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25 // 7 //
26 // Implementation of the base class for solids << 8 // $Id: G4BooleanSolid.cc,v 1.4 2000/11/20 17:56:01 gcosmo Exp $
>> 9 // GEANT4 tag $Name: geant4-03-00 $
>> 10 //
>> 11 // Implementation for the abstract base class for solids created by boolean
27 // operations between other solids 12 // operations between other solids
28 // 13 //
29 // 1998.09.10 V.Grichine - created << 14 // History:
30 // ------------------------------------------- << 15 //
>> 16 // 10.09.98 V.Grichine, creation according J. Apostolakis's recommendations
31 17
32 #include "G4BooleanSolid.hh" 18 #include "G4BooleanSolid.hh"
33 #include "G4VSolid.hh" <<
34 #include "G4DisplacedSolid.hh" 19 #include "G4DisplacedSolid.hh"
35 #include "G4ReflectedSolid.hh" <<
36 #include "G4ScaledSolid.hh" <<
37 #include "G4Polyhedron.hh" <<
38 #include "HepPolyhedronProcessor.h" <<
39 #include "G4QuickRand.hh" <<
40 20
41 #include "G4AutoLock.hh" << 21 #include "G4RotationMatrix.hh"
42 << 22 #include "G4ThreeVector.hh"
43 namespace << 23 #include "G4Transform3D.hh"
44 { << 24 #include "G4AffineTransform.hh"
45 G4RecursiveMutex polyhedronMutex = G4MUTEX_I <<
46 } <<
47 <<
48 G4VBooleanProcessor* G4BooleanSolid::fExternal <<
49 25
50 ////////////////////////////////////////////// 26 //////////////////////////////////////////////////////////////////
51 // 27 //
52 // Constructor << 28 //
53 29
54 G4BooleanSolid::G4BooleanSolid( const G4String 30 G4BooleanSolid::G4BooleanSolid( const G4String& pName,
55 G4VSolid* pSol 31 G4VSolid* pSolidA ,
56 G4VSolid* pSol << 32 G4VSolid* pSolidB ) :
57 : G4VSolid(pName), fPtrSolidA(pSolidA), fPtr << 33 G4VSolid(pName),
>> 34 createdDisplacedSolid(false)
58 { 35 {
>> 36 fPtrSolidA = pSolidA ;
>> 37 fPtrSolidB = pSolidB ;
59 } 38 }
60 39
61 ////////////////////////////////////////////// 40 //////////////////////////////////////////////////////////////////
62 // 41 //
63 // Constructor << 42 //
64 43
65 G4BooleanSolid::G4BooleanSolid( const G4String 44 G4BooleanSolid::G4BooleanSolid( const G4String& pName,
66 G4VSolid 45 G4VSolid* pSolidA ,
67 G4VSolid 46 G4VSolid* pSolidB ,
68 G4Rotati 47 G4RotationMatrix* rotMatrix,
69 const G4ThreeV << 48 const G4ThreeVector& transVector ) :
70 : G4VSolid(pName), createdDisplacedSolid(tru << 49 G4VSolid(pName),
>> 50 createdDisplacedSolid(true)
71 { 51 {
72 fPtrSolidA = pSolidA ; 52 fPtrSolidA = pSolidA ;
73 fPtrSolidB = new G4DisplacedSolid("placedB", 53 fPtrSolidB = new G4DisplacedSolid("placedB",pSolidB,rotMatrix,transVector) ;
74 } 54 }
75 55
76 ////////////////////////////////////////////// 56 //////////////////////////////////////////////////////////////////
77 // 57 //
78 // Constructor << 58 //
79 59
80 G4BooleanSolid::G4BooleanSolid( const G4String 60 G4BooleanSolid::G4BooleanSolid( const G4String& pName,
81 G4VSolid 61 G4VSolid* pSolidA ,
82 G4VSolid 62 G4VSolid* pSolidB ,
83 const G4Transf << 63 const G4Transform3D& transform ) :
84 : G4VSolid(pName), createdDisplacedSolid(tru << 64 G4VSolid(pName),
>> 65 createdDisplacedSolid(true)
85 { 66 {
86 fPtrSolidA = pSolidA ; 67 fPtrSolidA = pSolidA ;
87 fPtrSolidB = new G4DisplacedSolid("placedB", 68 fPtrSolidB = new G4DisplacedSolid("placedB",pSolidB,transform) ;
88 } 69 }
89 70
90 ////////////////////////////////////////////// 71 ///////////////////////////////////////////////////////////////
91 // 72 //
92 // Fake default constructor - sets only member << 73 // Destructor deletes second pointer created by 'new'
93 // for usage restri <<
94 <<
95 G4BooleanSolid::G4BooleanSolid( __void__& a ) <<
96 : G4VSolid(a) <<
97 { <<
98 } <<
99 <<
100 ////////////////////////////////////////////// <<
101 // <<
102 // Destructor deletes transformation contents <<
103 74
104 G4BooleanSolid::~G4BooleanSolid() 75 G4BooleanSolid::~G4BooleanSolid()
105 { 76 {
106 if(createdDisplacedSolid) << 77 if(createdDisplacedSolid) delete fPtrSolidB ;
107 { <<
108 ((G4DisplacedSolid*)fPtrSolidB)->CleanTran <<
109 } <<
110 delete fpPolyhedron; fpPolyhedron = nullptr; <<
111 } 78 }
112 79
113 ////////////////////////////////////////////// 80 ///////////////////////////////////////////////////////////////
114 // 81 //
115 // Copy constructor << 82 // If Solid is made up from a Boolean operation of two solids,
116 << 83 // return the corresponding solid (for no=0 and 1)
117 G4BooleanSolid::G4BooleanSolid(const G4Boolean <<
118 : G4VSolid (rhs), fPtrSolidA(rhs.fPtrSolidA) <<
119 fCubicVolume(rhs.fCubicVolume), fSurfaceAr <<
120 fCubVolStatistics(rhs.fCubVolStatistics), <<
121 fAreaStatistics(rhs.fAreaStatistics), <<
122 fCubVolEpsilon(rhs.fCubVolEpsilon), <<
123 fAreaAccuracy(rhs.fAreaAccuracy), <<
124 createdDisplacedSolid(rhs.createdDisplaced <<
125 { <<
126 fPrimitives.resize(0); fPrimitivesSurfaceAre <<
127 } <<
128 <<
129 ////////////////////////////////////////////// <<
130 // <<
131 // Assignment operator <<
132 <<
133 G4BooleanSolid& G4BooleanSolid::operator = (co <<
134 { <<
135 // Check assignment to self <<
136 // <<
137 if (this == &rhs) { return *this; } <<
138 <<
139 // Copy base class data <<
140 // <<
141 G4VSolid::operator=(rhs); <<
142 <<
143 // Copy data <<
144 // <<
145 fPtrSolidA= rhs.fPtrSolidA; fPtrSolidB= rhs. <<
146 fCubicVolume= rhs.fCubicVolume; fSurfaceArea <<
147 fCubVolStatistics = rhs.fCubVolStatistics; f <<
148 fAreaStatistics = rhs.fAreaStatistics; fArea <<
149 createdDisplacedSolid= rhs.createdDisplacedS <<
150 <<
151 fRebuildPolyhedron = false; <<
152 delete fpPolyhedron; fpPolyhedron = nullptr; <<
153 fPrimitives.resize(0); fPrimitivesSurfaceAre <<
154 <<
155 return *this; <<
156 } <<
157 <<
158 ////////////////////////////////////////////// <<
159 // <<
160 // If solid is made up from a Boolean operatio <<
161 // return the corresponding solid (for no=0 an <<
162 // If the solid is not a "Boolean", return 0 84 // If the solid is not a "Boolean", return 0
163 <<
164 const G4VSolid* G4BooleanSolid::GetConstituent 85 const G4VSolid* G4BooleanSolid::GetConstituentSolid(G4int no) const
165 { 86 {
166 const G4VSolid* subSolid = nullptr; << 87 const G4VSolid* subSolid=0;
167 if( no == 0 ) 88 if( no == 0 )
168 subSolid = fPtrSolidA; 89 subSolid = fPtrSolidA;
169 else if( no == 1 ) 90 else if( no == 1 )
170 subSolid = fPtrSolidB; 91 subSolid = fPtrSolidB;
171 else 92 else
172 { << 93 G4Exception("G4BooleanSolid::GetConstituentSolid()const invalid subsolid index");
173 DumpInfo(); << 94
174 G4Exception("G4BooleanSolid::GetConstituen <<
175 "GeomSolids0002", FatalExcepti <<
176 } <<
177 return subSolid; 95 return subSolid;
178 } 96 }
179 97
180 ////////////////////////////////////////////// << 98 G4VSolid* G4BooleanSolid::GetConstituentSolid(G4int no)
181 // <<
182 // If solid is made up from a Boolean operatio <<
183 // return the corresponding solid (for no=0 an <<
184 // If the solid is not a "Boolean", return 0 <<
185 <<
186 G4VSolid* G4BooleanSolid::GetConstituentSolid( <<
187 { 99 {
188 G4VSolid* subSolid = nullptr; << 100 G4VSolid* subSolid=0;
189 if( no == 0 ) 101 if( no == 0 )
190 subSolid = fPtrSolidA; 102 subSolid = fPtrSolidA;
191 else if( no == 1 ) 103 else if( no == 1 )
192 subSolid = fPtrSolidB; 104 subSolid = fPtrSolidB;
193 else 105 else
194 { << 106 G4Exception("G4BooleanSolid::GetConstituentSolid invalid subsolid index");
195 DumpInfo(); <<
196 G4Exception("G4BooleanSolid::GetConstituen <<
197 "GeomSolids0002", FatalExcepti <<
198 } <<
199 return subSolid; <<
200 } <<
201 <<
202 ////////////////////////////////////////////// <<
203 // <<
204 // Returns entity type <<
205 <<
206 G4GeometryType G4BooleanSolid::GetEntityType() <<
207 { <<
208 return {"G4BooleanSolid"}; <<
209 } <<
210 <<
211 ////////////////////////////////////////////// <<
212 // <<
213 // Set number of random points to be used for <<
214 <<
215 void G4BooleanSolid::SetCubVolStatistics(G4int <<
216 { <<
217 if (st != fCubVolStatistics) { fCubicVolume <<
218 fCubVolStatistics = st; <<
219 <<
220 // Propagate st to all components of the 1st <<
221 if (fPtrSolidA->GetNumOfConstituents() > 1) <<
222 { <<
223 G4VSolid* ptr = fPtrSolidA; <<
224 while(true) <<
225 { <<
226 G4String type = ptr->GetEntityType(); <<
227 if (type == "G4DisplacedSolid") <<
228 { <<
229 ptr = ((G4DisplacedSolid*)ptr)->GetCon <<
230 continue; <<
231 } <<
232 if (type == "G4ReflectedSolid") <<
233 { <<
234 ptr = ((G4ReflectedSolid*)ptr)->GetCon <<
235 continue; <<
236 } <<
237 if (type == "G4ScaledSolid") <<
238 { <<
239 ptr = ((G4ScaledSolid*)ptr)->GetUnscal <<
240 continue; <<
241 } <<
242 if (type != "G4MultiUnion") // G4MultiUn <<
243 { <<
244 ((G4BooleanSolid*)ptr)->SetCubVolStatistics( <<
245 } <<
246 break; <<
247 } <<
248 } <<
249 <<
250 // Propagate st to all components of the 2nd <<
251 if (fPtrSolidB->GetNumOfConstituents() > 1) <<
252 { <<
253 G4VSolid* ptr = fPtrSolidB; <<
254 while(true) <<
255 { <<
256 G4String type = ptr->GetEntityType(); <<
257 if (type == "G4DisplacedSolid") <<
258 { <<
259 ptr = ((G4DisplacedSolid*)ptr)->GetCon <<
260 continue; <<
261 } <<
262 if (type == "G4ReflectedSolid") <<
263 { <<
264 ptr = ((G4ReflectedSolid*)ptr)->GetCon <<
265 continue; <<
266 } <<
267 if (type == "G4ScaledSolid") <<
268 { <<
269 ptr = ((G4ScaledSolid*)ptr)->GetUnscal <<
270 continue; <<
271 } <<
272 if (type != "G4MultiUnion") // G4MultiUn <<
273 { <<
274 ((G4BooleanSolid*)ptr)->SetCubVolStatistics( <<
275 } <<
276 break; <<
277 } <<
278 } <<
279 } <<
280 <<
281 ////////////////////////////////////////////// <<
282 // <<
283 // Set epsilon for computing cubic volume <<
284 <<
285 void G4BooleanSolid::SetCubVolEpsilon(G4double <<
286 { <<
287 if (ep != fCubVolEpsilon) { fCubicVolume = - <<
288 fCubVolEpsilon = ep; <<
289 <<
290 // Propagate ep to all components of the 1st <<
291 if (fPtrSolidA->GetNumOfConstituents() > 1) <<
292 { <<
293 G4VSolid* ptr = fPtrSolidA; <<
294 while(true) <<
295 { <<
296 G4String type = ptr->GetEntityType(); <<
297 if (type == "G4DisplacedSolid") <<
298 { <<
299 ptr = ((G4DisplacedSolid*)ptr)->GetCon <<
300 continue; <<
301 } <<
302 if (type == "G4ReflectedSolid") <<
303 { <<
304 ptr = ((G4ReflectedSolid*)ptr)->GetCon <<
305 continue; <<
306 } <<
307 if (type == "G4ScaledSolid") <<
308 { <<
309 ptr = ((G4ScaledSolid*)ptr)->GetUnscal <<
310 continue; <<
311 } <<
312 if (type != "G4MultiUnion") // G4MultiUn <<
313 { <<
314 ((G4BooleanSolid*)ptr)->SetCubVolEpsilon(ep) <<
315 } <<
316 break; <<
317 } <<
318 } <<
319 <<
320 // Propagate ep to all components of the 2nd <<
321 if (fPtrSolidB->GetNumOfConstituents() > 1) <<
322 { <<
323 G4VSolid* ptr = fPtrSolidB; <<
324 while(true) <<
325 { <<
326 G4String type = ptr->GetEntityType(); <<
327 if (type == "G4DisplacedSolid") <<
328 { <<
329 ptr = ((G4DisplacedSolid*)ptr)->GetCon <<
330 continue; <<
331 } <<
332 if (type == "G4ReflectedSolid") <<
333 { <<
334 ptr = ((G4ReflectedSolid*)ptr)->GetCon <<
335 continue; <<
336 } <<
337 if (type == "G4ScaledSolid") <<
338 { <<
339 ptr = ((G4ScaledSolid*)ptr)->GetUnscal <<
340 continue; <<
341 } <<
342 if (type != "G4MultiUnion") // G4MultiUn <<
343 { <<
344 ((G4BooleanSolid*)ptr)->SetCubVolEpsilon(ep) <<
345 } <<
346 break; <<
347 } <<
348 } <<
349 } <<
350 107
351 ////////////////////////////////////////////// << 108 return subSolid;
352 // <<
353 // Stream object contents to an output stream <<
354 <<
355 std::ostream& G4BooleanSolid::StreamInfo(std:: <<
356 { <<
357 os << "------------------------------------- <<
358 << " *** Dump for Boolean solid - " << <<
359 << " ================================= <<
360 << " Solid type: " << GetEntityType() << <<
361 << " Parameters of constituent solids: \n <<
362 << "===================================== <<
363 fPtrSolidA->StreamInfo(os); <<
364 fPtrSolidB->StreamInfo(os); <<
365 os << "===================================== <<
366 <<
367 return os; <<
368 } <<
369 <<
370 ////////////////////////////////////////////// <<
371 // <<
372 // Creates list of constituent primitives of a <<
373 <<
374 void G4BooleanSolid::GetListOfPrimitives( <<
375 std::vector<std::pair<G4VSolid*,G4Trans <<
376 const G4Transform3D& curPlacement) cons <<
377 { <<
378 G4Transform3D transform; <<
379 G4VSolid* solid; <<
380 G4String type; <<
381 <<
382 // Repeat two times, first time for fPtrSoli <<
383 // <<
384 for (auto i=0; i<2; ++i) <<
385 { <<
386 transform = curPlacement; <<
387 solid = (i == 0) ? fPtrSolidA : fPtrSo <<
388 type = solid->GetEntityType(); <<
389 <<
390 // While current solid is a trasformed sol <<
391 // <<
392 while (type == "G4DisplacedSolid" || <<
393 type == "G4ReflectedSolid" || <<
394 type == "G4ScaledSolid") <<
395 { <<
396 if (type == "G4DisplacedSolid") <<
397 { <<
398 transform = transform * G4Transform3D( <<
399 ((G4DisplacedSolid*)solid) <<
400 ((G4DisplacedSolid*)solid) <<
401 solid = ((G4DisplacedSolid*)solid) <<
402 } <<
403 else if (type == "G4ReflectedSolid") <<
404 { <<
405 transform= transform*((G4ReflectedSoli <<
406 solid = ((G4ReflectedSolid*)solid)- <<
407 } <<
408 else if (type == "G4ScaledSolid") <<
409 { <<
410 transform = transform * ((G4ScaledSoli <<
411 solid = ((G4ScaledSolid*)solid)->G <<
412 } <<
413 type = solid->GetEntityType(); <<
414 } <<
415 <<
416 // If current solid is a Boolean solid the <<
417 // otherwise add it to the list of primiti <<
418 // <<
419 if (type == "G4UnionSolid" || <<
420 type == "G4SubtractionSolid" || <<
421 type == "G4IntersectionSolid" || <<
422 type == "G4BooleanSolid") <<
423 { <<
424 ((G4BooleanSolid *)solid)->GetListOfPrim <<
425 } <<
426 else <<
427 { <<
428 primitives.emplace_back(solid,transform) <<
429 } <<
430 } <<
431 } <<
432 <<
433 ////////////////////////////////////////////// <<
434 // <<
435 // Returns a point (G4ThreeVector) randomly an <<
436 // on the surface of the solid <<
437 <<
438 G4ThreeVector G4BooleanSolid::GetPointOnSurfac <<
439 { <<
440 std::size_t nprims = fPrimitives.size(); <<
441 std::pair<G4VSolid *, G4Transform3D> prim; <<
442 <<
443 // Get list of primitives and find the total <<
444 // <<
445 if (nprims == 0) <<
446 { <<
447 GetListOfPrimitives(fPrimitives, G4Transfo <<
448 nprims = fPrimitives.size(); <<
449 fPrimitivesSurfaceArea = 0.; <<
450 for (std::size_t i=0; i<nprims; ++i) <<
451 { <<
452 fPrimitivesSurfaceArea += fPrimitives[i] <<
453 } <<
454 } <<
455 <<
456 // Select random primitive, get random point <<
457 // check that the point belongs to the surfa <<
458 // <<
459 G4ThreeVector p; <<
460 for (std::size_t k=0; k<100000; ++k) // try <<
461 { <<
462 G4double rand = fPrimitivesSurfaceArea * <<
463 G4double area = 0.; <<
464 for (std::size_t i=0; i<nprims; ++i) <<
465 { <<
466 prim = fPrimitives[i]; <<
467 area += prim.first->GetSurfaceArea(); <<
468 if (rand < area) break; <<
469 } <<
470 p = prim.first->GetPointOnSurface(); <<
471 p = prim.second * G4Point3D(p); <<
472 if (Inside(p) == kSurface) return p; <<
473 } <<
474 std::ostringstream message; <<
475 message << "Solid - " << GetName() << "\n" <<
476 << "All 100k attempts to generate a <<
477 << "The solid created may be an inva <<
478 G4Exception("G4BooleanSolid::GetPointOnSurfa <<
479 "GeomSolids1001", JustWarning, m <<
480 return p; <<
481 } <<
482 <<
483 ////////////////////////////////////////////// <<
484 // <<
485 // Return total number of constituents used fo <<
486 <<
487 G4int G4BooleanSolid::GetNumOfConstituents() c <<
488 { <<
489 return (fPtrSolidA->GetNumOfConstituents() + <<
490 } <<
491 <<
492 ////////////////////////////////////////////// <<
493 // <<
494 // Return true if the resulting solid has only <<
495 <<
496 G4bool G4BooleanSolid::IsFaceted() const <<
497 { <<
498 return (fPtrSolidA->IsFaceted() && fPtrSolid <<
499 } <<
500 <<
501 ////////////////////////////////////////////// <<
502 // <<
503 // Returns polyhedron for visualization <<
504 <<
505 G4Polyhedron* G4BooleanSolid::GetPolyhedron () <<
506 { <<
507 if (fpPolyhedron == nullptr || <<
508 fRebuildPolyhedron || <<
509 fpPolyhedron->GetNumberOfRotationStepsAt <<
510 fpPolyhedron->GetNumberOfRotationSteps() <<
511 { <<
512 G4RecursiveAutoLock l(&polyhedronMutex); <<
513 delete fpPolyhedron; <<
514 fpPolyhedron = CreatePolyhedron(); <<
515 fRebuildPolyhedron = false; <<
516 l.unlock(); <<
517 } <<
518 return fpPolyhedron; <<
519 } <<
520 <<
521 ////////////////////////////////////////////// <<
522 // <<
523 // Stacks polyhedra for processing. Returns to <<
524 <<
525 G4Polyhedron* <<
526 G4BooleanSolid::StackPolyhedron(HepPolyhedronP <<
527 const G4VSolid <<
528 { <<
529 HepPolyhedronProcessor::Operation operation; <<
530 const G4String& type = solid->GetEntityType( <<
531 if (type == "G4UnionSolid") <<
532 { operation = HepPolyhedronProcessor::UNIO <<
533 else if (type == "G4IntersectionSolid") <<
534 { operation = HepPolyhedronProcessor::INTE <<
535 else if (type == "G4SubtractionSolid") <<
536 { operation = HepPolyhedronProcessor::SUBT <<
537 else <<
538 { <<
539 std::ostringstream message; <<
540 message << "Solid - " << solid->GetName() <<
541 << " - Unrecognised composite soli <<
542 << " Returning NULL !"; <<
543 G4Exception("StackPolyhedron()", "GeomSoli <<
544 return nullptr; <<
545 } <<
546 <<
547 G4Polyhedron* top = nullptr; <<
548 const G4VSolid* solidA = solid->GetConstitue <<
549 const G4VSolid* solidB = solid->GetConstitue <<
550 <<
551 if (solidA->GetConstituentSolid(0) != nullpt <<
552 { <<
553 top = StackPolyhedron(processor, solidA); <<
554 } <<
555 else <<
556 { <<
557 top = solidA->GetPolyhedron(); <<
558 } <<
559 G4Polyhedron* operand = solidB->GetPolyhedro <<
560 if (operand != nullptr) <<
561 { <<
562 processor.push_back (operation, *operand); <<
563 } <<
564 else <<
565 { <<
566 std::ostringstream message; <<
567 message << "Solid - " << solid->GetName() <<
568 << " - No G4Polyhedron for Boolean <<
569 G4Exception("G4BooleanSolid::StackPolyhedr <<
570 "GeomSolids2001", JustWarning, <<
571 } <<
572 <<
573 return top; <<
574 } 109 }
575 110
576 111
577 ////////////////////////////////////////////// <<
578 // <<
579 // Estimate Cubic Volume (capacity) and cache <<
580 112
581 G4double G4BooleanSolid::GetCubicVolume() <<
582 { <<
583 if(fCubicVolume < 0.) <<
584 { <<
585 fCubicVolume = EstimateCubicVolume(fCubVol <<
586 } <<
587 return fCubicVolume; <<
588 } <<
589 113
590 ////////////////////////////////////////////// <<
591 // <<
592 // Set external Boolean processor. <<
593 <<
594 void <<
595 G4BooleanSolid::SetExternalBooleanProcessor(G4 <<
596 { <<
597 fExternalBoolProcessor = extProcessor; <<
598 } <<
599 <<
600 ////////////////////////////////////////////// <<
601 // <<
602 // Get external Boolean processor. <<
603 <<
604 G4VBooleanProcessor* G4BooleanSolid::GetExtern <<
605 { <<
606 return fExternalBoolProcessor; <<
607 } <<
608 114