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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 | ||
18 | #ifndef ALIRIEMAN_H | |
19 | #include "AliRieman.h" | |
20 | #endif | |
21 | ||
22 | class TTreeSRedirector; | |
23 | ||
24 | class AliRieman; | |
25 | ||
26 | class AliTRDstackLayer; | |
27 | class AliTRDcluster; | |
28 | class AliTRDrecoParam; | |
d9950a5a | 29 | class AliTRDtrack; |
e4f2f73d | 30 | class AliTRDseedV1 : public AliTRDseed |
31 | { | |
d9950a5a | 32 | public: |
e4f2f73d | 33 | AliTRDseedV1(Int_t layer = -1, AliTRDrecoParam *p=0x0); |
34 | ~AliTRDseedV1(); | |
d9950a5a | 35 | AliTRDseedV1(const AliTRDseedV1 &ref); |
d76231c8 | 36 | AliTRDseedV1& operator=(const AliTRDseedV1 &ref); |
e4f2f73d | 37 | |
38 | Bool_t AttachClustersIter(AliTRDstackLayer *layer, Float_t quality, Bool_t kZcorr = kFALSE, AliTRDcluster *c=0x0); | |
d9950a5a | 39 | Bool_t AttachClusters(AliTRDstackLayer *layer, Bool_t kZcorr = kFALSE); |
40 | void CookdEdx(Float_t */*dedx*/){}; | |
e4f2f73d | 41 | static Float_t FitRiemanTilt(AliTRDseedV1 * cseed, Bool_t terror); |
d9950a5a | 42 | Bool_t Fit(); |
43 | ||
44 | void Init(AliTRDtrack *track); | |
45 | inline void Init(const AliRieman *fit); | |
e4f2f73d | 46 | |
e4f2f73d | 47 | inline Float_t GetChi2Z(const Float_t z = 0.) const; |
48 | inline Float_t GetChi2Y(const Float_t y = 0.) const; | |
d9950a5a | 49 | Float_t GetQuality(Bool_t kZcorr) const; |
50 | Int_t GetPlane() const { return fPlane; } | |
51 | Int_t GetN() const {return fN2;} | |
52 | Double_t GetYat(Double_t x) const {return fYfitR[0] + fYfitR[1] * (x - fX0);} | |
53 | Double_t GetZat(Double_t x) const {return fZfitR[0] + fZfitR[1] * (x - fX0);} | |
54 | void GetCovAt(Double_t x, Double_t *cov) const; | |
55 | ||
56 | void Print(Option_t * /*o*/) const { } | |
57 | void Print(); | |
58 | void SetOwner(Bool_t own = kTRUE); | |
59 | void SetPlane(Int_t p) { fPlane = p; } | |
60 | void SetRecoParam(AliTRDrecoParam *p) { fRecoParam = p; } | |
e4f2f73d | 61 | |
62 | protected: | |
63 | ||
64 | void Copy(TObject &ref) const; | |
65 | ||
66 | private: | |
67 | ||
d9950a5a | 68 | Int_t fPlane; // layer for this seed |
e4f2f73d | 69 | Bool_t fOwner; // owner of the clusters |
70 | AliTRDrecoParam *fRecoParam; //! local copy of the reco params | |
71 | ||
72 | ClassDef(AliTRDseedV1, 1) // New TRD seed | |
73 | ||
74 | }; | |
75 | ||
76 | //____________________________________________________________ | |
77 | inline Float_t AliTRDseedV1::GetChi2Z(const Float_t z) const | |
78 | { | |
79 | Float_t z1 = (z == 0.) ? fMeanz : z; | |
80 | Float_t chi = fZref[0] - z1; | |
81 | return chi*chi; | |
82 | } | |
83 | ||
84 | //____________________________________________________________ | |
85 | inline Float_t AliTRDseedV1::GetChi2Y(const Float_t y) const | |
86 | { | |
87 | Float_t y1 = (y == 0.) ? fYfitR[0] : y; | |
88 | Float_t chi = fYref[0] - y1; | |
89 | return chi*chi; | |
90 | } | |
91 | ||
92 | //____________________________________________________________ | |
d9950a5a | 93 | inline void AliTRDseedV1::Init(const AliRieman *rieman) |
e4f2f73d | 94 | { |
95 | fZref[0] = rieman->GetZat(fX0); | |
96 | fZref[1] = rieman->GetDZat(fX0); | |
97 | fYref[0] = rieman->GetYat(fX0); | |
98 | fYref[1] = rieman->GetDYat(fX0); | |
99 | } | |
100 | ||
101 | #endif | |
102 |