1 /**************************************************************************
2 * Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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12 * about the suitability of this software for any purpose. It is *
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14 **************************************************************************/
15 // GeometryOfflineTrd1 class for EMCAL : singleton
16 //*-- Author: Aleksei Pavlinov (WSU)
24 #include <TObjArray.h>
26 #include "AliEMCALGeometryOfflineTrd1.h"
27 #include "AliEMCALShishKebabTrd1Module.h"
28 #include "AliEMCALGeometry.h"
30 ClassImp(AliEMCALGeometryOfflineTrd1)
32 AliEMCALGeometryOfflineTrd1* AliEMCALGeometryOfflineTrd1::fgGeomOfflineTrd1=0;
34 AliEMCALGeometryOfflineTrd1* AliEMCALGeometryOfflineTrd1::GetInstance()
36 if(fgGeomOfflineTrd1==0) {
37 fgGeomOfflineTrd1 = new AliEMCALGeometryOfflineTrd1();
39 return fgGeomOfflineTrd1;
42 AliEMCALGeometryOfflineTrd1::AliEMCALGeometryOfflineTrd1() : TNamed("geomTRD1","")
43 { // this private constarctor
44 fGeometry = AliEMCALGeometry::GetInstance("SHISH_62_TRD1");
48 void AliEMCALGeometryOfflineTrd1::Init()
52 fMaxInEta = fGeometry->GetNZ();
53 fTrd1Modules[0] = new AliEMCALShishKebabTrd1Module();
54 fSMMaxEta = 2*fMaxInEta;
55 fSMPositionEta = new TVector2[fSMMaxEta];
56 fSMPositionEta[0] = fTrd1Modules[0]->GetCenterOfCellInLocalCoordinateofSM(1);
57 fSMPositionEta[1] = fTrd1Modules[0]->GetCenterOfCellInLocalCoordinateofSM(2);
58 for(Int_t i=1; i<fMaxInEta; i++) {
59 fTrd1Modules[i] = new AliEMCALShishKebabTrd1Module(*(fTrd1Modules[i-1]));
60 fSMPositionEta[2*i] = fTrd1Modules[i]->GetCenterOfCellInLocalCoordinateofSM(1);
61 fSMPositionEta[2*i+1] = fTrd1Modules[i]->GetCenterOfCellInLocalCoordinateofSM(2);
64 fSMPositionPhi.Set(2*fGeometry->GetNPhi());
65 fShiftOnPhi = -fGeometry->GetPhiModuleSize()*fGeometry->GetNPhi()/2;
66 for(Int_t i=0; i<fGeometry->GetNPhi(); i++) {
67 fSMPositionPhi[2*i] = fGeometry->GetPhiModuleSize() * (double(i) + 0.25);
68 fSMPositionPhi[2*i+1] = fGeometry->GetPhiTileSize() + fSMPositionPhi[2*i];
71 // Super Module rotations
72 fNPhiSuperModule = fGeometry->GetNPhiSuperModule(); // see AliEMCALv0
73 double dphi = (fGeometry->GetArm1PhiMax() - fGeometry->GetArm1PhiMin()) / fNPhiSuperModule;
75 fSuperModuleRotationX.RotateX(TMath::Pi()); // matrix looks not so nice
76 for(Int_t i=0; i<fNPhiSuperModule; i++){
77 // rotations arround Z
78 phi = fGeometry->GetArm1PhiMin() + dphi*(2*i+1)/2.; // phi= 70, 90, 110, 130, 150, 170
79 phiRad = phi*TMath::DegToRad();
80 if(i==1) phiRad = TMath::PiOver2();
81 fSuperModuleRotationZ[i].RotateZ(phiRad);
82 TString ntmp("rotationZ_");
84 fNameSuperModuleRotationZ[i] = ntmp;
85 // Super Module rotation
86 fSuperModuleRotation[2*i] = fSuperModuleRotationZ[i]; // Z
87 fSuperModuleRotation[2*i+1] = fSuperModuleRotationZ[i] * fSuperModuleRotationX; // Z*X
90 fXYZofCells = new TObjArray(fGeometry->GetNCells());
91 fXYZofCells->SetName("CellsInGC");
92 Int_t nSupMod, nTower, nIphi, nIeta, iphi, ieta;
93 for(Int_t absId=1; absId<=fGeometry->GetNCells(); absId++){
94 if(fGeometry->GetCellIndex(absId, nSupMod,nTower,nIphi,nIeta)){
95 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi,ieta);
96 TVector3 *v = new TVector3;
97 v->SetX(fSMPositionEta[ieta-1].Y());
98 v->SetZ(fSMPositionEta[ieta-1].X());
99 v->SetY(fSMPositionPhi[iphi-1] + fShiftOnPhi);
100 v->Transform(fSuperModuleRotation[nSupMod-1]);
101 fXYZofCells->AddAt(v,absId-1);
106 TVector3& AliEMCALGeometryOfflineTrd1::PosInSuperModule(int nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta)
108 static Int_t iphi, ieta;
110 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod, nTower,nIphi,nIeta, iphi,ieta);
112 // x-radius; y-phi; eta-z;
113 v.SetXYZ(fSMPositionEta[ieta].Y(), fSMPositionPhi[iphi], fSMPositionEta[ieta].X());
117 void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(Int_t iphi, Int_t ieta,
118 double &lphi, double &leta)
121 lphi = fSMPositionPhi[iphi-1];
124 if(ie>fSMMaxEta-1) ie = fSMMaxEta-1;
125 leta = fSMPositionEta[ie].X();
128 void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(int nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
129 double &lphi, double &leta)
131 static Int_t iphi,ieta;
132 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod, nTower,nIphi,nIeta,iphi,ieta);
133 PositionInSuperModule(iphi,ieta, lphi,leta);
136 TRotation* AliEMCALGeometryOfflineTrd1::Rotation(Int_t module)
137 { // module chabge from 1 to 12
138 if(module<1) module=1;
139 if(module>12) module=12;
140 return &fSuperModuleRotation[module];
143 TVector3* AliEMCALGeometryOfflineTrd1::CellPosition(int absId)
145 if(absId<1 || absId>fXYZofCells->GetSize()) return 0;
146 return (TVector3*)fXYZofCells->At(absId-1);
149 void AliEMCALGeometryOfflineTrd1::PrintSuperModule()
151 printf(" ** Super module ** fSMMaxEta %i fSMMaxPHI %i\n ETA eta(Z) (X)\n",
152 fSMMaxEta,fSMPositionPhi.GetSize());
153 for(Int_t i=0; i<fSMMaxEta; i++) {
154 printf("%3i | %8.3f %8.3f\n", i+1,fSMPositionEta[i].X(), fSMPositionEta[i].Y());
156 printf("\n PHI (Y)\n");
157 for(Int_t i=0; i<fSMPositionPhi.GetSize(); i++) {
158 printf("%3i | %8.3f\n",i+1, fSMPositionPhi[i]);
162 void AliEMCALGeometryOfflineTrd1::PrintCell(Int_t absId)
164 Int_t nSupMod, nTower, nIphi, nIeta, iphi, ieta;
165 if(fGeometry->GetCellIndex(absId, nSupMod,nTower,nIphi,nIeta)){
166 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi,ieta);
167 TVector3 *v = CellPosition(absId);
168 printf("(%5i) X %8.3f Y %8.3f Z %8.3f | #sup.Mod %2i #tower %3i nIphi %1i nIeta %1i | iphi %2i ieta %2i\n",
169 absId, v->X(),v->Y(),v->Z(), nSupMod,nTower,nIphi,nIeta, iphi,ieta);
171 Warning("PrintCell","Wrong abs id %i\n",absId);
175 void AliEMCALGeometryOfflineTrd1::Browse(TBrowser* b)
177 if(fGeometry) b->Add(fGeometry);
179 for(Int_t i=0; i<fMaxInEta; i++) if(fTrd1Modules[i]>0) b->Add(fTrd1Modules[i]);
181 for(Int_t i=0; i<fNPhiSuperModule; i++){
182 b->Add(&fSuperModuleRotationZ[i], fNameSuperModuleRotationZ[i].Data());
183 for(Int_t j=0; j<2; j++) {
184 TString name("rotationM_"); name += (2*i+j);
185 b->Add(&fSuperModuleRotation[2*i+j], name.Data());
189 b->Add(&fSuperModuleRotationX, "rotationX_180");
194 Bool_t AliEMCALGeometryOfflineTrd1::IsFolder() const