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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: DetectorConstruction.cc 67268 2013-02-13 11:38:40Z ihrivnac $
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 :G4VUserDetectorConstruction(),
>> 57 fBox(0), fBoxSize(500*m), fMaterial(0), fMagField(0),
>> 58 fUserLimits(0), fDetectorMessenger(0)
56 { 59 {
57 DefineMaterials(); 60 DefineMaterials();
58 SetMaterial("Iron"); 61 SetMaterial("Iron");
59 62
60 // create UserLimits 63 // create UserLimits
61 fUserLimits = new G4UserLimits(); 64 fUserLimits = new G4UserLimits();
62 65
63 // create commands for interactive definitio 66 // create commands for interactive definition of the detector
64 fDetectorMessenger = new DetectorMessenger(t 67 fDetectorMessenger = new DetectorMessenger(this);
65 } 68 }
66 69
67 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68 71
>> 72 DetectorConstruction::~DetectorConstruction()
>> 73 { delete fDetectorMessenger;}
>> 74
>> 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 76
69 G4VPhysicalVolume* DetectorConstruction::Const 77 G4VPhysicalVolume* DetectorConstruction::Construct()
70 { 78 {
71 return ConstructVolumes(); 79 return ConstructVolumes();
72 } 80 }
73 81
74 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75 83
76 void DetectorConstruction::DefineMaterials() 84 void DetectorConstruction::DefineMaterials()
77 { 85 {
78 G4double a, z, density; << 86 G4double a, z, density;
79 87
80 new G4Material("Beryllium", z = 4., a = 9.01 << 88 new G4Material("Beryllium", z= 4., a= 9.012182*g/mole, density= 1.848*g/cm3);
81 new G4Material("Carbon", z = 6., a = 12.011 << 89 new G4Material("Carbon", z= 6., a= 12.011*g/mole, density= 2.265*g/cm3);
82 new G4Material("Iron", z = 26., a = 55.85 * << 90 new G4Material("Iron", z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
83 << 91
84 // define a vacuum with a restgas pressure << 92 // define a vacuum with a restgas pressure typical for accelerators
85 G4double const Torr = atmosphere / 760.; // << 93 G4double const Torr = atmosphere/760.; // 1 Torr
86 G4double pressure = 10e-9 * Torr, << 94 G4double pressure = 10e-9*Torr, temperature = 296.150*kelvin; // 23 Celsius
87 temperature = 296.150 * kelvin; // << 95 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 96 kStateGas, temperature, pressure);
90 G4cout << *(G4Material::GetMaterialTable()) << 97
>> 98 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
91 } 99 }
92 100
93 //....oooOO0OOooo........oooOO0OOooo........oo 101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
94 102
95 G4VPhysicalVolume* DetectorConstruction::Const 103 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
96 { 104 {
97 G4GeometryManager::GetInstance()->OpenGeomet 105 G4GeometryManager::GetInstance()->OpenGeometry();
98 G4PhysicalVolumeStore::GetInstance()->Clean( 106 G4PhysicalVolumeStore::GetInstance()->Clean();
99 G4LogicalVolumeStore::GetInstance()->Clean() 107 G4LogicalVolumeStore::GetInstance()->Clean();
100 G4SolidStore::GetInstance()->Clean(); 108 G4SolidStore::GetInstance()->Clean();
101 109
102 if (fGeomFileName == G4String()) { << 110 G4Box*
103 auto sBox = new G4Box("Container", fBoxSiz << 111 sBox = new G4Box("Container", //its name
104 fLBox = new G4LogicalVolume(sBox, fMateria << 112 fBoxSize/2,fBoxSize/2,fBoxSize/2); //its dimensions
105 fLBox->SetUserLimits(fUserLimits); << 113
106 fBox = new G4PVPlacement(0, G4ThreeVector( << 114 G4LogicalVolume*
107 PrintParameters(); << 115 lBox = new G4LogicalVolume(sBox, //its shape
108 } << 116 fMaterial, //its material
109 else { << 117 fMaterial->GetName()); //its name
110 G4GDMLParser parser; << 118
111 std::size_t nmat = G4Material::GetNumberOf << 119 lBox->SetUserLimits(fUserLimits);
112 parser.Read(fGeomFileName.c_str()); // vo << 120
113 if (G4Material::GetNumberOfMaterials() > n << 121 fBox = new G4PVPlacement(0, //no rotation
114 const std::vector<G4Material*> MatPtrVec << 122 G4ThreeVector(), //at (0,0,0)
115 if (G4Material::GetNumberOfMaterials() > << 123 lBox, //its logical volume
116 G4cout << "Materials defined by " << f << 124 fMaterial->GetName(), //its name
117 for (std::size_t imat = nmat; imat < Mat << 125 0, //its mother volume
118 G4cout << MatPtrVec[imat] << G4endl; << 126 false, //no boolean operation
119 } << 127 0); //copy number
120 fBox = parser.GetWorldVolume(); << 128
121 } << 129 PrintParameters();
>> 130
>> 131 //
>> 132 //always return the root volume
>> 133 //
122 return fBox; 134 return fBox;
123 } 135 }
124 136
125 //....oooOO0OOooo........oooOO0OOooo........oo 137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
126 138
127 void DetectorConstruction::PrintParameters() 139 void DetectorConstruction::PrintParameters()
128 { 140 {
129 G4cout << "\n The Box is " << G4BestUnit(fBo << 141 G4cout << "\n The Box is " << G4BestUnit(fBoxSize,"Length")
130 << G4endl; << 142 << " of " << fMaterial->GetName() << G4endl;
131 } 143 }
132 144
133 //....oooOO0OOooo........oooOO0OOooo........oo 145 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
134 146
135 void DetectorConstruction::SetMaterial(G4Strin 147 void DetectorConstruction::SetMaterial(G4String materialChoice)
136 { 148 {
137 // search the material by its name 149 // search the material by its name
138 G4Material* pttoMaterial = G4Material::GetMa 150 G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
139 if (pttoMaterial) { << 151 if (pttoMaterial) fMaterial = pttoMaterial;
140 fMaterial = pttoMaterial; <<
141 if (fLBox) fLBox->SetMaterial(fMaterial); <<
142 } <<
143 G4RunManager::GetRunManager()->PhysicsHasBee <<
144 } 152 }
145 153
146 //....oooOO0OOooo........oooOO0OOooo........oo 154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
147 155
148 void DetectorConstruction::SetSize(G4double va 156 void DetectorConstruction::SetSize(G4double value)
149 { 157 {
150 fBoxSize = value; 158 fBoxSize = value;
151 G4RunManager::GetRunManager()->ReinitializeG <<
152 } 159 }
153 160
154 //....oooOO0OOooo........oooOO0OOooo........oo 161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
155 162
156 #include "G4AutoDelete.hh" << 163 #include "G4FieldManager.hh"
157 #include "G4GlobalMagFieldMessenger.hh" << 164 #include "G4TransportationManager.hh"
158 165
159 void DetectorConstruction::ConstructSDandField << 166 void DetectorConstruction::SetMagField(G4double fieldValue)
160 { 167 {
161 if (fFieldMessenger.Get() == 0) { << 168 //apply a global uniform magnetic field along Z axis
162 // Create global magnetic field messenger. << 169 G4FieldManager* fieldMgr
163 // Uniform magnetic field is then created << 170 = G4TransportationManager::GetTransportationManager()->GetFieldManager();
164 // the field value is not zero. << 171
165 G4ThreeVector fieldValue = G4ThreeVector() << 172 if (fMagField) delete fMagField; //delete the existing magn field
166 auto msg = new G4GlobalMagFieldMessenger(f << 173
167 // msg->SetVerboseLevel(1); << 174 if (fieldValue!=0.) // create a new one if non null
168 G4AutoDelete::Register(msg); << 175 {
169 fFieldMessenger.Put(msg); << 176 fMagField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
170 } << 177 fieldMgr->SetDetectorField(fMagField);
>> 178 fieldMgr->CreateChordFinder(fMagField);
>> 179 }
>> 180 else
>> 181 {
>> 182 fMagField = 0;
>> 183 fieldMgr->SetDetectorField(fMagField);
>> 184 }
171 } 185 }
172 186
173 //....oooOO0OOooo........oooOO0OOooo........oo 187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
174 188
175 void DetectorConstruction::SetMaxStepSize(G4do 189 void DetectorConstruction::SetMaxStepSize(G4double val)
176 { 190 {
177 // set the maximum allowed step size 191 // set the maximum allowed step size
178 // 192 //
179 if (val <= DBL_MIN) { << 193 if (val <= DBL_MIN)
180 G4cout << "\n --->warning from SetMaxStepS << 194 { G4cout << "\n --->warning from SetMaxStepSize: maxStep "
181 << " out of range. Command refused" << 195 << val << " out of range. Command refused" << G4endl;
182 return; << 196 return;
183 } << 197 }
184 fUserLimits->SetMaxAllowedStep(val); 198 fUserLimits->SetMaxAllowedStep(val);
185 } 199 }
186 200
187 //....oooOO0OOooo........oooOO0OOooo........oo 201 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
188 202
189 void DetectorConstruction::SetMaxStepLength(G4 203 void DetectorConstruction::SetMaxStepLength(G4double val)
190 { 204 {
191 // set the maximum length of tracking step 205 // set the maximum length of tracking step
192 // 206 //
193 if (val <= DBL_MIN) { << 207 if (val <= DBL_MIN)
194 G4cout << "\n --->warning from SetMaxStepL << 208 { G4cout << "\n --->warning from SetMaxStepLength: maxStep "
195 << " out of range. Command refused" << 209 << val << " out of range. Command refused" << G4endl;
196 return; << 210 return;
197 } << 211 }
198 G4TransportationManager* tmanager = G4Transp << 212 G4TransportationManager* tmanager =
199 tmanager->GetPropagatorInField()->SetLargest << 213 G4TransportationManager::GetTransportationManager();
>> 214 tmanager->GetPropagatorInField()
>> 215 ->SetLargestAcceptableStep(val);
200 } 216 }
201 217
202 void DetectorConstruction::SetGeomFileName(G4S << 218 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 219
>> 220 #include "G4RunManager.hh"
>> 221
>> 222 void DetectorConstruction::UpdateGeometry()
203 { 223 {
204 fGeomFileName = GeomFileName; << 224 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
205 } 225 }
206 226
207 //....oooOO0OOooo........oooOO0OOooo........oo 227 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
208 228