MuonCalib::TrChebyshev Class Reference

#include <TrChebyshev.h>

Inheritance diagram for MuonCalib::TrChebyshev:

Collaboration diagram for MuonCalib::TrChebyshev:

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

Public Member Functions
	TrChebyshev (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. More...
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. More...
virtual double	maxRadius () const override final
	Returns the maximum drift-radius. More...
virtual unsigned	nDoF () const override final
	Returns the number of degrees of freedom of the tr relation. More...
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. More...
double	getReducedRPrime () const
	Returns the derivative of the reduced radisu w.r.t r. More...
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 TrChebyshev.h.

Member Typedef Documentation

ParVec

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

inherited

Definition at line 35 of file CalibFunc.h.

Constructor & Destructor Documentation

TrChebyshev()

MuonCalib::TrChebyshev::TrChebyshev

(

const ParVec &

vec

)

Definition at line 10 of file TrChebyshev.cxx.

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

Member Function Documentation

driftTime()

std::optional< double > MuonCalib::TrChebyshev::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 17 of file TrChebyshev.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) * chebyshevPoly1st(k, reducedR);
        }
        return std::make_optional(time);
 
 
    }

driftTime2Prime()

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

finaloverridevirtual

Implements MuonCalib::ITrRelation.

Definition at line 39 of file TrChebyshev.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) * chebyshevPoly1st2Prime(k, reducedR) * dt_dr;
        }
        return std::make_optional(d2tdr2);
    }

driftTimePrime()

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

finaloverridevirtual

Implements MuonCalib::ITrRelation.

Definition at line 28 of file TrChebyshev.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) * chebyshevPoly1stPrime(k, reducedR) * 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::TrChebyshev::maxRadius ( ) const

finaloverridevirtual

Returns the maximum drift-radius.

Implements MuonCalib::ITrRelation.

Definition at line 51 of file TrChebyshev.cxx.

{ return par(1); }

minRadius()

double MuonCalib::TrChebyshev::minRadius ( ) const

finaloverridevirtual

Returns the minimum drift-radius.

Implements MuonCalib::ITrRelation.

Definition at line 50 of file TrChebyshev.cxx.

{ return par(0); }

name()

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

finaloverridevirtual

Implements MuonCalib::CalibFunc.

Definition at line 15 of file TrChebyshev.cxx.

{ return "TrChebyshev"; }

nDoF()

unsigned MuonCalib::TrChebyshev::nDoF ( ) const

finaloverridevirtual

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

Implements MuonCalib::ITrRelation.

Definition at line 52 of file TrChebyshev.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:

• TrChebyshev.h
• TrChebyshev.cxx