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