recob::PCAxis Class Reference

#include <PCAxis.h>

Public Types
typedef std::vector< std::vector< double > >	EigenVectors

Public Member Functions
	PCAxis ()
	PCAxis (bool ok, int nHits, const double *eigenValues, const EigenVectors &eigenVecs, const double *avePos, const double aveHitDoca=9999., size_t id=0)
bool	getSvdOK () const
int	getNumHitsUsed () const
const double *	getEigenValues () const
const EigenVectors &	getEigenVectors () const
const double *	getAvePosition () const
double	getAveHitDoca () const
size_t	getID () const

Private Attributes
bool	fSvdOK
	SVD Decomposition was successful. More...
int	fNumHitsUsed
	Number of hits in the decomposition. More...
double	fEigenValues [3]
	Eigen values from SVD decomposition. More...
EigenVectors	fEigenVectors
	The three principle axes. More...
double	fAvePosition [3]
	Average position of hits fed to PCA. More...
double	fAveHitDoca
	Average doca of hits used in PCA. More...
size_t	fID
	axis ID More...

Friends
std::ostream &	operator<< (std::ostream &o, const PCAxis &a)
bool	operator< (const PCAxis &a, const PCAxis &b)

Detailed Description

Definition at line 25 of file PCAxis.h.

Member Typedef Documentation

typedef std::vector<std::vector<double> > recob::PCAxis::EigenVectors

Definition at line 29 of file PCAxis.h.

Constructor & Destructor Documentation

recob::PCAxis::PCAxis

(

)

Definition at line 21 of file PCAxis.cxx.

{
}

recob::PCAxis::PCAxis	(	bool	ok,
		int	nHits,
		const double *	eigenValues,
		const EigenVectors &	eigenVecs,
		const double *	avePos,
		const double	aveHitDoca = 9999.,
		size_t	id = 0
	)

Definition at line 26 of file PCAxis.cxx.

                                                      :
  fSvdOK(ok),
  fNumHitsUsed(nHits),
  fEigenVectors(eigenVecs),
  fAveHitDoca(aveHitDoca),
  fID(id)
{
    fEigenValues[0]     = eigenValues[0];
    fEigenValues[1]     = eigenValues[1];
    fEigenValues[2]     = eigenValues[2];
    fAvePosition[0]     = avePos[0];
    fAvePosition[1]     = avePos[1];
    fAvePosition[2]     = avePos[2];
}

Member Function Documentation

double recob::PCAxis::getAveHitDoca ( ) const

inline

Definition at line 68 of file PCAxis.h.

{return fAveHitDoca;}

const double * recob::PCAxis::getAvePosition ( ) const

inline

Definition at line 67 of file PCAxis.h.

{return fAvePosition;}

const double * recob::PCAxis::getEigenValues ( ) const

inline

Definition at line 65 of file PCAxis.h.

{return fEigenValues;}

const recob::PCAxis::EigenVectors & recob::PCAxis::getEigenVectors ( ) const

inline

Definition at line 66 of file PCAxis.h.

{return fEigenVectors;}

size_t recob::PCAxis::getID ( ) const

inline

Definition at line 69 of file PCAxis.h.

{return fID;}

int recob::PCAxis::getNumHitsUsed ( ) const

inline

Definition at line 64 of file PCAxis.h.

{return fNumHitsUsed;}

bool recob::PCAxis::getSvdOK ( ) const

inline

Definition at line 63 of file PCAxis.h.

{return fSvdOK;}

Friends And Related Function Documentation

bool operator< ( const PCAxis &  a, const PCAxis &  b  )

friend

Definition at line 73 of file PCAxis.cxx.

{
  if(a.getID() != b. getID())
    return a.getID() < b.getID();

  return false; //They are equal
}

std::ostream& operator<< ( std::ostream &  o, const PCAxis &  a  )

friend

Definition at line 50 of file PCAxis.cxx.

{
    if (a.fSvdOK)
    {
        o << std::setiosflags(std::ios::fixed) << std::setprecision(2);
        o << " PCAxis ID " << a.fID << " run with " << a.fNumHitsUsed << " space points" << std::endl;
        o << "   - center position: " << std::setw(6) << a.fAvePosition[0] << ", " << a.fAvePosition[1] << ", " << a.fAvePosition[2] << std::endl;
        o << "   - eigen values: " << std::setw(8) << std::right << a.fEigenValues[0] << ", "
            << a.fEigenValues[1] << ", " << a.fEigenValues[2] << std::endl;
        o << "   - average doca: " << a.fAveHitDoca << std::endl;
        o << "   - Principle axis: " << std::setw(7) << std::setprecision(4) << a.fEigenVectors[0][0] << ", " << a.fEigenVectors[0][1] << ", " << a.fEigenVectors[0][2] << std::endl;
        o << "   - second axis:    " << std::setw(7) << std::setprecision(4) << a.fEigenVectors[1][0] << ", " << a.fEigenVectors[1][1] << ", " << a.fEigenVectors[1][2] << std::endl;
        o << "   - third axis:     " << std::setw(7) << std::setprecision(4) << a.fEigenVectors[2][0] << ", " << a.fEigenVectors[2][1] << ", " << a.fEigenVectors[2][2] << std::endl;
    }
    else
        o << " Principal Components Axis is not valid" << std::endl;

    return o;
}

Member Data Documentation

double recob::PCAxis::fAveHitDoca

private

Average doca of hits used in PCA.

Definition at line 40 of file PCAxis.h.

double recob::PCAxis::fAvePosition[3]

private

Average position of hits fed to PCA.

Definition at line 39 of file PCAxis.h.

double recob::PCAxis::fEigenValues[3]

private

Eigen values from SVD decomposition.

Definition at line 37 of file PCAxis.h.

EigenVectors recob::PCAxis::fEigenVectors

private

The three principle axes.

Definition at line 38 of file PCAxis.h.

size_t recob::PCAxis::fID

private

axis ID

Definition at line 41 of file PCAxis.h.

int recob::PCAxis::fNumHitsUsed

private

Number of hits in the decomposition.

Definition at line 36 of file PCAxis.h.

bool recob::PCAxis::fSvdOK

private

SVD Decomposition was successful.

Definition at line 35 of file PCAxis.h.

---

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

• lardataobj/lardataobj/RecoBase/PCAxis.h
• lardataobj/lardataobj/RecoBase/PCAxis.cxx