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FitResult Class Reference

#include <FitResult.h>

List of all members.

Public Member Functions

 FitResult ()
 FitResult (const TMatrixD &fitErrMatrix, const TVectorD &fitParams, Double_t chi2, Double_t dchi2, Int_t nplanes, Int_t nhits)
virtual ~FitResult ()
const TMatrixD & GetFitErrM () const
const TVectorD & GetTrackOut () const
Double_t GetFitErrM (int i, int j) const
Double_t GetTrackOut (int i) const
Double_t GetFitParameter (int i) const
Double_t GetFitParameterError (int i) const
Double_t GetChi2 () const
Double_t GetdChi2 () const
Int_t GetQ () const
Double_t GetP () const
Double_t GetEP () const
int GetNPlanes () const
void SetNPlanes (Int_t nplanes)
int GetNHits () const
void SetNHits (Int_t nhits)
int GetNdof () const
void SetTrackOut (const TVectorD &fit)

Private Attributes

TMatrixD fFitErrM
TVectorD ftrackout
Double_t fChi2
Double_t fdchi2
Int_t fNPlanes
Int_t fNHits

Constructor & Destructor Documentation

FitResult::FitResult (   ) 
 

Definition at line 36 of file FitResult.cxx.

00036                      : 
00037         fFitErrM(NTrackParams, NTrackParams),
00038         ftrackout(NTrackParams), fChi2(0), fdchi2(0), 
00039         fNPlanes(0), fNHits(0)
00040 {
00041         TracerSA trace("FitResult::FitResult()");    
00042 }

FitResult::FitResult (  const TMatrixD &  fitErrMatrix,
const TVectorD &  fitParams,
Double_t  chi2,
Double_t  dchi2,
Int_t  nplanes,
Int_t  nhits
) 
 

Definition at line 48 of file FitResult.cxx.

00049                                                                              :
00050     fFitErrM(fitErrMatrix), ftrackout(fitParams), 
00051     fChi2(chi2), fdchi2(dchi2), 
00052     fNPlanes(nplanes), fNHits(nhits)
00053 {
00054     TracerSA trace(
00055     "FitResult::FitResult(const TMatrixD&,const TVectorD&,double,double,int)"
00056     );    
00057 }

virtual FitResult::~FitResult (   )  [inline, virtual]
 

Definition at line 30 of file FitResult.h.

00030 {};

Member Function Documentation

Double_t FitResult::GetChi2 (   )  const [inline]
 

Definition at line 41 of file FitResult.h.

Referenced by FitContext::FillNtpFitSA().

00041 { return fChi2; };

Double_t FitResult::GetdChi2 (   )  const [inline]
 

Definition at line 42 of file FitResult.h.

00042 { return fdchi2; };

Double_t FitResult::GetEP (   )  const
 

Definition at line 87 of file FitResult.cxx.

References fFitErrM, and ftrackout.

Referenced by FitContext::FillNtpFitSA().

00088 {
00089     TracerSA trace("FitResult::GetEP()");    
00090     if ( fFitErrM[kQoverP][kQoverP] > TinyNumber && 
00091                     TMath::Abs(ftrackout[kQoverP]) > TinyNumber ) {
00092         return pow(ftrackout[kQoverP],-2)*sqrt(fFitErrM[kQoverP][kQoverP]);
00093     } else {
00094         return -1.;
00095     }
00096 }

Double_t FitResult::GetFitErrM (  int  i,
int  j
)  const [inline]
 

Definition at line 35 of file FitResult.h.

00035 { return fFitErrM(i,j); };

const TMatrixD& FitResult::GetFitErrM (   )  const [inline]
 

Definition at line 32 of file FitResult.h.

Referenced by FitContext::FillNtpFitSA().

00032 { return fFitErrM; };

Double_t FitResult::GetFitParameter (  int  i  )  const [inline]
 

Definition at line 38 of file FitResult.h.

Referenced by FitContext::FillNtpFitSA().

00038 { return ftrackout(i); };

Double_t FitResult::GetFitParameterError (  int  i  )  const
 

Definition at line 102 of file FitResult.cxx.

References fFitErrM.

Referenced by FitContext::FillNtpFitSA().

00103 {    
00104     return pow( TMath::Max(TinyNumber,fFitErrM(i,i)), 0.5  );
00105 }

int FitResult::GetNdof (   )  const [inline]
 

Definition at line 53 of file FitResult.h.

Referenced by FitContext::FillNtpFitSA().

00053 { return fNHits-5; };

int FitResult::GetNHits (   )  const [inline]
 

Definition at line 51 of file FitResult.h.

00051 { return fNHits; };

int FitResult::GetNPlanes (   )  const [inline]
 

Definition at line 48 of file FitResult.h.

00048 { return fNPlanes; };

Double_t FitResult::GetP (   )  const
 

Definition at line 73 of file FitResult.cxx.

References ftrackout.

Referenced by FitContext::FillNtpFitSA().

00074 {
00075     TracerSA trace("FitResult::GetP()");    
00076     if ( TMath::Abs(ftrackout[kQoverP]) > TinyNumber ) {
00077         return TMath::Abs(1./ftrackout[kQoverP]);
00078     } else {
00079         return -1.;
00080     }
00081 }

Int_t FitResult::GetQ (   )  const
 

Definition at line 63 of file FitResult.cxx.

References ftrackout, and Particle::Sign().

Referenced by FitContext::FillNtpFitSA().

00064 {
00065     TracerSA trace("FitResult::GetQ()");    
00066     return (Int_t) TMath::Sign(1., ftrackout[kQoverP]);
00067 }

Double_t FitResult::GetTrackOut (  int  i  )  const [inline]
 

Definition at line 36 of file FitResult.h.

00036 { return ftrackout(i); };

const TVectorD& FitResult::GetTrackOut (   )  const [inline]
 

Definition at line 33 of file FitResult.h.

Referenced by FitContext::FillNtpFitSA(), and FitContext::SetFromLastGoodFit().

00033 { return ftrackout; };

void FitResult::SetNHits (  Int_t  nhits  )  [inline]
 

Definition at line 52 of file FitResult.h.

00052 { fNHits = nhits; };

void FitResult::SetNPlanes (  Int_t  nplanes  )  [inline]
 

Definition at line 49 of file FitResult.h.

00049 { fNPlanes = nplanes; };

void FitResult::SetTrackOut (  const TVectorD &  fit  )  [inline]
 

Definition at line 55 of file FitResult.h.

Referenced by FitContext::SetLastGoodFitParams().

00055 { ftrackout = fit; };

Member Data Documentation

Double_t FitResult::fChi2 [private]
 

chisquare of the fit

Definition at line 72 of file FitResult.h.

Double_t FitResult::fdchi2 [private]
 

chisquare between trackin and trackout

Definition at line 77 of file FitResult.h.

TMatrixD FitResult::fFitErrM [private]
 

error matrix of the fit parameters (inverse of fFitCovM)

Definition at line 62 of file FitResult.h.

Referenced by GetEP(), and GetFitParameterError().

Int_t FitResult::fNHits [private]
 

number of hit planes

Definition at line 87 of file FitResult.h.

Int_t FitResult::fNPlanes [private]
 

number of planes

Definition at line 82 of file FitResult.h.

TVectorD FitResult::ftrackout [private]
 

solution vector (u, du/dz, v, dv/dz, q/p)

Definition at line 67 of file FitResult.h.

Referenced by GetEP(), GetP(), and GetQ().

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