* 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 07:58:49 morsch
-Code from MUON-dev joined
-
-Revision 1.1.2.3 2000/06/12 10:11:45 morsch
-Dummy copy constructor and assignment operator added
-
-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++
-*/
-
-//__________________________________________________________________________
+///////////////////////////////////////////////////////
//
-// Reconstructed track hit in ALICE dimuon spectrometer
-//__________________________________________________________________________
+// Reconstructed track hit
+// in
+// ALICE
+// dimuon
+// spectrometer
+//
+///////////////////////////////////////////////////////
#include "AliMUONTrackHit.h"
-
#include "AliMUONHitForRec.h"
+#include "AliLog.h"
ClassImp(AliMUONTrackHit) // Class implementation in ROOT context
+ //__________________________________________________________________________
+AliMUONTrackHit::AliMUONTrackHit()
+ : TObject()
+{
+ // Default constructor
+ fHitForRecPtr = 0;
+ fNextTrackHitWithSameHitForRec = 0;
+ fPrevTrackHitWithSameHitForRec = 0;
+}
+ //__________________________________________________________________________
+AliMUONTrackHit::AliMUONTrackHit (const AliMUONTrackHit& theMUONTrackHit)
+ : TObject(theMUONTrackHit)
+{
+ fTrackParam = theMUONTrackHit.fTrackParam;
+ fHitForRecPtr = theMUONTrackHit.fHitForRecPtr;
+ fNextTrackHitWithSameHitForRec = theMUONTrackHit.fNextTrackHitWithSameHitForRec;
+ fPrevTrackHitWithSameHitForRec = theMUONTrackHit.fPrevTrackHitWithSameHitForRec;
+}
+ //__________________________________________________________________________
+AliMUONTrackHit & AliMUONTrackHit::operator=(const AliMUONTrackHit& theMUONTrackHit)
+{
+ // check assignement to self
+ if (this == &theMUONTrackHit)
+ return *this;
+
+ // base class assignement
+ TObject::operator=(theMUONTrackHit);
+
+ fTrackParam = theMUONTrackHit.fTrackParam;
+ fHitForRecPtr = theMUONTrackHit.fHitForRecPtr;
+ fNextTrackHitWithSameHitForRec = theMUONTrackHit.fNextTrackHitWithSameHitForRec;
+ fPrevTrackHitWithSameHitForRec = theMUONTrackHit.fPrevTrackHitWithSameHitForRec;
+
+ return *this;
+
+}
//__________________________________________________________________________
AliMUONTrackHit::AliMUONTrackHit(AliMUONHitForRec* Hit)
{
fNextTrackHitWithSameHitForRec = NULL;
Hit->SetNTrackHits(Hit->GetNTrackHits() + 1);
}
-
- //__________________________________________________________________________
-AliMUONTrackHit::AliMUONTrackHit (const AliMUONTrackHit& MUONTrackHit)
-{
-// Dummy copy constructor
-}
-
- //__________________________________________________________________________
-AliMUONTrackHit & AliMUONTrackHit::operator=(const AliMUONTrackHit& MUONTrackHit)
-{
-// Dummy assignment operator
- return *this;
-}
-
-
//__________________________________________________________________________
AliMUONTrackHit::~AliMUONTrackHit()
{
// Destructor
-// AliMUONHitForRec * hit; // pointer to HitForRec
-// // remove current TrackHit in HitForRec links
-// if (this == hit->GetFirstTrackHitPtr())
-// hit->SetFirstTrackHitPtr(fNextTrackHitWithSameHitForRec); // if first
-// if (this == hit->GetLastTrackHitPtr())
-// hit->SetLastTrackHitPtr(fPrevTrackHitWithSameHitForRec); // if last
-// hit->SetNTrackHits(hit->GetNTrackHits() - 1); // decrement NTrackHits
-// // update link to next TrackHit of previous TrackHit
-// if (fPrevTrackHitWithSameHitForRec != NULL)
-// fPrevTrackHitWithSameHitForRec->
-// SetNextTrackHitWithSameHitForRec(fNextTrackHitWithSameHitForRec);
-// // update link to previous TrackHit of next TrackHit
-// if (fNextTrackHitWithSameHitForRec)
-// fNextTrackHitWithSameHitForRec->
-// SetPrevTrackHitWithSameHitForRec(fPrevTrackHitWithSameHitForRec);
+ // Update links between HitForRec's and TrackHit's
+ // connected to the current TrackHit being removed.
+ AliMUONHitForRec *hit = fHitForRecPtr; // pointer to HitForRec
+ // remove current TrackHit in HitForRec links
+ if (this == hit->GetFirstTrackHitPtr())
+ hit->SetFirstTrackHitPtr(fNextTrackHitWithSameHitForRec); // if first
+ if (this == hit->GetLastTrackHitPtr())
+ hit->SetLastTrackHitPtr(fPrevTrackHitWithSameHitForRec); // if last
+ hit->SetNTrackHits(hit->GetNTrackHits() - 1); // decrement NTrackHits of hit
+ // update link to next TrackHit of previous TrackHit
+ if (fPrevTrackHitWithSameHitForRec != NULL)
+ fPrevTrackHitWithSameHitForRec->
+ SetNextTrackHitWithSameHitForRec(fNextTrackHitWithSameHitForRec);
+ // update link to previous TrackHit of next TrackHit
+ if (fNextTrackHitWithSameHitForRec)
+ fNextTrackHitWithSameHitForRec->
+ SetPrevTrackHitWithSameHitForRec(fPrevTrackHitWithSameHitForRec);
// to be checked thoroughly !!!!
// with Root counter of AliMUONTrackHit objects,
// with loop over all these links after the update
}
//__________________________________________________________________________
-Int_t AliMUONTrackHit::Compare(TObject* TrackHit)
+Int_t AliMUONTrackHit::Compare(const TObject* TrackHit) const
{
- // "Compare" function to sort with increasing Z.
- // Returns -1 (0, +1) if Z of current TrackHit
+ // "Compare" function to sort with decreasing Z (spectro. muon Z <0).
+ // Returns 1 (0, -1) if Z of current TrackHit
// is smaller than (equal to, larger than) Z of TrackHit
if (fHitForRecPtr->GetZ() <
- ((AliMUONTrackHit*)TrackHit)->fHitForRecPtr->GetZ()) return(-1);
+ ((AliMUONTrackHit*)TrackHit)->fHitForRecPtr->GetZ()) return(1);
else if (fHitForRecPtr->GetZ() ==
((AliMUONTrackHit*)TrackHit)->fHitForRecPtr->GetZ()) return( 0);
- else return(+1);
+ else return(-1);
}