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26 /// \file electromagnetic/TestEm2/src/Detector << 23 //
27 /// \brief Implementation of the DetectorConst << 24 // $Id: DetectorConstruction.cc,v 1.7 2004/06/18 15:43:41 maire Exp $
28 // << 25 // GEANT4 tag $Name: geant4-08-00 $
>> 26
29 //....oooOO0OOooo........oooOO0OOooo........oo 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
30 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 29
32 #include "DetectorConstruction.hh" 30 #include "DetectorConstruction.hh"
33 <<
34 #include "DetectorMessenger.hh" 31 #include "DetectorMessenger.hh"
35 32
36 #include "G4AutoDelete.hh" << 33 #include "G4Tubs.hh"
37 #include "G4GeometryManager.hh" <<
38 #include "G4GlobalMagFieldMessenger.hh" <<
39 #include "G4LogicalVolume.hh" 34 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh" <<
41 #include "G4NistManager.hh" <<
42 #include "G4PVPlacement.hh" 35 #include "G4PVPlacement.hh"
>> 36 #include "G4PVReplica.hh"
>> 37 #include "G4UniformMagField.hh"
>> 38
>> 39 #include "G4GeometryManager.hh"
43 #include "G4PhysicalVolumeStore.hh" 40 #include "G4PhysicalVolumeStore.hh"
44 #include "G4RunManager.hh" << 41 #include "G4LogicalVolumeStore.hh"
45 #include "G4SolidStore.hh" 42 #include "G4SolidStore.hh"
46 #include "G4SystemOfUnits.hh" << 43
47 #include "G4Tubs.hh" << 44 #include "G4VisAttributes.hh"
48 #include "G4UnitsTable.hh" 45 #include "G4UnitsTable.hh"
49 46
50 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 48
52 DetectorConstruction::DetectorConstruction() 49 DetectorConstruction::DetectorConstruction()
>> 50 :nLtot(20),nRtot(20),dLradl(1.),dRradl(0.25),
>> 51 myMaterial(0),magField(0) ,
>> 52 EcalLength(0.),EcalRadius(0.) ,
>> 53 solidEcal(0) ,logicEcal(0) ,physiEcal(0),
>> 54 solidSlice(0),logicSlice(0),physiSlice(0),
>> 55 solidRing(0) ,logicRing(0) ,physiRing(0)
53 { 56 {
54 DefineMaterials(); 57 DefineMaterials();
55 SetMaterial("G4_PbWO4"); << 58 SetMaterial("PbWO4");
56 fDetectorMessenger = new DetectorMessenger(t << 59 detectorMessenger = new DetectorMessenger(this);
57 } 60 }
58 61
59 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60 63
61 DetectorConstruction::~DetectorConstruction() 64 DetectorConstruction::~DetectorConstruction()
>> 65 { delete detectorMessenger;}
>> 66
>> 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 68
>> 69 G4VPhysicalVolume* DetectorConstruction::Construct()
62 { 70 {
63 delete fDetectorMessenger; << 71 return ConstructVolumes();
64 } 72 }
65 73
66 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 75
68 void DetectorConstruction::DefineMaterials() 76 void DetectorConstruction::DefineMaterials()
69 { 77 {
70 // 78 //
71 // define few Elements by hand << 79 // define few Elements
72 // 80 //
73 G4double a, z; 81 G4double a, z;
74 << 82
75 G4Element* H = new G4Element("Hydrogen", "H" << 83 G4Element* H = new G4Element("Hydrogen", "H", z= 1., a= 1.01*g/mole);
76 G4Element* O = new G4Element("Oxygen", "O", << 84 G4Element* N = new G4Element("Nitrogen", "N", z= 7., a= 14.01*g/mole);
77 G4Element* Ge = new G4Element("Germanium", " << 85 G4Element* O = new G4Element("Oxygen" , "O", z= 8., a= 16.00*g/mole);
78 G4Element* Bi = new G4Element("Bismuth", "Bi << 86 G4Element* Ge = new G4Element("Germanium", "Ge",z=32., a= 72.59*g/mole);
>> 87 G4Element* W = new G4Element("Tungsten", "W", z=74., a= 183.84*g/mole);
>> 88 G4Element* Pb = new G4Element("Lead", "Pb",z=82., a= 207.19*g/mole);
>> 89 G4Element* Bi = new G4Element("Bismuth", "Bi",z=83., a= 208.98*g/mole);
79 90
80 // 91 //
81 // define materials 92 // define materials
82 // 93 //
83 G4double density; 94 G4double density;
84 G4int ncomponents, natoms; << 95 G4double fractionmass; G4int ncomponents, natoms;
85 96
86 // water with ionisation potential 78 eV << 97 G4Material* Air =
87 G4Material* H2O = new G4Material("Water", de << 98 new G4Material("Air", density= 1.29*mg/cm3, ncomponents=2);
88 H2O->AddElement(H, natoms = 2); << 99 Air->AddElement(N, fractionmass=0.7);
89 H2O->AddElement(O, natoms = 1); << 100 Air->AddElement(O, fractionmass=0.3);
90 H2O->GetIonisation()->SetMeanExcitationEnerg << 101
91 << 102 G4Material* H2O =
92 // pure materails << 103 new G4Material("Water", density= 1.00*g/cm3, ncomponents=2);
93 new G4Material("liquidArgon", z = 18., a = 3 << 104 H2O->AddElement(H, natoms=2);
94 new G4Material("Aluminium", z = 13., a = 26. << 105 H2O->AddElement(O, natoms=1);
95 new G4Material("Iron", z = 26., a = 55.85 * << 106 H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV);
96 new G4Material("Copper", z = 29., a = 63.55 << 107
97 new G4Material("Tungsten", z = 74., a = 183. << 108 new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);
98 new G4Material("Lead", z = 82., a = 207.19 * << 109
99 new G4Material("Uranium", z = 92., a = 238.0 << 110 new G4Material("Aluminium", z=13., a= 26.98*g/mole, density= 2.7*g/cm3);
100 << 111
101 // compound material << 112 G4Material* Fe =
102 G4Material* BGO = new G4Material("BGO", dens << 113 new G4Material("Iron", z=26., a= 55.85*g/mole, density= 7.87*g/cm3);
103 BGO->AddElement(O, natoms = 12); << 114 G4Material* Ni =
104 BGO->AddElement(Ge, natoms = 3); << 115 new G4Material("Nickel", z=28., a= 58.69*g/mole, density= 8.96*g/cm3);
105 BGO->AddElement(Bi, natoms = 4); << 116 G4Material* Cu =
106 << 117 new G4Material("Copper", z=29., a= 63.54*g/mole, density= 8.96*g/cm3);
107 ////G4cout << *(G4Material::GetMaterialTable << 118
108 } << 119 G4Material* BGO =
>> 120 new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3);
>> 121 BGO->AddElement(O , natoms=12);
>> 122 BGO->AddElement(Ge, natoms= 3);
>> 123 BGO->AddElement(Bi, natoms= 4);
>> 124
>> 125 G4Material* PbWO =
>> 126 new G4Material("PbWO4", density= 8.28*g/cm3, ncomponents=3);
>> 127 PbWO->AddElement(O , natoms=4);
>> 128 PbWO->AddElement(Pb, natoms=1);
>> 129 PbWO->AddElement(W , natoms=1);
>> 130
>> 131 G4Material* w =
>> 132 new G4Material("Tungsten", density= 19.30*g/cm3, ncomponents=1);
>> 133 w->AddElement(W, fractionmass=1.0);
>> 134
>> 135 G4Material* ma1 = new G4Material("FCal2Slugs",density = 18.6*g/cm3, 3);
>> 136 ma1->AddMaterial(w, fractionmass=0.97);
>> 137 ma1->AddMaterial(Fe,fractionmass=0.01);
>> 138 ma1->AddMaterial(Ni,fractionmass=0.02);
>> 139
>> 140 G4Material* ma2 = new G4Material("FCal2Abs",density = 10.*g/cm3, 2);
>> 141 ma2->AddMaterial(Cu, fractionmass=0.2);
>> 142 ma2->AddMaterial(ma1,fractionmass=0.8);
>> 143
>> 144 G4Material* pb =
>> 145 new G4Material("Lead", density= 11.35*g/cm3, ncomponents=1);
>> 146 pb->AddElement(Pb, fractionmass=1.0);
109 147
110 //....oooOO0OOooo........oooOO0OOooo........oo << 148 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
111 <<
112 void DetectorConstruction::UpdateParameters() <<
113 { <<
114 G4double Radl = fMaterial->GetRadlen(); <<
115 fDLlength = fDLradl * Radl; <<
116 fDRlength = fDRradl * Radl; <<
117 fEcalLength = fNLtot * fDLlength; <<
118 fEcalRadius = fNRtot * fDRlength; <<
119 if (fSolidEcal) { <<
120 fSolidEcal->SetOuterRadius(fEcalRadius); <<
121 fSolidEcal->SetZHalfLength(0.5 * fEcalLeng <<
122 } <<
123 } 149 }
124 150
125 //....oooOO0OOooo........oooOO0OOooo........oo 151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
126 152
127 G4VPhysicalVolume* DetectorConstruction::Const << 153 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
128 { 154 {
129 UpdateParameters(); << 155 G4double Radl = myMaterial->GetRadlen();
>> 156
>> 157 G4double dL = dLradl*Radl, dR = dRradl*Radl;
>> 158 EcalLength = nLtot*dL; EcalRadius = nRtot*dR;
>> 159
>> 160
>> 161 // Cleanup old geometry
>> 162 G4GeometryManager::GetInstance()->OpenGeometry();
>> 163 G4PhysicalVolumeStore::GetInstance()->Clean();
>> 164 G4LogicalVolumeStore::GetInstance()->Clean();
>> 165 G4SolidStore::GetInstance()->Clean();
>> 166
130 // 167 //
131 // Ecal 168 // Ecal
132 // 169 //
133 if (!fPhysiEcal) { << 170 solidEcal = new G4Tubs("Ecal",0.,EcalRadius,0.5*EcalLength,0.,360*deg);
134 fSolidEcal = new G4Tubs("Ecal", 0., fEcalR << 171 logicEcal = new G4LogicalVolume( solidEcal,myMaterial,"Ecal",0,0,0);
135 fLogicEcal = new G4LogicalVolume(fSolidEca << 172 physiEcal = new G4PVPlacement(0,G4ThreeVector(),
136 fPhysiEcal = new G4PVPlacement(0, G4ThreeV << 173 logicEcal,"Ecal",0,false,0);
137 } << 174
138 G4cout << "\n Absorber is " << G4BestUnit(fE << 175 // Ring
139 << " R= " << fEcalRadius / cm << " c << 176 //
140 << G4endl; << 177 for (G4int i=0; i<nRtot; i++)
141 G4cout << fMaterial << G4endl; << 178 {
>> 179 solidRing = new G4Tubs("Ring",i*dR,(i+1)*dR,0.5*EcalLength,0.,360*deg);
>> 180 logicRing = new G4LogicalVolume(solidRing,myMaterial,"Ring",0,0,0);
>> 181 physiRing = new G4PVPlacement(0,G4ThreeVector(),logicRing,"Ring",
>> 182 logicEcal,false,i);
>> 183
>> 184 // Slice
>> 185 solidSlice = new G4Tubs("Slice",i*dR,(i+1)*dR,0.5*dL,0.,360*deg);
>> 186 logicSlice = new G4LogicalVolume(solidSlice,myMaterial,"Slice",0,0,0);
>> 187 logicSlice-> SetVisAttributes(G4VisAttributes::Invisible);
>> 188 if (nLtot >1)
>> 189 physiSlice = new G4PVReplica("Slice",logicSlice,logicRing,
>> 190 kZAxis,nLtot,dL);
>> 191 else
>> 192 physiSlice = new G4PVPlacement(0,G4ThreeVector(),logicSlice,"Slice",
>> 193 logicRing,false,0);
>> 194 }
>> 195
>> 196
>> 197 G4cout << "Absorber is " << G4BestUnit(EcalLength,"Length")
>> 198 << " of " << myMaterial->GetName() << G4endl;
>> 199 G4cout << myMaterial << G4endl;
>> 200
142 // 201 //
143 // always return the physical World << 202 //always return the physical World
144 // 203 //
145 return fPhysiEcal; << 204 return physiEcal;
146 } 205 }
147 206
148 //....oooOO0OOooo........oooOO0OOooo........oo 207 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
149 208
150 void DetectorConstruction::SetMaterial(const G 209 void DetectorConstruction::SetMaterial(const G4String& materialChoice)
151 { 210 {
152 // search the material by its name 211 // search the material by its name
153 G4Material* pttoMaterial = G4NistManager::In << 212 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
154 << 213 if (pttoMaterial) myMaterial = pttoMaterial;
155 if (pttoMaterial && fMaterial != pttoMateria <<
156 fMaterial = pttoMaterial; <<
157 if (fLogicEcal) { <<
158 fLogicEcal->SetMaterial(fMaterial); <<
159 } <<
160 G4RunManager::GetRunManager()->PhysicsHasB <<
161 } <<
162 } 214 }
163 215
164 //....oooOO0OOooo........oooOO0OOooo........oo 216 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
165 217
166 void DetectorConstruction::SetLBining(G4ThreeV 218 void DetectorConstruction::SetLBining(G4ThreeVector Value)
167 { 219 {
168 fNLtot = (G4int)Value(0); << 220 nLtot = (G4int)Value(0);
169 if (fNLtot > kMaxBin) { << 221 dLradl = Value(1);
170 G4cout << "\n ---> warning from SetLBining <<
171 << G4endl; <<
172 fNLtot = kMaxBin; <<
173 } <<
174 fDLradl = Value(1); <<
175 UpdateParameters(); <<
176 } 222 }
177 223
178 //....oooOO0OOooo........oooOO0OOooo........oo 224 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
179 225
180 void DetectorConstruction::SetRBining(G4ThreeV 226 void DetectorConstruction::SetRBining(G4ThreeVector Value)
181 { 227 {
182 fNRtot = (G4int)Value(0); << 228 nRtot = (G4int)Value(0);
183 if (fNRtot > kMaxBin) { << 229 dRradl = Value(1);
184 G4cout << "\n ---> warning from SetRBining <<
185 << G4endl; <<
186 fNRtot = kMaxBin; <<
187 } <<
188 fDRradl = Value(1); <<
189 UpdateParameters(); <<
190 } 230 }
191 231
192 //....oooOO0OOooo........oooOO0OOooo........oo 232 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
193 233
194 void DetectorConstruction::ConstructSDandField << 234 #include "G4FieldManager.hh"
>> 235 #include "G4TransportationManager.hh"
>> 236
>> 237 void DetectorConstruction::SetMagField(G4double fieldValue)
195 { 238 {
196 if (fFieldMessenger.Get() == nullptr) { << 239 //apply a global uniform magnetic field along Z axis
197 // Create global magnetic field messenger. << 240 G4FieldManager* fieldMgr
198 // Uniform magnetic field is then created << 241 = G4TransportationManager::GetTransportationManager()->GetFieldManager();
199 // the field value is not zero. << 242
200 G4ThreeVector fieldValue = G4ThreeVector() << 243 if(magField) delete magField; //delete the existing magn field
201 G4GlobalMagFieldMessenger* msg = new G4Glo << 244
202 // msg->SetVerboseLevel(1); << 245 if(fieldValue!=0.) // create a new one if non nul
203 G4AutoDelete::Register(msg); << 246 { magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
204 fFieldMessenger.Put(msg); << 247 fieldMgr->SetDetectorField(magField);
>> 248 fieldMgr->CreateChordFinder(magField);
>> 249 } else {
>> 250 magField = 0;
>> 251 fieldMgr->SetDetectorField(magField);
205 } 252 }
>> 253 }
>> 254
>> 255 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 256
>> 257 #include "G4RunManager.hh"
>> 258
>> 259 void DetectorConstruction::UpdateGeometry()
>> 260 {
>> 261 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
206 } 262 }
207 263
208 //....oooOO0OOooo........oooOO0OOooo........oo 264 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
209 265