1 #ifndef ALIJETDUMMYSHISHKEBABTRD1MODULE_H
2 #define ALIJETDUMMYSHISHKEBABTRD1MODULE_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).
14 // Class modified and implemented in JETAN
26 class AliJetDummyShishKebabTrd1Module : public TNamed {
28 AliJetDummyShishKebabTrd1Module(Double_t theta=0.0, AliJetDummyGeo *g=0);
29 AliJetDummyShishKebabTrd1Module(AliJetDummyShishKebabTrd1Module &leftNeighbor);
30 void Init(Double_t A, Double_t B);
31 void DefineAllStaff();
32 AliJetDummyShishKebabTrd1Module(const AliJetDummyShishKebabTrd1Module& mod);
34 AliJetDummyShishKebabTrd1Module & operator = (const AliJetDummyShishKebabTrd1Module& /*rvalue*/) {
35 Fatal("operator =", "not implemented") ;
39 virtual ~AliJetDummyShishKebabTrd1Module(void) {}
40 Bool_t GetParameters();
41 void DefineName(Double_t theta);
42 void DefineFirstModule();
44 Double_t GetTheta() const {return fTheta;}
45 TVector2& GetCenterOfModule() {return fOK;}
47 Double_t GetPosX() const {return fOK.Y();}
48 Double_t GetPosZ() const {return fOK.X();}
49 Double_t GetPosXfromR() const {return fOK.Y() - fgr;}
50 Double_t GetA() const {return fA;}
51 Double_t GetB() const {return fB;}
52 Double_t GetRadius() const {return fgr;}
53 // Additional offline staff
54 // ieta=0 or 1 - Jun 02, 2006
55 TVector2& GetCenterOfCellInLocalCoordinateofSM(Int_t ieta)
56 { if(ieta<=0) return fOK2;
58 void GetCenterOfCellInLocalCoordinateofSM(Int_t ieta, Double_t &xr, Double_t &zr) const
60 if(ieta<=0) {xr = fOK2.Y(); zr = fOK2.X();
61 } else {xr = fOK1.Y(); zr = fOK1.X();
64 void GetCenterOfCellInLocalCoordinateofSM3X3(Int_t ieta, Double_t &xr, Double_t &zr) const;
65 void GetCenterOfCellInLocalCoordinateofSM1X1(Double_t &xr, Double_t &zr) const;
67 TVector2& GetCenterOfModuleFace() {return fOB;}
68 TVector2& GetCenterOfModuleFace(Int_t ieta) {
69 if(ieta<=0) return fOB2;
73 Double_t GetTanBetta() const {return fgtanBetta;}
74 Double_t Getb() const {return fgb;}
76 void PrintShish(Int_t pri=1) const; // *MENU*
77 Double_t GetThetaInDegree() const;
78 Double_t GetEtaOfCenterOfModule() const;
79 Double_t GetMaxEtaOfModule(Int_t pri=0) const;
80 static Double_t ThetaToEta(Double_t theta)
81 {return -TMath::Log(TMath::Tan(theta/2.));}
85 static AliJetDummyGeo *fgGeometry; //!
86 static Double_t fga; // 2*dx1=2*dy1
87 static Double_t fga2; // 2*dx2
88 static Double_t fgb; // 2*dz1
89 static Double_t fgangle; // ~1 degree
90 static Double_t fgtanBetta; // tan(fgangle/2.)
91 static Double_t fgr; // radius to IP
93 TVector2 fOK; // position the module center in ALICE system; x->y; z->x;
94 Double_t fA; // parameters of right line : y = A*z + B
95 Double_t fB; // system where zero point is IP.
96 Double_t fThetaA; // angle coresponding fA - for convinience
97 Double_t fTheta; // theta angle of perpendicular to SK module
98 // position of towers(cells) with differents ieta (1 or 2) in local coordinate of SM
99 // Nov 04,2004; Feb 19,2006
100 TVector2 fOK1; // ieta=1
101 TVector2 fOK2; // ieta=0
102 // May 13, 2006; local position of module (cells) face
103 TVector2 fOB; // module
104 TVector2 fOB1; // ieta=1
105 TVector2 fOB2; // ieta=0
106 // 3X3 case - Nov 9,2006
107 TVector2 fOK3X3[3]; // tower positions 3X3
108 Int_t fDebug; // debug flag
109 ClassDef(AliJetDummyShishKebabTrd1Module,1) // TRD1 Shish-Kebab module
112 void AliJetDummyShishKebabTrd1Module::GetCenterOfCellInLocalCoordinateofSM3X3(Int_t ieta, Double_t &xr, Double_t &zr) const
115 // 3X3 case - Nov 9,2006
116 ieta = ieta<0? 0 : ieta; // check index
117 ieta = ieta>2? 2 : ieta;
118 xr = fOK3X3[2-ieta].Y();
119 zr = fOK3X3[2-ieta].X();
122 void AliJetDummyShishKebabTrd1Module::GetCenterOfCellInLocalCoordinateofSM1X1(Double_t &xr, Double_t &zr) const
124 // 1X1 case - Nov 27,2006
125 // Center of cell is center of module