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25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained using the Geant4-DNA software
28 // shall cite the following Geant4-DNA collaboration publications:
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) 157–178
33 //
34 // The Geant4-DNA web site is available at http://geant4-dna.org
35 //
36 /// \file medical/dna/svalue/src/DetectorConstruction.cc
37 /// \brief Implementation of the DetectorConstruction class
38
39 #include "DetectorConstruction.hh"
40
41 #include "DetectorMessenger.hh"
42
43 #include "G4NistManager.hh"
44 #include "G4PVPlacement.hh"
45 #include "G4PhysicalConstants.hh"
46 #include "G4RunManager.hh"
47 #include "G4Sphere.hh"
48 #include "G4UnitsTable.hh"
49 #include "G4UserLimits.hh"
50
51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52
53 DetectorConstruction::DetectorConstruction() : G4VUserDetectorConstruction()
54 {
55 // Default tracking cut
56
57 fTrackingCut = 7.4 * CLHEP::eV;
58
59 // Default parameter values
60
61 fWorldRadius = 10 * CLHEP::m;
62 fCytoThickness = 20 * CLHEP::nm;
63 fNuclRadius = 10 * CLHEP::nm;
64
65 DefineMaterials();
66
67 // Create commands for interactive definition of the detector
68
69 fDetectorMessenger = new DetectorMessenger(this);
70 }
71
72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73
74 DetectorConstruction::~DetectorConstruction()
75 {
76 delete fDetectorMessenger;
77 }
78
79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80
81 void DetectorConstruction::DefineMaterials()
82 {
83 G4NistManager* man = G4NistManager::Instance();
84
85 fWorldMaterial = man->FindOrBuildMaterial("G4_WATER");
86 fCytoMaterial = fNuclMaterial = man->FindOrBuildMaterial("G4_WATER");
87 }
88
89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
90
91 G4VPhysicalVolume* DetectorConstruction::Construct()
92 {
93 if (fWorld) return fWorld;
94
95 // Spherical world
96
97 G4Sphere* sWorld = new G4Sphere("World", 0., 1000 * fNuclRadius, 0., twopi, 0., pi);
98
99 fLogicalWorld = new G4LogicalVolume(sWorld, fWorldMaterial, "World");
100
101 fWorld = new G4PVPlacement(0, G4ThreeVector(), fLogicalWorld, "World", 0, false, 0);
102
103 // Spherical nucleus
104
105 G4Sphere* sNucl = new G4Sphere("Nucl", 0., fNuclRadius, 0., twopi, 0., pi);
106
107 fLogicalNucl = new G4LogicalVolume(sNucl, fNuclMaterial, "Nucl");
108
109 fNucl = new G4PVPlacement(0, G4ThreeVector(), "Nucl", fLogicalNucl, fWorld, false, 0);
110
111 // Spherical shell for cytoplasm
112
113 G4Sphere* sCyto =
114 new G4Sphere("Cyto", fNuclRadius, fNuclRadius + fCytoThickness, 0., twopi, 0., pi);
115
116 fLogicalCyto = new G4LogicalVolume(sCyto, fCytoMaterial, "Cyto");
117
118 fCyto = new G4PVPlacement(0, G4ThreeVector(), "Cyto", fLogicalCyto, fWorld, false, 0);
119 //
120
121 PrintParameters();
122
123 // Tracking cut
124
125 fLogicalNucl->SetUserLimits(new G4UserLimits(DBL_MAX, DBL_MAX, DBL_MAX, fTrackingCut));
126 fLogicalCyto->SetUserLimits(new G4UserLimits(DBL_MAX, DBL_MAX, DBL_MAX, fTrackingCut));
127 fLogicalWorld->SetUserLimits(new G4UserLimits(DBL_MAX, DBL_MAX, DBL_MAX, fTrackingCut));
128
129 //
130 return fWorld;
131 }
132
133 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
134
135 void DetectorConstruction::PrintParameters() const
136 {
137 G4cout << "\n---------------------------------------------------------\n";
138 G4cout << "---> The tracking cut is set to " << G4BestUnit(fTrackingCut, "Energy") << G4endl;
139 G4cout << "---> The World is a sphere of " << G4BestUnit(1000 * fNuclRadius, "Length")
140 << "radius of " << fWorldMaterial->GetName() << G4endl;
141 G4cout << "---> The Nucleus is a sphere of " << G4BestUnit(fNuclRadius, "Length") << "radius of "
142 << fWorldMaterial->GetName() << " of mass " << G4BestUnit(GetNuclMass(), "Mass") << G4endl;
143 G4cout << "---> The Cytoplasm is a spherical shell of thickness "
144 << G4BestUnit(fCytoThickness, "Length") << "of " << fWorldMaterial->GetName()
145 << " of mass " << G4BestUnit(GetCytoMass(), "Mass") << G4endl;
146 G4cout << "\n---------------------------------------------------------\n";
147 }
148
149 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
150
151 void DetectorConstruction::SetTrackingCut(G4double value)
152 {
153 fTrackingCut = value;
154 }
155
156 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
157
158 void DetectorConstruction::SetNuclRadius(G4double value)
159 {
160 fNuclRadius = value;
161 }
162
163 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
164
165 void DetectorConstruction::SetCytoThickness(G4double value)
166 {
167 fCytoThickness = value;
168 }
169
170 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
171
172 void DetectorConstruction::SetWorldMaterial(const G4String& materialChoice)
173 {
174 // Search the material by its name
175 G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
176
177 if (pttoMaterial && pttoMaterial != fWorldMaterial) {
178 fWorldMaterial = pttoMaterial;
179 if (fLogicalWorld) fLogicalWorld->SetMaterial(pttoMaterial);
180 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
181 }
182 }
183
184 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185
186 void DetectorConstruction::SetCytoMaterial(const G4String& materialChoice)
187 {
188 // Search the material by its name
189 G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
190
191 if (pttoMaterial && pttoMaterial != fCytoMaterial) {
192 fCytoMaterial = pttoMaterial;
193 if (fLogicalCyto) fLogicalCyto->SetMaterial(pttoMaterial);
194 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
195 }
196 }
197
198 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
199
200 void DetectorConstruction::SetNuclMaterial(const G4String& materialChoice)
201 {
202 // Search the material by its name
203 G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
204
205 if (pttoMaterial && pttoMaterial != fNuclMaterial) {
206 fNuclMaterial = pttoMaterial;
207 if (fLogicalNucl) fLogicalNucl->SetMaterial(pttoMaterial);
208 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
209 }
210 }
211