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26 /// \file electromagnetic/TestEm16/src/Detecto 26 /// \file electromagnetic/TestEm16/src/DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConst 27 /// \brief Implementation of the DetectorConstruction class
28 // 28 //
>> 29 // $Id$
29 // 30 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 33
33 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 35 #include "DetectorMessenger.hh"
36 36
>> 37 #include "G4Material.hh"
37 #include "G4Box.hh" 38 #include "G4Box.hh"
38 #include "G4GDMLParser.hh" <<
39 #include "G4GeometryManager.hh" <<
40 #include "G4LogicalVolume.hh" 39 #include "G4LogicalVolume.hh"
41 #include "G4LogicalVolumeStore.hh" <<
42 #include "G4Material.hh" <<
43 #include "G4PVPlacement.hh" 40 #include "G4PVPlacement.hh"
44 #include "G4PhysicalVolumeStore.hh" << 41 #include "G4UniformMagField.hh"
45 #include "G4PropagatorInField.hh" 42 #include "G4PropagatorInField.hh"
46 #include "G4RunManager.hh" << 43 #include "G4UserLimits.hh"
>> 44
>> 45 #include "G4GeometryManager.hh"
>> 46 #include "G4PhysicalVolumeStore.hh"
>> 47 #include "G4LogicalVolumeStore.hh"
47 #include "G4SolidStore.hh" 48 #include "G4SolidStore.hh"
48 #include "G4SystemOfUnits.hh" << 49
49 #include "G4TransportationManager.hh" <<
50 #include "G4UnitsTable.hh" 50 #include "G4UnitsTable.hh"
51 #include "G4UserLimits.hh" << 51 #include "G4SystemOfUnits.hh"
52 52
53 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54 54
55 DetectorConstruction::DetectorConstruction() : << 55 DetectorConstruction::DetectorConstruction()
>> 56 :fBox(0), fBoxSize(500*m), fMaterial(0), fMagField(0)
56 { 57 {
57 DefineMaterials(); 58 DefineMaterials();
58 SetMaterial("Iron"); 59 SetMaterial("Iron");
59 60
60 // create UserLimits 61 // create UserLimits
61 fUserLimits = new G4UserLimits(); 62 fUserLimits = new G4UserLimits();
62 63
63 // create commands for interactive definitio 64 // create commands for interactive definition of the detector
64 fDetectorMessenger = new DetectorMessenger(t 65 fDetectorMessenger = new DetectorMessenger(this);
65 } 66 }
66 67
67 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68 69
>> 70 DetectorConstruction::~DetectorConstruction()
>> 71 { delete fDetectorMessenger;}
>> 72
>> 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 74
69 G4VPhysicalVolume* DetectorConstruction::Const 75 G4VPhysicalVolume* DetectorConstruction::Construct()
70 { 76 {
71 return ConstructVolumes(); 77 return ConstructVolumes();
72 } 78 }
73 79
74 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75 81
76 void DetectorConstruction::DefineMaterials() 82 void DetectorConstruction::DefineMaterials()
77 { 83 {
78 G4double a, z, density; << 84 G4double a, z, density;
79 85
80 new G4Material("Beryllium", z = 4., a = 9.01 << 86 new G4Material("Beryllium", z= 4., a= 9.012182*g/mole, density= 1.848*g/cm3);
81 new G4Material("Carbon", z = 6., a = 12.011 << 87 new G4Material("Carbon", z= 6., a= 12.011*g/mole, density= 2.265*g/cm3);
82 new G4Material("Iron", z = 26., a = 55.85 * << 88 new G4Material("Iron", z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
83 << 89
84 // define a vacuum with a restgas pressure << 90 // define a vacuum with a restgas pressure typical for accelerators
85 G4double const Torr = atmosphere / 760.; // << 91 G4double const Torr = atmosphere/760.; // 1 Torr
86 G4double pressure = 10e-9 * Torr, << 92 G4double pressure = 10e-9*Torr, temperature = 296.150*kelvin; // 23 Celsius
87 temperature = 296.150 * kelvin; // << 93 new G4Material("Vacuum", z=7., a=14.01*g/mole, density= 1.516784e-11*kg/m3,
88 new G4Material("Vacuum", z = 7., a = 14.01 * <<
89 kStateGas, temperature, press 94 kStateGas, temperature, pressure);
90 G4cout << *(G4Material::GetMaterialTable()) << 95
>> 96 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
91 } 97 }
92 98
93 //....oooOO0OOooo........oooOO0OOooo........oo 99 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
94 100
95 G4VPhysicalVolume* DetectorConstruction::Const 101 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
96 { 102 {
97 G4GeometryManager::GetInstance()->OpenGeomet 103 G4GeometryManager::GetInstance()->OpenGeometry();
98 G4PhysicalVolumeStore::GetInstance()->Clean( 104 G4PhysicalVolumeStore::GetInstance()->Clean();
99 G4LogicalVolumeStore::GetInstance()->Clean() 105 G4LogicalVolumeStore::GetInstance()->Clean();
100 G4SolidStore::GetInstance()->Clean(); 106 G4SolidStore::GetInstance()->Clean();
101 107
102 if (fGeomFileName == G4String()) { << 108 G4Box*
103 auto sBox = new G4Box("Container", fBoxSiz << 109 sBox = new G4Box("Container", //its name
104 fLBox = new G4LogicalVolume(sBox, fMateria << 110 fBoxSize/2,fBoxSize/2,fBoxSize/2); //its dimensions
105 fLBox->SetUserLimits(fUserLimits); << 111
106 fBox = new G4PVPlacement(0, G4ThreeVector( << 112 G4LogicalVolume*
107 PrintParameters(); << 113 lBox = new G4LogicalVolume(sBox, //its shape
108 } << 114 fMaterial, //its material
109 else { << 115 fMaterial->GetName()); //its name
110 G4GDMLParser parser; << 116
111 std::size_t nmat = G4Material::GetNumberOf << 117 lBox->SetUserLimits(fUserLimits);
112 parser.Read(fGeomFileName.c_str()); // vo << 118
113 if (G4Material::GetNumberOfMaterials() > n << 119 fBox = new G4PVPlacement(0, //no rotation
114 const std::vector<G4Material*> MatPtrVec << 120 G4ThreeVector(), //at (0,0,0)
115 if (G4Material::GetNumberOfMaterials() > << 121 lBox, //its logical volume
116 G4cout << "Materials defined by " << f << 122 fMaterial->GetName(), //its name
117 for (std::size_t imat = nmat; imat < Mat << 123 0, //its mother volume
118 G4cout << MatPtrVec[imat] << G4endl; << 124 false, //no boolean operation
119 } << 125 0); //copy number
120 fBox = parser.GetWorldVolume(); << 126
121 } << 127 PrintParameters();
>> 128
>> 129 //
>> 130 //always return the root volume
>> 131 //
122 return fBox; 132 return fBox;
123 } 133 }
124 134
125 //....oooOO0OOooo........oooOO0OOooo........oo 135 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
126 136
127 void DetectorConstruction::PrintParameters() 137 void DetectorConstruction::PrintParameters()
128 { 138 {
129 G4cout << "\n The Box is " << G4BestUnit(fBo << 139 G4cout << "\n The Box is " << G4BestUnit(fBoxSize,"Length")
130 << G4endl; << 140 << " of " << fMaterial->GetName() << G4endl;
131 } 141 }
132 142
133 //....oooOO0OOooo........oooOO0OOooo........oo 143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
134 144
135 void DetectorConstruction::SetMaterial(G4Strin 145 void DetectorConstruction::SetMaterial(G4String materialChoice)
136 { 146 {
137 // search the material by its name 147 // search the material by its name
138 G4Material* pttoMaterial = G4Material::GetMa 148 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
139 if (pttoMaterial) { << 149 if (pttoMaterial) fMaterial = pttoMaterial;
140 fMaterial = pttoMaterial; <<
141 if (fLBox) fLBox->SetMaterial(fMaterial); <<
142 } <<
143 G4RunManager::GetRunManager()->PhysicsHasBee <<
144 } 150 }
145 151
146 //....oooOO0OOooo........oooOO0OOooo........oo 152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
147 153
148 void DetectorConstruction::SetSize(G4double va 154 void DetectorConstruction::SetSize(G4double value)
149 { 155 {
150 fBoxSize = value; 156 fBoxSize = value;
151 G4RunManager::GetRunManager()->ReinitializeG <<
152 } 157 }
153 158
154 //....oooOO0OOooo........oooOO0OOooo........oo 159 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
155 160
156 #include "G4AutoDelete.hh" << 161 #include "G4FieldManager.hh"
157 #include "G4GlobalMagFieldMessenger.hh" << 162 #include "G4TransportationManager.hh"
158 163
159 void DetectorConstruction::ConstructSDandField << 164 void DetectorConstruction::SetMagField(G4double fieldValue)
160 { 165 {
161 if (fFieldMessenger.Get() == 0) { << 166 //apply a global uniform magnetic field along Z axis
162 // Create global magnetic field messenger. << 167 G4FieldManager* fieldMgr
163 // Uniform magnetic field is then created << 168 = G4TransportationManager::GetTransportationManager()->GetFieldManager();
164 // the field value is not zero. << 169
165 G4ThreeVector fieldValue = G4ThreeVector() << 170 if (fMagField) delete fMagField; //delete the existing magn field
166 auto msg = new G4GlobalMagFieldMessenger(f << 171
167 // msg->SetVerboseLevel(1); << 172 if (fieldValue!=0.) // create a new one if non null
168 G4AutoDelete::Register(msg); << 173 {
169 fFieldMessenger.Put(msg); << 174 fMagField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
170 } << 175 fieldMgr->SetDetectorField(fMagField);
>> 176 fieldMgr->CreateChordFinder(fMagField);
>> 177 }
>> 178 else
>> 179 {
>> 180 fMagField = 0;
>> 181 fieldMgr->SetDetectorField(fMagField);
>> 182 }
171 } 183 }
172 184
173 //....oooOO0OOooo........oooOO0OOooo........oo 185 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
174 186
175 void DetectorConstruction::SetMaxStepSize(G4do 187 void DetectorConstruction::SetMaxStepSize(G4double val)
176 { 188 {
177 // set the maximum allowed step size 189 // set the maximum allowed step size
178 // 190 //
179 if (val <= DBL_MIN) { << 191 if (val <= DBL_MIN)
180 G4cout << "\n --->warning from SetMaxStepS << 192 { G4cout << "\n --->warning from SetMaxStepSize: maxStep "
181 << " out of range. Command refused" << 193 << val << " out of range. Command refused" << G4endl;
182 return; << 194 return;
183 } << 195 }
184 fUserLimits->SetMaxAllowedStep(val); 196 fUserLimits->SetMaxAllowedStep(val);
185 } 197 }
186 198
187 //....oooOO0OOooo........oooOO0OOooo........oo 199 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
188 200
189 void DetectorConstruction::SetMaxStepLength(G4 201 void DetectorConstruction::SetMaxStepLength(G4double val)
190 { 202 {
191 // set the maximum length of tracking step 203 // set the maximum length of tracking step
192 // 204 //
193 if (val <= DBL_MIN) { << 205 if (val <= DBL_MIN)
194 G4cout << "\n --->warning from SetMaxStepL << 206 { G4cout << "\n --->warning from SetMaxStepLength: maxStep "
195 << " out of range. Command refused" << 207 << val << " out of range. Command refused" << G4endl;
196 return; << 208 return;
197 } << 209 }
198 G4TransportationManager* tmanager = G4Transp << 210 G4TransportationManager* tmanager =
199 tmanager->GetPropagatorInField()->SetLargest << 211 G4TransportationManager::GetTransportationManager();
>> 212 tmanager->GetPropagatorInField()
>> 213 ->SetLargestAcceptableStep(val);
200 } 214 }
201 215
202 void DetectorConstruction::SetGeomFileName(G4S << 216 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 217
>> 218 #include "G4RunManager.hh"
>> 219
>> 220 void DetectorConstruction::UpdateGeometry()
203 { 221 {
204 fGeomFileName = GeomFileName; << 222 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
205 } 223 }
206 224
207 //....oooOO0OOooo........oooOO0OOooo........oo 225 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
208 226