Trk::GaussianTrackDensity::TrackDensityEval Struct Reference

Collaboration diagram for Trk::GaussianTrackDensity::TrackDensityEval:

Public Member Functions
	TrackDensityEval (double z_coordinate)
void	addTrack (const TrackEntry &entry)
double	density () const
double	firstDerivative () const
double	secondDerivative () const

Private Attributes
double	m_z
double	m_density {0}
double	m_firstDerivative {0}
double	m_secondDerivative {0}

Detailed Description

Definition at line 95 of file GaussianTrackDensity.h.

Constructor & Destructor Documentation

TrackDensityEval()

Trk::GaussianTrackDensity::TrackDensityEval::TrackDensityEval ( double  z_coordinate )

inline

Definition at line 98 of file GaussianTrackDensity.h.

: m_z(z_coordinate){} 

Member Function Documentation

addTrack()

void Trk::GaussianTrackDensity::TrackDensityEval::addTrack

(

const TrackEntry &

entry

)

Definition at line 257 of file GaussianTrackDensity.cxx.

                                                                              {
    if (entry.lowerBound < m_z && entry.upperBound > m_z) {
      double delta = std::exp(entry.c_0+m_z*(entry.c_1 + m_z*entry.c_2));
      double qPrime = entry.c_1 + 2*m_z*entry.c_2;
      double deltaPrime = delta * qPrime;
      m_density += delta;
      m_firstDerivative += deltaPrime;
      m_secondDerivative += 2*entry.c_2*delta + qPrime*deltaPrime;
    }
  }

density()

double Trk::GaussianTrackDensity::TrackDensityEval::density ( ) const

inline

Definition at line 104 of file GaussianTrackDensity.h.

{return m_density;}

firstDerivative()

double Trk::GaussianTrackDensity::TrackDensityEval::firstDerivative ( ) const

inline

Definition at line 105 of file GaussianTrackDensity.h.

{return m_firstDerivative;}

secondDerivative()

double Trk::GaussianTrackDensity::TrackDensityEval::secondDerivative ( ) const

inline

Definition at line 106 of file GaussianTrackDensity.h.

{return m_secondDerivative;}

Member Data Documentation

m_density

double Trk::GaussianTrackDensity::TrackDensityEval::m_density {0}

private

Definition at line 109 of file GaussianTrackDensity.h.

m_firstDerivative

double Trk::GaussianTrackDensity::TrackDensityEval::m_firstDerivative {0}

private

Definition at line 110 of file GaussianTrackDensity.h.

m_secondDerivative

double Trk::GaussianTrackDensity::TrackDensityEval::m_secondDerivative {0}

private

Definition at line 111 of file GaussianTrackDensity.h.

m_z

double Trk::GaussianTrackDensity::TrackDensityEval::m_z

private

Definition at line 108 of file GaussianTrackDensity.h.

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The documentation for this struct was generated from the following files:

• GaussianTrackDensity.h
• GaussianTrackDensity.cxx