/* $Id$ */
-//__________________________________________________________________________
-//
+// ------------------------
+// Class AliMUONHitForRec
+// ------------------------
// Hit for reconstruction in ALICE dimuon spectrometer
-//__________________________________________________________________________
+// Author: J. Gosset
+#include "AliTrackReference.h"
#include "AliMUONHitForRec.h"
#include "AliMUONRawCluster.h"
#include "AliMUONHit.h"
+#include "AliMUONConstants.h"
+#include "AliLog.h"
ClassImp(AliMUONHitForRec) // Class implementation in ROOT context
AliMUONHitForRec::AliMUONHitForRec()
: TObject()
{
- // Default Constructor
+/// Default Constructor
fFirstTrackHitPtr = 0;
fLastTrackHitPtr = 0;
}
//__________________________________________________________________________
-AliMUONHitForRec::AliMUONHitForRec(AliMUONHit* theGhit)
+AliMUONHitForRec::AliMUONHitForRec(AliTrackReference* theGhit)
: 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...).
+/// 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 = theGhit->Chamber() - 1;
+ 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* theRawCluster)
: TObject()
{
- // Constructor for AliMUONHitForRec from a raw cluster.
- // Fills the bending and non bending coordinates.
+/// 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;
}
//__________________________________________________________________________
-AliMUONHitForRec::AliMUONHitForRec (const AliMUONHitForRec& rhs)
- : TObject(rhs)
+AliMUONHitForRec::AliMUONHitForRec (const AliMUONHitForRec& theMUONHitForRec)
+ : TObject(theMUONHitForRec)
{
-// Protected copy constructor
+/// Copy constructor
- Fatal("AliMUONHitForRec", "Not implemented.");
+ 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& rhs)
+AliMUONHitForRec & AliMUONHitForRec::operator=(const AliMUONHitForRec& theMUONHitForRec)
{
-// Protected assignement operator
-
- if (this == &rhs) return *this;
+/// Assignment operator
- Fatal("operator=", "Not implemented.");
-
- return *this;
+ 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;
}
//__________________________________________________________________________
/*AZ
//__________________________________________________________________________
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
+/// "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 ????
+/// 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;