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).
17 class AliEMCALEMCGeometry;
19 class AliEMCALShishKebabTrd1Module : public TNamed {
21 AliEMCALShishKebabTrd1Module(Double_t theta=0.0, AliEMCALEMCGeometry *g=0);
22 AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor);
23 void Init(Double_t A, Double_t B);
24 void DefineAllStaff();
25 AliEMCALShishKebabTrd1Module(const AliEMCALShishKebabTrd1Module& mod);
27 AliEMCALShishKebabTrd1Module & operator = (const AliEMCALShishKebabTrd1Module& /*rvalue*/) {
28 Fatal("operator =", "not implemented") ;
32 virtual ~AliEMCALShishKebabTrd1Module(void) {}
33 Bool_t GetParameters();
34 void DefineName(Double_t theta);
35 void DefineFirstModule();
37 Double_t GetTheta() const {return fTheta;}
38 TVector2& GetCenterOfModule() {return fOK;}
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;
51 void GetCenterOfCellInLocalCoordinateofSM(Int_t ieta, Double_t &xr, Double_t &zr) const
53 if(ieta<=0) {xr = fOK2.Y(); zr = fOK2.X();
54 } else {xr = fOK1.Y(); zr = fOK1.X();
57 void GetCenterOfCellInLocalCoordinateofSM3X3(Int_t ieta, Double_t &xr, Double_t &zr) const
58 { // 3X3 case - Nov 9,2006
59 if(ieta < 0) ieta = 0; //ieta = ieta<0? ieta=0 : ieta; // check index
60 if(ieta > 2) ieta = 2; //ieta = ieta>2? ieta=2 : ieta;
61 xr = fOK3X3[2-ieta].Y(); zr = fOK3X3[2-ieta].X();
63 void GetCenterOfCellInLocalCoordinateofSM1X1(Double_t &xr, Double_t &zr) const
64 { // 1X1 case - Nov 27,2006 // Center of cell is center of module
69 TVector2& GetCenterOfModuleFace() {return fOB;}
70 TVector2& GetCenterOfModuleFace(Int_t ieta) {
71 if(ieta<=0) return fOB2;
75 void GetPositionAtCenterCellLine(Int_t ieta, Double_t dist, TVector2 &v);
77 Double_t GetTanBetta() const {return fgtanBetta;}
78 Double_t Getb() const {return fgb;}
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.));}
89 static AliEMCALEMCGeometry *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
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) center face
107 TVector2 fOB; // module
108 TVector2 fOB1; // ieta=1
109 TVector2 fOB2; // ieta=0
111 Double_t fThetaOB1; // theta of cell center line (go through OB1)
112 Double_t fThetaOB2; // theta of cell center line (go through OB2)
113 // 3X3 case - Nov 9,2006
116 ClassDef(AliEMCALShishKebabTrd1Module,3) // TRD1 Shish-Kebab module