TSGFromPropagation Class Reference

#include <TSGFromPropagation.h>

Inheritance diagram for TSGFromPropagation:

Classes
struct	increasingEstimate
struct	isInvalid

Public Member Functions
void	init (const MuonServiceProxy *) override
	initialize More...
void	setEvent (const edm::Event &) override
	set an event More...
void	trackerSeeds (const TrackCand &, const TrackingRegion &, const TrackerTopology *, std::vector< TrajectorySeed > &) override
	generate seed(s) for a track More...
	TSGFromPropagation (const edm::ParameterSet &pset, edm::ConsumesCollector &iC)
	constructor More...
	TSGFromPropagation (const edm::ParameterSet &par, edm::ConsumesCollector &iC, const MuonServiceProxy *)
	~TSGFromPropagation () override
	destructor More...
Public Member Functions inherited from TrackerSeedGenerator
const edm::Event *	getEvent () const
	TrackerSeedGenerator ()
virtual void	trackerSeeds (const TrackCand &, const TrackingRegion &, const TrackerTopology *, BTSeedCollection &)
virtual	~TrackerSeedGenerator ()
	destructor More...

Private Member Functions
void	adjust (FreeTrajectoryState &) const
	adjust the error matrix of the FTS More...
void	adjust (TrajectoryStateOnSurface &) const
	adjust the error matrix of the TSOS More...
TrajectorySeed	createSeed (const TrajectoryStateOnSurface &, const DetId &) const
	create a hitless seed from a trajectory state More...
TrajectorySeed	createSeed (const TrajectoryStateOnSurface &tsos, const edm::OwnVector< TrackingRecHit > &container, const DetId &id) const
	create a seed from a trajectory state More...
double	dxyDis (const TrajectoryStateOnSurface &tsos) const
const Chi2MeasurementEstimator *	estimator () const
std::vector< TrajectoryMeasurement >	findMeasurements (const DetLayer *, const TrajectoryStateOnSurface &) const
	look for measurements on the first compatible layer More...
void	getRescalingFactor (const TrackCand &staMuon)
TrajectoryStateOnSurface	innerState (const TrackCand &) const
TrajectoryStateOnSurface	outerTkState (const TrackCand &) const
bool	passSelection (const TrajectoryStateOnSurface &) const
	check some quantity and beam-spot compatibility and decide to continue More...
edm::ESHandle< Propagator >	propagator () const
const TrajectoryStateUpdator *	updator () const
void	validMeasurements (std::vector< TrajectoryMeasurement > &) const
	select valid measurements More...
double	zDis (const TrajectoryStateOnSurface &tsos) const

Private Attributes
edm::Handle< reco::BeamSpot >	beamSpot
bool	theAdjustAtIp
edm::InputTag	theBeamSpotInputTag
edm::EDGetTokenT< reco::BeamSpot >	theBeamSpotToken
unsigned long long	theCacheId_MT
unsigned long long	theCacheId_TG
std::string	theCategory
edm::ParameterSet	theConfig
MuonErrorMatrix *	theErrorMatrixAdjuster
const Chi2MeasurementEstimator *	theEstimator
double	theFixedErrorRescaling
double	theFlexErrorRescaling
double	theMaxChi2
edm::ESHandle< MeasurementTracker >	theMeasTracker
edm::Handle< MeasurementTrackerEvent >	theMeasTrackerEvent
std::string	theMeasTrackerName
edm::InputTag	theMeasurementTrackerEventTag
edm::EDGetTokenT< MeasurementTrackerEvent >	theMeasurementTrackerEventToken
const DirectTrackerNavigation *	theNavigation
std::string	thePropagatorName
std::string	theResetMethod
bool	theSelectStateFlag
const MuonServiceProxy *	theService
double	theSigmaZ
edm::ESHandle< GeometricSearchTracker >	theTracker
TrajectoryStateTransform *	theTSTransformer
bool	theUpdateStateFlag
const TrajectoryStateUpdator *	theUpdator
bool	theUseVertexStateFlag

Additional Inherited Members
Public Types inherited from TrackerSeedGenerator
typedef std::vector< TrajectorySeed >	BTSeedCollection
typedef std::pair< const Trajectory *, reco::TrackRef >	TrackCand
Protected Attributes inherited from TrackerSeedGenerator
const edm::Event *	theEvent
const MuonServiceProxy *	theProxyService

Detailed Description

Author

Chang Liu - Purdue University

Tracker Seed Generator by propagating and updating a standAlone muon to the first 2 (or 1) rechits it meets in tracker system

Author

Chang Liu - Purdue University

Definition at line 31 of file TSGFromPropagation.h.

Constructor & Destructor Documentation

TSGFromPropagation::TSGFromPropagation	(	const edm::ParameterSet &	pset,
		edm::ConsumesCollector &	iC
	)

constructor

Definition at line 29 of file TSGFromPropagation.cc.

    : TSGFromPropagation(iConfig, iC, nullptr) {}

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

Definition at line 32 of file TSGFromPropagation.cc.

References edm::ConsumesCollector::consumes(), edm::ParameterSet::getParameter(), AlCaHLTBitMon_QueryRunRegistry::string, theBeamSpotInputTag, theBeamSpotToken, theCategory, theConfig, theMeasTrackerName, theMeasurementTrackerEventTag, and theMeasurementTrackerEventToken.

    : theTracker(nullptr),
      theMeasTracker(nullptr),
      theNavigation(nullptr),
      theService(service),
      theUpdator(nullptr),
      theEstimator(nullptr),
      theTSTransformer(nullptr),
      theSigmaZ(0),
      theConfig(iConfig) {
  theCategory = "Muon|RecoMuon|TSGFromPropagation";
  theMeasTrackerName = iConfig.getParameter<std::string>("MeasurementTrackerName");
  theMeasurementTrackerEventTag = iConfig.getParameter<edm::InputTag>("MeasurementTrackerEvent");
  theBeamSpotInputTag = theConfig.getParameter<edm::InputTag>("beamSpot");
  theBeamSpotToken = iC.consumes<reco::BeamSpot>(theBeamSpotInputTag);
  theMeasurementTrackerEventToken = iC.consumes<MeasurementTrackerEvent>(theMeasurementTrackerEventTag);
}

TSGFromPropagation::~TSGFromPropagation ( )

override

destructor

Definition at line 52 of file TSGFromPropagation.cc.

References LogTrace, theCategory, theErrorMatrixAdjuster, theEstimator, theNavigation, and theUpdator.

                                        {
  LogTrace(theCategory) << " TSGFromPropagation dtor called ";
  if (theNavigation)
    delete theNavigation;
  if (theUpdator)
    delete theUpdator;
  if (theEstimator)
    delete theEstimator;
  if (theErrorMatrixAdjuster)
    delete theErrorMatrixAdjuster;
}

Member Function Documentation

void TSGFromPropagation::adjust ( FreeTrajectoryState &  state ) const

private

adjust the error matrix of the FTS

Definition at line 356 of file TSGFromPropagation.cc.

References FreeTrajectoryState::curvilinearError(), MuonErrorMatrix::get(), FreeTrajectoryState::momentum(), MuonErrorMatrix::multiply(), FreeTrajectoryState::parameters(), FreeTrajectoryState::rescaleError(), theErrorMatrixAdjuster, theFixedErrorRescaling, theFlexErrorRescaling, and theResetMethod.

Referenced by innerState(), outerTkState(), and propagator().

                                                                {
  //rescale the error
  if (theResetMethod == "discreate") {
    state.rescaleError(theFlexErrorRescaling);
    return;
  }

  //rescale the error
  if (theResetMethod == "fixed" || !theErrorMatrixAdjuster) {
    state.rescaleError(theFixedErrorRescaling);
    return;
  }

  CurvilinearTrajectoryError oMat = state.curvilinearError();
  CurvilinearTrajectoryError sfMat = theErrorMatrixAdjuster->get(state.momentum());  //FIXME with position
  MuonErrorMatrix::multiply(oMat, sfMat);

  state = FreeTrajectoryState(state.parameters(), oMat);
}

void TSGFromPropagation::adjust ( TrajectoryStateOnSurface &  state ) const

private

adjust the error matrix of the TSOS

Definition at line 376 of file TSGFromPropagation.cc.

References TrajectoryStateOnSurface::curvilinearError(), MuonErrorMatrix::get(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalParameters(), MuonErrorMatrix::multiply(), TrajectoryStateOnSurface::rescaleError(), TrajectoryStateOnSurface::surface(), TrajectoryStateOnSurface::surfaceSide(), theErrorMatrixAdjuster, theFixedErrorRescaling, theFlexErrorRescaling, theResetMethod, and TrajectoryStateOnSurface::weight().

                                                                     {
  //rescale the error
  if (theResetMethod == "discreate") {
    state.rescaleError(theFlexErrorRescaling);
    return;
  }

  if (theResetMethod == "fixed" || !theErrorMatrixAdjuster) {
    state.rescaleError(theFixedErrorRescaling);
    return;
  }

  CurvilinearTrajectoryError oMat = state.curvilinearError();
  CurvilinearTrajectoryError sfMat = theErrorMatrixAdjuster->get(state.globalMomentum());  //FIXME with position
  MuonErrorMatrix::multiply(oMat, sfMat);

  state =
      TrajectoryStateOnSurface(state.weight(), state.globalParameters(), oMat, state.surface(), state.surfaceSide());
}

TrajectorySeed TSGFromPropagation::createSeed ( const TrajectoryStateOnSurface &  tsos, const DetId &  id  ) const

private

create a hitless seed from a trajectory state

Definition at line 274 of file TSGFromPropagation.cc.

Referenced by propagator(), and trackerSeeds().

                                                                                                         {
  edm::OwnVector<TrackingRecHit> container;
  return createSeed(tsos, container, id);
}

TrajectorySeed TSGFromPropagation::createSeed ( const TrajectoryStateOnSurface &  tsos, const edm::OwnVector< TrackingRecHit > &  container, const DetId &  id  ) const

private

create a seed from a trajectory state

Definition at line 279 of file TSGFromPropagation.cc.

References oppositeToMomentum, and trajectoryStateTransform::persistentState().

                                                                     {
  PTrajectoryStateOnDet const& seedTSOS = trajectoryStateTransform::persistentState(tsos, id.rawId());
  return TrajectorySeed(seedTSOS, container, oppositeToMomentum);
}

double TSGFromPropagation::dxyDis ( const TrajectoryStateOnSurface &  tsos ) const

private

Definition at line 334 of file TSGFromPropagation.cc.

References TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), PV3DBase< T, PVType, FrameType >::perp(), PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by propagator().

                                                                            {
  return fabs(
      (-tsos.globalPosition().x() * tsos.globalMomentum().y() + tsos.globalPosition().y() * tsos.globalMomentum().x()) /
      tsos.globalMomentum().perp());
}

const Chi2MeasurementEstimator* TSGFromPropagation::estimator ( void  ) const

inlineprivate

Definition at line 60 of file TSGFromPropagation.h.

References theEstimator.

Referenced by findMeasurements(), and trackerSeeds().

{ return theEstimator; }

std::vector< TrajectoryMeasurement > TSGFromPropagation::findMeasurements ( const DetLayer *  nl, const TrajectoryStateOnSurface &  staState  ) const

private

look for measurements on the first compatible layer

Definition at line 292 of file TSGFromPropagation.cc.

References GeometricSearchDet::compatibleDets(), estimator(), MeasurementTrackerEvent::idToDet(), propagator(), mps_fire::result, theMeasTrackerEvent, and validMeasurements().

Referenced by propagator(), and trackerSeeds().

                                                                        {
  std::vector<TrajectoryMeasurement> result;

  std::vector<DetLayer::DetWithState> compatDets = nl->compatibleDets(staState, *propagator(), *estimator());
  if (compatDets.empty())
    return result;

  for (std::vector<DetLayer::DetWithState>::const_iterator idws = compatDets.begin(); idws != compatDets.end();
       ++idws) {
    if (idws->second.isValid() && (idws->first)) {
      std::vector<TrajectoryMeasurement> tmptm =
          theMeasTrackerEvent->idToDet(idws->first->geographicalId())
              .fastMeasurements(idws->second, idws->second, *propagator(), *estimator());
      validMeasurements(tmptm);
      //         if ( tmptm.size() > 2 ) {
      //            std::stable_sort(tmptm.begin(),tmptm.end(),increasingEstimate());
      //            result.insert(result.end(),tmptm.begin(), tmptm.begin()+2);
      //         } else {
      result.insert(result.end(), tmptm.begin(), tmptm.end());
      //         }
    }
  }

  return result;
}

void TSGFromPropagation::getRescalingFactor ( const TrackCand &  staMuon )

private

Definition at line 345 of file TSGFromPropagation.cc.

References DiDispStaMuonMonitor_cfi::pt, and theFlexErrorRescaling.

Referenced by propagator(), and trackerSeeds().

                                                                    {
  float pt = (staMuon.second)->pt();
  if (pt < 13.0)
    theFlexErrorRescaling = 3;
  else if (pt < 30.0)
    theFlexErrorRescaling = 5;
  else
    theFlexErrorRescaling = 10;
  return;
}

void TSGFromPropagation::init ( const MuonServiceProxy *  service )

overridevirtual

initialize

Reimplemented from TrackerSeedGenerator.

Definition at line 151 of file TSGFromPropagation.cc.

References Chi2MeasurementEstimator_cfi::Chi2MeasurementEstimator, HLT_2018_cff::errorMatrixPset, MuonErrorMatrix::get(), edm::ParameterSet::getParameter(), AlCaHLTBitMon_QueryRunRegistry::string, theAdjustAtIp, theCacheId_MT, theCacheId_TG, theConfig, theErrorMatrixAdjuster, theEstimator, theFixedErrorRescaling, theFlexErrorRescaling, theMaxChi2, theNavigation, thePropagatorName, theResetMethod, theSelectStateFlag, theService, theSigmaZ, theTracker, theUpdateStateFlag, theUpdator, and theUseVertexStateFlag.

                                                             {
  theMaxChi2 = theConfig.getParameter<double>("MaxChi2");

  theFixedErrorRescaling = theConfig.getParameter<double>("ErrorRescaling");

  theFlexErrorRescaling = 1.0;

  theResetMethod = theConfig.getParameter<std::string>("ResetMethod");

  if (theResetMethod != "discrete" && theResetMethod != "fixed" && theResetMethod != "matrix") {
    edm::LogError("TSGFromPropagation") << "Wrong error rescaling method: " << theResetMethod << "\n"
                                        << "Possible choices are: discrete, fixed, matrix.\n"
                                        << "Use discrete method" << std::endl;
    theResetMethod = "discrete";
  }

  theEstimator = new Chi2MeasurementEstimator(theMaxChi2);

  theCacheId_MT = 0;

  theCacheId_TG = 0;

  thePropagatorName = theConfig.getParameter<std::string>("Propagator");

  theService = service;

  theUseVertexStateFlag = theConfig.getParameter<bool>("UseVertexState");

  theUpdateStateFlag = theConfig.getParameter<bool>("UpdateState");

  theSelectStateFlag = theConfig.getParameter<bool>("SelectState");

  theUpdator = new KFUpdator();

  theSigmaZ = theConfig.getParameter<double>("SigmaZ");

  //theBeamSpotInputTag = theConfig.getParameter<edm::InputTag>("beamSpot");

  edm::ParameterSet errorMatrixPset = theConfig.getParameter<edm::ParameterSet>("errorMatrixPset");
  if (theResetMethod == "matrix" && !errorMatrixPset.empty()) {
    theAdjustAtIp = errorMatrixPset.getParameter<bool>("atIP");
    theErrorMatrixAdjuster = new MuonErrorMatrix(errorMatrixPset);
  } else {
    theAdjustAtIp = false;
    theErrorMatrixAdjuster = nullptr;
  }

  theService->eventSetup().get<TrackerRecoGeometryRecord>().get(theTracker);
  theNavigation = new DirectTrackerNavigation(theTracker);
}

TrajectoryStateOnSurface TSGFromPropagation::innerState ( const TrackCand &  staMuon ) const

private

Definition at line 235 of file TSGFromPropagation.cc.

References adjust(), alongMomentum, trajectoryStateTransform::innerStateOnSurface(), MuonServiceProxy::magneticField(), oppositeToMomentum, theService, and MuonServiceProxy::trackingGeometry().

Referenced by outerTkState().

                                                                                      {
  TrajectoryStateOnSurface innerTS;

  if (staMuon.first && staMuon.first->isValid()) {
    if (staMuon.first->direction() == alongMomentum) {
      innerTS = staMuon.first->firstMeasurement().updatedState();
    } else if (staMuon.first->direction() == oppositeToMomentum) {
      innerTS = staMuon.first->lastMeasurement().updatedState();
    }
  } else {
    innerTS = trajectoryStateTransform::innerStateOnSurface(
        *(staMuon.second), *theService->trackingGeometry(), &*theService->magneticField());
  }
  //rescale the error
  adjust(innerTS);

  return innerTS;

  //    return trajectoryStateTransform::innerStateOnSurface(*(staMuon.second),*theService->trackingGeometry(), &*theService->magneticField());
}

TrajectoryStateOnSurface TSGFromPropagation::outerTkState ( const TrackCand &  staMuon ) const

private

Definition at line 256 of file TSGFromPropagation.cc.

References adjust(), trajectoryStateTransform::initialFreeState(), innerState(), MuonServiceProxy::magneticField(), MuonServiceProxy::propagator(), propagator(), mps_fire::result, theService, and theUseVertexStateFlag.

Referenced by trackerSeeds().

                                                                                        {
  TrajectoryStateOnSurface result;

  if (theUseVertexStateFlag && staMuon.second->pt() > 1.0) {
    FreeTrajectoryState iniState =
        trajectoryStateTransform::initialFreeState(*(staMuon.second), &*theService->magneticField());
    //rescale the error at IP
    adjust(iniState);

    StateOnTrackerBound fromInside(&*(theService->propagator("PropagatorWithMaterial")));
    result = fromInside(iniState);
  } else {
    StateOnTrackerBound fromOutside(&*propagator());
    result = fromOutside(innerState(staMuon));
  }
  return result;
}

bool TSGFromPropagation::passSelection ( const TrajectoryStateOnSurface &  tsos ) const

private

check some quantity and beam-spot compatibility and decide to continue

Definition at line 319 of file TSGFromPropagation.cc.

References beamSpot, edm::HandleBase::isValid(), theSelectStateFlag, theSigmaZ, reco::BeamSpot::z0(), and zDis().

Referenced by propagator(), and trackerSeeds().

                                                                                 {
  if (!theSelectStateFlag)
    return true;
  else {
    if (beamSpot.isValid()) {
      return ((fabs(zDis(tsos) - beamSpot->z0()) < theSigmaZ));

    } else {
      return ((fabs(zDis(tsos)) < theSigmaZ));
      //      double theDxyCut = 100;
      //      return ( (zDis(tsos) < theSigmaZ) && (dxyDis(tsos) < theDxyCut) );
    }
  }
}

edm::ESHandle<Propagator> TSGFromPropagation::propagator ( ) const

inlineprivate

Definition at line 62 of file TSGFromPropagation.h.

References adjust(), createSeed(), dxyDis(), findMeasurements(), getRescalingFactor(), passSelection(), MuonServiceProxy::propagator(), thePropagatorName, theService, validMeasurements(), and zDis().

Referenced by findMeasurements(), outerTkState(), and trackerSeeds().

{ return theService->propagator(thePropagatorName); }

void TSGFromPropagation::setEvent ( const edm::Event &  iEvent )

overridevirtual

set an event

Reimplemented from TrackerSeedGenerator.

Definition at line 202 of file TSGFromPropagation.cc.

References beamSpot, MuonServiceProxy::eventSetup(), edm::EventSetup::get(), edm::Event::getByToken(), LogTrace, edm::ESHandle< T >::product(), theBeamSpotToken, theCacheId_MT, theCacheId_TG, theCategory, theMeasTracker, theMeasTrackerEvent, theMeasTrackerName, theMeasurementTrackerEventToken, theNavigation, theService, theTracker, and theUpdateStateFlag.

                                                        {
  iEvent.getByToken(theBeamSpotToken, beamSpot);

  unsigned long long newCacheId_MT = theService->eventSetup().get<CkfComponentsRecord>().cacheIdentifier();

  if (theUpdateStateFlag && newCacheId_MT != theCacheId_MT) {
    LogTrace(theCategory) << "Measurment Tracker Geometry changed!";
    theCacheId_MT = newCacheId_MT;
    theService->eventSetup().get<CkfComponentsRecord>().get(theMeasTrackerName, theMeasTracker);
  }

  if (theUpdateStateFlag) {
    iEvent.getByToken(theMeasurementTrackerEventToken, theMeasTrackerEvent);
  }

  bool trackerGeomChanged = false;

  unsigned long long newCacheId_TG = theService->eventSetup().get<TrackerRecoGeometryRecord>().cacheIdentifier();

  if (newCacheId_TG != theCacheId_TG) {
    LogTrace(theCategory) << "Tracker Reco Geometry changed!";
    theCacheId_TG = newCacheId_TG;
    theService->eventSetup().get<TrackerRecoGeometryRecord>().get(theTracker);
    trackerGeomChanged = true;
  }

  if (trackerGeomChanged && (theTracker.product() != nullptr)) {
    if (theNavigation)
      delete theNavigation;
    theNavigation = new DirectTrackerNavigation(theTracker);
  }
}

void TSGFromPropagation::trackerSeeds ( const TrackCand &  staMuon, const TrackingRegion &  region, const TrackerTopology *  tTopo, std::vector< TrajectorySeed > &  result  )

override

generate seed(s) for a track

Definition at line 64 of file TSGFromPropagation.cc.

References DirectTrackerNavigation::compatibleLayers(), createSeed(), estimator(), PV3DBase< T, PVType, FrameType >::eta(), findMeasurements(), TrajectoryStateOnSurface::freeState(), getRescalingFactor(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), mps_fire::i, TrajectoryStateOnSurface::isValid(), LogTrace, oppositeToMomentum, outerTkState(), passSelection(), PV3DBase< T, PVType, FrameType >::perp(), propagator(), edm::OwnVector< T, P >::push_back(), theCategory, theNavigation, theResetMethod, theUpdateStateFlag, TrajectoryStateUpdator::update(), and updator().

                                                                         {
  if (theResetMethod == "discrete")
    getRescalingFactor(staMuon);

  TrajectoryStateOnSurface staState = outerTkState(staMuon);

  if (!staState.isValid()) {
    LogTrace(theCategory) << "Error: initial state from L2 muon is invalid.";
    return;
  }

  LogTrace(theCategory) << "begin of trackerSeed:\n staState pos: " << staState.globalPosition()
                        << " mom: " << staState.globalMomentum() << "pos eta: " << staState.globalPosition().eta()
                        << "mom eta: " << staState.globalMomentum().eta();

  std::vector<const DetLayer*> nls = theNavigation->compatibleLayers(*(staState.freeState()), oppositeToMomentum);

  LogTrace(theCategory) << " compatible layers: " << nls.size();

  if (nls.empty())
    return;

  int ndesLayer = 0;

  bool usePredictedState = false;

  if (theUpdateStateFlag) {  //use updated states
    std::vector<TrajectoryMeasurement> alltm;

    for (std::vector<const DetLayer*>::const_iterator inl = nls.begin(); inl != nls.end(); inl++, ndesLayer++) {
      if ((*inl == nullptr))
        break;
      //         if ( (inl != nls.end()-1 ) && ( (*inl)->subDetector() == GeomDetEnumerators::TEC ) && ( (*(inl+1))->subDetector() == GeomDetEnumerators::TOB ) ) continue;
      alltm = findMeasurements(*inl, staState);
      if ((!alltm.empty())) {
        LogTrace(theCategory) << "final compatible layer: " << ndesLayer;
        break;
      }
    }

    if (alltm.empty()) {
      LogTrace(theCategory) << " NO Measurements Found: eta: " << staState.globalPosition().eta() << "pt "
                            << staState.globalMomentum().perp();
      usePredictedState = true;
    } else {
      LogTrace(theCategory) << " Measurements for seeds: " << alltm.size();
      std::stable_sort(alltm.begin(), alltm.end(), increasingEstimate());
      if (alltm.size() > 5)
        alltm.erase(alltm.begin() + 5, alltm.end());

      int i = 0;
      for (std::vector<TrajectoryMeasurement>::const_iterator itm = alltm.begin(); itm != alltm.end(); itm++, i++) {
        TrajectoryStateOnSurface updatedTSOS = updator()->update(itm->predictedState(), *(itm->recHit()));
        if (updatedTSOS.isValid() && passSelection(updatedTSOS)) {
          edm::OwnVector<TrackingRecHit> container;
          container.push_back(itm->recHit()->hit()->clone());
          TrajectorySeed ts = createSeed(updatedTSOS, container, itm->recHit()->geographicalId());
          result.push_back(ts);
        }
      }
      LogTrace(theCategory) << "result: " << result.size();
      return;
    }
  }

  if (!theUpdateStateFlag || usePredictedState) {  //use predicted states
    LogTrace(theCategory) << "use predicted state: ";
    for (std::vector<const DetLayer*>::const_iterator inl = nls.begin(); inl != nls.end(); inl++) {
      if (!result.empty() || *inl == nullptr) {
        break;
      }
      std::vector<DetLayer::DetWithState> compatDets = (*inl)->compatibleDets(staState, *propagator(), *estimator());
      LogTrace(theCategory) << " compatDets " << compatDets.size();
      if (compatDets.empty())
        continue;
      TrajectorySeed ts = createSeed(compatDets.front().second, compatDets.front().first->geographicalId());
      result.push_back(ts);
    }
    LogTrace(theCategory) << "result: " << result.size();
    return;
  }
  return;
}

const TrajectoryStateUpdator* TSGFromPropagation::updator ( ) const

inlineprivate

Definition at line 58 of file TSGFromPropagation.h.

References theUpdator.

Referenced by trackerSeeds().

{ return theUpdator; }

void TSGFromPropagation::validMeasurements ( std::vector< TrajectoryMeasurement > &  tms ) const

private

select valid measurements

Definition at line 286 of file TSGFromPropagation.cc.

Referenced by findMeasurements(), and propagator().

                                                                                      {
  std::vector<TrajectoryMeasurement>::iterator tmsend = std::remove_if(tms.begin(), tms.end(), isInvalid());
  tms.erase(tmsend, tms.end());
  return;
}

double TSGFromPropagation::zDis ( const TrajectoryStateOnSurface &  tsos ) const

private

Definition at line 340 of file TSGFromPropagation.cc.

References TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), PV3DBase< T, PVType, FrameType >::perp(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by passSelection(), and propagator().

                                                                          {
  return tsos.globalPosition().z() -
         tsos.globalPosition().perp() * tsos.globalMomentum().z() / tsos.globalMomentum().perp();
}

Member Data Documentation

edm::Handle<reco::BeamSpot> TSGFromPropagation::beamSpot

private

Definition at line 152 of file TSGFromPropagation.h.

Referenced by passSelection(), and setEvent().

bool TSGFromPropagation::theAdjustAtIp

private

Definition at line 146 of file TSGFromPropagation.h.

Referenced by init().

edm::InputTag TSGFromPropagation::theBeamSpotInputTag

private

Definition at line 153 of file TSGFromPropagation.h.

Referenced by TSGFromPropagation().

edm::EDGetTokenT<reco::BeamSpot> TSGFromPropagation::theBeamSpotToken

private

Definition at line 154 of file TSGFromPropagation.h.

Referenced by setEvent(), and TSGFromPropagation().

unsigned long long TSGFromPropagation::theCacheId_MT

private

Definition at line 106 of file TSGFromPropagation.h.

Referenced by init(), and setEvent().

unsigned long long TSGFromPropagation::theCacheId_TG

private

Definition at line 107 of file TSGFromPropagation.h.

Referenced by init(), and setEvent().

std::string TSGFromPropagation::theCategory

private

Definition at line 109 of file TSGFromPropagation.h.

Referenced by setEvent(), trackerSeeds(), TSGFromPropagation(), and ~TSGFromPropagation().

edm::ParameterSet TSGFromPropagation::theConfig

private

Definition at line 150 of file TSGFromPropagation.h.

Referenced by init(), and TSGFromPropagation().

MuonErrorMatrix* TSGFromPropagation::theErrorMatrixAdjuster

private

Definition at line 144 of file TSGFromPropagation.h.

Referenced by adjust(), init(), and ~TSGFromPropagation().

const Chi2MeasurementEstimator* TSGFromPropagation::theEstimator

private

Definition at line 124 of file TSGFromPropagation.h.

Referenced by estimator(), init(), and ~TSGFromPropagation().

double TSGFromPropagation::theFixedErrorRescaling

private

Definition at line 132 of file TSGFromPropagation.h.

Referenced by adjust(), and init().

double TSGFromPropagation::theFlexErrorRescaling

private

Definition at line 130 of file TSGFromPropagation.h.

Referenced by adjust(), getRescalingFactor(), and init().

double TSGFromPropagation::theMaxChi2

private

Definition at line 128 of file TSGFromPropagation.h.

Referenced by init().

edm::ESHandle<MeasurementTracker> TSGFromPropagation::theMeasTracker

private

Definition at line 114 of file TSGFromPropagation.h.

Referenced by setEvent().

edm::Handle<MeasurementTrackerEvent> TSGFromPropagation::theMeasTrackerEvent

private

Definition at line 116 of file TSGFromPropagation.h.

Referenced by findMeasurements(), and setEvent().

std::string TSGFromPropagation::theMeasTrackerName

private

Definition at line 113 of file TSGFromPropagation.h.

Referenced by setEvent(), and TSGFromPropagation().

edm::InputTag TSGFromPropagation::theMeasurementTrackerEventTag

private

Definition at line 115 of file TSGFromPropagation.h.

Referenced by TSGFromPropagation().

edm::EDGetTokenT<MeasurementTrackerEvent> TSGFromPropagation::theMeasurementTrackerEventToken

private

Definition at line 155 of file TSGFromPropagation.h.

Referenced by setEvent(), and TSGFromPropagation().

const DirectTrackerNavigation* TSGFromPropagation::theNavigation

private

Definition at line 118 of file TSGFromPropagation.h.

Referenced by init(), setEvent(), trackerSeeds(), and ~TSGFromPropagation().

std::string TSGFromPropagation::thePropagatorName

private

Definition at line 142 of file TSGFromPropagation.h.

Referenced by init(), and propagator().

std::string TSGFromPropagation::theResetMethod

private

Definition at line 138 of file TSGFromPropagation.h.

Referenced by adjust(), init(), and trackerSeeds().

bool TSGFromPropagation::theSelectStateFlag

private

Definition at line 140 of file TSGFromPropagation.h.

Referenced by init(), and passSelection().

const MuonServiceProxy* TSGFromPropagation::theService

private

Definition at line 120 of file TSGFromPropagation.h.

Referenced by init(), innerState(), outerTkState(), propagator(), and setEvent().

double TSGFromPropagation::theSigmaZ

private

Definition at line 148 of file TSGFromPropagation.h.

Referenced by init(), and passSelection().

edm::ESHandle<GeometricSearchTracker> TSGFromPropagation::theTracker

private

Definition at line 111 of file TSGFromPropagation.h.

Referenced by init(), and setEvent().

TrajectoryStateTransform* TSGFromPropagation::theTSTransformer

private

Definition at line 126 of file TSGFromPropagation.h.

bool TSGFromPropagation::theUpdateStateFlag

private

Definition at line 136 of file TSGFromPropagation.h.

Referenced by init(), setEvent(), and trackerSeeds().

const TrajectoryStateUpdator* TSGFromPropagation::theUpdator

private

Definition at line 122 of file TSGFromPropagation.h.

Referenced by init(), updator(), and ~TSGFromPropagation().

bool TSGFromPropagation::theUseVertexStateFlag

private

Definition at line 134 of file TSGFromPropagation.h.

Referenced by init(), and outerTkState().