1 #ifndef ALITRDTRACKLETGTU_H
2 #define ALITRDTRACKLETGTU_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 /* $Id: AliTRDtrackletGTU.h 27496 2008-07-22 08:35:45Z cblume $ */
8 // --------------------------------------------------------
13 // --------------------------------------------------------
15 #include "AliTRDtrackletBase.h"
16 #include "AliESDTrdTracklet.h"
17 #include "AliTRDgtuParam.h"
20 class AliTRDtrackletGTU : public AliTRDtrackletBase {
23 AliTRDtrackletGTU(AliTRDtrackletBase *tracklet);
24 AliTRDtrackletGTU(AliESDTrdTracklet *tracklet);
25 AliTRDtrackletGTU(const AliTRDtrackletGTU& trk);
29 AliTRDtrackletGTU& operator=(const AliTRDtrackletGTU &rhs);
31 // ----- Getters for information from the tracklet word -----
32 Int_t GetYbin() const { return fTrackletESD ? fTrackletESD->GetBinY() : fTracklet->GetYbin(); }
33 Int_t GetdY() const { return fTrackletESD ? fTrackletESD->GetBinDy() : fTracklet->GetdY(); }
34 Int_t GetZbin() const { return fTrackletESD ? fTrackletESD->GetBinZ() : fTracklet->GetZbin(); }
35 Int_t GetPID() const { return fTrackletESD ? fTrackletESD->GetPID() : ((Int_t) (256 * fTracklet->GetPID())); }
36 Double_t GetPID(Int_t is) const { return fTracklet ? fTracklet->GetPID(is) : 0.; }
38 // ----- Getters for calculated properties -----
39 Int_t GetYProj() const { return fYProj; }
40 Int_t GetAlpha() const { return fAlpha; }
41 Int_t GetYPrime() const { return fYPrime; }
42 Int_t GetSubChannel(Int_t zch) const;
44 // ----- Getters for offline corresponding values -----
45 Bool_t CookPID() { return kFALSE; }
46 Int_t GetDetector() const { return fTrackletESD ? fTrackletESD->GetDetector() : fTracklet->GetDetector(); }
47 Int_t GetIndex() const { return fIndex; }
49 Float_t GetdYdX() const { return (GetdY() * 140e-4 / 3.); }
50 Float_t GetX() const { return 0; }
51 Float_t GetY() const { return (GetYbin() * 160e-4); }
52 Float_t GetZ() const { return 0; }
54 AliTRDtrackletBase* GetTracklet() const { return fTracklet; }
55 AliESDTrdTracklet* GetTrackletESD() const { return fTrackletESD; }
56 UInt_t GetTrackletWord() const { return fTrackletESD ? fTrackletESD->GetTrackletWord() : fTracklet->GetTrackletWord(); }
57 Int_t GetMCMtrackletIndex() const { return fMCMtrackletIndex; }
58 void SetMCMtrackletIndex(Int_t val) { fMCMtrackletIndex=val; }
60 Int_t GetSide() const { return GetYbin() < 0 ? 0 : 1; }
62 Int_t GetLabel() const; // { return fLabel; }
64 // ----- Setters -----
65 void SetAlpha(Int_t alpha) { fAlpha = alpha; }
66 void SetYProj(Int_t yproj) { fYProj = yproj; }
67 void SetYPrime(Int_t yprime) { fYPrime = yprime; }
69 void SetSubChannel(Int_t zch, Int_t subch);
70 void SetDetector(Int_t /* id */ ) { AliError("Cannot change base tracklet"); }
71 void SetIndex(Int_t idx) { fIndex = idx; }
73 void RemoveTracklet() { fTracklet = fgkDummyTracklet; }
76 AliTRDgtuParam *fGtuParam; //!
77 AliTRDtrackletBase *fTracklet; //! pointer to the underlying tracklet
78 AliESDTrdTracklet *fTrackletESD; //! pointer to the underlying ESD tracklet
80 Int_t fMCMtrackletIndex; // Index number of the original tracklet in the TrackletTree
82 Int_t fSubChannel[AliTRDgtuParam::fgkNZChannels]; // z-channel assignments
83 Bool_t fAssignedZ; // tracklet assigned to a Z-channel
85 Int_t fAlpha; // calculated value for alpha
86 Int_t fYProj; // calculated value for y_proj
87 Int_t fYPrime; // calculated value for y'
88 Int_t fIndex; // index of tracklet in the sequence after the input units
90 static AliTRDtrackletBase* fgkDummyTracklet; // dummy tracklet, used in case no tracklet is given
94 ClassDef(AliTRDtrackletGTU, 1);