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25 //
26 /// \file hadronic/Hadr02/src/DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConstruction class
28 //
29 //
30 /////////////////////////////////////////////////////////////////////////
31 //
32 // DetectorConstruction
33 //
34 // Created: 31.01.2003 V.Ivanchenko
35 //
36 // Modified:
37 // 04.06.2006 Adoptation of hadr01 (V.Ivanchenko)
38 //
39 ////////////////////////////////////////////////////////////////////////
40 //
41
42 #include "DetectorConstruction.hh"
43
44 #include "DetectorMessenger.hh"
45 #include "HistoManager.hh"
46 #include "TargetSD.hh"
47
48 #include "G4Colour.hh"
49 #include "G4GeometryManager.hh"
50 #include "G4LogicalVolume.hh"
51 #include "G4LogicalVolumeStore.hh"
52 #include "G4NistManager.hh"
53 #include "G4PVPlacement.hh"
54 #include "G4PhysicalConstants.hh"
55 #include "G4PhysicalVolumeStore.hh"
56 #include "G4RunManager.hh"
57 #include "G4SDManager.hh"
58 #include "G4SolidStore.hh"
59 #include "G4SystemOfUnits.hh"
60 #include "G4Tubs.hh"
61 #include "G4UnitsTable.hh"
62 #include "G4VisAttributes.hh"
63 #include "G4ios.hh"
64
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66
67 DetectorConstruction::DetectorConstruction()
68 : G4VUserDetectorConstruction(),
69 fRadius(10. * cm),
70 fTargetMaterial(0),
71 fWorldMaterial(0),
72 fTargetSD(0),
73 fLogicTarget(0),
74 fLogicWorld(0),
75 fDetectorMessenger(0)
76
77 {
78 fDetectorMessenger = new DetectorMessenger(this);
79
80 fTargetMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Al");
81 fWorldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
82 HistoManager::GetPointer()->SetTargetMaterial(fTargetMaterial);
83
84 // Prepare sensitive detectors
85 fTargetSD = new TargetSD("targetSD");
86 G4SDManager::GetSDMpointer()->AddNewDetector(fTargetSD);
87 }
88
89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
90
91 DetectorConstruction::~DetectorConstruction()
92 {
93 delete fDetectorMessenger;
94 }
95
96 G4VPhysicalVolume* DetectorConstruction::Construct()
97 {
98 // Cleanup old geometry
99 G4GeometryManager::GetInstance()->OpenGeometry();
100 G4PhysicalVolumeStore::GetInstance()->Clean();
101 G4LogicalVolumeStore::GetInstance()->Clean();
102 G4SolidStore::GetInstance()->Clean();
103
104 // Sizes
105 G4double checkR = fRadius + mm;
106 G4double worldR = fRadius + cm;
107 G4double targetZ = HistoManager::GetPointer()->Length() * 0.5;
108 G4double checkZ = targetZ + mm;
109 G4double worldZ = targetZ + cm;
110
111 G4int nSlices = HistoManager::GetPointer()->NumberOfSlices();
112 G4double sliceZ = targetZ / G4double(nSlices);
113
114 //
115 // World
116 G4Tubs* solidW = new G4Tubs("World", 0., worldR, worldZ, 0., twopi);
117 fLogicWorld = new G4LogicalVolume(solidW, fWorldMaterial, "World");
118 G4VPhysicalVolume* world =
119 new G4PVPlacement(0, G4ThreeVector(), fLogicWorld, "World", 0, false, 0);
120 //
121 // Check volume
122 //
123 G4Tubs* solidC = new G4Tubs("Check", 0., checkR, checkZ, 0., twopi);
124 G4LogicalVolume* logicCheck = new G4LogicalVolume(solidC, fWorldMaterial, "World");
125 new G4PVPlacement(0, G4ThreeVector(), logicCheck, "World", fLogicWorld, false, 0);
126
127 //
128 // Target volume
129 //
130 G4Tubs* solidA = new G4Tubs("Target", 0., fRadius, sliceZ, 0., twopi);
131 fLogicTarget = new G4LogicalVolume(solidA, fTargetMaterial, "Target");
132 fLogicTarget->SetSensitiveDetector(fTargetSD);
133
134 G4double z = sliceZ - targetZ;
135
136 for (G4int i = 0; i < nSlices; i++) {
137 // physC =
138 new G4PVPlacement(0, G4ThreeVector(0.0, 0.0, z), fLogicTarget, "Target", logicCheck, false, i);
139 z += 2.0 * sliceZ;
140 }
141 G4cout << "### Target consist of " << nSlices << " of " << fTargetMaterial->GetName()
142 << " disks with R(mm)= " << fRadius / mm << " Width(mm)= " << 2.0 * sliceZ / mm
143 << " Total Length(mm)= " << 2.0 * targetZ / mm << " ###" << G4endl;
144
145 // colors
146 G4VisAttributes zero = G4VisAttributes::GetInvisible();
147 fLogicWorld->SetVisAttributes(zero);
148
149 G4VisAttributes regWcolor(G4Colour(0.3, 0.3, 0.3));
150 logicCheck->SetVisAttributes(regWcolor);
151
152 G4VisAttributes regCcolor(G4Colour(0., 0.3, 0.7));
153 fLogicTarget->SetVisAttributes(regCcolor);
154
155 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
156
157 return world;
158 }
159
160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
161
162 void DetectorConstruction::SetTargetMaterial(const G4String& mat)
163 {
164 // search the material by its name
165 G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
166
167 if (material && material != fTargetMaterial) {
168 HistoManager::GetPointer()->SetTargetMaterial(material);
169 fTargetMaterial = material;
170 if (fLogicTarget) {
171 fLogicTarget->SetMaterial(fTargetMaterial);
172 }
173 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
174 }
175 }
176
177 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
178
179 void DetectorConstruction::SetWorldMaterial(const G4String& mat)
180 {
181 // search the material by its name
182 G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
183
184 if (material && material != fWorldMaterial) {
185 fWorldMaterial = material;
186 if (fLogicWorld) {
187 fLogicWorld->SetMaterial(fWorldMaterial);
188 }
189 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
190 }
191 }
192
193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
194
195 void DetectorConstruction::SetTargetRadius(G4double val)
196 {
197 if (val > 0.0) {
198 fRadius = val;
199 G4RunManager::GetRunManager()->GeometryHasBeenModified();
200 }
201 }
202
203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
204