* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.3 2000/06/25 13:06:39 hristov
-Inline functions moved from *.cxx to *.h files instead of forward declarations
+/* $Id$ */
-Revision 1.2 2000/06/15 07:58:48 morsch
-Code from MUON-dev joined
-
-Revision 1.1.2.4 2000/06/12 10:11:10 morsch
-Dummy copy constructor and assignment operator added
-
-Revision 1.1.2.3 2000/06/09 22:14:43 morsch
-Make includes consistent with new file naming.
-
-Revision 1.1.2.2 2000/06/09 12:58:05 gosset
-Removed comment beginnings in Log sections of .cxx files
-Suppressed most violations of coding rules
-
-Revision 1.1.2.1 2000/06/07 14:44:53 gosset
-Addition of files for track reconstruction in C++
-*/
-
-//__________________________________________________________________________
-//
+// ------------------------
+// Class AliMUONHitForRec
+// ------------------------
// Hit for reconstruction in ALICE dimuon spectrometer
-//__________________________________________________________________________
+// Author: J. Gosset
+#include "AliTrackReference.h"
#include "AliMUONHitForRec.h"
-#include "AliMUONTrackParam.h"
#include "AliMUONRawCluster.h"
#include "AliMUONHit.h"
+#include "AliMUONConstants.h"
+#include "AliLog.h"
ClassImp(AliMUONHitForRec) // Class implementation in ROOT context
//__________________________________________________________________________
-AliMUONHitForRec::AliMUONHitForRec(AliMUONHit* Ghit)
+AliMUONHitForRec::AliMUONHitForRec()
+ : TObject()
{
- // Constructor for AliMUONHitForRec from a GEANT hit.
- // Fills the bending, non bending, and Z coordinates,
- // which are taken from the coordinates of the GEANT hit,
- // the track number (GEANT and not TH),
- // and the chamber number (0...).
- fBendingCoor = Ghit->Y();
- fNonBendingCoor = Ghit->X();
- fZ = Ghit->Z();
- // fTrack = Ghit->fTrack; ?????????
- fChamberNumber = Ghit->fChamber - 1;
+/// Default Constructor
+
+ fFirstTrackHitPtr = 0;
+ fLastTrackHitPtr = 0;
+}
+
+ //__________________________________________________________________________
+AliMUONHitForRec::AliMUONHitForRec(AliTrackReference* theGhit)
+ : TObject()
+{
+/// Constructor for AliMUONHitForRec from a track ref. hit.
+/// Fills the bending, non bending, and Z coordinates,
+/// which are taken from the coordinates of the track ref. hit,
+/// the track number (track ref. and not TH),
+/// and the chamber number (0...).
+
+ fBendingCoor = theGhit->Y();
+ fNonBendingCoor = theGhit->X();
+ fZ = theGhit->Z();
+ // fTrack = theGhit->fTrack; ?????????
+ fChamberNumber = AliMUONConstants::ChamberNumber(fZ);
+ fDetElemId = 0;
// other fields will be updated in
- // AliMUONEventReconstructor::NewHitForRecFromGEANT,
+ // AliMUONEventReconstructor::NewHitForRecFromTrackRef,
// except the following ones
fIndexOfFirstSegment = -1;
fNSegments = 0;
// }
//__________________________________________________________________________
-AliMUONHitForRec::AliMUONHitForRec(AliMUONRawCluster* RawCluster)
+AliMUONHitForRec::AliMUONHitForRec(AliMUONRawCluster* theRawCluster)
+ : TObject()
{
- // Constructor for AliMUONHitForRec from a raw cluster.
- // Fills the bending and non bending coordinates.
- fNonBendingCoor = RawCluster->fX[0];
- fBendingCoor = RawCluster->fY[0];
+/// Constructor for AliMUONHitForRec from a raw cluster.
+/// Fills the bending and non bending coordinates.
+
+ fNonBendingCoor = theRawCluster->GetX(0);
+ fBendingCoor = theRawCluster->GetY(0);
+ fDetElemId = theRawCluster->GetDetElemId();
// other fields will be updated in
// AliMUONEventReconstructor::AddHitsForRecFromRawClusters,
// except the following ones
- fTHTrack = -1;
- fGeantSignal = -1;
+ fTTRTrack = -1;
+ fTrackRefSignal = -1;
fIndexOfFirstSegment = -1;
fNSegments = 0;
fFirstTrackHitPtr = fLastTrackHitPtr = NULL;
return;
}
-AliMUONHitForRec::AliMUONHitForRec (const AliMUONHitForRec& MUONHitForRec)
+ //__________________________________________________________________________
+AliMUONHitForRec::AliMUONHitForRec (const AliMUONHitForRec& theMUONHitForRec)
+ : TObject(theMUONHitForRec)
{
-// Dummy copy constructor
+/// Copy constructor
+
+ 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;
+ fIndexOfFirstSegment = theMUONHitForRec.fIndexOfFirstSegment;
+ fNSegments = theMUONHitForRec.fNSegments;
+ fFirstTrackHitPtr = theMUONHitForRec.fFirstTrackHitPtr;
+ fLastTrackHitPtr = theMUONHitForRec.fLastTrackHitPtr;
+ fNTrackHits = theMUONHitForRec.fNTrackHits;
}
-AliMUONHitForRec & AliMUONHitForRec::operator=(const AliMUONHitForRec& MUONHitForRec)
+ //__________________________________________________________________________
+AliMUONHitForRec & AliMUONHitForRec::operator=(const AliMUONHitForRec& theMUONHitForRec)
{
-// Dummy assignment operator
- return *this;
+/// 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;
+ fIndexOfFirstSegment = theMUONHitForRec.fIndexOfFirstSegment;
+ fNSegments = theMUONHitForRec.fNSegments;
+ fFirstTrackHitPtr = theMUONHitForRec.fFirstTrackHitPtr;
+ fLastTrackHitPtr = theMUONHitForRec.fLastTrackHitPtr;
+ fNTrackHits = theMUONHitForRec.fNTrackHits;
+ return *this;
}
//__________________________________________________________________________
-Int_t AliMUONHitForRec::Compare(TObject* Hit)
+/*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
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)
+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 ????
+/// 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 = this->fBendingCoor - HitForRec->fBendingCoor;
+ diff = fBendingCoor - hitForRec->fBendingCoor;
normDiff = diff * diff /
- (this->fBendingReso2 + HitForRec->fBendingReso2) / Sigma2Cut;
+ (fBendingReso2 + hitForRec->fBendingReso2) / Sigma2Cut;
if (normDiff > 1.0) return chi2Max;
chi2 = chi2 + normDiff;
// coordinate in non bending plane
- diff = this->fNonBendingCoor - HitForRec->fNonBendingCoor;
+ diff = fNonBendingCoor - hitForRec->fNonBendingCoor;
normDiff = diff * diff /
- (this->fNonBendingReso2 + HitForRec->fNonBendingReso2) / Sigma2Cut;
+ (fNonBendingReso2 + hitForRec->fNonBendingReso2) / Sigma2Cut;
if (normDiff > 1.0) return chi2Max;
chi2 = chi2 + normDiff;
return chi2;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff