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26 /// \file exoticphysics/monopole/src/DetectorC << 26 // $Id: DetectorConstruction.cc,v 1.1 2007/08/16 10:32:04 vnivanch Exp $
27 /// \brief Implementation of the DetectorConst << 27 // GEANT4 tag $Name: geant4-09-02-patch-03 $
28 // <<
29 // 28 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 31
33 #include "DetectorConstruction.hh" 32 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 33 #include "DetectorMessenger.hh"
36 34
>> 35 #include "G4Material.hh"
37 #include "G4Box.hh" 36 #include "G4Box.hh"
38 #include "G4GeometryManager.hh" <<
39 #include "G4LogicalVolume.hh" 37 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh" <<
41 #include "G4Material.hh" <<
42 #include "G4MonopoleFieldSetup.hh" <<
43 #include "G4NistManager.hh" <<
44 #include "G4PVPlacement.hh" 38 #include "G4PVPlacement.hh"
>> 39 #include "G4UniformMagField.hh"
>> 40
>> 41 #include "G4GeometryManager.hh"
>> 42 #include "G4UserLimits.hh"
45 #include "G4PhysicalVolumeStore.hh" 43 #include "G4PhysicalVolumeStore.hh"
>> 44 #include "G4LogicalVolumeStore.hh"
46 #include "G4SolidStore.hh" 45 #include "G4SolidStore.hh"
47 #include "G4StateManager.hh" << 46
48 #include "G4UniformMagField.hh" <<
49 #include "G4UnitsTable.hh" 47 #include "G4UnitsTable.hh"
50 #include "G4UserLimits.hh" << 48 #include "G4NistManager.hh"
51 // #include "G4FieldManager.hh" <<
52 // #include "G4TransportationManager.hh" <<
53 #include "G4AutoDelete.hh" <<
54 #include "G4GlobalMagFieldMessenger.hh" <<
55 #include "G4RunManager.hh" <<
56 #include "G4SystemOfUnits.hh" <<
57 #include "G4ThreeVector.hh" <<
58 49
59 //....oooOO0OOooo........oooOO0OOooo........oo 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60 51
61 DetectorConstruction::DetectorConstruction() 52 DetectorConstruction::DetectorConstruction()
62 : G4VUserDetectorConstruction(), <<
63 fWorldMaterial(0), <<
64 fAbsorMaterial(0), <<
65 fLogAbsor(0), <<
66 fMonFieldSetup(), <<
67 fDetectorMessenger(0) <<
68 { 53 {
69 // default parameter values 54 // default parameter values
70 fAbsorSizeX = fAbsorSizeYZ = 10 * cm; << 55 absorSizeX = absorSizeYZ = 10 * cm;
71 fWorldSizeX = fWorldSizeYZ = 1.2 * fAbsorSiz << 56 worldSizeX = worldSizeYZ = 1.2 * absorSizeX;
72 fMaxStepSize = 5 * mm; << 57 maxStepSize = 5 * mm;
>> 58
>> 59 worldMaterial = absorMaterial = 0;
>> 60 magField = 0;
>> 61 lAbsor = 0;
73 62
>> 63 DefineMaterials();
74 SetMaterial("G4_Al"); 64 SetMaterial("G4_Al");
75 fWorldMaterial = G4NistManager::Instance()-> <<
76 65
77 // create commands for interactive definitio 66 // create commands for interactive definition of the detector
78 fDetectorMessenger = new DetectorMessenger(t << 67 detectorMessenger = new DetectorMessenger(this);
79 } 68 }
80 69
81 //....oooOO0OOooo........oooOO0OOooo........oo << 70
82 71
83 DetectorConstruction::~DetectorConstruction() 72 DetectorConstruction::~DetectorConstruction()
84 { << 73 {delete detectorMessenger;}
85 delete fDetectorMessenger; <<
86 // delete fMonFieldSetup; <<
87 } <<
88 74
89 //....oooOO0OOooo........oooOO0OOooo........oo <<
90 75
91 G4VPhysicalVolume* DetectorConstruction::Const 76 G4VPhysicalVolume* DetectorConstruction::Construct()
>> 77 { return ConstructVolumes();}
>> 78
>> 79
>> 80 void DetectorConstruction::DefineMaterials()
>> 81 {
>> 82 /*********************** define Elements *********************/
>> 83 G4double z, a;
>> 84
>> 85 G4Element* N = new G4Element("Nitrogen", "N", z= 7, a= 14.01*g/mole);
>> 86 G4Element* O = new G4Element("Oxygen" , "O", z= 8, a= 16.00*g/mole);
>> 87
>> 88 /*********************** define Materials **********************/
>> 89 G4double density, temperature, pressure;
>> 90 G4int ncomponents;
>> 91 G4double fractionmass;
>> 92
>> 93 G4Material* Air = new G4Material("Air" , density = 1.290 * mg/cm3, ncomponents=2);
>> 94 Air->AddElement(N, fractionmass = 0.7);
>> 95 Air->AddElement(O, fractionmass = 0.3);
>> 96
>> 97 density = universe_mean_density; //from PhysicalConstants.h
>> 98 pressure = 3.e-18 * pascal;
>> 99 temperature = 2.73 * kelvin;
>> 100
>> 101 G4Material* vacuum = new G4Material("Galactic", z = 1, a = 1.008 * g/mole, density,
>> 102 kStateGas, temperature, pressure);
>> 103
>> 104 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
>> 105
>> 106 //default materials
>> 107 worldMaterial = vacuum;
>> 108 }
>> 109
>> 110
>> 111 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 112 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
92 { 113 {
93 G4GeometryManager::GetInstance()->OpenGeomet 114 G4GeometryManager::GetInstance()->OpenGeometry();
94 G4PhysicalVolumeStore::GetInstance()->Clean( 115 G4PhysicalVolumeStore::GetInstance()->Clean();
95 G4LogicalVolumeStore::GetInstance()->Clean() 116 G4LogicalVolumeStore::GetInstance()->Clean();
96 G4SolidStore::GetInstance()->Clean(); 117 G4SolidStore::GetInstance()->Clean();
97 118
98 /**************************** World *** <<
99 G4Box* sWorld = new G4Box("world", fWorldSiz <<
100 119
101 G4LogicalVolume* lWorld = new G4LogicalVolum <<
102 120
103 G4VPhysicalVolume* pWorld = new G4PVPlacemen << 121 /**************************** World *****************************/
104 << 122 G4Box * sWorld = new G4Box("world", //name
105 << 123 worldSizeX / 2, worldSizeYZ / 2, worldSizeYZ / 2); //dimensions
106 <<
107 <<
108 <<
109 <<
110 124
111 /************************** Absorber * << 125 G4LogicalVolume * lWorld = new G4LogicalVolume(sWorld, //shape
112 G4Box* sAbsor = new G4Box("Absorber", fAbsor << 126 worldMaterial, //material
>> 127 "world"); //name
>> 128
>> 129 G4VPhysicalVolume * pWorld = new G4PVPlacement(0, //no rotation
>> 130 G4ThreeVector(), //at (0,0,0)
>> 131 lWorld, //logical volume
>> 132 "world", //name
>> 133 0, //mother volume
>> 134 false, //no boolean operation
>> 135 0); //copy number
113 136
114 fLogAbsor = new G4LogicalVolume(sAbsor, fAbs <<
115 137
116 new G4PVPlacement(0, // no rotation << 138 /************************** Absorber ***************************/
117 G4ThreeVector(), // at (0 << 139 G4Box * sAbsor = new G4Box("Absorber", //name
118 fLogAbsor, // logical vol << 140 absorSizeX / 2, absorSizeYZ / 2, absorSizeYZ / 2); //dimensions
119 "Absorber", // name << 141
120 lWorld, // mother volume << 142 lAbsor = new G4LogicalVolume(sAbsor, //shape
121 false, // no boolean oper << 143 absorMaterial, //material
122 0); // copy number << 144 "Absorber"); //name
123 fLogAbsor->SetUserLimits(new G4UserLimits(fM << 145
>> 146
>> 147 new G4PVPlacement(0, //no rotation
>> 148 G4ThreeVector(), //at (0,0,0)
>> 149 lAbsor, //logical volume
>> 150 "Absorber", //name
>> 151 lWorld, //mother volume
>> 152 false, //no boolean operation
>> 153 0); //copy number
>> 154 lAbsor->SetUserLimits(new G4UserLimits(maxStepSize));
124 155
125 PrintParameters(); 156 PrintParameters();
126 157
127 /************ always return the World vo 158 /************ always return the World volume *****************/
128 return pWorld; 159 return pWorld;
129 } 160 }
130 161
131 //....oooOO0OOooo........oooOO0OOooo........oo <<
132 162
>> 163
>> 164 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
133 void DetectorConstruction::PrintParameters() 165 void DetectorConstruction::PrintParameters()
134 { 166 {
135 G4cout << "\n------------------------------- 167 G4cout << "\n---------------------------------------------------------\n";
136 G4cout << "---> The Absorber is " << G4BestU << 168 G4cout << "---> The Absorber is " << G4BestUnit(absorSizeX, "Length")
137 << fAbsorMaterial->GetName() << G4end << 169 << " of " << absorMaterial->GetName() << G4endl;
138 G4cout << "\n------------------------------- 170 G4cout << "\n---------------------------------------------------------\n";
>> 171
139 } 172 }
140 173
141 //....oooOO0OOooo........oooOO0OOooo........oo <<
142 174
>> 175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
143 void DetectorConstruction::SetSizeX(G4double v 176 void DetectorConstruction::SetSizeX(G4double value)
144 { 177 {
145 if (value > 0.0) { << 178 absorSizeX = value; worldSizeX = 1.2 * absorSizeX;
146 fAbsorSizeX = value; <<
147 fWorldSizeX = 1.2 * fAbsorSizeX; <<
148 if (G4StateManager::GetStateManager()->Get <<
149 G4RunManager::GetRunManager()->Reinitial <<
150 } <<
151 } <<
152 } 179 }
>> 180
153 181
154 //....oooOO0OOooo........oooOO0OOooo........oo 182 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
155 <<
156 void DetectorConstruction::SetSizeYZ(G4double 183 void DetectorConstruction::SetSizeYZ(G4double value)
157 { 184 {
158 if (value > 0.0) { << 185 absorSizeYZ = value;
159 fAbsorSizeYZ = value; << 186 worldSizeYZ = 1.2 * absorSizeYZ;
160 fWorldSizeYZ = 1.2 * fAbsorSizeYZ; << 187 }
161 if (G4StateManager::GetStateManager()->Get << 188
162 G4RunManager::GetRunManager()->Reinitial << 189
163 } << 190 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
164 } << 191 void DetectorConstruction::SetMaterial(G4String materialChoice)
>> 192 {
>> 193 // search the material by its name
>> 194 G4Material * pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
>> 195 if (pttoMaterial) absorMaterial = pttoMaterial;
>> 196 else G4cout << "Material does not exist in DB" << G4endl;
165 } 197 }
166 198
>> 199
167 //....oooOO0OOooo........oooOO0OOooo........oo 200 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 201 #include "G4FieldManager.hh"
>> 202 #include "G4TransportationManager.hh"
168 203
169 void DetectorConstruction::SetMaterial(const G << 204 void DetectorConstruction::SetMagField(G4double fieldValue)
170 { 205 {
171 // search the material by its name << 206 //apply a global uniform magnetic field along Z axis
172 G4Material* mat = G4NistManager::Instance()- << 207 G4FieldManager * fieldMgr = G4TransportationManager::GetTransportationManager()->GetFieldManager();
173 if (!mat) { << 208
174 G4cout << "!!! DetectorConstruction::SetMa << 209 if (magField) delete magField; //delete the existing magn field
175 << "> does not exist in DB" << G4en << 210
176 return; << 211 if (fieldValue != 0.) // create a new one if non nul
177 } << 212 {
178 // new material is found out << 213 magField = new G4UniformMagField(G4ThreeVector(0., 0., fieldValue));
179 if (mat != fAbsorMaterial) { << 214 fieldMgr->SetDetectorField(magField);
180 fAbsorMaterial = mat; << 215 fieldMgr->CreateChordFinder(magField);
181 if (fLogAbsor) { << 216 }
182 fLogAbsor->SetMaterial(mat); << 217 else
>> 218 {
>> 219 magField = 0;
>> 220 fieldMgr->SetDetectorField(magField);
183 } 221 }
184 G4RunManager::GetRunManager()->PhysicsHasB <<
185 } <<
186 } 222 }
187 223
188 //....oooOO0OOooo........oooOO0OOooo........oo <<
189 224
190 void DetectorConstruction::ConstructSDandField << 225 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 226 void DetectorConstruction::SetMaxStepSize(G4double step_)
191 { 227 {
192 // Define magnetic field << 228 maxStepSize = step_;
193 if (!fMonFieldSetup.Get()) { << 229 if(lAbsor) lAbsor->SetUserLimits(new G4UserLimits(maxStepSize));
194 G4MonopoleFieldSetup* fieldSetup = new G4M <<
195 G4AutoDelete::Register(fieldSetup); // Ke <<
196 fMonFieldSetup.Put(fieldSetup); <<
197 } <<
198 fMonFieldSetup.Get()->ConstructMagField(); <<
199 } 230 }
200 231
>> 232
201 //....oooOO0OOooo........oooOO0OOooo........oo 233 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 234 #include "G4RunManager.hh"
202 235
203 void DetectorConstruction::SetMaxStepSize(G4do << 236 void DetectorConstruction::UpdateGeometry()
204 { 237 {
205 fMaxStepSize = step; << 238 G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
206 if (fLogAbsor) { <<
207 fLogAbsor->SetUserLimits(new G4UserLimits( <<
208 } <<
209 } 239 }
210 240
211 //....oooOO0OOooo........oooOO0OOooo........oo 241 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
212 242