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1 | #ifndef ALITRDTRACKLET_H |
| 2 | #define ALITRDTRACKLET_H |
| 3 | |
| 4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 5 | * See cxx source for full Copyright notice */ |
| 6 | |
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7 | /* $Id$ */ |
| 8 | |
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9 | #include <TObject.h> |
| 10 | |
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11 | //////////////////////////////////////////////////////////////////////////// |
| 12 | // // |
| 13 | // A TRD tracklet // |
| 14 | // // |
| 15 | //////////////////////////////////////////////////////////////////////////// |
| 16 | |
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17 | class AliTRDtracklet : public TObject { |
| 18 | |
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19 | public: |
| 20 | |
| 21 | AliTRDtracklet(); |
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22 | virtual ~AliTRDtracklet(); |
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23 | |
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24 | void Set(Float_t x, Float_t y, Float_t z, Float_t alpha, Float_t error2) |
| 25 | { fX = x; |
| 26 | fY = y; |
| 27 | fZ = z; |
| 28 | fAlpha = alpha; |
| 29 | fSigma2 = error2; } |
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30 | void SetP0(Float_t p0) { fP0 = p0; } |
| 31 | void SetP1(Float_t p1) { fP1 = p1; } |
| 32 | void SetN(Int_t n) { fNFound = n; } |
| 33 | void SetNCross(Int_t nc) { fNCross = nc; } |
| 34 | void SetPlane(Int_t plane) { fPlane = plane; } |
| 35 | void SetSigma2(Float_t sigma2) { fExpectedSigma2 = sigma2; } |
| 36 | void SetChi2(Float_t chi2) { fChi2 = chi2; } |
| 37 | void SetTilt(Float_t tilt) { fTilt = tilt; } |
| 38 | void SetMaxPos(Short_t pos, Short_t pos4, Short_t pos5) |
| 39 | { fMaxPos = pos; |
| 40 | fMaxPos4 = pos4; |
| 41 | fMaxPos5 = pos5; } |
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42 | |
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43 | Float_t GetX() const { return fX; } |
| 44 | Float_t GetY() const { return fY; } |
| 45 | Float_t GetZ() const { return fZ; } |
| 46 | Float_t GetAlpha() const { return fAlpha; } |
| 47 | Float_t GetTrackletSigma2() const { return fSigma2; } |
| 48 | Float_t GetP0() const { return fP0; } |
| 49 | Float_t GetP1() const { return fP1; } |
| 50 | Int_t GetN() const { return fNFound; } |
| 51 | Int_t GetNCross() const { return fNCross; } |
| 52 | Int_t GetPlane() const { return fPlane; } |
| 53 | Float_t GetClusterSigma2() const { return fExpectedSigma2; } |
| 54 | Float_t GetChi2() const { return fChi2; } |
| 55 | Float_t GetTilt() const { return fTilt; } |
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56 | |
| 57 | protected: |
| 58 | |
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59 | Float_t fY; // Y position |
| 60 | Float_t fZ; // Z position |
| 61 | Float_t fX; // X position |
| 62 | Float_t fAlpha; // Rotation angle |
| 63 | Float_t fSigma2; // Expected error of tracklet position |
| 64 | Float_t fP0; // Offset in y |
| 65 | Float_t fP1; // Offset in tangent |
| 66 | Int_t fNFound; // Number of found clusters |
| 67 | Int_t fNCross; // Number of crosses |
| 68 | Int_t fPlane; // Plane number |
| 69 | Float_t fExpectedSigma2; // Expected sigma of residual distribution of clusters |
| 70 | Float_t fChi2; // Chi2 of the tracklet |
| 71 | Float_t fTilt; // Tilt factor |
| 72 | Short_t fMaxPos; // Time bin with max charge |
| 73 | Short_t fMaxPos4; // Time bin with max charge |
| 74 | Short_t fMaxPos5; // Time bin with max charge |
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75 | |
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76 | ClassDef(AliTRDtracklet,2) // The TRD tracklet in one ROC |
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77 | |
| 78 | }; |
| 79 | |
| 80 | #endif |
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