MuonCalib::TrLegendre Class Reference

#include <TrLegendre.h>

Inheritance diagram for MuonCalib::TrLegendre:

Collaboration diagram for MuonCalib::TrLegendre:

Public Types
using	ParVec = std::vector<double>

Public Member Functions
	TrLegendre (const ParVec &vec)
virtual std::string	name () const override final
virtual std::optional< double >	driftTime (const double r) const override final
	Interface method for fetching the drift-time from the radius Returns a nullopt if the time is out of the boundaries.
virtual std::optional< double >	driftTimePrime (const double r) const override final
virtual std::optional< double >	driftTime2Prime (const double r) const override final
virtual double	minRadius () const override final
	Returns the minimum drift-radius.
virtual double	maxRadius () const override final
	Returns the maximum drift-radius.
virtual unsigned	nDoF () const override final
	Returns the number of degrees of freedom of the tr relation.
virtual std::string	typeName () const override final
double	getReducedR (const double r) const
	Maps the radius interval [minRadius;maxRadius] to [-1;1] where the minimal radius is on the lower end.
double	getReducedRPrime () const
	Returns the derivative of the reduced radisu w.r.t r.
unsigned int	nPar () const
const ParVec &	parameters () const
double	par (unsigned int index) const

Private Attributes
ParVec	m_parameters {}

Detailed Description

Definition at line 11 of file TrLegendre.h.

Member Typedef Documentation

ParVec

using MuonCalib::CalibFunc::ParVec = std::vector<double>

inherited

Definition at line 35 of file CalibFunc.h.

Constructor & Destructor Documentation

TrLegendre()

MuonCalib::TrLegendre::TrLegendre

(

const ParVec &

vec

)

Definition at line 9 of file TrLegendre.cxx.

                                            : ITrRelation{vec} {
        if (minRadius() >= maxRadius()) {
            THROW_EXCEPTION("Minimum radius greater than maximum radius!");
        }
    }

Member Function Documentation

driftTime()

std::optional< double > MuonCalib::TrLegendre::driftTime ( const double r ) const

finaloverridevirtual

Interface method for fetching the drift-time from the radius Returns a nullopt if the time is out of the boundaries.

Implements MuonCalib::ITrRelation.

Definition at line 16 of file TrLegendre.cxx.

                                                                  {
        if (r < minRadius() || r > maxRadius()) return std::nullopt;
        const double reducedR = getReducedR(r);
        double time{0.};
        for (unsigned int k = 0; k < nDoF(); ++k) {
            time += par(k+2) * Acts::detail::legendrePoly(reducedR, k);
        }
        return std::make_optional(time);
 
 
    }

driftTime2Prime()

std::optional< double > MuonCalib::TrLegendre::driftTime2Prime ( const double r ) const

finaloverridevirtual

Implements MuonCalib::ITrRelation.

Definition at line 38 of file TrLegendre.cxx.

                                                                        {
        if (r < minRadius() || r > maxRadius()) return std::nullopt;
        const double reducedR = getReducedR(r);
        const double dt_dr = std::pow(getReducedRPrime(), 2);
        double d2tdr2{0.};
        for (unsigned int k = 2; k < nDoF(); ++k) {
            d2tdr2 += par(k+2) * Acts::detail::legendrePoly(reducedR,  k, 2) * dt_dr;
        }
        return std::make_optional(d2tdr2);
    }

driftTimePrime()

std::optional< double > MuonCalib::TrLegendre::driftTimePrime ( const double r ) const

finaloverridevirtual

Implements MuonCalib::ITrRelation.

Definition at line 27 of file TrLegendre.cxx.

                                                                       {
        if (r < minRadius() || r > maxRadius()) return std::nullopt;
        const double reducedR = getReducedR(r);
        const double dt_dr = getReducedRPrime();
        double dtdr{0.};
        for (unsigned int k = 1; k < nDoF(); ++k) {
            dtdr += par(k+2) * Acts::detail::legendrePoly(reducedR,  k, 1) * dt_dr;
        }
        return std::make_optional(dtdr);
        
    }

getReducedR()

double MuonCalib::ITrRelation::getReducedR ( const double r ) const

inlineinherited

Maps the radius interval [minRadius;maxRadius] to [-1;1] where the minimal radius is on the lower end.

Definition at line 42 of file ITrRelation.h.

                                                     {
                return  mapToUnitInterval(r, minRadius(), maxRadius());
            }

getReducedRPrime()

double MuonCalib::ITrRelation::getReducedRPrime ( ) const

inlineinherited

Returns the derivative of the reduced radisu w.r.t r.

Definition at line 46 of file ITrRelation.h.

                                            {
                return unitIntervalPrime(minRadius(), maxRadius());
            }

maxRadius()

double MuonCalib::TrLegendre::maxRadius ( ) const

finaloverridevirtual

Returns the maximum drift-radius.

Implements MuonCalib::ITrRelation.

Definition at line 49 of file TrLegendre.cxx.

{ return par(1); }

minRadius()

double MuonCalib::TrLegendre::minRadius ( ) const

finaloverridevirtual

Returns the minimum drift-radius.

Implements MuonCalib::ITrRelation.

Definition at line 48 of file TrLegendre.cxx.

{ return par(0); }

name()

std::string MuonCalib::TrLegendre::name ( ) const

finaloverridevirtual

Implements MuonCalib::CalibFunc.

Definition at line 14 of file TrLegendre.cxx.

{ return "TrLegendre"; }

nDoF()

unsigned MuonCalib::TrLegendre::nDoF ( ) const

finaloverridevirtual

Returns the number of degrees of freedom of the tr relation.

Implements MuonCalib::ITrRelation.

Definition at line 50 of file TrLegendre.cxx.

{ return nPar() -2; }

nPar()

unsigned int MuonCalib::CalibFunc::nPar ( ) const

inlineinherited

Definition at line 39 of file CalibFunc.h.

{ return m_parameters.size(); }

par()

double MuonCalib::CalibFunc::par ( unsigned int index ) const

inlineinherited

Definition at line 41 of file CalibFunc.h.

                                                 {
                return index < nPar() ? m_parameters[index] : 0.;
            }

parameters()

const ParVec & MuonCalib::CalibFunc::parameters ( ) const

inlineinherited

Definition at line 40 of file CalibFunc.h.

{ return m_parameters; }

typeName()

virtual std::string MuonCalib::ITrRelation::typeName ( ) const

inlinefinaloverridevirtualinherited

Implements MuonCalib::CalibFunc.

Definition at line 24 of file ITrRelation.h.

{ return "ITrRelation"; }

Member Data Documentation

m_parameters

ParVec MuonCalib::CalibFunc::m_parameters {}

privateinherited

Definition at line 48 of file CalibFunc.h.

{};

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

• TrLegendre.h
• TrLegendre.cxx