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26 /// \file persistency/P01/src/ExP01DetectorCon 26 /// \file persistency/P01/src/ExP01DetectorConstruction.cc
27 /// \brief Implementation of the ExP01Detector 27 /// \brief Implementation of the ExP01DetectorConstruction class
28 // 28 //
29 // 29 //
>> 30 // $Id: ExP01DetectorConstruction.cc 71791 2013-06-24 14:08:28Z gcosmo $
30 // 31 //
>> 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 33 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 //....oooOO0OOooo........oooOO0OOooo........oo << 34
33 <<
34 #include "ExP01DetectorConstruction.hh" 35 #include "ExP01DetectorConstruction.hh"
35 <<
36 #include "ExP01ChamberParameterisation.hh" <<
37 #include "ExP01DetectorMessenger.hh" 36 #include "ExP01DetectorMessenger.hh"
>> 37 #include "ExP01ChamberParameterisation.hh"
38 #include "ExP01MagneticField.hh" 38 #include "ExP01MagneticField.hh"
39 #include "ExP01TrackerSD.hh" 39 #include "ExP01TrackerSD.hh"
40 40
>> 41 #include "G4Material.hh"
41 #include "G4Box.hh" 42 #include "G4Box.hh"
42 #include "G4Colour.hh" <<
43 #include "G4LogicalVolume.hh" 43 #include "G4LogicalVolume.hh"
44 #include "G4Material.hh" <<
45 #include "G4PVParameterised.hh" <<
46 #include "G4PVPlacement.hh" 44 #include "G4PVPlacement.hh"
>> 45 #include "G4PVParameterised.hh"
47 #include "G4SDManager.hh" 46 #include "G4SDManager.hh"
48 #include "G4SystemOfUnits.hh" << 47
49 #include "G4UserLimits.hh" 48 #include "G4UserLimits.hh"
>> 49
50 #include "G4VisAttributes.hh" 50 #include "G4VisAttributes.hh"
>> 51 #include "G4Colour.hh"
>> 52
>> 53 #include "G4SystemOfUnits.hh"
51 #include "G4ios.hh" 54 #include "G4ios.hh"
52 55
53 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54 << 57
55 ExP01DetectorConstruction::ExP01DetectorConstr 58 ExP01DetectorConstruction::ExP01DetectorConstruction()
56 : G4VUserDetectorConstruction(), << 59 :G4VUserDetectorConstruction(),
57 fSolidWorld(0), << 60 fSolidWorld(0), fLogicWorld(0), fPhysiWorld(0),
58 fLogicWorld(0), << 61 fSolidTarget(0), fLogicTarget(0), fPhysiTarget(0),
59 fPhysiWorld(0), << 62 fSolidTracker(0), fLogicTracker(0), fPhysiTracker(0),
60 fSolidTarget(0), << 63 fSolidChamber(0), fLogicChamber(0), fPhysiChamber(0),
61 fLogicTarget(0), << 64 fTargetMater(0), fChamberMater(0), fPMagField(0), fDetectorMessenger(0),
62 fPhysiTarget(0), << 65 fWorldLength(0.), fTargetLength(0.), fTrackerLength(0.),
63 fSolidTracker(0), << 66 fNbOfChambers(0), fChamberWidth(0.), fChamberSpacing(0.)
64 fLogicTracker(0), <<
65 fPhysiTracker(0), <<
66 fSolidChamber(0), <<
67 fLogicChamber(0), <<
68 fPhysiChamber(0), <<
69 fTargetMater(0), <<
70 fChamberMater(0), <<
71 fPMagField(0), <<
72 fDetectorMessenger(0), <<
73 fWorldLength(0.), <<
74 fTargetLength(0.), <<
75 fTrackerLength(0.), <<
76 fNbOfChambers(0), <<
77 fChamberWidth(0.), <<
78 fChamberSpacing(0.) <<
79 { 67 {
80 fPMagField = new ExP01MagneticField(); 68 fPMagField = new ExP01MagneticField();
81 fDetectorMessenger = new ExP01DetectorMessen 69 fDetectorMessenger = new ExP01DetectorMessenger(this);
82 } 70 }
83 71
84 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
85 << 73
86 ExP01DetectorConstruction::~ExP01DetectorConst 74 ExP01DetectorConstruction::~ExP01DetectorConstruction()
87 { 75 {
88 delete fPMagField; 76 delete fPMagField;
89 delete fDetectorMessenger; << 77 delete fDetectorMessenger;
90 } 78 }
91 79
92 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
93 << 81
94 G4VPhysicalVolume* ExP01DetectorConstruction:: 82 G4VPhysicalVolume* ExP01DetectorConstruction::Construct()
95 { 83 {
96 //--------- Material definition --------- << 84 //--------- Material definition ---------
97 85
98 G4double a, z; 86 G4double a, z;
99 G4double density, temperature, pressure; 87 G4double density, temperature, pressure;
100 G4int nel; 88 G4int nel;
101 89
102 // Air << 90 //Air
103 G4Element* N = new G4Element("Nitrogen", "N" << 91 G4Element* N = new G4Element("Nitrogen", "N", z=7., a= 14.01*g/mole);
104 G4Element* O = new G4Element("Oxygen", "O", << 92 G4Element* O = new G4Element("Oxygen" , "O", z=8., a= 16.00*g/mole);
105 << 93
106 G4Material* Air = new G4Material("Air", dens << 94 G4Material* Air = new G4Material("Air", density= 1.29*mg/cm3, nel=2);
107 Air->AddElement(N, 70 * perCent); << 95 Air->AddElement(N, 70*perCent);
108 Air->AddElement(O, 30 * perCent); << 96 Air->AddElement(O, 30*perCent);
109 << 97
110 // Lead << 98 //Lead
111 G4Material* Pb = << 99 G4Material* Pb =
112 new G4Material("Lead", z = 82., a = 207.19 << 100 new G4Material("Lead", z=82., a= 207.19*g/mole, density= 11.35*g/cm3);
113 << 101
114 // Xenon gas << 102 //Xenon gas
115 G4Material* Xenon = << 103 G4Material* Xenon =
116 new G4Material("XenonGas", z = 54., a = 13 << 104 new G4Material("XenonGas", z=54., a=131.29*g/mole, density= 5.458*mg/cm3,
117 kStateGas, temperature = 29 << 105 kStateGas, temperature= 293.15*kelvin, pressure= 1*atmosphere);
118 106
119 // Print all the materials defined. 107 // Print all the materials defined.
120 // 108 //
121 G4cout << G4endl << "The materials defined a 109 G4cout << G4endl << "The materials defined are : " << G4endl << G4endl;
122 G4cout << *(G4Material::GetMaterialTable()) 110 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
123 111
124 //--------- Sizes of the principal geometric << 112 //--------- Sizes of the principal geometrical components (solids) ---------
125 << 113
126 fNbOfChambers = 5; 114 fNbOfChambers = 5;
127 fChamberWidth = 20 * cm; << 115 fChamberWidth = 20*cm;
128 fChamberSpacing = 80 * cm; << 116 fChamberSpacing = 80*cm;
129 << 117
130 fTrackerLength = (fNbOfChambers + 1) * fCham << 118 fTrackerLength = (fNbOfChambers+1)*fChamberSpacing; // Full length of Tracker
131 fTargetLength = 5.0 * cm; // Full length of << 119 fTargetLength = 5.0 * cm; // Full length of Target
132 << 120
133 fTargetMater = Pb; << 121 fTargetMater = Pb;
134 fChamberMater = Xenon; 122 fChamberMater = Xenon;
135 << 123
136 fWorldLength = 1.2 * (fTargetLength + fTrack << 124 fWorldLength= 1.2 *(fTargetLength+fTrackerLength);
137 << 125
138 G4double targetSize = 0.5 * fTargetLength; << 126 G4double targetSize = 0.5*fTargetLength; // Half length of the Target
139 G4double trackerSize = 0.5 * fTrackerLength; << 127 G4double trackerSize = 0.5*fTrackerLength; // Half length of the Tracker
140 << 128
141 //--------- Definitions of Solids, Logical V << 129 //--------- Definitions of Solids, Logical Volumes, Physical Volumes ---------
142 << 130
143 //------------------------------ << 131 //------------------------------
144 // World 132 // World
145 //------------------------------ << 133 //------------------------------
146 <<
147 G4double HalfWorldLength = 0.5 * fWorldLengt <<
148 <<
149 fSolidWorld = new G4Box("world", HalfWorldLe <<
150 fLogicWorld = new G4LogicalVolume(fSolidWorl <<
151 134
>> 135 G4double HalfWorldLength = 0.5*fWorldLength;
>> 136
>> 137 fSolidWorld= new G4Box("world",HalfWorldLength,HalfWorldLength,HalfWorldLength);
>> 138 fLogicWorld= new G4LogicalVolume( fSolidWorld, Air, "World", 0, 0, 0);
>> 139
152 // Must place the World Physical volume unr 140 // Must place the World Physical volume unrotated at (0,0,0).
153 // << 141 //
154 fPhysiWorld = new G4PVPlacement(0, // no ro << 142 fPhysiWorld = new G4PVPlacement(0, // no rotation
155 G4ThreeVecto << 143 G4ThreeVector(), // at (0,0,0)
156 fLogicWorld, << 144 fLogicWorld, // its logical volume
157 "World", // << 145 "World", // its name
158 0, // its m << 146 0, // its mother volume
159 false, // n << 147 false, // no boolean operations
160 0); // copy << 148 0); // copy number
161 << 149
162 //------------------------------ << 150 //------------------------------
163 // Target 151 // Target
164 //------------------------------ 152 //------------------------------
>> 153
>> 154 G4ThreeVector positionTarget = G4ThreeVector(0,0,-(targetSize+trackerSize));
>> 155
>> 156 fSolidTarget = new G4Box("target",targetSize,targetSize,targetSize);
>> 157 fLogicTarget = new G4LogicalVolume(fSolidTarget,fTargetMater,"Target",0,0,0);
>> 158 fPhysiTarget = new G4PVPlacement(0, // no rotation
>> 159 positionTarget, // at (x,y,z)
>> 160 fLogicTarget, // its logical volume
>> 161 "Target", // its name
>> 162 fLogicWorld, // its mother volume
>> 163 false, // no boolean operations
>> 164 0); // copy number
165 165
166 G4ThreeVector positionTarget = G4ThreeVector << 166 G4cout << "Target is " << fTargetLength/cm << " cm of "
>> 167 << fTargetMater->GetName() << G4endl;
167 168
168 fSolidTarget = new G4Box("target", targetSiz << 169 //------------------------------
169 fLogicTarget = new G4LogicalVolume(fSolidTar <<
170 fPhysiTarget = new G4PVPlacement(0, // no r <<
171 positionTar <<
172 fLogicTarge <<
173 "Target", <<
174 fLogicWorld <<
175 false, // <<
176 0); // cop <<
177 <<
178 G4cout << "Target is " << fTargetLength / cm <<
179 <<
180 //------------------------------ <<
181 // Tracker 170 // Tracker
182 //------------------------------ 171 //------------------------------
>> 172
>> 173 G4ThreeVector positionTracker = G4ThreeVector(0,0,0);
>> 174
>> 175 fSolidTracker = new G4Box("tracker",trackerSize,trackerSize,trackerSize);
>> 176 fLogicTracker = new G4LogicalVolume(fSolidTracker , Air, "Tracker",0,0,0);
>> 177 fPhysiTracker = new G4PVPlacement(0, // no rotation
>> 178 positionTracker, // at (x,y,z)
>> 179 fLogicTracker, // its logical volume
>> 180 "Tracker", // its name
>> 181 fLogicWorld, // its mother volume
>> 182 false, // no boolean operations
>> 183 0); // copy number
183 184
184 G4ThreeVector positionTracker = G4ThreeVecto << 185 //------------------------------
185 <<
186 fSolidTracker = new G4Box("tracker", tracker <<
187 fLogicTracker = new G4LogicalVolume(fSolidTr <<
188 fPhysiTracker = new G4PVPlacement(0, // no <<
189 positionTr <<
190 fLogicTrac <<
191 "Tracker", <<
192 fLogicWorl <<
193 false, // <<
194 0); // co <<
195 <<
196 //------------------------------ <<
197 // Tracker segments 186 // Tracker segments
198 //------------------------------ 187 //------------------------------
199 // << 188 //
200 // An example of Parameterised volumes 189 // An example of Parameterised volumes
201 // dummy values for G4Box -- modified by par 190 // dummy values for G4Box -- modified by parameterised volume
202 191
203 fSolidChamber = new G4Box("chamber", 100 * c << 192 fSolidChamber = new G4Box("chamber", 100*cm, 100*cm, 10*cm);
204 fLogicChamber = new G4LogicalVolume(fSolidCh << 193 fLogicChamber = new G4LogicalVolume(fSolidChamber, fChamberMater,"Chamber",0,0,0);
205 << 194
206 G4double firstPosition = -trackerSize + 0.5 << 195 G4double firstPosition = -trackerSize + 0.5*fChamberWidth;
207 G4double firstLength = fTrackerLength / 10; << 196 G4double firstLength = fTrackerLength/10;
208 G4double lastLength = fTrackerLength; << 197 G4double lastLength = fTrackerLength;
209 << 198
210 G4VPVParameterisation* chamberParam = << 199 G4VPVParameterisation* chamberParam = new ExP01ChamberParameterisation(
211 new ExP01ChamberParameterisation(fNbOfCham << 200 fNbOfChambers, // NoChambers
212 firstPosi << 201 firstPosition, // Z of center of first
213 fChamberS << 202 fChamberSpacing, // Z spacing of centers
214 fChamberW << 203 fChamberWidth, // Width Chamber
215 firstLeng << 204 firstLength, // lengthInitial
216 lastLengt << 205 lastLength); // lengthFinal
217 << 206
218 // dummy value : kZAxis -- modified by param 207 // dummy value : kZAxis -- modified by parameterised volume
219 // 208 //
220 fPhysiChamber = new G4PVParameterised("Chamb << 209 fPhysiChamber = new G4PVParameterised(
221 fLogic << 210 "Chamber", // their name
222 fLogic << 211 fLogicChamber, // their logical volume
223 kZAxis << 212 fLogicTracker, // Mother logical volume
224 fNbOfC << 213 kZAxis, // Are placed along this axis
225 chambe << 214 fNbOfChambers, // Number of chambers
>> 215 chamberParam); // The parametrisation
226 216
227 G4cout << "There are " << fNbOfChambers << " 217 G4cout << "There are " << fNbOfChambers << " chambers in the tracker region. "
228 << "The chambers are " << fChamberWid << 218 << "The chambers are " << fChamberWidth/mm << " mm of "
229 << "\n The distance between chamber i << 219 << fChamberMater->GetName() << "\n The distance between chamber is "
230 << 220 << fChamberSpacing/cm << " cm" << G4endl;
231 //------------------------------------------ << 221
>> 222 //------------------------------------------------
232 // Sensitive detectors 223 // Sensitive detectors
233 //------------------------------------------ << 224 //------------------------------------------------
234 225
235 G4SDManager* SDman = G4SDManager::GetSDMpoin 226 G4SDManager* SDman = G4SDManager::GetSDMpointer();
236 227
237 G4String trackerChamberSDname = "ExP01/Track 228 G4String trackerChamberSDname = "ExP01/TrackerChamberSD";
238 ExP01TrackerSD* aTrackerSD = new ExP01Tracke << 229 ExP01TrackerSD* aTrackerSD = new ExP01TrackerSD( trackerChamberSDname );
239 SDman->AddNewDetector(aTrackerSD); << 230 SDman->AddNewDetector( aTrackerSD );
240 fLogicChamber->SetSensitiveDetector(aTracker << 231 fLogicChamber->SetSensitiveDetector( aTrackerSD );
241 << 232
242 //--------- Visualization attributes ------- << 233 //--------- Visualization attributes -------------------------------
243 << 234
244 G4VisAttributes* BoxVisAtt = new G4VisAttrib << 235 G4VisAttributes* BoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
245 fLogicWorld->SetVisAttributes(BoxVisAtt); << 236 fLogicWorld ->SetVisAttributes(BoxVisAtt);
246 fLogicTarget->SetVisAttributes(BoxVisAtt); << 237 fLogicTarget ->SetVisAttributes(BoxVisAtt);
247 fLogicTracker->SetVisAttributes(BoxVisAtt); 238 fLogicTracker->SetVisAttributes(BoxVisAtt);
248 << 239
249 G4VisAttributes* ChamberVisAtt = new G4VisAt << 240 G4VisAttributes* ChamberVisAtt = new G4VisAttributes(G4Colour(1.0,1.0,0.0));
250 fLogicChamber->SetVisAttributes(ChamberVisAt 241 fLogicChamber->SetVisAttributes(ChamberVisAtt);
251 << 242
252 //--------- example of User Limits --------- << 243 //--------- example of User Limits -------------------------------
253 244
254 // below is an example of how to set trackin 245 // below is an example of how to set tracking constraints in a given
255 // logical volume(see also in N02PhysicsList 246 // logical volume(see also in N02PhysicsList how to setup the processes
256 // G4StepLimiter or G4UserSpecialCuts). 247 // G4StepLimiter or G4UserSpecialCuts).
257 << 248
258 // Sets a max Step length in the tracker reg 249 // Sets a max Step length in the tracker region, with G4StepLimiter
259 // 250 //
260 G4double maxStep = 0.5 * fChamberWidth; << 251 G4double maxStep = 0.5*fChamberWidth;
261 fLogicTracker->SetUserLimits(new G4UserLimit 252 fLogicTracker->SetUserLimits(new G4UserLimits(maxStep));
262 << 253
263 // Set additional contraints on the track, w 254 // Set additional contraints on the track, with G4UserSpecialCuts
264 // 255 //
265 // G4double maxLength = 2*fTrackerLength, ma 256 // G4double maxLength = 2*fTrackerLength, maxTime = 0.1*ns, minEkin = 10*MeV;
266 // logicTracker->SetUserLimits(new G4UserLim 257 // logicTracker->SetUserLimits(new G4UserLimits(maxStep,maxLength,maxTime,
267 // 258 // minEkin));
268 << 259
269 return fPhysiWorld; 260 return fPhysiWorld;
270 } 261 }
271 262
272 //....oooOO0OOooo........oooOO0OOooo........oo 263 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
273 << 264
274 void ExP01DetectorConstruction::SetTargetMater << 265 void ExP01DetectorConstruction::setTargetMaterial(G4String materialName)
275 { 266 {
276 // search the material by its name << 267 // search the material by its name
277 G4Material* pttoMaterial = G4Material::GetMa << 268 G4Material* pttoMaterial = G4Material::GetMaterial(materialName);
278 if (pttoMaterial) { << 269 if (pttoMaterial)
279 fTargetMater = pttoMaterial; << 270 {fTargetMater = pttoMaterial;
280 fLogicTarget->SetMaterial(pttoMaterial); << 271 fLogicTarget->SetMaterial(pttoMaterial);
281 G4cout << "\n----> The target is " << fTar << 272 G4cout << "\n----> The target is " << fTargetLength/cm << " cm of "
282 } << 273 << materialName << G4endl;
>> 274 }
283 } 275 }
284 << 276
285 //....oooOO0OOooo........oooOO0OOooo........oo 277 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
286 278
287 void ExP01DetectorConstruction::SetChamberMate << 279 void ExP01DetectorConstruction::setChamberMaterial(G4String materialName)
288 { 280 {
289 // search the material by its name << 281 // search the material by its name
290 G4Material* pttoMaterial = G4Material::GetMa << 282 G4Material* pttoMaterial = G4Material::GetMaterial(materialName);
291 if (pttoMaterial) { << 283 if (pttoMaterial)
292 fChamberMater = pttoMaterial; << 284 {fChamberMater = pttoMaterial;
293 fLogicChamber->SetMaterial(pttoMaterial); << 285 fLogicChamber->SetMaterial(pttoMaterial);
294 G4cout << "\n----> The chambers are " << f << 286 G4cout << "\n----> The chambers are " << fChamberWidth/cm << " cm of "
295 << G4endl; << 287 << materialName << G4endl;
296 } << 288 }
297 } 289 }
298 << 290
299 //....oooOO0OOooo........oooOO0OOooo........oo 291 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
300 << 292
301 void ExP01DetectorConstruction::SetMagField(G4 293 void ExP01DetectorConstruction::SetMagField(G4double fieldValue)
302 { 294 {
303 fPMagField->SetFieldValue(fieldValue); 295 fPMagField->SetFieldValue(fieldValue);
304 } 296 }
305 297
306 //....oooOO0OOooo........oooOO0OOooo........oo 298 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
307 299