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25 // 25 //
26 ////////////////////////////////////////////// 26 ////////////////////////////////////////////////////////////////////////
27 // Optical Photon Boundary Process Class Imple 27 // Optical Photon Boundary Process Class Implementation
28 ////////////////////////////////////////////// 28 ////////////////////////////////////////////////////////////////////////
29 // 29 //
30 // File: G4OpBoundaryProcess.cc 30 // File: G4OpBoundaryProcess.cc
31 // Description: Discrete Process -- reflection 31 // Description: Discrete Process -- reflection/refraction at
32 // optical in 32 // optical interfaces
33 // Version: 1.1 33 // Version: 1.1
34 // Created: 1997-06-18 34 // Created: 1997-06-18
35 // Modified: 1998-05-25 - Correct parallel 35 // Modified: 1998-05-25 - Correct parallel component of polarization
36 // (thanks to: Stefa 36 // (thanks to: Stefano Magni + Giovanni Pieri)
37 // 1998-05-28 - NULL Rindex point 37 // 1998-05-28 - NULL Rindex pointer before reuse
38 // (thanks to: Stefa 38 // (thanks to: Stefano Magni)
39 // 1998-06-11 - delete *sint1 in 39 // 1998-06-11 - delete *sint1 in oblique reflection
40 // (thanks to: Giova 40 // (thanks to: Giovanni Pieri)
41 // 1998-06-19 - move from GetLoca << 41 // 1998-06-19 - move from GetLocalExitNormal() to the new
42 // method: GetLocalE 42 // method: GetLocalExitNormal(&valid) to get
43 // the surface norma 43 // the surface normal in all cases
44 // 1998-11-07 - NULL OpticalSurfa 44 // 1998-11-07 - NULL OpticalSurface pointer before use
45 // comparison not sh 45 // comparison not sharp for: std::abs(cost1) < 1.0
46 // remove sin1, sin2 46 // remove sin1, sin2 in lines 556,567
47 // (thanks to Stefan 47 // (thanks to Stefano Magni)
48 // 1999-10-10 - Accommodate chang 48 // 1999-10-10 - Accommodate changes done in DoAbsorption by
49 // changing logic in 49 // changing logic in DielectricMetal
50 // 2001-10-18 - avoid Linux (gcc- 50 // 2001-10-18 - avoid Linux (gcc-2.95.2) warning about variables
51 // might be used uni 51 // might be used uninitialized in this function
52 // moved E2_perp, E2 52 // moved E2_perp, E2_parl and E2_total out of 'if'
53 // 2003-11-27 - Modified line 168 53 // 2003-11-27 - Modified line 168-9 to reflect changes made to
54 // G4OpticalSurface 54 // G4OpticalSurface class ( by Fan Lei)
55 // 2004-02-02 - Set theStatus = U 55 // 2004-02-02 - Set theStatus = Undefined at start of DoIt
56 // 2005-07-28 - add G4ProcessType 56 // 2005-07-28 - add G4ProcessType to constructor
57 // 2006-11-04 - add capability of 57 // 2006-11-04 - add capability of calculating the reflectivity
58 // off a metal surfa << 58 // off a metal surface by way of a complex index
59 // of refraction - T << 59 // of refraction - Thanks to Sehwook Lee and John
60 // Hauptman (Dept. o 60 // Hauptman (Dept. of Physics - Iowa State Univ.)
61 // 2009-11-10 - add capability of 61 // 2009-11-10 - add capability of simulating surface reflections
62 // with Look-Up-Tabl 62 // with Look-Up-Tables (LUT) containing measured
63 // optical reflectan 63 // optical reflectance for a variety of surface
64 // treatments - Than 64 // treatments - Thanks to Martin Janecek and
65 // William Moses (La 65 // William Moses (Lawrence Berkeley National Lab.)
66 // 2013-06-01 - add the capabilit 66 // 2013-06-01 - add the capability of simulating the transmission
67 // of a dichronic fi 67 // of a dichronic filter
68 // 2017-02-24 - add capability of <<
69 // with Look-Up-Tabl <<
70 // 68 //
71 // Author: Peter Gumplinger 69 // Author: Peter Gumplinger
72 // adopted from work by Werner Keil - April 70 // adopted from work by Werner Keil - April 2/96
>> 71 // mail: gum@triumf.ca
73 // 72 //
74 ////////////////////////////////////////////// 73 ////////////////////////////////////////////////////////////////////////
75 74
76 #include "G4OpBoundaryProcess.hh" <<
77 <<
78 #include "G4ios.hh" 75 #include "G4ios.hh"
79 #include "G4GeometryTolerance.hh" << 76 #include "G4PhysicalConstants.hh"
80 #include "G4LogicalBorderSurface.hh" <<
81 #include "G4LogicalSkinSurface.hh" <<
82 #include "G4OpProcessSubType.hh" 77 #include "G4OpProcessSubType.hh"
83 #include "G4OpticalParameters.hh" << 78
>> 79 #include "G4OpBoundaryProcess.hh"
>> 80 #include "G4GeometryTolerance.hh"
>> 81
>> 82 #include "G4VSensitiveDetector.hh"
84 #include "G4ParallelWorldProcess.hh" 83 #include "G4ParallelWorldProcess.hh"
85 #include "G4PhysicalConstants.hh" << 84
86 #include "G4SystemOfUnits.hh" 85 #include "G4SystemOfUnits.hh"
87 #include "G4TransportationManager.hh" <<
88 #include "G4VSensitiveDetector.hh" <<
89 86
90 //....oooOO0OOooo........oooOO0OOooo........oo << 87 /////////////////////////
>> 88 // Class Implementation
>> 89 /////////////////////////
>> 90
>> 91 //////////////
>> 92 // Operators
>> 93 //////////////
>> 94
>> 95 // G4OpBoundaryProcess::operator=(const G4OpBoundaryProcess &right)
>> 96 // {
>> 97 // }
>> 98
>> 99 /////////////////
>> 100 // Constructors
>> 101 /////////////////
>> 102
91 G4OpBoundaryProcess::G4OpBoundaryProcess(const 103 G4OpBoundaryProcess::G4OpBoundaryProcess(const G4String& processName,
92 G4Pro << 104 G4ProcessType type)
93 : G4VDiscreteProcess(processName, ptype) << 105 : G4VDiscreteProcess(processName, type)
94 { 106 {
95 Initialise(); << 107 if ( verboseLevel > 0) {
>> 108 G4cout << GetProcessName() << " is created " << G4endl;
>> 109 }
96 110
97 if(verboseLevel > 0) << 111 SetProcessSubType(fOpBoundary);
98 { <<
99 G4cout << GetProcessName() << " is created <<
100 } <<
101 SetProcessSubType(fOpBoundary); <<
102 112
103 fStatus = Undefined; << 113 theStatus = Undefined;
104 fModel = glisur; << 114 theModel = glisur;
105 fFinish = polished; << 115 theFinish = polished;
106 fReflectivity = 1.; << 116 theReflectivity = 1.;
107 fEfficiency = 0.; << 117 theEfficiency = 0.;
108 fTransmittance = 0.; << 118 theTransmittance = 0.;
109 fSurfaceRoughness = 0.; <<
110 fProb_sl = 0.; <<
111 fProb_ss = 0.; <<
112 fProb_bs = 0.; <<
113 <<
114 fRealRIndexMPV = nullptr; <<
115 fImagRIndexMPV = nullptr; <<
116 fMaterial1 = nullptr; <<
117 fMaterial2 = nullptr; <<
118 fOpticalSurface = nullptr; <<
119 fCarTolerance = G4GeometryTolerance::GetIn <<
120 <<
121 f_iTE = f_iTM = 0; <<
122 fPhotonMomentum = 0.; <<
123 fRindex1 = fRindex2 = 1.; <<
124 fSint1 = 0.; <<
125 fDichroicVector = nullptr; <<
126 } <<
127 119
128 //....oooOO0OOooo........oooOO0OOooo........oo << 120 theSurfaceRoughness = 0.;
129 G4OpBoundaryProcess::~G4OpBoundaryProcess() = <<
130 121
131 //....oooOO0OOooo........oooOO0OOooo........oo << 122 prob_sl = 0.;
132 void G4OpBoundaryProcess::PreparePhysicsTable( << 123 prob_ss = 0.;
133 { << 124 prob_bs = 0.;
134 Initialise(); <<
135 } <<
136 125
137 //....oooOO0OOooo........oooOO0OOooo........oo << 126 PropertyPointer = NULL;
138 void G4OpBoundaryProcess::Initialise() << 127 PropertyPointer1 = NULL;
139 { << 128 PropertyPointer2 = NULL;
140 G4OpticalParameters* params = G4OpticalParam <<
141 SetInvokeSD(params->GetBoundaryInvokeSD()); <<
142 SetVerboseLevel(params->GetBoundaryVerboseLe <<
143 } <<
144 129
145 //....oooOO0OOooo........oooOO0OOooo........oo << 130 Material1 = NULL;
146 G4VParticleChange* G4OpBoundaryProcess::PostSt << 131 Material2 = NULL;
147 <<
148 { <<
149 fStatus = Undefined; <<
150 aParticleChange.Initialize(aTrack); <<
151 aParticleChange.ProposeVelocity(aTrack.GetVe <<
152 <<
153 // Get hyperStep from G4ParallelWorldProces <<
154 // NOTE: PostSetpDoIt of this process to be <<
155 // G4ParallelWorldProcess! <<
156 const G4Step* pStep = &aStep; <<
157 const G4Step* hStep = G4ParallelWorldProcess <<
158 if(hStep != nullptr) <<
159 pStep = hStep; <<
160 <<
161 if(pStep->GetPostStepPoint()->GetStepStatus( <<
162 { <<
163 fMaterial1 = pStep->GetPreStepPoint()->Get <<
164 fMaterial2 = pStep->GetPostStepPoint()->Ge <<
165 } <<
166 else <<
167 { <<
168 fStatus = NotAtBoundary; <<
169 if(verboseLevel > 1) <<
170 BoundaryProcessVerbose(); <<
171 return G4VDiscreteProcess::PostStepDoIt(aT <<
172 } <<
173 132
174 G4VPhysicalVolume* thePrePV = pStep->GetPre << 133 OpticalSurface = NULL;
175 G4VPhysicalVolume* thePostPV = pStep->GetPos <<
176 134
177 if(verboseLevel > 1) << 135 kCarTolerance = G4GeometryTolerance::GetInstance()
178 { << 136 ->GetSurfaceTolerance();
179 G4cout << " Photon at Boundary! " << G4end <<
180 if(thePrePV != nullptr) <<
181 G4cout << " thePrePV: " << thePrePV->Ge <<
182 if(thePostPV != nullptr) <<
183 G4cout << " thePostPV: " << thePostPV->G <<
184 } <<
185 137
186 G4double stepLength = aTrack.GetStepLength() << 138 iTE = iTM = 0;
187 if(stepLength <= fCarTolerance) << 139 thePhotonMomentum = 0.;
188 { << 140 Rindex1 = Rindex2 = cost1 = cost2 = sint1 = sint2 = 0.;
189 fStatus = StepTooSmall; <<
190 if(verboseLevel > 1) <<
191 BoundaryProcessVerbose(); <<
192 <<
193 G4MaterialPropertyVector* groupvel = nullp <<
194 G4MaterialPropertiesTable* aMPT = fMateria <<
195 if(aMPT != nullptr) <<
196 { <<
197 groupvel = aMPT->GetProperty(kGROUPVEL); <<
198 } <<
199 <<
200 if(groupvel != nullptr) <<
201 { <<
202 aParticleChange.ProposeVelocity( <<
203 groupvel->Value(fPhotonMomentum, idx_g <<
204 } <<
205 return G4VDiscreteProcess::PostStepDoIt(aT <<
206 } <<
207 else if (stepLength <= 10.*fCarTolerance && <<
208 { // see bug 2510 <<
209 ++fNumSmallStepWarnings; <<
210 if(verboseLevel > 0) <<
211 { <<
212 G4ExceptionDescription ed; <<
213 ed << "G4OpBoundaryProcess: " <<
214 << "Opticalphoton step length: " << s <<
215 << "This is larger than the threshold <<
216 "to set status StepTooSmall." << G <<
217 << "Boundary scattering may be incorr <<
218 if(fNumSmallStepWarnings == 10) <<
219 { <<
220 ed << G4endl << "*** Step size warning <<
221 } <<
222 G4Exception("G4OpBoundaryProcess", "OpBo <<
223 } <<
224 } <<
225 141
226 const G4DynamicParticle* aParticle = aTrack. << 142 idx = idy = 0;
>> 143 DichroicVector = NULL;
>> 144 }
227 145
228 fPhotonMomentum = aParticle->GetTotalMoment << 146 // G4OpBoundaryProcess::G4OpBoundaryProcess(const G4OpBoundaryProcess &right)
229 fOldMomentum = aParticle->GetMomentumDir << 147 // {
230 fOldPolarization = aParticle->GetPolarizatio << 148 // }
231 << 149
232 if(verboseLevel > 1) << 150 ////////////////
233 { << 151 // Destructors
234 G4cout << " Old Momentum Direction: " << f << 152 ////////////////
235 << " Old Polarization: " << f << 153
236 } << 154 G4OpBoundaryProcess::~G4OpBoundaryProcess(){}
>> 155
>> 156 ////////////
>> 157 // Methods
>> 158 ////////////
237 159
238 G4ThreeVector theGlobalPoint = pStep->GetPos << 160 // PostStepDoIt
239 G4bool valid; << 161 // ------------
>> 162 //
240 163
241 // ID of Navigator which limits step << 164 G4VParticleChange*
242 G4int hNavId = G4ParallelWorldProcess::GetHy << 165 G4OpBoundaryProcess::PostStepDoIt(const G4Track& aTrack, const G4Step& aStep)
243 auto iNav = G4TransportationManager::GetT << 166 {
244 ->GetActiveNavigatorsIterator( << 167 theStatus = Undefined;
245 fGlobalNormal = (iNav[hNavId])->GetGlobalExi <<
246 <<
247 if(valid) <<
248 { <<
249 fGlobalNormal = -fGlobalNormal; <<
250 } <<
251 else <<
252 { <<
253 G4ExceptionDescription ed; <<
254 ed << " G4OpBoundaryProcess/PostStepDoIt() <<
255 << " The Navigator reports that it retu <<
256 G4Exception( <<
257 "G4OpBoundaryProcess::PostStepDoIt", "Op <<
258 "Invalid Surface Normal - Geometry must <<
259 } <<
260 168
261 if(fOldMomentum * fGlobalNormal > 0.0) << 169 aParticleChange.Initialize(aTrack);
262 { << 170 aParticleChange.ProposeVelocity(aTrack.GetVelocity());
263 #ifdef G4OPTICAL_DEBUG <<
264 G4ExceptionDescription ed; <<
265 ed << " G4OpBoundaryProcess/PostStepDoIt() <<
266 "wrong direction. " <<
267 << G4endl <<
268 << " The momentum of the photon arriv <<
269 << " must exit the volume cross in th <<
270 << " So it MUST have dot < 0 with the <<
271 "volume (globalNormal)." <<
272 << G4endl << " >> The dot product of <<
273 << fOldMomentum * fGlobalNormal << G4en <<
274 << " Old Momentum (during step) <<
275 << " Global Normal (Exiting New Vol <<
276 << G4endl; <<
277 G4Exception("G4OpBoundaryProcess::PostStep <<
278 EventMustBeAborted, // Or Jus <<
279 // repeat <<
280 ed, <<
281 "Invalid Surface Normal - Geom <<
282 "normal pointing in the right <<
283 #else <<
284 fGlobalNormal = -fGlobalNormal; <<
285 #endif <<
286 } <<
287 171
288 G4MaterialPropertyVector* rIndexMPV = nullpt << 172 // Get hyperStep from G4ParallelWorldProcess
289 G4MaterialPropertiesTable* MPT = fMaterial1- << 173 // NOTE: PostSetpDoIt of this process should be
290 if(MPT != nullptr) << 174 // invoked after G4ParallelWorldProcess!
291 { <<
292 rIndexMPV = MPT->GetProperty(kRINDEX); <<
293 } <<
294 if(rIndexMPV != nullptr) <<
295 { <<
296 fRindex1 = rIndexMPV->Value(fPhotonMomentu <<
297 } <<
298 else <<
299 { <<
300 fStatus = NoRINDEX; <<
301 if(verboseLevel > 1) <<
302 BoundaryProcessVerbose(); <<
303 aParticleChange.ProposeLocalEnergyDeposit( <<
304 aParticleChange.ProposeTrackStatus(fStopAn <<
305 return G4VDiscreteProcess::PostStepDoIt(aT <<
306 } <<
307 175
308 fReflectivity = 1.; << 176 const G4Step* pStep = &aStep;
309 fEfficiency = 0.; <<
310 fTransmittance = 0.; <<
311 fSurfaceRoughness = 0.; <<
312 fModel = glisur; <<
313 fFinish = polished; <<
314 G4SurfaceType type = dielectric_dielectric; <<
315 <<
316 rIndexMPV = nullptr; <<
317 fOpticalSurface = nullptr; <<
318 <<
319 G4LogicalSurface* surface = <<
320 G4LogicalBorderSurface::GetSurface(thePreP <<
321 if(surface == nullptr) <<
322 { <<
323 if(thePostPV->GetMotherLogical() == thePre <<
324 { <<
325 surface = G4LogicalSkinSurface::GetSurfa <<
326 if(surface == nullptr) <<
327 { <<
328 surface = <<
329 G4LogicalSkinSurface::GetSurface(the <<
330 } <<
331 } <<
332 else <<
333 { <<
334 surface = G4LogicalSkinSurface::GetSurfa <<
335 if(surface == nullptr) <<
336 { <<
337 surface = <<
338 G4LogicalSkinSurface::GetSurface(the <<
339 } <<
340 } <<
341 } <<
342 177
343 if(surface != nullptr) << 178 const G4Step* hStep = G4ParallelWorldProcess::GetHyperStep();
344 { << 179
345 fOpticalSurface = << 180 if (hStep) pStep = hStep;
346 dynamic_cast<G4OpticalSurface*>(surface- <<
347 } <<
348 if(fOpticalSurface != nullptr) <<
349 { <<
350 type = fOpticalSurface->GetType(); <<
351 fModel = fOpticalSurface->GetModel(); <<
352 fFinish = fOpticalSurface->GetFinish(); <<
353 <<
354 G4MaterialPropertiesTable* sMPT = <<
355 fOpticalSurface->GetMaterialPropertiesTa <<
356 if(sMPT != nullptr) <<
357 { <<
358 if(fFinish == polishedbackpainted || fFi <<
359 { <<
360 rIndexMPV = sMPT->GetProperty(kRINDEX) <<
361 if(rIndexMPV != nullptr) <<
362 { <<
363 fRindex2 = rIndexMPV->Value(fPhotonM <<
364 } <<
365 else <<
366 { <<
367 fStatus = NoRINDEX; <<
368 if(verboseLevel > 1) <<
369 BoundaryProcessVerbose(); <<
370 aParticleChange.ProposeLocalEnergyDe <<
371 aParticleChange.ProposeTrackStatus(f <<
372 return G4VDiscreteProcess::PostStepD <<
373 } <<
374 } <<
375 181
376 fRealRIndexMPV = sMPT->GetProperty(kREAL << 182 G4bool isOnBoundary =
377 fImagRIndexMPV = sMPT->GetProperty(kIMAG << 183 (pStep->GetPostStepPoint()->GetStepStatus() == fGeomBoundary);
378 f_iTE = f_iTM = 1; << 184
379 << 185 if (isOnBoundary) {
380 G4MaterialPropertyVector* pp; << 186 Material1 = pStep->GetPreStepPoint()->GetMaterial();
381 if((pp = sMPT->GetProperty(kREFLECTIVITY << 187 Material2 = pStep->GetPostStepPoint()->GetMaterial();
382 { << 188 } else {
383 fReflectivity = pp->Value(fPhotonMomen << 189 theStatus = NotAtBoundary;
384 } << 190 if ( verboseLevel > 0) BoundaryProcessVerbose();
385 else if(fRealRIndexMPV && fImagRIndexMPV << 191 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
386 { <<
387 CalculateReflectivity(); <<
388 } <<
389 <<
390 if((pp = sMPT->GetProperty(kEFFICIENCY)) <<
391 { <<
392 fEfficiency = pp->Value(fPhotonMomentu <<
393 } <<
394 if((pp = sMPT->GetProperty(kTRANSMITTANC <<
395 { <<
396 fTransmittance = pp->Value(fPhotonMome <<
397 } <<
398 if(sMPT->ConstPropertyExists(kSURFACEROU <<
399 { <<
400 fSurfaceRoughness = sMPT->GetConstProp <<
401 } <<
402 <<
403 if(fModel == unified) <<
404 { <<
405 fProb_sl = (pp = sMPT->GetProperty(kSP <<
406 ? pp->Value(fPhotonMoment <<
407 : 0.; <<
408 fProb_ss = (pp = sMPT->GetProperty(kSP <<
409 ? pp->Value(fPhotonMoment <<
410 : 0.; <<
411 fProb_bs = (pp = sMPT->GetProperty(kBA <<
412 ? pp->Value(fPhotonMoment <<
413 : 0.; <<
414 } <<
415 } // end of if(sMPT) <<
416 else if(fFinish == polishedbackpainted || <<
417 { <<
418 aParticleChange.ProposeLocalEnergyDeposi <<
419 aParticleChange.ProposeTrackStatus(fStop <<
420 return G4VDiscreteProcess::PostStepDoIt( <<
421 } <<
422 } // end of if(fOpticalSurface) <<
423 <<
424 // DIELECTRIC-DIELECTRIC <<
425 if(type == dielectric_dielectric) <<
426 { <<
427 if(fFinish == polished || fFinish == groun <<
428 { <<
429 if(fMaterial1 == fMaterial2) <<
430 { <<
431 fStatus = SameMaterial; <<
432 if(verboseLevel > 1) <<
433 BoundaryProcessVerbose(); <<
434 return G4VDiscreteProcess::PostStepDoI <<
435 } <<
436 MPT = fMaterial2->GetMaterialPrope <<
437 rIndexMPV = nullptr; <<
438 if(MPT != nullptr) <<
439 { <<
440 rIndexMPV = MPT->GetProperty(kRINDEX); <<
441 } <<
442 if(rIndexMPV != nullptr) <<
443 { <<
444 fRindex2 = rIndexMPV->Value(fPhotonMom <<
445 } <<
446 else <<
447 { <<
448 fStatus = NoRINDEX; <<
449 if(verboseLevel > 1) <<
450 BoundaryProcessVerbose(); <<
451 aParticleChange.ProposeLocalEnergyDepo <<
452 aParticleChange.ProposeTrackStatus(fSt <<
453 return G4VDiscreteProcess::PostStepDoI <<
454 } <<
455 } <<
456 if(fFinish == polishedbackpainted || fFini <<
457 { <<
458 DielectricDielectric(); <<
459 } <<
460 else <<
461 { <<
462 G4double rand = G4UniformRand(); <<
463 if(rand > fReflectivity + fTransmittance <<
464 { <<
465 DoAbsorption(); <<
466 } <<
467 else if(rand > fReflectivity) <<
468 { <<
469 fStatus = Transmission; <<
470 fNewMomentum = fOldMomentum; <<
471 fNewPolarization = fOldPolarization; <<
472 } <<
473 else <<
474 { <<
475 if(fFinish == polishedfrontpainted) <<
476 { <<
477 DoReflection(); <<
478 } <<
479 else if(fFinish == groundfrontpainted) <<
480 { <<
481 fStatus = LambertianReflection; <<
482 DoReflection(); <<
483 } <<
484 else <<
485 { <<
486 DielectricDielectric(); <<
487 } 192 }
488 } << 193
489 } << 194 G4VPhysicalVolume* thePrePV =
490 } << 195 pStep->GetPreStepPoint() ->GetPhysicalVolume();
491 else if(type == dielectric_metal) << 196 G4VPhysicalVolume* thePostPV =
492 { << 197 pStep->GetPostStepPoint()->GetPhysicalVolume();
493 DielectricMetal(); << 198
494 } << 199 if ( verboseLevel > 0 ) {
495 else if(type == dielectric_LUT) << 200 G4cout << " Photon at Boundary! " << G4endl;
496 { << 201 if (thePrePV) G4cout << " thePrePV: " << thePrePV->GetName() << G4endl;
497 DielectricLUT(); << 202 if (thePostPV) G4cout << " thePostPV: " << thePostPV->GetName() << G4endl;
498 } <<
499 else if(type == dielectric_LUTDAVIS) <<
500 { <<
501 DielectricLUTDAVIS(); <<
502 } <<
503 else if(type == dielectric_dichroic) <<
504 { <<
505 DielectricDichroic(); <<
506 } <<
507 else if(type == coated) <<
508 { <<
509 CoatedDielectricDielectric(); <<
510 } <<
511 else <<
512 { <<
513 if(fNumBdryTypeWarnings <= 10) <<
514 { <<
515 ++fNumBdryTypeWarnings; <<
516 if(verboseLevel > 0) <<
517 { <<
518 G4ExceptionDescription ed; <<
519 ed << " PostStepDoIt(): Illegal bounda <<
520 if(fNumBdryTypeWarnings == 10) <<
521 { <<
522 ed << "** Boundary type warnings sto <<
523 } 203 }
524 G4Exception("G4OpBoundaryProcess", "Op <<
525 } <<
526 } <<
527 return G4VDiscreteProcess::PostStepDoIt(aT <<
528 } <<
529 204
530 fNewMomentum = fNewMomentum.unit(); << 205 if (aTrack.GetStepLength()<=kCarTolerance/2){
531 fNewPolarization = fNewPolarization.unit(); << 206 theStatus = StepTooSmall;
>> 207 if ( verboseLevel > 0) BoundaryProcessVerbose();
>> 208 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 209 }
532 210
533 if(verboseLevel > 1) << 211 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
534 { <<
535 G4cout << " New Momentum Direction: " << f <<
536 << " New Polarization: " << f <<
537 BoundaryProcessVerbose(); <<
538 } <<
539 212
540 aParticleChange.ProposeMomentumDirection(fNe << 213 thePhotonMomentum = aParticle->GetTotalMomentum();
541 aParticleChange.ProposePolarization(fNewPola << 214 OldMomentum = aParticle->GetMomentumDirection();
>> 215 OldPolarization = aParticle->GetPolarization();
542 216
543 if(fStatus == FresnelRefraction || fStatus = << 217 if ( verboseLevel > 0 ) {
544 { << 218 G4cout << " Old Momentum Direction: " << OldMomentum << G4endl;
545 // not all surface types check that fMater << 219 G4cout << " Old Polarization: " << OldPolarization << G4endl;
546 G4MaterialPropertiesTable* aMPT = fMateria << 220 }
547 G4MaterialPropertyVector* groupvel = nullp <<
548 if(aMPT != nullptr) <<
549 { <<
550 groupvel = aMPT->GetProperty(kGROUPVEL); <<
551 } <<
552 if(groupvel != nullptr) <<
553 { <<
554 aParticleChange.ProposeVelocity( <<
555 groupvel->Value(fPhotonMomentum, idx_g <<
556 } <<
557 } <<
558 221
559 if(fStatus == Detection && fInvokeSD) << 222 G4ThreeVector theGlobalPoint = pStep->GetPostStepPoint()->GetPosition();
560 InvokeSD(pStep); <<
561 return G4VDiscreteProcess::PostStepDoIt(aTra <<
562 } <<
563 223
564 //....oooOO0OOooo........oooOO0OOooo........oo << 224 G4bool valid;
565 void G4OpBoundaryProcess::BoundaryProcessVerbo << 225 // Use the new method for Exit Normal in global coordinates,
566 { << 226 // which provides the normal more reliably.
567 G4cout << " *** "; <<
568 if(fStatus == Undefined) <<
569 G4cout << "Undefined"; <<
570 else if(fStatus == Transmission) <<
571 G4cout << "Transmission"; <<
572 else if(fStatus == FresnelRefraction) <<
573 G4cout << "FresnelRefraction"; <<
574 else if(fStatus == FresnelReflection) <<
575 G4cout << "FresnelReflection"; <<
576 else if(fStatus == TotalInternalReflection) <<
577 G4cout << "TotalInternalReflection"; <<
578 else if(fStatus == LambertianReflection) <<
579 G4cout << "LambertianReflection"; <<
580 else if(fStatus == LobeReflection) <<
581 G4cout << "LobeReflection"; <<
582 else if(fStatus == SpikeReflection) <<
583 G4cout << "SpikeReflection"; <<
584 else if(fStatus == BackScattering) <<
585 G4cout << "BackScattering"; <<
586 else if(fStatus == PolishedLumirrorAirReflec <<
587 G4cout << "PolishedLumirrorAirReflection"; <<
588 else if(fStatus == PolishedLumirrorGlueRefle <<
589 G4cout << "PolishedLumirrorGlueReflection" <<
590 else if(fStatus == PolishedAirReflection) <<
591 G4cout << "PolishedAirReflection"; <<
592 else if(fStatus == PolishedTeflonAirReflecti <<
593 G4cout << "PolishedTeflonAirReflection"; <<
594 else if(fStatus == PolishedTiOAirReflection) <<
595 G4cout << "PolishedTiOAirReflection"; <<
596 else if(fStatus == PolishedTyvekAirReflectio <<
597 G4cout << "PolishedTyvekAirReflection"; <<
598 else if(fStatus == PolishedVM2000AirReflecti <<
599 G4cout << "PolishedVM2000AirReflection"; <<
600 else if(fStatus == PolishedVM2000GlueReflect <<
601 G4cout << "PolishedVM2000GlueReflection"; <<
602 else if(fStatus == EtchedLumirrorAirReflecti <<
603 G4cout << "EtchedLumirrorAirReflection"; <<
604 else if(fStatus == EtchedLumirrorGlueReflect <<
605 G4cout << "EtchedLumirrorGlueReflection"; <<
606 else if(fStatus == EtchedAirReflection) <<
607 G4cout << "EtchedAirReflection"; <<
608 else if(fStatus == EtchedTeflonAirReflection <<
609 G4cout << "EtchedTeflonAirReflection"; <<
610 else if(fStatus == EtchedTiOAirReflection) <<
611 G4cout << "EtchedTiOAirReflection"; <<
612 else if(fStatus == EtchedTyvekAirReflection) <<
613 G4cout << "EtchedTyvekAirReflection"; <<
614 else if(fStatus == EtchedVM2000AirReflection <<
615 G4cout << "EtchedVM2000AirReflection"; <<
616 else if(fStatus == EtchedVM2000GlueReflectio <<
617 G4cout << "EtchedVM2000GlueReflection"; <<
618 else if(fStatus == GroundLumirrorAirReflecti <<
619 G4cout << "GroundLumirrorAirReflection"; <<
620 else if(fStatus == GroundLumirrorGlueReflect <<
621 G4cout << "GroundLumirrorGlueReflection"; <<
622 else if(fStatus == GroundAirReflection) <<
623 G4cout << "GroundAirReflection"; <<
624 else if(fStatus == GroundTeflonAirReflection <<
625 G4cout << "GroundTeflonAirReflection"; <<
626 else if(fStatus == GroundTiOAirReflection) <<
627 G4cout << "GroundTiOAirReflection"; <<
628 else if(fStatus == GroundTyvekAirReflection) <<
629 G4cout << "GroundTyvekAirReflection"; <<
630 else if(fStatus == GroundVM2000AirReflection <<
631 G4cout << "GroundVM2000AirReflection"; <<
632 else if(fStatus == GroundVM2000GlueReflectio <<
633 G4cout << "GroundVM2000GlueReflection"; <<
634 else if(fStatus == Absorption) <<
635 G4cout << "Absorption"; <<
636 else if(fStatus == Detection) <<
637 G4cout << "Detection"; <<
638 else if(fStatus == NotAtBoundary) <<
639 G4cout << "NotAtBoundary"; <<
640 else if(fStatus == SameMaterial) <<
641 G4cout << "SameMaterial"; <<
642 else if(fStatus == StepTooSmall) <<
643 G4cout << "StepTooSmall"; <<
644 else if(fStatus == NoRINDEX) <<
645 G4cout << "NoRINDEX"; <<
646 else if(fStatus == Dichroic) <<
647 G4cout << "Dichroic Transmission"; <<
648 else if(fStatus == CoatedDielectricReflectio <<
649 G4cout << "Coated Dielectric Reflection"; <<
650 else if(fStatus == CoatedDielectricRefractio <<
651 G4cout << "Coated Dielectric Refraction"; <<
652 else if(fStatus == CoatedDielectricFrustrate <<
653 G4cout << "Coated Dielectric Frustrated Tr <<
654 227
655 G4cout << " ***" << G4endl; << 228 // ID of Navigator which limits step
656 } <<
657 229
658 //....oooOO0OOooo........oooOO0OOooo........oo << 230 G4int hNavId = G4ParallelWorldProcess::GetHypNavigatorID();
659 G4ThreeVector G4OpBoundaryProcess::GetFacetNor << 231 std::vector<G4Navigator*>::iterator iNav =
660 const G4ThreeVector& momentum, const G4Three << 232 G4TransportationManager::GetTransportationManager()->
661 { << 233 GetActiveNavigatorsIterator();
662 G4ThreeVector facetNormal; << 234 theGlobalNormal =
663 if(fModel == unified || fModel == LUT || fMo << 235 (iNav[hNavId])->GetGlobalExitNormal(theGlobalPoint,&valid);
664 { <<
665 /* This function codes alpha to a random v <<
666 distribution p(alpha) = g(alpha; 0, sigma_ <<
667 for alpha > 0 and alpha < 90, where g(alph <<
668 gaussian distribution with mean 0 and stan <<
669 <<
670 G4double sigma_alpha = 0.0; <<
671 if(fOpticalSurface) <<
672 sigma_alpha = fOpticalSurface->GetSigmaA <<
673 if(sigma_alpha == 0.0) <<
674 { <<
675 return normal; <<
676 } <<
677 <<
678 G4double f_max = std::min(1.0, 4. * sigma_ <<
679 G4double alpha, phi, sinAlpha; <<
680 <<
681 do <<
682 { // Loop checking, 13-Aug-2015, Peter Gu <<
683 do <<
684 { // Loop checking, 13-Aug-2015, Peter <<
685 alpha = G4RandGauss::shoot(0.0, sig <<
686 sinAlpha = std::sin(alpha); <<
687 } while(G4UniformRand() * f_max > sinAlp <<
688 <<
689 phi = G4UniformRand() * twopi; <<
690 facetNormal.set(sinAlpha * std::cos(phi) <<
691 std::cos(alpha)); <<
692 facetNormal.rotateUz(normal); <<
693 } while(momentum * facetNormal >= 0.0); <<
694 } <<
695 else <<
696 { <<
697 G4double polish = 1.0; <<
698 if(fOpticalSurface) <<
699 polish = fOpticalSurface->GetPolish(); <<
700 if(polish < 1.0) <<
701 { <<
702 do <<
703 { // Loop checking, 13-Aug-2015, Peter <<
704 G4ThreeVector smear; <<
705 do <<
706 { // Loop checking, 13-Aug-2015, Pete <<
707 smear.setX(2. * G4UniformRand() - 1. <<
708 smear.setY(2. * G4UniformRand() - 1. <<
709 smear.setZ(2. * G4UniformRand() - 1. <<
710 } while(smear.mag2() > 1.0); <<
711 facetNormal = normal + (1. - polish) * <<
712 } while(momentum * facetNormal >= 0.0); <<
713 facetNormal = facetNormal.unit(); <<
714 } <<
715 else <<
716 { <<
717 facetNormal = normal; <<
718 } <<
719 } <<
720 return facetNormal; <<
721 } <<
722 236
723 //....oooOO0OOooo........oooOO0OOooo........oo << 237 if (valid) {
724 void G4OpBoundaryProcess::DielectricMetal() << 238 theGlobalNormal = -theGlobalNormal;
725 { <<
726 G4int n = 0; <<
727 G4double rand; <<
728 G4ThreeVector A_trans; <<
729 <<
730 do <<
731 { <<
732 ++n; <<
733 rand = G4UniformRand(); <<
734 if(rand > fReflectivity && n == 1) <<
735 { <<
736 if(rand > fReflectivity + fTransmittance <<
737 { <<
738 DoAbsorption(); <<
739 } <<
740 else <<
741 { <<
742 fStatus = Transmission; <<
743 fNewMomentum = fOldMomentum; <<
744 fNewPolarization = fOldPolarization; <<
745 } <<
746 break; <<
747 } <<
748 else <<
749 { <<
750 if(fRealRIndexMPV && fImagRIndexMPV) <<
751 { <<
752 if(n > 1) <<
753 { <<
754 CalculateReflectivity(); <<
755 if(!G4BooleanRand(fReflectivity)) <<
756 { <<
757 DoAbsorption(); <<
758 break; <<
759 } <<
760 } 239 }
761 } << 240 else
762 if(fModel == glisur || fFinish == polish <<
763 { <<
764 DoReflection(); <<
765 } <<
766 else <<
767 { <<
768 if(n == 1) <<
769 ChooseReflection(); <<
770 if(fStatus == LambertianReflection) <<
771 { 241 {
772 DoReflection(); << 242 G4ExceptionDescription ed;
>> 243 ed << " G4OpBoundaryProcess/PostStepDoIt(): "
>> 244 << " The Navigator reports that it returned an invalid normal"
>> 245 << G4endl;
>> 246 G4Exception("G4OpBoundaryProcess::PostStepDoIt", "OpBoun01",
>> 247 EventMustBeAborted,ed,
>> 248 "Invalid Surface Normal - Geometry must return valid surface normal");
773 } 249 }
774 else if(fStatus == BackScattering) << 250
775 { << 251 if (OldMomentum * theGlobalNormal > 0.0) {
776 fNewMomentum = -fOldMomentum; << 252 #ifdef G4OPTICAL_DEBUG
777 fNewPolarization = -fOldPolarization << 253 G4ExceptionDescription ed;
>> 254 ed << " G4OpBoundaryProcess/PostStepDoIt(): "
>> 255 << " theGlobalNormal points in a wrong direction. "
>> 256 << G4endl;
>> 257 ed << " The momentum of the photon arriving at interface (oldMomentum)"
>> 258 << " must exit the volume cross in the step. " << G4endl;
>> 259 ed << " So it MUST have dot < 0 with the normal that Exits the new volume (globalNormal)." << G4endl;
>> 260 ed << " >> The dot product of oldMomentum and global Normal is " << OldMomentum*theGlobalNormal << G4endl;
>> 261 ed << " Old Momentum (during step) = " << OldMomentum << G4endl;
>> 262 ed << " Global Normal (Exiting New Vol) = " << theGlobalNormal << G4endl;
>> 263 ed << G4endl;
>> 264 G4Exception("G4OpBoundaryProcess::PostStepDoIt", "OpBoun02",
>> 265 EventMustBeAborted, // Or JustWarning to see if it happens repeatedbly on one ray
>> 266 ed,
>> 267 "Invalid Surface Normal - Geometry must return valid surface normal pointing in the right direction");
>> 268 #else
>> 269 theGlobalNormal = -theGlobalNormal;
>> 270 #endif
778 } 271 }
779 else <<
780 { <<
781 if(fStatus == LobeReflection) <<
782 { <<
783 if(!fRealRIndexMPV || !fImagRIndex <<
784 { <<
785 fFacetNormal = GetFacetNormal(fO <<
786 } <<
787 // else <<
788 // case of complex rindex needs t <<
789 } <<
790 fNewMomentum = <<
791 fOldMomentum - 2. * fOldMomentum * <<
792 272
793 if(f_iTE > 0 && f_iTM > 0) << 273 G4MaterialPropertiesTable* aMaterialPropertiesTable;
794 { << 274 G4MaterialPropertyVector* Rindex;
795 fNewPolarization = << 275
796 -fOldPolarization + << 276 aMaterialPropertiesTable = Material1->GetMaterialPropertiesTable();
797 (2. * fOldPolarization * fFacetN << 277 if (aMaterialPropertiesTable) {
798 } << 278 Rindex = aMaterialPropertiesTable->GetProperty("RINDEX");
799 else if(f_iTE > 0) << 279 }
800 { << 280 else {
801 A_trans = (fSint1 > 0.0) ? fOldMom << 281 theStatus = NoRINDEX;
802 : fOldPol << 282 if ( verboseLevel > 0) BoundaryProcessVerbose();
803 fNewPolarization = -A_trans; << 283 aParticleChange.ProposeLocalEnergyDeposit(thePhotonMomentum);
>> 284 aParticleChange.ProposeTrackStatus(fStopAndKill);
>> 285 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 286 }
>> 287
>> 288 if (Rindex) {
>> 289 Rindex1 = Rindex->Value(thePhotonMomentum);
>> 290 }
>> 291 else {
>> 292 theStatus = NoRINDEX;
>> 293 if ( verboseLevel > 0) BoundaryProcessVerbose();
>> 294 aParticleChange.ProposeLocalEnergyDeposit(thePhotonMomentum);
>> 295 aParticleChange.ProposeTrackStatus(fStopAndKill);
>> 296 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 297 }
>> 298
>> 299 theReflectivity = 1.;
>> 300 theEfficiency = 0.;
>> 301 theTransmittance = 0.;
>> 302
>> 303 theSurfaceRoughness = 0.;
>> 304
>> 305 theModel = glisur;
>> 306 theFinish = polished;
>> 307
>> 308 G4SurfaceType type = dielectric_dielectric;
>> 309
>> 310 Rindex = NULL;
>> 311 OpticalSurface = NULL;
>> 312
>> 313 G4LogicalSurface* Surface = NULL;
>> 314
>> 315 Surface = G4LogicalBorderSurface::GetSurface(thePrePV, thePostPV);
>> 316
>> 317 if (Surface == NULL){
>> 318 G4bool enteredDaughter= (thePostPV->GetMotherLogical() ==
>> 319 thePrePV ->GetLogicalVolume());
>> 320 if(enteredDaughter){
>> 321 Surface =
>> 322 G4LogicalSkinSurface::GetSurface(thePostPV->GetLogicalVolume());
>> 323 if(Surface == NULL)
>> 324 Surface =
>> 325 G4LogicalSkinSurface::GetSurface(thePrePV->GetLogicalVolume());
>> 326 }
>> 327 else {
>> 328 Surface =
>> 329 G4LogicalSkinSurface::GetSurface(thePrePV->GetLogicalVolume());
>> 330 if(Surface == NULL)
>> 331 Surface =
>> 332 G4LogicalSkinSurface::GetSurface(thePostPV->GetLogicalVolume());
>> 333 }
>> 334 }
>> 335
>> 336 if (Surface) OpticalSurface =
>> 337 dynamic_cast <G4OpticalSurface*> (Surface->GetSurfaceProperty());
>> 338
>> 339 if (OpticalSurface) {
>> 340
>> 341 type = OpticalSurface->GetType();
>> 342 theModel = OpticalSurface->GetModel();
>> 343 theFinish = OpticalSurface->GetFinish();
>> 344
>> 345 aMaterialPropertiesTable = OpticalSurface->
>> 346 GetMaterialPropertiesTable();
>> 347
>> 348 if (aMaterialPropertiesTable) {
>> 349
>> 350 if (theFinish == polishedbackpainted ||
>> 351 theFinish == groundbackpainted ) {
>> 352 Rindex = aMaterialPropertiesTable->GetProperty("RINDEX");
>> 353 if (Rindex) {
>> 354 Rindex2 = Rindex->Value(thePhotonMomentum);
>> 355 }
>> 356 else {
>> 357 theStatus = NoRINDEX;
>> 358 if ( verboseLevel > 0) BoundaryProcessVerbose();
>> 359 aParticleChange.ProposeLocalEnergyDeposit(thePhotonMomentum);
>> 360 aParticleChange.ProposeTrackStatus(fStopAndKill);
>> 361 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 362 }
>> 363 }
>> 364
>> 365 PropertyPointer =
>> 366 aMaterialPropertiesTable->GetProperty("REFLECTIVITY");
>> 367 PropertyPointer1 =
>> 368 aMaterialPropertiesTable->GetProperty("REALRINDEX");
>> 369 PropertyPointer2 =
>> 370 aMaterialPropertiesTable->GetProperty("IMAGINARYRINDEX");
>> 371
>> 372 iTE = 1;
>> 373 iTM = 1;
>> 374
>> 375 if (PropertyPointer) {
>> 376
>> 377 theReflectivity =
>> 378 PropertyPointer->Value(thePhotonMomentum);
>> 379
>> 380 } else if (PropertyPointer1 && PropertyPointer2) {
>> 381
>> 382 CalculateReflectivity();
>> 383
>> 384 }
>> 385
>> 386 PropertyPointer =
>> 387 aMaterialPropertiesTable->GetProperty("EFFICIENCY");
>> 388 if (PropertyPointer) {
>> 389 theEfficiency =
>> 390 PropertyPointer->Value(thePhotonMomentum);
>> 391 }
>> 392
>> 393 PropertyPointer =
>> 394 aMaterialPropertiesTable->GetProperty("TRANSMITTANCE");
>> 395 if (PropertyPointer) {
>> 396 theTransmittance =
>> 397 PropertyPointer->Value(thePhotonMomentum);
>> 398 }
>> 399
>> 400 if (aMaterialPropertiesTable->
>> 401 ConstPropertyExists("SURFACEROUGHNESS"))
>> 402 theSurfaceRoughness = aMaterialPropertiesTable->
>> 403 GetConstProperty("SURFACEROUGHNESS");
>> 404
>> 405 if ( theModel == unified ) {
>> 406 PropertyPointer =
>> 407 aMaterialPropertiesTable->GetProperty("SPECULARLOBECONSTANT");
>> 408 if (PropertyPointer) {
>> 409 prob_sl =
>> 410 PropertyPointer->Value(thePhotonMomentum);
>> 411 } else {
>> 412 prob_sl = 0.0;
>> 413 }
>> 414
>> 415 PropertyPointer =
>> 416 aMaterialPropertiesTable->GetProperty("SPECULARSPIKECONSTANT");
>> 417 if (PropertyPointer) {
>> 418 prob_ss =
>> 419 PropertyPointer->Value(thePhotonMomentum);
>> 420 } else {
>> 421 prob_ss = 0.0;
>> 422 }
>> 423
>> 424 PropertyPointer =
>> 425 aMaterialPropertiesTable->GetProperty("BACKSCATTERCONSTANT");
>> 426 if (PropertyPointer) {
>> 427 prob_bs =
>> 428 PropertyPointer->Value(thePhotonMomentum);
>> 429 } else {
>> 430 prob_bs = 0.0;
>> 431 }
>> 432 }
>> 433 }
>> 434 else if (theFinish == polishedbackpainted ||
>> 435 theFinish == groundbackpainted ) {
>> 436 aParticleChange.ProposeLocalEnergyDeposit(thePhotonMomentum);
>> 437 aParticleChange.ProposeTrackStatus(fStopAndKill);
>> 438 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 439 }
>> 440 }
>> 441
>> 442 if (type == dielectric_dielectric ) {
>> 443 if (theFinish == polished || theFinish == ground ) {
>> 444
>> 445 if (Material1 == Material2){
>> 446 theStatus = SameMaterial;
>> 447 if ( verboseLevel > 0) BoundaryProcessVerbose();
>> 448 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 449 }
>> 450 aMaterialPropertiesTable =
>> 451 Material2->GetMaterialPropertiesTable();
>> 452 if (aMaterialPropertiesTable)
>> 453 Rindex = aMaterialPropertiesTable->GetProperty("RINDEX");
>> 454 if (Rindex) {
>> 455 Rindex2 = Rindex->Value(thePhotonMomentum);
>> 456 }
>> 457 else {
>> 458 theStatus = NoRINDEX;
>> 459 if ( verboseLevel > 0) BoundaryProcessVerbose();
>> 460 aParticleChange.ProposeLocalEnergyDeposit(thePhotonMomentum);
>> 461 aParticleChange.ProposeTrackStatus(fStopAndKill);
>> 462 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 463 }
>> 464 }
>> 465 }
>> 466
>> 467 if (type == dielectric_metal) {
>> 468
>> 469 DielectricMetal();
>> 470
>> 471 }
>> 472 else if (type == dielectric_LUT) {
>> 473
>> 474 DielectricLUT();
>> 475
>> 476 }
>> 477 else if (type == dielectric_dichroic) {
>> 478
>> 479 DielectricDichroic();
>> 480
>> 481 }
>> 482 else if (type == dielectric_dielectric) {
>> 483
>> 484 if ( theFinish == polishedbackpainted ||
>> 485 theFinish == groundbackpainted ) {
>> 486 DielectricDielectric();
804 } 487 }
805 else if(f_iTM > 0) << 488 else {
806 { << 489 G4double rand = G4UniformRand();
807 fNewPolarization = << 490 if ( rand > theReflectivity ) {
808 -fNewMomentum.cross(A_trans).uni << 491 if (rand > theReflectivity + theTransmittance) {
>> 492 DoAbsorption();
>> 493 } else {
>> 494 theStatus = Transmission;
>> 495 NewMomentum = OldMomentum;
>> 496 NewPolarization = OldPolarization;
>> 497 }
>> 498 }
>> 499 else {
>> 500 if ( theFinish == polishedfrontpainted ) {
>> 501 DoReflection();
>> 502 }
>> 503 else if ( theFinish == groundfrontpainted ) {
>> 504 theStatus = LambertianReflection;
>> 505 DoReflection();
>> 506 }
>> 507 else {
>> 508 DielectricDielectric();
>> 509 }
>> 510 }
809 } 511 }
810 } 512 }
811 } << 513 else {
812 fOldMomentum = fNewMomentum; << 514
813 fOldPolarization = fNewPolarization; << 515 G4cerr << " Error: G4BoundaryProcess: illegal boundary type " << G4endl;
814 } << 516 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
815 // Loop checking, 13-Aug-2015, Peter Gumpl << 517
816 } while(fNewMomentum * fGlobalNormal < 0.0); << 518 }
>> 519
>> 520 NewMomentum = NewMomentum.unit();
>> 521 NewPolarization = NewPolarization.unit();
>> 522
>> 523 if ( verboseLevel > 0) {
>> 524 G4cout << " New Momentum Direction: " << NewMomentum << G4endl;
>> 525 G4cout << " New Polarization: " << NewPolarization << G4endl;
>> 526 BoundaryProcessVerbose();
>> 527 }
>> 528
>> 529 aParticleChange.ProposeMomentumDirection(NewMomentum);
>> 530 aParticleChange.ProposePolarization(NewPolarization);
>> 531
>> 532 if ( theStatus == FresnelRefraction || theStatus == Transmission ) {
>> 533 G4MaterialPropertyVector* groupvel =
>> 534 Material2->GetMaterialPropertiesTable()->GetProperty("GROUPVEL");
>> 535 G4double finalVelocity = groupvel->Value(thePhotonMomentum);
>> 536 aParticleChange.ProposeVelocity(finalVelocity);
>> 537 }
>> 538
>> 539 if ( theStatus == Detection ) InvokeSD(pStep);
>> 540
>> 541 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
817 } 542 }
818 543
819 //....oooOO0OOooo........oooOO0OOooo........oo << 544 void G4OpBoundaryProcess::BoundaryProcessVerbose() const
820 void G4OpBoundaryProcess::DielectricLUT() <<
821 { 545 {
822 G4int thetaIndex, phiIndex; << 546 if ( theStatus == Undefined )
823 G4double angularDistVal, thetaRad, phiRad; << 547 G4cout << " *** Undefined *** " << G4endl;
824 G4ThreeVector perpVectorTheta, perpVectorPhi << 548 if ( theStatus == Transmission )
825 << 549 G4cout << " *** Transmission *** " << G4endl;
826 fStatus = G4OpBoundaryProcessStatus( << 550 if ( theStatus == FresnelRefraction )
827 G4int(fFinish) + (G4int(NoRINDEX) - G4int( << 551 G4cout << " *** FresnelRefraction *** " << G4endl;
828 << 552 if ( theStatus == FresnelReflection )
829 G4int thetaIndexMax = fOpticalSurface->GetTh << 553 G4cout << " *** FresnelReflection *** " << G4endl;
830 G4int phiIndexMax = fOpticalSurface->GetPh << 554 if ( theStatus == TotalInternalReflection )
831 << 555 G4cout << " *** TotalInternalReflection *** " << G4endl;
832 G4double rand; << 556 if ( theStatus == LambertianReflection )
833 << 557 G4cout << " *** LambertianReflection *** " << G4endl;
834 do << 558 if ( theStatus == LobeReflection )
835 { << 559 G4cout << " *** LobeReflection *** " << G4endl;
836 rand = G4UniformRand(); << 560 if ( theStatus == SpikeReflection )
837 if(rand > fReflectivity) << 561 G4cout << " *** SpikeReflection *** " << G4endl;
838 { << 562 if ( theStatus == BackScattering )
839 if(rand > fReflectivity + fTransmittance << 563 G4cout << " *** BackScattering *** " << G4endl;
840 { << 564 if ( theStatus == PolishedLumirrorAirReflection )
841 DoAbsorption(); << 565 G4cout << " *** PolishedLumirrorAirReflection *** " << G4endl;
842 } << 566 if ( theStatus == PolishedLumirrorGlueReflection )
843 else << 567 G4cout << " *** PolishedLumirrorGlueReflection *** " << G4endl;
844 { << 568 if ( theStatus == PolishedAirReflection )
845 fStatus = Transmission; << 569 G4cout << " *** PolishedAirReflection *** " << G4endl;
846 fNewMomentum = fOldMomentum; << 570 if ( theStatus == PolishedTeflonAirReflection )
847 fNewPolarization = fOldPolarization; << 571 G4cout << " *** PolishedTeflonAirReflection *** " << G4endl;
848 } << 572 if ( theStatus == PolishedTiOAirReflection )
849 break; << 573 G4cout << " *** PolishedTiOAirReflection *** " << G4endl;
850 } << 574 if ( theStatus == PolishedTyvekAirReflection )
851 else << 575 G4cout << " *** PolishedTyvekAirReflection *** " << G4endl;
852 { << 576 if ( theStatus == PolishedVM2000AirReflection )
853 // Calculate Angle between Normal and Ph << 577 G4cout << " *** PolishedVM2000AirReflection *** " << G4endl;
854 G4double anglePhotonToNormal = fOldMomen << 578 if ( theStatus == PolishedVM2000GlueReflection )
855 // Round to closest integer: LBNL model << 579 G4cout << " *** PolishedVM2000GlueReflection *** " << G4endl;
856 G4int angleIncident = (G4int)std::lrint( << 580 if ( theStatus == EtchedLumirrorAirReflection )
857 << 581 G4cout << " *** EtchedLumirrorAirReflection *** " << G4endl;
858 // Take random angles THETA and PHI, << 582 if ( theStatus == EtchedLumirrorGlueReflection )
859 // and see if below Probability - if not << 583 G4cout << " *** EtchedLumirrorGlueReflection *** " << G4endl;
860 do << 584 if ( theStatus == EtchedAirReflection )
861 { << 585 G4cout << " *** EtchedAirReflection *** " << G4endl;
862 thetaIndex = (G4int)G4RandFlat::shootI << 586 if ( theStatus == EtchedTeflonAirReflection )
863 phiIndex = (G4int)G4RandFlat::shootI << 587 G4cout << " *** EtchedTeflonAirReflection *** " << G4endl;
864 // Find probability with the new indec << 588 if ( theStatus == EtchedTiOAirReflection )
865 angularDistVal = fOpticalSurface->GetA << 589 G4cout << " *** EtchedTiOAirReflection *** " << G4endl;
866 angleIncident, thetaIndex, phiIndex) << 590 if ( theStatus == EtchedTyvekAirReflection )
867 // Loop checking, 13-Aug-2015, Peter G << 591 G4cout << " *** EtchedTyvekAirReflection *** " << G4endl;
868 } while(!G4BooleanRand(angularDistVal)); << 592 if ( theStatus == EtchedVM2000AirReflection )
869 << 593 G4cout << " *** EtchedVM2000AirReflection *** " << G4endl;
870 thetaRad = G4double(-90 + 4 * thetaIndex << 594 if ( theStatus == EtchedVM2000GlueReflection )
871 phiRad = G4double(-90 + 5 * phiIndex) << 595 G4cout << " *** EtchedVM2000GlueReflection *** " << G4endl;
872 // Rotate Photon Momentum in Theta, then << 596 if ( theStatus == GroundLumirrorAirReflection )
873 fNewMomentum = -fOldMomentum; << 597 G4cout << " *** GroundLumirrorAirReflection *** " << G4endl;
874 << 598 if ( theStatus == GroundLumirrorGlueReflection )
875 perpVectorTheta = fNewMomentum.cross(fGl << 599 G4cout << " *** GroundLumirrorGlueReflection *** " << G4endl;
876 if(perpVectorTheta.mag() < fCarTolerance << 600 if ( theStatus == GroundAirReflection )
877 { << 601 G4cout << " *** GroundAirReflection *** " << G4endl;
878 perpVectorTheta = fNewMomentum.orthogo << 602 if ( theStatus == GroundTeflonAirReflection )
879 } << 603 G4cout << " *** GroundTeflonAirReflection *** " << G4endl;
880 fNewMomentum = << 604 if ( theStatus == GroundTiOAirReflection )
881 fNewMomentum.rotate(anglePhotonToNorma << 605 G4cout << " *** GroundTiOAirReflection *** " << G4endl;
882 perpVectorPhi = perpVectorTheta.cross(fN << 606 if ( theStatus == GroundTyvekAirReflection )
883 fNewMomentum = fNewMomentum.rotate(-phi << 607 G4cout << " *** GroundTyvekAirReflection *** " << G4endl;
884 << 608 if ( theStatus == GroundVM2000AirReflection )
885 // Rotate Polarization too: << 609 G4cout << " *** GroundVM2000AirReflection *** " << G4endl;
886 fFacetNormal = (fNewMomentum - fOldM << 610 if ( theStatus == GroundVM2000GlueReflection )
887 fNewPolarization = -fOldPolarization + << 611 G4cout << " *** GroundVM2000GlueReflection *** " << G4endl;
888 (2. * fOldPolarizatio << 612 if ( theStatus == Absorption )
889 } << 613 G4cout << " *** Absorption *** " << G4endl;
890 // Loop checking, 13-Aug-2015, Peter Gumpl << 614 if ( theStatus == Detection )
891 } while(fNewMomentum * fGlobalNormal <= 0.0) << 615 G4cout << " *** Detection *** " << G4endl;
>> 616 if ( theStatus == NotAtBoundary )
>> 617 G4cout << " *** NotAtBoundary *** " << G4endl;
>> 618 if ( theStatus == SameMaterial )
>> 619 G4cout << " *** SameMaterial *** " << G4endl;
>> 620 if ( theStatus == StepTooSmall )
>> 621 G4cout << " *** StepTooSmall *** " << G4endl;
>> 622 if ( theStatus == NoRINDEX )
>> 623 G4cout << " *** NoRINDEX *** " << G4endl;
>> 624 if ( theStatus == Dichroic )
>> 625 G4cout << " *** Dichroic Transmission *** " << G4endl;
892 } 626 }
893 627
894 //....oooOO0OOooo........oooOO0OOooo........oo << 628 G4ThreeVector
895 void G4OpBoundaryProcess::DielectricLUTDAVIS() << 629 G4OpBoundaryProcess::GetFacetNormal(const G4ThreeVector& Momentum,
>> 630 const G4ThreeVector& Normal ) const
896 { 631 {
897 G4int angindex, random, angleIncident; << 632 G4ThreeVector FacetNormal;
898 G4double reflectivityValue, elevation, azimu <<
899 G4double anglePhotonToNormal; <<
900 <<
901 G4int lutbin = fOpticalSurface->GetLUTbins( <<
902 G4double rand = G4UniformRand(); <<
903 <<
904 G4double sinEl; <<
905 G4ThreeVector u, vNorm, w; <<
906 <<
907 do <<
908 { <<
909 anglePhotonToNormal = fOldMomentum.angle(- <<
910 <<
911 // Davis model has 90 reflection bins: rou <<
912 // don't allow angleIncident to be 90 for <<
913 angleIncident = std::min( <<
914 static_cast<G4int>(std::floor(anglePhoto <<
915 reflectivityValue = fOpticalSurface->GetRe <<
916 <<
917 if(rand > reflectivityValue) <<
918 { <<
919 if(fEfficiency > 0.) <<
920 { <<
921 DoAbsorption(); <<
922 break; <<
923 } <<
924 else <<
925 { <<
926 fStatus = Transmission; <<
927 633
928 if(angleIncident <= 0.01) << 634 if (theModel == unified || theModel == LUT) {
929 { <<
930 fNewMomentum = fOldMomentum; <<
931 break; <<
932 } <<
933 635
934 do << 636 /* This function code alpha to a random value taken from the
935 { << 637 distribution p(alpha) = g(alpha; 0, sigma_alpha)*std::sin(alpha),
936 random = (G4int)G4RandFlat::shootInt << 638 for alpha > 0 and alpha < 90, where g(alpha; 0, sigma_alpha)
937 angindex = << 639 is a gaussian distribution with mean 0 and standard deviation
938 (((random * 2) - 1)) + angleIncide << 640 sigma_alpha. */
939 << 641
940 azimuth = << 642 G4double alpha;
941 fOpticalSurface->GetAngularDistrib << 643
942 elevation = fOpticalSurface->GetAngu << 644 G4double sigma_alpha = 0.0;
943 } while(elevation == 0. && azimuth == << 645 if (OpticalSurface) sigma_alpha = OpticalSurface->GetSigmaAlpha();
944 << 646
945 sinEl = std::sin(elevation); << 647 if (sigma_alpha == 0.0) return FacetNormal = Normal;
946 vNorm = (fGlobalNormal.cross(fOldMomen << 648
947 u = vNorm.cross(fGlobalNormal) * ( << 649 G4double f_max = std::min(1.0,4.*sigma_alpha);
948 vNorm *= (sinEl * std::sin(azimuth)); << 650
949 // fGlobalNormal shouldn't be modified << 651 do {
950 w = (fGlobalNormal *= std:: << 652 do {
951 fNewMomentum = u + vNorm + w; << 653 alpha = G4RandGauss::shoot(0.0,sigma_alpha);
952 << 654 } while (G4UniformRand()*f_max > std::sin(alpha) || alpha >= halfpi );
953 // Rotate Polarization too: << 655
954 fFacetNormal = (fNewMomentum - fOl << 656 G4double phi = G4UniformRand()*twopi;
955 fNewPolarization = -fOldPolarization + << 657
956 << 658 G4double SinAlpha = std::sin(alpha);
957 } << 659 G4double CosAlpha = std::cos(alpha);
958 } << 660 G4double SinPhi = std::sin(phi);
959 else << 661 G4double CosPhi = std::cos(phi);
960 { << 662
961 fStatus = LobeReflection; << 663 G4double unit_x = SinAlpha * CosPhi;
962 << 664 G4double unit_y = SinAlpha * SinPhi;
963 if(angleIncident == 0) << 665 G4double unit_z = CosAlpha;
964 { << 666
965 fNewMomentum = -fOldMomentum; << 667 FacetNormal.setX(unit_x);
966 break; << 668 FacetNormal.setY(unit_y);
967 } << 669 FacetNormal.setZ(unit_z);
968 << 670
969 do << 671 G4ThreeVector tmpNormal = Normal;
970 { << 672
971 random = (G4int)G4RandFlat::shootInt << 673 FacetNormal.rotateUz(tmpNormal);
972 angindex = (((random * 2) - 1)) + (ang << 674 } while (Momentum * FacetNormal >= 0.0);
973 << 675 }
974 azimuth = fOpticalSurface->GetAngularD << 676 else {
975 elevation = fOpticalSurface->GetAngula << 677
976 } while(elevation == 0. && azimuth == 0. << 678 G4double polish = 1.0;
977 << 679 if (OpticalSurface) polish = OpticalSurface->GetPolish();
978 sinEl = std::sin(elevation); << 680
979 vNorm = (fGlobalNormal.cross(fOldMomentu << 681 if (polish < 1.0) {
980 u = vNorm.cross(fGlobalNormal) * (si << 682 do {
981 vNorm *= (sinEl * std::sin(azimuth)); << 683 G4ThreeVector smear;
982 // fGlobalNormal shouldn't be modified h << 684 do {
983 w = (fGlobalNormal *= std::cos(elevation << 685 smear.setX(2.*G4UniformRand()-1.0);
984 << 686 smear.setY(2.*G4UniformRand()-1.0);
985 fNewMomentum = u + vNorm + w; << 687 smear.setZ(2.*G4UniformRand()-1.0);
986 << 688 } while (smear.mag()>1.0);
987 // Rotate Polarization too: (needs revis << 689 smear = (1.-polish) * smear;
988 fNewPolarization = fOldPolarization; << 690 FacetNormal = Normal + smear;
989 } << 691 } while (Momentum * FacetNormal >= 0.0);
990 } while(fNewMomentum * fGlobalNormal <= 0.0) << 692 FacetNormal = FacetNormal.unit();
>> 693 }
>> 694 else {
>> 695 FacetNormal = Normal;
>> 696 }
>> 697 }
>> 698 return FacetNormal;
991 } 699 }
992 700
993 //....oooOO0OOooo........oooOO0OOooo........oo << 701 void G4OpBoundaryProcess::DielectricMetal()
994 void G4OpBoundaryProcess::DielectricDichroic() <<
995 { 702 {
996 // Calculate Angle between Normal and Photon << 703 G4int n = 0;
997 G4double anglePhotonToNormal = fOldMomentum. <<
998 704
999 // Round it to closest integer << 705 do {
1000 G4double angleIncident = std::floor(180. / <<
1001 706
1002 if(!fDichroicVector) << 707 n++;
1003 { <<
1004 if(fOpticalSurface) <<
1005 fDichroicVector = fOpticalSurface->GetD <<
1006 } <<
1007 708
1008 if(fDichroicVector) << 709 G4double rand = G4UniformRand();
1009 { << 710 if ( rand > theReflectivity && n == 1 ) {
1010 G4double wavelength = h_Planck * c_light << 711 if (rand > theReflectivity + theTransmittance) {
1011 fTransmittance = fDichroicVector->Va << 712 DoAbsorption();
1012 i << 713 } else {
1013 perCent; << 714 theStatus = Transmission;
1014 // G4cout << "wavelength: " << std::flo << 715 NewMomentum = OldMomentum;
1015 // << "nm" << << 716 NewPolarization = OldPolarization;
1016 // G4cout << "Incident angle: " << angl << 717 }
1017 // G4cout << "Transmittance: " << 718 break;
1018 // << std::floor(fTransmittance/ << 719 }
1019 } << 720 else {
1020 else << 721
1021 { << 722 if (PropertyPointer1 && PropertyPointer2) {
1022 G4ExceptionDescription ed; << 723 if ( n > 1 ) {
1023 ed << " G4OpBoundaryProcess/DielectricDic << 724 CalculateReflectivity();
1024 << " The dichroic surface has no G4Phy << 725 if ( !G4BooleanRand(theReflectivity) ) {
1025 G4Exception("G4OpBoundaryProcess::Dielect << 726 DoAbsorption();
1026 FatalException, ed, << 727 break;
1027 "A dichroic surface must have << 728 }
1028 } << 729 }
>> 730 }
>> 731
>> 732 if ( theModel == glisur || theFinish == polished ) {
>> 733
>> 734 DoReflection();
>> 735
>> 736 } else {
>> 737
>> 738 if ( n == 1 ) ChooseReflection();
>> 739
>> 740 if ( theStatus == LambertianReflection ) {
>> 741 DoReflection();
>> 742 }
>> 743 else if ( theStatus == BackScattering ) {
>> 744 NewMomentum = -OldMomentum;
>> 745 NewPolarization = -OldPolarization;
>> 746 }
>> 747 else {
>> 748
>> 749 if(theStatus==LobeReflection){
>> 750 if ( PropertyPointer1 && PropertyPointer2 ){
>> 751 } else {
>> 752 theFacetNormal =
>> 753 GetFacetNormal(OldMomentum,theGlobalNormal);
>> 754 }
>> 755 }
>> 756
>> 757 G4double PdotN = OldMomentum * theFacetNormal;
>> 758 NewMomentum = OldMomentum - (2.*PdotN)*theFacetNormal;
>> 759 G4double EdotN = OldPolarization * theFacetNormal;
>> 760
>> 761 G4ThreeVector A_trans, A_paral;
>> 762
>> 763 if (sint1 > 0.0 ) {
>> 764 A_trans = OldMomentum.cross(theFacetNormal);
>> 765 A_trans = A_trans.unit();
>> 766 } else {
>> 767 A_trans = OldPolarization;
>> 768 }
>> 769 A_paral = NewMomentum.cross(A_trans);
>> 770 A_paral = A_paral.unit();
>> 771
>> 772 if(iTE>0&&iTM>0) {
>> 773 NewPolarization =
>> 774 -OldPolarization + (2.*EdotN)*theFacetNormal;
>> 775 } else if (iTE>0) {
>> 776 NewPolarization = -A_trans;
>> 777 } else if (iTM>0) {
>> 778 NewPolarization = -A_paral;
>> 779 }
>> 780
>> 781 }
1029 782
1030 if(!G4BooleanRand(fTransmittance)) << 783 }
1031 { // Not transmitted, so reflect <<
1032 if(fModel == glisur || fFinish == polishe <<
1033 { <<
1034 DoReflection(); <<
1035 } <<
1036 else <<
1037 { <<
1038 ChooseReflection(); <<
1039 if(fStatus == LambertianReflection) <<
1040 { <<
1041 DoReflection(); <<
1042 } <<
1043 else if(fStatus == BackScattering) <<
1044 { <<
1045 fNewMomentum = -fOldMomentum; <<
1046 fNewPolarization = -fOldPolarization; <<
1047 } <<
1048 else <<
1049 { <<
1050 G4double PdotN, EdotN; <<
1051 do <<
1052 { <<
1053 if(fStatus == LobeReflection) <<
1054 { <<
1055 fFacetNormal = GetFacetNormal(fOl <<
1056 } <<
1057 PdotN = fOldMomentum * fFace <<
1058 fNewMomentum = fOldMomentum - (2. * <<
1059 // Loop checking, 13-Aug-2015, Pete <<
1060 } while(fNewMomentum * fGlobalNormal <<
1061 <<
1062 EdotN = fOldPolarization * <<
1063 fNewPolarization = -fOldPolarization <<
1064 } <<
1065 } <<
1066 } <<
1067 else <<
1068 { <<
1069 fStatus = Dichroic; <<
1070 fNewMomentum = fOldMomentum; <<
1071 fNewPolarization = fOldPolarization; <<
1072 } <<
1073 } <<
1074 784
1075 //....oooOO0OOooo........oooOO0OOooo........o << 785 OldMomentum = NewMomentum;
1076 void G4OpBoundaryProcess::DielectricDielectri << 786 OldPolarization = NewPolarization;
1077 { <<
1078 G4bool inside = false; <<
1079 G4bool swap = false; <<
1080 787
1081 if(fFinish == polished) << 788 }
1082 { <<
1083 fFacetNormal = fGlobalNormal; <<
1084 } <<
1085 else <<
1086 { <<
1087 fFacetNormal = GetFacetNormal(fOldMomentu <<
1088 } <<
1089 G4double cost1 = -fOldMomentum * fFacetNorm <<
1090 G4double cost2 = 0.; <<
1091 G4double sint2 = 0.; <<
1092 <<
1093 G4bool surfaceRoughnessCriterionPass = true <<
1094 if(fSurfaceRoughness != 0. && fRindex1 > fR <<
1095 { <<
1096 G4double wavelength = h_Pl <<
1097 G4double surfaceRoughnessCriterion = std: <<
1098 (4. * pi * fSurfaceRoughness * fRindex1 <<
1099 surfaceRoughnessCriterionPass = G4Boolean <<
1100 } <<
1101 789
1102 leap: << 790 } while (NewMomentum * theGlobalNormal < 0.0);
>> 791 }
1103 792
1104 G4bool through = false; << 793 void G4OpBoundaryProcess::DielectricLUT()
1105 G4bool done = false; << 794 {
>> 795 G4int thetaIndex, phiIndex;
>> 796 G4double AngularDistributionValue, thetaRad, phiRad, EdotN;
>> 797 G4ThreeVector PerpendicularVectorTheta, PerpendicularVectorPhi;
>> 798
>> 799 theStatus = G4OpBoundaryProcessStatus(G4int(theFinish) +
>> 800 (G4int(NoRINDEX)-G4int(groundbackpainted)));
>> 801
>> 802 G4int thetaIndexMax = OpticalSurface->GetThetaIndexMax();
>> 803 G4int phiIndexMax = OpticalSurface->GetPhiIndexMax();
>> 804
>> 805 do {
>> 806 G4double rand = G4UniformRand();
>> 807 if ( rand > theReflectivity ) {
>> 808 if (rand > theReflectivity + theTransmittance) {
>> 809 DoAbsorption();
>> 810 } else {
>> 811 theStatus = Transmission;
>> 812 NewMomentum = OldMomentum;
>> 813 NewPolarization = OldPolarization;
>> 814 }
>> 815 break;
>> 816 }
>> 817 else {
>> 818 // Calculate Angle between Normal and Photon Momentum
>> 819 G4double anglePhotonToNormal =
>> 820 OldMomentum.angle(-theGlobalNormal);
>> 821 // Round it to closest integer
>> 822 G4int angleIncident = G4int(std::floor(180/pi*anglePhotonToNormal+0.5));
>> 823
>> 824 // Take random angles THETA and PHI,
>> 825 // and see if below Probability - if not - Redo
>> 826 do {
>> 827 thetaIndex = G4RandFlat::shootInt(thetaIndexMax-1);
>> 828 phiIndex = G4RandFlat::shootInt(phiIndexMax-1);
>> 829 // Find probability with the new indeces from LUT
>> 830 AngularDistributionValue = OpticalSurface ->
>> 831 GetAngularDistributionValue(angleIncident,
>> 832 thetaIndex,
>> 833 phiIndex);
>> 834 } while ( !G4BooleanRand(AngularDistributionValue) );
>> 835
>> 836 thetaRad = (-90 + 4*thetaIndex)*pi/180;
>> 837 phiRad = (-90 + 5*phiIndex)*pi/180;
>> 838 // Rotate Photon Momentum in Theta, then in Phi
>> 839 NewMomentum = -OldMomentum;
>> 840 PerpendicularVectorTheta = NewMomentum.cross(theGlobalNormal);
>> 841 if (PerpendicularVectorTheta.mag() > kCarTolerance ) {
>> 842 PerpendicularVectorPhi =
>> 843 PerpendicularVectorTheta.cross(NewMomentum);
>> 844 }
>> 845 else {
>> 846 PerpendicularVectorTheta = NewMomentum.orthogonal();
>> 847 PerpendicularVectorPhi =
>> 848 PerpendicularVectorTheta.cross(NewMomentum);
>> 849 }
>> 850 NewMomentum =
>> 851 NewMomentum.rotate(anglePhotonToNormal-thetaRad,
>> 852 PerpendicularVectorTheta);
>> 853 NewMomentum = NewMomentum.rotate(-phiRad,PerpendicularVectorPhi);
>> 854 // Rotate Polarization too:
>> 855 theFacetNormal = (NewMomentum - OldMomentum).unit();
>> 856 EdotN = OldPolarization * theFacetNormal;
>> 857 NewPolarization = -OldPolarization + (2.*EdotN)*theFacetNormal;
>> 858 }
>> 859 } while (NewMomentum * theGlobalNormal <= 0.0);
>> 860 }
1106 861
1107 G4ThreeVector A_trans, A_paral, E1pp, E1pl; << 862 void G4OpBoundaryProcess::DielectricDichroic()
1108 G4double E1_perp, E1_parl; << 863 {
1109 G4double s1, s2, E2_perp, E2_parl, E2_total << 864 // Calculate Angle between Normal and Photon Momentum
1110 G4double E2_abs, C_parl, C_perp; << 865 G4double anglePhotonToNormal = OldMomentum.angle(-theGlobalNormal);
1111 G4double alpha; <<
1112 <<
1113 do <<
1114 { <<
1115 if(through) <<
1116 { <<
1117 swap = !swap; <<
1118 through = false; <<
1119 fGlobalNormal = -fGlobalNormal; <<
1120 G4SwapPtr(fMaterial1, fMaterial2); <<
1121 G4SwapObj(&fRindex1, &fRindex2); <<
1122 } <<
1123 <<
1124 if(fFinish == polished) <<
1125 { <<
1126 fFacetNormal = fGlobalNormal; <<
1127 } <<
1128 else <<
1129 { <<
1130 fFacetNormal = GetFacetNormal(fOldMomen <<
1131 } <<
1132 <<
1133 cost1 = -fOldMomentum * fFacetNormal; <<
1134 if(std::abs(cost1) < 1.0 - fCarTolerance) <<
1135 { <<
1136 fSint1 = std::sqrt(1. - cost1 * cost1); <<
1137 sint2 = fSint1 * fRindex1 / fRindex2; <<
1138 // this isn't a sine as we might expect <<
1139 } <<
1140 else <<
1141 { <<
1142 fSint1 = 0.0; <<
1143 sint2 = 0.0; <<
1144 } <<
1145 <<
1146 // TOTAL INTERNAL REFLECTION <<
1147 if(sint2 >= 1.0) <<
1148 { <<
1149 swap = false; <<
1150 <<
1151 fStatus = TotalInternalReflection; <<
1152 if(!surfaceRoughnessCriterionPass) <<
1153 fStatus = LambertianReflection; <<
1154 if(fModel == unified && fFinish != poli <<
1155 ChooseReflection(); <<
1156 if(fStatus == LambertianReflection) <<
1157 { <<
1158 DoReflection(); <<
1159 } <<
1160 else if(fStatus == BackScattering) <<
1161 { <<
1162 fNewMomentum = -fOldMomentum; <<
1163 fNewPolarization = -fOldPolarization; <<
1164 } <<
1165 else <<
1166 { <<
1167 fNewMomentum = <<
1168 fOldMomentum - 2. * fOldMomentum * <<
1169 fNewPolarization = -fOldPolarization <<
1170 <<
1171 } <<
1172 } <<
1173 // NOT TIR <<
1174 else if(sint2 < 1.0) <<
1175 { <<
1176 // Calculate amplitude for transmission <<
1177 if(cost1 > 0.0) <<
1178 { <<
1179 cost2 = std::sqrt(1. - sint2 * sint2) <<
1180 } <<
1181 else <<
1182 { <<
1183 cost2 = -std::sqrt(1. - sint2 * sint2 <<
1184 } <<
1185 <<
1186 if(fSint1 > 0.0) <<
1187 { <<
1188 A_trans = (fOldMomentum.cross(fFacetN <<
1189 E1_perp = fOldPolarization * A_trans; <<
1190 E1pp = E1_perp * A_trans; <<
1191 E1pl = fOldPolarization - E1pp; <<
1192 E1_parl = E1pl.mag(); <<
1193 } <<
1194 else <<
1195 { <<
1196 A_trans = fOldPolarization; <<
1197 // Here we Follow Jackson's conventio <<
1198 // component = 1 in case of a ray per <<
1199 E1_perp = 0.0; <<
1200 E1_parl = 1.0; <<
1201 } <<
1202 <<
1203 s1 = fRindex1 * cost1; <<
1204 E2_perp = 2. * s1 * E1_perp / (fRindex <<
1205 E2_parl = 2. * s1 * E1_parl / (fRindex <<
1206 E2_total = E2_perp * E2_perp + E2_parl <<
1207 s2 = fRindex2 * cost2 * E2_total; <<
1208 <<
1209 // D.Sawkey, 24 May 24 <<
1210 // Transmittance has already been taken <<
1211 // For e.g. specular surfaces, the rati <<
1212 // reflection should be given by the ma <<
1213 // TRANSMITTANCE <<
1214 //if(fTransmittance > 0.) <<
1215 // transCoeff = fTransmittance; <<
1216 //else if(cost1 != 0.0) <<
1217 if(cost1 != 0.0) <<
1218 transCoeff = s2 / s1; <<
1219 else <<
1220 transCoeff = 0.0; <<
1221 <<
1222 // NOT TIR: REFLECTION <<
1223 if(!G4BooleanRand(transCoeff)) <<
1224 { <<
1225 swap = false; <<
1226 fStatus = FresnelReflection; <<
1227 <<
1228 if(!surfaceRoughnessCriterionPass) <<
1229 fStatus = LambertianReflection; <<
1230 if(fModel == unified && fFinish != po <<
1231 ChooseReflection(); <<
1232 if(fStatus == LambertianReflection) <<
1233 { <<
1234 DoReflection(); <<
1235 } <<
1236 else if(fStatus == BackScattering) <<
1237 { <<
1238 fNewMomentum = -fOldMomentum; <<
1239 fNewPolarization = -fOldPolarizatio <<
1240 } <<
1241 else <<
1242 { <<
1243 fNewMomentum = <<
1244 fOldMomentum - 2. * fOldMomentum <<
1245 if(fSint1 > 0.0) <<
1246 { // incident ray oblique <<
1247 E2_parl = fRindex2 * E2_parl / f <<
1248 E2_perp = E2_perp - E1_perp; <<
1249 E2_total = E2_perp * E2_perp + E2 <<
1250 A_paral = (fNewMomentum.cross(A_ <<
1251 E2_abs = std::sqrt(E2_total); <<
1252 C_parl = E2_parl / E2_abs; <<
1253 C_perp = E2_perp / E2_abs; <<
1254 866
1255 fNewPolarization = C_parl * A_par << 867 // Round it to closest integer
1256 } << 868 G4double angleIncident = std::floor(180/pi*anglePhotonToNormal+0.5);
1257 else <<
1258 { // incident ray perpendicular <<
1259 if(fRindex2 > fRindex1) <<
1260 { <<
1261 fNewPolarization = -fOldPolariz <<
1262 } <<
1263 else <<
1264 { <<
1265 fNewPolarization = fOldPolariza <<
1266 } <<
1267 } <<
1268 } <<
1269 } <<
1270 // NOT TIR: TRANSMISSION <<
1271 else <<
1272 { <<
1273 inside = !inside; <<
1274 through = true; <<
1275 fStatus = FresnelRefraction; <<
1276 <<
1277 if(fSint1 > 0.0) <<
1278 { // incident ray oblique <<
1279 alpha = cost1 - cost2 * (fRi <<
1280 fNewMomentum = (fOldMomentum + alph <<
1281 A_paral = (fNewMomentum.cross( <<
1282 E2_abs = std::sqrt(E2_total); <<
1283 C_parl = E2_parl / E2_abs; <<
1284 C_perp = E2_perp / E2_abs; <<
1285 869
1286 fNewPolarization = C_parl * A_paral << 870 if (!DichroicVector) {
1287 } << 871 if (OpticalSurface) DichroicVector = OpticalSurface->GetDichroicVector();
1288 else <<
1289 { // incident ray perpendicular <<
1290 fNewMomentum = fOldMomentum; <<
1291 fNewPolarization = fOldPolarization <<
1292 } 872 }
1293 } <<
1294 } <<
1295 873
1296 fOldMomentum = fNewMomentum.unit(); <<
1297 fOldPolarization = fNewPolarization.unit( <<
1298 874
1299 if(fStatus == FresnelRefraction) << 875 if (DichroicVector) {
1300 { << 876 G4double wavelength = h_Planck*c_light/thePhotonMomentum;
1301 done = (fNewMomentum * fGlobalNormal <= << 877 theTransmittance =
1302 } << 878 DichroicVector->Value(wavelength/nm,angleIncident,idx,idy)*perCent;
1303 else << 879 // G4cout << "wavelength: " << std::floor(wavelength/nm)
1304 { << 880 // << "nm" << G4endl;
1305 done = (fNewMomentum * fGlobalNormal >= << 881 // G4cout << "Incident angle: " << angleIncident << "deg" << G4endl;
1306 } << 882 // G4cout << "Transmittance: "
1307 // Loop checking, 13-Aug-2015, Peter Gump << 883 // << std::floor(theTransmittance/perCent) << "%" << G4endl;
1308 } while(!done); << 884 } else {
1309 << 885 G4ExceptionDescription ed;
1310 if(inside && !swap) << 886 ed << " G4OpBoundaryProcess/DielectricDichroic(): "
1311 { << 887 << " The dichroic surface has no G4Physics2DVector"
1312 if(fFinish == polishedbackpainted || fFin << 888 << G4endl;
1313 { << 889 G4Exception("G4OpBoundaryProcess::DielectricDichroic", "OpBoun03",
1314 G4double rand = G4UniformRand(); << 890 FatalException,ed,
1315 if(rand > fReflectivity + fTransmittanc << 891 "A dichroic surface must have an associated G4Physics2DVector");
1316 { << 892 }
1317 DoAbsorption(); << 893
1318 } << 894 if ( !G4BooleanRand(theTransmittance) ) { // Not transmitted, so reflect
1319 else if(rand > fReflectivity) << 895
1320 { << 896 if ( theModel == glisur || theFinish == polished ) {
1321 fStatus = Transmission; << 897 DoReflection();
1322 fNewMomentum = fOldMomentum; << 898 } else {
1323 fNewPolarization = fOldPolarization; << 899 ChooseReflection();
1324 } << 900 if ( theStatus == LambertianReflection ) {
1325 else << 901 DoReflection();
1326 { << 902 } else if ( theStatus == BackScattering ) {
1327 if(fStatus != FresnelRefraction) << 903 NewMomentum = -OldMomentum;
1328 { << 904 NewPolarization = -OldPolarization;
1329 fGlobalNormal = -fGlobalNormal; << 905 } else {
1330 } << 906 do {
1331 else << 907 if (theStatus==LobeReflection)
1332 { << 908 theFacetNormal = GetFacetNormal(OldMomentum,theGlobalNormal);
1333 swap = !swap; << 909 G4double PdotN = OldMomentum * theFacetNormal;
1334 G4SwapPtr(fMaterial1, fMaterial2); << 910 NewMomentum = OldMomentum - (2.*PdotN)*theFacetNormal;
1335 G4SwapObj(&fRindex1, &fRindex2); << 911 } while (NewMomentum * theGlobalNormal <= 0.0);
1336 } << 912 G4double EdotN = OldPolarization * theFacetNormal;
1337 if(fFinish == groundbackpainted) << 913 NewPolarization = -OldPolarization + (2.*EdotN)*theFacetNormal;
1338 fStatus = LambertianReflection; << 914 }
>> 915 }
>> 916
>> 917 } else {
>> 918
>> 919 theStatus = Dichroic;
>> 920 NewMomentum = OldMomentum;
>> 921 NewPolarization = OldPolarization;
1339 922
1340 DoReflection(); << 923 }
>> 924 }
1341 925
1342 fGlobalNormal = -fGlobalNormal; << 926 void G4OpBoundaryProcess::DielectricDielectric()
1343 fOldMomentum = fNewMomentum; << 927 {
>> 928 G4bool Inside = false;
>> 929 G4bool Swap = false;
1344 930
1345 goto leap; << 931 G4bool SurfaceRoughnessCriterionPass = 1;
1346 } << 932 if (theSurfaceRoughness != 0. && Rindex1 > Rindex2) {
1347 } << 933 G4double wavelength = h_Planck*c_light/thePhotonMomentum;
1348 } << 934 G4double SurfaceRoughnessCriterion =
>> 935 std::exp(-std::pow((4*pi*theSurfaceRoughness*Rindex1*cost1/wavelength),2));
>> 936 SurfaceRoughnessCriterionPass =
>> 937 G4BooleanRand(SurfaceRoughnessCriterion);
>> 938 }
>> 939
>> 940 leap:
>> 941
>> 942 G4bool Through = false;
>> 943 G4bool Done = false;
>> 944
>> 945 do {
>> 946
>> 947 if (Through) {
>> 948 Swap = !Swap;
>> 949 Through = false;
>> 950 theGlobalNormal = -theGlobalNormal;
>> 951 G4SwapPtr(Material1,Material2);
>> 952 G4SwapObj(&Rindex1,&Rindex2);
>> 953 }
>> 954
>> 955 if ( theFinish == polished ) {
>> 956 theFacetNormal = theGlobalNormal;
>> 957 }
>> 958 else {
>> 959 theFacetNormal =
>> 960 GetFacetNormal(OldMomentum,theGlobalNormal);
>> 961 }
>> 962
>> 963 G4double PdotN = OldMomentum * theFacetNormal;
>> 964 G4double EdotN = OldPolarization * theFacetNormal;
>> 965
>> 966 cost1 = - PdotN;
>> 967 if (std::abs(cost1) < 1.0-kCarTolerance){
>> 968 sint1 = std::sqrt(1.-cost1*cost1);
>> 969 sint2 = sint1*Rindex1/Rindex2; // *** Snell's Law ***
>> 970 }
>> 971 else {
>> 972 sint1 = 0.0;
>> 973 sint2 = 0.0;
>> 974 }
>> 975
>> 976 if (sint2 >= 1.0) {
>> 977
>> 978 // Simulate total internal reflection
>> 979
>> 980 if (Swap) Swap = !Swap;
>> 981
>> 982 theStatus = TotalInternalReflection;
>> 983
>> 984 if ( !SurfaceRoughnessCriterionPass ) theStatus =
>> 985 LambertianReflection;
>> 986
>> 987 if ( theModel == unified && theFinish != polished )
>> 988 ChooseReflection();
>> 989
>> 990 if ( theStatus == LambertianReflection ) {
>> 991 DoReflection();
>> 992 }
>> 993 else if ( theStatus == BackScattering ) {
>> 994 NewMomentum = -OldMomentum;
>> 995 NewPolarization = -OldPolarization;
>> 996 }
>> 997 else {
>> 998
>> 999 PdotN = OldMomentum * theFacetNormal;
>> 1000 NewMomentum = OldMomentum - (2.*PdotN)*theFacetNormal;
>> 1001 EdotN = OldPolarization * theFacetNormal;
>> 1002 NewPolarization = -OldPolarization + (2.*EdotN)*theFacetNormal;
>> 1003
>> 1004 }
>> 1005 }
>> 1006 else if (sint2 < 1.0) {
>> 1007
>> 1008 // Calculate amplitude for transmission (Q = P x N)
>> 1009
>> 1010 if (cost1 > 0.0) {
>> 1011 cost2 = std::sqrt(1.-sint2*sint2);
>> 1012 }
>> 1013 else {
>> 1014 cost2 = -std::sqrt(1.-sint2*sint2);
>> 1015 }
>> 1016
>> 1017 G4ThreeVector A_trans, A_paral, E1pp, E1pl;
>> 1018 G4double E1_perp, E1_parl;
>> 1019
>> 1020 if (sint1 > 0.0) {
>> 1021 A_trans = OldMomentum.cross(theFacetNormal);
>> 1022 A_trans = A_trans.unit();
>> 1023 E1_perp = OldPolarization * A_trans;
>> 1024 E1pp = E1_perp * A_trans;
>> 1025 E1pl = OldPolarization - E1pp;
>> 1026 E1_parl = E1pl.mag();
>> 1027 }
>> 1028 else {
>> 1029 A_trans = OldPolarization;
>> 1030 // Here we Follow Jackson's conventions and we set the
>> 1031 // parallel component = 1 in case of a ray perpendicular
>> 1032 // to the surface
>> 1033 E1_perp = 0.0;
>> 1034 E1_parl = 1.0;
>> 1035 }
>> 1036
>> 1037 G4double s1 = Rindex1*cost1;
>> 1038 G4double E2_perp = 2.*s1*E1_perp/(Rindex1*cost1+Rindex2*cost2);
>> 1039 G4double E2_parl = 2.*s1*E1_parl/(Rindex2*cost1+Rindex1*cost2);
>> 1040 G4double E2_total = E2_perp*E2_perp + E2_parl*E2_parl;
>> 1041 G4double s2 = Rindex2*cost2*E2_total;
>> 1042
>> 1043 G4double TransCoeff;
>> 1044
>> 1045 if (theTransmittance > 0) TransCoeff = theTransmittance;
>> 1046 else if (cost1 != 0.0) TransCoeff = s2/s1;
>> 1047 else TransCoeff = 0.0;
>> 1048
>> 1049 G4double E2_abs, C_parl, C_perp;
>> 1050
>> 1051 if ( !G4BooleanRand(TransCoeff) ) {
>> 1052
>> 1053 // Simulate reflection
>> 1054
>> 1055 if (Swap) Swap = !Swap;
>> 1056
>> 1057 theStatus = FresnelReflection;
>> 1058
>> 1059 if ( !SurfaceRoughnessCriterionPass ) theStatus =
>> 1060 LambertianReflection;
>> 1061
>> 1062 if ( theModel == unified && theFinish != polished )
>> 1063 ChooseReflection();
>> 1064
>> 1065 if ( theStatus == LambertianReflection ) {
>> 1066 DoReflection();
>> 1067 }
>> 1068 else if ( theStatus == BackScattering ) {
>> 1069 NewMomentum = -OldMomentum;
>> 1070 NewPolarization = -OldPolarization;
>> 1071 }
>> 1072 else {
>> 1073
>> 1074 PdotN = OldMomentum * theFacetNormal;
>> 1075 NewMomentum = OldMomentum - (2.*PdotN)*theFacetNormal;
>> 1076
>> 1077 if (sint1 > 0.0) { // incident ray oblique
>> 1078
>> 1079 E2_parl = Rindex2*E2_parl/Rindex1 - E1_parl;
>> 1080 E2_perp = E2_perp - E1_perp;
>> 1081 E2_total = E2_perp*E2_perp + E2_parl*E2_parl;
>> 1082 A_paral = NewMomentum.cross(A_trans);
>> 1083 A_paral = A_paral.unit();
>> 1084 E2_abs = std::sqrt(E2_total);
>> 1085 C_parl = E2_parl/E2_abs;
>> 1086 C_perp = E2_perp/E2_abs;
>> 1087
>> 1088 NewPolarization = C_parl*A_paral + C_perp*A_trans;
>> 1089
>> 1090 }
>> 1091
>> 1092 else { // incident ray perpendicular
>> 1093
>> 1094 if (Rindex2 > Rindex1) {
>> 1095 NewPolarization = - OldPolarization;
>> 1096 }
>> 1097 else {
>> 1098 NewPolarization = OldPolarization;
>> 1099 }
>> 1100
>> 1101 }
>> 1102 }
>> 1103 }
>> 1104 else { // photon gets transmitted
>> 1105
>> 1106 // Simulate transmission/refraction
>> 1107
>> 1108 Inside = !Inside;
>> 1109 Through = true;
>> 1110 theStatus = FresnelRefraction;
>> 1111
>> 1112 if (sint1 > 0.0) { // incident ray oblique
>> 1113
>> 1114 G4double alpha = cost1 - cost2*(Rindex2/Rindex1);
>> 1115 NewMomentum = OldMomentum + alpha*theFacetNormal;
>> 1116 NewMomentum = NewMomentum.unit();
>> 1117 PdotN = -cost2;
>> 1118 A_paral = NewMomentum.cross(A_trans);
>> 1119 A_paral = A_paral.unit();
>> 1120 E2_abs = std::sqrt(E2_total);
>> 1121 C_parl = E2_parl/E2_abs;
>> 1122 C_perp = E2_perp/E2_abs;
>> 1123
>> 1124 NewPolarization = C_parl*A_paral + C_perp*A_trans;
>> 1125
>> 1126 }
>> 1127 else { // incident ray perpendicular
>> 1128
>> 1129 NewMomentum = OldMomentum;
>> 1130 NewPolarization = OldPolarization;
>> 1131
>> 1132 }
>> 1133 }
>> 1134 }
>> 1135
>> 1136 OldMomentum = NewMomentum.unit();
>> 1137 OldPolarization = NewPolarization.unit();
>> 1138
>> 1139 if (theStatus == FresnelRefraction) {
>> 1140 Done = (NewMomentum * theGlobalNormal <= 0.0);
>> 1141 }
>> 1142 else {
>> 1143 Done = (NewMomentum * theGlobalNormal >= 0.0);
>> 1144 }
>> 1145
>> 1146 } while (!Done);
>> 1147
>> 1148 if (Inside && !Swap) {
>> 1149 if( theFinish == polishedbackpainted ||
>> 1150 theFinish == groundbackpainted ) {
>> 1151
>> 1152 G4double rand = G4UniformRand();
>> 1153 if ( rand > theReflectivity ) {
>> 1154 if (rand > theReflectivity + theTransmittance) {
>> 1155 DoAbsorption();
>> 1156 } else {
>> 1157 theStatus = Transmission;
>> 1158 NewMomentum = OldMomentum;
>> 1159 NewPolarization = OldPolarization;
>> 1160 }
>> 1161 }
>> 1162 else {
>> 1163 if (theStatus != FresnelRefraction ) {
>> 1164 theGlobalNormal = -theGlobalNormal;
>> 1165 }
>> 1166 else {
>> 1167 Swap = !Swap;
>> 1168 G4SwapPtr(Material1,Material2);
>> 1169 G4SwapObj(&Rindex1,&Rindex2);
>> 1170 }
>> 1171 if ( theFinish == groundbackpainted )
>> 1172 theStatus = LambertianReflection;
>> 1173
>> 1174 DoReflection();
>> 1175
>> 1176 theGlobalNormal = -theGlobalNormal;
>> 1177 OldMomentum = NewMomentum;
>> 1178
>> 1179 goto leap;
>> 1180 }
>> 1181 }
>> 1182 }
1349 } 1183 }
1350 1184
1351 //....oooOO0OOooo........oooOO0OOooo........o << 1185 // GetMeanFreePath
1352 G4double G4OpBoundaryProcess::GetMeanFreePath << 1186 // ---------------
>> 1187 //
>> 1188 G4double G4OpBoundaryProcess::GetMeanFreePath(const G4Track& ,
>> 1189 G4double ,
1353 1190 G4ForceCondition* condition)
1354 { 1191 {
1355 *condition = Forced; << 1192 *condition = Forced;
1356 return DBL_MAX; << 1193
>> 1194 return DBL_MAX;
1357 } 1195 }
1358 1196
1359 //....oooOO0OOooo........oooOO0OOooo........o << 1197 G4double G4OpBoundaryProcess::GetIncidentAngle()
1360 G4double G4OpBoundaryProcess::GetIncidentAngl <<
1361 { 1198 {
1362 return pi - std::acos(fOldMomentum * fFacet << 1199 G4double PdotN = OldMomentum * theFacetNormal;
1363 (fOldMomentum.mag() * << 1200 G4double magP= OldMomentum.mag();
>> 1201 G4double magN= theFacetNormal.mag();
>> 1202 G4double incidentangle = pi - std::acos(PdotN/(magP*magN));
>> 1203
>> 1204 return incidentangle;
1364 } 1205 }
1365 1206
1366 //....oooOO0OOooo........oooOO0OOooo........o <<
1367 G4double G4OpBoundaryProcess::GetReflectivity 1207 G4double G4OpBoundaryProcess::GetReflectivity(G4double E1_perp,
1368 1208 G4double E1_parl,
1369 1209 G4double incidentangle,
1370 << 1210 G4double RealRindex,
1371 << 1211 G4double ImaginaryRindex)
1372 { 1212 {
1373 G4complex reflectivity, reflectivity_TE, re <<
1374 G4complex N1(fRindex1, 0.), N2(realRindex, <<
1375 G4complex cosPhi; <<
1376 1213
1377 G4complex u(1., 0.); // unit number 1 << 1214 G4complex Reflectivity, Reflectivity_TE, Reflectivity_TM;
>> 1215 G4complex N(RealRindex, ImaginaryRindex);
>> 1216 G4complex CosPhi;
>> 1217
>> 1218 G4complex u(1,0); //unit number 1
1378 1219
1379 G4complex numeratorTE; // E1_perp=1 E1_par << 1220 G4complex numeratorTE; // E1_perp=1 E1_parl=0 -> TE polarization
1380 G4complex numeratorTM; // E1_parl=1 E1_per << 1221 G4complex numeratorTM; // E1_parl=1 E1_perp=0 -> TM polarization
1381 G4complex denominatorTE, denominatorTM; 1222 G4complex denominatorTE, denominatorTM;
1382 G4complex rTM, rTE; 1223 G4complex rTM, rTE;
1383 1224
1384 G4MaterialPropertiesTable* MPT = fMaterial1 <<
1385 G4MaterialPropertyVector* ppR = MPT->GetPr <<
1386 G4MaterialPropertyVector* ppI = MPT->GetPr <<
1387 if(ppR && ppI) <<
1388 { <<
1389 G4double rRindex = ppR->Value(fPhotonMome <<
1390 G4double iRindex = ppI->Value(fPhotonMome <<
1391 N1 = G4complex(rRindex, iRi <<
1392 } <<
1393 <<
1394 // Following two equations, rTM and rTE, ar 1225 // Following two equations, rTM and rTE, are from: "Introduction To Modern
1395 // Optics" written by Fowles 1226 // Optics" written by Fowles
1396 cosPhi = std::sqrt(u - ((std::sin(incidenta <<
1397 (N1 * N1) / (N2 * N <<
1398 1227
1399 numeratorTE = N1 * std::cos(incidentangle << 1228 CosPhi=std::sqrt(u-((std::sin(incidentangle)*std::sin(incidentangle))/(N*N)));
1400 denominatorTE = N1 * std::cos(incidentangle << 1229
1401 rTE = numeratorTE / denominatorTE << 1230 numeratorTE = std::cos(incidentangle) - N*CosPhi;
1402 << 1231 denominatorTE = std::cos(incidentangle) + N*CosPhi;
1403 numeratorTM = N2 * std::cos(incidentangle << 1232 rTE = numeratorTE/denominatorTE;
1404 denominatorTM = N2 * std::cos(incidentangle << 1233
1405 rTM = numeratorTM / denominatorTM << 1234 numeratorTM = N*std::cos(incidentangle) - CosPhi;
>> 1235 denominatorTM = N*std::cos(incidentangle) + CosPhi;
>> 1236 rTM = numeratorTM/denominatorTM;
1406 1237
1407 // This is my (PG) calculaton for reflectiv << 1238 // This is my calculaton for reflectivity on a metalic surface
1408 // depending on the fraction of TE and TM p 1239 // depending on the fraction of TE and TM polarization
1409 // when TE polarization, E1_parl=0 and E1_p 1240 // when TE polarization, E1_parl=0 and E1_perp=1, R=abs(rTE)^2 and
1410 // when TM polarization, E1_parl=1 and E1_p 1241 // when TM polarization, E1_parl=1 and E1_perp=0, R=abs(rTM)^2
1411 1242
1412 reflectivity_TE = (rTE * conj(rTE)) * (E1_p << 1243 Reflectivity_TE = (rTE*conj(rTE))*(E1_perp*E1_perp)
1413 (E1_perp * E1_perp + E1_p << 1244 / (E1_perp*E1_perp + E1_parl*E1_parl);
1414 reflectivity_TM = (rTM * conj(rTM)) * (E1_p << 1245 Reflectivity_TM = (rTM*conj(rTM))*(E1_parl*E1_parl)
1415 (E1_perp * E1_perp + E1_p << 1246 / (E1_perp*E1_perp + E1_parl*E1_parl);
1416 reflectivity = reflectivity_TE + reflectivi << 1247 Reflectivity = Reflectivity_TE + Reflectivity_TM;
1417 << 1248
1418 do << 1249 do {
1419 { << 1250 if(G4UniformRand()*real(Reflectivity) > real(Reflectivity_TE))
1420 if(G4UniformRand() * real(reflectivity) > << 1251 {iTE = -1;}else{iTE = 1;}
1421 { << 1252 if(G4UniformRand()*real(Reflectivity) > real(Reflectivity_TM))
1422 f_iTE = -1; << 1253 {iTM = -1;}else{iTM = 1;}
1423 } << 1254 } while(iTE<0&&iTM<0);
1424 else << 1255
1425 { << 1256 return real(Reflectivity);
1426 f_iTE = 1; <<
1427 } <<
1428 if(G4UniformRand() * real(reflectivity) > <<
1429 { <<
1430 f_iTM = -1; <<
1431 } <<
1432 else <<
1433 { <<
1434 f_iTM = 1; <<
1435 } <<
1436 // Loop checking, 13-Aug-2015, Peter Gump <<
1437 } while(f_iTE < 0 && f_iTM < 0); <<
1438 1257
1439 return real(reflectivity); <<
1440 } 1258 }
1441 1259
1442 //....oooOO0OOooo........oooOO0OOooo........o <<
1443 void G4OpBoundaryProcess::CalculateReflectivi 1260 void G4OpBoundaryProcess::CalculateReflectivity()
1444 { 1261 {
1445 G4double realRindex = fRealRIndexMPV->Value << 1262 G4double RealRindex =
1446 G4double imaginaryRindex = << 1263 PropertyPointer1->Value(thePhotonMomentum);
1447 fImagRIndexMPV->Value(fPhotonMomentum, id << 1264 G4double ImaginaryRindex =
>> 1265 PropertyPointer2->Value(thePhotonMomentum);
1448 1266
1449 // calculate FacetNormal 1267 // calculate FacetNormal
1450 if(fFinish == ground) << 1268 if ( theFinish == ground ) {
1451 { << 1269 theFacetNormal =
1452 fFacetNormal = GetFacetNormal(fOldMomentu << 1270 GetFacetNormal(OldMomentum, theGlobalNormal);
1453 } << 1271 } else {
1454 else << 1272 theFacetNormal = theGlobalNormal;
1455 { <<
1456 fFacetNormal = fGlobalNormal; <<
1457 } 1273 }
1458 1274
1459 G4double cost1 = -fOldMomentum * fFacetNorm << 1275 G4double PdotN = OldMomentum * theFacetNormal;
1460 if(std::abs(cost1) < 1.0 - fCarTolerance) << 1276 cost1 = -PdotN;
1461 { << 1277
1462 fSint1 = std::sqrt(1. - cost1 * cost1); << 1278 if (std::abs(cost1) < 1.0 - kCarTolerance) {
1463 } << 1279 sint1 = std::sqrt(1. - cost1*cost1);
1464 else << 1280 } else {
1465 { << 1281 sint1 = 0.0;
1466 fSint1 = 0.0; <<
1467 } 1282 }
1468 1283
1469 G4ThreeVector A_trans, A_paral, E1pp, E1pl; 1284 G4ThreeVector A_trans, A_paral, E1pp, E1pl;
1470 G4double E1_perp, E1_parl; 1285 G4double E1_perp, E1_parl;
1471 1286
1472 if(fSint1 > 0.0) << 1287 if (sint1 > 0.0 ) {
1473 { << 1288 A_trans = OldMomentum.cross(theFacetNormal);
1474 A_trans = (fOldMomentum.cross(fFacetNorma << 1289 A_trans = A_trans.unit();
1475 E1_perp = fOldPolarization * A_trans; << 1290 E1_perp = OldPolarization * A_trans;
1476 E1pp = E1_perp * A_trans; << 1291 E1pp = E1_perp * A_trans;
1477 E1pl = fOldPolarization - E1pp; << 1292 E1pl = OldPolarization - E1pp;
1478 E1_parl = E1pl.mag(); << 1293 E1_parl = E1pl.mag();
1479 } << 1294 }
1480 else << 1295 else {
1481 { << 1296 A_trans = OldPolarization;
1482 A_trans = fOldPolarization; << 1297 // Here we Follow Jackson's conventions and we set the
1483 // Here we Follow Jackson's conventions a << 1298 // parallel component = 1 in case of a ray perpendicular
1484 // component = 1 in case of a ray perpend << 1299 // to the surface
1485 E1_perp = 0.0; << 1300 E1_perp = 0.0;
1486 E1_parl = 1.0; << 1301 E1_parl = 1.0;
1487 } 1302 }
1488 1303
>> 1304 //calculate incident angle
1489 G4double incidentangle = GetIncidentAngle() 1305 G4double incidentangle = GetIncidentAngle();
1490 1306
1491 // calculate the reflectivity depending on << 1307 //calculate the reflectivity depending on incident angle,
1492 // polarization and complex refractive << 1308 //polarization and complex refractive
1493 fReflectivity = GetReflectivity(E1_perp, E1 << 1309
1494 imaginaryRi << 1310 theReflectivity =
>> 1311 GetReflectivity(E1_perp, E1_parl, incidentangle,
>> 1312 RealRindex, ImaginaryRindex);
1495 } 1313 }
1496 1314
1497 //....oooOO0OOooo........oooOO0OOooo........o <<
1498 G4bool G4OpBoundaryProcess::InvokeSD(const G4 1315 G4bool G4OpBoundaryProcess::InvokeSD(const G4Step* pStep)
1499 { 1316 {
1500 G4Step aStep = *pStep; 1317 G4Step aStep = *pStep;
1501 aStep.AddTotalEnergyDeposit(fPhotonMomentum <<
1502 <<
1503 G4VSensitiveDetector* sd = aStep.GetPostSte <<
1504 if(sd != nullptr) <<
1505 return sd->Hit(&aStep); <<
1506 else <<
1507 return false; <<
1508 } <<
1509 <<
1510 //....oooOO0OOooo........oooOO0OOooo........o <<
1511 inline void G4OpBoundaryProcess::SetInvokeSD( <<
1512 { <<
1513 fInvokeSD = flag; <<
1514 G4OpticalParameters::Instance()->SetBoundar <<
1515 } <<
1516 <<
1517 //....oooOO0OOooo........oooOO0OOooo........o <<
1518 void G4OpBoundaryProcess::SetVerboseLevel(G4i <<
1519 { <<
1520 verboseLevel = verbose; <<
1521 G4OpticalParameters::Instance()->SetBoundar <<
1522 } <<
1523 <<
1524 //....oooOO0OOooo........oooOO0OOooo........o <<
1525 void G4OpBoundaryProcess::CoatedDielectricDie <<
1526 { <<
1527 G4MaterialPropertyVector* pp = nullptr; <<
1528 <<
1529 G4MaterialPropertiesTable* MPT = fMaterial2 <<
1530 if((pp = MPT->GetProperty(kRINDEX))) <<
1531 { <<
1532 fRindex2 = pp->Value(fPhotonMomentum, idx <<
1533 } <<
1534 <<
1535 MPT = fOpticalSurface->GetMaterialPropertie <<
1536 if((pp = MPT->GetProperty(kCOATEDRINDEX))) <<
1537 { <<
1538 fCoatedRindex = pp->Value(fPhotonMomentum <<
1539 } <<
1540 if(MPT->ConstPropertyExists(kCOATEDTHICKNES <<
1541 { <<
1542 fCoatedThickness = MPT->GetConstProperty( <<
1543 } <<
1544 if(MPT->ConstPropertyExists(kCOATEDFRUSTRAT <<
1545 { <<
1546 fCoatedFrustratedTransmission = <<
1547 (G4bool)MPT->GetConstProperty(kCOATEDFR <<
1548 } <<
1549 <<
1550 G4double sintTL; <<
1551 G4double wavelength = h_Planck * c_light / <<
1552 G4double PdotN; <<
1553 G4double E1_perp, E1_parl; <<
1554 G4double s1, E2_perp, E2_parl, E2_total, tr <<
1555 G4double E2_abs, C_parl, C_perp; <<
1556 G4double alpha; <<
1557 G4ThreeVector A_trans, A_paral, E1pp, E1pl; <<
1558 //G4bool Inside = false; <<
1559 //G4bool Swap = false; <<
1560 G4bool through = false; <<
1561 G4bool done = false; <<
1562 <<
1563 do { <<
1564 if (through) <<
1565 { <<
1566 //Swap = !Swap; <<
1567 through = false; <<
1568 fGlobalNormal = -fGlobalNormal; <<
1569 G4SwapPtr(fMaterial1, fMaterial2); <<
1570 G4SwapObj(&fRindex1, &fRindex2); <<
1571 } <<
1572 <<
1573 if(fFinish == polished) <<
1574 { <<
1575 fFacetNormal = fGlobalNormal; <<
1576 } <<
1577 else <<
1578 { <<
1579 fFacetNormal = GetFacetNormal(fOldMomen <<
1580 } <<
1581 <<
1582 PdotN = fOldMomentum * fFacetNormal; <<
1583 G4double cost1 = -PdotN; <<
1584 G4double sint2, cost2 = 0.; <<
1585 <<
1586 if (std::abs(cost1) < 1.0 - fCarTolerance <<
1587 { <<
1588 fSint1 = std::sqrt(1. - cost1 * cost1); <<
1589 sint2 = fSint1 * fRindex1 / fRindex2; <<
1590 sintTL = fSint1 * fRindex1 / fCoatedRin <<
1591 } else <<
1592 { <<
1593 fSint1 = 0.0; <<
1594 sint2 = 0.0; <<
1595 sintTL = 0.0; <<
1596 } <<
1597 <<
1598 if (fSint1 > 0.0) <<
1599 { <<
1600 A_trans = fOldMomentum.cross(fFacetNorm <<
1601 A_trans = A_trans.unit(); <<
1602 E1_perp = fOldPolarization * A_trans; <<
1603 E1pp = E1_perp * A_trans; <<
1604 E1pl = fOldPolarization - E1pp; <<
1605 E1_parl = E1pl.mag(); <<
1606 } <<
1607 else <<
1608 { <<
1609 A_trans = fOldPolarization; <<
1610 E1_perp = 0.0; <<
1611 E1_parl = 1.0; <<
1612 } <<
1613 <<
1614 s1 = fRindex1 * cost1; <<
1615 <<
1616 if (cost1 > 0.0) <<
1617 { <<
1618 cost2 = std::sqrt(1. - sint2 * sint2); <<
1619 } <<
1620 else <<
1621 { <<
1622 cost2 = -std::sqrt(1. - sint2 * sint2); <<
1623 } <<
1624 <<
1625 transCoeff = 0.0; <<
1626 <<
1627 if (sintTL >= 1.0) <<
1628 { // --> Angle > Angle Limit <<
1629 //Swap = false; <<
1630 } <<
1631 E2_perp = 2. * s1 * E1_perp / (fRindex1 * <<
1632 E2_parl = 2. * s1 * E1_parl / (fRindex2 * <<
1633 E2_total = E2_perp * E2_perp + E2_parl * <<
1634 <<
1635 transCoeff = 1. - GetReflectivityThroughT <<
1636 sintTL, E1_perp, E1_p <<
1637 if (!G4BooleanRand(transCoeff)) <<
1638 { <<
1639 if(verboseLevel > 2) <<
1640 G4cout << "Reflection from " << fMate <<
1641 << fMaterial2->GetName() << G4 <<
1642 <<
1643 //Swap = false; <<
1644 <<
1645 if (sintTL >= 1.0) <<
1646 { <<
1647 fStatus = TotalInternalReflection; <<
1648 } <<
1649 else <<
1650 { <<
1651 fStatus = CoatedDielectricReflection; <<
1652 } <<
1653 <<
1654 PdotN = fOldMomentum * fFacetNormal; <<
1655 fNewMomentum = fOldMomentum - (2. * Pdo <<
1656 <<
1657 if (fSint1 > 0.0) { // incident ray o <<
1658 <<
1659 E2_parl = fRindex2 * E2_parl / fRinde <<
1660 E2_perp = E2_perp - E1_perp; <<
1661 E2_total = E2_perp * E2_perp + E2_par <<
1662 A_paral = fNewMomentum.cross(A_trans) <<
1663 A_paral = A_paral.unit(); <<
1664 E2_abs = std::sqrt(E2_total); <<
1665 C_parl = E2_parl / E2_abs; <<
1666 C_perp = E2_perp / E2_abs; <<
1667 <<
1668 fNewPolarization = C_parl * A_paral + <<
1669 <<
1670 } <<
1671 else <<
1672 { // incident ray perpend <<
1673 if (fRindex2 > fRindex1) <<
1674 { <<
1675 fNewPolarization = -fOldPolarizatio <<
1676 } <<
1677 else <<
1678 { <<
1679 fNewPolarization = fOldPolarization <<
1680 } <<
1681 } <<
1682 <<
1683 } else { // photon gets transmitted <<
1684 if (verboseLevel > 2) <<
1685 G4cout << "Transmission from " << fMa <<
1686 << fMaterial2->GetName() << G4 <<
1687 <<
1688 //Inside = !Inside; <<
1689 through = true; <<
1690 <<
1691 if (fEfficiency > 0.) <<
1692 { <<
1693 DoAbsorption(); <<
1694 return; <<
1695 } <<
1696 else <<
1697 { <<
1698 if (sintTL >= 1.0) <<
1699 { <<
1700 fStatus = CoatedDielectricFrustrate <<
1701 } <<
1702 else <<
1703 { <<
1704 fStatus = CoatedDielectricRefractio <<
1705 } <<
1706 <<
1707 if (fSint1 > 0.0) { // incident <<
1708 <<
1709 alpha = cost1 - cost2 * (fRindex2 / <<
1710 fNewMomentum = fOldMomentum + alpha <<
1711 fNewMomentum = fNewMomentum.unit(); <<
1712 A_paral = fNewMomentum.cross(A_tran <<
1713 A_paral = A_paral.unit(); <<
1714 E2_abs = std::sqrt(E2_total); <<
1715 C_parl = E2_parl / E2_abs; <<
1716 C_perp = E2_perp / E2_abs; <<
1717 <<
1718 fNewPolarization = C_parl * A_paral <<
1719 <<
1720 } <<
1721 else <<
1722 { // incident ray pe <<
1723 fNewMomentum = fOldMomentum; <<
1724 fNewPolarization = fOldPolarization <<
1725 } <<
1726 } <<
1727 } <<
1728 1318
1729 fOldMomentum = fNewMomentum.unit(); << 1319 aStep.AddTotalEnergyDeposit(thePhotonMomentum);
1730 fOldPolarization = fNewPolarization.unit( <<
1731 if ((fStatus == CoatedDielectricFrustrate <<
1732 (fStatus == CoatedDielectricRefractio <<
1733 { <<
1734 done = (fNewMomentum * fGlobalNormal <= <<
1735 } <<
1736 else <<
1737 { <<
1738 done = (fNewMomentum * fGlobalNormal >= <<
1739 } <<
1740 1320
1741 } while (!done); << 1321 G4VSensitiveDetector* sd = aStep.GetPostStepPoint()->GetSensitiveDetector();
1742 } << 1322 if (sd) return sd->Hit(&aStep);
1743 << 1323 else return false;
1744 //....oooOO0OOooo........oooOO0OOooo........o <<
1745 G4double G4OpBoundaryProcess::GetReflectivity <<
1746 G4double E1_perp, <<
1747 G4double E1_parl, <<
1748 G4double wavelength, G4dou <<
1749 G4complex Reflectivity, Reflectivity_TE, Re <<
1750 G4double gammaTL, costTL; <<
1751 <<
1752 G4complex i(0, 1); <<
1753 G4complex rTM, rTE; <<
1754 G4complex r1toTL, rTLto2; <<
1755 G4double k0 = 2 * pi / wavelength; <<
1756 <<
1757 // Angle > Angle limit <<
1758 if (sinTL >= 1.0) { <<
1759 if (fCoatedFrustratedTransmission) { //Fr <<
1760 <<
1761 if (cost1 > 0.0) <<
1762 { <<
1763 gammaTL = std::sqrt(fRindex1 * fRinde <<
1764 fCoatedRindex * fCoatedRin <<
1765 } <<
1766 else <<
1767 { <<
1768 gammaTL = -std::sqrt(fRindex1 * fRind <<
1769 fCoatedRindex * fCoatedRin <<
1770 } <<
1771 <<
1772 // TE <<
1773 r1toTL = (fRindex1 * cost1 - i * gammaT <<
1774 rTLto2 = (i * gammaTL - fRindex2 * cost <<
1775 if (cost1 != 0.0) <<
1776 { <<
1777 rTE = (r1toTL + rTLto2 * std::exp(-2 <<
1778 (1.0 + r1toTL * rTLto2 * std <<
1779 } <<
1780 // TM <<
1781 r1toTL = (fRindex1 * i * gammaTL - fCoa <<
1782 (fRindex1 * i * gammaTL + f <<
1783 rTLto2 = (fCoatedRindex * fCoatedRindex <<
1784 (fCoatedRindex * fCoatedRin <<
1785 if (cost1 != 0.0) <<
1786 { <<
1787 rTM = (r1toTL + rTLto2 * std::exp(-2 <<
1788 (1.0 + r1toTL * rTLto2 * std <<
1789 } <<
1790 } <<
1791 else <<
1792 { //Total reflection <<
1793 return(1.); <<
1794 } <<
1795 } <<
1796 <<
1797 // Angle <= Angle limit <<
1798 else //if (sinTL < 1.0) <<
1799 { <<
1800 if (cost1 > 0.0) <<
1801 { <<
1802 costTL = std::sqrt(1. - sinTL * sinTL); <<
1803 } <<
1804 else <<
1805 { <<
1806 costTL = -std::sqrt(1. - sinTL * sinTL) <<
1807 } <<
1808 // TE <<
1809 r1toTL = (fRindex1 * cost1 - fCoatedRinde <<
1810 rTLto2 = (fCoatedRindex * costTL - fRinde <<
1811 if (cost1 != 0.0) <<
1812 { <<
1813 rTE = (r1toTL + rTLto2 * std::exp(2.0 * <<
1814 (1.0 + r1toTL * rTLto2 * std::exp <<
1815 } <<
1816 // TM <<
1817 r1toTL = (fRindex1 * costTL - fCoatedRind <<
1818 rTLto2 = (fCoatedRindex * cost2 - fRindex <<
1819 if (cost1 != 0.0) <<
1820 { <<
1821 rTM = (r1toTL + rTLto2 * std::exp(2.0 * <<
1822 (1.0 + r1toTL * rTLto2 * std::exp <<
1823 } <<
1824 } <<
1825 <<
1826 Reflectivity_TE = (rTE * conj(rTE)) * (E1_p <<
1827 Reflectivity_TM = (rTM * conj(rTM)) * (E1_p <<
1828 Reflectivity = Reflectivity_TE + Reflectivi <<
1829 <<
1830 return real(Reflectivity); <<
1831 } 1324 }
1832 1325