]>
Commit | Line | Data |
---|---|---|
d4bb94a1 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * SigmaEffect_thetadegrees * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpeateose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | // $Id$ | |
17 | // | |
18 | // Class AliMUONGeometryBuilder | |
19 | // ---------------------------- | |
e118b27e | 20 | // Manager class for geometry construction via geometry builders. |
d4bb94a1 | 21 | // |
22 | // Author: Ivana Hrivnacova, IPN Orsay | |
23 | ||
e118b27e | 24 | #include <TObjArray.h> |
d4bb94a1 | 25 | #include <TVirtualMC.h> |
26 | ||
27 | #include "AliMUONGeometryBuilder.h" | |
d4bb94a1 | 28 | #include "AliMUONVGeometryBuilder.h" |
e118b27e | 29 | #include "AliMUONGeometryModule.h" |
d4bb94a1 | 30 | #include "AliMUONGeometryEnvelope.h" |
76497dec | 31 | #include "AliMUONGeometryEnvelopeStore.h" |
e118b27e | 32 | #include "AliMUONGeometryDetElement.h" |
33 | #include "AliMUONGeometryStore.h" | |
d4bb94a1 | 34 | #include "AliMUONGeometryConstituent.h" |
e118b27e | 35 | #include "AliModule.h" |
8c343c7c | 36 | #include "AliLog.h" |
4a9de4af | 37 | #include "AliRun.h" |
38 | ||
d4bb94a1 | 39 | |
40 | ClassImp(AliMUONGeometryBuilder) | |
41 | ||
e118b27e | 42 | //______________________________________________________________________________ |
43 | AliMUONGeometryBuilder::AliMUONGeometryBuilder(AliModule* module) | |
d4bb94a1 | 44 | : TObject(), |
e118b27e | 45 | fModule(module), |
76497dec | 46 | fAlign(false), |
e118b27e | 47 | fGlobalTransformation(), |
d4bb94a1 | 48 | fGeometryBuilders(0) |
49 | { | |
e118b27e | 50 | // Standard constructor |
51 | ||
52 | fGeometryBuilders = new TObjArray(100); | |
53 | } | |
d4bb94a1 | 54 | |
e118b27e | 55 | //______________________________________________________________________________ |
56 | AliMUONGeometryBuilder::AliMUONGeometryBuilder() | |
d4bb94a1 | 57 | : TObject(), |
e118b27e | 58 | fModule(0), |
76497dec | 59 | fAlign(false), |
e118b27e | 60 | fGlobalTransformation(), |
d4bb94a1 | 61 | fGeometryBuilders(0) |
62 | { | |
e118b27e | 63 | // Default constructor |
64 | } | |
d4bb94a1 | 65 | |
66 | //______________________________________________________________________________ | |
67 | AliMUONGeometryBuilder::AliMUONGeometryBuilder(const AliMUONGeometryBuilder& right) | |
68 | : TObject(right) | |
69 | { | |
70 | // copy constructor (not implemented) | |
71 | ||
8c343c7c | 72 | AliFatal("Copy constructor not provided."); |
d4bb94a1 | 73 | } |
74 | ||
75 | //______________________________________________________________________________ | |
76 | AliMUONGeometryBuilder::~AliMUONGeometryBuilder() | |
77 | { | |
78 | // Destructor | |
d4bb94a1 | 79 | if (fGeometryBuilders){ |
80 | fGeometryBuilders->Delete(); | |
81 | delete fGeometryBuilders; | |
82 | } | |
83 | } | |
84 | ||
85 | //______________________________________________________________________________ | |
86 | AliMUONGeometryBuilder& | |
87 | AliMUONGeometryBuilder::operator=(const AliMUONGeometryBuilder& right) | |
88 | { | |
89 | // assignement operator (not implemented) | |
90 | ||
91 | // check assignement to self | |
92 | if (this == &right) return *this; | |
93 | ||
8c343c7c | 94 | AliFatal("Assignement operator not provided."); |
d4bb94a1 | 95 | |
96 | return *this; | |
97 | } | |
98 | ||
99 | // | |
100 | // private functions | |
101 | // | |
102 | ||
103 | //______________________________________________________________________________ | |
104 | void AliMUONGeometryBuilder::PlaceVolume(const TString& name, const TString& mName, | |
105 | Int_t copyNo, const TGeoHMatrix& matrix, | |
106 | Int_t npar, Double_t* param, const char* only) const | |
107 | { | |
108 | // Place the volume specified by name with the given transformation matrix | |
109 | // --- | |
110 | ||
111 | // Do not apply global transformation | |
cfbf2f7d | 112 | // if mother volume was already placed in |
113 | // the new system of coordinates (that is MUON in negative Z) | |
e118b27e | 114 | // (as it is applied on the mother volume) |
d4bb94a1 | 115 | TGeoHMatrix transform(matrix); |
cfbf2f7d | 116 | if (mName == TString("DDIP")) |
e118b27e | 117 | transform = fGlobalTransformation.Inverse() * transform; |
d4bb94a1 | 118 | |
119 | // Decompose transformation | |
120 | const Double_t* xyz = transform.GetTranslation(); | |
121 | const Double_t* rm = transform.GetRotationMatrix(); | |
122 | ||
123 | //cout << "Got translation: " | |
124 | // << xyz[0] << " " << xyz[1] << " " << xyz[2] << endl; | |
125 | ||
126 | //cout << "Got rotation: " | |
127 | // << rm[0] << " " << rm[1] << " " << rm[2] << endl | |
128 | // << rm[3] << " " << rm[4] << " " << rm[5] << endl | |
129 | // << rm[6] << " " << rm[7] << " " << rm[8] << endl; | |
130 | ||
131 | // Check for presence of rotation | |
132 | // (will be nice to be available in TGeo) | |
133 | const Double_t kTolerance = 1e-04; | |
134 | Bool_t isRotation = true; | |
135 | if (TMath::Abs(rm[0] - 1.) < kTolerance && | |
136 | TMath::Abs(rm[1] - 0.) < kTolerance && | |
137 | TMath::Abs(rm[2] - 0.) < kTolerance && | |
138 | TMath::Abs(rm[3] - 0.) < kTolerance && | |
139 | TMath::Abs(rm[4] - 1.) < kTolerance && | |
140 | TMath::Abs(rm[5] - 0.) < kTolerance && | |
141 | TMath::Abs(rm[6] - 0.) < kTolerance && | |
142 | TMath::Abs(rm[7] - 0.) < kTolerance && | |
143 | TMath::Abs(rm[8] - 1.) < kTolerance) isRotation = false; | |
144 | ||
145 | Int_t krot = 0; | |
146 | if (isRotation) { | |
147 | TGeoRotation rot; | |
148 | rot.SetMatrix(const_cast<Double_t*>(transform.GetRotationMatrix())); | |
149 | Double_t theta1, phi1, theta2, phi2, theta3, phi3; | |
150 | rot.GetAngles(theta1, phi1, theta2, phi2, theta3, phi3); | |
151 | ||
152 | //cout << "angles: " | |
153 | // << theta1 << " " << phi1 << " " | |
154 | // << theta2 << " " << phi2 << " " | |
155 | // << theta3 << " " << phi3 << endl; | |
156 | ||
e118b27e | 157 | fModule->AliMatrix(krot, theta1, phi1, theta2, phi2, theta3, phi3); |
d4bb94a1 | 158 | } |
159 | ||
160 | // Place the volume in ALIC | |
161 | if (npar == 0) | |
162 | gMC->Gspos(name, copyNo, mName, xyz[0], xyz[1], xyz[2] , krot, only); | |
163 | else | |
164 | gMC->Gsposp(name, copyNo, mName, xyz[0], xyz[1], xyz[2] , krot, only, | |
165 | param, npar); | |
166 | ||
167 | } | |
168 | ||
e118b27e | 169 | //______________________________________________________________________________ |
170 | void AliMUONGeometryBuilder::FillGlobalTransformations( | |
171 | AliMUONVGeometryBuilder* builder) | |
172 | { | |
173 | // Compute and set global transformations to detection elements | |
174 | // for each chamber geometry | |
175 | // --- | |
176 | ||
177 | for (Int_t j=0; j<builder->NofGeometries(); j++) { | |
178 | ||
179 | AliMUONGeometryModule* geometry = builder->Geometry(j); | |
180 | AliMUONGeometryStore* detElements = geometry->GetDetElementStore(); | |
181 | ||
182 | for (Int_t k=0; k<detElements->GetNofEntries(); k++) { | |
183 | ||
184 | AliMUONGeometryDetElement* detElement | |
185 | = (AliMUONGeometryDetElement*)detElements->GetEntry(k); | |
186 | ||
187 | if (!detElement) AliFatal("Detection element not found.") | |
188 | ||
189 | const TGeoCombiTrans* localTransform | |
190 | = detElement->GetLocalTransformation(); | |
191 | ||
192 | // Compose global transformation | |
193 | TGeoHMatrix total | |
194 | = fGlobalTransformation * | |
195 | (*geometry->GetTransformation()) * | |
e118b27e | 196 | (*localTransform); |
e118b27e | 197 | |
198 | // Convert TGeoHMatrix to TGeoCombiTrans | |
199 | TGeoCombiTrans globalTransform(localTransform->GetName()); | |
200 | globalTransform.SetTranslation(total.GetTranslation()); | |
201 | TGeoRotation rotation; | |
202 | rotation.SetMatrix(total.GetRotationMatrix()); | |
203 | globalTransform.SetRotation(rotation); | |
204 | ||
205 | // Set the global transformation to detection element | |
206 | detElement->SetGlobalTransformation(globalTransform); | |
207 | } | |
208 | } | |
209 | } | |
210 | ||
d4bb94a1 | 211 | // |
212 | // public functions | |
213 | // | |
214 | ||
e118b27e | 215 | //_____________________________________________________________________________ |
216 | void AliMUONGeometryBuilder::AddBuilder(AliMUONVGeometryBuilder* geomBuilder) | |
217 | { | |
218 | // Adds the geometry builder to the list | |
219 | // --- | |
220 | ||
221 | fGeometryBuilders->Add(geomBuilder); | |
222 | } | |
223 | ||
d4bb94a1 | 224 | //______________________________________________________________________________ |
225 | void AliMUONGeometryBuilder::CreateGeometry() | |
226 | { | |
227 | // | |
228 | // Construct geometry using geometry builders. | |
229 | // | |
230 | ||
231 | for (Int_t i=0; i<fGeometryBuilders->GetEntriesFast(); i++) { | |
232 | ||
233 | // Get the builder | |
234 | AliMUONVGeometryBuilder* builder | |
235 | = (AliMUONVGeometryBuilder*)fGeometryBuilders->At(i); | |
236 | ||
e118b27e | 237 | // Create geometry + envelopes |
238 | // | |
239 | if (fAlign) { | |
240 | builder->ReadTransformations(); | |
241 | builder->CreateGeometry(); | |
d4bb94a1 | 242 | } |
e118b27e | 243 | else { |
244 | builder->CreateGeometry(); | |
245 | builder->SetTransformations(); | |
246 | } | |
d4bb94a1 | 247 | |
cfbf2f7d | 248 | // Place module volumes and envelopes |
e118b27e | 249 | // |
250 | for (Int_t j=0; j<builder->NofGeometries(); j++) { | |
d4bb94a1 | 251 | |
e118b27e | 252 | AliMUONGeometryModule* geometry = builder->Geometry(j); |
cfbf2f7d | 253 | |
254 | // Place the module volume | |
255 | if ( !geometry->IsVirtual() ) { | |
256 | TGeoHMatrix total | |
257 | = fGlobalTransformation * | |
258 | (*geometry->GetTransformation()); | |
259 | ||
260 | PlaceVolume(geometry->GetVolume(), geometry->GetMotherVolume(), | |
261 | 1, total, 0, 0, "ONLY"); | |
262 | } | |
e118b27e | 263 | |
264 | // Loop over envelopes | |
265 | const TObjArray* kEnvelopes = geometry->GetEnvelopeStore()->GetEnvelopes(); | |
266 | for (Int_t k=0; k<kEnvelopes->GetEntriesFast(); k++) { | |
267 | ||
268 | // Get envelope | |
269 | AliMUONGeometryEnvelope* env = (AliMUONGeometryEnvelope*)kEnvelopes->At(k); | |
270 | const TGeoCombiTrans* kEnvTrans = env->GetTransformation(); | |
271 | const char* only = "ONLY"; | |
272 | if (env->IsMANY()) only = "MANY"; | |
273 | ||
274 | if (env->IsVirtual() && env->GetConstituents()->GetEntriesFast() == 0 ) { | |
275 | // virtual envelope + nof constituents = 0 | |
276 | // => not allowed; | |
277 | // empty virtual envelope has no sense | |
278 | AliFatal("Virtual envelope must have constituents."); | |
279 | return; | |
280 | } | |
d4bb94a1 | 281 | |
e118b27e | 282 | if (!env->IsVirtual() && env->GetConstituents()->GetEntriesFast() > 0 ) { |
283 | // non virtual envelope + nof constituents > 0 | |
284 | // => not allowed; | |
285 | // use VMC to place constituents | |
286 | AliFatal("Non virtual envelope cannot have constituents."); | |
287 | return; | |
288 | } | |
289 | ||
290 | if (!env->IsVirtual() && env->GetConstituents()->GetEntriesFast() == 0 ) { | |
291 | // non virtual envelope + nof constituents = 0 | |
292 | // => place envelope in ALICE by composed transformation: | |
293 | // Tglobal * Tch * Tenv | |
294 | ||
295 | // Compound chamber transformation with the envelope one | |
cfbf2f7d | 296 | if (geometry->IsVirtual()) { |
297 | TGeoHMatrix total | |
298 | = fGlobalTransformation * | |
299 | (*geometry->GetTransformation()) * | |
300 | (*kEnvTrans); | |
301 | PlaceVolume(env->GetName(), geometry->GetMotherVolume(), | |
302 | env->GetCopyNo(), total, 0, 0, only); | |
303 | } | |
304 | else { | |
305 | TGeoHMatrix total | |
306 | = (*kEnvTrans); | |
307 | PlaceVolume(env->GetName(), geometry->GetVolume(), | |
308 | env->GetCopyNo(), total, 0, 0, only); | |
309 | } | |
e118b27e | 310 | } |
311 | ||
312 | if (env->IsVirtual() && env->GetConstituents()->GetEntriesFast() > 0 ) { | |
313 | // virtual envelope + nof constituents > 0 | |
314 | // => do not place envelope and place constituents | |
315 | // in ALICE by composed transformation: | |
316 | // Tglobal * Tch * Tenv * Tconst | |
d4bb94a1 | 317 | |
e118b27e | 318 | for (Int_t l=0; l<env->GetConstituents()->GetEntriesFast(); l++) { |
319 | AliMUONGeometryConstituent* constituent | |
320 | = (AliMUONGeometryConstituent*)env->GetConstituents()->At(l); | |
321 | ||
322 | // Compound chamber transformation with the envelope one + the constituent one | |
cfbf2f7d | 323 | if (geometry->IsVirtual()) { |
324 | TGeoHMatrix total | |
325 | = fGlobalTransformation * | |
326 | (*geometry->GetTransformation()) * | |
327 | (*kEnvTrans) * | |
328 | (*constituent->GetTransformation()); | |
329 | ||
330 | PlaceVolume(constituent->GetName(), geometry->GetMotherVolume(), | |
331 | constituent->GetCopyNo(), total, | |
332 | constituent->GetNpar(), constituent->GetParam(), only); | |
333 | } | |
334 | else { | |
335 | TGeoHMatrix total | |
336 | = (*kEnvTrans) * | |
337 | (*constituent->GetTransformation()); | |
338 | ||
339 | PlaceVolume(constituent->GetName(), geometry->GetVolume(), | |
340 | constituent->GetCopyNo(), total, | |
341 | constituent->GetNpar(), constituent->GetParam(), only); | |
342 | } | |
e118b27e | 343 | } |
d4bb94a1 | 344 | } |
e118b27e | 345 | } // end of loop over envelopes |
346 | } // end of loop over builder geometries | |
347 | } // end of loop over builders | |
d4bb94a1 | 348 | } |
349 | ||
350 | //_____________________________________________________________________________ | |
351 | void AliMUONGeometryBuilder::CreateMaterials() | |
352 | { | |
e118b27e | 353 | // |
354 | // Construct materials specific to modules via builders | |
355 | // | |
d4bb94a1 | 356 | |
357 | for (Int_t i=0; i<fGeometryBuilders->GetEntriesFast(); i++) { | |
358 | ||
359 | // Get the builder | |
360 | AliMUONVGeometryBuilder* builder | |
361 | = (AliMUONVGeometryBuilder*)fGeometryBuilders->At(i); | |
362 | ||
363 | // Create materials with each builder | |
364 | if (builder) builder->CreateMaterials(); | |
365 | } | |
366 | } | |
367 | ||
368 | //______________________________________________________________________________ | |
369 | void AliMUONGeometryBuilder::InitGeometry() | |
370 | { | |
371 | // Initialize geometry | |
372 | // --- | |
373 | ||
d4bb94a1 | 374 | // Set the chamber (sensitive region) GEANT identifier |
375 | // | |
376 | for (Int_t i=0; i<fGeometryBuilders->GetEntriesFast(); i++) { | |
377 | ||
378 | // Get the builder | |
379 | AliMUONVGeometryBuilder* builder | |
380 | = (AliMUONVGeometryBuilder*)fGeometryBuilders->At(i); | |
381 | ||
4a9de4af | 382 | // Read alignement data if geometry is read from Root file |
383 | if (gAlice->IsRootGeometry()) { | |
384 | fAlign = true; | |
385 | builder->ReadTransformations(); | |
386 | } | |
387 | ||
d4bb94a1 | 388 | // Set sesitive volumes with each builder |
76497dec | 389 | builder->SetSensitiveVolumes(); |
e118b27e | 390 | |
4a9de4af | 391 | |
76497dec | 392 | // Read sensitive volume map from a file |
393 | builder->ReadSVMap(); | |
394 | if (!fAlign) builder->FillTransformations(); | |
e118b27e | 395 | |
396 | // Compute global transformations of detection elements | |
397 | FillGlobalTransformations(builder); | |
398 | } | |
76497dec | 399 | } |
400 | ||
401 | //______________________________________________________________________________ | |
402 | void AliMUONGeometryBuilder::WriteTransformations() | |
403 | { | |
404 | // Writes transformations into files per builder | |
405 | // --- | |
406 | ||
407 | for (Int_t i=0; i<fGeometryBuilders->GetEntriesFast(); i++) { | |
408 | ||
409 | // Get the builder | |
410 | AliMUONVGeometryBuilder* builder | |
411 | = (AliMUONVGeometryBuilder*)fGeometryBuilders->At(i); | |
412 | ||
413 | // Write transformations | |
414 | builder->WriteTransformations(); | |
415 | } | |
416 | } | |
417 | ||
418 | //______________________________________________________________________________ | |
419 | void AliMUONGeometryBuilder::WriteSVMaps(Bool_t rebuild) | |
420 | { | |
421 | // Writes sensitive volume maps into files per builder | |
422 | // --- | |
423 | ||
424 | for (Int_t i=0; i<fGeometryBuilders->GetEntriesFast(); i++) { | |
425 | ||
426 | // Get the builder | |
427 | AliMUONVGeometryBuilder* builder | |
428 | = (AliMUONVGeometryBuilder*)fGeometryBuilders->At(i); | |
429 | ||
430 | // Write transformations | |
431 | builder->WriteSVMap(rebuild); | |
d4bb94a1 | 432 | } |
433 | } | |
434 | ||
435 | //_____________________________________________________________________________ | |
e118b27e | 436 | void AliMUONGeometryBuilder::SetGlobalTransformation( |
437 | const TGeoCombiTrans& transform) | |
d4bb94a1 | 438 | { |
e118b27e | 439 | // Sets the global transformation |
d4bb94a1 | 440 | // --- |
441 | ||
e118b27e | 442 | fGlobalTransformation = transform; |
443 | } | |
d4bb94a1 | 444 | |
76497dec | 445 | //_____________________________________________________________________________ |
446 | void AliMUONGeometryBuilder::SetAlign(Bool_t align) | |
447 | { | |
448 | // Sets the option for alignement | |
449 | // --- | |
450 | ||
451 | fAlign = align; | |
452 | ||
e118b27e | 453 | for (Int_t i=0; i<fGeometryBuilders->GetEntriesFast(); i++) { |
454 | ||
455 | // Get the builder | |
456 | AliMUONVGeometryBuilder* builder | |
457 | = (AliMUONVGeometryBuilder*)fGeometryBuilders->At(i); | |
76497dec | 458 | |
e118b27e | 459 | for (Int_t j=0; j<builder->NofGeometries(); j++) { |
76497dec | 460 | |
e118b27e | 461 | AliMUONGeometryModule* geometry = builder->Geometry(j); |
462 | ||
463 | geometry->SetAlign(align); | |
464 | } | |
76497dec | 465 | } |
466 | } |