
     thePropagatorOp = new PropagatorWithMaterial(alongMomentum, 0.1057, &(*magfield));
   }
 
   theUpdator = new KFUpdator();
   //  theUpdator=       new KFStripUpdator();
   theEstimator = new Chi2MeasurementEstimator(chi2cut);
 
   edm::ESHandle<TransientTrackingRecHitBuilder> theBuilder;
   es.get<TransientRecHitRecord>().get(theBuilderName, theBuilder);
 
   RHBuilder = theBuilder.product();
 
   theFitter = new KFTrajectoryFitter(*thePropagator, *theUpdator, *theEstimator);
 
   theSmoother = new KFTrajectorySmoother(*thePropagatorOp, *theUpdator, *theEstimator);
 }

std::pair< TrajectoryStateOnSurface, const GeomDet * > CRackTrajectoryBuilder::innerState ( const Trajectory & traj ) const

private

Definition at line 794 of file CRackTrajectoryBuilder.cc.

References alongMomentum, gen::C, Chi2MeasurementEstimator_cfi::Chi2MeasurementEstimator, Trajectory::direction(), Trajectory::foundHits(), mps_fire::i, TrajectoryStateOnSurface::localParameters(), Trajectory::measurements(), nhits, oppositeToMomentum, rpcPointValidation_cfi::recHit, and TrajectoryStateOnSurface::surface().

                                                                                                                  {
   int lastFitted = 999;
   int nhits = traj.foundHits();
   if (nhits < lastFitted + 1)
     lastFitted = nhits - 1;
 
   std::vector<TrajectoryMeasurement> measvec = traj.measurements();
   TransientTrackingRecHit::ConstRecHitContainer firstHits;
 
   bool foundLast = false;
   int actualLast = -99;
   for (int i = lastFitted; i >= 0; i--) {
     if (measvec[i].recHit()->isValid()) {
       if (!foundLast) {
         actualLast = i;
         foundLast = true;
       }
       firstHits.push_back(measvec[i].recHit());
     }
   }
   TSOS unscaledState = measvec[actualLast].updatedState();
   AlgebraicSymMatrix55 C = ROOT::Math::SMatrixIdentity();
   // C *= 100.;
 
   TSOS startingState(unscaledState.localParameters(),
                      LocalTrajectoryError(C),
                      unscaledState.surface(),
                      thePropagator->magneticField());
 
   // cout << endl << "FitTester starts with state " << startingState << endl;
 
   KFTrajectoryFitter backFitter(*thePropagator, KFUpdator(), Chi2MeasurementEstimator(100., 3));
 
   PropagationDirection backFitDirection = traj.direction() == alongMomentum ? oppositeToMomentum : alongMomentum;
 
   // only direction matters in this contest
   TrajectorySeed fakeSeed = TrajectorySeed(PTrajectoryStateOnDet(), edm::OwnVector<TrackingRecHit>(), backFitDirection);
 
   vector<Trajectory> fitres = backFitter.fit(fakeSeed, firstHits, startingState);
 
   if (fitres.size() != 1) {
     // cout << "FitTester: first hits fit failed!" << endl;
     return std::pair<TrajectoryStateOnSurface, const GeomDet*>();
   }
 
   TrajectoryMeasurement firstMeas = fitres[0].lastMeasurement();
   const TSOS& firstState = firstMeas.updatedState();
 
   //  cout << "FitTester: Fitted first state " << firstState << endl;
   //cout << "FitTester: chi2 = " << fitres[0].chiSquared() << endl;
 
   TSOS initialState(
       firstState.localParameters(), LocalTrajectoryError(C), firstState.surface(), thePropagator->magneticField());
 
   return std::pair<TrajectoryStateOnSurface, const GeomDet*>(initialState, firstMeas.recHit()->det());
 }

bool CRackTrajectoryBuilder::isDifferentStripReHit2D	(	const SiStripRecHit2D &	hitA,
		const SiStripRecHit2D &	hitB
	)

private

Definition at line 777 of file CRackTrajectoryBuilder.cc.

References TrackingRecHit::geographicalId(), BaseTrackerRecHit::localPosition(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                                                              {
   if (hitA.geographicalId() != hitB.geographicalId())
     return true;
   if (hitA.localPosition().x() != hitB.localPosition().x())
     return true;
   if (hitA.localPosition().y() != hitB.localPosition().y())
     return true;
   if (hitA.localPosition().z() != hitB.localPosition().z())
     return true;
 
   //  if (debug_info) cout << hitA.localPosition() << endl;
   //  if (debug_info) cout << hitB << endl;
 
   return false;
 }

bool CRackTrajectoryBuilder::qualityFilter ( const Trajectory & traj )

private

Definition at line 754 of file CRackTrajectoryBuilder.cc.

References Trajectory::foundHits(), hfClusterShapes_cfi::hits, and Trajectory::recHits().

                                                                  {
   int ngoodhits = 0;
   if (geometry == "MTCC") {
     auto hits = traj.recHits();
     for (auto hit = hits.begin(); hit != hits.end(); hit++) {
       unsigned int iid = (*hit)->hit()->geographicalId().rawId();
       //CHECK FOR 3 hits r-phi
       if (((iid >> 0) & 0x3) != 1)
         ngoodhits++;
     }
   } else
     ngoodhits = traj.foundHits();
 
   if (ngoodhits >= theMinHits) {
     return true;
   } else {
     return false;
   }
 }

void CRackTrajectoryBuilder::run	(	const TrajectorySeedCollection &	collseed,
		const SiStripRecHit2DCollection &	collstereo,
		const SiStripRecHit2DCollection &	collrphi,
		const SiStripMatchedRecHit2DCollection &	collmatched,
		const SiPixelRecHitCollection &	collpixel,
		const edm::EventSetup &	es,
		edm::Event &	e,
		std::vector< Trajectory > &	trajoutput
	)

Runs the algorithm.

Definition at line 82 of file CRackTrajectoryBuilder.cc.

References alongMomentum, gather_cfg::cout, Trajectory::firstMeasurement(), Trajectory::foundHits(), hfClusterShapes_cfi::hits, init, iseed, Trajectory::recHits(), groupFilesInBlocks::reverse, Trajectory::seed(), PbPb_ZMuSkimMuonDPG_cff::tracker, and TrajectoryMeasurement::updatedState().

Referenced by cms::CosmicTrackFinder::produce().

                                                                  {
   std::vector<Trajectory> trajSmooth;
   std::vector<Trajectory>::iterator trajIter;
 
   TrajectorySeedCollection::const_iterator iseed;
   unsigned int IS = 0;
   for (iseed = collseed.begin(); iseed != collseed.end(); iseed++) {
     bool seedplus = ((*iseed).direction() == alongMomentum);
     init(es, seedplus);
     hits.clear();
     trajFit.clear();
     trajSmooth.clear();
 
     Trajectory startingTraj = createStartingTrajectory(*iseed);
     Trajectory trajTmp;  // used for the opposite direction
     Trajectory traj = startingTraj;
 
     //first propagate track in opposite direction ...
     seed_plus = !seed_plus;
     vector<const TrackingRecHit*> allHitsOppsite = SortHits(collstereo, collrphi, collmatched, collpixel, *iseed, true);
     seed_plus = !seed_plus;
     if (!allHitsOppsite.empty()) {
       //there are hits which are above the seed,
       //cout << "Number of hits higher than seed " <<allHitsOppsite.size() << endl;
 
       AddHit(traj, allHitsOppsite, thePropagatorOp);
 
       if (debug_info) {
         cout << "Hits in opposite direction..." << endl;
         TransientTrackingRecHit::RecHitContainer::const_iterator iHit;
         for (iHit = hits.begin(); iHit != hits.end(); iHit++) {
           cout << (**iHit).globalPosition() << endl;
         }
       }
 
       // now add hist opposite to seed
       //now crate new starting trajectory
       reverse(hits.begin(), hits.end());
       if (thePropagatorOp
               ->propagate(traj.firstMeasurement().updatedState(),
                           tracker->idToDet((hits.front())->geographicalId())->surface())
               .isValid()) {
         TSOS startingStateNew =  //TrajectoryStateWithArbitraryError()//
             (thePropagatorOp->propagate(traj.firstMeasurement().updatedState(),
                                         tracker->idToDet((hits.front())->geographicalId())->surface()));
 
         if (debug_info) {
           cout << "Hits in opposite direction reversed..." << endl;
           TransientTrackingRecHit::RecHitContainer::const_iterator iHit;
           for (iHit = hits.begin(); iHit != hits.end(); iHit++) {
             cout << (**iHit).globalPosition() << endl;
           }
         }
 
         const TrajectorySeed& tmpseed = traj.seed();
         trajTmp = theFitter->fit(tmpseed, hits, startingStateNew).front();
 
         if (debug_info) {
           cout << "Debugging show fitted hits" << endl;
           auto hitsFit = trajTmp.recHits();
           for (auto hit = hitsFit.begin(); hit != hitsFit.end(); hit++) {
             cout << RHBuilder->build(&(*(*hit)->hit()))->globalPosition() << endl;
           }
         }
       }
     } else {
       if (debug_info)
         cout << "There are no hits in opposite direction ..." << endl;
     }
 
     vector<const TrackingRecHit*> allHits;
     if (trajTmp.foundHits()) {
       traj = trajTmp;
       allHits = SortHits(collstereo, collrphi, collmatched, collpixel, *iseed, false);
     } else {
       traj = startingTraj;
       hits.clear();
       allHits = SortHits(collstereo, collrphi, collmatched, collpixel, *iseed, true);
     }
 
     AddHit(traj, allHits, thePropagator);
 
     if (debug_info) {
       cout << "Debugging show All fitted hits" << endl;
       auto hits = traj.recHits();
       for (auto hit = hits.begin(); hit != hits.end(); hit++) {
         cout << (*hit)->globalPosition() << endl;
       }
 
       cout << qualityFilter(traj) << " <- quality filter good?" << endl;
     }
 
     if (debug_info)
       cout << "now do quality checks" << endl;
     if (qualityFilter(traj)) {
       const TrajectorySeed& tmpseed = traj.seed();
       std::pair<TrajectoryStateOnSurface, const GeomDet*> initState =
           innerState(traj);  //theInitialState->innerState(traj);
       if (initState.first.isValid())
         trajFit = theFitter->fit(tmpseed, hits, initState.first);
     }
 
     for (trajIter = trajFit.begin(); trajIter != trajFit.end(); trajIter++) {
       trajSmooth = theSmoother->trajectories((*trajIter));
     }
     for (trajIter = trajSmooth.begin(); trajIter != trajSmooth.end(); trajIter++) {
       if ((*trajIter).isValid()) {
         if (debug_info)
           cout << "adding track ... " << endl;
         trajoutput.push_back((*trajIter));
       }
     }
     delete theUpdator;
     delete theEstimator;
     delete thePropagator;
     delete thePropagatorOp;
     delete theFitter;
     delete theSmoother;
     //Only the first 30 seeds are considered
     if (IS > 30)
       return;
     IS++;
   }
 }

std::vector< TrajectoryMeasurement > CRackTrajectoryBuilder::seedMeasurements ( const TrajectorySeed & seed ) const

private

Definition at line 222 of file CRackTrajectoryBuilder.cc.

References rpcPointValidation_cfi::recHit, TrajectorySeed::recHits(), mps_fire::result, GeomDet::surface(), and TrackInfoProducer_cfi::updatedState.

                                                                                                           {
   std::vector<TrajectoryMeasurement> result;
   TrajectorySeed::range hitRange = seed.recHits();
   for (TrajectorySeed::const_iterator ihit = hitRange.first; ihit != hitRange.second; ihit++) {
     //RC TransientTrackingRecHit* recHit = RHBuilder->build(&(*ihit));
     TransientTrackingRecHit::RecHitPointer recHit = RHBuilder->build(&(*ihit));
     const GeomDet* hitGeomDet = (&(*tracker))->idToDet(ihit->geographicalId());
     TSOS invalidState(new BasicSingleTrajectoryState(hitGeomDet->surface()));
 
     if (ihit == hitRange.second - 1) {
       TSOS updatedState = startingTSOS(seed);
       result.emplace_back(invalidState, updatedState, recHit);
 
     } else {
       result.emplace_back(invalidState, recHit);
     }
   }
 
   return result;
 }

vector< const TrackingRecHit * > CRackTrajectoryBuilder::SortHits	(	const SiStripRecHit2DCollection &	collstereo,
		const SiStripRecHit2DCollection &	collrphi,
		const SiStripMatchedRecHit2DCollection &	collmatched,
		const SiPixelRecHitCollection &	collpixel,
		const TrajectorySeed &	seed,
		const bool	bAddSeedHits
	)

private

Definition at line 243 of file CRackTrajectoryBuilder.cc.

References gather_cfg::cout, edmNew::DetSetVector< T >::data(), spr::find(), TrackingRecHit::geographicalId(), TrajectoryStateOnSurface::globalPosition(), BaseTrackerRecHit::globalPosition(), hfClusterShapes_cfi::hits, TrajectoryStateOnSurface::isValid(), Trajectory::lastMeasurement(), TrajectoryStateOnSurface::localError(), LogDebug, visualization-live-secondInstance_cfg::m, LocalTrajectoryError::matrix(), SiStripMatchedRecHit2D::monoHit(), TrajectorySeed::nHits(), DetId::rawId(), TrajectorySeed::recHits(), alignCSCRings::s, SiStripMatchedRecHit2D::stereoHit(), PbPb_ZMuSkimMuonDPG_cff::tracker, TrajectoryMeasurement::updatedState(), PV3DBase< T, PVType, FrameType >::y(), multiplicitycorr_cfi::yMax, and photonAnalyzer_cfi::yMin.

                                                                                         {
   //The Hits with global y more than the seed are discarded
   //The Hits correspondign to the seed are discarded
   //At the end all the hits are sorted in y
   vector<const TrackingRecHit*> allHits;
 
   SiStripRecHit2DCollection::DataContainer::const_iterator istrip;
   TrajectorySeed::range hRange = seed.recHits();
   TrajectorySeed::const_iterator ihit;
   float yref = 0.;
 
   if (debug_info)
     cout << "SEED " << startingTSOS(seed) << endl;
   if (debug_info)
     cout << "seed hits size " << seed.nHits() << endl;
 
   //seed debugging:
   // GeomDet *seedDet =  tracker->idToDet(seed.startingState().detId());
 
   //  edm::LogInfo("CRackTrajectoryBuilder::SortHits") << "SEED " << seed.startingState();
 
   edm::LogInfo("CRackTrajectoryBuilder::SortHits") << "SEED " << startingTSOS(seed);
   //  edm::LogInfo("CRackTrajectoryBuilder::SortHits" << "seed hits size " << seed.nHits();
 
   //  if (seed.nHits()<2)
   //  return allHits;
 
   float_t yMin = 0.;
   float_t yMax = 0.;
 
   int seedHitSize = hRange.second - hRange.first;
 
   vector<int> detIDSeedMatched(seedHitSize);
   vector<int> detIDSeedRphi(seedHitSize);
   vector<int> detIDSeedStereo(seedHitSize);
 
   for (ihit = hRange.first; ihit != hRange.second; ihit++) {
     // need to find track with lowest (seed_plus)/ highest y (seed_minus)
     // split matched hits ...
     const SiStripMatchedRecHit2D* matchedhit = dynamic_cast<const SiStripMatchedRecHit2D*>(&(*ihit));
 
     yref = RHBuilder->build(&(*ihit))->globalPosition().y();
     if (ihit == hRange.first) {
       yMin = yref;
       yMax = yref;
     }
 
     if (matchedhit) {
       auto m = matchedhit->monoHit();
       auto s = matchedhit->stereoHit();
       float_t yGlobRPhi = RHBuilder->build(&m)->globalPosition().y();
       float_t yGlobStereo = RHBuilder->build(&s)->globalPosition().y();
 
       if (debug_info)
         cout << "Rphi ..." << yGlobRPhi << endl;
       if (debug_info)
         cout << "Stereo ..." << yGlobStereo << endl;
 
       if (yGlobStereo < yMin)
         yMin = yGlobStereo;
       if (yGlobRPhi < yMin)
         yMin = yGlobRPhi;
 
       if (yGlobStereo > yMax)
         yMax = yGlobStereo;
       if (yGlobRPhi > yMax)
         yMax = yGlobRPhi;
 
       detIDSeedMatched.push_back(matchedhit->geographicalId().rawId());
       detIDSeedRphi.push_back(m.geographicalId().rawId());
       detIDSeedStereo.push_back(s.geographicalId().rawId());
 
       if (bAddSeedHits) {
         if (useMatchedHits) {
           hits.push_back((RHBuilder->build(&(*ihit))));
         } else {
           if (((yGlobRPhi > yGlobStereo) && seed_plus) || ((yGlobRPhi < yGlobStereo) && !seed_plus)) {
             hits.push_back((RHBuilder->build(&m)));
             hits.push_back((RHBuilder->build(&s)));
           } else {
             hits.push_back((RHBuilder->build(&s)));
             hits.push_back((RHBuilder->build(&m)));
           }
         }
       }
     } else if (bAddSeedHits) {
       hits.push_back((RHBuilder->build(&(*ihit))));
       detIDSeedRphi.push_back(ihit->geographicalId().rawId());
       detIDSeedMatched.push_back(-1);
       detIDSeedStereo.push_back(-1);
     }
 
     if (yref < yMin)
       yMin = yref;
     if (yref > yMax)
       yMax = yref;
 
     //    if (bAddSeedHits)
     //      hits.push_back((RHBuilder->build(&(*ihit))));
 
     LogDebug("CosmicTrackFinder") << "SEED HITS" << RHBuilder->build(&(*ihit))->globalPosition();
     if (debug_info)
       cout << "SEED HITS" << RHBuilder->build(&(*ihit))->globalPosition() << endl;
     //    if (debug_info) cout <<"SEED HITS"<< seed.startingState().parameters() << endl;
   }
 
   yref = (seed_plus) ? yMin : yMax;
 
   SiPixelRecHitCollection::DataContainer::const_iterator ipix;
   for (ipix = collpixel.data().begin(); ipix != collpixel.data().end(); ipix++) {
     float ych = RHBuilder->build(&(*ipix))->globalPosition().y();
     if ((seed_plus && (ych < yref)) || (!(seed_plus) && (ych > yref)))
       allHits.push_back(&(*ipix));
   }
 
   if (useMatchedHits)  // use matched
   {
     //add the matched hits ...
     SiStripMatchedRecHit2DCollection::DataContainer::const_iterator istripm;
 
     for (istripm = collmatched.data().begin(); istripm != collmatched.data().end(); istripm++) {
       float ych = RHBuilder->build(&(*istripm))->globalPosition().y();
 
       int cDetId = istripm->geographicalId().rawId();
       bool noSeedDet = (detIDSeedMatched.end() == find(detIDSeedMatched.begin(), detIDSeedMatched.end(), cDetId));
 
       if (noSeedDet)
         if ((seed_plus && (ych < yref)) || (!(seed_plus) && (ych > yref)))
           allHits.push_back(&(*istripm));
     }
 
     //add the rpi hits, but only accept hits that are not matched hits
     for (istrip = collrphi.data().begin(); istrip != collrphi.data().end(); istrip++) {
       float ych = RHBuilder->build(&(*istrip))->globalPosition().y();
       StripSubdetector monoDetId(istrip->geographicalId());
       if (monoDetId.partnerDetId()) {
         edm::LogInfo("CRackTrajectoryBuilder::SortHits") << "this det belongs to a glued det " << ych << endl;
         continue;
       }
       int cDetId = istrip->geographicalId().rawId();
       bool noSeedDet = (detIDSeedRphi.end() == find(detIDSeedRphi.begin(), detIDSeedRphi.end(), cDetId));
       if (noSeedDet)
         if ((seed_plus && (ych < yref)) || (!(seed_plus) && (ych > yref))) {
           bool hitIsUnique = true;
           //now
           for (istripm = collmatched.data().begin(); istripm != collmatched.data().end(); istripm++) {
             //       if ( isDifferentStripReHit2D ( *istrip, (istripm->stereoHit() ) ) == false)
             if (isDifferentStripReHit2D(*istrip, (istripm->monoHit())) == false) {
               hitIsUnique = false;
               edm::LogInfo("CRackTrajectoryBuilder::SortHits") << "rphi hit is in matched hits; y: " << ych << endl;
               break;
             }
           }  //end loop over all matched
           if (hitIsUnique) {
             //      if (debug_info) cout << "adding rphi hit " << &(*istrip) << endl;
             allHits.push_back(&(*istrip));
           }
         }
     }
 
   } else  // dont use matched ...
   {
     for (istrip = collrphi.data().begin(); istrip != collrphi.data().end(); istrip++) {
       float ych = RHBuilder->build(&(*istrip))->globalPosition().y();
       if ((seed_plus && (ych < yref)) || (!(seed_plus) && (ych > yref)))
         allHits.push_back(&(*istrip));
     }
 
     for (istrip = collstereo.data().begin(); istrip != collstereo.data().end(); istrip++) {
       float ych = RHBuilder->build(&(*istrip))->globalPosition().y();
       if ((seed_plus && (ych < yref)) || (!(seed_plus) && (ych > yref)))
         allHits.push_back(&(*istrip));
     }
   }
 
   if (seed_plus)
     stable_sort(allHits.begin(), allHits.end(), CompareHitY_plus(*tracker));
   else
     stable_sort(allHits.begin(), allHits.end(), CompareHitY(*tracker));
 
   if (debug_info) {
     if (debug_info)
       cout << "all hits" << endl;
 
     //starting trajectory
     Trajectory startingTraj = createStartingTrajectory(seed);
 
     if (debug_info)
       cout << "START " << startingTraj.lastMeasurement().updatedState() << endl;
     if (debug_info)
       cout << "START  Err" << startingTraj.lastMeasurement().updatedState().localError().matrix() << endl;
 
     vector<const TrackingRecHit*>::iterator iHit;
     for (iHit = allHits.begin(); iHit < allHits.end(); iHit++) {
       GlobalPoint gphit = RHBuilder->build(*iHit)->globalPosition();
       if (debug_info)
         cout << "GH " << gphit << endl;
 
       //      tracker->idToDet((*iHit)->geographicalId())->surface();
 
       TSOS prSt = thePropagator->propagate(startingTraj.lastMeasurement().updatedState(),
                                            tracker->idToDet((*iHit)->geographicalId())->surface());
 
       if (prSt.isValid()) {
         if (debug_info)
           cout << "PR " << prSt.globalPosition() << endl;
         //if (debug_info) cout << "PR  Err" << prSt.localError().matrix() << endl;
 
       } else {
         if (debug_info)
           cout << "not valid" << endl;
       }
     }
     if (debug_info)
       cout << "all hits end" << endl;
   }
 
   return allHits;
 }

TrajectoryStateOnSurface CRackTrajectoryBuilder::startingTSOS ( const TrajectorySeed & seed ) const

private

Definition at line 468 of file CRackTrajectoryBuilder.cc.

References volumeBasedMagneticField_1103l_cfi::magfield, TrajectorySeed::startingState(), and trajectoryStateTransform::transientState().

                                                                                               {
   PTrajectoryStateOnDet pState(seed.startingState());
   const GeomDet* gdet = (&(*tracker))->idToDet(DetId(pState.detId()));
   TSOS State = trajectoryStateTransform::transientState(pState, &(gdet->surface()), &(*magfield));
   return State;
 }

void CRackTrajectoryBuilder::updateTrajectory	(	Trajectory &	traj,
		const TM &	tm,
		const TransientTrackingRecHit &	hit
	)		const

private

Friends And Related Function Documentation

friend class CompareDetByTraj

friend

Definition at line 137 of file CRackTrajectoryBuilder.h.

Member Data Documentation

double CRackTrajectoryBuilder::chi2cut

private

Definition at line 239 of file CRackTrajectoryBuilder.h.

bool CRackTrajectoryBuilder::debug_info

private

Definition at line 234 of file CRackTrajectoryBuilder.h.

bool CRackTrajectoryBuilder::fastPropagation

private

Definition at line 235 of file CRackTrajectoryBuilder.h.

std::string CRackTrajectoryBuilder::geometry

private

Definition at line 244 of file CRackTrajectoryBuilder.h.

Referenced by Vispa.Gui.ConnectableWidget.ConnectableWidget::leaveEvent().

TransientTrackingRecHit::RecHitContainer CRackTrajectoryBuilder::hits

private

Definition at line 242 of file CRackTrajectoryBuilder.h.

edm::ESHandle<MagneticField> CRackTrajectoryBuilder::magfield

private

Definition at line 218 of file CRackTrajectoryBuilder.h.

const TransientTrackingRecHitBuilder* CRackTrajectoryBuilder::RHBuilder

private

Definition at line 229 of file CRackTrajectoryBuilder.h.

bool CRackTrajectoryBuilder::seed_plus

private

Definition at line 243 of file CRackTrajectoryBuilder.h.

std::string CRackTrajectoryBuilder::theBuilderName

private

Definition at line 245 of file CRackTrajectoryBuilder.h.

Chi2MeasurementEstimator* CRackTrajectoryBuilder::theEstimator

private

Definition at line 228 of file CRackTrajectoryBuilder.h.

const KFTrajectoryFitter* CRackTrajectoryBuilder::theFitter

private

Definition at line 231 of file CRackTrajectoryBuilder.h.

int CRackTrajectoryBuilder::theMinHits

private

Definition at line 238 of file CRackTrajectoryBuilder.h.

PropagatorWithMaterial* CRackTrajectoryBuilder::thePropagator

private

Definition at line 221 of file CRackTrajectoryBuilder.h.

PropagatorWithMaterial* CRackTrajectoryBuilder::thePropagatorOp

private

Definition at line 222 of file CRackTrajectoryBuilder.h.

const KFTrajectorySmoother* CRackTrajectoryBuilder::theSmoother

private

Definition at line 230 of file CRackTrajectoryBuilder.h.

KFUpdator* CRackTrajectoryBuilder::theUpdator

private

Definition at line 227 of file CRackTrajectoryBuilder.h.

edm::ESHandle<TrackerGeometry> CRackTrajectoryBuilder::tracker

private

Definition at line 219 of file CRackTrajectoryBuilder.h.

std::vector<Trajectory> CRackTrajectoryBuilder::trajFit

private

Definition at line 240 of file CRackTrajectoryBuilder.h.

bool CRackTrajectoryBuilder::useMatchedHits

private

Definition at line 236 of file CRackTrajectoryBuilder.h.

Classes

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation