SeedToTrackProducer Class Reference

#include <hugues/SeedToTrackProducer/plugins/SeedToTrackProducer.cc>

Inheritance diagram for SeedToTrackProducer:

Public Member Functions
	SeedToTrackProducer (const edm::ParameterSet &)
	~SeedToTrackProducer ()
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
ModuleDescription const &	moduleDescription () const
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()
Public Member Functions inherited from edm::EDConsumerBase
	EDConsumerBase ()
ProductHolderIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Member Functions
virtual void	beginJob () override
virtual void	endJob () override
virtual void	produce (edm::Event &, const edm::EventSetup &) override
virtual TrajectoryStateOnSurface	seedTransientState (const TrajectorySeed &)

Private Attributes
edm::InputTag	L2seedsTag_
edm::ESHandle< MagneticField >	theMGField
edm::ESHandle < GlobalTrackingGeometry >	theTrackingGeometry

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Protected Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)
ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...
template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()
void	consumesMany (const TypeToGet &id)
template<BranchType B>
void	consumesMany (const TypeToGet &id)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Description: [one line class summary]

Implementation: [Notes on implementation]

Description:

Definition at line 53 of file SeedToTrackProducer.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 43 of file SeedToTrackProducer.cc.

References edm::ParameterSet::getParameter(), and L2seedsTag_.

{
    
    L2seedsTag_ =  iConfig.getParameter<edm::InputTag>("L2seedsCollection");

    
    
    produces<reco::TrackCollection>();
    produces<reco::TrackExtraCollection>();
    produces<TrackingRecHitCollection>();
    
  
}

SeedToTrackProducer::~SeedToTrackProducer

(

)

Definition at line 58 of file SeedToTrackProducer.cc.

{
 
   // do anything here that needs to be done at desctruction time
   // (e.g. close files, deallocate resources etc.)

}

Member Function Documentation

void SeedToTrackProducer::beginJob ( void  )

overrideprivatevirtual

Reimplemented from edm::EDProducer.

Definition at line 171 of file SeedToTrackProducer.cc.

{
}

void SeedToTrackProducer::endJob ( void  )

overrideprivatevirtual

Reimplemented from edm::EDProducer.

Definition at line 177 of file SeedToTrackProducer.cc.

                            {
}

void SeedToTrackProducer::fillDescriptions ( edm::ConfigurationDescriptions &  descriptions )

static

Definition at line 214 of file SeedToTrackProducer.cc.

References edm::ConfigurationDescriptions::addDefault(), and edm::ParameterSetDescription::setUnknown().

                                                                                {
  //The following says we do not know what parameters are allowed so do no validation
  // Please change this to state exactly what you do use, even if it is no parameters
  edm::ParameterSetDescription desc;
  desc.setUnknown();
  descriptions.addDefault(desc);
}

void SeedToTrackProducer::produce ( edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

overrideprivatevirtual

Implements edm::EDProducer.

Definition at line 73 of file SeedToTrackProducer.cc.

References statics::clone, funct::cos(), TrajectoryStateOnSurface::curvilinearError(), PV3DBase< T, PVType, FrameType >::eta(), reco::TrackBase::eta(), edm::EventSetup::get(), edm::Event::getByLabel(), edm::Event::getRefBeforePut(), TrajectoryStateOnSurface::globalMomentum(), susybsm::HSCParticleType::globalMuon, i, customizeTrackingMonitorSeedNumber::idx, L2seedsTag_, CurvilinearTrajectoryError::matrix(), PV3DBase< T, PVType, FrameType >::perp(), PV3DBase< T, PVType, FrameType >::phi(), reco::TrackBase::phi(), reco::TrackBase::phiError(), reco::TrackBase::pt(), reco::TrackBase::ptError(), edm::Event::put(), seedTransientState(), TrackCollections2monitor_cff::selectedTracks, reco::Track::setExtra(), reco::TrackBase::setHitPattern(), funct::sin(), theMGField, and theTrackingGeometry.

{
    using namespace edm;
    using namespace std;

    std::auto_ptr<reco::TrackCollection> selectedTracks(new reco::TrackCollection);
    std::auto_ptr<reco::TrackExtraCollection> selectedTrackExtras( new reco::TrackExtraCollection() );
    std::auto_ptr<TrackingRecHitCollection> selectedTrackHits( new TrackingRecHitCollection() );
    
    reco::TrackRefProd rTracks = iEvent.getRefBeforePut<reco::TrackCollection>();
    reco::TrackExtraRefProd rTrackExtras = iEvent.getRefBeforePut<reco::TrackExtraCollection>();
    TrackingRecHitRefProd rHits = iEvent.getRefBeforePut<TrackingRecHitCollection>();
    
    edm::Ref<reco::TrackExtraCollection>::key_type hidx = 0;
    edm::Ref<reco::TrackExtraCollection>::key_type idx = 0;
    
    // magnetic fied and detector geometry
    iSetup.get<IdealMagneticFieldRecord>().get(theMGField);
    iSetup.get<GlobalTrackingGeometryRecord>().get(theTrackingGeometry);

    // now read the L2 seeds collection :
    edm::Handle<TrajectorySeedCollection> L2seedsCollection;
    iEvent.getByLabel(L2seedsTag_,L2seedsCollection);
    const std::vector<TrajectorySeed>* L2seeds = 0;
    if (L2seedsCollection.isValid()) L2seeds = L2seedsCollection.product();
    else  edm::LogError("SeedToTrackProducer") << "L2 seeds collection not found !! " << endl;
    
    edm::Handle<edm::View<TrajectorySeed> > seedHandle;
    iEvent.getByLabel(L2seedsTag_, seedHandle);
    
    
    int countRH = 0;

    // now  loop on the seeds :
    for (unsigned int i = 0; i < L2seeds->size() ; i++){
        
        
        //get the kinematic extrapolation from the seed
        TrajectoryStateOnSurface theTrajectory = seedTransientState(L2seeds->at(i));
        float seedEta =  theTrajectory.globalMomentum().eta();
        float seedPhi =  theTrajectory.globalMomentum().phi();
        float seedPt =  theTrajectory.globalMomentum().perp();
        CovarianceMatrix matrixSeedErr = theTrajectory.curvilinearError().matrix();
        edm::LogVerbatim("SeedToTrackProducer") <<  "seedPt=" << seedPt << " seedEta=" << seedEta << " seedPhi=" << seedPhi << endl;
        /*AlgebraicSymMatrix66 errors = theTrajectory.cartesianError().matrix();
        double partialPterror = errors(3,3)*pow(theTrajectory.globalMomentum().x(),2) + errors(4,4)*pow(theTrajectory.globalMomentum().y(),2);
    edm::LogVerbatim("SeedToTrackProducer") <<  "seedPtError=" << sqrt(partialPterror)/theTrajectory.globalMomentum().perp() << "seedPhiError=" << theTrajectory.curvilinearError().matrix()(2,2) << endl;*/ 
        //fill the track in a way that its pt, phi and eta will be the same as the seed
        math::XYZPoint initPoint(0,0,0);
        math::XYZVector initMom(seedPt*cos(seedPhi),seedPt*sin(seedPhi),seedPt*sinh(seedEta));
        reco::Track theTrack(1, 1, //dummy Chi2 and ndof
                             initPoint, initMom,
                             1, matrixSeedErr,
                             reco::TrackBase::TrackAlgorithm::globalMuon, reco::TrackBase::TrackQuality::tight);

        //fill the extra track with dummy information
        math::XYZPoint dummyFinalPoint(1,1,1);
        math::XYZVector dummyFinalMom(0,0,10);
        edm::RefToBase<TrajectorySeed> seed(seedHandle, i);
        CovarianceMatrix matrixExtra = ROOT::Math::SMatrixIdentity();
        reco::TrackExtra theTrackExtra(dummyFinalPoint, dummyFinalMom, true, initPoint, initMom, true,
                                  matrixSeedErr, 1,
                                  matrixExtra, 2,
                                  (L2seeds->at(i)).direction(), seed);
        theTrack.setExtra( reco::TrackExtraRef( rTrackExtras, idx++ ) );
        edm::LogVerbatim("SeedToTrackProducer") << "trackPt=" << theTrack.pt() << " trackEta=" << theTrack.eta() << " trackPhi=" << theTrack.phi() << endl;
        edm::LogVerbatim("SeedToTrackProducer") << "trackPtError=" << theTrack.ptError() << "trackPhiError=" << theTrack.phiError() << endl;
 
        //fill the seed segments in the track
        unsigned int index_hit = 0;
        for(TrajectorySeed::recHitContainer::const_iterator itRecHits=(L2seeds->at(i)).recHits().first; itRecHits!=(L2seeds->at(i)).recHits().second; ++itRecHits, ++countRH) {
            TrackingRecHit* hit = (itRecHits)->clone();
            theTrack.setHitPattern( *hit, index_hit);
            selectedTrackHits->push_back(hit);
            index_hit++;
            theTrackExtra.add(TrackingRecHitRef( rHits, hidx ++ ) );
        }
        selectedTracks->push_back(theTrack);
        selectedTrackExtras->push_back(theTrackExtra);

    }
    iEvent.put(selectedTracks);
    iEvent.put(selectedTrackExtras);
    iEvent.put(selectedTrackHits);
    
}

TrajectoryStateOnSurface SeedToTrackProducer::seedTransientState ( const TrajectorySeed &  tmpSeed )

privatevirtual

Definition at line 160 of file SeedToTrackProducer.cc.

References PTrajectoryStateOnDet::detId(), TrajectorySeed::startingState(), theMGField, theTrackingGeometry, and trajectoryStateTransform::transientState().

Referenced by produce().

                                                                                             {
    
    PTrajectoryStateOnDet tmpTSOD = tmpSeed.startingState();
    DetId tmpDetId(tmpTSOD.detId());
    const GeomDet* tmpGeomDet = theTrackingGeometry->idToDet(tmpDetId);
    TrajectoryStateOnSurface tmpTSOS = trajectoryStateTransform::transientState(tmpTSOD, &(tmpGeomDet->surface()), &(*theMGField));
    return tmpTSOS;
}

Member Data Documentation

edm::InputTag SeedToTrackProducer::L2seedsTag_

private

Definition at line 73 of file SeedToTrackProducer.h.

Referenced by produce(), and SeedToTrackProducer().

edm::ESHandle<MagneticField> SeedToTrackProducer::theMGField

private

Definition at line 75 of file SeedToTrackProducer.h.

Referenced by produce(), and seedTransientState().

edm::ESHandle<GlobalTrackingGeometry> SeedToTrackProducer::theTrackingGeometry

private

Definition at line 76 of file SeedToTrackProducer.h.

Referenced by produce(), and seedTransientState().