]>
Commit | Line | Data |
---|---|---|
13918578 | 1 | #ifndef ALIITSTRACKERSA_H |
2 | #define ALIITSTRACKERSA_H | |
3 | ||
4 | ||
5 | ||
6 | #include "AliITStrackerV2.h" | |
7 | ||
8 | /* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. * | |
9 | * See cxx source for full Copyright notice */ | |
10 | ||
11 | //////////////////////////////////////////////////// | |
12 | // Stand alone tracker class // | |
13 | // Origin: Elisabetta Crescio // | |
14 | // e-mail: crescio@to.infn.it // | |
15 | //////////////////////////////////////////////////// | |
16 | ||
17 | class AliITSclusterTable; | |
18 | class AliITStrackSA; | |
19 | class AliITSVertex; | |
20 | class AliITSVertexer; | |
21 | ||
22 | class AliITStrackerSA : public AliITStrackerV2 { | |
23 | ||
24 | ||
25 | public: | |
26 | ||
27 | AliITStrackerSA(); | |
28 | AliITStrackerSA(AliITSgeom *geom,AliITSVertex *vert); | |
29 | AliITStrackerSA(AliITSgeom *geom,AliITSVertexer *vertexer); | |
30 | AliITStrackerSA(AliITStrackerSA& tracker); | |
31 | virtual ~AliITStrackerSA(); | |
32 | void FindTracks(TTree *clusterTree, TTree *out,Int_t evnumber=0, | |
33 | char *opt="6/6"); | |
34 | ||
35 | AliITStrackV2* FitTrack(AliITStrackSA* tr,Double_t* primaryVertex, | |
36 | Double_t *errorprimvert,char *opt="6/6"); | |
37 | ||
38 | AliITStrackV2* FindTrackLowChiSquare(TObjArray* tracklist, Int_t dim) const; | |
39 | void SetVertex(AliITSVertex *vtx){fVert = vtx;} | |
40 | void SetWindowSizes(Int_t n=46, Double_t *phi=0, Double_t *lam=0); | |
41 | void UseFoundTracksV2(Int_t evnum,TTree* treev2, TTree* clustertree); | |
42 | ||
43 | protected: | |
44 | ||
45 | // copy constructor (NO copy allowed: the constructor is protected | |
46 | // to avoid misuse) | |
47 | AliITStrackerSA(const AliITStrackerSA& trkr); | |
48 | // assignment operator (NO assignment allowed) | |
49 | AliITStrackerSA& operator=(const AliITStrackerSA& /* trkr */); | |
50 | //Initialization | |
51 | void Init(); | |
52 | Int_t GetFlagLoadedClusters() const {return fFlagLoad;} | |
53 | ||
54 | void GetClusterGCoordinates(AliITSclusterV2* cluster, | |
55 | Int_t module,Double_t& x, Double_t& y,Double_t& z); | |
56 | void GetClusterGErrors(AliITSclusterV2* cluster, | |
57 | Int_t module,Double_t& sigmax, Double_t& sigmay, | |
58 | Double_t& sigmaz); | |
59 | void ResetForFinding(); | |
60 | void SetFlagLoadedClusters(Int_t d) {fFlagLoad=d;} | |
61 | ||
62 | void UpdatePoints(); | |
63 | ||
64 | static Double_t Curvature(Double_t x1,Double_t y1,Double_t x2,Double_t y2, | |
65 | Double_t x3,Double_t y3); | |
66 | ||
67 | Double_t ChoosePoint(Double_t p1, Double_t p2, Double_t pp); | |
68 | ||
69 | static Int_t FindIntersection(Float_t a1, Float_t b1, Float_t c1, Float_t c2, | |
70 | Float_t& x1,Float_t& y1, Float_t& x2, Float_t& y2); | |
71 | static Int_t FindEquation(Float_t x1, Float_t y1, Float_t x2, Float_t y2, | |
72 | Float_t x3, Float_t y3,Float_t& a, Float_t& b, | |
73 | Float_t& c); | |
74 | ||
75 | static Int_t FindLabel(Int_t l1, Int_t l2, Int_t l3, Int_t l4, Int_t l5, Int_t l6); | |
76 | static Int_t Label(Int_t gl1, Int_t gl2, Int_t gl3, Int_t gl4, Int_t gl5, | |
77 | Int_t gl6,Int_t gl7, Int_t gl8, Int_t gl9, Int_t gl10,Int_t gl11, | |
78 | Int_t gl12, Int_t gl13, Int_t gl14,Int_t gl15, Int_t gl16, | |
79 | Int_t gl17, Int_t gl18, Int_t numberofpoints=6); | |
80 | ||
81 | Int_t SearchClusters(Int_t layer,Double_t phiwindow,Double_t lambdawindow, | |
82 | AliITStrackSA* trs,Double_t zvertex,Double_t yvertex, | |
83 | Double_t xvertex, Int_t flagp, AliITSclusterTable* table); | |
84 | ||
85 | ||
86 | Double_t fPhiEstimate; //Estimation of phi angle on next layer | |
87 | Float_t fPoint1[2]; //! coord. of 1-st point to evaluate the curvature | |
88 | Float_t fPoint2[2]; //! coord. of 2-nd point to evaluate the curvature | |
89 | Float_t fPoint3[2]; //! coord. of 3-rd point to evaluate the curvature | |
90 | Float_t fPointc[2]; //! current point coord (for curvature eval.) | |
91 | Double_t fLambdac; //! current value of the Lambda angle in the window | |
92 | Double_t fPhic; //! current value of the Phi angle in the window | |
93 | Float_t fCoef1; //! param. of the equation of the circ. approx a layer | |
94 | Float_t fCoef2; //! param. of the equation of the circ. approx a layer | |
95 | Float_t fCoef3; //! param. of the equation of the circ. approx a layer | |
96 | Int_t fNloop; // Number of iterqations on phi and lambda windows | |
97 | Double_t *fPhiWin; // phi window sizes | |
98 | Double_t *fLambdaWin; // lambda window sizes | |
99 | AliITSVertex *fVert; //! primary vertex | |
100 | AliITSVertexer *fVertexer; //! vertexer | |
101 | AliITSgeom *fGeom; //! ITS geometry | |
102 | Int_t fFlagLoad; // flag for loaded clusters (1==already loaded) | |
103 | AliITSclusterTable* fTable; // table with clusters | |
104 | ClassDef(AliITStrackerSA,1) | |
105 | }; | |
106 | ||
107 | #endif | |
108 | ||
109 | ||
110 |