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. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
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10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15 // GeometryOfflineTrd1 class for EMCAL : singleton
20 //*-- Author: Aleksei Pavlinov (WSU)
28 #include <TObjArray.h>
30 #include "AliEMCALGeometryOfflineTrd1.h"
31 #include "AliEMCALShishKebabTrd1Module.h"
32 #include "AliEMCALGeometry.h"
34 ClassImp(AliEMCALGeometryOfflineTrd1)
36 AliEMCALGeometryOfflineTrd1* AliEMCALGeometryOfflineTrd1::fgGeomOfflineTrd1=0;
38 AliEMCALGeometryOfflineTrd1* AliEMCALGeometryOfflineTrd1::GetInstance()
40 //retrurn instance of the geometry
41 if(fgGeomOfflineTrd1==0) {
42 fgGeomOfflineTrd1 = new AliEMCALGeometryOfflineTrd1();
44 return fgGeomOfflineTrd1;
47 AliEMCALGeometryOfflineTrd1::AliEMCALGeometryOfflineTrd1() : TNamed("geomTRD1","")
49 // this private constarctor
50 fGeometry = AliEMCALGeometry::GetInstance("SHISH_62_TRD1");
54 void AliEMCALGeometryOfflineTrd1::Init()
58 fMaxInEta = fGeometry->GetNZ();
59 fTrd1Modules[0] = new AliEMCALShishKebabTrd1Module();
60 fSMMaxEta = 2*fMaxInEta;
61 fSMPositionEta = new TVector2[fSMMaxEta];
62 fSMPositionEta[0] = fTrd1Modules[0]->GetCenterOfCellInLocalCoordinateofSM(1);
63 fSMPositionEta[1] = fTrd1Modules[0]->GetCenterOfCellInLocalCoordinateofSM(2);
64 for(Int_t i=1; i<fMaxInEta; i++) {
65 fTrd1Modules[i] = new AliEMCALShishKebabTrd1Module(*(fTrd1Modules[i-1]));
66 fSMPositionEta[2*i] = fTrd1Modules[i]->GetCenterOfCellInLocalCoordinateofSM(1);
67 fSMPositionEta[2*i+1] = fTrd1Modules[i]->GetCenterOfCellInLocalCoordinateofSM(2);
70 fSMPositionPhi.Set(2*fGeometry->GetNPhi());
71 fShiftOnPhi = -fGeometry->GetPhiModuleSize()*fGeometry->GetNPhi()/2;
72 for(Int_t i=0; i<fGeometry->GetNPhi(); i++) {
73 fSMPositionPhi[2*i] = fGeometry->GetPhiModuleSize() * (double(i) + 0.25);
74 fSMPositionPhi[2*i+1] = fGeometry->GetPhiTileSize() + fSMPositionPhi[2*i];
77 // Super Module rotations
78 fNPhiSuperModule = fGeometry->GetNPhiSuperModule(); // see AliEMCALv0
79 double dphi = (fGeometry->GetArm1PhiMax() - fGeometry->GetArm1PhiMin()) / fNPhiSuperModule;
81 fSuperModuleRotationX.RotateX(TMath::Pi()); // matrix looks not so nice
82 for(Int_t i=0; i<fNPhiSuperModule; i++){
83 // rotations arround Z
84 phi = fGeometry->GetArm1PhiMin() + dphi*(2*i+1)/2.; // phi= 70, 90, 110, 130, 150, 170
85 phiRad = phi*TMath::DegToRad();
86 if(i==1) phiRad = TMath::PiOver2();
87 fSuperModuleRotationZ[i].RotateZ(phiRad);
88 TString ntmp("rotationZ_");
90 fNameSuperModuleRotationZ[i] = ntmp;
91 // Super Module rotation
92 fSuperModuleRotation[2*i] = fSuperModuleRotationZ[i]; // Z
93 fSuperModuleRotation[2*i+1] = fSuperModuleRotationZ[i] * fSuperModuleRotationX; // Z*X
96 fXYZofCells = new TObjArray(fGeometry->GetNCells());
97 fXYZofCells->SetName("CellsInGC");
98 Int_t nSupMod, nTower, nIphi, nIeta, iphi, ieta;
99 for(Int_t absId=1; absId<=fGeometry->GetNCells(); absId++){
100 if(fGeometry->GetCellIndex(absId, nSupMod,nTower,nIphi,nIeta)){
101 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi,ieta);
102 TVector3 *v = new TVector3;
103 v->SetX(fSMPositionEta[ieta-1].Y());
104 v->SetZ(fSMPositionEta[ieta-1].X());
105 v->SetY(fSMPositionPhi[iphi-1] + fShiftOnPhi);
106 v->Transform(fSuperModuleRotation[nSupMod-1]);
107 fXYZofCells->AddAt(v,absId-1);
112 TVector3& AliEMCALGeometryOfflineTrd1::PosInSuperModule(int nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta)
114 //return location of position within supermodule
116 static Int_t iphi, ieta;
118 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod, nTower,nIphi,nIeta, iphi,ieta);
120 // x-radius; y-phi; eta-z;
121 v.SetXYZ(fSMPositionEta[ieta].Y(), fSMPositionPhi[iphi], fSMPositionEta[ieta].X());
125 void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(Int_t iphi, Int_t ieta,
126 double &lphi, double &leta)
128 //return location of position within supermodule
131 lphi = fSMPositionPhi[iphi-1];
134 if(ie>fSMMaxEta-1) ie = fSMMaxEta-1;
135 leta = fSMPositionEta[ie].X();
138 void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(int nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
139 double &lphi, double &leta)
141 //return location of position within supermodule
143 static Int_t iphi,ieta;
144 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod, nTower,nIphi,nIeta,iphi,ieta);
145 PositionInSuperModule(iphi,ieta, lphi,leta);
148 TRotation* AliEMCALGeometryOfflineTrd1::Rotation(Int_t module)
150 //return rotation matrix for module
151 // module chabge from 1 to 12
152 if(module<1) module=1;
153 if(module>12) module=12;
154 return &fSuperModuleRotation[module];
157 TVector3* AliEMCALGeometryOfflineTrd1::CellPosition(int absId)
159 //return cell position given absoluted cell id
161 if(absId<1 || absId>fXYZofCells->GetSize()) return 0;
162 return (TVector3*)fXYZofCells->At(absId-1);
165 void AliEMCALGeometryOfflineTrd1::PrintSuperModule()
167 //utility method for printing supermodule info
169 printf(" ** Super module ** fSMMaxEta %i fSMMaxPHI %i\n ETA eta(Z) (X)\n",
170 fSMMaxEta,fSMPositionPhi.GetSize());
171 for(Int_t i=0; i<fSMMaxEta; i++) {
172 printf("%3i | %8.3f %8.3f\n", i+1,fSMPositionEta[i].X(), fSMPositionEta[i].Y());
174 printf("\n PHI (Y)\n");
175 for(Int_t i=0; i<fSMPositionPhi.GetSize(); i++) {
176 printf("%3i | %8.3f\n",i+1, fSMPositionPhi[i]);
180 void AliEMCALGeometryOfflineTrd1::PrintCell(Int_t absId)
182 //utility method for printing cell info
183 Int_t nSupMod, nTower, nIphi, nIeta, iphi, ieta;
184 if(fGeometry->GetCellIndex(absId, nSupMod,nTower,nIphi,nIeta)){
185 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi,ieta);
186 TVector3 *v = CellPosition(absId);
187 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",
188 absId, v->X(),v->Y(),v->Z(), nSupMod,nTower,nIphi,nIeta, iphi,ieta);
190 Warning("PrintCell","Wrong abs id %i\n",absId);
194 void AliEMCALGeometryOfflineTrd1::Browse(TBrowser* b)
196 //Browse the geometry
197 if(fGeometry) b->Add(fGeometry);
199 for(Int_t i=0; i<fMaxInEta; i++) if(fTrd1Modules[i]>0) b->Add(fTrd1Modules[i]);
201 for(Int_t i=0; i<fNPhiSuperModule; i++){
202 b->Add(&fSuperModuleRotationZ[i], fNameSuperModuleRotationZ[i].Data());
203 for(Int_t j=0; j<2; j++) {
204 TString name("rotationM_"); name += (2*i+j);
205 b->Add(&fSuperModuleRotation[2*i+j], name.Data());
209 b->Add(&fSuperModuleRotationX, "rotationX_180");
214 Bool_t AliEMCALGeometryOfflineTrd1::IsFolder() const