TrackRefitter Class Reference

#include <TrackRefitter.h>

Inheritance diagram for TrackRefitter:

Public Member Functions
void	produce (edm::Event &, const edm::EventSetup &) override
	Implementation of produce method. More...
	TrackRefitter (const edm::ParameterSet &iConfig)
	Constructor. More...
Public Member Functions inherited from KfTrackProducerBase
	KfTrackProducerBase (bool trajectoryInEvent, bool split)
	Constructor. More...
virtual void	putInEvt (edm::Event &, const Propagator *prop, const MeasurementTracker *measTk, std::unique_ptr< TrackingRecHitCollection > &, std::unique_ptr< reco::TrackCollection > &, std::unique_ptr< reco::TrackExtraCollection > &, std::unique_ptr< std::vector< Trajectory > > &, std::unique_ptr< std::vector< int > > &, AlgoProductCollection &, TransientTrackingRecHitBuilder const *, const TrackerTopology *ttopo, int BeforeOrAfter=0)
	Put produced collections in the event. More...
Public Member Functions inherited from TrackProducerBase< reco::Track >
const edm::ParameterSet &	getConf () const
virtual void	getFromES (const edm::EventSetup &, edm::ESHandle< TrackerGeometry > &, edm::ESHandle< MagneticField > &, edm::ESHandle< TrajectoryFitter > &, edm::ESHandle< Propagator > &, edm::ESHandle< MeasurementTracker > &, edm::ESHandle< TransientTrackingRecHitBuilder > &)
	Get needed services from the Event Setup. More...
virtual void	getFromEvt (edm::Event &, edm::Handle< TrackCandidateCollection > &, reco::BeamSpot &)
	Get TrackCandidateCollection from the Event (needed by TrackProducer) More...
virtual void	getFromEvt (edm::Event &, edm::Handle< TrackView > &, reco::BeamSpot &)
	Get TrackCollection from the Event (needed by TrackRefitter) More...
void	setAlias (std::string alias)
	set the aliases of produced collections More...
void	setClusterRemovalInfo (const edm::InputTag &clusterRemovalInfo)
	Sets the information on cluster removal, and turns it on. More...
void	setConf (const edm::ParameterSet &conf)
	Set parameter set. More...
void	setSecondHitPattern (Trajectory *traj, reco::Track &track, const Propagator *prop, const MeasurementTrackerEvent *measTk, const TrackerTopology *ttopo)
void	setSrc (const edm::EDGetToken &src, const edm::EDGetTokenT< reco::BeamSpot > &bsSrc, const edm::EDGetTokenT< MeasurementTrackerEvent > &mteSrc)
	set label of source collection More...
	TrackProducerBase (bool trajectoryInEvent=false)
	Constructor. More...
virtual	~TrackProducerBase () noexcept(false)
	Destructor. More...
Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default
	EDProducer (const EDProducer &)=delete
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginProcessBlocks () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndProcessBlocks () const final
bool	hasAbilityToProduceInEndRuns () const final
const EDProducer &	operator= (const EDProducer &)=delete

Private Types
enum	Constraint { none, momentum, vertex, trackParameters }

Private Attributes
Constraint	constraint_
TrackProducerAlgorithm< reco::Track >	theAlgo
edm::EDGetToken	trkconstrcoll_

Additional Inherited Members
Public Types inherited from TrackProducerBase< reco::Track >
using	AlgoProductCollection = typename Base::AlgoProductCollection
using	Base = AlgoProductTraits< reco::Track >
using	TrackCollection = typename Base::TrackCollection
using	TrackView = typename Base::TrackView
Public Types inherited from AlgoProductTraits< reco::Track >
using	AlgoProductCollection = std::vector< AlgoProduct >
using	TrackCollection = std::vector< reco::Track >
using	TrackView = edm::View< reco::Track >
Public Types inherited from edm::stream::EDProducer<>
using	CacheTypes = CacheContexts< T... >
using	GlobalCache = typename CacheTypes::GlobalCache
using	HasAbility = AbilityChecker< T... >
using	InputProcessBlockCache = typename CacheTypes::InputProcessBlockCache
using	LuminosityBlockCache = typename CacheTypes::LuminosityBlockCache
using	LuminosityBlockContext = LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >
using	LuminosityBlockSummaryCache = typename CacheTypes::LuminosityBlockSummaryCache
using	RunCache = typename CacheTypes::RunCache
using	RunContext = RunContextT< RunCache, GlobalCache >
using	RunSummaryCache = typename CacheTypes::RunSummaryCache
Protected Attributes inherited from TrackProducerBase< reco::Track >
std::string	alias_
edm::EDGetTokenT< reco::BeamSpot >	bsSrc_
edm::InputTag	clusterRemovalInfo_
edm::ParameterSet	conf_
edm::EDGetTokenT< MeasurementTrackerEvent >	mteSrc_
bool	rekeyClusterRefs_
edm::OrphanHandle< TrackCollection >	rTracks_
edm::EDGetToken	src_
edm::ESHandle< NavigationSchool >	theSchool
bool	trajectoryInEvent_

Detailed Description

Refit Tracks: Produce Tracks from TrackCollection. It performs a new final fit on a TrackCollection.

Author

cerati

Definition at line 14 of file TrackRefitter.h.

Member Enumeration Documentation

Constraint

enum TrackRefitter::Constraint

private

Enumerator
none
momentum
vertex
trackParameters

Definition at line 24 of file TrackRefitter.h.

{ none, momentum, vertex, trackParameters };

Constructor & Destructor Documentation

TrackRefitter()

TrackRefitter::TrackRefitter ( const edm::ParameterSet &  iConfig )

explicit

Constructor.

Definition at line 16 of file TrackRefitter.cc.

    : KfTrackProducerBase(iConfig.getParameter<bool>("TrajectoryInEvent"),
                          iConfig.getParameter<bool>("useHitsSplitting")),
      theAlgo(iConfig) {
  setConf(iConfig);
  setSrc(consumes<edm::View<reco::Track>>(iConfig.getParameter<edm::InputTag>("src")),
         consumes<reco::BeamSpot>(iConfig.getParameter<edm::InputTag>("beamSpot")),
         consumes<MeasurementTrackerEvent>(iConfig.getParameter<edm::InputTag>("MeasurementTrackerEvent")));
  setAlias(iConfig.getParameter<std::string>("@module_label"));
  std::string constraint_str = iConfig.getParameter<std::string>("constraint");
  edm::InputTag trkconstrcoll = iConfig.getParameter<edm::InputTag>("srcConstr");
 
  if (constraint_str.empty())
    constraint_ = none;
  else if (constraint_str == "momentum") {
    constraint_ = momentum;
    trkconstrcoll_ = consumes<TrackMomConstraintAssociationCollection>(trkconstrcoll);
  } else if (constraint_str == "vertex") {
    constraint_ = vertex;
    trkconstrcoll_ = consumes<TrackVtxConstraintAssociationCollection>(trkconstrcoll);
  } else if (constraint_str == "trackParameters") {
    constraint_ = trackParameters;
    trkconstrcoll_ = consumes<TrackParamConstraintAssociationCollection>(trkconstrcoll);
  } else {
    edm::LogError("TrackRefitter")
        << "constraint: " << constraint_str
        << " not understood. Set it to 'momentum', 'vertex', 'trackParameters' or leave it empty";
    throw cms::Exception("TrackRefitter")
        << "unknown type of contraint! Set it to 'momentum', 'vertex', 'trackParameters' or leave it empty";
  }
 
  //register your products
  produces<reco::TrackCollection>().setBranchAlias(alias_ + "Tracks");
  produces<reco::TrackExtraCollection>().setBranchAlias(alias_ + "TrackExtras");
  produces<TrackingRecHitCollection>().setBranchAlias(alias_ + "RecHits");
  produces<std::vector<Trajectory>>();
  produces<std::vector<int>>();
  produces<TrajTrackAssociationCollection>();
}

References TrackProducerBase< reco::Track >::alias_, constraint_, Exception, edm::ParameterSet::getParameter(), momentum, none, TrackProducerBase< reco::Track >::setAlias(), TrackProducerBase< reco::Track >::setConf(), TrackProducerBase< reco::Track >::setSrc(), AlCaHLTBitMon_QueryRunRegistry::string, trackParameters, trkconstrcoll_, and vertex.

Member Function Documentation

produce()

void TrackRefitter::produce ( edm::Event &  theEvent, const edm::EventSetup &  setup  )

overridevirtual

Implementation of produce method.

Implements TrackProducerBase< reco::Track >.

Definition at line 56 of file TrackRefitter.cc.

                                                                          {
  LogDebug("TrackRefitter") << "Analyzing event number: " << theEvent.id() << "\n";
  //
  // create empty output collections
  //
  std::unique_ptr<TrackingRecHitCollection> outputRHColl(new TrackingRecHitCollection);
  std::unique_ptr<reco::TrackCollection> outputTColl(new reco::TrackCollection);
  std::unique_ptr<reco::TrackExtraCollection> outputTEColl(new reco::TrackExtraCollection);
  std::unique_ptr<std::vector<Trajectory>> outputTrajectoryColl(new std::vector<Trajectory>);
  std::unique_ptr<std::vector<int>> outputIndecesInputColl(new std::vector<int>);
 
  //
  //declare and get stuff to be retrieved from ES
  //
  edm::ESHandle<TrackerGeometry> theG;
  edm::ESHandle<MagneticField> theMF;
  edm::ESHandle<TrajectoryFitter> theFitter;
  edm::ESHandle<Propagator> thePropagator;
  edm::ESHandle<MeasurementTracker> theMeasTk;
  edm::ESHandle<TransientTrackingRecHitBuilder> theBuilder;
  getFromES(setup, theG, theMF, theFitter, thePropagator, theMeasTk, theBuilder);
 
  edm::ESHandle<TrackerTopology> httopo;
  setup.get<TrackerTopologyRcd>().get(httopo);
 
  //
  //declare and get TrackCollection to be retrieved from the event
  //
  AlgoProductCollection algoResults;
  reco::BeamSpot bs;
  switch (constraint_) {
    case none: {
      edm::Handle<edm::View<reco::Track>> theTCollection;
      getFromEvt(theEvent, theTCollection, bs);
 
      LogDebug("TrackRefitter") << "TrackRefitter::produce(none):Number of Trajectories:" << (*theTCollection).size();
 
      if (bs.position() == math::XYZPoint(0., 0., 0.) && bs.type() == reco::BeamSpot::Unknown) {
        edm::LogError("TrackRefitter") << " BeamSpot is (0,0,0), it is probably because is not valid in the event";
        break;
      }
 
      if (theTCollection.failedToGet()) {
        edm::EDConsumerBase::Labels labels;
        labelsForToken(src_, labels);
        edm::LogError("TrackRefitter") << "could not get the reco::TrackCollection." << labels.module;
        break;
      }
      LogDebug("TrackRefitter") << "run the algorithm"
                                << "\n";
 
      try {
        theAlgo.runWithTrack(theG.product(),
                             theMF.product(),
                             *theTCollection,
                             theFitter.product(),
                             thePropagator.product(),
                             theBuilder.product(),
                             bs,
                             algoResults);
      } catch (cms::Exception &e) {
        edm::LogError("TrackProducer") << "cms::Exception caught during theAlgo.runWithTrack."
                                       << "\n"
                                       << e << "\n";
        throw;
      }
      break;
    }
    case momentum: {
      edm::Handle<TrackMomConstraintAssociationCollection> theTCollectionWithConstraint;
      theEvent.getByToken(trkconstrcoll_, theTCollectionWithConstraint);
 
      edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
      theEvent.getByToken(bsSrc_, recoBeamSpotHandle);
      if (!recoBeamSpotHandle.isValid())
        break;
      bs = *recoBeamSpotHandle;
      if (theTCollectionWithConstraint.failedToGet()) {
        //edm::LogError("TrackRefitter")<<"could not get TrackMomConstraintAssociationCollection product.";
        break;
      }
      LogDebug("TrackRefitter") << "run the algorithm"
                                << "\n";
      try {
        theAlgo.runWithMomentum(theG.product(),
                                theMF.product(),
                                *theTCollectionWithConstraint,
                                theFitter.product(),
                                thePropagator.product(),
                                theBuilder.product(),
                                bs,
                                algoResults);
      } catch (cms::Exception &e) {
        edm::LogError("TrackProducer") << "cms::Exception caught during theAlgo.runWithMomentum."
                                       << "\n"
                                       << e << "\n";
        throw;
      }
      break;
    }
    case vertex: {
      edm::Handle<TrackVtxConstraintAssociationCollection> theTCollectionWithConstraint;
      theEvent.getByToken(trkconstrcoll_, theTCollectionWithConstraint);
      edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
      theEvent.getByToken(bsSrc_, recoBeamSpotHandle);
      if (!recoBeamSpotHandle.isValid())
        break;
      bs = *recoBeamSpotHandle;
      if (theTCollectionWithConstraint.failedToGet()) {
        edm::LogError("TrackRefitter") << "could not get TrackVtxConstraintAssociationCollection product.";
        break;
      }
      LogDebug("TrackRefitter") << "run the algorithm"
                                << "\n";
      try {
        theAlgo.runWithVertex(theG.product(),
                              theMF.product(),
                              *theTCollectionWithConstraint,
                              theFitter.product(),
                              thePropagator.product(),
                              theBuilder.product(),
                              bs,
                              algoResults);
      } catch (cms::Exception &e) {
        edm::LogError("TrackProducer") << "cms::Exception caught during theAlgo.runWithVertex."
                                       << "\n"
                                       << e << "\n";
        throw;
      }
      break;
    }
    case trackParameters: {
      edm::Handle<TrackParamConstraintAssociationCollection> theTCollectionWithConstraint;
      theEvent.getByToken(trkconstrcoll_, theTCollectionWithConstraint);
      edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
      theEvent.getByToken(bsSrc_, recoBeamSpotHandle);
      if (!recoBeamSpotHandle.isValid())
        break;
      bs = *recoBeamSpotHandle;
      if (theTCollectionWithConstraint.failedToGet()) {
        //edm::LogError("TrackRefitter")<<"could not get TrackParamConstraintAssociationCollection product.";
        break;
      }
      LogDebug("TrackRefitter") << "run the algorithm"
                                << "\n";
      try {
        theAlgo.runWithTrackParameters(theG.product(),
                                       theMF.product(),
                                       *theTCollectionWithConstraint,
                                       theFitter.product(),
                                       thePropagator.product(),
                                       theBuilder.product(),
                                       bs,
                                       algoResults);
      } catch (cms::Exception &e) {
        edm::LogError("TrackProducer") << "cms::Exception caught during theAlgo.runWithTrackParameters."
                                       << "\n"
                                       << e << "\n";
        throw;
      }
    }
      //default... there cannot be any other possibility due to the check in the ctor
  }
 
  //put everything in th event
  putInEvt(theEvent,
           thePropagator.product(),
           theMeasTk.product(),
           outputRHColl,
           outputTColl,
           outputTEColl,
           outputTrajectoryColl,
           outputIndecesInputColl,
           algoResults,
           theBuilder.product(),
           httopo.product());
  LogDebug("TrackRefitter") << "end"
                            << "\n";
}

References cms::cuda::bs, TrackProducerBase< reco::Track >::bsSrc_, constraint_, MillePedeFileConverter_cfg::e, edm::HandleBase::failedToGet(), get, edm::Event::getByToken(), TrackProducerBase< reco::Track >::getFromES(), TrackProducerBase< reco::Track >::getFromEvt(), edm::EventBase::id(), edm::HandleBase::isValid(), SummaryClient_cfi::labels, LogDebug, momentum, none, edm::ESHandle< T >::product(), KfTrackProducerBase::putInEvt(), TrackProducerAlgorithm< T >::runWithMomentum(), TrackProducerAlgorithm< T >::runWithTrack(), TrackProducerAlgorithm< T >::runWithTrackParameters(), TrackProducerAlgorithm< T >::runWithVertex(), singleTopDQM_cfi::setup, TrackProducerBase< reco::Track >::src_, theAlgo, trackParameters, trkconstrcoll_, reco::BeamSpot::Unknown, and vertex.

Member Data Documentation

constraint_

Constraint TrackRefitter::constraint_

private

Definition at line 25 of file TrackRefitter.h.

Referenced by produce(), and TrackRefitter().

theAlgo

TrackProducerAlgorithm<reco::Track> TrackRefitter::theAlgo

private

Definition at line 23 of file TrackRefitter.h.

Referenced by produce().

trkconstrcoll_

edm::EDGetToken TrackRefitter::trkconstrcoll_

private

Definition at line 26 of file TrackRefitter.h.

Referenced by produce(), and TrackRefitter().