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e4f2f73d | 1 | #ifndef ALITRDSEEDV1_H |
2 | #define ALITRDSEEDV1_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //////////////////////////////////////////////////////////////////////////// | |
9 | // // | |
10 | // The TRD track seed // | |
11 | // // | |
12 | //////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #ifndef ALITRDSEED_H | |
15 | #include "AliTRDseed.h" | |
16 | #endif | |
17 | ||
0906e73e | 18 | #ifndef ALIPID_H |
19 | #include "AliPID.h" | |
20 | #endif | |
21 | ||
e4f2f73d | 22 | #ifndef ALIRIEMAN_H |
23 | #include "AliRieman.h" | |
24 | #endif | |
25 | ||
26 | class TTreeSRedirector; | |
27 | ||
28 | class AliRieman; | |
29 | ||
eb38ed55 | 30 | class AliTRDtrackingChamber; |
e4f2f73d | 31 | class AliTRDcluster; |
f3d3af1b | 32 | class AliTRDtrackV1; |
3a039a31 | 33 | class AliTRDReconstructor; |
e4f2f73d | 34 | class AliTRDseedV1 : public AliTRDseed |
35 | { | |
fbb2ea06 | 36 | |
0906e73e | 37 | public: |
38 | ||
39 | enum { | |
40 | knSlices = 10 | |
41 | }; | |
fbb2ea06 | 42 | |
eb38ed55 | 43 | AliTRDseedV1(Int_t plane = -1); |
e4f2f73d | 44 | ~AliTRDseedV1(); |
0906e73e | 45 | AliTRDseedV1(const AliTRDseedV1 &ref); |
d76231c8 | 46 | AliTRDseedV1& operator=(const AliTRDseedV1 &ref); |
e4f2f73d | 47 | |
eb38ed55 | 48 | Bool_t AttachClustersIter(AliTRDtrackingChamber *chamber, Float_t quality, Bool_t kZcorr = kFALSE |
0906e73e | 49 | , AliTRDcluster *c=0x0); |
eb38ed55 | 50 | Bool_t AttachClusters(AliTRDtrackingChamber *chamber, Bool_t kZcorr = kFALSE); |
0906e73e | 51 | void CookdEdx(Int_t nslices); |
47d5d320 | 52 | void Draw(Option_t* o = ""); |
0906e73e | 53 | Bool_t Fit(); |
fbb2ea06 | 54 | |
f3d3af1b | 55 | Bool_t Init(AliTRDtrackV1 *track); |
0906e73e | 56 | inline void Init(const AliRieman *fit); |
47d5d320 | 57 | Bool_t IsOwner() const { return TestBit(1);} |
58 | Bool_t IsRowCross() const { return TestBit(2);} | |
59 | ||
eb38ed55 | 60 | inline Float_t GetChi2Z(const Float_t z = 999.) const; |
61 | inline Float_t GetChi2Y(const Float_t y = 999.) const; | |
47d5d320 | 62 | void GetCovAt(Double_t x, Double_t *cov) const; |
63 | Double_t* GetCrossXYZ() { return &fCross[0];} | |
64 | Double_t GetCrossSz2() const { return fCross[3];} | |
65 | Float_t* GetdEdx() {return &fdEdx[0];} | |
66 | Float_t GetdQdl(Int_t ic) const; | |
67 | Double_t GetMomentum() const {return fMom;} | |
68 | Int_t GetN() const {return fN2;} | |
69 | Float_t GetQuality(Bool_t kZcorr) const; | |
70 | Int_t GetPlane() const { return fPlane; } | |
71 | Double_t* GetProbability(); | |
72 | Double_t GetSnp() const { return fSnp;} | |
73 | Double_t GetTgl() const { return fTgl;} | |
74 | Double_t GetYat(Double_t x) const { return fYfitR[0] + fYfitR[1] * (x - fX0);} | |
75 | Double_t GetZat(Double_t x) const { return fZfitR[0] + fZfitR[1] * (x - fX0);} | |
76 | ||
77 | void Print(Option_t *o = "") const; | |
78 | ||
79 | void SetMomentum(Double_t mom) {fMom = mom;} | |
80 | void SetOwner(Bool_t own = kTRUE); | |
81 | void SetPlane(Int_t p) { fPlane = p; } | |
82 | void SetSnp(Double_t snp) {fSnp = snp;} | |
83 | void SetTgl(Double_t tgl) {fTgl = tgl;} | |
3a039a31 | 84 | void SetReconstructor(const AliTRDReconstructor *rec) {fReconstructor = rec;} |
e4f2f73d | 85 | protected: |
86 | ||
87 | void Copy(TObject &ref) const; | |
88 | ||
89 | private: | |
3a039a31 | 90 | const AliTRDReconstructor *fReconstructor; |
0906e73e | 91 | Int_t fPlane; // TRD plane |
0906e73e | 92 | Float_t fMom; // Momentum estimate for tracklet [GeV/c] |
bcb6fb78 | 93 | Float_t fSnp; // sin of track with respect to x direction in XY plane |
94 | Float_t fTgl; // tg of track with respect to x direction in XZ plane | |
95 | Float_t fdX; // length of time bin | |
0906e73e | 96 | Float_t fdEdx[knSlices]; // dE/dx measurements for tracklet |
47d5d320 | 97 | Double_t fCross[4]; // spatial parameters of the pad row crossing |
bcb6fb78 | 98 | Double_t fProb[AliPID::kSPECIES]; // PID probabilities |
e4f2f73d | 99 | |
0906e73e | 100 | ClassDef(AliTRDseedV1, 1) // New TRD seed |
e4f2f73d | 101 | |
102 | }; | |
103 | ||
104 | //____________________________________________________________ | |
105 | inline Float_t AliTRDseedV1::GetChi2Z(const Float_t z) const | |
106 | { | |
eb38ed55 | 107 | Float_t z1 = (z == 999.) ? fMeanz : z; |
e4f2f73d | 108 | Float_t chi = fZref[0] - z1; |
109 | return chi*chi; | |
110 | } | |
111 | ||
112 | //____________________________________________________________ | |
113 | inline Float_t AliTRDseedV1::GetChi2Y(const Float_t y) const | |
114 | { | |
eb38ed55 | 115 | Float_t y1 = (y == 999.) ? fYfitR[0] : y; |
e4f2f73d | 116 | Float_t chi = fYref[0] - y1; |
117 | return chi*chi; | |
118 | } | |
119 | ||
120 | //____________________________________________________________ | |
0906e73e | 121 | inline void AliTRDseedV1::Init(const AliRieman *rieman) |
e4f2f73d | 122 | { |
123 | fZref[0] = rieman->GetZat(fX0); | |
124 | fZref[1] = rieman->GetDZat(fX0); | |
125 | fYref[0] = rieman->GetYat(fX0); | |
126 | fYref[1] = rieman->GetDYat(fX0); | |
127 | } | |
128 | ||
129 | #endif | |
130 | ||
47d5d320 | 131 |