#include <Alignment/CommonAlignmentProducer/plugins/AlignmentMuonHIPTrajectorySelector.cc>

Inheritance diagram for AlignmentMuonHIPTrajectorySelector:

Public Member Functions
	AlignmentMuonHIPTrajectorySelector (const edm::ParameterSet &)

	~AlignmentMuonHIPTrajectorySelector ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Private Member Functions
virtual void	produce (edm::Event &, const edm::EventSetup &)

Private Attributes
bool	m_hists

edm::InputTag	m_input

double	m_maxMuonResidual

double	m_maxTrackerForwardRedChi2

double	m_minPt

int	m_minTrackerDOF

TH1F *	m_pt

TH1F *	m_resid_after

TH1F *	m_resid_before

TH1F *	m_tracker_dof

TH1F *	m_tracker_forwardredchi2

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Description: <one line="" class="" summary>="">

Implementation: <Notes on="" implementation>="">

Definition at line 55 of file AlignmentMuonHIPTrajectorySelector.cc.

Constructor & Destructor Documentation

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

explicit

Definition at line 87 of file AlignmentMuonHIPTrajectorySelector.cc.

References m_hists, m_pt, m_resid_after, m_resid_before, m_tracker_dof, m_tracker_forwardredchi2, and TFileDirectory::make().

    : m_input(iConfig.getParameter<edm::InputTag>("input"))
    , m_minPt(iConfig.getParameter<double>("minPt"))
    , m_maxTrackerForwardRedChi2(iConfig.getParameter<double>("maxTrackerForwardRedChi2"))
    , m_minTrackerDOF(iConfig.getParameter<int>("minTrackerDOF"))
    , m_maxMuonResidual(iConfig.getParameter<double>("maxMuonResidual"))
    , m_hists(iConfig.getParameter<bool>("hists"))
    , m_pt(NULL), m_tracker_forwardredchi2(NULL), m_tracker_dof(NULL)
 {
    produces<TrajTrackAssociationCollection>();
 
    if (m_hists) {
       edm::Service<TFileService> fs;
       m_pt = fs->make<TH1F>("pt", "Transverse momentum (GeV)", 100, 0., 100.);
       m_tracker_forwardredchi2 = fs->make<TH1F>("trackerForwardRedChi2", "forward-biased reduced chi2 in tracker", 100, 0., 5.);
       m_tracker_dof = fs->make<TH1F>("trackerDOF", "DOF in tracker", 61, -0.5, 60.5);
       m_resid_before = fs->make<TH1F>("residBefore", "muon residuals before cut (cm)", 100, -20, 20);
       m_resid_after = fs->make<TH1F>("residAfter", "muon residuals after cut (cm)", 100, -20, 20);
    }
 }

AlignmentMuonHIPTrajectorySelector::~AlignmentMuonHIPTrajectorySelector ( )

Definition at line 109 of file AlignmentMuonHIPTrajectorySelector.cc.

109 {}

Member Function Documentation

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

privatevirtual

Implements edm::EDProducer.

Definition at line 118 of file AlignmentMuonHIPTrajectorySelector.cc.

References TrajectoryMeasurement::backwardPredictedState(), TrajectoryStateCombiner::combine(), MuonSubdetId::CSC, TrackingRecHit::dimension(), MuonSubdetId::DT, TrajectoryMeasurement::forwardPredictedState(), TrackingRecHit::geographicalId(), edm::Event::getByLabel(), TrackingRecHit::isValid(), TrajectoryStateOnSurface::localError(), TrackingRecHit::localPosition(), TrajectoryStateOnSurface::localPosition(), TrackingRecHit::localPositionError(), m_hists, m_input, m_maxMuonResidual, m_minPt, m_minTrackerDOF, m_pt, m_resid_after, m_resid_before, m_tracker_dof, m_tracker_forwardredchi2, DetId::Muon, LocalTrajectoryError::positionError(), edm::Event::put(), TrajectoryMeasurement::recHit(), DetId::Tracker, PV3DBase< T, PVType, FrameType >::x(), LocalError::xx(), LocalError::xy(), PV3DBase< T, PVType, FrameType >::y(), and LocalError::yy().

Referenced by python.JSONExport.JsonExport::export(), and python.HTMLExport.HTMLExport::export().

 {
    // input
    edm::Handle<TrajTrackAssociationCollection> originalTrajTrackMap;
    iEvent.getByLabel(m_input, originalTrajTrackMap);
 
    // output
    std::auto_ptr<TrajTrackAssociationCollection> newTrajTrackMap(new TrajTrackAssociationCollection());
 
    TrajectoryStateCombiner tsoscomb;
 
    for (TrajTrackAssociationCollection::const_iterator iPair = originalTrajTrackMap->begin();  iPair != originalTrajTrackMap->end();  ++iPair) {
       if (m_hists) {
      m_pt->Fill((*(*iPair).val).pt());
       }
 
       if ((*(*iPair).val).pt() > m_minPt) {
 
      std::vector<TrajectoryMeasurement> measurements = (*(*iPair).key).measurements();
 
      bool has_bad_residual = false;
 
      double tracker_forwardchi2 = 0.;
      double tracker_dof = 0.;
      for (std::vector<TrajectoryMeasurement>::const_iterator im = measurements.begin();  im != measurements.end();  ++im) {
         const TrajectoryMeasurement meas = *im;
         const TransientTrackingRecHit* hit = &(*meas.recHit());
         const DetId id = hit->geographicalId();
 
         if (hit->isValid()  &&  id.det() == DetId::Tracker) {
            if (hit->dimension() == 1) {
           double residual = meas.forwardPredictedState().localPosition().x() - hit->localPosition().x();
           double error2 = meas.forwardPredictedState().localError().positionError().xx() + hit->localPositionError().xx();
 
           tracker_forwardchi2 += residual * residual / error2;
           tracker_dof += 1.;
            }
            else if (hit->dimension() == 2) {
           double residualx = meas.forwardPredictedState().localPosition().x() - hit->localPosition().x();
           double residualy = meas.forwardPredictedState().localPosition().y() - hit->localPosition().y();
           double errorxx2 = meas.forwardPredictedState().localError().positionError().xx() + hit->localPositionError().xx();
           double errorxy2 = meas.forwardPredictedState().localError().positionError().xy() + hit->localPositionError().xy();
           double erroryy2 = meas.forwardPredictedState().localError().positionError().yy() + hit->localPositionError().yy();
 
           tracker_forwardchi2 += (residualx * residualx + residualy * residualy) / (errorxx2 + 2.*errorxy2 + erroryy2);
           tracker_dof += 2.;
            }
         } // end if a tracker hit
 
         if (hit->isValid()  &&  id.det() == DetId::Muon  &&  (id.subdetId() == MuonSubdetId::DT  ||  id.subdetId() == MuonSubdetId::CSC)) {
            TrajectoryStateOnSurface tsosc = tsoscomb.combine(meas.forwardPredictedState(), meas.backwardPredictedState());
            double residual = tsosc.localPosition().x() - hit->localPosition().x();
            m_resid_before->Fill(residual);
            if (fabs(residual) > m_maxMuonResidual) {
           has_bad_residual = true;
            }
         } // end if a muon hit
 
      }
      tracker_dof -= 5.;
      double tracker_forwardredchi2 = tracker_forwardchi2 / tracker_dof;
 
      if (m_hists) {
         m_tracker_forwardredchi2->Fill(tracker_forwardredchi2);
         m_tracker_dof->Fill(tracker_dof);
 
         for (std::vector<TrajectoryMeasurement>::const_iterator im = measurements.begin();  im != measurements.end();  ++im) {
            const TrajectoryMeasurement meas = *im;
            const TransientTrackingRecHit* hit = &(*meas.recHit());
            const DetId id = hit->geographicalId();
 
            if (!has_bad_residual) {
           if (hit->isValid()  &&  id.det() == DetId::Muon  &&  (id.subdetId() == MuonSubdetId::DT  ||  id.subdetId() == MuonSubdetId::CSC)) {
              TrajectoryStateOnSurface tsosc = tsoscomb.combine(meas.forwardPredictedState(), meas.backwardPredictedState());
              double residual = tsosc.localPosition().x() - hit->localPosition().x();
              m_resid_after->Fill(residual);
           }
            } // end if residuals pass cut
         } // end second loop over hits
      } // end if filling histograms
 
      if (tracker_forwardredchi2 < m_maxTrackerForwardRedChi2  &&  tracker_dof >= m_minTrackerDOF  &&  !has_bad_residual) {
         newTrajTrackMap->insert((*iPair).key, (*iPair).val);
      } // end if passes tracker cuts
       } // end if passes pT cut
    } // end loop over original trajTrackMap
 
    // put it in the Event
    iEvent.put(newTrajTrackMap);
 }