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1 | #ifndef ALIEMCALSHISHKEBABTRD1MODULE_H | |
2 | #define ALIEMCALSHISHKEBABTRD1MODULE_H | |
3 | ||
4 | /* Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | /* $Id$ */ | |
8 | //_________________________________________________________________________ | |
9 | // Main class for TRD1 geometry of Shish-Kebab case. | |
10 | // Author: Aleksei Pavlinov(WSU). | |
11 | // Nov 2004; Feb 2006 | |
12 | ||
13 | #include <TNamed.h> | |
14 | #include <TMath.h> | |
15 | #include <TVector2.h> | |
16 | ||
17 | class AliEMCALGeometry; | |
18 | ||
19 | class AliEMCALShishKebabTrd1Module : public TNamed { | |
20 | public: | |
21 | AliEMCALShishKebabTrd1Module(Double_t theta=0.0, AliEMCALGeometry *g=0); | |
22 | AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor); | |
23 | void Init(Double_t A, Double_t B); | |
24 | void DefineAllStaff(); | |
25 | AliEMCALShishKebabTrd1Module(const AliEMCALShishKebabTrd1Module& mod); | |
26 | ||
27 | AliEMCALShishKebabTrd1Module & operator = (const AliEMCALShishKebabTrd1Module& /*rvalue*/) { | |
28 | Fatal("operator =", "not implemented") ; | |
29 | return *this ; | |
30 | } | |
31 | ||
32 | virtual ~AliEMCALShishKebabTrd1Module(void) {} | |
33 | Bool_t GetParameters(); | |
34 | void DefineName(Double_t theta); | |
35 | void DefineFirstModule(); | |
36 | ||
37 | Double_t GetTheta() const {return fTheta;} | |
38 | TVector2& GetCenterOfModule() {return fOK;} | |
39 | ||
40 | Double_t GetPosX() const {return fOK.Y();} | |
41 | Double_t GetPosZ() const {return fOK.X();} | |
42 | Double_t GetPosXfromR() const {return fOK.Y() - fgr;} | |
43 | Double_t GetA() const {return fA;} | |
44 | Double_t GetB() const {return fB;} | |
45 | Double_t GetRadius() const {return fgr;} | |
46 | // Additional offline staff | |
47 | // ieta=0 or 1 - Jun 02, 2006 | |
48 | TVector2& GetCenterOfCellInLocalCoordinateofSM(Int_t ieta) | |
49 | { if(ieta<=0) return fOK2; | |
50 | else return fOK1;} | |
51 | void GetCenterOfCellInLocalCoordinateofSM(Int_t ieta, Double_t &xr, Double_t &zr) const | |
52 | { | |
53 | if(ieta<=0) {xr = fOK2.Y(); zr = fOK2.X(); | |
54 | } else {xr = fOK1.Y(); zr = fOK1.X(); | |
55 | } | |
56 | } | |
57 | void GetCenterOfCellInLocalCoordinateofSM_3X3(Int_t ieta, Double_t &xr, Double_t &zr) const | |
58 | { // 3X3 case - Nov 9,2006 | |
59 | ieta = ieta<0? ieta=0 : ieta; // check index | |
60 | ieta = ieta>2? ieta=2 : ieta; | |
61 | xr = fOK3X3[2-ieta].Y(); | |
62 | zr = fOK3X3[2-ieta].X(); | |
63 | } | |
64 | void GetCenterOfCellInLocalCoordinateofSM_1X1(Double_t &xr, Double_t &zr) const | |
65 | { // 1X1 case - Nov 27,2006 | |
66 | // Center of cell is center of module | |
67 | xr = fOK.Y() - fgr; | |
68 | zr = fOK.X(); | |
69 | } | |
70 | // 15-may-06 | |
71 | TVector2& GetCenterOfModuleFace() {return fOB;} | |
72 | TVector2& GetCenterOfModuleFace(Int_t ieta) { | |
73 | if(ieta<=0) return fOB2; | |
74 | else return fOB1; | |
75 | } | |
76 | // | |
77 | Double_t GetTanBetta() const {return fgtanBetta;} | |
78 | Double_t Getb() const {return fgb;} | |
79 | // service methods | |
80 | void PrintShish(Int_t pri=1) const; // *MENU* | |
81 | Double_t GetThetaInDegree() const; | |
82 | Double_t GetEtaOfCenterOfModule() const; | |
83 | Double_t GetMaxEtaOfModule(int pri=0) const; | |
84 | static Double_t ThetaToEta(Double_t theta) | |
85 | {return -TMath::Log(TMath::Tan(theta/2.));} | |
86 | ||
87 | protected: | |
88 | // geometry info | |
89 | static AliEMCALGeometry *fgGeometry; //! | |
90 | static Double_t fga; // 2*dx1=2*dy1 | |
91 | static Double_t fga2; // 2*dx2 | |
92 | static Double_t fgb; // 2*dz1 | |
93 | static Double_t fgangle; // ~1 degree | |
94 | static Double_t fgtanBetta; // tan(fgangle/2.) | |
95 | static Double_t fgr; // radius to IP | |
96 | ||
97 | TVector2 fOK; // position the module center in ALICE system; x->y; z->x; | |
98 | Double_t fA; // parameters of right line : y = A*z + B | |
99 | Double_t fB; // system where zero point is IP. | |
100 | Double_t fThetaA; // angle coresponding fA - for convinience | |
101 | Double_t fTheta; // theta angle of perpendicular to SK module | |
102 | // position of towers(cells) with differents ieta (1 or 2) in local coordinate of SM | |
103 | // Nov 04,2004; Feb 19,2006 | |
104 | TVector2 fOK1; // ieta=1 | |
105 | TVector2 fOK2; // ieta=0 | |
106 | // May 13, 2006; local position of module (cells) face | |
107 | TVector2 fOB; // module | |
108 | TVector2 fOB1; // ieta=1 | |
109 | TVector2 fOB2; // ieta=0 | |
110 | // 3X3 case - Nov 9,2006 | |
111 | TVector2 fOK3X3[3]; | |
112 | // public: | |
113 | ClassDef(AliEMCALShishKebabTrd1Module,1) // TRD1 Shish-Kebab module | |
114 | }; | |
115 | ||
116 | #endif |