1 #ifndef ALITRDTRACKLETMCM_H
2 #define ALITRDTRACKLETMCM_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 /* $Id: AliTRDtrackletMCM.h 27496 2008-07-22 08:35:45Z cblume $ */
8 //-----------------------------------
10 // TRD tracklet word (as from FEE)
11 // only 32-bit of information + detector ID
13 //----------------------------------
15 #include "AliTRDtrackletBase.h"
16 #include "AliTRDgeometry.h"
17 #include "AliTRDpadPlane.h"
19 class AliTRDtrackletMCM : public AliTRDtrackletBase {
21 AliTRDtrackletMCM(UInt_t trackletWord = 0);
22 AliTRDtrackletMCM(UInt_t trackletWword, Int_t hcid);
23 AliTRDtrackletMCM(UInt_t trackletWword, Int_t hcid, Int_t rob, Int_t mcm);
24 AliTRDtrackletMCM(const AliTRDtrackletMCM &rhs);
27 // ----- Getters for contents of tracklet word -----
28 Int_t GetYbin() const;
30 Int_t GetZbin() const { return ((fTrackletWord >> 20) & 0xf); }
31 Int_t GetPID() const { return ((fTrackletWord >> 24) & 0xff); }
33 // ----- Getters for MCM-tracklet information -----
34 Int_t GetMCM() const { return fMCM; }
35 Int_t GetROB() const { return fROB; }
36 Int_t GetLabel() const { return fLabel[0]; }
37 Int_t GetLabel(const Int_t i) const { return fLabel[i]; }
38 Bool_t HasLabel(const Int_t label) const { return (fLabel[0] == label || fLabel[1] == label || fLabel[2] == label); }
40 // ----- Getters for offline corresponding values -----
41 Bool_t CookPID() { return kFALSE; }
42 Double_t GetPID(Int_t /* is */) const { return GetPID()/255.; }
43 Int_t GetDetector() const { return fHCId / 2; }
44 Int_t GetHCId() const { return fHCId; }
45 Float_t GetdYdX() const { return (GetdY() * 140e-4 / 3.); }
46 Float_t GetX() const { return fGeo->GetTime0((fHCId % 12) / 2); }
47 Float_t GetY() const { return (GetYbin() * 160e-4); }
48 Float_t GetZ() const { return fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRowPos( 4 * (fROB / 2) + fMCM / 4) -
49 fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId /12) % 5)->GetRowSize(4 * (fROB / 2) + fMCM / 4) * .5; }
50 Float_t GetLocalZ() const { return GetZ() -
51 (fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRow0()+fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRowEnd())/2.; }
53 Int_t GetQ0() const { return fQ0; }
54 Int_t GetQ1() const { return fQ1; }
55 Int_t GetNHits() const { return fNHits; }
56 Int_t GetNHits0() const { return fNHits0; }
57 Int_t GetNHits1() const { return fNHits1; }
59 UInt_t GetTrackletWord() const { return fTrackletWord; }
60 void SetTrackletWord(UInt_t trackletWord) { fTrackletWord = trackletWord; }
62 void SetDetector(Int_t id) { fHCId = 2 * id + (GetYbin() < 0 ? 0 : 1); }
63 void SetHCId(Int_t id) { fHCId = id; }
64 void SetMCM(Int_t mcm) { fMCM = mcm; }
65 void SetROB(Int_t rob) { fROB = rob; }
66 void SetLabel(Int_t label[]);
67 void SetQ0(Int_t charge) { fQ0 = charge; }
68 void SetQ1(Int_t charge) { fQ1 = charge; }
69 void SetNHits(Int_t nhits) { fNHits = nhits; }
70 void SetNHits0(Int_t nhits) { fNHits0 = nhits; }
71 void SetNHits1(Int_t nhits) { fNHits1 = nhits; }
73 void SetSlope(Float_t slope) { fSlope = slope; }
74 void SetOffset(Float_t offset) { fOffset = offset; }
75 void SetError(Float_t error) { fError = error; }
76 void SetClusters(Float_t *res, Float_t *q, Int_t n);
78 Float_t GetSlope() const { return fSlope; }
79 Float_t GetOffset() const { return fOffset; }
80 Float_t GetError() const { return fError; }
81 Int_t GetNClusters() const { return fNClusters; }
82 Float_t *GetResiduals() const { return fResiduals; }
83 Float_t *GetClsCharges() const { return fClsCharges; }
86 AliTRDgeometry *fGeo; //! TRD geometry
88 Int_t fHCId; // half-chamber ID (only transient)
89 UInt_t fTrackletWord; // tracklet word: PID | Z | deflection length | Y
91 Int_t fMCM; // MCM no. in which the tracklet was found
92 Int_t fROB; // ROB no. on which the tracklet was found
94 Int_t fQ0; // accumulated charge in the first time window
95 Int_t fQ1; // accumulated charge in the second time window
97 Int_t fNHits; // no. of contributing clusters
98 Int_t fNHits0; // no. of contributing clusters in window 0
99 Int_t fNHits1; // no. of contributing clusters in window 1
101 Int_t fLabel[3]; // up to 3 labels for MC track
103 Float_t fSlope; // tracklet slope
104 Float_t fOffset; // tracklet offset
105 Float_t fError; // tracklet error
106 Int_t fNClusters; // no. of clusters
107 Float_t *fResiduals; //[fNClusters] cluster to tracklet residuals
108 Float_t *fClsCharges; //[fNClusters] cluster charge
111 AliTRDtrackletMCM& operator=(const AliTRDtrackletMCM &rhs); // not implemented
113 ClassDef(AliTRDtrackletMCM, 2);