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Geant4/examples/extended/electromagnetic/TestEm1/src/DetectorConstruction.cc

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Differences between /examples/extended/electromagnetic/TestEm1/src/DetectorConstruction.cc (Version 11.3.0) and /examples/extended/electromagnetic/TestEm1/src/DetectorConstruction.cc (Version 8.0)


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 25 //                                                 22 //
 26 /// \file electromagnetic/TestEm1/src/Detector <<  23 
 27 /// \brief Implementation of the DetectorConst << 
 28 //                                                 24 //
                                                   >>  25 // $Id: DetectorConstruction.cc,v 1.5 2005/06/01 10:20:12 maire Exp $
                                                   >>  26 // GEANT4 tag $Name: geant4-08-00 $
 29 //                                                 27 //
                                                   >>  28 // 
 30                                                    29 
 31 //....oooOO0OOooo........oooOO0OOooo........oo     30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 32 //....oooOO0OOooo........oooOO0OOooo........oo     31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 33                                                    32 
 34 #include "DetectorConstruction.hh"                 33 #include "DetectorConstruction.hh"
 35                                                << 
 36 #include "DetectorMessenger.hh"                    34 #include "DetectorMessenger.hh"
 37                                                    35 
 38 #include "G4AutoDelete.hh"                     <<  36 #include "G4Material.hh"
 39 #include "G4Box.hh"                                37 #include "G4Box.hh"
 40 #include "G4GeometryManager.hh"                << 
 41 #include "G4GlobalMagFieldMessenger.hh"        << 
 42 #include "G4LogicalVolume.hh"                      38 #include "G4LogicalVolume.hh"
 43 #include "G4LogicalVolumeStore.hh"             << 
 44 #include "G4Material.hh"                       << 
 45 #include "G4NistManager.hh"                    << 
 46 #include "G4PVPlacement.hh"                        39 #include "G4PVPlacement.hh"
 47 #include "G4PhysicalConstants.hh"              <<  40 #include "G4UniformMagField.hh"
                                                   >>  41 
                                                   >>  42 #include "G4GeometryManager.hh"
 48 #include "G4PhysicalVolumeStore.hh"                43 #include "G4PhysicalVolumeStore.hh"
 49 #include "G4RunManager.hh"                     <<  44 #include "G4LogicalVolumeStore.hh"
 50 #include "G4SolidStore.hh"                         45 #include "G4SolidStore.hh"
 51 #include "G4SystemOfUnits.hh"                  <<  46 
 52 #include "G4UnitsTable.hh"                         47 #include "G4UnitsTable.hh"
 53                                                    48 
 54 //....oooOO0OOooo........oooOO0OOooo........oo     49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 55                                                    50 
 56 DetectorConstruction::DetectorConstruction()       51 DetectorConstruction::DetectorConstruction()
                                                   >>  52 :pBox(0), lBox(0), aMaterial(0), magField(0)
 57 {                                                  53 {
 58   fBoxSize = 10 * m;                           <<  54   BoxSize = 10*m;
 59   DefineMaterials();                               55   DefineMaterials();
 60   SetMaterial("G4_Al");                        <<  56   SetMaterial("Aluminium");  
 61   fDetectorMessenger = new DetectorMessenger(t <<  57   detectorMessenger = new DetectorMessenger(this);
 62 }                                                  58 }
 63                                                    59 
 64 //....oooOO0OOooo........oooOO0OOooo........oo     60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 65                                                    61 
 66 DetectorConstruction::~DetectorConstruction()      62 DetectorConstruction::~DetectorConstruction()
                                                   >>  63 { delete detectorMessenger;}
                                                   >>  64 
                                                   >>  65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
                                                   >>  66 
                                                   >>  67 G4VPhysicalVolume* DetectorConstruction::Construct()
 67 {                                                  68 {
 68   delete fDetectorMessenger;                   <<  69   return ConstructVolumes();
 69 }                                                  70 }
 70                                                    71 
 71 //....oooOO0OOooo........oooOO0OOooo........oo     72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 72                                                    73 
 73 void DetectorConstruction::DefineMaterials()       74 void DetectorConstruction::DefineMaterials()
 74 {                                                  75 {
 75   //                                               76   //
 76   // define Elements                               77   // define Elements
 77   //                                               78   //
 78   G4double z, a;                               <<  79   G4double z,a;
 79                                                <<  80   
 80   G4Element* H = new G4Element("Hydrogen", "H" <<  81   G4Element* H  = new G4Element("Hydrogen" ,"H" , z= 1., a=   1.01*g/mole);
 81   G4Element* C = new G4Element("Hydrogen", "C" <<  82   G4Element* N  = new G4Element("Nitrogen" ,"N" , z= 7., a=  14.01*g/mole);
 82   G4Element* N = new G4Element("Nitrogen", "N" <<  83   G4Element* O  = new G4Element("Oxygen"   ,"O" , z= 8., a=  16.00*g/mole);
 83   G4Element* O = new G4Element("Oxygen", "O",  <<  84   G4Element* Ge = new G4Element("Germanium","Ge", z=32., a=  72.59*g/mole);
 84   G4Element* Ge = new G4Element("Germanium", " <<  85   G4Element* Bi = new G4Element("Bismuth"  ,"Bi", z=83., a= 208.98*g/mole);
 85   G4Element* Bi = new G4Element("Bismuth", "Bi <<  86   
 86                                                << 
 87   //                                               87   //
 88   // define materials                              88   // define materials
 89   //                                               89   //
 90   G4double density;                                90   G4double density;
 91   G4int ncomponents, natoms;                       91   G4int ncomponents, natoms;
 92   G4double fractionmass;                       <<  92   G4double fractionmass;  
 93                                                <<  93   
 94   G4Material* Air = new G4Material("Air", dens <<  94   G4Material* Air = 
 95   Air->AddElement(N, fractionmass = 70. * perC <<  95   new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2);
 96   Air->AddElement(O, fractionmass = 30. * perC <<  96   Air->AddElement(N, fractionmass=70.*perCent);
 97                                                <<  97   Air->AddElement(O, fractionmass=30.*perCent);
 98   G4Material* H2l = new G4Material("H2liquid", << 
 99   H2l->AddElement(H, fractionmass = 1.);       << 
100                                                << 
101   G4Material* H2O = new G4Material("Water", de << 
102   H2O->AddElement(H, natoms = 2);              << 
103   H2O->AddElement(O, natoms = 1);              << 
104   /// H2O->SetChemicalFormula("H_2O");         << 
105   H2O->GetIonisation()->SetMeanExcitationEnerg << 
106                                                << 
107   density = 0.001 * mg / cm3;                  << 
108   G4Material* CO2 = new G4Material("CO2", dens << 
109   CO2->AddElement(C, natoms = 1);              << 
110   CO2->AddElement(O, natoms = 2);              << 
111                                                << 
112   G4Isotope* d = new G4Isotope("d", 1, 2, 0.0, << 
113   G4Element* D = new G4Element("Heavy-Hydrogen << 
114   D->AddIsotope(d, 1.0);                       << 
115   G4Material* D2 = new G4Material("D2_gas", de << 
116   D2->AddElement(D, natoms = 2);               << 
117                                                << 
118   new G4Material("liquidArgon", z = 18., a = 3 << 
119                                                << 
120   new G4Material("Aluminium", z = 13., a = 26. << 
121                                                    98 
122   new G4Material("Silicon", z = 14., a = 28.09 <<  99   G4Material* H2l = 
                                                   >> 100   new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1);
                                                   >> 101   H2l->AddElement(H, fractionmass=1.);
123                                                   102 
124   new G4Material("Chromium", z = 24., a = 51.9 << 103   G4Material* H2O = 
                                                   >> 104   new G4Material("Water", density= 1.000*g/cm3, ncomponents=2);
                                                   >> 105   H2O->AddElement(H, natoms=2);
                                                   >> 106   H2O->AddElement(O, natoms=1);
                                                   >> 107   ///H2O->SetChemicalFormula("H_2O");
                                                   >> 108   H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV);
125                                                   109 
126   new G4Material("Germanium", z = 32., a = 72. << 110   new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);
127                                                   111 
128   G4Material* BGO = new G4Material("BGO", dens << 112   new G4Material("Aluminium"  , z=13., a= 26.98*g/mole, density= 2.700*g/cm3);
129   BGO->AddElement(O, natoms = 12);             << 
130   BGO->AddElement(Ge, natoms = 3);             << 
131   BGO->AddElement(Bi, natoms = 4);             << 
132                                                   113 
133   new G4Material("Iron", z = 26., a = 55.85 *  << 114   new G4Material("Silicon"    , z=14., a= 28.09*g/mole, density= 2.330*g/cm3);
134                                                   115 
135   new G4Material("Tungsten", z = 74., a = 183. << 116   new G4Material("Germanium"  , z=32., a= 72.61*g/mole, density= 5.323*g/cm3);
                                                   >> 117   
                                                   >> 118   G4Material* BGO = 
                                                   >> 119   new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3);
                                                   >> 120   BGO->AddElement(O , natoms=12);
                                                   >> 121   BGO->AddElement(Ge, natoms= 3);
                                                   >> 122   BGO->AddElement(Bi, natoms= 4);  
136                                                   123 
137   new G4Material("Gold", z = 79., a = 196.97 * << 124   new G4Material("Iron"       , z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
138                                                   125 
139   new G4Material("Lead", z = 82., a = 207.19 * << 126   new G4Material("Tungsten"   , z=74., a=183.85*g/mole, density= 19.30*g/cm3);
140                                                   127 
141   new G4Material("Uranium", z = 92., a = 238.0 << 128   new G4Material("Lead"       , z=82., a=207.19*g/mole, density= 11.35*g/cm3);
142                                                   129 
143   G4Material* argonGas =                       << 130   new G4Material("Uranium"    , z=92., a=238.03*g/mole, density= 18.95*g/cm3);
144     new G4Material("ArgonGas", z = 18, a = 39. << 
145                    273.15 * kelvin, 1 * atmosp << 
146                                                   131 
147   G4Material* butane = new G4Material("Isobuta << 
148                                       kStateGa << 
149   butane->AddElement(C, natoms = 4);           << 
150   butane->AddElement(H, natoms = 10);          << 
151                                                   132 
152   G4Material* ArButane = new G4Material("Argon << 133   G4cout << *(G4Material::GetMaterialTable()) << G4endl;
153                                         kState << 
154   ArButane->AddMaterial(argonGas, fractionmass << 
155   ArButane->AddMaterial(butane, fractionmass = << 
156                                                << 
157   // example of vacuum                         << 
158   //                                           << 
159   density = universe_mean_density;  // from Ph << 
160   new G4Material("Galactic", z = 1., a = 1.008 << 
161                  3.e-18 * pascal);             << 
162                                                << 
163   // use Nist                                  << 
164   //                                           << 
165   G4NistManager* man = G4NistManager::Instance << 
166                                                << 
167   G4bool isotopes = false;                     << 
168   /// G4Element*  O = man->FindOrBuildElement( << 
169   G4Element* Si = man->FindOrBuildElement("Si" << 
170   G4Element* Lu = man->FindOrBuildElement("Lu" << 
171                                                << 
172   G4Material* LSO = new G4Material("Lu2SiO5",  << 
173   LSO->AddElement(Lu, 2);                      << 
174   LSO->AddElement(Si, 1);                      << 
175   LSO->AddElement(O, 5);                       << 
176                                                << 
177   /// G4cout << *(G4Material::GetMaterialTable << 
178 }                                                 134 }
179                                                   135 
180 //....oooOO0OOooo........oooOO0OOooo........oo    136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
181                                                   137 
182 G4VPhysicalVolume* DetectorConstruction::Const << 138 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
183 {                                                 139 {
184   if (fPBox) {                                 << 140   // Cleanup old geometry
185     return fPBox;                              << 141   G4GeometryManager::GetInstance()->OpenGeometry();
186   }                                            << 142   G4PhysicalVolumeStore::GetInstance()->Clean();
187   fBox = new G4Box("Container",  // its name   << 143   G4LogicalVolumeStore::GetInstance()->Clean();
188                    fBoxSize / 2, fBoxSize / 2, << 144   G4SolidStore::GetInstance()->Clean();
189                                                << 
190   fLBox = new G4LogicalVolume(fBox,  // its sh << 
191                               fMaterial,  // i << 
192                               fMaterial->GetNa << 
193                                                << 
194   fPBox = new G4PVPlacement(0,  // no rotation << 
195                             G4ThreeVector(),   << 
196                             fLBox,  // its log << 
197                             fMaterial->GetName << 
198                             0,  // its mother  << 
199                             false,  // no bool << 
200                             0);  // copy numbe << 
201                                                   145 
202   PrintParameters();                           << 146   G4Box*
                                                   >> 147   sBox = new G4Box("Container",       //its name
                                                   >> 148                    BoxSize/2,BoxSize/2,BoxSize/2);  //its dimensions
                                                   >> 149 
                                                   >> 150   lBox = new G4LogicalVolume(sBox,      //its shape
                                                   >> 151                              aMaterial,     //its material
                                                   >> 152                              aMaterial->GetName()); //its name
203                                                   153 
204   // always return the root volume             << 154   pBox = new G4PVPlacement(0,       //no rotation
                                                   >> 155            G4ThreeVector(),   //at (0,0,0)
                                                   >> 156                            lBox,      //its logical volume         
                                                   >> 157                            aMaterial->GetName(),  //its name
                                                   >> 158                            0,       //its mother  volume
                                                   >> 159                            false,     //no boolean operation
                                                   >> 160                            0);        //copy number
                                                   >> 161          
                                                   >> 162   PrintParameters();
                                                   >> 163   
                                                   >> 164   //always return the root volume
205   //                                              165   //
206   return fPBox;                                << 166   return pBox;
207 }                                                 167 }
208                                                   168 
209 //....oooOO0OOooo........oooOO0OOooo........oo    169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
210                                                   170 
211 void DetectorConstruction::PrintParameters()      171 void DetectorConstruction::PrintParameters()
212 {                                                 172 {
213   G4cout << "\n The Box is " << G4BestUnit(fBo << 173   G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length")
214          << G4endl;                            << 174          << " of " << aMaterial->GetName() << G4endl;
215   G4cout << fMaterial << G4endl;               << 
216 }                                                 175 }
217                                                   176 
218 //....oooOO0OOooo........oooOO0OOooo........oo    177 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
219                                                   178 
220 void DetectorConstruction::SetMaterial(const G << 179 void DetectorConstruction::SetMaterial(G4String materialChoice)
221 {                                                 180 {
222   // search the material by its name              181   // search the material by its name
223   G4Material* pttoMaterial = G4NistManager::In << 182   G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
224                                                << 183   if (pttoMaterial) aMaterial = pttoMaterial;
225   if (pttoMaterial) {                          << 
226     fMaterial = pttoMaterial;                  << 
227     if (fLBox) {                               << 
228       fLBox->SetMaterial(fMaterial);           << 
229     }                                          << 
230   }                                            << 
231   else {                                       << 
232     G4cout << "\n--> warning from DetectorCons << 
233            << " not found" << G4endl;          << 
234   }                                            << 
235   G4RunManager::GetRunManager()->PhysicsHasBee << 
236 }                                                 184 }
237                                                   185 
238 //....oooOO0OOooo........oooOO0OOooo........oo    186 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
239                                                   187 
240 void DetectorConstruction::SetSize(G4double va    188 void DetectorConstruction::SetSize(G4double value)
241 {                                                 189 {
242   fBoxSize = value;                            << 190   BoxSize = value;
243   if (fBox) {                                  << 
244     fBox->SetXHalfLength(fBoxSize / 2);        << 
245     fBox->SetYHalfLength(fBoxSize / 2);        << 
246     fBox->SetZHalfLength(fBoxSize / 2);        << 
247   }                                            << 
248 }                                                 191 }
249                                                   192 
250 //....oooOO0OOooo........oooOO0OOooo........oo    193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
251                                                   194 
252 void DetectorConstruction::ConstructSDandField << 195 #include "G4FieldManager.hh"
                                                   >> 196 #include "G4TransportationManager.hh"
                                                   >> 197 
                                                   >> 198 void DetectorConstruction::SetMagField(G4double fieldValue)
                                                   >> 199 {
                                                   >> 200   //apply a global uniform magnetic field along Z axis
                                                   >> 201   G4FieldManager* fieldMgr
                                                   >> 202    = G4TransportationManager::GetTransportationManager()->GetFieldManager();
                                                   >> 203 
                                                   >> 204   if (magField) delete magField;  //delete the existing magn field
                                                   >> 205 
                                                   >> 206   if (fieldValue!=0.)     // create a new one if non nul
                                                   >> 207     {
                                                   >> 208       magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
                                                   >> 209       fieldMgr->SetDetectorField(magField);
                                                   >> 210       fieldMgr->CreateChordFinder(magField);
                                                   >> 211     }
                                                   >> 212    else
                                                   >> 213     {
                                                   >> 214       magField = 0;
                                                   >> 215       fieldMgr->SetDetectorField(magField);
                                                   >> 216     }
                                                   >> 217 }
                                                   >> 218 
                                                   >> 219 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
                                                   >> 220 
                                                   >> 221 #include "G4RunManager.hh"
                                                   >> 222 
                                                   >> 223 void DetectorConstruction::UpdateGeometry()
253 {                                                 224 {
254   if (fFieldMessenger.Get() == 0) {            << 225   G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
255     // Create global magnetic field messenger. << 
256     // Uniform magnetic field is then created  << 
257     // the field value is not zero.            << 
258     G4ThreeVector fieldValue = G4ThreeVector() << 
259     G4GlobalMagFieldMessenger* msg = new G4Glo << 
260     // msg->SetVerboseLevel(1);                << 
261     G4AutoDelete::Register(msg);               << 
262     fFieldMessenger.Put(msg);                  << 
263   }                                            << 
264 }                                                 226 }
265                                                   227 
266 //....oooOO0OOooo........oooOO0OOooo........oo    228 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
267                                                   229