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25 //
26 // Implementation of G4DisplacedSolid class for Boolean
27 // operations between other solids
28 //
29 // 28.10.98 V.Grichine: created
30 // 28.02.18 E.Tcherniaev: improved contruction from G4DisplacedSolid
31 // --------------------------------------------------------------------
32
33 #include "G4DisplacedSolid.hh"
34
35 #include "G4VoxelLimits.hh"
36
37 #include "G4VPVParameterisation.hh"
38
39 #include "G4VGraphicsScene.hh"
40 #include "G4Polyhedron.hh"
41
42 ////////////////////////////////////////////////////////////////
43 //
44 // Constructor for transformation like rotation of frame then translation
45 // in new frame. It is similar to 1st constractor in G4PVPlacement
46
47 G4DisplacedSolid::G4DisplacedSolid( const G4String& pName,
48 G4VSolid* pSolid ,
49 G4RotationMatrix* rotMatrix,
50 const G4ThreeVector& transVector )
51 : G4VSolid(pName)
52 {
53 if (pSolid->GetEntityType() == "G4DisplacedSolid")
54 {
55 fPtrSolid = ((G4DisplacedSolid*)pSolid)->GetConstituentMovedSolid();
56 G4AffineTransform t1 = ((G4DisplacedSolid*)pSolid)->GetDirectTransform();
57 G4AffineTransform t2 = G4AffineTransform(rotMatrix,transVector);
58 fDirectTransform = new G4AffineTransform(t1*t2);
59 }
60 else
61 {
62 fPtrSolid = pSolid;
63 fDirectTransform = new G4AffineTransform(rotMatrix,transVector);
64 }
65 fPtrTransform = new G4AffineTransform(fDirectTransform->Inverse());
66 }
67
68 /////////////////////////////////////////////////////////////////////////////////
69 //
70 // Constructor
71
72 G4DisplacedSolid::G4DisplacedSolid( const G4String& pName,
73 G4VSolid* pSolid ,
74 const G4Transform3D& transform )
75 : G4VSolid(pName)
76 {
77 if (pSolid->GetEntityType() == "G4DisplacedSolid")
78 {
79 fPtrSolid = ((G4DisplacedSolid*)pSolid)->GetConstituentMovedSolid();
80 G4AffineTransform t1 = ((G4DisplacedSolid*)pSolid)->GetDirectTransform();
81 G4AffineTransform t2 = G4AffineTransform(transform.getRotation().inverse(),
82 transform.getTranslation());
83 fDirectTransform = new G4AffineTransform(t1*t2);
84 }
85 else
86 {
87 fPtrSolid = pSolid;
88 fDirectTransform = new G4AffineTransform(transform.getRotation().inverse(),
89 transform.getTranslation()) ;
90 }
91 fPtrTransform = new G4AffineTransform(fDirectTransform->Inverse());
92 }
93
94 ///////////////////////////////////////////////////////////////////
95 //
96 // Constructor for use with creation of Transient object
97 // from Persistent object
98
99 G4DisplacedSolid::G4DisplacedSolid( const G4String& pName,
100 G4VSolid* pSolid ,
101 const G4AffineTransform directTransform )
102 : G4VSolid(pName)
103 {
104 if (pSolid->GetEntityType() == "G4DisplacedSolid")
105 {
106 fPtrSolid = ((G4DisplacedSolid*)pSolid)->GetConstituentMovedSolid();
107 G4AffineTransform t1 = ((G4DisplacedSolid*)pSolid)->GetDirectTransform();
108 auto t2 = G4AffineTransform(directTransform);
109 fDirectTransform = new G4AffineTransform(t1*t2);
110 }
111 else
112 {
113 fPtrSolid = pSolid;
114 fDirectTransform = new G4AffineTransform(directTransform);
115 }
116 fPtrTransform = new G4AffineTransform(fDirectTransform->Inverse());
117 }
118
119 ///////////////////////////////////////////////////////////////////
120 //
121 // Fake default constructor - sets only member data and allocates memory
122 // for usage restricted to object persistency.
123
124 G4DisplacedSolid::G4DisplacedSolid( __void__& a )
125 : G4VSolid(a)
126 {
127 }
128
129 ///////////////////////////////////////////////////////////////////
130 //
131 // Destructor
132
133 G4DisplacedSolid::~G4DisplacedSolid()
134 {
135 CleanTransformations();
136 delete fpPolyhedron; fpPolyhedron = nullptr;
137 }
138
139 ///////////////////////////////////////////////////////////////
140 //
141 // Copy constructor
142
143 G4DisplacedSolid::G4DisplacedSolid(const G4DisplacedSolid& rhs)
144 : G4VSolid (rhs), fPtrSolid(rhs.fPtrSolid)
145 {
146 fPtrTransform = new G4AffineTransform(*(rhs.fPtrTransform));
147 fDirectTransform = new G4AffineTransform(*(rhs.fDirectTransform));
148 }
149
150 ///////////////////////////////////////////////////////////////
151 //
152 // Assignment operator
153
154 G4DisplacedSolid& G4DisplacedSolid::operator = (const G4DisplacedSolid& rhs)
155 {
156 // Check assignment to self
157 //
158 if (this == &rhs) { return *this; }
159
160 // Copy base class data
161 //
162 G4VSolid::operator=(rhs);
163
164 // Copy data
165 //
166 fPtrSolid = rhs.fPtrSolid;
167 delete fPtrTransform; delete fDirectTransform;
168 fPtrTransform = new G4AffineTransform(*(rhs.fPtrTransform));
169 fDirectTransform = new G4AffineTransform(*(rhs.fDirectTransform));
170 fRebuildPolyhedron = false;
171 delete fpPolyhedron; fpPolyhedron = nullptr;
172
173 return *this;
174 }
175
176 void G4DisplacedSolid::CleanTransformations()
177 {
178 if(fPtrTransform != nullptr)
179 {
180 delete fPtrTransform; fPtrTransform = nullptr;
181 delete fDirectTransform; fDirectTransform = nullptr;
182 }
183 }
184
185 const G4DisplacedSolid* G4DisplacedSolid::GetDisplacedSolidPtr() const
186 {
187 return this;
188 }
189
190 G4DisplacedSolid* G4DisplacedSolid::GetDisplacedSolidPtr()
191 {
192 return this;
193 }
194
195 G4VSolid* G4DisplacedSolid::GetConstituentMovedSolid() const
196 {
197 return fPtrSolid;
198 }
199
200 /////////////////////////////////////////////////////////////////////////////
201
202 G4AffineTransform G4DisplacedSolid::GetTransform() const
203 {
204 G4AffineTransform aTransform = *fPtrTransform;
205 return aTransform;
206 }
207
208 void G4DisplacedSolid::SetTransform(G4AffineTransform& transform)
209 {
210 fPtrTransform = &transform ;
211 fRebuildPolyhedron = true;
212 }
213
214 //////////////////////////////////////////////////////////////////////////////
215
216 G4AffineTransform G4DisplacedSolid::GetDirectTransform() const
217 {
218 G4AffineTransform aTransform= *fDirectTransform;
219 return aTransform;
220 }
221
222 void G4DisplacedSolid::SetDirectTransform(G4AffineTransform& transform)
223 {
224 fDirectTransform = &transform ;
225 fRebuildPolyhedron = true;
226 }
227
228 /////////////////////////////////////////////////////////////////////////////
229
230 G4RotationMatrix G4DisplacedSolid::GetFrameRotation() const
231 {
232 G4RotationMatrix InvRotation = fDirectTransform->NetRotation();
233 return InvRotation;
234 }
235
236 void G4DisplacedSolid::SetFrameRotation(const G4RotationMatrix& matrix)
237 {
238 fDirectTransform->SetNetRotation(matrix);
239 fRebuildPolyhedron = true;
240 }
241
242 /////////////////////////////////////////////////////////////////////////////
243
244 G4ThreeVector G4DisplacedSolid::GetFrameTranslation() const
245 {
246 return fPtrTransform->NetTranslation();
247 }
248
249 void G4DisplacedSolid::SetFrameTranslation(const G4ThreeVector& vector)
250 {
251 fPtrTransform->SetNetTranslation(vector);
252 fRebuildPolyhedron = true;
253 }
254
255 ///////////////////////////////////////////////////////////////
256
257 G4RotationMatrix G4DisplacedSolid::GetObjectRotation() const
258 {
259 G4RotationMatrix Rotation = fPtrTransform->NetRotation();
260 return Rotation;
261 }
262
263 void G4DisplacedSolid::SetObjectRotation(const G4RotationMatrix& matrix)
264 {
265 fPtrTransform->SetNetRotation(matrix);
266 fRebuildPolyhedron = true;
267 }
268
269 ///////////////////////////////////////////////////////////////////////
270
271 G4ThreeVector G4DisplacedSolid::GetObjectTranslation() const
272 {
273 return fDirectTransform->NetTranslation();
274 }
275
276 void G4DisplacedSolid::SetObjectTranslation(const G4ThreeVector& vector)
277 {
278 fDirectTransform->SetNetTranslation(vector);
279 fRebuildPolyhedron = true;
280 }
281
282 //////////////////////////////////////////////////////////////////////////
283 //
284 // Get bounding box
285
286 void G4DisplacedSolid::BoundingLimits(G4ThreeVector& pMin,
287 G4ThreeVector& pMax) const
288 {
289 if (!fDirectTransform->IsRotated())
290 {
291 // Special case of pure translation
292 //
293 fPtrSolid->BoundingLimits(pMin,pMax);
294 G4ThreeVector offset = fDirectTransform->NetTranslation();
295 pMin += offset;
296 pMax += offset;
297 }
298 else
299 {
300 // General case, use CalculateExtent() to find bounding box
301 //
302 G4VoxelLimits unLimit;
303 G4double xmin,xmax,ymin,ymax,zmin,zmax;
304 fPtrSolid->CalculateExtent(kXAxis,unLimit,*fDirectTransform,xmin,xmax);
305 fPtrSolid->CalculateExtent(kYAxis,unLimit,*fDirectTransform,ymin,ymax);
306 fPtrSolid->CalculateExtent(kZAxis,unLimit,*fDirectTransform,zmin,zmax);
307 pMin.set(xmin,ymin,zmin);
308 pMax.set(xmax,ymax,zmax);
309 }
310
311 // Check correctness of the bounding box
312 //
313 if (pMin.x() >= pMax.x() || pMin.y() >= pMax.y() || pMin.z() >= pMax.z())
314 {
315 std::ostringstream message;
316 message << "Bad bounding box (min >= max) for solid: "
317 << GetName() << " !"
318 << "\npMin = " << pMin
319 << "\npMax = " << pMax;
320 G4Exception("G4DisplacedSolid::BoundingLimits()", "GeomMgt0001",
321 JustWarning, message);
322 DumpInfo();
323 }
324 }
325
326 //////////////////////////////////////////////////////////////////////////
327 //
328 // Calculate extent under transform and specified limit
329
330 G4bool
331 G4DisplacedSolid::CalculateExtent( const EAxis pAxis,
332 const G4VoxelLimits& pVoxelLimit,
333 const G4AffineTransform& pTransform,
334 G4double& pMin,
335 G4double& pMax ) const
336 {
337 G4AffineTransform sumTransform ;
338 sumTransform.Product(*fDirectTransform,pTransform) ;
339 return fPtrSolid->CalculateExtent(pAxis,pVoxelLimit,sumTransform,pMin,pMax) ;
340 }
341
342 /////////////////////////////////////////////////////
343 //
344 // SurfaceNormal
345
346 EInside G4DisplacedSolid::Inside(const G4ThreeVector& p) const
347 {
348 G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
349 return fPtrSolid->Inside(newPoint) ;
350 }
351
352 //////////////////////////////////////////////////////////////
353 //
354 //
355
356 G4ThreeVector
357 G4DisplacedSolid::SurfaceNormal( const G4ThreeVector& p ) const
358 {
359 G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
360 G4ThreeVector normal = fPtrSolid->SurfaceNormal(newPoint) ;
361 return fDirectTransform->TransformAxis(normal) ;
362 }
363
364 /////////////////////////////////////////////////////////////
365 //
366 // The same algorithm as in DistanceToIn(p)
367
368 G4double
369 G4DisplacedSolid::DistanceToIn( const G4ThreeVector& p,
370 const G4ThreeVector& v ) const
371 {
372 G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
373 G4ThreeVector newDirection = fPtrTransform->TransformAxis(v) ;
374 return fPtrSolid->DistanceToIn(newPoint,newDirection) ;
375 }
376
377 ////////////////////////////////////////////////////////
378 //
379 // Approximate nearest distance from the point p to the intersection of
380 // two solids
381
382 G4double
383 G4DisplacedSolid::DistanceToIn( const G4ThreeVector& p ) const
384 {
385 G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
386 return fPtrSolid->DistanceToIn(newPoint) ;
387 }
388
389 //////////////////////////////////////////////////////////
390 //
391 // The same algorithm as DistanceToOut(p)
392
393 G4double
394 G4DisplacedSolid::DistanceToOut( const G4ThreeVector& p,
395 const G4ThreeVector& v,
396 const G4bool calcNorm,
397 G4bool *validNorm,
398 G4ThreeVector *n ) const
399 {
400 G4ThreeVector solNorm ;
401 G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
402 G4ThreeVector newDirection = fPtrTransform->TransformAxis(v) ;
403 G4double dist = fPtrSolid->DistanceToOut(newPoint,newDirection,
404 calcNorm,validNorm,&solNorm) ;
405 if(calcNorm)
406 {
407 *n = fDirectTransform->TransformAxis(solNorm) ;
408 }
409 return dist ;
410 }
411
412 //////////////////////////////////////////////////////////////
413 //
414 // Inverted algorithm of DistanceToIn(p)
415
416 G4double
417 G4DisplacedSolid::DistanceToOut( const G4ThreeVector& p ) const
418 {
419 G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
420 return fPtrSolid->DistanceToOut(newPoint) ;
421 }
422
423 //////////////////////////////////////////////////////////////
424 //
425 // ComputeDimensions
426
427 void
428 G4DisplacedSolid::ComputeDimensions( G4VPVParameterisation*,
429 const G4int,
430 const G4VPhysicalVolume* )
431 {
432 DumpInfo();
433 G4Exception("G4DisplacedSolid::ComputeDimensions()",
434 "GeomSolids0001", FatalException,
435 "Method not applicable in this context!");
436 }
437
438 //////////////////////////////////////////////////////////////
439 //
440 // Return volume
441
442 G4double G4DisplacedSolid::GetCubicVolume()
443 {
444 return fPtrSolid->GetCubicVolume();
445 }
446
447 //////////////////////////////////////////////////////////////
448 //
449 // Return surface area
450
451 G4double G4DisplacedSolid::GetSurfaceArea()
452 {
453 return fPtrSolid->GetSurfaceArea();
454 }
455
456 //////////////////////////////////////////////////////////////////////////
457 //
458 // Returns a point (G4ThreeVector) randomly and uniformly selected
459 // on the solid surface
460 //
461
462 G4ThreeVector G4DisplacedSolid::GetPointOnSurface() const
463 {
464 G4ThreeVector p = fPtrSolid->GetPointOnSurface();
465 return fDirectTransform->TransformPoint(p);
466 }
467
468 //////////////////////////////////////////////////////////////////////////
469 //
470 // Return the number of constituents used for construction of the solid
471
472 G4int G4DisplacedSolid::GetNumOfConstituents() const
473 {
474 return fPtrSolid->GetNumOfConstituents();
475 }
476
477 //////////////////////////////////////////////////////////////////////////
478 //
479 // Return true if the solid has only planar faces
480
481 G4bool G4DisplacedSolid::IsFaceted() const
482 {
483 return fPtrSolid->IsFaceted();
484 }
485
486 //////////////////////////////////////////////////////////////////////////
487 //
488 // Return object type name
489
490 G4GeometryType G4DisplacedSolid::GetEntityType() const
491 {
492 return {"G4DisplacedSolid"};
493 }
494
495 //////////////////////////////////////////////////////////////////////////
496 //
497 // Make a clone of the object
498 //
499 G4VSolid* G4DisplacedSolid::Clone() const
500 {
501 return new G4DisplacedSolid(*this);
502 }
503
504 //////////////////////////////////////////////////////////////////////////
505 //
506 // Stream object contents to an output stream
507
508 std::ostream& G4DisplacedSolid::StreamInfo(std::ostream& os) const
509 {
510 os << "-----------------------------------------------------------\n"
511 << " *** Dump for Displaced solid - " << GetName() << " ***\n"
512 << " ===================================================\n"
513 << " Solid type: " << GetEntityType() << "\n"
514 << " Parameters of constituent solid: \n"
515 << "===========================================================\n";
516 fPtrSolid->StreamInfo(os);
517 os << "===========================================================\n"
518 << " Transformations: \n"
519 << " Direct transformation - translation : \n"
520 << " " << fDirectTransform->NetTranslation() << "\n"
521 << " - rotation : \n"
522 << " ";
523 fDirectTransform->NetRotation().print(os);
524 os << "\n"
525 << "===========================================================\n";
526
527 return os;
528 }
529
530 //////////////////////////////////////////////////////////////////////////
531 //
532 // DescribeYourselfTo
533
534 void
535 G4DisplacedSolid::DescribeYourselfTo ( G4VGraphicsScene& scene ) const
536 {
537 scene.AddSolid (*this);
538 }
539
540 //////////////////////////////////////////////////////////////////////////
541 //
542 // CreatePolyhedron
543
544 G4Polyhedron*
545 G4DisplacedSolid::CreatePolyhedron () const
546 {
547 G4Polyhedron* polyhedron = fPtrSolid->CreatePolyhedron();
548 if (polyhedron != nullptr)
549 {
550 polyhedron
551 ->Transform(G4Transform3D(GetObjectRotation(),GetObjectTranslation()));
552 }
553 else
554 {
555 DumpInfo();
556 G4Exception("G4DisplacedSolid::CreatePolyhedron()",
557 "GeomSolids2002", JustWarning,
558 "No G4Polyhedron for displaced solid");
559 }
560 return polyhedron;
561 }
562
563 //////////////////////////////////////////////////////////////////////////
564 //
565 // GetPolyhedron
566
567 G4Polyhedron* G4DisplacedSolid::GetPolyhedron () const
568 {
569 if (fpPolyhedron == nullptr ||
570 fRebuildPolyhedron ||
571 fpPolyhedron->GetNumberOfRotationStepsAtTimeOfCreation() !=
572 fpPolyhedron->GetNumberOfRotationSteps())
573 {
574 fpPolyhedron = CreatePolyhedron();
575 fRebuildPolyhedron = false;
576 }
577 return fpPolyhedron;
578 }
579