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ConformalMappingFit Class Reference

#include <RecoPixelVertexing/PixelTrackFitting/src/ConformalMappingFit.h>

List of all members.

Public Types
typedef Basic2DVector< double >	PointXY
typedef TkRotation< double >	Rotation
Public Member Functions
int	charge () const
double	chi2 () const
	ConformalMappingFit (const std::vector< PointXY > &hits, const std::vector< float > &errRPhi2, const Rotation *rotation=0)
Measurement1D	curvature () const
Measurement1D	directionPhi () const
void	fixImpactParmaeter (double ip)
Measurement1D	impactParameter () const
const Rotation *	rotation () const
void	skipErrorCalculation ()
	~ConformalMappingFit ()
Private Member Functions
void	findRot (const PointXY &)
double	phiRot () const
Private Attributes
bool	myRotation
ParabolaFit	theFit
const Rotation *	theRotation
Classes
class	MappedPoint

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Detailed Description

Definition at line 14 of file ConformalMappingFit.h.

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Member Typedef Documentation

typedef Basic2DVector<double> ConformalMappingFit::PointXY

Definition at line 17 of file ConformalMappingFit.h.

typedef TkRotation<double> ConformalMappingFit::Rotation

Definition at line 16 of file ConformalMappingFit.h.

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Constructor & Destructor Documentation

ConformalMappingFit::ConformalMappingFit	(	const std::vector< PointXY > &	hits,
		const std::vector< float > &	errRPhi2,
		const Rotation *	rotation = 0
	)

Definition at line 7 of file ConformalMappingFit.cc.

References ParabolaFit::addPoint(), findRot(), i, theFit, and theRotation.

  : theRotation(rot), myRotation(rot==0)
{
  typedef ConformalMappingFit::MappedPoint<double> PointUV;
  int hits_size = hits.size();
  for ( int i= 0; i < hits_size; i++) {
    if (!theRotation) findRot( hits[i] );
    PointUV point( hits[i], 1./errRPhi2[i], theRotation); 
    theFit.addPoint( point.u(), point.v(), point.weight());
  }
}

ConformalMappingFit::~ConformalMappingFit

(

)

Definition at line 29 of file ConformalMappingFit.cc.

References myRotation, and theRotation.

{ if( myRotation) delete theRotation; }

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Member Function Documentation

int ConformalMappingFit::charge

(

void

)

const

Definition at line 56 of file ConformalMappingFit.cc.

References ParabolaFit::parA(), and theFit.

Referenced by PixelFitterByConformalMappingAndLine::run().

{ return (theFit.parA() > 0.) ? -1 : 1; }

double ConformalMappingFit::chi2

(

void

)

const [inline]

Definition at line 29 of file ConformalMappingFit.h.

References ParabolaFit::chi2(), and theFit.

Referenced by PixelFitterByConformalMappingAndLine::run().

{ return theFit.chi2(); }

Measurement1D ConformalMappingFit::curvature

(

)

const

Definition at line 35 of file ConformalMappingFit.cc.

References err, ParabolaFit::parA(), funct::sqrt(), theFit, and ParabolaFit::varAA().

Referenced by PixelFitterByConformalMappingAndLine::run().

{
  double val = fabs( 2. * theFit.parA() );
  double err  = 2.*sqrt(theFit.varAA());
  return Measurement1D(val,err);
}

Measurement1D ConformalMappingFit::directionPhi

(

)

const

Definition at line 42 of file ConformalMappingFit.cc.

References err, ParabolaFit::parB(), phiRot(), funct::sqrt(), theFit, and ParabolaFit::varBB().

Referenced by PixelFitterByConformalMappingAndLine::run().

{
  double val = phiRot() + atan(theFit.parB());
  double err = sqrt(theFit.varBB());
  return Measurement1D(val,err);
}

void ConformalMappingFit::findRot

(

const PointXY &

p

)

[private]

Definition at line 20 of file ConformalMappingFit.cc.

References myRotation, theRotation, Vector3DBase< T, FrameTag >::unit(), PV3DBase< T, PVType, FrameType >::x(), Basic2DVector< T >::x(), PV3DBase< T, PVType, FrameType >::y(), and Basic2DVector< T >::y().

Referenced by ConformalMappingFit().

{
  myRotation = true;
  GlobalVector aX = GlobalVector( p.x(), p.y(), 0.).unit();
  GlobalVector aY( -aX.y(), aX.x(), 0.);
  GlobalVector aZ( 0., 0., 1.);
  theRotation = new Rotation(aX,aY,aZ);
}

void ConformalMappingFit::fixImpactParmaeter

(

double

ip

)

[inline]

Definition at line 33 of file ConformalMappingFit.h.

References ParabolaFit::fixParC(), and theFit.

Referenced by PixelFitterByConformalMappingAndLine::run().

{ theFit.fixParC(ip); }

Measurement1D ConformalMappingFit::impactParameter

(

)

const

Definition at line 49 of file ConformalMappingFit.cc.

References err, ParabolaFit::parC(), funct::sqrt(), theFit, and ParabolaFit::varCC().

Referenced by PixelFitterByConformalMappingAndLine::run().

{
  double val = -theFit.parC(); 
  double err = sqrt(theFit.varCC());
  return Measurement1D(val,err);
}

double ConformalMappingFit::phiRot

(

)

const [private]

Definition at line 32 of file ConformalMappingFit.cc.

References theRotation, TkRotation< T >::xx(), and TkRotation< T >::xy().

Referenced by directionPhi().

{ return atan2( theRotation->xy(), theRotation->xx() ); }

const Rotation* ConformalMappingFit::rotation

(

void

)

const [inline]

Definition at line 31 of file ConformalMappingFit.h.

References theRotation.

{ return theRotation; }

void ConformalMappingFit::skipErrorCalculation

(

)

[inline]

Definition at line 34 of file ConformalMappingFit.h.

References ParabolaFit::skipErrorCalculationByDefault(), and theFit.

{ theFit.skipErrorCalculationByDefault(); }

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Member Data Documentation

bool ConformalMappingFit::myRotation [private]

Definition at line 41 of file ConformalMappingFit.h.

Referenced by findRot(), and ~ConformalMappingFit().

ParabolaFit ConformalMappingFit::theFit [private]

Definition at line 42 of file ConformalMappingFit.h.

Referenced by charge(), chi2(), ConformalMappingFit(), curvature(), directionPhi(), fixImpactParmaeter(), impactParameter(), and skipErrorCalculation().

const Rotation* ConformalMappingFit::theRotation [private]

Definition at line 41 of file ConformalMappingFit.h.

Referenced by ConformalMappingFit(), findRot(), phiRot(), rotation(), and ~ConformalMappingFit().

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

• RecoPixelVertexing/PixelTrackFitting/src/ConformalMappingFit.h
• RecoPixelVertexing/PixelTrackFitting/src/ConformalMappingFit.cc

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