MdcSegInfoAxialO Class Reference

#include <MdcSegInfoAxialO.h>

Inheritance diagram for MdcSegInfoAxialO:

List of all members.

Public Member Functions
	MdcSegInfoAxialO ()
	~MdcSegInfoAxialO ()
double	phi0 () const
double	curv () const
double	sigCurv () const
double	sigPhi0 () const
bool	parIsAngle (int i) const
void	calcFromOrigin (const MdcSeg *parentSeg)
void	calcFromOrigin (double phi, double slope, double rad, const double *inErr)
const double *	errmat () const
const double *	inverr () const
double	par (int i) const
double	arc () const
void	plotSegInfo () const
Protected Attributes
double	_par0
double	_par1
double	_errmat [3]
double	_inverr [3]
double	_arc
Private Member Functions
MdcSegInfoAxialO &	operator= (const MdcSegInfoAxialO &)
	MdcSegInfoAxialO (const MdcSegInfoAxialO &)

---

Detailed Description

Definition at line 27 of file MdcSegInfoAxialO.h.

---

Constructor & Destructor Documentation

MdcSegInfoAxialO::MdcSegInfoAxialO

(

)

[inline]

Definition at line 30 of file MdcSegInfoAxialO.h.

{ };

MdcSegInfoAxialO::~MdcSegInfoAxialO

(

)

[inline]

Definition at line 31 of file MdcSegInfoAxialO.h.

{ };

MdcSegInfoAxialO::MdcSegInfoAxialO

(

const MdcSegInfoAxialO &

)

[private]

---

Member Function Documentation

double MdcSegInfo::arc

(

)

const [inline, inherited]

Definition at line 44 of file MdcSegInfo.h.

References MdcSegInfo::_arc.

Referenced by MdcSegInfoSterO::calcStereo(), MdcSegGrouperSt::incompWithGroup(), and MdcSeg::plotSegAll().

{return _arc;}

void MdcSegInfoAxialO::calcFromOrigin	(	double	phi,
		double	slope,
		double	rad,
		const double *	inErr
	)

Definition at line 34 of file MdcSegInfoAxialO.cxx.

References MdcSegInfo::_errmat, MdcSegInfo::_inverr, MdcSegInfo::_par0, MdcSegInfo::_par1, ers::error, mdcTwoInv(), phi0(), and subSeperate::temp.

                                                                      {
//------------------------------------------------------------------
  
  if (slope == 0.) slope = 0.00000001;
  double slinv = 1./slope;
  _par1 = slope / sqrt(1. + radius*radius * slope*slope);  //curve
  double temp = 1. - _par1*_par1 * radius*radius;
  if (temp < 0.) temp = 0.;
  double dphi0ds = -radius * _par1 * sqrt(temp) * slinv;
  BesAngle phi0 = phi - asin(_par1 * radius);    
  _par0 = phi0.posRad();

  // phi0:
  _errmat[0] = inErr[2] * dphi0ds * dphi0ds  + inErr[0]  +  
    inErr[1] * 2. * dphi0ds;
  if (_errmat[0] < 0.) _errmat[0] = 0.;
  // curv:
  _errmat[2] = inErr[2] * _par1*_par1 * temp*temp * slinv*slinv;
  if (_errmat[2] < 0.) _errmat[2] = 0.;
    // phi0|curv:
  _errmat[1] = inErr[2] *_par1 * slinv * temp * dphi0ds + 
               inErr[1] *_par1 * slinv * temp;
  int error = mdcTwoInv(_errmat, _inverr);
  if (error) {
    std::cout << " ErrMsg(warning) " 
      << "Failed to invert matrix -- MdcSegInfo::calcFromOrigin" << endl
      << _errmat[0] << " " << _errmat[1] << " " << _errmat[2]<< endl;
  }
}

void MdcSegInfoAxialO::calcFromOrigin

(

const MdcSeg *

parentSeg

)

Definition at line 67 of file MdcSegInfoAxialO.cxx.

References MdcSeg::errmat(), MdcSeg::phi(), MdcSuperLayer::rad0(), MdcSeg::slope(), and MdcSeg::superlayer().

Referenced by MdcSegGrouperAx::fillWithSegs().

                                                        {
//-------------------------------------------------------------------
  double slope = parentSeg->slope();
  double radius = parentSeg->superlayer()->rad0();
  double phi = parentSeg->phi();
  const double *inErr = parentSeg->errmat();

  calcFromOrigin(phi, slope, radius, inErr);
}

double MdcSegInfoAxialO::curv

(

void

)

const [inline]

Definition at line 34 of file MdcSegInfoAxialO.h.

References MdcSegInfo::_par1.

Referenced by MdcSegGrouperAx::incompWithSeg().

{return _par1;}

const double* MdcSegInfo::errmat

(

)

const [inline, inherited]

Definition at line 39 of file MdcSegInfo.h.

References MdcSegInfo::_errmat.

Referenced by MdcSegGrouper::calcParBySegs().

{return _errmat;}

const double* MdcSegInfo::inverr

(

)

const [inline, inherited]

Definition at line 40 of file MdcSegInfo.h.

References MdcSegInfo::_inverr.

Referenced by MdcSegGrouper::calcParBySegs().

{return _inverr;}

MdcSegInfoAxialO& MdcSegInfoAxialO::operator=

(

const MdcSegInfoAxialO &

)

[private]

double MdcSegInfo::par

(

int

i

)

const [inline, inherited]

Definition at line 43 of file MdcSegInfo.h.

References MdcSegInfo::_par0, and MdcSegInfo::_par1.

Referenced by MdcSegGrouper::calcParBySegs(), MdcSegInfoSterO::calcStereo(), MdcSegGrouper::combineSegs(), MdcSeg::plotSegAll(), and MdcSegInfoSterO::zPosition().

{return (0 == i) ? _par0 : _par1;}

bool MdcSegInfoAxialO::parIsAngle

(

int

i

)

const [virtual]

Implements MdcSegInfo.

Definition at line 27 of file MdcSegInfoAxialO.cxx.

                                        {
//---------------------------------------------------------------------------
  assert (i >= 0 && i < 2);
  return (0 == i);   //i.e., 0th parameter is an angle
}

double MdcSegInfoAxialO::phi0

(

void

)

const [inline]

Definition at line 33 of file MdcSegInfoAxialO.h.

References MdcSegInfo::_par0.

Referenced by calcFromOrigin(), MdcSegGrouperAx::fillWithSegs(), and MdcSegGrouperAx::incompWithSeg().

{return _par0;}

void MdcSegInfo::plotSegInfo

(

)

const [inherited]

Definition at line 28 of file MdcSegInfo.cxx.

References MdcSegInfo::_arc, MdcSegInfo::_par0, and MdcSegInfo::_par1.

                                  {
//------------------------------------------------------------------------
  std::cout<<"seginfo: "<<_par0<<" "<<_par1<<" "<<_arc<<  std::endl;
} 

double MdcSegInfoAxialO::sigCurv

(

)

const

Definition at line 85 of file MdcSegInfoAxialO.cxx.

References MdcSegInfo::_errmat.

Referenced by MdcSegGrouperAx::incompWithSeg().

                                {
//-------------------------------------------------------------------
return sqrt(_errmat[2]);}

double MdcSegInfoAxialO::sigPhi0

(

)

const

Definition at line 79 of file MdcSegInfoAxialO.cxx.

References MdcSegInfo::_errmat.

Referenced by MdcSegGrouperAx::incompWithSeg().

                                {
//-------------------------------------------------------------------
return sqrt(_errmat[0]);}

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Member Data Documentation

double MdcSegInfo::_arc [protected, inherited]

Definition at line 53 of file MdcSegInfo.h.

Referenced by MdcSegInfo::arc(), MdcSegInfoSterO::calcStereo(), and MdcSegInfo::plotSegInfo().

double MdcSegInfo::_errmat[3] [protected, inherited]

Definition at line 51 of file MdcSegInfo.h.

Referenced by calcFromOrigin(), MdcSegInfoSterO::calcStereo(), MdcSegInfoCsmc::calcStraight(), MdcSegInfo::errmat(), sigCurv(), MdcSegInfoCsmc::sigD0(), MdcSegInfoCsmc::sigPhi0(), and sigPhi0().

double MdcSegInfo::_inverr[3] [protected, inherited]

Definition at line 52 of file MdcSegInfo.h.

Referenced by calcFromOrigin(), MdcSegInfoSterO::calcStereo(), MdcSegInfoCsmc::calcStraight(), and MdcSegInfo::inverr().

double MdcSegInfo::_par0 [protected, inherited]

Definition at line 49 of file MdcSegInfo.h.

Referenced by calcFromOrigin(), MdcSegInfoSterO::calcStereo(), MdcSegInfoCsmc::calcStraight(), MdcSegInfoCsmc::d0(), MdcSegInfo::par(), phi0(), MdcSegInfo::plotSegInfo(), and MdcSegInfoSterO::z0().

double MdcSegInfo::_par1 [protected, inherited]

Definition at line 50 of file MdcSegInfo.h.

Referenced by calcFromOrigin(), MdcSegInfoSterO::calcStereo(), MdcSegInfoCsmc::calcStraight(), MdcSegInfoSterO::ct(), curv(), MdcSegInfo::par(), MdcSegInfoCsmc::phi0(), and MdcSegInfo::plotSegInfo().

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