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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 5.0)


  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
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 11 // * Neither the authors of this software syst    
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 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
 16 // * for the full disclaimer and the limitatio    
 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
 22 // * use  in  resulting  scientific  publicati    
 23 // * acceptance of all terms of the Geant4 Sof    
 24 // *******************************************    
 25 //                                                
 26 /// \file electromagnetic/TestEm1/src/Detector    
 27 /// \brief Implementation of the DetectorConst    
 28 //                                                
 29 //                                                
 30                                                   
 31 //....oooOO0OOooo........oooOO0OOooo........oo    
 32 //....oooOO0OOooo........oooOO0OOooo........oo    
 33                                                   
 34 #include "DetectorConstruction.hh"                
 35                                                   
 36 #include "DetectorMessenger.hh"                   
 37                                                   
 38 #include "G4AutoDelete.hh"                        
 39 #include "G4Box.hh"                               
 40 #include "G4GeometryManager.hh"                   
 41 #include "G4GlobalMagFieldMessenger.hh"           
 42 #include "G4LogicalVolume.hh"                     
 43 #include "G4LogicalVolumeStore.hh"                
 44 #include "G4Material.hh"                          
 45 #include "G4NistManager.hh"                       
 46 #include "G4PVPlacement.hh"                       
 47 #include "G4PhysicalConstants.hh"                 
 48 #include "G4PhysicalVolumeStore.hh"               
 49 #include "G4RunManager.hh"                        
 50 #include "G4SolidStore.hh"                        
 51 #include "G4SystemOfUnits.hh"                     
 52 #include "G4UnitsTable.hh"                        
 53                                                   
 54 //....oooOO0OOooo........oooOO0OOooo........oo    
 55                                                   
 56 DetectorConstruction::DetectorConstruction()      
 57 {                                                 
 58   fBoxSize = 10 * m;                              
 59   DefineMaterials();                              
 60   SetMaterial("G4_Al");                           
 61   fDetectorMessenger = new DetectorMessenger(t    
 62 }                                                 
 63                                                   
 64 //....oooOO0OOooo........oooOO0OOooo........oo    
 65                                                   
 66 DetectorConstruction::~DetectorConstruction()     
 67 {                                                 
 68   delete fDetectorMessenger;                      
 69 }                                                 
 70                                                   
 71 //....oooOO0OOooo........oooOO0OOooo........oo    
 72                                                   
 73 void DetectorConstruction::DefineMaterials()      
 74 {                                                 
 75   //                                              
 76   // define Elements                              
 77   //                                              
 78   G4double z, a;                                  
 79                                                   
 80   G4Element* H = new G4Element("Hydrogen", "H"    
 81   G4Element* C = new G4Element("Hydrogen", "C"    
 82   G4Element* N = new G4Element("Nitrogen", "N"    
 83   G4Element* O = new G4Element("Oxygen", "O",     
 84   G4Element* Ge = new G4Element("Germanium", "    
 85   G4Element* Bi = new G4Element("Bismuth", "Bi    
 86                                                   
 87   //                                              
 88   // define materials                             
 89   //                                              
 90   G4double density;                               
 91   G4int ncomponents, natoms;                      
 92   G4double fractionmass;                          
 93                                                   
 94   G4Material* Air = new G4Material("Air", dens    
 95   Air->AddElement(N, fractionmass = 70. * perC    
 96   Air->AddElement(O, fractionmass = 30. * perC    
 97                                                   
 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                                                   
122   new G4Material("Silicon", z = 14., a = 28.09    
123                                                   
124   new G4Material("Chromium", z = 24., a = 51.9    
125                                                   
126   new G4Material("Germanium", z = 32., a = 72.    
127                                                   
128   G4Material* BGO = new G4Material("BGO", dens    
129   BGO->AddElement(O, natoms = 12);                
130   BGO->AddElement(Ge, natoms = 3);                
131   BGO->AddElement(Bi, natoms = 4);                
132                                                   
133   new G4Material("Iron", z = 26., a = 55.85 *     
134                                                   
135   new G4Material("Tungsten", z = 74., a = 183.    
136                                                   
137   new G4Material("Gold", z = 79., a = 196.97 *    
138                                                   
139   new G4Material("Lead", z = 82., a = 207.19 *    
140                                                   
141   new G4Material("Uranium", z = 92., a = 238.0    
142                                                   
143   G4Material* argonGas =                          
144     new G4Material("ArgonGas", z = 18, a = 39.    
145                    273.15 * kelvin, 1 * atmosp    
146                                                   
147   G4Material* butane = new G4Material("Isobuta    
148                                       kStateGa    
149   butane->AddElement(C, natoms = 4);              
150   butane->AddElement(H, natoms = 10);             
151                                                   
152   G4Material* ArButane = new G4Material("Argon    
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 }                                                 
179                                                   
180 //....oooOO0OOooo........oooOO0OOooo........oo    
181                                                   
182 G4VPhysicalVolume* DetectorConstruction::Const    
183 {                                                 
184   if (fPBox) {                                    
185     return fPBox;                                 
186   }                                               
187   fBox = new G4Box("Container",  // its name      
188                    fBoxSize / 2, fBoxSize / 2,    
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                                                   
202   PrintParameters();                              
203                                                   
204   // always return the root volume                
205   //                                              
206   return fPBox;                                   
207 }                                                 
208                                                   
209 //....oooOO0OOooo........oooOO0OOooo........oo    
210                                                   
211 void DetectorConstruction::PrintParameters()      
212 {                                                 
213   G4cout << "\n The Box is " << G4BestUnit(fBo    
214          << G4endl;                               
215   G4cout << fMaterial << G4endl;                  
216 }                                                 
217                                                   
218 //....oooOO0OOooo........oooOO0OOooo........oo    
219                                                   
220 void DetectorConstruction::SetMaterial(const G    
221 {                                                 
222   // search the material by its name              
223   G4Material* pttoMaterial = G4NistManager::In    
224                                                   
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 }                                                 
237                                                   
238 //....oooOO0OOooo........oooOO0OOooo........oo    
239                                                   
240 void DetectorConstruction::SetSize(G4double va    
241 {                                                 
242   fBoxSize = value;                               
243   if (fBox) {                                     
244     fBox->SetXHalfLength(fBoxSize / 2);           
245     fBox->SetYHalfLength(fBoxSize / 2);           
246     fBox->SetZHalfLength(fBoxSize / 2);           
247   }                                               
248 }                                                 
249                                                   
250 //....oooOO0OOooo........oooOO0OOooo........oo    
251                                                   
252 void DetectorConstruction::ConstructSDandField    
253 {                                                 
254   if (fFieldMessenger.Get() == 0) {               
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 }                                                 
265                                                   
266 //....oooOO0OOooo........oooOO0OOooo........oo    
267