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Handle missing rec-point tree in a uniform way: return null pointer to TEvePointSet.
[u/mrichter/AliRoot.git] / TRD / AliTRDseed.h
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75bd7f81 1#ifndef ALITRDSEED_H
0906e73e 2#define ALITRDSEED_H
75bd7f81 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
ad670fba 6/* $Id$ */
7
8////////////////////////////////////////////////////////////////////////////
9// //
10// The TRD track seed //
11// //
12////////////////////////////////////////////////////////////////////////////
13
75bd7f81 14#include "TObject.h"
15
16class AliTRDcluster;
17
18class AliTRDseed : public TObject {
19
75bd7f81 20 public:
e4f2f73d 21 enum { knTimebins = 35 };
75bd7f81 22
23 AliTRDseed();
ad670fba 24 AliTRDseed(const AliTRDseed &s);
0906e73e 25 ~AliTRDseed() {};
75bd7f81 26
79289e74 27 AliTRDseed &operator=(const AliTRDseed &s) { *(new(this) AliTRDseed(s));
28 return *this; }
29
ad670fba 30 static Float_t FitRiemanTilt(AliTRDseed *seed, Bool_t error);
31 void UseClusters();
32 void Update();
33 void CookLabels();
34 void UpdateUsed();
35 void Reset();
ca1e1e5b 36
e4f2f73d 37 Bool_t IsOK() const { return fN2 > 4; }
ca1e1e5b 38 Bool_t IsUsable(Int_t i) const { return fUsable[i]; }
39
40 Float_t GetTilt() const { return fTilt; }
41 Float_t GetPadLength() const { return fPadLength; }
42 Float_t GetX0() const { return fX0; }
bcb6fb78 43 Float_t GetY0() const { return fYfit[0]; }
44 Float_t GetZ0() const { return fZfit[0]; }
ca1e1e5b 45 Float_t GetX(Int_t i) const { return fX[i]; }
46 Float_t GetY(Int_t i) const { return fY[i]; }
47 Float_t GetZ(Int_t i) const { return fZ[i]; }
48 Int_t GetIndexes(Int_t i) const { return fIndexes[i]; }
49 AliTRDcluster *GetClusters(Int_t i) const { return fClusters[i]; }
50 Float_t GetYref(Int_t i) const { return fYref[i]; }
51 Float_t GetZref(Int_t i) const { return fZref[i]; }
52 Float_t GetYfit(Int_t i) const { return fYfit[i]; }
53 Float_t GetYfitR(Int_t i) const { return fYfitR[i]; }
54 Float_t GetZfit(Int_t i) const { return fZfit[i]; }
55 Float_t GetZfitR(Int_t i) const { return fZfitR[i]; }
56 Float_t GetSigmaY() const { return fSigmaY; }
57 Float_t GetSigmaY2() const { return fSigmaY2; }
58 Float_t GetMeanz() const { return fMeanz; }
59 Float_t GetZProb() const { return fZProb; }
60 Int_t GetLabels(Int_t i) const { return fLabels[i]; }
61 Int_t GetN2() const { return fN2; }
62 Int_t GetNUsed() const { return fNUsed; }
63 Int_t GetFreq() const { return fFreq; }
64 Float_t GetC() const { return fC; }
65 Float_t GetCC() const { return fCC; }
66 Float_t GetChi2() const { return fChi2; }
67 Float_t GetChi2Z() const { return fChi2Z; }
68
0906e73e 69
ca1e1e5b 70 void SetTilt(Float_t tilt) { fTilt = tilt; }
71 void SetPadLength(Float_t len) { fPadLength = len; }
72 void SetX0(Float_t x0) { fX0 = x0; }
73 void SetX(Int_t i, Float_t x) { fX[i] = x; }
74 void SetY(Int_t i, Float_t y) { fY[i] = y; }
75 void SetZ(Int_t i, Float_t z) { fZ[i] = z; }
76 void SetIndexes(Int_t i, Int_t idx) { fIndexes[i] = idx; }
77 void SetClusters(Int_t i, AliTRDcluster *c) { fClusters[i] = c; }
78 void SetUsable(Int_t i, Bool_t usable) { fUsable[i] = usable; }
79 void SetYref(Int_t i, Float_t yref) { fYref[i] = yref; }
80 void SetZref(Int_t i, Float_t zref) { fZref[i] = zref; }
81 void SetYfit(Int_t i, Float_t yfit) { fYfit[i] = yfit; }
82 void SetYfitR(Int_t i, Float_t yfitr) { fYfitR[i] = yfitr; }
83 void SetZfit(Int_t i, Float_t zfit) { fZfit[i] = zfit; }
84 void SetZfitR(Int_t i, Float_t zfitr) { fZfitR[i] = zfitr; }
85 void SetSigmaY(Float_t sigmay) { fSigmaY = sigmay; }
86 void SetSigmaY2(Float_t sigmay) { fSigmaY2 = sigmay; }
87 void SetMeanz(Float_t meanz) { fMeanz = meanz; }
88 void SetZProb(Float_t zprob) { fZProb = zprob; }
89 void SetLabels(Int_t i, Int_t label) { fLabels[i] = label; }
90 void SetN2(Int_t n2) { fN2 = n2; }
91 void SetNUsed(Int_t nused) { fNUsed = nused; }
92 void SetFreq(Int_t freq) { fFreq = freq; }
93 void SetC(Float_t c) { fC = c; }
94 void SetCC(Float_t cc) { fCC = cc; }
95 void SetChi2(Float_t chi2) { fChi2 = chi2; }
96 void SetChi2Z(Float_t chi2z) { fChi2Z = chi2z; }
75bd7f81 97
e4f2f73d 98 protected:
75bd7f81 99
e4f2f73d 100 void Copy(TObject &o) const;
101
0906e73e 102 Float_t fTilt; // Tilting angle
103 Float_t fPadLength; // Pad length
104 Float_t fX0; // X0 position
105 Float_t fX[knTimebins]; //! X position
106 Float_t fY[knTimebins]; //! Y position
107 Float_t fZ[knTimebins]; //! Z position
108 Int_t fIndexes[knTimebins]; //! Indexes
109 AliTRDcluster *fClusters[knTimebins]; // Clusters
110 Bool_t fUsable[knTimebins]; // Indication - usable cluster
111 Float_t fYref[2]; // Reference y
112 Float_t fZref[2]; // Reference z
113 Float_t fYfit[2]; // Y fit position +derivation
114 Float_t fYfitR[2]; // Y fit position +derivation
115 Float_t fZfit[2]; // Z fit position
116 Float_t fZfitR[2]; // Z fit position
117 Float_t fSigmaY; // "Robust" sigma in Y - constant fit
118 Float_t fSigmaY2; // "Robust" sigma in Y - line fit
119 Float_t fMeanz; // Mean vaue of z
120 Float_t fZProb; // Max probbable z
121 Int_t fLabels[2]; // Labels
122 Int_t fN; // Number of associated clusters
123 Int_t fN2; // Number of not crossed
124 Int_t fNUsed; // Number of used clusters
125 Int_t fFreq; // Frequency
126 Int_t fNChange; // Change z counter
127 Float_t fMPads; // Mean number of pads per cluster
128
129 Float_t fC; // Curvature
130 Float_t fCC; // Curvature with constrain
131 Float_t fChi2; // Global chi2
132 Float_t fChi2Z; // Global chi2
133
134 ClassDef(AliTRDseed,1) // Seed for a local TRD track
75bd7f81 135
136};
ad670fba 137
75bd7f81 138#endif