CosmicMuonTrajectoryBuilder Class Reference

#include <CosmicMuonTrajectoryBuilder.h>

Inheritance diagram for CosmicMuonTrajectoryBuilder:

Public Member Functions
MuonTrajectoryUpdator *	backwardUpdator () const
MuonBestMeasurementFinder *	bestMeasurementFinder () const
PropagationDirection	checkDirectionByT0 (const DTRecSegment4D *, const DTRecSegment4D *) const
	CosmicMuonTrajectoryBuilder (const edm::ParameterSet &, const MuonServiceProxy *service, edm::ConsumesCollector &iC)
	Constructor. More...
DirectMuonNavigation *	navigation () const
const Propagator *	propagator () const
const Propagator *	propagatorAlong () const
const Propagator *	propagatorOpposite () const
virtual void	setEvent (const edm::Event &)
	pass the Event to the algo at each event More...
CosmicMuonSmoother *	smoother () const
double	t0 (const DTRecSegment4D *deseg) const
std::vector< Trajectory * >	trajectories (const TrajectorySeed &)
	build trajectories from seed More...
virtual CandidateContainer	trajectories (const TrackCand &)
	dummy implementation, unused in this class More...
MuonTrajectoryUpdator *	updator () const
const CosmicMuonUtilities *	utilities () const
virtual	~CosmicMuonTrajectoryBuilder ()
	Destructor. More...
Public Member Functions inherited from MuonTrajectoryBuilder
	MuonTrajectoryBuilder ()
	constructor More...
virtual	~MuonTrajectoryBuilder ()
	destructor More...

Private Member Functions
void	build (const TrajectoryStateOnSurface &, const NavigationDirection &, Trajectory &)
void	buildSecondHalf (Trajectory &)
void	estimateDirection (Trajectory &) const
	check the direction of trajectory by checking eta spread More...
std::vector < TrajectoryMeasurement >	findBestMeasurements (const DetLayer *, const TrajectoryStateOnSurface &, const Propagator *, const MeasurementEstimator *)
void	flipTrajectory (Trajectory &) const
	flip a trajectory with refit (the momentum direction is opposite) More...
void	getDirectionByTime (Trajectory &) const
	check the direction of trajectory by checking the timing More...
void	incrementChamberCounters (const DetLayer *layer, int &dtChambers, int &cscChambers, int &rpcChambers, int &totalChambers)
TrajectoryStateOnSurface	intermediateState (const TrajectoryStateOnSurface &) const
void	reverseTrajectory (Trajectory &) const
	reverse a trajectory without refit (out the measurements order changed) More...
void	reverseTrajectoryPropagationDirection (Trajectory &) const
	reverse the propagation direction of a trajectory More...
void	selectHits (MuonTransientTrackingRecHit::MuonRecHitContainer &) const
bool	selfDuplicate (const Trajectory &) const
	check if the trajectory iterates the same hit more than once More...
MuonTransientTrackingRecHit::MuonRecHitContainer	unusedHits (const DetLayer *, const TrajectoryMeasurement &) const

Private Attributes
std::string	category_
edm::Handle < CSCRecHit2DCollection >	cschits_
edm::Handle< DTRecHitCollection >	dthits_
MuonBestMeasurementFinder *	theBestMeasurementFinder
MuonTrajectoryUpdator *	theBKUpdator
unsigned long long	theCacheId_DG
MuonDetLayerMeasurements *	theLayerMeasurements
DirectMuonNavigation *	theNavigation
edm::ParameterSet	theNavigationPSet
int	theNSuccess
int	theNTraversing
std::string	thePropagatorName
const MuonServiceProxy *	theService
CosmicMuonSmoother *	theSmoother
bool	theStrict1LegFlag
bool	theTraversingMuonFlag
MuonTrajectoryUpdator *	theUpdator

Additional Inherited Members
Public Types inherited from MuonTrajectoryBuilder
typedef MuonCandidate::CandidateContainer	CandidateContainer
typedef std::pair< const Trajectory *, reco::TrackRef >	TrackCand
typedef MuonCandidate::TrajectoryContainer	TrajectoryContainer

Detailed Description

Definition at line 38 of file CosmicMuonTrajectoryBuilder.h.

Constructor & Destructor Documentation

CosmicMuonTrajectoryBuilder::CosmicMuonTrajectoryBuilder	(	const edm::ParameterSet &	par,
		const MuonServiceProxy *	service,
		edm::ConsumesCollector &	iC
	)

Constructor.

Definition at line 44 of file CosmicMuonTrajectoryBuilder.cc.

References category_, edm::ParameterSet::getParameter(), insideOut, outsideIn, theBestMeasurementFinder, theBKUpdator, theCacheId_DG, theLayerMeasurements, theNavigation, theNavigationPSet, theNSuccess, theNTraversing, thePropagatorName, theService, theSmoother, theStrict1LegFlag, theTraversingMuonFlag, and theUpdator.

                                                                                                                                              : theService(service) { 

  thePropagatorName = par.getParameter<string>("Propagator");

  bool enableDTMeasurement = par.getParameter<bool>("EnableDTMeasurement");
  bool enableCSCMeasurement = par.getParameter<bool>("EnableCSCMeasurement");
  bool enableRPCMeasurement = par.getParameter<bool>("EnableRPCMeasurement");

//  if(enableDTMeasurement)
  InputTag DTRecSegmentLabel = par.getParameter<InputTag>("DTRecSegmentLabel");

//  if(enableCSCMeasurement)
  InputTag CSCRecSegmentLabel = par.getParameter<InputTag>("CSCRecSegmentLabel");

//  if(enableRPCMeasurement)
  InputTag RPCRecSegmentLabel = par.getParameter<InputTag>("RPCRecSegmentLabel");
  theLayerMeasurements= new MuonDetLayerMeasurements(DTRecSegmentLabel,
                                                     CSCRecSegmentLabel,
                                                     RPCRecSegmentLabel,
                             iC,
                             enableDTMeasurement,
                             enableCSCMeasurement,
                             enableRPCMeasurement);

  ParameterSet muonUpdatorPSet = par.getParameter<ParameterSet>("MuonTrajectoryUpdatorParameters");
  
  theNavigation = 0; // new DirectMuonNavigation(theService->detLayerGeometry());
  theUpdator = new MuonTrajectoryUpdator(muonUpdatorPSet, insideOut);

  theBestMeasurementFinder = new MuonBestMeasurementFinder();

  ParameterSet muonBackwardUpdatorPSet = par.getParameter<ParameterSet>("BackwardMuonTrajectoryUpdatorParameters");

  theBKUpdator = new MuonTrajectoryUpdator(muonBackwardUpdatorPSet, outsideIn);

  theTraversingMuonFlag = par.getParameter<bool>("BuildTraversingMuon");

  theStrict1LegFlag = par.getParameter<bool>("Strict1Leg");

  ParameterSet smootherPSet = par.getParameter<ParameterSet>("MuonSmootherParameters");

  theNavigationPSet = par.getParameter<ParameterSet>("MuonNavigationParameters");

  theSmoother = new CosmicMuonSmoother(smootherPSet,theService);

  theNTraversing = 0;
  theNSuccess = 0;
  theCacheId_DG = 0;
  category_ = "Muon|RecoMuon|CosmicMuon|CosmicMuonTrajectoryBuilder";

}

CosmicMuonTrajectoryBuilder::~CosmicMuonTrajectoryBuilder ( )

virtual

Destructor.

Definition at line 97 of file CosmicMuonTrajectoryBuilder.cc.

References category_, LogTrace, theBestMeasurementFinder, theBKUpdator, theLayerMeasurements, theNavigation, theNSuccess, theNTraversing, theSmoother, and theUpdator.

                                                          {

  LogTrace(category_)<< "CosmicMuonTrajectoryBuilder dtor called";
  if (theUpdator) delete theUpdator;
  if (theBKUpdator) delete theBKUpdator;
  if (theLayerMeasurements) delete theLayerMeasurements;
  if (theSmoother) delete theSmoother;
  if (theNavigation) delete theNavigation; 
  delete theBestMeasurementFinder;

  LogTrace(category_)<< "CosmicMuonTrajectoryBuilder Traversing: "<<theNSuccess<<"/"<<theNTraversing;

}

Member Function Documentation

MuonTrajectoryUpdator* CosmicMuonTrajectoryBuilder::backwardUpdator ( ) const

inline

Definition at line 67 of file CosmicMuonTrajectoryBuilder.h.

References theBKUpdator.

Referenced by build(), and trajectories().

{return theBKUpdator;}

MuonBestMeasurementFinder* CosmicMuonTrajectoryBuilder::bestMeasurementFinder ( ) const

inline

Definition at line 75 of file CosmicMuonTrajectoryBuilder.h.

References theBestMeasurementFinder.

{return theBestMeasurementFinder;}

void CosmicMuonTrajectoryBuilder::build ( const TrajectoryStateOnSurface &  ts, const NavigationDirection &  startingDir, Trajectory &  traj  )

private

Definition at line 469 of file CosmicMuonTrajectoryBuilder.cc.

References alongMomentum, backwardUpdator(), PV3DBase< T, PVType, FrameType >::basicVector(), category_, DirectMuonNavigation::compatibleEndcapLayers(), DirectMuonNavigation::compatibleLayers(), Basic3DVector< T >::dot(), Trajectory::empty(), Basic3DVector< T >::eta(), findBestMeasurements(), Trajectory::firstMeasurement(), TrajectoryStateOnSurface::freeState(), TrajectoryStateOnSurface::globalPosition(), reco::if(), incrementChamberCounters(), TrajectoryStateOnSurface::isValid(), Trajectory::lastMeasurement(), LogTrace, MuonTrajectoryUpdator::makeFirstTime(), FreeTrajectoryState::momentum(), navigation(), oppositeToMomentum, FreeTrajectoryState::position(), Propagator::propagate(), propagator(), propagatorAlong(), propagatorOpposite(), TrajectoryStateOnSurface::rescaleError(), MuonTrajectoryUpdator::setFitDirection(), theBKUpdator, theStrict1LegFlag, theTraversingMuonFlag, MuonTrajectoryUpdator::update(), TrajectoryMeasurement::updatedState(), updator(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by buildSecondHalf().

                                                          {

  if ( !ts.isValid() ) return;

  const FreeTrajectoryState* fts = ts.freeState();
  if ( !fts ) return;

  vector<const DetLayer*> navLayers;

  if (fabs(fts->momentum().basicVector().eta()) < 1.0) {
    //DT
    if (fts->position().basicVector().dot(fts->momentum().basicVector())>0){
       navLayers = navigation()->compatibleLayers((*fts), alongMomentum);
      } else {
        navLayers = navigation()->compatibleLayers((*fts), oppositeToMomentum);
    }

  } else if (theTraversingMuonFlag && theStrict1LegFlag) {
    //CSC
      if (fts->position().basicVector().dot(fts->momentum().basicVector())>0){
           navLayers = navigation()->compatibleEndcapLayers((*fts), alongMomentum);
         } else {
            navLayers = navigation()->compatibleEndcapLayers((*fts), oppositeToMomentum);
          }
  } else {

    if (fts->position().basicVector().dot(fts->momentum().basicVector())>0){
       navLayers = navigation()->compatibleLayers((*fts), alongMomentum);
      } else {
        navLayers = navigation()->compatibleLayers((*fts), oppositeToMomentum);
   }

}

  if (navLayers.empty()) return;

  theBKUpdator->setFitDirection(startingDir);

  int DTChamberUsedBack = 0;
  int CSCChamberUsedBack = 0;
  int RPCChamberUsedBack = 0;
  int TotalChamberUsedBack = 0;

  TrajectoryStateOnSurface lastTsos = 
      (traj.lastMeasurement().updatedState().globalPosition().y() <
      traj.firstMeasurement().updatedState().globalPosition().y()) ? 
      propagatorAlong()->propagate((*fts),navLayers.front()->surface()) : propagatorOpposite()->propagate((*fts),navLayers.front()->surface());

  if ( !lastTsos.isValid() ) { 
    LogTrace(category_)<<"propagation failed from fts to inner cylinder";
    return;
  }
  LogTrace(category_)<<"tsos  "<<lastTsos.globalPosition();
  lastTsos.rescaleError(10.);
  vector<TrajectoryMeasurement> measL;
  for (vector<const DetLayer*>::const_iterator rnxtlayer = navLayers.begin();
      rnxtlayer!= navLayers.end(); ++rnxtlayer) {

    measL.clear();
    measL = findBestMeasurements(*rnxtlayer, lastTsos, propagator(), (backwardUpdator()->estimator()));

    if ( measL.empty() ) continue;

    for (vector<TrajectoryMeasurement>::const_iterator theMeas = measL.begin(); theMeas != measL.end(); ++theMeas) {

      pair<bool,TrajectoryStateOnSurface> bkresult
             = backwardUpdator()->update((&*theMeas), traj, propagator());
      if (bkresult.first ) {
        LogTrace(category_)<<"update ok : "<<(theMeas)->recHit()->globalPosition() ;

        incrementChamberCounters((*rnxtlayer), DTChamberUsedBack, CSCChamberUsedBack, RPCChamberUsedBack, TotalChamberUsedBack);

        if ( (!traj.empty()) && bkresult.second.isValid() ) 
          lastTsos = bkresult.second;
        else if ((theMeas)->predictedState().isValid()) 
          lastTsos = (theMeas)->predictedState();
      }
    }
  }
  navLayers.clear();
  updator()->makeFirstTime();
  backwardUpdator()->makeFirstTime();

  measL.clear();

  return;

}

void CosmicMuonTrajectoryBuilder::buildSecondHalf ( Trajectory &  traj )

private

Definition at line 565 of file CosmicMuonTrajectoryBuilder.cc.

References build(), category_, Trajectory::empty(), Trajectory::firstMeasurement(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), insideOut, intermediateState(), TrajectoryStateOnSurface::isValid(), Trajectory::lastMeasurement(), LogTrace, TrajectoryMeasurement::predictedState(), TrajectoryMeasurement::recHit(), reverseTrajectory(), and TrajectoryMeasurement::updatedState().

Referenced by trajectories().

                                                                  {

  if ( (traj.firstMeasurement().recHit()->globalPosition().perp()
      < traj.lastMeasurement().recHit()->globalPosition().perp()) ) {
    LogTrace(category_)<<"inside-out: reverseTrajectory"; 
    reverseTrajectory(traj);
  }
  if (traj.empty()) return;
  TrajectoryStateOnSurface tsos = traj.lastMeasurement().updatedState();
  if ( !tsos.isValid() ) tsos = traj.lastMeasurement().predictedState();
 LogTrace(category_)<<"last tsos on traj: pos: "<< tsos.globalPosition()<<" mom: "<< tsos.globalMomentum();
  if ( !tsos.isValid() ) {
    LogTrace(category_)<<"last tsos on traj invalid";
    return;
  }

  build(intermediateState(tsos),insideOut,traj);

  return;

}

PropagationDirection CosmicMuonTrajectoryBuilder::checkDirectionByT0	(	const DTRecSegment4D *	dtseg1,
		const DTRecSegment4D *	dtseg2
	)		const

Definition at line 940 of file CosmicMuonTrajectoryBuilder.cc.

References alongMomentum, anyDirection, category_, LogTrace, oppositeToMomentum, query::result, and t0().

                                                                                                         {

   LogTrace(category_) << "comparing dtseg: " << dtseg1 << " " << dtseg2 << endl;
   if (dtseg1 == dtseg2 || t0(dtseg1) == t0(dtseg2)) return anyDirection; 

   PropagationDirection result =
    ( t0(dtseg1) < t0(dtseg2) ) ? alongMomentum : oppositeToMomentum;

   return result;

}

void CosmicMuonTrajectoryBuilder::estimateDirection ( Trajectory &  traj ) const

private

check the direction of trajectory by checking eta spread

Definition at line 771 of file CosmicMuonTrajectoryBuilder.cc.

References category_, PV3DBase< T, PVType, FrameType >::eta(), Trajectory::firstMeasurement(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), TrajectoryStateOnSurface::isValid(), Trajectory::lastMeasurement(), LogTrace, CosmicMuonUtilities::reverseDirection(), Trajectory::seed(), theService, theSmoother, CosmicMuonSmoother::trajectories(), TrajectoryMeasurement::updatedState(), and utilities().

Referenced by trajectories().

                                                                          {

  TransientTrackingRecHit::ConstRecHitContainer hits = traj.recHits();

  TrajectoryStateOnSurface firstTSOS = traj.firstMeasurement().updatedState();

  TrajectoryStateOnSurface lastTSOS = traj.lastMeasurement().updatedState();

  if ( !firstTSOS.isValid() || !lastTSOS.isValid() ) return;

  LogTrace(category_) <<"Two ends of the traj "<<firstTSOS.globalPosition()
                      <<", "<<lastTSOS.globalPosition();

  LogTrace(category_) <<"Their mom: "<<firstTSOS.globalMomentum()
                      <<", "<<lastTSOS.globalMomentum();

  LogTrace(category_) <<"Their mom eta: "<<firstTSOS.globalMomentum().eta()
                      <<", "<<lastTSOS.globalMomentum().eta();

  // momentum eta can be used to estimate direction
  // the beam-halo muon seems enter with a larger |eta|

  if ( fabs(firstTSOS.globalMomentum().eta()) > fabs(lastTSOS.globalMomentum().eta()) ) {

    vector<Trajectory> refitted = theSmoother->trajectories(traj.seed(),hits,firstTSOS);
    if ( !refitted.empty() ) traj = refitted.front();

  } else {
    std::reverse(hits.begin(), hits.end());
    utilities()->reverseDirection(lastTSOS,&*theService->magneticField());
    vector<Trajectory> refittedback = theSmoother->trajectories(traj.seed(),hits,lastTSOS);
    if ( !refittedback.empty() ) traj = refittedback.front();

  }

  return;

}

std::vector< TrajectoryMeasurement > CosmicMuonTrajectoryBuilder::findBestMeasurements ( const DetLayer *  layer, const TrajectoryStateOnSurface &  tsos, const Propagator *  propagator, const MeasurementEstimator *  estimator  )

private

Definition at line 859 of file CosmicMuonTrajectoryBuilder.cc.

References MuonBestMeasurementFinder::findBestMeasurement(), MuonDetLayerMeasurements::groupedMeasurements(), GeometricSearchDet::hasGroups(), MuonDetLayerMeasurements::measurements(), query::result, theBestMeasurementFinder, and theLayerMeasurements.

Referenced by build(), and trajectories().

                                                                                         {

  std::vector<TrajectoryMeasurement> result;
  std::vector<TrajectoryMeasurement> measurements;

  if ( layer->hasGroups() ) {
    std::vector<TrajectoryMeasurementGroup> measurementGroups =
      theLayerMeasurements->groupedMeasurements(layer, tsos, *propagator, *estimator);

    for (std::vector<TrajectoryMeasurementGroup>::const_iterator tmGroupItr = measurementGroups.begin();
        tmGroupItr != measurementGroups.end(); ++tmGroupItr) {
    
      measurements = tmGroupItr->measurements();
      const TrajectoryMeasurement* bestMeasurement 
        = theBestMeasurementFinder->findBestMeasurement(measurements, propagator);
      
      if (bestMeasurement) result.push_back(*bestMeasurement);
    }
  } 
  else {
    measurements = theLayerMeasurements->measurements(layer, tsos, *propagator, *estimator);
    const TrajectoryMeasurement* bestMeasurement 
      = theBestMeasurementFinder->findBestMeasurement(measurements, propagator);

    if (bestMeasurement) result.push_back(*bestMeasurement);
  }
  measurements.clear();

  return result;

}

void CosmicMuonTrajectoryBuilder::flipTrajectory ( Trajectory &  traj ) const

private

flip a trajectory with refit (the momentum direction is opposite)

Definition at line 717 of file CosmicMuonTrajectoryBuilder.cc.

References category_, CosmicMuonSmoother::fit(), TrajectoryStateOnSurface::isValid(), Trajectory::lastMeasurement(), LogTrace, CosmicMuonUtilities::reverseDirection(), Trajectory::seed(), theService, theSmoother, TrajectoryMeasurement::updatedState(), and utilities().

Referenced by trajectories().

                                                                       {

  TrajectoryStateOnSurface lastTSOS = traj.lastMeasurement().updatedState();
  if ( !lastTSOS.isValid() ) {
    LogTrace(category_) << "Error: last TrajectoryState invalid.";
  }  
  TransientTrackingRecHit::ConstRecHitContainer hits = traj.recHits();
  std::reverse(hits.begin(), hits.end());

  LogTrace(category_) << "last tsos before flipping "<<lastTSOS;
  utilities()->reverseDirection(lastTSOS,&*theService->magneticField());
  LogTrace(category_) << "last tsos after flipping "<<lastTSOS;

  vector<Trajectory> refittedback = theSmoother->fit(traj.seed(),hits,lastTSOS);
  if ( refittedback.empty() ) {
    LogTrace(category_) <<"flipTrajectory fail. "<<endl;
    return;
  }
  LogTrace(category_) <<"flipTrajectory: first "<< refittedback.front().firstMeasurement().updatedState()
                       <<"\nflipTrajectory: last "<<refittedback.front().lastMeasurement().updatedState();

  traj = refittedback.front();

  return;

}

void CosmicMuonTrajectoryBuilder::getDirectionByTime ( Trajectory &  traj ) const

private

check the direction of trajectory by checking the timing

Definition at line 814 of file CosmicMuonTrajectoryBuilder.cc.

References category_, CSCDetId, cschits_, dthits_, DTLayerId, LogTrace, and PV3DBase< T, PVType, FrameType >::perp().

                                                                           {

  TransientTrackingRecHit::ConstRecHitContainer hits = traj.recHits();
  LogTrace(category_) << "getDirectionByTime"<<endl;
  for (TransientTrackingRecHit::ConstRecHitContainer::const_iterator ir = hits.begin(); ir != hits.end(); ir++ ) {
    if ( !(*ir)->isValid() ) {
      LogTrace(category_) << "invalid RecHit"<<endl;
      continue;
    }

    const GlobalPoint& pos = (*ir)->globalPosition();
    LogTrace(category_)
    << "pos" << pos
    << "radius " << pos.perp()
    << "  dim " << (*ir)->dimension()
    << "  det " << (*ir)->det()->geographicalId().det()
    << "  sub det " << (*ir)->det()->subDetector()<<endl;

    if ((*ir)->det()->geographicalId().det() == 2 && (*ir)->det()->subDetector() == 6) { 
//      const CSCRecHit2D* iCSC = dynamic_cast<const CSCRecHit2D*>(&**ir);
//      if (iCSC) LogTrace(category_)<<"csc from cast tpeak "<<iCSC->tpeak(); 
      CSCRecHit2DCollection::range thisrange = cschits_->get(CSCDetId((*ir)->geographicalId()));
      for (CSCRecHit2DCollection::const_iterator rechit = thisrange.first; rechit!=thisrange.second;++rechit) {
         if ((*rechit).isValid()) LogTrace(category_)<<"csc from collection tpeak "<<(*rechit).tpeak();
      }
    }
    if ((*ir)->det()->geographicalId().det() == 2 && (*ir)->det()->subDetector() == 7) {
//      const DTRecHit1D* iDT = dynamic_cast<const DTRecHit1D*>(&**ir);
//      if (iDT) LogTrace(category_)<<"dt digitime "<<iDT->digiTime();
      DTRecHitCollection::range thisrange = dthits_->get(DTLayerId((*ir)->geographicalId()));
      for (DTRecHitCollection::const_iterator rechit = thisrange.first; rechit!=thisrange.second;++rechit) {
         if ((*rechit).isValid()) LogTrace(category_)<<"dt from collection digitime "<<(*rechit).digiTime();
      }
    }
  }

  return;

}

void CosmicMuonTrajectoryBuilder::incrementChamberCounters ( const DetLayer *  layer, int &  dtChambers, int &  cscChambers, int &  rpcChambers, int &  totalChambers  )

private

Definition at line 898 of file CosmicMuonTrajectoryBuilder.cc.

References GeomDetEnumerators::CSC, GeomDetEnumerators::DT, GeomDetEnumerators::RPCBarrel, GeomDetEnumerators::RPCEndcap, and DetLayer::subDetector().

Referenced by build(), and trajectories().

                                                                               {

  if (layer->subDetector()==GeomDetEnumerators::DT) dtChambers++; 
  else if (layer->subDetector()==GeomDetEnumerators::CSC) cscChambers++; 
  else if (layer->subDetector()==GeomDetEnumerators::RPCBarrel || layer->subDetector()==GeomDetEnumerators::RPCEndcap) rpcChambers++; 
  totalChambers++;

}

TrajectoryStateOnSurface CosmicMuonTrajectoryBuilder::intermediateState ( const TrajectoryStateOnSurface &  tsos ) const

private

Definition at line 591 of file CosmicMuonTrajectoryBuilder.cc.

References category_, TrajectoryStateOnSurface::globalDirection(), LogTrace, Propagator::propagate(), and propagator().

Referenced by buildSecondHalf().

                                                                                                                  {

  PerpendicularBoundPlaneBuilder planeBuilder;
  GlobalPoint pos(0.0, 0.0, 0.0);
  BoundPlane* SteppingPlane = planeBuilder(pos,tsos.globalDirection());

  TrajectoryStateOnSurface predTsos = propagator()->propagate(tsos, *SteppingPlane);
  if ( predTsos.isValid() )
  LogTrace(category_)<<"intermediateState: a intermediate state: pos: "<<predTsos.globalPosition() << "mom: " << predTsos.globalMomentum();

  return predTsos;

}

DirectMuonNavigation* CosmicMuonTrajectoryBuilder::navigation ( ) const

inline

Definition at line 73 of file CosmicMuonTrajectoryBuilder.h.

References theNavigation.

Referenced by build(), and trajectories().

{return theNavigation;}

const Propagator* CosmicMuonTrajectoryBuilder::propagator ( void  ) const

inline

Definition at line 58 of file CosmicMuonTrajectoryBuilder.h.

References MuonServiceProxy::propagator(), thePropagatorName, and theService.

Referenced by build(), intermediateState(), and trajectories().

{return &*theService->propagator(thePropagatorName);}

const Propagator* CosmicMuonTrajectoryBuilder::propagatorAlong ( ) const

inline

Definition at line 61 of file CosmicMuonTrajectoryBuilder.h.

References MuonServiceProxy::propagator(), and theService.

Referenced by build().

{return &*theService->propagator("SteppingHelixPropagatorAlong");}

const Propagator* CosmicMuonTrajectoryBuilder::propagatorOpposite ( ) const

inline

Definition at line 63 of file CosmicMuonTrajectoryBuilder.h.

References MuonServiceProxy::propagator(), and theService.

Referenced by build().

{return &*theService->propagator("SteppingHelixPropagatorOpposite");}

void CosmicMuonTrajectoryBuilder::reverseTrajectory ( Trajectory &  traj ) const

private

reverse a trajectory without refit (out the measurements order changed)

Definition at line 689 of file CosmicMuonTrajectoryBuilder.cc.

References alongMomentum, Trajectory::firstMeasurement(), Trajectory::lastMeasurement(), Trajectory::measurements(), oppositeToMomentum, TrajectoryMeasurement::recHit(), and Trajectory::seed().

Referenced by buildSecondHalf().

                                                                          {

  PropagationDirection newDir = (traj.firstMeasurement().recHit()->globalPosition().y()
      < traj.lastMeasurement().recHit()->globalPosition().y())
  ? oppositeToMomentum : alongMomentum;
  Trajectory newTraj(traj.seed(), newDir);
  
  /* does not work in gcc4.8?)
  std::vector<TrajectoryMeasurement> & meas = traj.measurements();
  for (auto itm = meas.rbegin(); itm != meas.rend(); ++itm ) {
    newTraj.push(std::move(*itm));
  }
  traj = std::move(newTraj);
  */

  std::vector<TrajectoryMeasurement> const & meas = traj.measurements();
  for (auto itm = meas.rbegin(); itm != meas.rend(); ++itm ) {
    newTraj.push(*itm);
  }
  traj = newTraj;


}

void CosmicMuonTrajectoryBuilder::reverseTrajectoryPropagationDirection ( Trajectory &  traj ) const

private

reverse the propagation direction of a trajectory

Definition at line 748 of file CosmicMuonTrajectoryBuilder.cc.

References alongMomentum, anyDirection, Trajectory::direction(), Trajectory::empty(), Trajectory::measurements(), oppositeToMomentum, Trajectory::pop(), and Trajectory::seed().

Referenced by trajectories().

                                                                                              {

  if ( traj.direction() == anyDirection ) return;
  PropagationDirection newDir = (traj.direction() == alongMomentum)? oppositeToMomentum : alongMomentum;
  Trajectory newTraj(traj.seed(), newDir);
  const std::vector<TrajectoryMeasurement>& meas = traj.measurements();

  for (std::vector<TrajectoryMeasurement>::const_iterator itm = meas.begin(); itm != meas.end(); ++itm) {
    newTraj.push(*itm);
  }

  while (!traj.empty()) {
    traj.pop();
  }

  traj = newTraj;

}

void CosmicMuonTrajectoryBuilder::selectHits ( MuonTransientTrackingRecHit::MuonRecHitContainer &  hits ) const

private

Definition at line 609 of file CosmicMuonTrajectoryBuilder.cc.

References i, j, keep, and tmp.

                                                                                                       {

  if ( hits.size() < 2 ) return;

  MuonRecHitContainer tmp;
  vector<bool> keep(hits.size(),true);
  int i(0);
  int j(0);

  for (MuonRecHitContainer::const_iterator ihit = hits.begin();
       ihit != hits.end(); ++ihit ) {
    if ( !keep[i] ) { i++; continue; };
    j = i + 1;
    for (MuonRecHitContainer::const_iterator ihit2 = ihit + 1;
         ihit2 != hits.end(); ++ihit2 ) {
         if ( !keep[j] ) { j++; continue; }
         if ((*ihit)->geographicalId() == (*ihit2)->geographicalId() ) {
           if ( (*ihit)->dimension() > (*ihit2)->dimension() ) {
              keep[j] = false;
           } else if ( (*ihit)->dimension() < (*ihit2)->dimension() ) {
              keep[i] = false;
           } else  {
           if ( (*ihit)->transientHits().size()>(*ihit2)->transientHits().size() ) { 
              keep[j] = false;
           } else if ( (*ihit)->transientHits().size()<(*ihit2)->transientHits().size() ) {
              keep[i] = false;
           } 
            else if ( (*ihit)->degreesOfFreedom() != 0 && (*ihit2)->degreesOfFreedom() != 0)  {
            if (((*ihit)->chi2()/(*ihit)->degreesOfFreedom()) > ((*ihit2)->chi2()/(*ihit)->degreesOfFreedom())) keep[i] = false;
            else keep[j] = false;
           }
          }
         } // if same geomid 
      j++;
    }
    i++;
  }

  i = 0;
  for (MuonRecHitContainer::const_iterator ihit = hits.begin();
       ihit != hits.end(); ++ihit ) {
     if (keep[i] ) tmp.push_back(*ihit);
     i++;
  }

  hits.clear();
  hits.swap(tmp);

  return;

}

bool CosmicMuonTrajectoryBuilder::selfDuplicate ( const Trajectory &  traj ) const

private

check if the trajectory iterates the same hit more than once

Definition at line 665 of file CosmicMuonTrajectoryBuilder.cc.

References Trajectory::empty(), and query::result.

Referenced by trajectories().

                                                                            {

  TransientTrackingRecHit::ConstRecHitContainer const & hits = traj.recHits();

  if (traj.empty()) return true;

  bool result = false;
  for (ConstRecHitContainer::const_iterator ir = hits.begin(); ir != hits.end(); ir++ ) {
    if ( !(*ir)->isValid() )  continue;
    for (ConstRecHitContainer::const_iterator ir2 = ir+1; ir2 != hits.end(); ir2++ ) {
      if ( !(*ir2)->isValid() )  continue;
      if ( (*ir) == (*ir2) ) result = true;
    }
  }

  return result;

}

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

virtual

pass the Event to the algo at each event

Implements MuonTrajectoryBuilder.

Definition at line 112 of file CosmicMuonTrajectoryBuilder.cc.

References category_, LogTrace, MuonDetLayerMeasurements::setEvent(), theCacheId_DG, theLayerMeasurements, theNavigation, theNavigationPSet, and theService.

                                                                {

  theLayerMeasurements->setEvent(event);

  // DetLayer Geometry
  unsigned long long newCacheId_DG = theService->eventSetup().get<MuonRecoGeometryRecord>().cacheIdentifier();
  if ( newCacheId_DG != theCacheId_DG ) {
    LogTrace(category_) << "Muon Reco Geometry changed!";
    theCacheId_DG = newCacheId_DG;
    if (theNavigation) delete theNavigation;
    theNavigation = new DirectMuonNavigation(theService->detLayerGeometry(), theNavigationPSet);
  }


}

CosmicMuonSmoother* CosmicMuonTrajectoryBuilder::smoother ( ) const

inline

Definition at line 69 of file CosmicMuonTrajectoryBuilder.h.

References theSmoother.

Referenced by utilities().

{return theSmoother;}

double CosmicMuonTrajectoryBuilder::t0

(

const DTRecSegment4D *

deseg

)

const

Definition at line 915 of file CosmicMuonTrajectoryBuilder.cc.

References category_, DTRecSegment4D::hasPhi(), DTRecSegment2D::ist0Valid(), LogTrace, DTRecSegment4D::phiSegment(), query::result, DTRecSegment2D::specificRecHits(), and DTRecSegment2D::t0().

Referenced by checkDirectionByT0().

                                                                        {

   if ( (dtseg == 0) || (!dtseg->hasPhi()) ) return 0;
   // timing information
   double result = 0;
   if ( dtseg->phiSegment() == 0 ) return 0; 
   int phiHits = dtseg->phiSegment()->specificRecHits().size();
   LogTrace(category_) << "phiHits " << phiHits;
   if ( phiHits > 5 ) {
     if(dtseg->phiSegment()->ist0Valid()) result = dtseg->phiSegment()->t0();
     if (dtseg->phiSegment()->ist0Valid()){
       LogTrace(category_) << " Phi t0: " << dtseg->phiSegment()->t0() << " hits: " << phiHits;
     } else {
       LogTrace(category_) << " Phi t0 is invalid: " << dtseg->phiSegment()->t0() << " hits: " << phiHits;
     }
   }

   return result;

}

MuonTrajectoryBuilder::TrajectoryContainer CosmicMuonTrajectoryBuilder::trajectories ( const TrajectorySeed &  seed )

virtual

build trajectories from seed

Implements MuonTrajectoryBuilder.

Definition at line 130 of file CosmicMuonTrajectoryBuilder.cc.

References alongMomentum, backwardUpdator(), PV3DBase< T, PVType, FrameType >::basicVector(), buildSecondHalf(), category_, Trajectory::chiSquared(), DirectMuonNavigation::compatibleEndcapLayers(), DirectMuonNavigation::compatibleLayers(), MuonSubdetId::CSC, debug, dir, Trajectory::direction(), Basic3DVector< T >::dot(), MuonSubdetId::DT, Trajectory::empty(), GeomDetEnumerators::endcap, estimateDirection(), MuonTrajectoryUpdator::estimator(), PV3DBase< T, PVType, FrameType >::eta(), findBestMeasurements(), Trajectory::firstMeasurement(), flipTrajectory(), TrajectoryStateOnSurface::freeState(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), reco::if(), incrementChamberCounters(), insideOut, TrajectoryStateOnSurface::isValid(), Trajectory::isValid(), Trajectory::lastMeasurement(), LogTrace, PV3DBase< T, PVType, FrameType >::mag(), Trajectory::measurements(), navigation(), oppositeToMomentum, outsideIn, Trajectory::pop(), propagator(), MuonDetLayerMeasurements::recHits(), TrajectoryStateOnSurface::rescaleError(), query::result, reverseTrajectoryPropagationDirection(), selfDuplicate(), MuonTrajectoryUpdator::setFitDirection(), TrajectorySeed::startingState(), edmStreamStallGrapher::t, theBKUpdator, theLayerMeasurements, theService, theSmoother, theStrict1LegFlag, theTraversingMuonFlag, CosmicMuonSmoother::trajectories(), trajectoryStateTransform::transientState(), unusedHits(), MuonTrajectoryUpdator::update(), TrajectoryMeasurement::updatedState(), updator(), utilities(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                    {

  vector<Trajectory*> trajL = vector<Trajectory*>();
  
  MuonPatternRecoDumper debug;

  PTrajectoryStateOnDet ptsd1(seed.startingState());
  DetId did(ptsd1.detId());
  const BoundPlane& bp = theService->trackingGeometry()->idToDet(did)->surface();
  TrajectoryStateOnSurface lastTsos = trajectoryStateTransform::transientState(ptsd1,&bp,&*theService->magneticField());
  LogTrace(category_) << "Seed: mom "<<lastTsos.globalMomentum()
                  <<"pos: " <<lastTsos.globalPosition();
  LogTrace(category_)  << "Seed: mom eta "<<lastTsos.globalMomentum().eta()
                          <<"pos eta: " <<lastTsos.globalPosition().eta();
  
  bool beamhaloFlag =  ( (did.subdetId() == MuonSubdetId::CSC) && fabs(lastTsos.globalMomentum().eta()) > 4.0);

  vector<const DetLayer*> navLayers;

  if (did.subdetId() == MuonSubdetId::DT) {
    //DT
    navLayers = navigation()->compatibleLayers(*(lastTsos.freeState()), alongMomentum);
  } 
  else if (beamhaloFlag || (theTraversingMuonFlag && theStrict1LegFlag)) {
    //CSC
    navLayers = navigation()->compatibleEndcapLayers(*(lastTsos.freeState()), alongMomentum);
  } else {
    navLayers = navigation()->compatibleLayers(*(lastTsos.freeState()), alongMomentum);
  }

  LogTrace(category_) <<"found "<<navLayers.size()<<" compatible DetLayers for the Seed";

  if (navLayers.empty()) return trajL;
  
  vector<DetWithState> detsWithStates;
  LogTrace(category_) << "Compatible layers: ";
  for ( vector<const DetLayer*>::const_iterator layer = navLayers.begin();
        layer != navLayers.end(); layer++) {
    LogTrace(category_) << debug.dumpMuonId((*layer)->basicComponents().front()->geographicalId()) 
                        << debug.dumpLayer(*layer);
  }

  detsWithStates = navLayers.front()->compatibleDets(lastTsos, *propagator(), *(updator()->estimator()));
  LogTrace(category_) << "Number of compatible dets: " << detsWithStates.size() << endl;

  if ( !detsWithStates.empty() ) {
    // get the updated TSOS
    if ( detsWithStates.front().second.isValid() ) {
      LogTrace(category_) << "New starting TSOS is on det: " << endl;
      LogTrace(category_) << debug.dumpMuonId(detsWithStates.front().first->geographicalId())
                        << debug.dumpLayer(navLayers.front());
      lastTsos = detsWithStates.front().second;
      LogTrace(category_) << "Seed after extrapolation: mom " << lastTsos.globalMomentum()
                          << "pos: " << lastTsos.globalPosition();
    }
  }
  detsWithStates.clear();
  if ( !lastTsos.isValid() ) return trajL;

  TrajectoryStateOnSurface secondLast = lastTsos;

  lastTsos.rescaleError(10.0);

  Trajectory* theTraj = new Trajectory(seed,alongMomentum);

  navLayers.clear();

  if (fabs(lastTsos.globalMomentum().eta()) < 1.0) {
    //DT
    navLayers = navigation()->compatibleLayers(*(lastTsos.freeState()), alongMomentum);
  } else if (beamhaloFlag || (theTraversingMuonFlag && theStrict1LegFlag)) {
    //CSC
    navLayers = navigation()->compatibleEndcapLayers(*(lastTsos.freeState()), alongMomentum);
  } else {
    navLayers = navigation()->compatibleLayers(*(lastTsos.freeState()), alongMomentum);
  }


  int DTChamberUsedBack = 0;
  int CSCChamberUsedBack = 0;
  int RPCChamberUsedBack = 0;
  int TotalChamberUsedBack = 0;
  MuonTransientTrackingRecHit::MuonRecHitContainer allUnusedHits;
  vector<TrajectoryMeasurement> measL;

  LogTrace(category_) << "Begin forward fit " << navLayers.size();

  for ( vector<const DetLayer*>::const_iterator rnxtlayer = navLayers.begin(); rnxtlayer!= navLayers.end(); ++rnxtlayer) {
     LogTrace(category_) << "new layer ";
     measL.clear();
     LogTrace(category_) << debug.dumpMuonId((*rnxtlayer)->basicComponents().front()->geographicalId())
                         << debug.dumpLayer(*rnxtlayer);
     LogTrace(category_) << "from lastTsos " << lastTsos.globalMomentum()<< " at " <<lastTsos.globalPosition();
 
     measL = findBestMeasurements(*rnxtlayer, lastTsos, propagator(), (updator()->estimator()));

     if ( measL.empty() &&  (fabs(theService->magneticField()->inTesla(GlobalPoint(0,0,0)).z()) < 0.01) && (theService->propagator("StraightLinePropagator").isValid() ) )  {
       LogTrace(category_) << "try straight line propagator ";
       measL = findBestMeasurements(*rnxtlayer, lastTsos, &*theService->propagator("StraightLinePropagator"), (updator()->estimator()));
     }
     if ( measL.empty() ) continue;

     for (vector<TrajectoryMeasurement>::const_iterator theMeas = measL.begin(); theMeas != measL.end(); ++theMeas) {
       pair<bool,TrajectoryStateOnSurface> result = updator()->update((&*theMeas), *theTraj, propagator());

       if (result.first ) {
         LogTrace(category_) << "update ok ";
         incrementChamberCounters((*rnxtlayer), DTChamberUsedBack, CSCChamberUsedBack, RPCChamberUsedBack, TotalChamberUsedBack);
         secondLast = lastTsos;
         if ( (!theTraj->empty()) && result.second.isValid() ) {
           lastTsos = result.second;
           LogTrace(category_) << "get new lastTsos here " << lastTsos.globalMomentum() << " at " << lastTsos.globalPosition();
         }  else if ((theMeas)->predictedState().isValid()) lastTsos = (theMeas)->predictedState();
       }
     }
  } 
  measL.clear();
  while (!theTraj->empty()) {
    theTraj->pop();
  }

  if (!theTraj->isValid() || TotalChamberUsedBack < 2 || (DTChamberUsedBack+CSCChamberUsedBack) == 0 || !lastTsos.isValid()) {
    delete theTraj;
    return trajL;
  }
  delete theTraj;


  // if got good trajectory, then do backward refitting
  DTChamberUsedBack = 0;
  CSCChamberUsedBack = 0;
  RPCChamberUsedBack = 0;
  TotalChamberUsedBack = 0;

  Trajectory myTraj(seed, oppositeToMomentum);

  // set starting navigation direction for MuonTrajectoryUpdator

  GlobalPoint lastPos = lastTsos.globalPosition();
  GlobalPoint secondLastPos = secondLast.globalPosition();
  GlobalVector momDir = secondLastPos - lastPos;

  if ( lastPos.basicVector().dot(momDir.basicVector()) > 0 ) { 
//      LogTrace("CosmicMuonTrajectoryBuilder")<<"Fit direction changed to insideOut";
      theBKUpdator->setFitDirection(insideOut);
    } else theBKUpdator->setFitDirection(outsideIn);

  if (fabs(lastTsos.globalMomentum().eta()) < 1.0) {
    //DT
    navLayers = navigation()->compatibleLayers(*(lastTsos.freeState()), oppositeToMomentum);
  } else if (beamhaloFlag || (theTraversingMuonFlag && theStrict1LegFlag)) {
    //CSC
    std::reverse(navLayers.begin(), navLayers.end());
  } else {
    navLayers = navigation()->compatibleLayers(*(lastTsos.freeState()), oppositeToMomentum);  
  } 

  LogTrace(category_) << "Begin backward refitting, with " << navLayers.size() << " layers" << endl;

  for (vector<const DetLayer*>::const_iterator rnxtlayer = navLayers.begin();
      rnxtlayer!= navLayers.end(); ++rnxtlayer) {

     measL.clear();

     measL = findBestMeasurements(*rnxtlayer, lastTsos, propagator(), (backwardUpdator()->estimator()));

     if ( measL.empty() ) {
         MuonTransientTrackingRecHit::MuonRecHitContainer tmpHits = theLayerMeasurements->recHits(*rnxtlayer);
         for (MuonRecHitContainer::const_iterator ihit = tmpHits.begin();
                                           ihit != tmpHits.end(); ++ihit ) {
         allUnusedHits.push_back(*ihit);
         } 
         continue;
      }

     for (vector<TrajectoryMeasurement>::const_iterator theMeas = measL.begin(); theMeas != measL.end(); ++theMeas) {

      // if the part change, we need to reconsider the fit direction
       if (rnxtlayer != navLayers.begin()) {

         vector<const DetLayer*>::const_iterator lastlayer = rnxtlayer;
         lastlayer--;

         if ( (*rnxtlayer)->location() != (*lastlayer)->location() ) {

           lastPos = lastTsos.globalPosition();
           GlobalPoint thisPos = (theMeas)->predictedState().globalPosition();
           GlobalVector momDir = thisPos - lastPos;
//         LogTrace("CosmicMuonTrajectoryBuilder")<<"momDir "<<momDir;
 
           if ( momDir.mag() > 0.01 ) { //if lastTsos is on the surface, no need
             if ( thisPos.basicVector().dot(momDir.basicVector()) > 0 ) {
               theBKUpdator->setFitDirection(insideOut);
             } else theBKUpdator->setFitDirection(outsideIn);
           }
         }
         if ( ((*lastlayer)->location() == GeomDetEnumerators::endcap) && 
              ((*rnxtlayer)->location() == GeomDetEnumerators::endcap) && 
              (lastTsos.globalPosition().z() * (theMeas)->predictedState().globalPosition().z() < 0)  ) {
           theBKUpdator->setFitDirection(insideOut);
         }
     }

//       if (theBKUpdator->fitDirection() == insideOut) 
//          LogTrace("CosmicMuonTrajectoryBuilder")<<"Fit direction insideOut";
//       else LogTrace("CosmicMuonTrajectoryBuilder")<<"Fit direction outsideIn";
         pair<bool,TrajectoryStateOnSurface> bkresult
              = backwardUpdator()->update((&*theMeas), myTraj, propagator());

         if (bkresult.first ) {

              incrementChamberCounters((*rnxtlayer), DTChamberUsedBack, CSCChamberUsedBack, RPCChamberUsedBack, TotalChamberUsedBack);

            if ( theTraversingMuonFlag ) {

              MuonRecHitContainer tmpUnusedHits = unusedHits(*rnxtlayer,*theMeas);
              allUnusedHits.insert(allUnusedHits.end(),tmpUnusedHits.begin(),tmpUnusedHits.end());
            }
            if ( (!myTraj.empty()) && bkresult.second.isValid() ) 
               lastTsos = bkresult.second;
            else if ((theMeas)->predictedState().isValid()) 
               lastTsos = (theMeas)->predictedState();
          }
       }
  }

  for ( vector<Trajectory*>::iterator t = trajL.begin(); t != trajL.end(); ++t ) delete *t;

  trajL.clear();

  if (( !myTraj.isValid() ) || ( myTraj.empty() ) || ( (selfDuplicate(myTraj)) )|| TotalChamberUsedBack < 2 || (DTChamberUsedBack+CSCChamberUsedBack) < 1) {
      return trajL;
  }

  if ( theTraversingMuonFlag && ( allUnusedHits.size() >= 2 )) { 
//      LogTrace(category_)<<utilities()->print(allUnusedHits);
      LogTrace(category_)<<"Building trajectory in second hemisphere...";
      buildSecondHalf(myTraj);
      // check if traversing trajectory has hits in both hemispheres

      if ( theStrict1LegFlag && !utilities()->isTraversing(myTraj) ) {trajL.clear(); return trajL;}
  } else if (theStrict1LegFlag && theTraversingMuonFlag) {trajL.clear(); return trajL;} 

  LogTrace(category_) <<" traj ok ";

//     getDirectionByTime(myTraj);
  if (beamhaloFlag) estimateDirection(myTraj);
  if ( myTraj.empty() ) return trajL;

  // try to smooth it 
  vector<Trajectory> smoothed = theSmoother->trajectories(myTraj); 

  if ( !smoothed.empty() && smoothed.front().foundHits()> 3 )  {  
    LogTrace(category_) <<" Smoothed successfully."; 
    myTraj = smoothed.front(); 
  } 
  else {  
    LogTrace(category_) <<" Smooth failed."; 
  } 

  LogTrace(category_) <<"first "<< myTraj.firstMeasurement().updatedState()
                      <<"\n last "<<myTraj.lastMeasurement().updatedState();
  if ( myTraj.direction() == alongMomentum ) LogTrace(category_)<<"alongMomentum";
  else if (myTraj.direction() == oppositeToMomentum ) LogTrace(category_)<<"oppositeMomentum";
  else LogTrace(category_)<<"anyDirection";

  if (!beamhaloFlag) {
      if ( myTraj.lastMeasurement().updatedState().globalMomentum().y() > 0 ) {
          LogTrace(category_)<<"flip trajectory ";
          flipTrajectory(myTraj);
      }

      if ( ( myTraj.direction() == alongMomentum && 
           (myTraj.firstMeasurement().updatedState().globalPosition().y() 
           < myTraj.lastMeasurement().updatedState().globalPosition().y()))
        || (myTraj.direction() == oppositeToMomentum && 
           (myTraj.firstMeasurement().updatedState().globalPosition().y() 
           > myTraj.lastMeasurement().updatedState().globalPosition().y())) ) {
           LogTrace(category_)<<"reverse propagation direction";
          reverseTrajectoryPropagationDirection(myTraj); 
      }
  }
//  getDirectionByTime(myTraj);
  if ( !myTraj.isValid() ) return trajL;

  // check direction agree with position!
  PropagationDirection dir = myTraj.direction();
  GlobalVector dirFromPos = myTraj.measurements().back().recHit()->globalPosition() - myTraj.measurements().front().recHit()->globalPosition();

  if ( theStrict1LegFlag && !utilities()->isTraversing(myTraj) ) {trajL.clear(); return trajL;}

  LogTrace(category_)<< "last hit " <<myTraj.measurements().back().recHit()->globalPosition()<<endl;
  LogTrace(category_)<< "first hit " <<myTraj.measurements().front().recHit()->globalPosition()<<endl;

  LogTrace(category_)<< "last tsos " <<myTraj.measurements().back().updatedState().globalPosition()<<" mom "<<myTraj.measurements().back().updatedState().globalMomentum()<<endl;
  LogTrace(category_)<< "first tsos " <<myTraj.measurements().front().updatedState().globalPosition()<<" mom "<<myTraj.measurements().front().updatedState().globalMomentum()<<endl;

  PropagationDirection propDir =
      ( dirFromPos.basicVector().dot(myTraj.firstMeasurement().updatedState().globalMomentum().basicVector()) > 0) ? alongMomentum : oppositeToMomentum;
  LogTrace(category_)<<" dir "<<dir <<" propDir "<<propDir<<endl;

  LogTrace(category_)<<"chi2 "<<myTraj.chiSquared() <<endl;

  if (dir != propDir ) {
      LogTrace(category_)<< "reverse propagation direction ";
      reverseTrajectoryPropagationDirection(myTraj);
  }
  if ( myTraj.empty() ) return trajL;

  trajL.push_back(new Trajectory(myTraj));
  navLayers.clear();
  return trajL;
}

virtual CandidateContainer CosmicMuonTrajectoryBuilder::trajectories ( const TrackCand &  )

inlinevirtual

dummy implementation, unused in this class

Implements MuonTrajectoryBuilder.

Definition at line 52 of file CosmicMuonTrajectoryBuilder.h.

                                                            {
    return CandidateContainer();
  }

MuonTransientTrackingRecHit::MuonRecHitContainer CosmicMuonTrajectoryBuilder::unusedHits ( const DetLayer *  layer, const TrajectoryMeasurement &  meas  ) const

private

Definition at line 449 of file CosmicMuonTrajectoryBuilder.cc.

References category_, LogTrace, TrajectoryMeasurement::recHit(), MuonDetLayerMeasurements::recHits(), query::result, and theLayerMeasurements.

Referenced by trajectories().

                                                                                                      {

  MuonTransientTrackingRecHit::MuonRecHitContainer tmpHits = theLayerMeasurements->recHits(layer);
  MuonRecHitContainer result;
  for (MuonRecHitContainer::const_iterator ihit = tmpHits.begin();
       ihit != tmpHits.end(); ++ihit ) {
       if ((*ihit)->geographicalId() != meas.recHit()->geographicalId() ){ 
         result.push_back(*ihit);
         LogTrace(category_) << "Unused hit: " << (*ihit)->globalPosition() << endl;
    }
  }

  return result;

}

MuonTrajectoryUpdator* CosmicMuonTrajectoryBuilder::updator ( ) const

inline

Definition at line 65 of file CosmicMuonTrajectoryBuilder.h.

References theUpdator.

Referenced by build(), and trajectories().

{return theUpdator;}

const CosmicMuonUtilities* CosmicMuonTrajectoryBuilder::utilities ( ) const

inline

Definition at line 71 of file CosmicMuonTrajectoryBuilder.h.

References smoother(), and CosmicMuonSmoother::utilities().

Referenced by estimateDirection(), flipTrajectory(), and trajectories().

{return smoother()->utilities();}

Member Data Documentation

std::string CosmicMuonTrajectoryBuilder::category_

private

Definition at line 133 of file CosmicMuonTrajectoryBuilder.h.

Referenced by build(), buildSecondHalf(), checkDirectionByT0(), CosmicMuonTrajectoryBuilder(), estimateDirection(), flipTrajectory(), getDirectionByTime(), intermediateState(), setEvent(), t0(), trajectories(), unusedHits(), and ~CosmicMuonTrajectoryBuilder().

edm::Handle<CSCRecHit2DCollection> CosmicMuonTrajectoryBuilder::cschits_

private

Definition at line 138 of file CosmicMuonTrajectoryBuilder.h.

Referenced by getDirectionByTime().

edm::Handle<DTRecHitCollection> CosmicMuonTrajectoryBuilder::dthits_

private

Definition at line 139 of file CosmicMuonTrajectoryBuilder.h.

Referenced by getDirectionByTime().

MuonBestMeasurementFinder* CosmicMuonTrajectoryBuilder::theBestMeasurementFinder

private

Definition at line 126 of file CosmicMuonTrajectoryBuilder.h.

Referenced by bestMeasurementFinder(), CosmicMuonTrajectoryBuilder(), findBestMeasurements(), and ~CosmicMuonTrajectoryBuilder().

MuonTrajectoryUpdator* CosmicMuonTrajectoryBuilder::theBKUpdator

private

Definition at line 120 of file CosmicMuonTrajectoryBuilder.h.

Referenced by backwardUpdator(), build(), CosmicMuonTrajectoryBuilder(), trajectories(), and ~CosmicMuonTrajectoryBuilder().

unsigned long long CosmicMuonTrajectoryBuilder::theCacheId_DG

private

Definition at line 137 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), and setEvent().

MuonDetLayerMeasurements* CosmicMuonTrajectoryBuilder::theLayerMeasurements

private

Definition at line 121 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), findBestMeasurements(), setEvent(), trajectories(), unusedHits(), and ~CosmicMuonTrajectoryBuilder().

DirectMuonNavigation* CosmicMuonTrajectoryBuilder::theNavigation

private

Definition at line 116 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), navigation(), setEvent(), and ~CosmicMuonTrajectoryBuilder().

edm::ParameterSet CosmicMuonTrajectoryBuilder::theNavigationPSet

private

Definition at line 117 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), and setEvent().

int CosmicMuonTrajectoryBuilder::theNSuccess

private

Definition at line 135 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), and ~CosmicMuonTrajectoryBuilder().

int CosmicMuonTrajectoryBuilder::theNTraversing

private

Definition at line 134 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), and ~CosmicMuonTrajectoryBuilder().

std::string CosmicMuonTrajectoryBuilder::thePropagatorName

private

Definition at line 128 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), and propagator().

const MuonServiceProxy* CosmicMuonTrajectoryBuilder::theService

private

Definition at line 123 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), estimateDirection(), flipTrajectory(), propagator(), propagatorAlong(), propagatorOpposite(), setEvent(), and trajectories().

CosmicMuonSmoother* CosmicMuonTrajectoryBuilder::theSmoother

private

Definition at line 124 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), estimateDirection(), flipTrajectory(), smoother(), trajectories(), and ~CosmicMuonTrajectoryBuilder().

bool CosmicMuonTrajectoryBuilder::theStrict1LegFlag

private

Definition at line 131 of file CosmicMuonTrajectoryBuilder.h.

Referenced by build(), CosmicMuonTrajectoryBuilder(), and trajectories().

bool CosmicMuonTrajectoryBuilder::theTraversingMuonFlag

private

Definition at line 130 of file CosmicMuonTrajectoryBuilder.h.

Referenced by build(), CosmicMuonTrajectoryBuilder(), and trajectories().

MuonTrajectoryUpdator* CosmicMuonTrajectoryBuilder::theUpdator

private

Definition at line 119 of file CosmicMuonTrajectoryBuilder.h.

Referenced by CosmicMuonTrajectoryBuilder(), updator(), and ~CosmicMuonTrajectoryBuilder().