| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
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 // This example is provided by the Geant4-DNA
27 // Any report or published results obtained us
28 // shall cite the following Geant4-DNA collabo
29 // Med. Phys. 45 (2018) e722-e739
30 // Phys. Med. 31 (2015) 861-874
31 // Med. Phys. 37 (2010) 4692-4708
32 // Int. J. Model. Simul. Sci. Comput. 1 (2010)
33 //
34 // The Geant4-DNA web site is available at htt
35 //
36 /// \file DetectorConstruction.cc
37 /// \brief Implementation of the DetectorConst
38
39 #include "DetectorConstruction.hh"
40 #include "DetectorMessenger.hh"
41 #include "PhysicsList.hh"
42
43 #include "G4LogicalVolumeStore.hh"
44 #include "G4NistManager.hh"
45 #include "G4RunManager.hh"
46 #include "G4SystemOfUnits.hh"
47 #include "G4UserLimits.hh"
48
49 //....oooOO0OOooo........oooOO0OOooo........oo
50
51 DetectorConstruction::DetectorConstruction(Phy
52 : G4VUserDetectorConstruction(),
53 fpWaterMaterial(nullptr),
54 fLogicWorld(nullptr),
55 fPhysiWorld(nullptr)
56 {
57 // Create commands for interactive definitio
58 fDetectorMessenger = new DetectorMessenger(t
59
60 // Default values
61 //
62 // World size
63 fWorldSize = 100 *um;
64 // and material
65 G4NistManager* man = G4NistManager::Instance
66 G4Material* H2O = man->FindOrBuildMaterial("
67 fpWaterMaterial = H2O;
68 }
69
70 //....oooOO0OOooo........oooOO0OOooo........oo
71
72 DetectorConstruction::~DetectorConstruction()
73 {
74 delete fDetectorMessenger;
75 }
76
77 //....oooOO0OOooo........oooOO0OOooo........oo
78
79 void DetectorConstruction::DefineMaterials()
80 {
81 // Water is defined from NIST material datab
82 G4NistManager* man = G4NistManager::Instance
83
84 G4Material* H2O = man->FindOrBuildMaterial("
85
86 /*
87 If one wishes to test other density value f
88 one should use instead:
89 G4Material * H2O = man->BuildMaterialWithNe
90 "G4_WATER",1.100*g/cm3);
91
92 Note: any string for "G4_WATER_MODIFIED" pa
93 and "G4_WATER" parameter should not be chan
94 Both materials are created and can be selec
95 */
96 fpWaterMaterial = H2O;
97
98 // G4cout << "-> Density of water material (
99 // << fpWaterMaterial->GetDensity()/(g/cm/c
100
101 G4cout << *(G4Material::GetMaterialTable())
102 }
103
104 //....oooOO0OOooo........oooOO0OOooo........oo
105
106 G4Material*
107 DetectorConstruction::MaterialWithDensity(G4St
108 {
109 // Water is defined from NIST material datab
110 G4NistManager* man = G4NistManager::Instance
111
112 G4Material * material = man->BuildMaterialWi
113 "G4_WATER", density);
114
115 G4cout << "-> Density of water_modified mat
116 << material->GetDensity()/(g/cm/cm/cm) <<
117
118 return material;
119 }
120
121 //....oooOO0OOooo........oooOO0OOooo........oo
122
123 G4VPhysicalVolume* DetectorConstruction::Const
124 {
125 if (fPhysiWorld) {
126 return fPhysiWorld;
127 }
128
129 // World volume
130 G4double worldSizeX = fWorldSize;
131 G4double worldSizeY = worldSizeX;
132 G4double worldSizeZ = worldSizeX;
133
134 G4Box* solidWorld = new G4Box("World", // i
135 worldSizeX / 2
136 // its size
137
138 fLogicWorld = new G4LogicalVolume(solidWorld
139 fpWaterMat
140 "World");
141
142 fPhysiWorld = new G4PVPlacement(0, // no ro
143 G4ThreeVecto
144 "World", //
145 fLogicWorld,
146 0, // its m
147 false, // n
148 0); // copy
149
150 // Visualization attributes - white
151 G4VisAttributes* worldVisAtt = new G4VisAttr
152 worldVisAtt->SetVisibility(true);
153 fLogicWorld->SetVisAttributes(worldVisAtt);
154
155 G4VisAttributes* worldVisAtt1 = new G4VisAtt
156 worldVisAtt1->SetVisibility(true);
157
158 // Shows how to introduce a 20 eV tracking c
159 // logicWorld->SetUserLimits(new G4UserLimit
160
161 return fPhysiWorld;
162 }
163
164 //....oooOO0OOooo........oooOO0OOooo........oo
165
166 void DetectorConstruction::SetMaterial(const G
167 {
168 // Search the material by its name
169 G4Material* pttoMaterial =
170 G4NistManager::Instance()->FindOrBuildMate
171
172 if (pttoMaterial) {
173 fpWaterMaterial = pttoMaterial;
174 if (fLogicWorld) {
175 fLogicWorld->SetMaterial(fpWaterMaterial
176 }
177 G4RunManager::GetRunManager()->GeometryHas
178 }
179 }
180
181 //....oooOO0OOooo........oooOO0OOooo........oo
182
183 void DetectorConstruction::SetSize(G4double va
184 {
185 fWorldSize = value;
186 G4RunManager::GetRunManager()->ReinitializeG
187 }
188