+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/* $Id$ */
-
-//-----------------------------------------------------------------------------
-// Class AliMUONHitForRec
-// ------------------------
-// Hit for reconstruction in ALICE dimuon spectrometer
-// Author: J. Gosset
-//-----------------------------------------------------------------------------
-
-#include "AliMUONHitForRec.h"
-#include "AliMUONVCluster.h"
-#include "AliMUONConstants.h"
-#include "AliLog.h"
-#include "TMath.h"
-#include "Riostream.h"
-
-/// \cond CLASSIMP
-ClassImp(AliMUONHitForRec) // Class implementation in ROOT context
-/// \endcond
-
- //__________________________________________________________________________
-AliMUONHitForRec::AliMUONHitForRec()
- : TObject(),
- fBendingCoor(0.),
- fNonBendingCoor(0.),
- fZ(0.),
- fBendingReso2(0.),
- fNonBendingReso2(0.),
- fChamberNumber(0),
- fDetElemId(0),
- fHitNumber(0),
- fTTRTrack(0),
- fTrackRefSignal(0),
- fNTrackHits(0)
-{
-/// Default Constructor
-
-}
-
- //__________________________________________________________________________
-AliMUONHitForRec::AliMUONHitForRec(AliMUONVCluster* theRawCluster)
- : TObject(),
- fBendingCoor(theRawCluster->GetY()),
- fNonBendingCoor(theRawCluster->GetX()),
- fZ(0.),
- fBendingReso2(0.),
- fNonBendingReso2(0.),
- fChamberNumber(0),
- fDetElemId(theRawCluster->GetDetElemId()),
- fHitNumber(0),
- fTTRTrack(-1),
- fTrackRefSignal(-1),
- fNTrackHits(0)
-{
-/// Constructor for AliMUONHitForRec from a raw cluster.
-/// Fills the bending and non bending coordinates.
-
- // other fields will be updated in
- // AliMUONEventReconstructor::AddHitsForRecFromRawClusters,
- return;
-}
-
- //__________________________________________________________________________
-AliMUONHitForRec::AliMUONHitForRec (const AliMUONHitForRec& theMUONHitForRec)
- : TObject(theMUONHitForRec),
- fBendingCoor(theMUONHitForRec.fBendingCoor),
- fNonBendingCoor(theMUONHitForRec.fNonBendingCoor),
- fZ(theMUONHitForRec.fZ),
- fBendingReso2(theMUONHitForRec.fBendingReso2),
- fNonBendingReso2(theMUONHitForRec.fNonBendingReso2),
- fChamberNumber(theMUONHitForRec.fChamberNumber),
- fDetElemId(theMUONHitForRec.fDetElemId),
- fHitNumber(theMUONHitForRec.fHitNumber),
- fTTRTrack(theMUONHitForRec.fTTRTrack),
- fTrackRefSignal(theMUONHitForRec.fTrackRefSignal),
- fNTrackHits(theMUONHitForRec.fNTrackHits)
-{
-/// Copy constructor
-
-}
-
- //__________________________________________________________________________
-AliMUONHitForRec::~AliMUONHitForRec()
-{
-/// Destructor
-}
-
- //__________________________________________________________________________
-AliMUONHitForRec & AliMUONHitForRec::operator=(const AliMUONHitForRec& theMUONHitForRec)
-{
-/// Assignment operator
-
- fBendingCoor = theMUONHitForRec.fBendingCoor;
- fNonBendingCoor = theMUONHitForRec.fNonBendingCoor;
- fZ = theMUONHitForRec.fZ;
- fBendingReso2 = theMUONHitForRec.fBendingReso2;
- fNonBendingReso2 = theMUONHitForRec.fNonBendingReso2;
- fChamberNumber = theMUONHitForRec.fChamberNumber;
- fDetElemId = theMUONHitForRec.fDetElemId;
- fHitNumber = theMUONHitForRec.fHitNumber;
- fTTRTrack = theMUONHitForRec.fTTRTrack;
- fTrackRefSignal = theMUONHitForRec.fTrackRefSignal;
- fNTrackHits = theMUONHitForRec.fNTrackHits;
- return *this;
-}
- //__________________________________________________________________________
-/*AZ
-Int_t AliMUONHitForRec::Compare(const TObject* Hit) const
-{
- // "Compare" function to sort with increasing chamber number.
- // Returns -1 (0, +1) if ChamberNumber of current HitForRec
- // is smaller than (equal to, larger than) ChamberNumber of Hit
- if (fChamberNumber < ((AliMUONHitForRec*)Hit)->fChamberNumber) return(-1);
- else if (fChamberNumber == ((AliMUONHitForRec*)Hit)->fChamberNumber) return( 0);
- else return(+1);
-}
-*/
- //__________________________________________________________________________
-Int_t AliMUONHitForRec::Compare(const TObject* Hit) const
-{
-/// "Compare" function to sort with decreasing Z-coordinate (spectro. MUON z<0).
-/// Returns 1 (0, -1) if Z-coordinate of current HitForRec
-/// is smaller than (equal to, larger than) Z-coordinate of Hit
-
- if (fZ < ((AliMUONHitForRec*)Hit)->fZ) return(1);
- else if (fZ == ((AliMUONHitForRec*)Hit)->fZ) return( 0);
- else return(-1);
-}
-
- //__________________________________________________________________________
-Double_t AliMUONHitForRec::NormalizedChi2WithHitForRec(AliMUONHitForRec* hitForRec, Double_t Sigma2Cut) const
-{
-/// Calculate the normalized Chi2 between the current hitForRec (this) and the hitForRec pointed to by "hitForRec",
-/// i.e. the square deviations between the coordinates, in both the bending and the non bending plane,
-/// divided by the variance of the same quantities and by "Sigma2Cut".
-/// Returns 3 if none of the 2 quantities is OK, something smaller than or equal to 2 otherwise.
-/// Would it be more correct to use a real chi square including the non diagonal term ????
-
- Double_t chi2, chi2Max, diff, normDiff;
- chi2 = 0.0;
- chi2Max = 3.0;
- // coordinate in bending plane
- diff = fBendingCoor - hitForRec->fBendingCoor;
- normDiff = diff * diff / (fBendingReso2 + hitForRec->fBendingReso2) / Sigma2Cut;
- if (normDiff > 1.0) return chi2Max;
- chi2 = chi2 + normDiff;
- // coordinate in non bending plane
- diff = fNonBendingCoor - hitForRec->fNonBendingCoor;
- normDiff = diff * diff / (fNonBendingReso2 + hitForRec->fNonBendingReso2) / Sigma2Cut;
- if (normDiff > 1.0) return chi2Max;
- chi2 = chi2 + normDiff;
- return chi2;
-}
-
-//______________________________________________________________________________
-void
-AliMUONHitForRec::Print(Option_t* /*opt*/) const
-{
-/// Printing
-
- cout << "<AliMUONHitForRec> Coordinates (B,NB,Z) = ("
- << setw(8) << setprecision(5) << fBendingCoor
- << "," << setw(8) << setprecision(5) << fNonBendingCoor << ","
- << setw(8) << setprecision(5) << fZ << ") "
- << "Reso (B,NB)=(" << setw(8) << setprecision(5) << TMath::Sqrt(fBendingReso2)
- << "," << setw(8) << setprecision(5) << TMath::Sqrt(fNonBendingReso2)
- << ") "
- << "Number " << setw(3) << fHitNumber
- << " within chamber " << setw(3) <<fChamberNumber
- << " DE " << setw(4) << fDetElemId
- << endl;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff