| Geant4 Cross Reference |
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25 //
26 //
27
28 #include "DetectorConstruction.hh"
29
30 #include "SensitiveDetector.hh"
31
32 #include "G4Box.hh"
33 #include "G4ChannelingMaterialData.hh"
34 #include "G4ChannelingOptrMultiParticleChangeCrossSection.hh"
35 #include "G4Colour.hh"
36 #include "G4CrystalExtension.hh"
37 #include "G4ExtendedMaterial.hh"
38 #include "G4GeometryManager.hh"
39 #include "G4LogicalCrystalVolume.hh"
40 #include "G4LogicalVolume.hh"
41 #include "G4LogicalVolumeStore.hh"
42 #include "G4Material.hh"
43 #include "G4NistManager.hh"
44 #include "G4PVPlacement.hh"
45 #include "G4PhysicalConstants.hh"
46 #include "G4PhysicalVolumeStore.hh"
47 #include "G4SDManager.hh"
48 #include "G4SolidStore.hh"
49 #include "G4SystemOfUnits.hh"
50 #include "G4VisAttributes.hh"
51
52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53
54 DetectorConstruction::DetectorConstruction()
55 : fECfileName("Si220pl"),
56 fMaterialName("G4_Si"),
57 fSizes(G4ThreeVector(1. * CLHEP::mm, 70. * CLHEP::mm, 1.94 * CLHEP::mm)),
58 fBR(G4ThreeVector(0., 0., 0.)),
59 fAngles(G4ThreeVector(0., 0., 0.))
60 {
61 fMessenger = new DetectorConstructionMessenger(this);
62 }
63
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
65
66 DetectorConstruction::~DetectorConstruction()
67 {
68 ;
69 }
70
71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
72
73 void DetectorConstruction::DefineMaterials()
74 {
75 ;
76 }
77
78 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
79
80 G4VPhysicalVolume* DetectorConstruction::Construct()
81 {
82 //** World **//
83 G4Material* worldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
84
85 G4double worldSizeXY = 1. * CLHEP::meter;
86 G4double worldSizeZ = 22. * CLHEP::meter;
87
88 G4Box* worldSolid = new G4Box("world.solid", worldSizeXY / 2., worldSizeXY / 2., worldSizeZ / 2.);
89
90 G4LogicalVolume* worldLogic = new G4LogicalVolume(worldSolid, worldMaterial, "world.logic");
91
92 G4PVPlacement* worldPhysical =
93 new G4PVPlacement(0, G4ThreeVector(), worldLogic, "world.physic", 0, false, 0);
94
95 //** Detectors instantiation **//
96 G4ThreeVector fDetectorSizes(G4ThreeVector(38.0 * CLHEP::mm, 38.0 * CLHEP::mm, 0.64 * CLHEP::mm));
97 G4double fDetectorDistance[3] = {-9.998 * CLHEP::m, -0.320 * CLHEP::m, +10.756 * CLHEP::m};
98
99 G4Box* ssdSolid = new G4Box("ssd.solid", fDetectorSizes.x() / 2., fDetectorSizes.y() / 2.,
100 fDetectorSizes.z() / 2.);
101
102 G4Material* detectorMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Si");
103 G4LogicalVolume* ssdLogic = new G4LogicalVolume(ssdSolid, detectorMaterial, "ssd.logic");
104
105 for (size_t i1 = 0; i1 < 3; i1++) {
106 new G4PVPlacement(0, G4ThreeVector(0., 0., fDetectorDistance[i1]), ssdLogic, "ssd.physic",
107 worldLogic, false, i1);
108 }
109
110 //** Crystal solid parameters **//
111 G4Box* crystalSolid =
112 new G4Box("crystal.solid", fSizes.x() / 2., fSizes.y() / 2., fSizes.z() / 2.);
113
114 //** Crystal Definition Start **//
115 G4Material* mat = G4NistManager::Instance()->FindOrBuildMaterial("G4_Si");
116 G4ExtendedMaterial* Crystal = new G4ExtendedMaterial("crystal.material", mat);
117
118 Crystal->RegisterExtension(std::unique_ptr<G4CrystalExtension>(new G4CrystalExtension(Crystal)));
119 G4CrystalExtension* crystalExtension = (G4CrystalExtension*)Crystal->RetrieveExtension("crystal");
120 crystalExtension->SetUnitCell(
121 new G4CrystalUnitCell(5.43 * CLHEP::angstrom, 5.43 * CLHEP::angstrom, 5.43 * CLHEP::angstrom,
122 CLHEP::halfpi, CLHEP::halfpi, CLHEP::halfpi, 227));
123
124 Crystal->RegisterExtension(
125 std::unique_ptr<G4ChannelingMaterialData>(new G4ChannelingMaterialData("channeling")));
126 G4ChannelingMaterialData* crystalChannelingData =
127 (G4ChannelingMaterialData*)Crystal->RetrieveExtension("channeling");
128 crystalChannelingData->SetFilename(fECfileName);
129
130 if (fBR != G4ThreeVector()) {
131 crystalChannelingData->SetBR(fBR.x());
132 }
133
134 G4LogicalCrystalVolume* crystalLogic =
135 new G4LogicalCrystalVolume(crystalSolid, Crystal, "crystal.logic");
136 crystalLogic->SetVerbose(1);
137 //** Crystal Definition End **//
138
139 G4RotationMatrix* rot = new G4RotationMatrix;
140 if (fAngles.x() != 0.) {
141 rot->rotateX(fAngles.x());
142 }
143 if (fAngles.y() != 0.) {
144 rot->rotateY(fAngles.y());
145 }
146 if (fAngles.z() != 0.) {
147 rot->rotateZ(fAngles.z());
148 }
149
150 new G4PVPlacement(rot, G4ThreeVector(), crystalLogic, "crystal.physic", worldLogic, false, 0);
151
152 #ifndef G4MULTITHREADED
153 G4ChannelingOptrMultiParticleChangeCrossSection* testMany =
154 new G4ChannelingOptrMultiParticleChangeCrossSection();
155 testMany->AttachTo(crystalLogic);
156 G4cout << " Attaching biasing operator " << testMany->GetName() << " to logical volume "
157 << crystalLogic->GetName() << G4endl;
158
159 G4VSensitiveDetector* telescope = new SensitiveDetector("/telescope");
160 G4SDManager::GetSDMpointer()->AddNewDetector(telescope);
161 for (unsigned int i1 = 0; i1 < 3; i1++) {
162 ssdLogic->SetSensitiveDetector(telescope);
163 }
164 #endif
165
166 return worldPhysical;
167 }
168
169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
170
171 #ifdef G4MULTITHREADED
172 void DetectorConstruction::ConstructSDandField()
173 {
174 G4LogicalVolume* crystalLogic = G4LogicalVolumeStore::GetInstance()->GetVolume("crystal.logic");
175 G4ChannelingOptrMultiParticleChangeCrossSection* testMany =
176 new G4ChannelingOptrMultiParticleChangeCrossSection();
177 testMany->AttachTo(crystalLogic);
178 G4cout << " Attaching biasing operator " << testMany->GetName() << " to logical volume "
179 << crystalLogic->GetName() << G4endl;
180
181 G4LogicalVolume* ssdLogic = G4LogicalVolumeStore::GetInstance()->GetVolume("ssd.logic");
182 G4VSensitiveDetector* telescope = new SensitiveDetector("/telescope");
183 G4SDManager::GetSDMpointer()->AddNewDetector(telescope);
184 for (unsigned int i1 = 0; i1 < 3; i1++) {
185 ssdLogic->SetSensitiveDetector(telescope);
186 }
187 }
188 #else
189 void DetectorConstruction::ConstructSDandField()
190 {
191 ;
192 }
193 #endif
194
195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
196