JFIT::JRegressor< JPoint4D, JGandalf > Struct Reference

#include <JPoint4DRegressor.hh>

Inheritance diagram for JFIT::JRegressor< JPoint4D, JGandalf >:

Public Types
typedef JGandalf< JPoint4D >	minimiser_type
typedef JRegressor< JPoint4D, JGandalf >	regressor_type
typedef minimiser_type::result_type	result_type

Public Member Functions
	JRegressor (double sigma)
	Constructor.
template<class JHit_t >
result_type	operator() (const JPoint4D &vx, const JHit_t &hit) const
result_type	operator() (const JPoint4D &value, T __begin, T __end)
	Global fit.

Public Attributes
JLANG::JSharedPointer< JMEstimator >	estimator
	M-Estimator function.
double	sigma
	Time resolution [ns].

Detailed Description

Definition at line 67 of file JPoint4DRegressor.hh.

Member Typedef Documentation

minimiser_type

typedef JGandalf <JPoint4D > JFIT::JAbstractRegressor< JPoint4D , JGandalf >::minimiser_type

inherited

Definition at line 80 of file JRegressor.hh.

regressor_type

typedef JRegressor<JPoint4D , JGandalf > JFIT::JAbstractRegressor< JPoint4D , JGandalf >::regressor_type

inherited

Definition at line 81 of file JRegressor.hh.

result_type

typedef minimiser_type::result_type JFIT::JAbstractRegressor< JPoint4D , JGandalf >::result_type

inherited

Definition at line 82 of file JRegressor.hh.

Constructor & Destructor Documentation

JRegressor()

JFIT::JRegressor< JPoint4D, JGandalf >::JRegressor ( double sigma )

inline

Constructor.

Definition at line 75 of file JPoint4DRegressor.hh.

    {
      this->sigma = sigma;
    }

Member Function Documentation

operator()() [1/2]

template<class JHit_t >

result_type JFIT::JRegressor< JPoint4D, JGandalf >::operator() ( const JPoint4D & vx, const JHit_t & hit ) const

inline

Definition at line 89 of file JPoint4DRegressor.hh.

    {
      using namespace JPP;
 
      const double dt = hit.getT() - vx.getT(hit.getPosition());
 
      const double u  = dt / sigma;
      result_type result;
      result.chi2 = estimator->getRho(u) * hit.getW();
 
      JVector3D d = hit.getPosition() - vx.getPosition();
      
      double weight = getIndexOfRefraction() * getInverseSpeedOfLight()/(d.getLength() * sigma);
      
      result.gradient = hit.getW() * JPoint4D( d * weight,
                                               -1/sigma);
      result.gradient.mul(0.5 * estimator->getPsi(u));
      
      return result;
    }

operator()() [2/2]

result_type JFIT::JAbstractRegressor< JPoint4D , JGandalf >::operator() ( const JPoint4D & value, T __begin, T __end )

inlineinherited

Global fit.

Parameters

value	start value
__begin	begin of data set
__end	end of data set

Returns

chi2

Definition at line 94 of file JRegressor.hh.

Member Data Documentation

estimator

JLANG::JSharedPointer<JMEstimator> JFIT::JRegressor< JPoint4D, JGandalf >::estimator

M-Estimator function.

Definition at line 110 of file JPoint4DRegressor.hh.

sigma

double JFIT::JRegressor< JPoint4D, JGandalf >::sigma

Time resolution [ns].

Definition at line 111 of file JPoint4DRegressor.hh.

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The documentation for this struct was generated from the following file:

• JPoint4DRegressor.hh