PosteriorWeightsCalculator Class Reference

#include <PosteriorWeightsCalculator.h>

Public Member Functions
	PosteriorWeightsCalculator (const std::vector< TSOS > &mixture)
std::vector< double >	weights (const TrackingRecHit &tsos) const
	Create random state. More...
template<unsigned int D>
std::vector< double >	weights (const TrackingRecHit &tsos) const
	~PosteriorWeightsCalculator ()

Private Types
typedef TrajectoryStateOnSurface	TSOS

Private Attributes
std::vector< TSOS >	predictedComponents

Detailed Description

Helper class which calculates the posterior weights of a Gaussian mixture given a prior (predicted) mixture and a RecHit. The prior is specified during construction time in the form of a vector of trajectory states.

Definition at line 13 of file PosteriorWeightsCalculator.h.

Member Typedef Documentation

typedef TrajectoryStateOnSurface PosteriorWeightsCalculator::TSOS

private

Definition at line 15 of file PosteriorWeightsCalculator.h.

Constructor & Destructor Documentation

PosteriorWeightsCalculator::PosteriorWeightsCalculator ( const std::vector< TSOS > &  mixture )

inline

Definition at line 18 of file PosteriorWeightsCalculator.h.

: predictedComponents(mixture) {}

PosteriorWeightsCalculator::~PosteriorWeightsCalculator ( )

inline

Definition at line 20 of file PosteriorWeightsCalculator.h.

{}

Member Function Documentation

std::vector< double > PosteriorWeightsCalculator::weights

(

const TrackingRecHit &

tsos

)

const

Create random state.

Definition at line 11 of file PosteriorWeightsCalculator.cc.

References TrackingRecHit::dimension(), and Exception.

Referenced by GsfChi2MeasurementEstimator::estimate(), and GsfMultiStateUpdator::update().

                                                                                        {
  switch (recHit.dimension()) {
    case 1:
      return weights<1>(recHit);
    case 2:
      return weights<2>(recHit);
    case 3:
      return weights<3>(recHit);
    case 4:
      return weights<4>(recHit);
    case 5:
      return weights<5>(recHit);
  }
  throw cms::Exception("Error: rechit of size not 1,2,3,4,5");
}

template<unsigned int D>

std::vector<double> PosteriorWeightsCalculator::weights

(

const TrackingRecHit &

tsos

)

const

Member Data Documentation

std::vector<TSOS> PosteriorWeightsCalculator::predictedComponents

private

Definition at line 27 of file PosteriorWeightsCalculator.h.