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Commit | Line | Data |
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98937d93 | 1 | #ifndef ALITRACKFITTERRIEMAN_H |
2 | #define ALITRACKFITTERRIEMAN_H | |
3 | ||
4 | #include "TMatrixDSym.h" | |
5 | ||
6 | #include "AliTrackFitter.h" | |
7 | ||
8 | class AliTrackFitterRieman : public AliTrackFitter{ | |
9 | public: | |
10 | AliTrackFitterRieman(); | |
11 | AliTrackFitterRieman(AliTrackPointArray *array, Bool_t owner = kTRUE); | |
12 | AliTrackFitterRieman(const AliTrackFitterRieman &rieman); | |
13 | AliTrackFitterRieman &operator =(const AliTrackFitterRieman& rieman); | |
14 | virtual ~AliTrackFitterRieman(); | |
15 | ||
16 | Bool_t Fit(UShort_t volId, | |
17 | AliTrackPointArray *pVolId, AliTrackPointArray *pTrack, | |
18 | AliAlignObj::ELayerID layerRangeMin = AliAlignObj::kFirstLayer, | |
19 | AliAlignObj::ELayerID layerRangeMax = AliAlignObj::kLastLayer); | |
20 | Bool_t GetPCA(const AliTrackPoint &p, AliTrackPoint &p2) const; | |
21 | ||
22 | void Reset(); | |
23 | void AddPoint(Float_t x, Float_t y, Float_t z, Float_t sy, Float_t sz); | |
24 | void Update(); | |
25 | ||
26 | Double_t GetC(); | |
27 | Double_t GetYat(Double_t x); | |
28 | Double_t GetZat(Double_t x); | |
29 | Double_t GetDYat(Double_t x); | |
30 | Double_t GetDZat(Double_t x); | |
31 | Bool_t GetXYZat(Double_t r, Float_t *xyz); | |
32 | ||
33 | protected: | |
34 | ||
35 | Double_t fAlpha; //angle to transform to the fitting coordinate system | |
36 | Double_t fSumXY[9]; //sums for XY part | |
37 | Double_t fSumXZ[9]; //sums for XZ part | |
38 | Bool_t fConv; // indicates convergation | |
39 | ||
40 | private: | |
41 | ||
42 | ClassDef(AliTrackFitterRieman,1) // Fast fit of helices on ITS RecPoints | |
43 | ||
44 | }; | |
45 | ||
46 | #endif |