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afc8e661 | 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 AliMUONGeometryTransformer | |
19 | // ---------------------------- | |
20 | // Top container class for geometry transformations | |
21 | // | |
22 | // Author: Ivana Hrivnacova, IPN Orsay | |
23 | ||
24 | #include <sstream> | |
25 | ||
26 | #include <Riostream.h> | |
27 | #include <TObjArray.h> | |
28 | #include <TSystem.h> | |
29 | ||
30 | #include "AliLog.h" | |
31 | ||
32 | #include "AliMUONGeometryTransformer.h" | |
33 | #include "AliMUONGeometryModuleTransformer.h" | |
34 | #include "AliMUONGeometryDetElement.h" | |
35 | #include "AliMUONGeometryDEIndexing.h" | |
36 | #include "AliMUONGeometryStore.h" | |
37 | ||
38 | ||
39 | ClassImp(AliMUONGeometryTransformer) | |
40 | ||
41 | //______________________________________________________________________________ | |
42 | AliMUONGeometryTransformer::AliMUONGeometryTransformer(Bool_t isOwner) | |
43 | : TObject(), | |
44 | fModuleTransformers(0) | |
45 | { | |
46 | /// Standard constructor | |
47 | ||
48 | // Create array for geometry modules | |
49 | fModuleTransformers = new TObjArray(); | |
50 | fModuleTransformers->SetOwner(isOwner); | |
51 | } | |
52 | ||
53 | //______________________________________________________________________________ | |
54 | AliMUONGeometryTransformer::AliMUONGeometryTransformer() | |
55 | : TObject(), | |
56 | fModuleTransformers(0) | |
57 | { | |
58 | /// Default constructor | |
59 | } | |
60 | ||
61 | //______________________________________________________________________________ | |
62 | AliMUONGeometryTransformer::AliMUONGeometryTransformer( | |
63 | const AliMUONGeometryTransformer& right) | |
64 | : TObject(right) | |
65 | { | |
66 | /// Copy constructor (not implemented) | |
67 | ||
68 | AliFatal("Copy constructor not provided."); | |
69 | } | |
70 | ||
71 | //______________________________________________________________________________ | |
72 | AliMUONGeometryTransformer::~AliMUONGeometryTransformer() | |
73 | { | |
74 | /// Destructor | |
75 | ||
76 | delete fModuleTransformers; | |
77 | } | |
78 | ||
79 | //______________________________________________________________________________ | |
80 | AliMUONGeometryTransformer& | |
81 | AliMUONGeometryTransformer::operator=(const AliMUONGeometryTransformer& right) | |
82 | { | |
83 | /// Assignement operator (not implemented) | |
84 | ||
85 | // check assignement to self | |
86 | if (this == &right) return *this; | |
87 | ||
88 | AliFatal("Assignement operator not provided."); | |
89 | ||
90 | return *this; | |
91 | } | |
92 | ||
93 | // | |
94 | // private methods | |
95 | // | |
96 | ||
97 | //_____________________________________________________________________________ | |
98 | AliMUONGeometryModuleTransformer* | |
99 | AliMUONGeometryTransformer::GetModuleTransformerNonConst( | |
100 | Int_t index, Bool_t warn) const | |
101 | { | |
102 | /// Return the geometry module specified by index | |
103 | ||
104 | if (index < 0 || index >= fModuleTransformers->GetEntriesFast()) { | |
105 | if (warn) { | |
106 | AliWarningStream() | |
107 | << "Index: " << index << " outside limits" << std::endl; | |
108 | } | |
109 | return 0; | |
110 | } | |
111 | ||
112 | return (AliMUONGeometryModuleTransformer*) fModuleTransformers->At(index); | |
113 | } | |
114 | ||
115 | //______________________________________________________________________________ | |
116 | TString AliMUONGeometryTransformer::ComposePath(const TString& volName, | |
117 | Int_t copyNo) const | |
118 | { | |
119 | // Compose path from given volName and copyNo | |
120 | // --- | |
121 | ||
122 | TString path(volName); | |
123 | path += "."; | |
124 | path += copyNo; | |
125 | ||
126 | return path; | |
127 | } | |
128 | ||
129 | //______________________________________________________________________________ | |
130 | TGeoHMatrix AliMUONGeometryTransformer::GetTransform( | |
131 | Double_t x, Double_t y, Double_t z, | |
132 | Double_t a1, Double_t a2, Double_t a3, | |
133 | Double_t a4, Double_t a5, Double_t a6) const | |
134 | { | |
135 | // Builds the transformation from the given parameters | |
136 | // --- | |
137 | ||
138 | // Compose transform | |
139 | return TGeoCombiTrans(TGeoTranslation(x, y, z), | |
140 | TGeoRotation("rot", a1, a2, a3, a4, a5, a6)); | |
141 | } | |
142 | ||
143 | ||
144 | //______________________________________________________________________________ | |
145 | void AliMUONGeometryTransformer::FillData(Int_t moduleId, | |
146 | Double_t x, Double_t y, Double_t z, | |
147 | Double_t a1, Double_t a2, Double_t a3, | |
148 | Double_t a4, Double_t a5, Double_t a6) | |
149 | { | |
150 | // Fill the transformation of the module. | |
151 | // --- | |
152 | ||
153 | // Get/Create geometry module parametrisation | |
154 | moduleId--; | |
155 | // Modules numbers in the file are starting from 1 | |
156 | ||
157 | AliMUONGeometryModuleTransformer* moduleTransformer | |
317aa7dc | 158 | = GetModuleTransformerNonConst(moduleId, false); |
afc8e661 | 159 | |
160 | if ( !moduleTransformer) { | |
161 | moduleTransformer = new AliMUONGeometryModuleTransformer(moduleId); | |
162 | AddModuleTransformer(moduleTransformer); | |
163 | } | |
164 | ||
165 | // Build the transformation from the parameters | |
166 | TGeoHMatrix transform | |
167 | = GetTransform(x, y, z, a1, a2, a3, a4, a5, a6); | |
168 | ||
169 | moduleTransformer->SetTransformation(transform); | |
170 | ||
171 | } | |
172 | ||
173 | //______________________________________________________________________________ | |
174 | void AliMUONGeometryTransformer::FillData( | |
175 | Int_t detElemId, const TString& volName, Int_t copyNo, | |
176 | Double_t x, Double_t y, Double_t z, | |
177 | Double_t a1, Double_t a2, Double_t a3, | |
178 | Double_t a4, Double_t a5, Double_t a6) | |
179 | { | |
180 | // Fill the transformation of the detection element. | |
181 | // --- | |
182 | ||
183 | // Module Id | |
184 | Int_t moduleId | |
185 | = AliMUONGeometryDEIndexing::GetModuleId(detElemId); | |
186 | ||
187 | // Compose path | |
188 | TString path = ComposePath(volName, copyNo); | |
189 | ||
190 | // Build the transformation from the parameters | |
191 | TGeoHMatrix transform | |
192 | = GetTransform(x, y, z, a1, a2, a3, a4, a5, a6); | |
193 | ||
194 | // Compose TGeoCombiTrans | |
195 | TGeoCombiTrans newCombiTransform(transform); | |
196 | ||
197 | // Get detection element store | |
198 | AliMUONGeometryStore* detElements = | |
199 | GetModuleTransformer(moduleId)->GetDetElementStore(); | |
200 | ||
201 | // Add detection element | |
202 | detElements->Add(detElemId, | |
203 | new AliMUONGeometryDetElement(detElemId, path, newCombiTransform)); | |
204 | } | |
205 | ||
206 | //______________________________________________________________________________ | |
207 | TString AliMUONGeometryTransformer::ReadData1(ifstream& in) | |
208 | { | |
209 | // Reads and fills modules transformations from a file | |
210 | // Returns true, if reading finished correctly. | |
211 | // --- | |
212 | ||
213 | TString key("CH"); | |
214 | while ( key == TString("CH") ) { | |
215 | Int_t id, n; | |
216 | Double_t x, y, z; | |
217 | Double_t a1, a2, a3, a4, a5, a6; | |
218 | TString dummy; | |
219 | ||
220 | in >> id; | |
221 | in >> n; | |
222 | in >> dummy; | |
223 | in >> x; | |
224 | in >> y; | |
225 | in >> z; | |
226 | in >> dummy; | |
227 | in >> a1; | |
228 | in >> a2; | |
229 | in >> a3; | |
230 | in >> a4; | |
231 | in >> a5; | |
232 | in >> a6; | |
233 | ||
234 | //cout << "id=" << id << " " | |
235 | // << "position= " << x << ", " << y << ", " << z << " " | |
236 | // << "rotation= " << a1 << ", " << a2 << ", " << a3 << ", " | |
237 | // << a4 << ", " << a5 << ", " << a6 | |
238 | // << endl; | |
239 | ||
240 | // Fill data | |
241 | FillData(id, x, y, z, a1, a2, a3, a4, a5, a6); | |
242 | ||
243 | // Go to next line | |
244 | in >> key; | |
245 | } | |
246 | ||
247 | return key; | |
248 | } | |
249 | ||
250 | //______________________________________________________________________________ | |
251 | TString AliMUONGeometryTransformer::ReadData2(ifstream& in) | |
252 | { | |
253 | // Reads detection elements transformations from a file | |
254 | // Returns true, if reading finished correctly. | |
255 | // --- | |
256 | ||
257 | TString key("DE"); | |
258 | while ( key == TString("DE") ) { | |
259 | ||
260 | // Input data | |
261 | Int_t detElemId; | |
262 | TString volumeName; | |
263 | Int_t copyNo; | |
264 | Double_t x, y, z; | |
265 | Double_t a1, a2, a3, a4, a5, a6; | |
266 | TString dummy; | |
267 | ||
268 | in >> detElemId; | |
269 | in >> volumeName; | |
270 | in >> copyNo; | |
271 | in >> dummy; | |
272 | in >> x; | |
273 | in >> y; | |
274 | in >> z; | |
275 | in >> dummy; | |
276 | in >> a1; | |
277 | in >> a2; | |
278 | in >> a3; | |
279 | in >> a4; | |
280 | in >> a5; | |
281 | in >> a6; | |
282 | ||
283 | //cout << "detElemId=" << detElemId << " " | |
284 | // << "volume=" << volumeName << " " | |
285 | // << "copyNo=" << copyNo << " " | |
286 | // << "position= " << x << ", " << y << ", " << z << " " | |
287 | // << "rotation= " << a1 << ", " << a2 << ", " << a3 << ", " | |
288 | // << a4 << ", " << a5 << ", " << a6 | |
289 | // << endl; | |
290 | ||
291 | // Fill data | |
292 | FillData(detElemId, volumeName, copyNo, x, y, z, a1, a2, a3, a4, a5, a6); | |
293 | ||
294 | // Go to next line | |
295 | in >> key; | |
296 | } | |
297 | ||
298 | return key; | |
299 | } | |
300 | ||
301 | //______________________________________________________________________________ | |
302 | void AliMUONGeometryTransformer::WriteTransform(ofstream& out, | |
303 | const TGeoCombiTrans* transform) const | |
304 | { | |
305 | // Writes the transformations | |
306 | // --- | |
307 | ||
308 | out << " pos: "; | |
309 | const Double_t* xyz = transform->GetTranslation(); | |
310 | out << setw(10) << setprecision(4) << xyz[0] << " " | |
311 | << setw(10) << setprecision(4) << xyz[1] << " " | |
312 | << setw(10) << setprecision(4) << xyz[2]; | |
313 | ||
314 | out << " rot: "; | |
315 | const Double_t* rm = transform->GetRotationMatrix(); | |
316 | TGeoRotation rotation; | |
317 | rotation.SetMatrix(const_cast<Double_t*>(rm)); | |
318 | Double_t a1, a2, a3, a4, a5, a6; | |
319 | rotation.GetAngles(a1, a2, a3, a4, a5, a6); | |
320 | ||
321 | out << setw(8) << setprecision(4) << a1 << " " | |
322 | << setw(8) << setprecision(4) << a2 << " " | |
323 | << setw(8) << setprecision(4) << a3 << " " | |
324 | << setw(8) << setprecision(4) << a4 << " " | |
325 | << setw(8) << setprecision(4) << a5 << " " | |
326 | << setw(8) << setprecision(4) << a6 << " " << endl; | |
327 | } | |
328 | ||
329 | //______________________________________________________________________________ | |
330 | void AliMUONGeometryTransformer::WriteData1(ofstream& out) const | |
331 | { | |
332 | // Writes modules transformations | |
333 | // --- | |
334 | ||
335 | for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) { | |
336 | AliMUONGeometryModuleTransformer* moduleTransformer | |
337 | = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i); | |
338 | const TGeoCombiTrans* transform | |
339 | = moduleTransformer->GetTransformation(); | |
340 | ||
341 | out << "CH " | |
342 | << setw(4) << moduleTransformer->GetModuleId() + 1 << " " | |
343 | << setw(4) << moduleTransformer->GetDetElementStore()->GetNofEntries() << " "; | |
344 | ||
345 | WriteTransform(out, transform); | |
346 | } | |
347 | out << endl; | |
348 | } | |
349 | ||
350 | //______________________________________________________________________________ | |
351 | void AliMUONGeometryTransformer::WriteData2(ofstream& out) const | |
352 | { | |
353 | // Writes detection elements (envelopes) transformations | |
354 | // --- | |
355 | ||
356 | ||
357 | for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) { | |
358 | AliMUONGeometryModuleTransformer* moduleTransformer | |
359 | = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i); | |
360 | AliMUONGeometryStore* detElements | |
361 | = moduleTransformer->GetDetElementStore(); | |
362 | ||
363 | for (Int_t j=0; j<detElements->GetNofEntries(); j++) { | |
364 | AliMUONGeometryDetElement* detElement | |
365 | = (AliMUONGeometryDetElement*)detElements->GetEntry(j); | |
366 | const TGeoCombiTrans* transform | |
367 | = detElement->GetLocalTransformation(); | |
368 | ||
369 | // Get volume name & copy number from aligned volume | |
370 | string volCopyNo = detElement->GetAlignedVolume().Data(); | |
371 | std::string::size_type first = volCopyNo.find('.'); | |
372 | std::string volName = volCopyNo.substr(0, first); | |
373 | std::string copyNoStr = volCopyNo.substr(first+1, volCopyNo.length()); | |
374 | std::istringstream in(copyNoStr); | |
375 | Int_t copyNo; | |
376 | in >> copyNo; | |
377 | ||
378 | // Write data on out | |
379 | out << "DE " | |
380 | << setw(4) << detElement->GetId() << " " | |
381 | << volName << " " | |
382 | << setw(4) << copyNo; | |
383 | ||
384 | WriteTransform(out, transform); | |
385 | } | |
386 | out << endl; | |
387 | } | |
388 | } | |
389 | ||
390 | // | |
391 | // public functions | |
392 | // | |
393 | ||
394 | //______________________________________________________________________________ | |
395 | Bool_t | |
396 | AliMUONGeometryTransformer::ReadTransformations(const TString& fileName) | |
397 | { | |
398 | // Reads transformations from a file | |
399 | // Returns true, if reading finished correctly. | |
400 | // --- | |
401 | ||
afc8e661 | 402 | // File path |
403 | TString filePath = gSystem->Getenv("ALICE_ROOT"); | |
404 | filePath += "/MUON/data/"; | |
405 | filePath += fileName; | |
406 | ||
407 | // Open input file | |
408 | ifstream in(filePath, ios::in); | |
409 | if (!in) { | |
410 | cerr << filePath << endl; | |
411 | AliFatal("File not found."); | |
412 | return false; | |
413 | } | |
414 | ||
415 | TString key; | |
416 | in >> key; | |
417 | while ( !in.eof() ) { | |
418 | if (key == TString("CH")) | |
419 | key = ReadData1(in); | |
420 | else if (key == TString("DE")) | |
421 | key = ReadData2(in); | |
422 | else { | |
423 | AliFatal(Form("%s key not recognized", key.Data())); | |
424 | return false; | |
425 | } | |
426 | } | |
427 | ||
428 | return true; | |
429 | } | |
430 | ||
431 | //______________________________________________________________________________ | |
432 | Bool_t | |
433 | AliMUONGeometryTransformer::WriteTransformations(const TString& fileName) const | |
434 | { | |
435 | // Writes transformations into a file | |
436 | // Returns true, if writing finished correctly. | |
437 | // --- | |
438 | ||
439 | // No writing | |
440 | // if builder is not associated with any geometry module | |
441 | if (fModuleTransformers->GetEntriesFast() == 0) return false; | |
442 | ||
443 | // File path | |
444 | TString filePath = gSystem->Getenv("ALICE_ROOT"); | |
445 | filePath += "/MUON/data/"; | |
446 | filePath += fileName; | |
447 | ||
448 | // Open input file | |
449 | ofstream out(filePath, ios::out); | |
450 | if (!out) { | |
451 | cerr << filePath << endl; | |
452 | AliError("File not found."); | |
453 | return false; | |
454 | } | |
455 | #if !defined (__DECCXX) | |
456 | out.setf(std::ios::fixed); | |
457 | #endif | |
458 | WriteData1(out); | |
459 | WriteData2(out); | |
460 | ||
461 | return true; | |
462 | } | |
463 | ||
464 | //_____________________________________________________________________________ | |
465 | void AliMUONGeometryTransformer::AddModuleTransformer( | |
466 | AliMUONGeometryModuleTransformer* moduleTransformer) | |
467 | { | |
468 | /// Add the geometrymodule to the array | |
469 | ||
470 | fModuleTransformers->AddAt(moduleTransformer, | |
471 | moduleTransformer->GetModuleId()); | |
472 | } | |
473 | ||
474 | //_____________________________________________________________________________ | |
475 | void AliMUONGeometryTransformer::Global2Local(Int_t detElemId, | |
476 | Float_t xg, Float_t yg, Float_t zg, | |
477 | Float_t& xl, Float_t& yl, Float_t& zl) const | |
478 | { | |
479 | /// Transform point from the global reference frame (ALIC) | |
480 | /// to the local reference frame of the detection element specified | |
481 | /// by detElemId. | |
482 | ||
483 | const AliMUONGeometryModuleTransformer* kTransformer | |
484 | = GetModuleTransformerByDEId(detElemId); | |
485 | ||
486 | if (kTransformer) | |
487 | kTransformer->Global2Local(detElemId, xg, yg, zg, xl, yl, zl); | |
488 | } | |
489 | ||
490 | //_____________________________________________________________________________ | |
491 | void AliMUONGeometryTransformer::Global2Local(Int_t detElemId, | |
492 | Double_t xg, Double_t yg, Double_t zg, | |
493 | Double_t& xl, Double_t& yl, Double_t& zl) const | |
494 | { | |
495 | /// Transform point from the global reference frame (ALIC) | |
496 | /// to the local reference frame of the detection element specified | |
497 | /// by detElemId. | |
498 | ||
499 | const AliMUONGeometryModuleTransformer* kTransformer | |
500 | = GetModuleTransformerByDEId(detElemId); | |
501 | ||
502 | if (kTransformer) | |
503 | kTransformer->Global2Local(detElemId, xg, yg, zg, xl, yl, zl); | |
504 | } | |
505 | ||
506 | //_____________________________________________________________________________ | |
507 | void AliMUONGeometryTransformer::Local2Global(Int_t detElemId, | |
508 | Float_t xl, Float_t yl, Float_t zl, | |
509 | Float_t& xg, Float_t& yg, Float_t& zg) const | |
510 | { | |
511 | /// Transform point from the local reference frame of the detection element | |
512 | /// specified by detElemId to the global reference frame (ALIC). | |
513 | ||
514 | const AliMUONGeometryModuleTransformer* kTransformer | |
515 | = GetModuleTransformerByDEId(detElemId); | |
516 | ||
517 | if (kTransformer) | |
518 | kTransformer->Local2Global(detElemId, xl, yl, zl, xg, yg, zg); | |
519 | } | |
520 | ||
521 | //_____________________________________________________________________________ | |
522 | void AliMUONGeometryTransformer::Local2Global(Int_t detElemId, | |
523 | Double_t xl, Double_t yl, Double_t zl, | |
524 | Double_t& xg, Double_t& yg, Double_t& zg) const | |
525 | { | |
526 | /// Transform point from the local reference frame of the detection element | |
527 | /// specified by detElemId to the global reference frame (ALIC). | |
528 | ||
529 | const AliMUONGeometryModuleTransformer* kTransformer | |
530 | = GetModuleTransformerByDEId(detElemId); | |
531 | ||
532 | if (kTransformer) | |
533 | kTransformer->Local2Global(detElemId, xl, yl, zl, xg, yg, zg); | |
534 | } | |
535 | ||
536 | //_____________________________________________________________________________ | |
537 | const AliMUONGeometryModuleTransformer* | |
538 | AliMUONGeometryTransformer::GetModuleTransformer(Int_t index, Bool_t warn) const | |
539 | { | |
540 | /// Return the geometry module specified by index | |
541 | ||
542 | return GetModuleTransformerNonConst(index, warn); | |
543 | } | |
544 | ||
545 | //_____________________________________________________________________________ | |
546 | const AliMUONGeometryModuleTransformer* | |
547 | AliMUONGeometryTransformer::GetModuleTransformerByDEId(Int_t detElemId, | |
548 | Bool_t warn) const | |
549 | { | |
550 | /// Return the geometry module specified by index | |
551 | ||
552 | // Get module index | |
553 | Int_t index = AliMUONGeometryDEIndexing::GetModuleId(detElemId); | |
554 | ||
555 | return GetModuleTransformer(index, warn); | |
556 | } | |
317aa7dc | 557 | |
558 | //_____________________________________________________________________________ | |
559 | Bool_t AliMUONGeometryTransformer::HasDE(Int_t detElemId) const | |
560 | { | |
561 | /// Return true if detection element with given detElemId is defined | |
562 | ||
563 | const AliMUONGeometryModuleTransformer* kTransformer | |
564 | = GetModuleTransformerByDEId(detElemId, false); | |
565 | ||
566 | if (!kTransformer) return false; | |
567 | ||
568 | return ( kTransformer->GetDetElement(detElemId, false) != 0 ); | |
569 | } | |
570 | ||
571 |