MuonCalib::RtSpline Class Reference

#include <RtSpline.h>

Inheritance diagram for MuonCalib::RtSpline:

Collaboration diagram for MuonCalib::RtSpline:

Public Types
typedef std::vector< double >	ParVec

Public Member Functions
	RtSpline (const ParVec &vec)
	initialization constructor, More...
	~RtSpline ()
std::string	name (void) const
	get the class name More...
double	radius (double t) const
	get the radius corresponding to the drift time t; 0 or 14.6 is returned if t is outside the range More...
double	driftvelocity (double t) const
	get the drift velocity More...
double	tLower (void) const
	get the lower drift-time bound More...
double	tUpper (void) const
	get the upper drift-time bound More...
virtual std::string	typeName () const
float	GetTmaxDiff () const
	return the difference in total dirft time between the two multilayers (ML1 - ML2) More...
bool	HasTmaxDiff () const
void	SetTmaxDiff (const float &d)
	set the difference in total drift time betwene the two multilayers (ML1 - ML2) More...
unsigned int	nPar () const
const ParVec &	parameters () const
double	par (unsigned int index) const

Public Attributes
float	m_tmax_diff

Private Member Functions
void	_init (void)
	initialization method More...

Private Attributes
TSpline3 *	p_sp3
ParVec	m_parameters

Detailed Description

This class contains the implementation of an r(t) relationship parameterized as support points to a cubic spline

Author

Felix.nosp@m..Rau.nosp@m.scher.nosp@m.@cer.nosp@m.n.ch

Date

07.08.2007

Definition at line 45 of file RtSpline.h.

Member Typedef Documentation

ParVec

typedef std::vector<double> MuonCalib::CalibFunc::ParVec

inherited

Definition at line 36 of file CalibFunc.h.

Constructor & Destructor Documentation

RtSpline()

MuonCalib::RtSpline::RtSpline ( const ParVec &  vec )

inlineexplicit

initialization constructor,

2 * (size of ParVec) = number of points

ParVec[ 2n] = x coordinate of n_th support point ParVec[1 + 2n] = y coordinate of n_th support point

Definition at line 64 of file RtSpline.h.

: IRtRelation(vec) { _init(); }

~RtSpline()

MuonCalib::RtSpline::~RtSpline

(

)

Definition at line 19 of file RtSpline.cxx.

                        {
        // as long as there is no default constructor, we can delete the TSpline3 without a check
        delete p_sp3;
    }

Member Function Documentation

_init()

void MuonCalib::RtSpline::_init ( void  )

private

initialization method

Definition at line 24 of file RtSpline.cxx.

                         {
        MsgStream log(Athena::getMessageSvc(), "RtSpline");
        // check for minimum number of parameters
        if (nPar() < 6) {
            log << MSG::ERROR << "Not enough parameters!" << endmsg;
            log << MSG::ERROR << "Minimum number of parameters is 6!" << endmsg;
            throw 1;
        }
        // check if the number of parameters is even
        if ((nPar() % 2) != 0) {
            log << MSG::ERROR << "RtSpline::_init(): Odd number of parameters!" << endmsg;
            throw 2;
        }
        // create spline
        Double_t *x = new Double_t[nPar() / 2];
        Double_t *y = new Double_t[nPar() / 2];
        for (unsigned int i = 0; i < nPar() / 2; i++) {
            x[i] = par(2 * i);
            y[i] = par(2 * i + 1);
        }
        p_sp3 = new TSpline3("Rt Relation", x, y, nPar() / 2, "b2e2", 0, 0);
        delete[] x;
        delete[] y;
    }  // end RtSpline::_init

driftvelocity()

double MuonCalib::RtSpline::driftvelocity ( double  t ) const

virtual

get the drift velocity

Implements MuonCalib::IRtRelation.

Definition at line 57 of file RtSpline.cxx.

{ return p_sp3->Derivative(t); }

GetTmaxDiff()

float MuonCalib::IRtRelation::GetTmaxDiff ( ) const

inlineinherited

return the difference in total dirft time between the two multilayers (ML1 - ML2)

Definition at line 27 of file IRtRelation.h.

{ return HasTmaxDiff() ? m_tmax_diff : 0.0; }

HasTmaxDiff()

bool MuonCalib::IRtRelation::HasTmaxDiff ( ) const

inlineinherited

Definition at line 29 of file IRtRelation.h.

{ return (m_tmax_diff < 8e8); }

name()

std::string MuonCalib::RtSpline::name ( void  ) const

inlinevirtual

get the class name

Implements MuonCalib::CalibFunc.

Definition at line 70 of file RtSpline.h.

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.

                                                    {
            if (index < nPar())
                return m_parameters[index];
            else
                return 0.;
        }

parameters()

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

inlineinherited

Definition at line 40 of file CalibFunc.h.

{ return m_parameters; }

radius()

double MuonCalib::RtSpline::radius ( double  t ) const

virtual

get the radius corresponding to the drift time t; 0 or 14.6 is returned if t is outside the range

Implements MuonCalib::IRtRelation.

Definition at line 49 of file RtSpline.cxx.

                                          {
        // check for t_min and t_max
        if (t > p_sp3->GetXmax()) return p_sp3->Eval(p_sp3->GetXmax());
        if (t < p_sp3->GetXmin()) return p_sp3->Eval(p_sp3->GetXmin());
        double r = p_sp3->Eval(t);
        return r >= 0 ? r : 0;
    }

SetTmaxDiff()

void MuonCalib::IRtRelation::SetTmaxDiff ( const float &  d )

inlineinherited

set the difference in total drift time betwene the two multilayers (ML1 - ML2)

Definition at line 32 of file IRtRelation.h.

{ m_tmax_diff = d; }

tLower()

double MuonCalib::RtSpline::tLower ( void  ) const

virtual

get the lower drift-time bound

Implements MuonCalib::IRtRelation.

Definition at line 59 of file RtSpline.cxx.

{ return par(0); }

tUpper()

double MuonCalib::RtSpline::tUpper ( void  ) const

virtual

get the upper drift-time bound

Implements MuonCalib::IRtRelation.

Definition at line 61 of file RtSpline.cxx.

{ return par(nPar() - 2); }

typeName()

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

inlinevirtualinherited

Implements MuonCalib::CalibFunc.

Definition at line 18 of file IRtRelation.h.

{ return "IRtRelation"; }

Member Data Documentation

m_parameters

ParVec MuonCalib::CalibFunc::m_parameters

privateinherited

Definition at line 51 of file CalibFunc.h.

m_tmax_diff

float MuonCalib::IRtRelation::m_tmax_diff

inherited

Definition at line 34 of file IRtRelation.h.

p_sp3

TSpline3* MuonCalib::RtSpline::p_sp3

private

Definition at line 48 of file RtSpline.h.

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

• RtSpline.h
• RtSpline.cxx