GsfBetheHeitlerUpdator Class Reference

#include <GsfBetheHeitlerUpdator.h>

Inheritance diagram for GsfBetheHeitlerUpdator:

Classes
class	Polynomial

Public Types
enum	CorrectionFlag { NoCorrection =0, MeanCorrection =1, FullCorrection =2 }
Public Types inherited from GsfMaterialEffectsUpdator
typedef materialEffect::Covariance	Covariance
typedef materialEffect::CovIndex	CovIndex
typedef materialEffect::Effect	Effect

Public Member Functions
virtual GsfBetheHeitlerUpdator *	clone () const
	GsfBetheHeitlerUpdator (const std::string fileName, const int correctionFlag)
	constructor with explicit filename and correction flag More...
Public Member Functions inherited from GsfMaterialEffectsUpdator
	GsfMaterialEffectsUpdator (float mass, uint32_t is)
float	mass () const
size_t	size () const
virtual TrajectoryStateOnSurface	updateState (const TrajectoryStateOnSurface &TSoS, const PropagationDirection propDir) const
virtual	~GsfMaterialEffectsUpdator ()

Private Types
typedef Triplet< float, float, float >	GSContainer

Private Member Functions
virtual void	compute (const TrajectoryStateOnSurface &, const PropagationDirection, Effect[]) const
	Computation: generates vectors of weights, means and standard deviations. More...
float	correctedFirstMean (const float, const GSContainer[]) const
	Correction for mean of component 1. More...
float	correctedFirstVar (const float, const GSContainer[]) const
	Correction for variance of component 1. More...
void	correctWeights (GSContainer[]) const
	Correction for weight of component 1. More...
void	getMixtureParameters (const float, GSContainer[]) const
	Filling of mixture (in terms of z=E/E0) More...
void	readParameters (const std::string)
	Read parametrization from file. More...
Polynomial	readPolynomial (std::ifstream &, const int)
	Read coefficients of one polynomial from file. More...

Private Attributes
int	theCorrectionFlag
	values to be transformed by logistic / exp. function? More...
int	theNrComponents
Polynomial	thePolyMeans [MaxSize]
	parametrisation of weight for each component More...
Polynomial	thePolyVars [MaxSize]
	parametrisation of mean for each componentP More...
Polynomial	thePolyWeights [MaxSize]
	correction of 1st or 1st&2nd moments More...
int	theTransformationCode
	number of components used for parameterisation More...

Static Private Attributes
static int	MaxOrder =6
static int	MaxSize =6

Additional Inherited Members
Protected Member Functions inherited from GsfMaterialEffectsUpdator
void	resize (size_t is)

Detailed Description

Description of electron energy loss according to Bethe-Heitler as a sum of Gaussian components. The weights and parameters of the Gaussians as a function of x/X0 are parametrized as polynomials. The coefficients of these polynomials are read from a file at construction time.

Definition at line 26 of file GsfBetheHeitlerUpdator.h.

Member Typedef Documentation

typedef Triplet<float,float,float> GsfBetheHeitlerUpdator::GSContainer

private

Definition at line 72 of file GsfBetheHeitlerUpdator.h.

Member Enumeration Documentation

enum GsfBetheHeitlerUpdator::CorrectionFlag

Enumerator
NoCorrection
MeanCorrection
FullCorrection

Definition at line 59 of file GsfBetheHeitlerUpdator.h.

{ NoCorrection=0, MeanCorrection=1, FullCorrection=2 };

Constructor & Destructor Documentation

GsfBetheHeitlerUpdator::GsfBetheHeitlerUpdator	(	const std::string	fileName,
		const int	correctionFlag
	)

constructor with explicit filename and correction flag

Definition at line 46 of file GsfBetheHeitlerUpdator.cc.

Referenced by clone().

Member Function Documentation

virtual GsfBetheHeitlerUpdator* GsfBetheHeitlerUpdator::clone ( void  ) const

inlinevirtual

Implements GsfMaterialEffectsUpdator.

Definition at line 62 of file GsfBetheHeitlerUpdator.h.

References GsfBetheHeitlerUpdator().

  {
    return new GsfBetheHeitlerUpdator(*this);
  }

void GsfBetheHeitlerUpdator::compute ( const TrajectoryStateOnSurface &  TSoS, const PropagationDirection  propDir, Effect  effects[]  ) const

privatevirtual

Computation: generates vectors of weights, means and standard deviations.

Implements GsfMaterialEffectsUpdator.

Definition at line 97 of file GsfBetheHeitlerUpdator.cc.

float GsfBetheHeitlerUpdator::correctedFirstMean ( const float  rl, const GSContainer  mixture[]  ) const

private

Correction for mean of component 1.

Definition at line 212 of file GsfBetheHeitlerUpdator.cc.

float GsfBetheHeitlerUpdator::correctedFirstVar ( const float  rl, const GSContainer  mixture[]  ) const

private

Correction for variance of component 1.

Definition at line 230 of file GsfBetheHeitlerUpdator.cc.

void GsfBetheHeitlerUpdator::correctWeights ( GSContainer  mixture[] ) const

private

Correction for weight of component 1.

Definition at line 194 of file GsfBetheHeitlerUpdator.cc.

void GsfBetheHeitlerUpdator::getMixtureParameters ( const float  rl, GSContainer  mixture[]  ) const

private

Filling of mixture (in terms of z=E/E0)

Definition at line 169 of file GsfBetheHeitlerUpdator.cc.

void GsfBetheHeitlerUpdator::readParameters ( const std::string  fileName )

private

Read parametrization from file.

Definition at line 63 of file GsfBetheHeitlerUpdator.cc.

GsfBetheHeitlerUpdator::Polynomial GsfBetheHeitlerUpdator::readPolynomial ( std::ifstream &  aStream, const int  order  )

private

Read coefficients of one polynomial from file.

Definition at line 89 of file GsfBetheHeitlerUpdator.cc.

Member Data Documentation

int GsfBetheHeitlerUpdator::MaxOrder =6

staticprivate

Definition at line 30 of file GsfBetheHeitlerUpdator.h.

int GsfBetheHeitlerUpdator::MaxSize =6

staticprivate

Definition at line 29 of file GsfBetheHeitlerUpdator.h.

int GsfBetheHeitlerUpdator::theCorrectionFlag

private

values to be transformed by logistic / exp. function?

Definition at line 98 of file GsfBetheHeitlerUpdator.h.

int GsfBetheHeitlerUpdator::theNrComponents

private

Definition at line 96 of file GsfBetheHeitlerUpdator.h.

Polynomial GsfBetheHeitlerUpdator::thePolyMeans[MaxSize]

private

parametrisation of weight for each component

Definition at line 101 of file GsfBetheHeitlerUpdator.h.

Polynomial GsfBetheHeitlerUpdator::thePolyVars[MaxSize]

private

parametrisation of mean for each componentP

Definition at line 102 of file GsfBetheHeitlerUpdator.h.

Polynomial GsfBetheHeitlerUpdator::thePolyWeights[MaxSize]

private

correction of 1st or 1st&2nd moments

Definition at line 100 of file GsfBetheHeitlerUpdator.h.

int GsfBetheHeitlerUpdator::theTransformationCode

private

number of components used for parameterisation

Definition at line 97 of file GsfBetheHeitlerUpdator.h.