source: trunk/examples/extended/electromagnetic/TestEm17/src/DetectorConstruction.cc @ 1309

Last change on this file since 1309 was 1230, checked in by garnier, 14 years ago

update to geant4.9.3
File size: 6.6 KB
Line 
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27// $Id: DetectorConstruction.cc,v 1.3 2007/05/12 16:33:53 vnivanch Exp $
28// GEANT4 tag $Name: geant4-09-03-cand-01 $
29//
30//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32
33#include "DetectorConstruction.hh"
34#include "DetectorMessenger.hh"
35
36#include "G4Material.hh"
37#include "G4Box.hh"
38#include "G4LogicalVolume.hh"
39#include "G4PVPlacement.hh"
40
41#include "G4GeometryManager.hh"
42#include "G4PhysicalVolumeStore.hh"
43#include "G4LogicalVolumeStore.hh"
44#include "G4SolidStore.hh"
45
46#include "G4UnitsTable.hh"
47
48//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49
50DetectorConstruction::DetectorConstruction()
51:pBox(0), lBox(0), aMaterial(0)
52{
53  BoxSize = 1*m;
54  DefineMaterials();
55  SetMaterial("Iron"); 
56  detectorMessenger = new DetectorMessenger(this);
57}
58
59//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60
61DetectorConstruction::~DetectorConstruction()
62{ delete detectorMessenger;}
63
64//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
66G4VPhysicalVolume* DetectorConstruction::Construct()
67{
68  return ConstructVolumes();
69}
70
71//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72
73void DetectorConstruction::DefineMaterials()
74{
75  //
76  // define Elements
77  //
78  G4double z,a;
79 
80  G4Element* C  = new G4Element("Carbon"   ,"C" , z= 6., a=  12.01*g/mole);
81  G4Element* N  = new G4Element("Nitrogen" ,"N" , z= 7., a=  14.01*g/mole);
82  G4Element* O  = new G4Element("Oxygen"   ,"O" , z= 8., a=  16.00*g/mole);
83  G4Element* Ca = new G4Element("Calcium"  ,"Ca", z=20., a=  40.08*g/mole);
84  G4Element* H  = new G4Element("Hydrogen"   ,"H" , z= 1., a=  1.01*g/mole);
85  G4Element* I  = new G4Element("Iodine"   ,"I" , z= 53., a=  126.90*g/mole);
86 
87  //
88  // define materials
89  //
90  G4double density;
91  G4int ncomponents, natoms;
92  G4double fractionmass;
93   
94  new G4Material("galactic", z=1., a= 1.01*g/mole, universe_mean_density,
95                  kStateGas, 2.73*kelvin, 3.e-18*pascal);
96   
97  G4Material* Air = 
98  new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2);
99  Air->AddElement(N, fractionmass=70.*perCent);
100  Air->AddElement(O, fractionmass=30.*perCent);
101
102  G4Material* CaCO3 = 
103  new G4Material("CaCO3", density= 2.80*g/cm3, ncomponents=3);
104  CaCO3->AddElement(Ca, natoms= 1);
105  CaCO3->AddElement(C , natoms= 1);
106  CaCO3->AddElement(O , natoms= 3);
107   
108  new G4Material("Carbon", z= 6., a= 12.01*g/mole, density= 2.265*g/cm3);   
109  new G4Material("Iron"  , z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
110  new G4Material("Tin"   , z=50., a= 118.7*g/mole, density= 7.310*g/cm3);
111
112  G4Material* HI = 
113  new G4Material("HI", density= 2.8*g/cm3, ncomponents=2); //-35oC
114  HI->AddElement(H, natoms= 1);
115  HI->AddElement(I, natoms= 1);
116
117  G4cout << *(G4Material::GetMaterialTable()) << G4endl;
118}
119
120//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
121
122G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
123{
124  // Cleanup old geometry
125  G4GeometryManager::GetInstance()->OpenGeometry();
126  G4PhysicalVolumeStore::GetInstance()->Clean();
127  G4LogicalVolumeStore::GetInstance()->Clean();
128  G4SolidStore::GetInstance()->Clean();
129
130  G4Box*
131  sBox = new G4Box("Container",                         //its name
132                   BoxSize/2,BoxSize/2,BoxSize/2);      //its dimensions
133
134  lBox = new G4LogicalVolume(sBox,                      //its shape
135                             aMaterial,                 //its material
136                             aMaterial->GetName());     //its name
137
138  pBox = new G4PVPlacement(0,                           //no rotation
139                           G4ThreeVector(),             //at (0,0,0)
140                           lBox,                        //its logical volume                       
141                           aMaterial->GetName(),        //its name
142                           0,                           //its mother  volume
143                           false,                       //no boolean operation
144                           0);                          //copy number
145                           
146  PrintParameters();
147 
148  //always return the root volume
149  //
150  return pBox;
151}
152
153//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
154
155void DetectorConstruction::PrintParameters()
156{
157  G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length")
158         << " of " << aMaterial->GetName() << G4endl;
159}
160
161//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
162
163void DetectorConstruction::SetMaterial(G4String materialChoice)
164{
165  // search the material by its name
166  G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
167  if (pttoMaterial) aMaterial = pttoMaterial;
168}
169
170//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
171
172void DetectorConstruction::SetSize(G4double value)
173{
174  BoxSize = value;
175}
176
177//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
178
179#include "G4RunManager.hh"
180
181void DetectorConstruction::UpdateGeometry()
182{
183  G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
184}
185
186//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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