KVFTrackUpdate Class Reference

#include <KVFTrackUpdate.h>

Inheritance diagram for KVFTrackUpdate:

Public Member Functions
void	analyze (const edm::Event &, const edm::EventSetup &) override
void	beginJob () override
void	endJob () override
	KVFTrackUpdate (const edm::ParameterSet &)
	~KVFTrackUpdate () override
Public Member Functions inherited from edm::EDAnalyzer
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
	EDAnalyzer ()
SerialTaskQueue *	globalLuminosityBlocksQueue ()
SerialTaskQueue *	globalRunsQueue ()
ModuleDescription const &	moduleDescription () const
std::string	workerType () const
	~EDAnalyzer () override
Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const
void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...
	EDConsumerBase ()
	EDConsumerBase (EDConsumerBase &&)=default
	EDConsumerBase (EDConsumerBase const &)=delete
ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const
ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
EDConsumerBase &	operator= (EDConsumerBase &&)=default
EDConsumerBase const &	operator= (EDConsumerBase const &)=delete
bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const
void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)
virtual	~EDConsumerBase () noexcept(false)

Private Attributes
edm::EDGetTokenT< reco::BeamSpot >	token_beamSpot
edm::EDGetTokenT< reco::TrackCollection >	token_tracks

Additional Inherited Members
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType
Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels
Static Public Member Functions inherited from edm::EDAnalyzer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &)
static bool	wantsGlobalLuminosityBlocks ()
static bool	wantsGlobalRuns ()
static bool	wantsStreamLuminosityBlocks ()
static bool	wantsStreamRuns ()
Protected Member Functions inherited from edm::EDConsumerBase
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (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 ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

Detailed Description

This is a very simple test analyzer to test the update of a track with a vertex constraint with the Kalman filter.

Definition at line 20 of file KVFTrackUpdate.h.

Constructor & Destructor Documentation

KVFTrackUpdate()

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

explicit

Definition at line 26 of file KVFTrackUpdate.cc.

                                                             {
  token_tracks = consumes<TrackCollection>(iConfig.getParameter<InputTag>("TrackLabel"));
  token_beamSpot = consumes<BeamSpot>(iConfig.getParameter<InputTag>("beamSpotLabel"));
}

References edm::ParameterSet::getParameter().

~KVFTrackUpdate()

KVFTrackUpdate::~KVFTrackUpdate ( )

override

Definition at line 31 of file KVFTrackUpdate.cc.

{}

Member Function Documentation

analyze()

void KVFTrackUpdate::analyze ( const edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

overridevirtual

Implements edm::EDAnalyzer.

Definition at line 41 of file KVFTrackUpdate.cc.

                                                                                {
  try {
    edm::LogInfo("RecoVertex/KVFTrackUpdate") << "Reconstructing event number: " << iEvent.id() << "\n";
 
    // get RECO tracks from the event
    // `tks` can be used as a ptr to a reco::TrackCollection
    edm::Handle<reco::TrackCollection> tks;
    iEvent.getByToken(token_tracks, tks);
 
    edm::LogInfo("RecoVertex/KVFTrackUpdate") << "Found: " << (*tks).size() << " reconstructed tracks"
                                              << "\n";
    std::cout << "got " << (*tks).size() << " tracks " << std::endl;
 
    // Transform Track to TransientTrack
 
    //get the builder:
    edm::ESHandle<TransientTrackBuilder> theB;
    iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder", theB);
    //do the conversion:
    std::vector<TransientTrack> t_tks = (*theB).build(tks);
 
    edm::LogInfo("RecoVertex/KVFTrackUpdate") << "Found: " << t_tks.size() << " reconstructed tracks"
                                              << "\n";
 
    GlobalPoint glbPos(0., 0., 0.);
 
    AlgebraicSymMatrix33 mat;
    mat[0][0] = (20.e-04) * (20.e-04);
    mat[1][1] = (20.e-04) * (20.e-04);
    mat[2][2] = (5.3) * (5.3);
    GlobalError glbErrPos(mat);
 
    reco::BeamSpot vertexBeamSpot;
    edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
    iEvent.getByToken(token_beamSpot, recoBeamSpotHandle);
 
    SingleTrackVertexConstraint stvc;
    for (unsigned int i = 0; i < t_tks.size(); i++) {
      SingleTrackVertexConstraint::BTFtuple a = stvc.constrain(t_tks[i], glbPos, glbErrPos);
      std::cout << "Chi2: " << a.get<2>() << std::endl;
      if (recoBeamSpotHandle.isValid()) {
        SingleTrackVertexConstraint::BTFtuple b = stvc.constrain(t_tks[i], *recoBeamSpotHandle);
        std::cout << "Chi2: " << b.get<2>() << std::endl;
      }
    }
  }
 
  catch (std::exception& err) {
    edm::LogInfo("RecoVertex/KVFTrackUpdate") << "Exception during event number: " << iEvent.id() << "\n"
                                              << err.what() << "\n";
  }
}

References a, b, SingleTrackVertexConstraint::constrain(), gather_cfg::cout, MillePedeFileConverter_cfg::e, runTheMatrix::err, cppFunctionSkipper::exception, reco::get(), edm::EventSetup::get(), mps_fire::i, iEvent, and edm::HandleBase::isValid().

beginJob()

void KVFTrackUpdate::beginJob ( void  )

overridevirtual

Reimplemented from edm::EDAnalyzer.

Definition at line 33 of file KVFTrackUpdate.cc.

{}

endJob()

void KVFTrackUpdate::endJob ( void  )

overridevirtual

Reimplemented from edm::EDAnalyzer.

Definition at line 35 of file KVFTrackUpdate.cc.

{}

Member Data Documentation

token_beamSpot

edm::EDGetTokenT<reco::BeamSpot> KVFTrackUpdate::token_beamSpot

private

Definition at line 32 of file KVFTrackUpdate.h.

token_tracks

edm::EDGetTokenT<reco::TrackCollection> KVFTrackUpdate::token_tracks

private

Definition at line 31 of file KVFTrackUpdate.h.