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25 //
26 /// \file electromagnetic/TestEm6/src/Detector
27 /// \brief Implementation of the DetectorConst
28 //
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oo
31 //....oooOO0OOooo........oooOO0OOooo........oo
32
33 #include "DetectorConstruction.hh"
34
35 #include "DetectorMessenger.hh"
36
37 #include "G4Box.hh"
38 #include "G4GeometryManager.hh"
39 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh"
41 #include "G4Material.hh"
42 #include "G4NistManager.hh"
43 #include "G4PVPlacement.hh"
44 #include "G4PhysicalVolumeStore.hh"
45 #include "G4RunManager.hh"
46 #include "G4SolidStore.hh"
47 #include "G4SystemOfUnits.hh"
48 #include "G4UniformMagField.hh"
49 #include "G4UnitsTable.hh"
50 #include "G4UserLimits.hh"
51
52 //....oooOO0OOooo........oooOO0OOooo........oo
53
54 DetectorConstruction::DetectorConstruction()
55 : G4VUserDetectorConstruction(),
56 fP_Box(0),
57 fL_Box(0),
58 fBoxSize(500 * m),
59 fMaterial(0),
60 fMagField(0),
61 fUserLimits(0),
62 fDetectorMessenger(0)
63 {
64 DefineMaterials();
65 SetMaterial("Iron");
66
67 // create UserLimits
68 fUserLimits = new G4UserLimits();
69
70 // create commands for interactive definitio
71 fDetectorMessenger = new DetectorMessenger(t
72 }
73
74 //....oooOO0OOooo........oooOO0OOooo........oo
75
76 DetectorConstruction::~DetectorConstruction()
77 {
78 delete fDetectorMessenger;
79 }
80
81 //....oooOO0OOooo........oooOO0OOooo........oo
82
83 G4VPhysicalVolume* DetectorConstruction::Const
84 {
85 return ConstructVolumes();
86 }
87
88 //....oooOO0OOooo........oooOO0OOooo........oo
89
90 void DetectorConstruction::DefineMaterials()
91 {
92 G4double a, z, density;
93
94 new G4Material("Beryllium", z = 4., a = 9.01
95 new G4Material("Carbon", z = 6., a = 12.011
96 new G4Material("Iron", z = 26., a = 55.85 *
97
98 G4cout << *(G4Material::GetMaterialTable())
99 }
100
101 //....oooOO0OOooo........oooOO0OOooo........oo
102
103 G4VPhysicalVolume* DetectorConstruction::Const
104 {
105 G4GeometryManager::GetInstance()->OpenGeomet
106 G4PhysicalVolumeStore::GetInstance()->Clean(
107 G4LogicalVolumeStore::GetInstance()->Clean()
108 G4SolidStore::GetInstance()->Clean();
109
110 G4Box* sBox = new G4Box("Container", // its
111 fBoxSize / 2, fBoxSi
112
113 fL_Box = new G4LogicalVolume(sBox, // its s
114 fMaterial, //
115 fMaterial->GetN
116
117 fL_Box->SetUserLimits(fUserLimits);
118
119 fP_Box = new G4PVPlacement(0, // no rotatio
120 G4ThreeVector(),
121 fL_Box, // its l
122 fMaterial->GetNam
123 0, // its mother
124 false, // no boo
125 0); // copy numb
126
127 PrintParameters();
128
129 //
130 // always return the root volume
131 //
132 return fP_Box;
133 }
134
135 //....oooOO0OOooo........oooOO0OOooo........oo
136
137 void DetectorConstruction::PrintParameters()
138 {
139 G4cout << "\n The Box is " << G4BestUnit(fBo
140 << G4endl;
141 }
142
143 //....oooOO0OOooo........oooOO0OOooo........oo
144
145 void DetectorConstruction::SetMaterial(const G
146 {
147 G4cout << "###SetMaterial" << G4endl;
148
149 // get the pointer to the existing material
150 G4Material* mat = G4Material::GetMaterial(na
151
152 // create the material by its name
153 if (!mat) {
154 mat = G4NistManager::Instance()->FindOrBui
155 }
156
157 if (mat && mat != fMaterial) {
158 G4cout << "### New target material: " << m
159 fMaterial = mat;
160 if (fL_Box) {
161 fL_Box->SetMaterial(mat);
162 G4RunManager::GetRunManager()->PhysicsHa
163 }
164 }
165 }
166
167 //....oooOO0OOooo........oooOO0OOooo........oo
168
169 void DetectorConstruction::SetSize(G4double va
170 {
171 fBoxSize = value;
172 }
173
174 //....oooOO0OOooo........oooOO0OOooo........oo
175
176 #include "G4FieldManager.hh"
177 #include "G4TransportationManager.hh"
178
179 void DetectorConstruction::SetMagField(G4doubl
180 {
181 // apply a global uniform magnetic field alo
182 G4FieldManager* fieldMgr = G4TransportationM
183
184 if (fMagField) delete fMagField; // delete
185
186 if (fieldValue != 0.) // create a new one i
187 {
188 fMagField = new G4UniformMagField(G4ThreeV
189 fieldMgr->SetDetectorField(fMagField);
190 fieldMgr->CreateChordFinder(fMagField);
191 }
192 else {
193 fMagField = 0;
194 fieldMgr->SetDetectorField(fMagField);
195 }
196 }
197
198 //....oooOO0OOooo........oooOO0OOooo........oo
199
200 void DetectorConstruction::SetMaxStepSize(G4do
201 {
202 // set the maximum allowed step size
203 //
204 if (val <= DBL_MIN) {
205 G4cout << "\n --->warning from SetMaxStepS
206 << " out of range. Command refused"
207 return;
208 }
209 fUserLimits->SetMaxAllowedStep(val);
210 }
211
212 //....oooOO0OOooo........oooOO0OOooo........oo
213
214 #include "G4RunManager.hh"
215
216 void DetectorConstruction::UpdateGeometry()
217 {
218 G4RunManager::GetRunManager()->DefineWorldVo
219 }
220
221 //....oooOO0OOooo........oooOO0OOooo........oo
222