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Commit | Line | Data |
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cc345ce3 | 1 | #ifndef ALITRACKFITTERSTRAIGHT_H |
2 | #define ALITRACKFITTERSTRAIGHT_H | |
3 | ||
4 | #include "AliTrackFitter.h" | |
5 | ||
6 | class AliTrackFitterStraight : public AliTrackFitter{ | |
7 | public: | |
8 | AliTrackFitterStraight(); | |
9 | AliTrackFitterStraight(AliTrackPointArray *array, Bool_t owner = kTRUE); | |
10 | AliTrackFitterStraight(const AliTrackFitterStraight &fitter); | |
11 | AliTrackFitterStraight &operator =(const AliTrackFitterStraight& fitter); | |
12 | virtual ~AliTrackFitterStraight(); | |
13 | ||
14 | Bool_t Fit(const TArrayI *volIdx,const TArrayI *volIdsFit = 0x0, | |
25be1e5c | 15 | AliGeomManager::ELayerID layerRangeMin = AliGeomManager::kFirstLayer, |
16 | AliGeomManager::ELayerID layerRangeMax = AliGeomManager::kLastLayer); | |
cc345ce3 | 17 | Bool_t GetPCA(const AliTrackPoint &p, AliTrackPoint &p2) const; |
18 | ||
19 | void Reset(); | |
20 | void AddPoint(Float_t x, Float_t y, Float_t z, Float_t sy, Float_t sz); | |
9c4c8863 | 21 | Bool_t Update(); |
cc345ce3 | 22 | |
23 | // Double_t GetC(); | |
24 | Double_t GetYat(Double_t x) const; | |
25 | Double_t GetZat(Double_t x) const; | |
26 | Double_t GetDYat(Double_t x) const; | |
27 | Double_t GetDZat(Double_t x) const; | |
28 | Bool_t GetXYZat(Double_t r, Float_t *xyz) const; | |
29 | ||
30 | protected: | |
31 | ||
32 | Double_t fAlpha; //angle to transform to the fitting coordinate system | |
33 | Double_t fSumXY[5]; //sums for XY part | |
34 | Double_t fSumYY; //sum for YY part | |
35 | Double_t fSumXZ[5]; //sums for XZ part | |
36 | Double_t fSumZZ; //sum for ZZ part | |
37 | Int_t fNUsed; //actual number of space-points used in the fit | |
38 | Bool_t fConv; // indicates convergation | |
39 | ||
40 | private: | |
57c8a1c2 | 41 | Bool_t Begin(Int_t, Int_t) {Reset(); return kTRUE;} |
9c4c8863 | 42 | Bool_t AddPoint(const AliTrackPoint *) {return kTRUE;} |
cc345ce3 | 43 | |
44 | ClassDef(AliTrackFitterStraight,1) // Fast fit of straight tracks | |
45 | ||
46 | }; | |
47 | ||
48 | #endif |