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25 //
26 // G4ParameterisationTrd[X/Y/Z] implementation
27 //
28 // 26.05.03 - P.Arce, Initial version
29 // 08.04.04 - I.Hrivnacova, Implemented reflection
30 // 21.04.10 - M.Asai, Added gaps
31 // --------------------------------------------------------------------
32
33 #include "G4ParameterisationTrd.hh"
34
35 #include <iomanip>
36 #include "G4ThreeVector.hh"
37 #include "G4RotationMatrix.hh"
38 #include "G4VPhysicalVolume.hh"
39 #include "G4LogicalVolume.hh"
40 #include "G4ReflectedSolid.hh"
41 #include "G4Trd.hh"
42 #include "G4Trap.hh"
43
44 //--------------------------------------------------------------------------
45 G4VParameterisationTrd::
46 G4VParameterisationTrd( EAxis axis, G4int nDiv, G4double width,
47 G4double offset, G4VSolid* msolid,
48 DivisionType divType )
49 : G4VDivisionParameterisation( axis, nDiv, width, offset, divType, msolid )
50 {
51 auto msol = (G4Trd*)(msolid);
52 if (msolid->GetEntityType() == "G4ReflectedSolid")
53 {
54 // Get constituent solid
55 G4VSolid* mConstituentSolid
56 = ((G4ReflectedSolid*)msolid)->GetConstituentMovedSolid();
57 msol = (G4Trd*)(mConstituentSolid);
58
59 // Create a new solid with inversed parameters
60 auto newSolid
61 = new G4Trd(msol->GetName(),
62 msol->GetXHalfLength2(), msol->GetXHalfLength1(),
63 msol->GetYHalfLength2(), msol->GetYHalfLength1(),
64 msol->GetZHalfLength());
65 msol = newSolid;
66 fmotherSolid = newSolid;
67 fReflectedSolid = true;
68 fDeleteSolid = true;
69 }
70 }
71
72 //------------------------------------------------------------------------
73 G4VParameterisationTrd::~G4VParameterisationTrd() = default;
74
75 //------------------------------------------------------------------------
76 G4ParameterisationTrdX::
77 G4ParameterisationTrdX( EAxis axis, G4int nDiv,
78 G4double width, G4double offset,
79 G4VSolid* msolid, DivisionType divType )
80 : G4VParameterisationTrd( axis, nDiv, width, offset, msolid, divType )
81 {
82 CheckParametersValidity();
83 SetType( "DivisionTrdX" );
84
85 auto msol = (G4Trd*)(fmotherSolid);
86 if( divType == DivWIDTH )
87 {
88 fnDiv = CalculateNDiv( msol->GetXHalfLength1()+msol->GetXHalfLength2(),
89 width, offset );
90 }
91 else if( divType == DivNDIV )
92 {
93 fwidth = CalculateWidth( msol->GetXHalfLength1()+msol->GetXHalfLength2(),
94 nDiv, offset );
95 }
96
97 #ifdef G4DIVDEBUG
98 if( verbose >= 1 )
99 {
100 G4cout << " G4ParameterisationTrdX - ## divisions " << fnDiv << " = "
101 << nDiv << G4endl
102 << " Offset " << foffset << " = " << offset << G4endl
103 << " Width " << fwidth << " = " << width << G4endl;
104 }
105 #endif
106
107 G4double mpDx1 = msol->GetXHalfLength1();
108 G4double mpDx2 = msol->GetXHalfLength2();
109 if( std::fabs(mpDx1 - mpDx2) > kCarTolerance )
110 {
111 bDivInTrap = true;
112 }
113 }
114
115 //------------------------------------------------------------------------
116 G4ParameterisationTrdX::~G4ParameterisationTrdX()
117 = default;
118
119 //------------------------------------------------------------------------
120 G4double G4ParameterisationTrdX::GetMaxParameter() const
121 {
122 auto msol = (G4Trd*)(fmotherSolid);
123 return (msol->GetXHalfLength1()+msol->GetXHalfLength2());
124 }
125
126 //------------------------------------------------------------------------
127 void
128 G4ParameterisationTrdX::
129 ComputeTransformation( const G4int copyNo,
130 G4VPhysicalVolume *physVol ) const
131 {
132 auto msol = (G4Trd*)(fmotherSolid );
133 G4double mdx = ( msol->GetXHalfLength1() + msol->GetXHalfLength2() ) / 2.;
134 //----- translation
135 G4ThreeVector origin(0.,0.,0.);
136 G4double posi;
137 posi = -mdx + foffset + (copyNo+0.5)*fwidth;
138 if( faxis == kXAxis )
139 {
140 origin.setX( posi );
141 }
142 else
143 {
144 std::ostringstream message;
145 message << "Only axes along X are allowed ! Axis: " << faxis;
146 G4Exception("G4ParameterisationTrdX::ComputeTransformation()",
147 "GeomDiv0002", FatalException, message);
148 }
149
150 #ifdef G4DIVDEBUG
151 if( verbose >= 2 )
152 {
153 G4cout << std::setprecision(8)
154 << " G4ParameterisationTrdX::ComputeTransformation() "
155 << copyNo << G4endl
156 << " Position: " << origin << " - Axis: " << faxis << G4endl;
157 }
158 #endif
159
160 //----- set translation
161 physVol->SetTranslation( origin );
162 }
163
164 //--------------------------------------------------------------------------
165 void
166 G4ParameterisationTrdX::
167 ComputeDimensions( G4Trd& trd, [[maybe_unused]] const G4int copyNo, const G4VPhysicalVolume* ) const
168 {
169 auto msol = (G4Trd*)(fmotherSolid);
170 G4double pDy1 = msol->GetYHalfLength1();
171 G4double pDy2 = msol->GetYHalfLength2();
172 G4double pDz = msol->GetZHalfLength();
173 G4double pDx = fwidth/2. - fhgap;
174
175 trd.SetAllParameters ( pDx, pDx, pDy1, pDy2, pDz );
176
177 #ifdef G4DIVDEBUG
178 if( verbose >= 2 )
179 {
180 G4cout << " G4ParameterisationTrdX::ComputeDimensions():"
181 << copyNo << G4endl;
182 trd.DumpInfo();
183 }
184 #endif
185 }
186
187 //--------------------------------------------------------------------------
188 void
189 G4ParameterisationTrdX::ComputeDimensions( G4Trap& trap, const G4int copyNo,
190 const G4VPhysicalVolume* ) const
191 {
192 auto msol = (G4Trd*)(fmotherSolid);
193 G4double pDy1 = msol->GetYHalfLength1();
194 G4double pDy2 = msol->GetYHalfLength2();
195 G4double pDz = msol->GetZHalfLength();
196 //fwidth is at Z=0
197 G4double pDx1 = msol->GetXHalfLength1();
198 G4double pDx2 = msol->GetXHalfLength2();
199 // G4double pDxAVE = (pDx1+pDx2)/2.;
200 G4double xChangeRatio = (pDx2-pDx1) / (pDx2+pDx1);
201 G4double fWidChange = xChangeRatio*fwidth;
202 G4double fWid1 = fwidth - fWidChange;
203 G4double fWid2 = fwidth + fWidChange;
204 G4double fOffsetChange = xChangeRatio*foffset/2.;
205 G4double fOffset1 = foffset - fOffsetChange;
206 G4double fOffset2 = foffset + fOffsetChange;
207 G4double cxy1 = -pDx1+fOffset1 + (copyNo+0.5)*fWid1;// centre of the side at y=-pDy1
208 G4double cxy2 = -pDx2+fOffset2 + (copyNo+0.5)*fWid2;// centre of the side at y=+pDy1
209 G4double alp = std::atan( (cxy2-cxy1)/(pDz*2.) );
210
211 pDx1 = fwidth/2. - fWidChange/2.;
212 pDx2 = fwidth/2. + fWidChange/2.;
213
214
215 trap.SetAllParameters ( pDz,
216 alp,
217 0.,
218 pDy1,
219 pDx1,
220 pDx1,
221 0.,
222 pDy2,
223 pDx2 - fhgap,
224 pDx2 - fhgap * pDx2/pDx1,
225 0.);
226
227 #ifdef G4DIVDEBUG
228 if( verbose >= 2 )
229 {
230 G4cout << " G4ParameterisationTrdX::ComputeDimensions():"
231 << copyNo << G4endl;
232 trap.DumpInfo();
233 }
234 #endif
235 }
236
237
238 //--------------------------------------------------------------------------
239 G4ParameterisationTrdY::
240 G4ParameterisationTrdY( EAxis axis, G4int nDiv,
241 G4double width, G4double offset,
242 G4VSolid* msolid, DivisionType divType)
243 : G4VParameterisationTrd( axis, nDiv, width, offset, msolid, divType )
244 {
245 CheckParametersValidity();
246 SetType( "DivisionTrdY" );
247
248 auto msol = (G4Trd*)(fmotherSolid);
249 if( divType == DivWIDTH )
250 {
251 fnDiv = CalculateNDiv( 2*msol->GetYHalfLength1(),
252 width, offset );
253 }
254 else if( divType == DivNDIV )
255 {
256 fwidth = CalculateWidth( 2*msol->GetYHalfLength1(),
257 nDiv, offset );
258 }
259
260 #ifdef G4DIVDEBUG
261 if( verbose >= 1 )
262 {
263 G4cout << " G4ParameterisationTrdY no divisions " << fnDiv
264 << " = " << nDiv << G4endl
265 << " Offset " << foffset << " = " << offset << G4endl
266 << " width " << fwidth << " = " << width << G4endl;
267 }
268 #endif
269 }
270
271 //------------------------------------------------------------------------
272 G4ParameterisationTrdY::~G4ParameterisationTrdY() = default;
273
274 //------------------------------------------------------------------------
275 G4double G4ParameterisationTrdY::GetMaxParameter() const
276 {
277 auto msol = (G4Trd*)(fmotherSolid);
278 return (msol->GetYHalfLength1()+msol->GetYHalfLength2());
279 }
280
281 //--------------------------------------------------------------------------
282 void
283 G4ParameterisationTrdY::
284 ComputeTransformation( const G4int copyNo, G4VPhysicalVolume* physVol ) const
285 {
286 auto msol = (G4Trd*)(fmotherSolid );
287 G4double mdy = ( msol->GetYHalfLength1() + msol->GetYHalfLength2() ) / 2.;
288
289 //----- translation
290 G4ThreeVector origin(0.,0.,0.);
291 G4double posi = -mdy + foffset + (copyNo+0.5)*fwidth;
292
293 if( faxis == kYAxis )
294 {
295 origin.setY( posi );
296 }
297 else
298 {
299 std::ostringstream message;
300 message << "Only axes along Y are allowed ! Axis: " << faxis;
301 G4Exception("G4ParameterisationTrdY::ComputeTransformation()",
302 "GeomDiv0002", FatalException, message);
303 }
304
305 #ifdef G4DIVDEBUG
306 if( verbose >= 2 )
307 {
308 G4cout << std::setprecision(8)
309 << " G4ParameterisationTrdY::ComputeTransformation " << copyNo
310 << " pos " << origin << " rot mat " << " axis " << faxis << G4endl;
311 }
312 #endif
313
314 //----- set translation
315 physVol->SetTranslation( origin );
316 }
317
318 //--------------------------------------------------------------------------
319 void
320 G4ParameterisationTrdY::
321 ComputeDimensions(G4Trd& trd, const G4int, const G4VPhysicalVolume*) const
322 {
323 //---- The division along Y of a Trd will result a Trd, only
324 //--- if Y at -Z and +Z are equal, else use the G4Trap version
325 auto msol = (G4Trd*)(fmotherSolid);
326
327 G4double pDx1 = msol->GetXHalfLength1();
328 G4double pDx2 = msol->GetXHalfLength2();
329 G4double pDz = msol->GetZHalfLength();
330 G4double pDy = fwidth/2. - fhgap;
331
332 trd.SetAllParameters ( pDx1, pDx2, pDy, pDy, pDz );
333
334 #ifdef G4DIVDEBUG
335 if( verbose >= 2 )
336 {
337 G4cout << " G4ParameterisationTrdY::ComputeDimensions():" << G4endl;
338 trd.DumpInfo();
339 }
340 #endif
341 }
342
343 //--------------------------------------------------------------------------
344 void
345 G4ParameterisationTrdY::ComputeDimensions( G4Trap& trap, const G4int copyNo,
346 const G4VPhysicalVolume* ) const
347 {
348 auto msol = (G4Trd*)(fmotherSolid);
349 G4double pDx1 = msol->GetXHalfLength1();
350 G4double pDx2 = msol->GetXHalfLength2();
351 G4double pDz = msol->GetZHalfLength();
352 //fwidth is at Z=0
353 G4double pDy1 = msol->GetYHalfLength1();
354 G4double pDy2 = msol->GetYHalfLength2();
355 // G4double pDxAVE = (pDy1+pDy2)/2.;
356 G4double yChangeRatio = (pDy2-pDy1) / (pDy2+pDy1);
357 G4double fWidChange = yChangeRatio*fwidth;
358 G4double fWid1 = fwidth - fWidChange;
359 G4double fWid2 = fwidth + fWidChange;
360 G4double fOffsetChange = yChangeRatio*foffset/2.;
361 G4double fOffset1 = foffset - fOffsetChange;
362 G4double fOffset2 = foffset + fOffsetChange;
363 G4double cyx1 = -pDy1+fOffset1 + (copyNo+0.5)*fWid1;// centre of the side at y=-pDy1
364 G4double cyx2 = -pDy2+fOffset2 + (copyNo+0.5)*fWid2;// centre of the side at y=+pDy1
365 G4double alp = std::atan( (cyx2-cyx1)/(pDz*2.) );
366
367 pDy1 = fwidth/2. - fWidChange/2.;
368 pDy2 = fwidth/2. + fWidChange/2.;
369
370
371 trap.SetAllParameters ( pDz,
372 alp,
373 90*CLHEP::deg,
374 pDy1,
375 pDx1,
376 pDx1,
377 0.,
378 pDy2,
379 pDx2 - fhgap,
380 pDx2 - fhgap * pDx2/pDx1,
381 0.);
382
383 #ifdef G4DIVDEBUG
384 if( verbose >= 2 )
385 {
386 G4cout << " G4ParameterisationTrdY::ComputeDimensions():"
387 << copyNo << G4endl;
388 trap.DumpInfo();
389 }
390 #endif
391 }
392
393 //--------------------------------------------------------------------------
394 G4ParameterisationTrdZ::
395 G4ParameterisationTrdZ( EAxis axis, G4int nDiv,
396 G4double width, G4double offset,
397 G4VSolid* msolid, DivisionType divType )
398 : G4VParameterisationTrd( axis, nDiv, width, offset, msolid, divType )
399 {
400 CheckParametersValidity();
401 SetType( "DivTrdZ" );
402
403 auto msol = (G4Trd*)(fmotherSolid);
404 if( divType == DivWIDTH )
405 {
406 fnDiv = CalculateNDiv( 2*msol->GetZHalfLength(),
407 width, offset );
408 }
409 else if( divType == DivNDIV )
410 {
411 fwidth = CalculateWidth( 2*msol->GetZHalfLength(),
412 nDiv, offset );
413 }
414
415 #ifdef G4DIVDEBUG
416 if( verbose >= 1 )
417 {
418 G4cout << " G4ParameterisationTrdZ no divisions " << fnDiv
419 << " = " << nDiv << G4endl
420 << " Offset " << foffset << " = " << offset << G4endl
421 << " Width " << fwidth << " = " << width << G4endl;
422 }
423 #endif
424 }
425
426 //------------------------------------------------------------------------
427 G4ParameterisationTrdZ::~G4ParameterisationTrdZ() = default;
428
429 //------------------------------------------------------------------------
430 G4double G4ParameterisationTrdZ::GetMaxParameter() const
431 {
432 auto msol = (G4Trd*)(fmotherSolid);
433 return 2*msol->GetZHalfLength();
434 }
435
436 //--------------------------------------------------------------------------
437 void
438 G4ParameterisationTrdZ::
439 ComputeTransformation(const G4int copyNo, G4VPhysicalVolume *physVol) const
440 {
441 auto msol = (G4Trd*)(fmotherSolid );
442 G4double mdz = msol->GetZHalfLength();
443
444 //----- translation
445 G4ThreeVector origin(0.,0.,0.);
446 G4double posi = -mdz + OffsetZ() + (copyNo+0.5)*fwidth;
447 if( faxis == kZAxis )
448 {
449 origin.setZ( posi );
450 }
451 else
452 {
453 std::ostringstream message;
454 message << "Only axes along Z are allowed ! Axis: " << faxis;
455 G4Exception("G4ParameterisationTrdZ::ComputeTransformation()",
456 "GeomDiv0002", FatalException, message);
457 }
458
459 #ifdef G4DIVDEBUG
460 if( verbose >= 1 )
461 {
462 G4cout << std::setprecision(8) << " G4ParameterisationTrdZ: "
463 << copyNo << G4endl
464 << " Position: " << origin << " - Offset: " << foffset
465 << " - Width: " << fwidth << " Axis " << faxis << G4endl;
466 }
467 #endif
468
469 //----- set translation
470 physVol->SetTranslation( origin );
471 }
472
473 //--------------------------------------------------------------------------
474 void
475 G4ParameterisationTrdZ::
476 ComputeDimensions(G4Trd& trd, const G4int copyNo,
477 const G4VPhysicalVolume*) const
478 {
479 //---- The division along Z of a Trd will result a Trd
480 auto msol = (G4Trd*)(fmotherSolid);
481
482 G4double pDx1 = msol->GetXHalfLength1();
483 G4double DDx = (msol->GetXHalfLength2() - msol->GetXHalfLength1() );
484 G4double pDy1 = msol->GetYHalfLength1();
485 G4double DDy = (msol->GetYHalfLength2() - msol->GetYHalfLength1() );
486 G4double pDz = fwidth/2. - fhgap;
487 G4double zLength = 2*msol->GetZHalfLength();
488
489 trd.SetAllParameters( pDx1+DDx*(OffsetZ()+copyNo*fwidth+fhgap)/zLength,
490 pDx1+DDx*(OffsetZ()+(copyNo+1)*fwidth-fhgap)/zLength,
491 pDy1+DDy*(OffsetZ()+copyNo*fwidth+fhgap)/zLength,
492 pDy1+DDy*(OffsetZ()+(copyNo+1)*fwidth-fhgap)/zLength,
493 pDz );
494
495 #ifdef G4DIVDEBUG
496 if( verbose >= 1 )
497 {
498 G4cout << " G4ParameterisationTrdZ::ComputeDimensions()"
499 << " - Mother TRD " << G4endl;
500 msol->DumpInfo();
501 G4cout << " - Parameterised TRD: "
502 << copyNo << G4endl;
503 trd.DumpInfo();
504 }
505 #endif
506 }
507