| Geant4 Cross Reference |
1 //
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24 // ********************************************************************
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 publication:
29 // Med. Phys. 37 (2010) 4692-4708
30 // The Geant4-DNA web site is available at http://geant4-dna.org
31 //
32 // If you use this example, please cite the following publication:
33 // Rad. Prot. Dos. 133 (2009) 2-11
34
35 #include "DetectorConstruction.hh"
36 #include "G4PhysicalConstants.hh"
37 #include "G4SystemOfUnits.hh"
38 #include "G4MagIntegratorDriver.hh"
39 #include "G4AutoDelete.hh"
40
41 DetectorConstruction::DetectorConstruction()
42
43 :fDefaultMaterial(nullptr),fCollimatorMaterial(nullptr),fBoiteMaterial(nullptr),
44 fCathodeMaterial(nullptr),fVerreMaterial(nullptr),fVerre2Material(nullptr),
45 fKgmMaterial(nullptr),fBoite2Material(nullptr),fBoite3Material(nullptr),
46 fNucleusMaterial1(nullptr),fCytoplasmMaterial1(nullptr),
47 fNucleusMaterial2(nullptr),fCytoplasmMaterial2(nullptr),
48 fNucleusMaterial3(nullptr),fCytoplasmMaterial3(nullptr),
49 fPhysiWorld(nullptr),fLogicWorld(nullptr),fSolidWorld(nullptr),
50 fPhysiVol(nullptr),fLogicVol(nullptr),fSolidVol(nullptr),
51 fPhysiBoite(nullptr),fLogicBoite(nullptr),fSolidBoite(nullptr),
52 fPhysiYoke1(nullptr),fLogicYoke1(nullptr),fSolidYoke1(nullptr),
53 fPhysi1Gap(nullptr),fLogic1Gap(nullptr),fSolid1Gap(nullptr),
54 fPhysi2Gap(nullptr),fLogic2Gap(nullptr),fSolid2Gap(nullptr),
55 fPhysi3Gap(nullptr),fLogic3Gap(nullptr),fSolid3Gap(nullptr),
56 fPhysiYoke2(nullptr),fLogicYoke2(nullptr),fSolidYoke2(nullptr),
57 fPhysi4Gap(nullptr),fLogic4Gap(nullptr),fSolid4Gap(nullptr),
58 fPhysi5Gap(nullptr),fLogic5Gap(nullptr),fSolid5Gap(nullptr),
59 fPhysiBoiteIso(nullptr),fLogicBoiteIso(nullptr),fSolidBoiteIso(nullptr),
60 fPhysiCathode(nullptr),fLogicCathode(nullptr),fSolidCathode(nullptr),
61 fPhysiIso(nullptr),fLogicIso(nullptr),fSolidIso(nullptr),
62 fPhysiVerre(nullptr),fLogicVerre(nullptr),fSolidVerre(nullptr),
63 fPhysiBoite2(nullptr),fLogicBoite2(nullptr),fSolidBoite2(nullptr),
64 fPhysiBoite3(nullptr),fLogicBoite3(nullptr),fSolidBoite3(nullptr),
65 fPhysiKgm(nullptr),fLogicKgm(nullptr),fSolidKgm(nullptr),
66 fPhysiVerre2(nullptr),fLogicVerre2(nullptr),fSolidVerre2(nullptr),
67 fPhysiPhantom(nullptr),fLogicPhantom(nullptr),fSolidPhantom(nullptr)
68
69 {
70 DefineMaterials();
71
72 // Initialisation of variables which
73 // will then be appropriately fixed in methods of this class
74 // to implement the simulation geometry set-up
75 fDensityPhantom = 0.; // in g/cm3
76 fDensityNucleus = 0.; // in g/cm3
77 fDensityCytoplasm = 0.; // in g/cm3
78 fWorldSizeXY=fWorldSizeZ=0.;
79 fCollObjSizeXY = 0.;
80 fCollObjSizeZ = 0.;
81
82 // TARGET POSITION
83 fCiblePositionX = 0.;
84 fCiblePositionY = 0.;
85 fCiblePositionZ = 0.;
86
87 // MICROBEAM LINE ANGLE
88 fLineAngle = 0.;
89
90 fNbOfPixelsInPhantom=0;
91 }
92
93 DetectorConstruction::~DetectorConstruction()
94 {}
95
96 G4VPhysicalVolume* DetectorConstruction::Construct()
97 {
98 if(fPhysiWorld) { return fPhysiWorld; }
99 return ConstructLine();
100 }
101
102 void DetectorConstruction::DefineMaterials()
103 {
104 G4String name, symbol;
105 G4double density;
106
107 G4int ncomponents, natoms,nel;
108 G4double z, a;
109 G4double fractionmass;
110 G4double temperature, pressure;
111
112 // Define Elements
113
114 G4Element* H = new G4Element ("Hydrogen", "H", 1. , 1.01*g/mole);
115 G4Element* N = new G4Element ("Nitrogen", "N", 7., 14.01*g/mole);
116 G4Element* O = new G4Element ("Oxygen" , "O", 8. , 16.00*g/mole);
117 G4Element* Ar = new G4Element ("Argon" , "Ar", 18., 39.948*g/mole );
118 G4Element* C = new G4Element ("Carbon","C", 6., 12.011*g/mole);
119 G4Element * Si = new G4Element ("Silicon","Si",14., 28.0855*g/mole);
120 G4Element * Cu = new G4Element ("Cuivre","Cu",29., 63.546*g/mole);
121 G4Element * Zn = new G4Element ("Zinc","Zn",30.,65.409*g/mole);
122 G4Element * P = new G4Element ("Phosphorus","P",15.,30.973761*g/mole);
123
124 // Vacuum standard definition...
125
126 density = universe_mean_density;
127 G4Material* vacuum = new G4Material(name="Vacuum", z=1., a=1.01*g/mole,
128 density);
129 // Water
130
131 density = 1.000*g/cm3;
132 G4Material* H2O = new G4Material(name="H2O" , density, ncomponents=2);
133 H2O->AddElement(H, natoms=2);
134 H2O->AddElement(O, natoms=1);
135
136 // Air
137
138 density = 1.290*mg/cm3;
139 pressure = 1*atmosphere;
140 temperature = 293.16*kelvin;
141 G4Material* Air = new G4Material(name="Air" , density, ncomponents=2, kStateGas, temperature, pressure);
142 Air->AddElement(N, fractionmass=0.7);
143 Air->AddElement(O, fractionmass=0.3);
144
145 // Low Pressure air
146
147 density = (5e-6/1013.)*1.290*mg/cm3; // 5e-6 mbar is the usual beam pipe air pressure
148 pressure = 1*atmosphere;
149 temperature = 293.16*kelvin;
150 G4Material* LPAir = new G4Material(name="LPAir" , density, ncomponents=3, kStateGas, temperature, pressure);
151 LPAir->AddElement(N, fractionmass=0.715);
152 LPAir->AddElement(O, fractionmass=0.25);
153 LPAir->AddElement(Ar, fractionmass=0.035);
154
155 // Platinum
156
157 a = 195.09*g/mole;
158 density = 21.4*g/cm3;
159 G4Material* Pt = new G4Material(name="Pl", z=78., a, density);
160
161 // Butane @ 10 mbar
162
163 density = 2.552e-2*mg/cm3;
164 pressure = 0.01*bar;
165 temperature = 293.16*kelvin;
166 G4Material* Butane = new G4Material(name = "Butane", density, nel = 2, kStateGas, temperature, pressure);
167 Butane->AddElement (C, natoms=4);
168 Butane->AddElement (H, natoms=10);
169
170 // Polypropylene
171
172 density = 0.9*g/cm3;
173 G4Material* Polyprop = new G4Material(name = "Polyprop", density, nel = 2);
174 Polyprop->AddElement (C,3);
175 Polyprop->AddElement (H,6);
176
177 // Si3N4
178
179 density = 3.44*g/cm3;
180 G4Material* Si3N4 = new G4Material(name = "Si3N4", density, nel = 2);
181 Si3N4->AddElement (Si, natoms=3);
182 Si3N4->AddElement (N, natoms=4);
183
184 // SiO2
185
186 density = 2.5*g/cm3;
187 G4Material* SiO2 = new G4Material(name = "SiO2", density, nel = 2);
188 SiO2->AddElement (Si, natoms=1);
189 SiO2->AddElement (O, natoms=2);
190
191 // Brass
192
193 density = 8.5*g/cm3;
194 G4Material* Laiton = new G4Material(name = "Laiton", density, nel = 2);
195 Laiton->AddElement (Cu,1);
196 Laiton->AddElement (Zn,1);
197
198 // Phantom
199
200 fDensityPhantom = 1.; // in g/cm3
201
202 // Nucleus composition from Alard et al., Rad. Res. 158, 650 (2002) and
203 // Comp. Math. Meth. Med. 147252 (2012)
204 //
205 // Cytoplasm composition is assumed to be water
206
207 // Cytoplasm
208
209 fDensityCytoplasm = 1.; // in g/cm3
210 density = fDensityCytoplasm*g/cm3;
211 G4Material* Cytoplasm1 = new G4Material(name="Cytoplasm1" , density, ncomponents=2);
212 Cytoplasm1->AddElement(H, fractionmass=0.112);
213 Cytoplasm1->AddElement(O, fractionmass=0.888);
214
215 // Nucleoli
216
217 fDensityCytoplasm = 1.;
218 // in g/cm3 (nucleoli are assumed to have the same chemical comp. as nucleus)
219 density = fDensityCytoplasm*g/cm3;
220 G4Material* Cytoplasm2 = new G4Material(name="Cytoplasm2" , density, ncomponents=5);
221 Cytoplasm2->AddElement(H, fractionmass=0.1064);
222 Cytoplasm2->AddElement(O, fractionmass=0.745);
223 Cytoplasm2->AddElement(C, fractionmass=0.0904);
224 Cytoplasm2->AddElement(N, fractionmass=0.0321);
225 Cytoplasm2->AddElement(P, fractionmass=0.0261);
226
227 // default is water
228
229 fDensityCytoplasm = 1.; // in g/cm3
230 density = fDensityCytoplasm*g/cm3;
231 G4Material* Cytoplasm3 = new G4Material(name="Cytoplasm3" , density, ncomponents=2);
232 Cytoplasm3->AddElement(H, fractionmass=0.112);
233 Cytoplasm3->AddElement(O, fractionmass=0.888);
234
235 // Nucleus chemical composition
236
237 fDensityNucleus = 1.; // in g/cm3
238 density = fDensityNucleus*g/cm3;
239 G4Material* Nucleus1 = new G4Material(name="Nucleus1" , density, ncomponents=5);
240 Nucleus1->AddElement(H, fractionmass=0.1064);
241 Nucleus1->AddElement(O, fractionmass=0.745);
242 Nucleus1->AddElement(C, fractionmass=0.0904);
243 Nucleus1->AddElement(N, fractionmass=0.0321);
244 Nucleus1->AddElement(P, fractionmass=0.0261);
245
246 fDensityNucleus = 1.; // in g/cm3
247 density = fDensityNucleus*g/cm3;
248 G4Material* Nucleus2 = new G4Material(name="Nucleus2" , density, ncomponents=5);
249 Nucleus2->AddElement(H, fractionmass=0.1064);
250 Nucleus2->AddElement(O, fractionmass=0.745);
251 Nucleus2->AddElement(C, fractionmass=0.0904);
252 Nucleus2->AddElement(N, fractionmass=0.0321);
253 Nucleus2->AddElement(P, fractionmass=0.0261);
254
255 // default
256
257 fDensityNucleus = 1.; // in g/cm3
258 density = fDensityNucleus*g/cm3;
259 G4Material* Nucleus3 = new G4Material(name="Nucleus3" , density, ncomponents=5);
260 Nucleus3->AddElement(H, fractionmass=0.1064);
261 Nucleus3->AddElement(O, fractionmass=0.745);
262 Nucleus3->AddElement(C, fractionmass=0.0904);
263 Nucleus3->AddElement(N, fractionmass=0.0321);
264 Nucleus3->AddElement(P, fractionmass=0.0261);
265
266 // Materials in setup
267
268 fDefaultMaterial = vacuum;
269 fCollimatorMaterial = Pt;
270 fBoiteMaterial = Butane;
271 fCathodeMaterial = Laiton;
272 fVerreMaterial = Si3N4;
273 fVerre2Material = SiO2;
274 fKgmMaterial = H2O;
275 fBoite2Material = Air;
276 fBoite3Material = Polyprop;
277
278 fNucleusMaterial1 = Nucleus1;
279 fCytoplasmMaterial1 = Cytoplasm1;
280 fNucleusMaterial2 = Nucleus2;
281 fCytoplasmMaterial2 = Cytoplasm2;
282 fNucleusMaterial3 = Nucleus3;
283 fCytoplasmMaterial3 = Cytoplasm3;
284
285 // DISPLAY MATERIALS
286 G4cout << G4endl << *(G4Material::GetMaterialTable()) << G4endl;
287
288 }
289
290 G4VPhysicalVolume* DetectorConstruction::ConstructLine()
291 {
292 // WORLD
293 fWorldSizeXY = 20*m;
294 fWorldSizeZ = 40*m;
295
296 // MICROBEAM LINE ANGLE
297 fLineAngle = 10*deg;
298
299 // TARGET POSITION
300 fCiblePositionX = -1461.42*mm;
301 fCiblePositionY = 0*mm;
302 fCiblePositionZ = -1327 + (955*std::cos(fLineAngle))*mm;
303
304 //*************
305 // WORLD VOLUME
306 //*************
307
308 fSolidWorld = new G4Box("World", //its name
309 fWorldSizeXY/2,fWorldSizeXY/2,fWorldSizeZ/2); //its size
310
311
312 fLogicWorld = new G4LogicalVolume(fSolidWorld, //its solid
313 fDefaultMaterial, //its material
314 "World"); //its name
315
316 fPhysiWorld = new G4PVPlacement(0, //no rotation
317 G4ThreeVector(), //at (0,0,0)
318 "World", //its name
319 fLogicWorld, //its logical volume
320 nullptr, //its mother volume
321 false, //no boolean operation
322 0); //copy number
323
324 //*****************
325 // FULL LINE VOLUME
326 //*****************
327
328 fSolidVol = new G4Box("Vol",
329 10.*m/2,10.*m/2,(14025)*mm/2);
330
331 fLogicVol = new G4LogicalVolume(fSolidVol,
332 fDefaultMaterial,
333 "Vol");
334
335 fPhysiVol = new G4PVPlacement(0,
336 G4ThreeVector(0,0,-2012.5*mm),
337 "Vol",
338 fLogicVol,
339 fPhysiWorld,
340 false,
341 0);
342
343 // *************************************************
344 // Whole microbeam line at 10 deg contained in a box
345 // *************************************************
346
347 G4double PosX = fCiblePositionX*mm +( (6958.3/2-3.3)*std::sin(fLineAngle))*mm;
348 G4double PosZ = (fCiblePositionZ+2012.5)*mm - ((6958.3/2-3.3)*std::cos(fLineAngle))*mm;
349
350 // Adjust box absolute position
351
352 PosX = PosX + 1.3 * micrometer * std::cos(fLineAngle);
353 PosZ = PosZ + 1.3 * micrometer * std::sin(fLineAngle);
354
355 G4RotationMatrix *rot = new G4RotationMatrix();
356 // rot->rotateX(0*deg);
357 rot->rotateY(10*deg);
358 // rot->rotateZ(0*deg);
359
360 fSolidBoite = new G4Box("Boite", 4*cm, 4*cm, 6958.3*mm/2);
361
362 fLogicBoite = new G4LogicalVolume(fSolidBoite, fDefaultMaterial, "Boite");
363
364 fPhysiBoite = new G4PVPlacement(rot,
365 G4ThreeVector(PosX,0,PosZ),
366 "Boite",
367 fLogicBoite,
368 fPhysiVol,
369 false,
370 0);
371
372 //*********************************************************************
373 // OBJECT COLLIMATOR (after switching magnet, 5 micrometer in diameter)
374 //*********************************************************************
375
376 fCollObjSizeXY = 8*cm;
377 fCollObjSizeZ = 0.07*mm;
378
379 fSolidYoke1 = new G4Box("_CollObj_yoke1_", fCollObjSizeXY/2,fCollObjSizeXY/2,fCollObjSizeZ/2);
380
381 fLogicYoke1 = new G4LogicalVolume(fSolidYoke1, fCollimatorMaterial, "_CollObj_yoke1_");
382
383 fPhysiYoke1 = new G4PVPlacement( 0, G4ThreeVector(0,0,6958.3*mm/2-3.3*mm-6955*mm+0.07*mm/2), fLogicYoke1,
384 "_CollObj_yoke1_",fLogicBoite, false, 0);
385
386 // --> FIRST PART
387
388 fSolid1Gap = new G4Cons("_CollObj_gap1_", 0.*micrometer, 6*micrometer,
389 0.*micrometer,2.5*micrometer,
390 3.5*micrometer,
391 0, twopi);
392
393 fLogic1Gap = new G4LogicalVolume(fSolid1Gap, fDefaultMaterial, "_CollObj_gap1_");
394
395 fPhysi1Gap = new G4PVPlacement(0, G4ThreeVector(0,0,0.0315*mm), fLogic1Gap, "_CollObj_gap1_",
396 fLogicYoke1, false, 0);
397
398
399 // --> SECOND PART
400
401 fSolid2Gap = new G4Cons("_CollObj_gap2_", 0.*micrometer, 15*micrometer,
402 0.*micrometer,6*micrometer,
403 6.5*micrometer,
404 0, twopi);
405
406 fLogic2Gap = new G4LogicalVolume(fSolid2Gap, fDefaultMaterial, "_CollObj_gap2_");
407
408 fPhysi2Gap = new G4PVPlacement(0, G4ThreeVector(0,0,0.0215*mm), fLogic2Gap, "_CollObj_gap2_",
409 fLogicYoke1, false, 0);
410
411
412 // --> THIRD PART
413
414 fSolid3Gap = new G4Cons("_CollObj_gap3_", 0.*micrometer, 105*micrometer,
415 0.*micrometer,15*micrometer,
416 25*micrometer,
417 0, twopi);
418
419 fLogic3Gap = new G4LogicalVolume(fSolid3Gap, fDefaultMaterial, "_CollObj_gap3_");
420
421 fPhysi3Gap = new G4PVPlacement(0, G4ThreeVector(0,0,-0.010*mm), fLogic3Gap, "_CollObj_gap3_", fLogicYoke1,
422 false, 0);
423
424
425 //************************
426 // GAS DETECTOR COLLIMATOR
427 //************************
428
429 fSolidYoke2 = new G4Box("_CollDet_yoke_", 2.5*cm, 2.5*cm, 0.035*mm);
430
431 fLogicYoke2 = new G4LogicalVolume(fSolidYoke2, fCollimatorMaterial, "_CollDet_yoke_");
432
433 fPhysiYoke2 = new G4PVPlacement(0,
434 G4ThreeVector(0,0,6958.3*mm/2-0.3*mm-3*mm-0.004*mm-0.1*mm-1*mm-2.5*mm-0.070*mm/2),
435 fLogicYoke2, "_CollDet_yoke_", fLogicBoite, false, 0);
436
437 // --> FIRST PART
438
439 fSolid4Gap = new G4Cons("_CollDet_gap4_", 0.*micrometer, 8*micrometer,
440 0.*micrometer,5*micrometer,
441 7.5*micrometer,
442 0, twopi);
443
444 fLogic4Gap = new G4LogicalVolume(fSolid4Gap, fDefaultMaterial, "_CollDet_gap4_");
445
446 fPhysi4Gap = new G4PVPlacement(0, G4ThreeVector(0,0,0.0275*mm), fLogic4Gap, "_CollDet_gap4_",
447 fLogicYoke2, false, 0);
448
449 // --> SECOND PART
450
451 fSolid5Gap = new G4Cons("_CollDet_gap5_", 0.*micrometer, 105*micrometer,
452 0.*micrometer,8*micrometer,
453 27.5*micrometer,
454 0, twopi);
455
456 fLogic5Gap = new G4LogicalVolume(fSolid5Gap, fDefaultMaterial, "_CollDet_gap5_");
457
458 fPhysi5Gap = new G4PVPlacement(0,
459 G4ThreeVector(0,0,-0.0075*mm),
460 fLogic5Gap,
461 "_CollDet_gap5_",
462 fLogicYoke2,
463 false,
464 0);
465 // ************
466 // GAS DETECTOR
467 // ************
468
469 fSolidBoiteIso = new G4Box("Isobutane", 2.5*cm, 2.5*cm, 1.75*mm);
470
471 fLogicBoiteIso = new G4LogicalVolume(fSolidBoiteIso, fBoiteMaterial, "Isobutane");
472
473 fPhysiBoiteIso = new G4PVPlacement(0,
474 G4ThreeVector(0,0,6958.3*mm/2-0.3*mm-3*mm-0.004*mm-0.1*mm-3.5*mm/2),
475 "Isobutane",
476 fLogicBoiteIso,
477 fPhysiBoite,
478 false,
479 0);
480
481 // --> GAS DETECTOR END CAP
482
483 fSolidCathode = new G4Box("_Laiton_", 2.5*cm, 2.5*cm, 0.5*mm);
484
485 fLogicCathode = new G4LogicalVolume(fSolidCathode, fCathodeMaterial, "_Laiton_");
486
487 fPhysiCathode = new G4PVPlacement(0,
488 G4ThreeVector(0,0,1.25*mm),
489 "_Laiton_",
490 fLogicCathode,
491 fPhysiBoiteIso,
492 false, 0);
493
494 // --> ISOBUTANE GAS
495
496 fSolidIso = new G4Box("_Iso_", 1.*mm, 1.*mm, 0.499925*mm);
497
498 fLogicIso = new G4LogicalVolume(fSolidIso, fBoiteMaterial, "_Iso_");
499
500 fPhysiIso = new G4PVPlacement(0,
501 G4ThreeVector(0,0,-0.000075*mm),
502 "_Iso_",
503 fLogicIso,
504 fPhysiCathode,
505 false,
506 0);
507
508 // --> Si3N4 WINDOW
509
510 fSolidVerre = new G4Box("_Si3N4_", 0.5*mm, 0.5*mm, 0.075*micrometer);
511
512 fLogicVerre = new G4LogicalVolume(fSolidVerre, fVerreMaterial, "_Si3N4_");
513
514
515 fPhysiVerre = new G4PVPlacement(0,
516 G4ThreeVector(0,0,0.499925*mm),
517 "_Si3N4_",
518 fLogicVerre,
519 fPhysiCathode,
520 false,
521 0);
522 // *******
523 // AIR GAP
524 // *******
525
526 fSolidBoite2 = new G4Box("_Air_", 2.5*cm, 2.5*cm, 0.1*mm/2);
527
528 fLogicBoite2 = new G4LogicalVolume(fSolidBoite2, fBoite2Material, "_Air_");
529
530 fPhysiBoite2 = new G4PVPlacement(0,
531 G4ThreeVector(0,0,6958.3*mm/2-0.3*mm-3*mm-0.004*mm-0.1*mm/2),
532 "_Air_",
533 fLogicBoite2,
534 fPhysiBoite,
535 false,
536 0);
537
538 //*************
539 // CELL SUPPORT
540 //*************
541
542 fSolidBoite3 = new G4Box("Polyprop", 2.5*cm, 2.5*cm, 0.004*mm/2);
543
544 fLogicBoite3 = new G4LogicalVolume(fSolidBoite3, fBoite3Material, "Polyprop");
545
546 fPhysiBoite3 = new G4PVPlacement(0,
547 G4ThreeVector(0,0,6958.3*mm/2-0.3*mm-3*mm-0.004*mm/2),
548 "Polyprop",
549 fLogicBoite3,
550 fPhysiBoite,
551 false,
552 0);
553 //****
554 // KGM
555 //****
556
557 fSolidKgm = new G4Box("KGM", 2.5*cm, 2.5*cm, 3*mm/2);
558
559 fLogicKgm = new G4LogicalVolume(fSolidKgm, fKgmMaterial, "KGM");
560
561 fPhysiKgm = new G4PVPlacement(0,
562 G4ThreeVector(0,0,6958.3*mm/2-0.3*mm-3*mm/2),
563 "KGM",
564 fLogicKgm,
565 fPhysiBoite,
566 false,
567 0);
568
569 //*****************
570 // MICROSCOPE PLATE
571 //*****************
572
573 fSolidVerre2 = new G4Box("_Lame_", 2.5*cm, 2.5*cm, 0.150*mm);
574
575 fLogicVerre2 = new G4LogicalVolume(fSolidVerre2, fVerre2Material, "_Lame_");
576
577 fPhysiVerre2 = new G4PVPlacement(0,
578 G4ThreeVector(0,0,6958.3*mm/2-0.3*mm/2),
579 "_Lame_",
580 fLogicVerre2,
581 fPhysiBoite,
582 false,
583 0);
584
585 // **************
586 // CELL CYTOPLASM
587 // **************
588
589 // WITHIN KGM
590 /*
591 fSolidCyto=new G4Ellipsoid("CYTO",25*micrometer, 25*micrometer, 11*micrometer);
592
593 fLogicCyto=new G4LogicalVolume (fSolidCyto, fDefaultMaterial, "CYTO");
594
595 fPhysiCyto=new G4PVPlacement(0, G4ThreeVector(0,0,-1.5*mm+11*micrometer),"CYTO",fLogicCyto, fPhysiKgm, false, 0);
596 */
597
598 // ************
599 // CELL PHANTOM
600 // ************
601
602 fMyCellParameterisation = new CellParameterisation
603 (fNucleusMaterial1,fCytoplasmMaterial1,
604 fNucleusMaterial2,fCytoplasmMaterial2,
605 fNucleusMaterial3,fCytoplasmMaterial3);
606
607 fSolidPhantom = new G4Box("Phantom",
608 fMyCellParameterisation->GetPixelSizeX()/2,
609 fMyCellParameterisation->GetPixelSizeY()/2,
610 fMyCellParameterisation->GetPixelSizeZ()/2);
611
612 fLogicPhantom = new G4LogicalVolume(fSolidPhantom,fDefaultMaterial,"Phantom",0,0,0);
613
614 SetNbOfPixelsInPhantom (fMyCellParameterisation->GetPhantomTotalPixels());
615
616 SetMassNucleus(fMyCellParameterisation->GetNucleusMass());
617
618 SetMassCytoplasm(fMyCellParameterisation->GetCytoplasmMass());
619
620 fPhysiPhantom = new G4PVParameterised(
621 "Phantom", // their name
622 fLogicPhantom, // their logical volumr
623 //logicCyto, // Mother logical volume is Cyto
624 fLogicKgm, // Mother logical volume is Kgm
625 kUndefined, // Are placed along this axis
626 fMyCellParameterisation->GetPhantomTotalPixels(), // Number of boxes
627 fMyCellParameterisation,false); // The parametrisation
628
629 G4cout << " ==========> The phantom contains " << fMyCellParameterisation->GetPhantomTotalPixels() << " voxels " << G4endl;
630 G4cout << " ==========> Nucleus mass (kg)=" << fMyCellParameterisation->GetNucleusMass() / kg << G4endl;
631 G4cout << " ==========> Cytoplasm mass (kg)=" << fMyCellParameterisation->GetCytoplasmMass()/ kg << G4endl;
632 G4cout << " ==========> Voxel size X (um)=" << fMyCellParameterisation->GetPixelSizeX()/um << G4endl;
633 G4cout << " ==========> Voxel size Y (um)=" << fMyCellParameterisation->GetPixelSizeY()/um << G4endl;
634 G4cout << " ==========> Voxel size Z (um)=" << fMyCellParameterisation->GetPixelSizeZ()/um << G4endl;
635 G4cout << G4endl;
636
637 // VISUALISATION ATTRIBUTES (for phantom, see in Parameterisation class)
638
639 G4VisAttributes* simpleWorldVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); //White
640 simpleWorldVisAtt->SetVisibility(true);
641
642 G4VisAttributes* simplePlain= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); //White
643 simplePlain->SetVisibility(true);
644 simplePlain->SetForceSolid(true);
645
646 G4VisAttributes* simpleBoxAttLine= new G4VisAttributes(G4Colour(1.0,0.0,0.0));
647 simpleBoxAttLine->SetVisibility(true);
648
649 G4VisAttributes* simpleBoxAtt= new G4VisAttributes(G4Colour(1.0,1.0,0.0));
650 simpleBoxAtt->SetDaughtersInvisible(false);
651 simpleBoxAtt->SetForceSolid(false);
652
653 G4VisAttributes* simpleBoxAtt2= new G4VisAttributes(G4Colour(0.0,1.0,0.0));
654 simpleBoxAtt2->SetDaughtersInvisible(false);
655 simpleBoxAtt2->SetForceSolid(false);
656
657 G4VisAttributes* simpleBoxAttKGM= new G4VisAttributes(G4Colour(0.0,0.0,1.0));
658 simpleBoxAttKGM->SetDaughtersInvisible(false);
659 simpleBoxAttKGM->SetForceSolid(false);
660
661 G4VisAttributes* simpleBoxAttPropyl= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
662 simpleBoxAttPropyl->SetDaughtersInvisible(true);
663 simpleBoxAttPropyl->SetForceSolid(false);
664
665 G4VisAttributes* simpleBoxAttAir= new G4VisAttributes(G4Colour(0.0,1.0,0.0));
666 simpleBoxAttAir->SetDaughtersInvisible(true);
667 simpleBoxAttAir->SetForceSolid(false);
668
669 G4VisAttributes* simpleBoxAtt3= new G4VisAttributes(G4Colour(0.0,0.0,1.0));
670 simpleBoxAtt3->SetDaughtersInvisible(false);
671 simpleBoxAtt3->SetForceSolid(false);
672
673 fLogicYoke1->SetVisAttributes(simpleBoxAtt);
674 fLogic1Gap->SetVisAttributes(simpleBoxAtt);
675 fLogic2Gap->SetVisAttributes(simpleBoxAtt);
676 fLogic3Gap->SetVisAttributes(simpleBoxAtt);
677 fLogicYoke2->SetVisAttributes(simpleBoxAtt);
678 fLogic4Gap->SetVisAttributes(simpleBoxAtt);
679 fLogic5Gap->SetVisAttributes(simpleBoxAtt);
680 fLogicBoite->SetVisAttributes(simpleBoxAttLine);
681 fLogicCathode->SetVisAttributes(simpleBoxAttPropyl);
682 fLogicIso->SetVisAttributes(simpleBoxAttPropyl);
683 fLogicBoiteIso->SetVisAttributes(simpleBoxAttPropyl);
684 fLogicVerre->SetVisAttributes(simpleBoxAtt);
685 fLogicBoite2->SetVisAttributes(simpleBoxAttAir);
686 fLogicBoite3->SetVisAttributes(simpleBoxAtt);
687 fLogicKgm->SetVisAttributes(simpleBoxAttKGM);
688 fLogicVerre2->SetVisAttributes(simpleBoxAtt);
689
690 return fPhysiWorld;
691 }
692
693 void DetectorConstruction::ConstructSDandField()
694 {
695 EMField* field = new EMField();
696 G4AutoDelete::Register(field);
697
698 G4EqMagElectricField* fEquation = new G4EqMagElectricField(field);
699 G4MagIntegratorStepper* fStepper = new G4ClassicalRK4 (fEquation,8);
700 G4FieldManager* fFieldMgr =
701 G4TransportationManager::GetTransportationManager()->GetFieldManager();
702
703 // Relaxed
704 G4MagInt_Driver* fIntgrDriver =
705 new G4MagInt_Driver(1*mm,fStepper,fStepper->GetNumberOfVariables() );
706
707 G4ChordFinder* fChordFinder = new G4ChordFinder(fIntgrDriver);
708 fFieldMgr->SetChordFinder(fChordFinder);
709 fFieldMgr->SetDetectorField(field);
710
711 // FOLLOWING PARAMETERS TUNED FROM RAY-TRACING SIMULATIONS OF THE AIFIRA NANOBEAM LINE
712 /*
713 fFieldMgr->GetChordFinder()->SetDeltaChord(1e-9*m);
714 fFieldMgr->SetDeltaIntersection(1e-9*m);
715 fFieldMgr->SetDeltaOneStep(1e-9*m);
716
717 fPropInField =
718 G4TransportationManager::GetTransportationManager()->GetPropagatorInField();
719 fPropInField->SetMinimumEpsilonStep(1e-16); // instead of 11
720 fPropInField->SetMaximumEpsilonStep(1e-15); // instead of 10
721 */
722 }
723