#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 125 of file CRackTrajectoryBuilder.h.

Member Typedef Documentation

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

private

Definition at line 138 of file CRackTrajectoryBuilder.h.

typedef TrajectoryMeasurement CRackTrajectoryBuilder::TM

private

Definition at line 130 of file CRackTrajectoryBuilder.h.

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

private

Definition at line 132 of file CRackTrajectoryBuilder.h.

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

private

Definition at line 134 of file CRackTrajectoryBuilder.h.

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

private

Definition at line 135 of file CRackTrajectoryBuilder.h.

typedef TrajectoryStateOnSurface CRackTrajectoryBuilder::TSOS

private

Definition at line 129 of file CRackTrajectoryBuilder.h.

Constructor & Destructor Documentation

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

Definition at line 32 of file CRackTrajectoryBuilder.cc.

References geometry, 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 53 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 613 of file CRackTrajectoryBuilder.cc.

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

                                                                                                             {
    vector<const TrackingRecHit*> Hits = _Hits;
    if ( Hits.size() == 0 )
      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 )
                  {
                    currChi2 = chi2min;
                    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.size())
       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 252 of file CRackTrajectoryBuilder.cc.

References TrajectorySeed::direction(), i, and query::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 201 of file CRackTrajectoryBuilder.h.

References RHBuilder.

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

201 {return RHBuilder;}

CRackTrajectoryBuilder::RHBuilder

const TransientTrackingRecHitBuilder * RHBuilder

Definition: CRackTrajectoryBuilder.h:250

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

Definition at line 58 of file CRackTrajectoryBuilder.cc.

References alongMomentum, Chi2MeasurementEstimatorESProducer_cfi::Chi2MeasurementEstimator, edm::EventSetup::get(), KFTrajectoryFitterESProducer_cfi::KFTrajectoryFitter, KFTrajectorySmootherESProducer_cfi::KFTrajectorySmoother, HLT_ES_cff::magfield, oppositeToMomentum, edm::ESHandle< class >::product(), and patCandidatesForDimuonsSequences_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 943 of file CRackTrajectoryBuilder.cc.

References alongMomentum, funct::C, Chi2MeasurementEstimatorESProducer_cfi::Chi2MeasurementEstimator, Trajectory::direction(), Trajectory::foundHits(), i, TrajectoryStateOnSurface::localParameters(), Trajectory::measurements(), nhits, oppositeToMomentum, TrajectoryMeasurement::recHit(), TrajectoryStateOnSurface::surface(), and TrajectoryMeasurement::updatedState().

 {
   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();
   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 922 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 899 of file CRackTrajectoryBuilder.cc.

References Trajectory::foundHits(), and geometry.

                                                            {
   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 105 of file CRackTrajectoryBuilder.cc.

References alongMomentum, gather_cfg::cout, Trajectory::firstMeasurement(), Trajectory::foundHits(), init, iseed, Trajectory::seed(), patCandidatesForDimuonsSequences_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.size())
       {
     //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 262 of file CRackTrajectoryBuilder.cc.

References TrajectorySeed::recHits(), query::result, and GeomDet::surface().

 {
   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.push_back(std::move(TM( invalidState, updatedState, recHit)));
 
     } 
     else {
       result.push_back(std::move(TM( 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 288 of file CRackTrajectoryBuilder.cc.

References gather_cfg::cout, edmNew::DetSetVector< T >::data(), spr::find(), TrackingRecHit::geographicalId(), TrajectoryStateOnSurface::globalPosition(), BaseTrackerRecHit::globalPosition(), TrajectoryStateOnSurface::isValid(), Trajectory::lastMeasurement(), TrajectoryStateOnSurface::localError(), LogDebug, contentValuesFiles::m, LocalTrajectoryError::matrix(), SiStripMatchedRecHit2D::monoHit(), TrajectorySeed::nHits(), DetId::rawId(), TrajectorySeed::recHits(), alignCSCRings::s, SiStripMatchedRecHit2D::stereoHit(), patCandidatesForDimuonsSequences_cff::tracker, TrajectoryMeasurement::updatedState(), PV3DBase< T, PVType, FrameType >::y(), HLT_25ns14e33_v1_cff::yMax, and HLT_25ns14e33_v1_cff::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;
   
   if ((&collpixel)!=0){
     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;
 
       if ((&collmatched)!=0){
     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)))
         {
       //if (debug_info) cout << "adding matched hit " << &(*istripm) << endl; 
           allHits.push_back(&(*istripm));
     }
     }
       }
 
    //add the rpi hits, but only accept hits that are not matched hits
   if ((&collrphi)!=0){
     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 
        if ((&collmatched)!=0)
          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));   
          }
     }
     }
   }
 
   
   //add the stereo hits except the hits that are in the matched collection
   //update do not use unmatched rphi hist due to limitation of alignment framework
   //if (!useMatchedHits)
   //if ((&collstereo)!=0){
   //  for(istrip=collstereo.data().begin();istrip!=collstereo.data().end();istrip++){
   //    float ych= RHBuilder->build(&(*istrip))->globalPosition().y();
   //
   //
   //      int cDetId = istrip->geographicalId().rawId();
   //        bool noSeedDet = ( detIDSeedStereo.end()== find (detIDSeedStereo.begin(), detIDSeedStereo.end(), cDetId ) ) ;
   //
   //        if (noSeedDet)
   //    if ((seed_plus && (ych<yref)) || (!(seed_plus) && (ych>yref)))
   //      {
   //
   //        bool hitIsUnique = true;
   //        //now 
   //         if ((&collmatched)!=0)
   //           for(istripm=collmatched.data().begin();istripm!=collmatched.data().end();istripm++)
   //             {
   //         if ( isDifferentStripReHit2D ( *istrip, * (istripm->stereoHit() ) ) == false)
   //           {
   //             hitIsUnique = false;
   //             edm::LogInfo("CRackTrajectoryBuilder::SortHits") << "stereo hit already in matched hits; y:  " << ych << endl;
   //             break;
   //           }
   //             } //end loop over all stereo
   //         if (hitIsUnique)
   //           {
   //             
   //          //   if (debug_info) cout << "now I am adding a stero hit, either noise or not in overlap ...!!!!" << endl;
   //                allHits.push_back(&(*istrip));   
   //           }
   //      }
   //  }
   //}
     }
   else // dont use matched ...
     {
       
       if ((&collrphi)!=0){
     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));   
     }
       }
 
 
       if ((&collstereo)!=0){
     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(),CompareDetY_plus(*tracker));
 //  }
 //  else {
 //    stable_sort(allHits.begin(),allHits.end(),CompareDetY_minus(*tracker));
 //  }
 
 
   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 603 of file CRackTrajectoryBuilder.cc.

References HLT_ES_cff::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 141 of file CRackTrajectoryBuilder.h.

Member Data Documentation

double CRackTrajectoryBuilder::chi2cut

private

Definition at line 260 of file CRackTrajectoryBuilder.h.

bool CRackTrajectoryBuilder::debug_info

private

Definition at line 255 of file CRackTrajectoryBuilder.h.

bool CRackTrajectoryBuilder::fastPropagation

private

Definition at line 256 of file CRackTrajectoryBuilder.h.

std::string CRackTrajectoryBuilder::geometry

private

Definition at line 265 of file CRackTrajectoryBuilder.h.

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

TransientTrackingRecHit::RecHitContainer CRackTrajectoryBuilder::hits

private

Definition at line 263 of file CRackTrajectoryBuilder.h.

edm::ESHandle<MagneticField> CRackTrajectoryBuilder::magfield

private

Definition at line 239 of file CRackTrajectoryBuilder.h.

const TransientTrackingRecHitBuilder* CRackTrajectoryBuilder::RHBuilder

private

Definition at line 250 of file CRackTrajectoryBuilder.h.

Referenced by hitBuilder().

bool CRackTrajectoryBuilder::seed_plus

private

Definition at line 264 of file CRackTrajectoryBuilder.h.

std::string CRackTrajectoryBuilder::theBuilderName

private

Definition at line 266 of file CRackTrajectoryBuilder.h.

Chi2MeasurementEstimator* CRackTrajectoryBuilder::theEstimator

private

Definition at line 249 of file CRackTrajectoryBuilder.h.

const KFTrajectoryFitter* CRackTrajectoryBuilder::theFitter

private

Definition at line 252 of file CRackTrajectoryBuilder.h.

int CRackTrajectoryBuilder::theMinHits

private

Definition at line 259 of file CRackTrajectoryBuilder.h.

PropagatorWithMaterial* CRackTrajectoryBuilder::thePropagator

private

Definition at line 242 of file CRackTrajectoryBuilder.h.

PropagatorWithMaterial* CRackTrajectoryBuilder::thePropagatorOp

private

Definition at line 243 of file CRackTrajectoryBuilder.h.

const KFTrajectorySmoother* CRackTrajectoryBuilder::theSmoother

private

Definition at line 251 of file CRackTrajectoryBuilder.h.

KFUpdator* CRackTrajectoryBuilder::theUpdator

private

Definition at line 248 of file CRackTrajectoryBuilder.h.

edm::ESHandle<TrackerGeometry> CRackTrajectoryBuilder::tracker

private

Definition at line 240 of file CRackTrajectoryBuilder.h.

std::vector<Trajectory> CRackTrajectoryBuilder::trajFit

private

Definition at line 261 of file CRackTrajectoryBuilder.h.

bool CRackTrajectoryBuilder::useMatchedHits

private

Definition at line 257 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