KVFTrackUpdate Class Reference

#include <KVFTrackUpdate.h>

Inheritance diagram for KVFTrackUpdate:

Public Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &)
virtual void	beginJob ()
virtual void	endJob ()
	KVFTrackUpdate (const edm::ParameterSet &)
	~KVFTrackUpdate ()
Public Member Functions inherited from edm::EDAnalyzer
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
	EDAnalyzer ()
ModuleDescription const &	moduleDescription () const
std::string	workerType () const
virtual	~EDAnalyzer ()
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
void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const
bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

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

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 ( const edm::ParameterSet &  iConfig )

explicit

Definition at line 26 of file KVFTrackUpdate.cc.

References edm::ParameterSet::getParameter().

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

KVFTrackUpdate::~KVFTrackUpdate

(

)

Definition at line 33 of file KVFTrackUpdate.cc.

                                {
}

Member Function Documentation

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

virtual

Implements edm::EDAnalyzer.

Definition at line 48 of file KVFTrackUpdate.cc.

References a, b, SingleTrackVertexConstraint::constrain(), gather_cfg::cout, alignCSCRings::e, cppFunctionSkipper::exception, edm::EventSetup::get(), edm::Event::getByToken(), i, edm::EventBase::id(), and edm::HandleBase::isValid().

{



  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";
  }

}

void KVFTrackUpdate::beginJob ( void  )

virtual

Reimplemented from edm::EDAnalyzer.

Definition at line 36 of file KVFTrackUpdate.cc.

                             {
}

void KVFTrackUpdate::endJob ( void  )

virtual

Reimplemented from edm::EDAnalyzer.

Definition at line 40 of file KVFTrackUpdate.cc.

                            {
}

Member Data Documentation

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

private

Definition at line 33 of file KVFTrackUpdate.h.

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

private

Definition at line 32 of file KVFTrackUpdate.h.