HistogramProbabilityEstimator Class Reference

#include <HistogramProbabilityEstimator.h>

Public Member Functions
	HistogramProbabilityEstimator (const TrackProbabilityCalibration *calib3D, const TrackProbabilityCalibration *calib2D)
std::pair< bool, double >	probability (bool quality, int ipType, float significance, const reco::Track &, const reco::Jet &, const reco::Vertex &) const
	~HistogramProbabilityEstimator ()

Private Attributes
const TrackProbabilityCalibration *	m_calibration2D
const TrackProbabilityCalibration *	m_calibration3D

Detailed Description

provides the track probability to come from the primary vertex for a given track

Definition at line 18 of file HistogramProbabilityEstimator.h.

Constructor & Destructor Documentation

HistogramProbabilityEstimator()

HistogramProbabilityEstimator::HistogramProbabilityEstimator ( const TrackProbabilityCalibration *  calib3D, const TrackProbabilityCalibration *  calib2D  )

inline

Definition at line 20 of file HistogramProbabilityEstimator.h.

      : m_calibration3D(calib3D), m_calibration2D(calib2D) {}

~HistogramProbabilityEstimator()

HistogramProbabilityEstimator::~HistogramProbabilityEstimator ( )

inline

Definition at line 31 of file HistogramProbabilityEstimator.h.

                                   {
    //  if(m_calibration3D!=0) delete m_calibration3D;
    //  if(m_calibration2D!=0) delete m_calibration2D;
  }

Member Function Documentation

probability()

pair< bool, double > HistogramProbabilityEstimator::probability	(	bool	quality,
		int	ipType,
		float	significance,
		const reco::Track &	track,
		const reco::Jet &	jet,
		const reco::Vertex &	vertex
	)		const

Definition at line 11 of file HistogramProbabilityEstimator.cc.

                                                                                                                  {
  TrackClassFilter::Input input(quality, track, jet, vertex);
 
  double trackProbability = 0;
 
  double absSignificance = fabs(significance);
 
  const CalibratedHistogram* probabilityHistogram = nullptr;
  vector<TrackProbabilityCalibration::Entry>::const_iterator found;
  vector<TrackProbabilityCalibration::Entry>::const_iterator it;
  vector<TrackProbabilityCalibration::Entry>::const_iterator it_end;
  if (ipType == 0) {
    it = m_calibration3D->data.begin();
    it_end = m_calibration3D->data.end();
  } else if (ipType == 1) {
    it = m_calibration2D->data.begin();
    it_end = m_calibration2D->data.end();
  } else
    return pair<bool, double>(probabilityHistogram, trackProbability);
 
  found = std::find_if(it, it_end, [&input](auto const& c) { return TrackClassFilter()(input, c); });
  if (found != it_end)
    probabilityHistogram = &found->histogram;
  if (!probabilityHistogram) {
    //    edm::LogWarning ("TrackProbability|HistogramMissing") << " PDF Histogram not found for this track" ;
  } else {
    trackProbability = 1. - probabilityHistogram->normalizedIntegral(absSignificance);
  }
  if (absSignificance != 0)
    trackProbability *= significance / absSignificance;  //Return a "signed" probability
 
  return pair<bool, double>(probabilityHistogram, trackProbability);
}

References HltBtagPostValidation_cff::c, newFWLiteAna::found, input, metsig::jet, PhysicsTools::Calibration::Histogram< Value_t, Axis_t >::normalizedIntegral(), qcdUeDQM_cfi::quality, met_cff::significance, HLT_FULL_cff::track, muon::trackProbability(), and bphysicsOniaDQM_cfi::vertex.

Referenced by btagbtvdeep::SeedingTrackInfoBuilder::buildSeedingTrackInfo().

Member Data Documentation

m_calibration2D

const TrackProbabilityCalibration* HistogramProbabilityEstimator::m_calibration2D

private

Definition at line 40 of file HistogramProbabilityEstimator.h.

m_calibration3D

const TrackProbabilityCalibration* HistogramProbabilityEstimator::m_calibration3D

private

Definition at line 39 of file HistogramProbabilityEstimator.h.