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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> | |
afc8e661 | 27 | #include <TSystem.h> |
28 | ||
29 | #include "AliLog.h" | |
30 | ||
31 | #include "AliMUONGeometryTransformer.h" | |
32 | #include "AliMUONGeometryModuleTransformer.h" | |
33 | #include "AliMUONGeometryDetElement.h" | |
afc8e661 | 34 | #include "AliMUONGeometryStore.h" |
2864a3ac | 35 | #include "AliMUONGeometryBuilder.h" |
afc8e661 | 36 | |
37 | ||
38 | ClassImp(AliMUONGeometryTransformer) | |
39 | ||
40 | //______________________________________________________________________________ | |
41 | AliMUONGeometryTransformer::AliMUONGeometryTransformer(Bool_t isOwner) | |
42 | : TObject(), | |
43 | fModuleTransformers(0) | |
44 | { | |
45 | /// Standard constructor | |
46 | ||
47 | // Create array for geometry modules | |
48 | fModuleTransformers = new TObjArray(); | |
49 | fModuleTransformers->SetOwner(isOwner); | |
50 | } | |
51 | ||
52 | //______________________________________________________________________________ | |
53 | AliMUONGeometryTransformer::AliMUONGeometryTransformer() | |
54 | : TObject(), | |
55 | fModuleTransformers(0) | |
56 | { | |
57 | /// Default constructor | |
58 | } | |
59 | ||
60 | //______________________________________________________________________________ | |
61 | AliMUONGeometryTransformer::AliMUONGeometryTransformer( | |
62 | const AliMUONGeometryTransformer& right) | |
63 | : TObject(right) | |
64 | { | |
65 | /// Copy constructor (not implemented) | |
66 | ||
67 | AliFatal("Copy constructor not provided."); | |
68 | } | |
69 | ||
70 | //______________________________________________________________________________ | |
71 | AliMUONGeometryTransformer::~AliMUONGeometryTransformer() | |
72 | { | |
73 | /// Destructor | |
74 | ||
75 | delete fModuleTransformers; | |
76 | } | |
77 | ||
78 | //______________________________________________________________________________ | |
79 | AliMUONGeometryTransformer& | |
80 | AliMUONGeometryTransformer::operator=(const AliMUONGeometryTransformer& right) | |
81 | { | |
82 | /// Assignement operator (not implemented) | |
83 | ||
84 | // check assignement to self | |
85 | if (this == &right) return *this; | |
86 | ||
87 | AliFatal("Assignement operator not provided."); | |
88 | ||
89 | return *this; | |
90 | } | |
91 | ||
92 | // | |
93 | // private methods | |
94 | // | |
95 | ||
96 | //_____________________________________________________________________________ | |
97 | AliMUONGeometryModuleTransformer* | |
98 | AliMUONGeometryTransformer::GetModuleTransformerNonConst( | |
99 | Int_t index, Bool_t warn) const | |
100 | { | |
101 | /// Return the geometry module specified by index | |
102 | ||
103 | if (index < 0 || index >= fModuleTransformers->GetEntriesFast()) { | |
104 | if (warn) { | |
105 | AliWarningStream() | |
106 | << "Index: " << index << " outside limits" << std::endl; | |
107 | } | |
108 | return 0; | |
109 | } | |
110 | ||
111 | return (AliMUONGeometryModuleTransformer*) fModuleTransformers->At(index); | |
112 | } | |
113 | ||
114 | //______________________________________________________________________________ | |
115 | TString AliMUONGeometryTransformer::ComposePath(const TString& volName, | |
116 | Int_t copyNo) const | |
117 | { | |
118 | // Compose path from given volName and copyNo | |
119 | // --- | |
120 | ||
121 | TString path(volName); | |
122 | path += "."; | |
123 | path += copyNo; | |
124 | ||
125 | return path; | |
126 | } | |
127 | ||
128 | //______________________________________________________________________________ | |
129 | TGeoHMatrix AliMUONGeometryTransformer::GetTransform( | |
130 | Double_t x, Double_t y, Double_t z, | |
131 | Double_t a1, Double_t a2, Double_t a3, | |
132 | Double_t a4, Double_t a5, Double_t a6) const | |
133 | { | |
134 | // Builds the transformation from the given parameters | |
135 | // --- | |
136 | ||
137 | // Compose transform | |
138 | return TGeoCombiTrans(TGeoTranslation(x, y, z), | |
139 | TGeoRotation("rot", a1, a2, a3, a4, a5, a6)); | |
140 | } | |
141 | ||
142 | ||
143 | //______________________________________________________________________________ | |
144 | void AliMUONGeometryTransformer::FillData(Int_t moduleId, | |
145 | Double_t x, Double_t y, Double_t z, | |
146 | Double_t a1, Double_t a2, Double_t a3, | |
147 | Double_t a4, Double_t a5, Double_t a6) | |
148 | { | |
149 | // Fill the transformation of the module. | |
150 | // --- | |
151 | ||
152 | // Get/Create geometry module parametrisation | |
153 | moduleId--; | |
154 | // Modules numbers in the file are starting from 1 | |
155 | ||
156 | AliMUONGeometryModuleTransformer* moduleTransformer | |
317aa7dc | 157 | = GetModuleTransformerNonConst(moduleId, false); |
afc8e661 | 158 | |
159 | if ( !moduleTransformer) { | |
160 | moduleTransformer = new AliMUONGeometryModuleTransformer(moduleId); | |
161 | AddModuleTransformer(moduleTransformer); | |
162 | } | |
163 | ||
164 | // Build the transformation from the parameters | |
165 | TGeoHMatrix transform | |
166 | = GetTransform(x, y, z, a1, a2, a3, a4, a5, a6); | |
167 | ||
168 | moduleTransformer->SetTransformation(transform); | |
169 | ||
170 | } | |
171 | ||
172 | //______________________________________________________________________________ | |
173 | void AliMUONGeometryTransformer::FillData( | |
174 | Int_t detElemId, const TString& volName, Int_t copyNo, | |
175 | Double_t x, Double_t y, Double_t z, | |
176 | Double_t a1, Double_t a2, Double_t a3, | |
177 | Double_t a4, Double_t a5, Double_t a6) | |
178 | { | |
179 | // Fill the transformation of the detection element. | |
180 | // --- | |
181 | ||
182 | // Module Id | |
e5df8ea1 | 183 | Int_t moduleId = AliMUONGeometryStore::GetModuleId(detElemId); |
afc8e661 | 184 | |
185 | // Compose path | |
186 | TString path = ComposePath(volName, copyNo); | |
187 | ||
188 | // Build the transformation from the parameters | |
2864a3ac | 189 | TGeoHMatrix localTransform |
afc8e661 | 190 | = GetTransform(x, y, z, a1, a2, a3, a4, a5, a6); |
191 | ||
afc8e661 | 192 | // Get detection element store |
193 | AliMUONGeometryStore* detElements = | |
194 | GetModuleTransformer(moduleId)->GetDetElementStore(); | |
195 | ||
196 | // Add detection element | |
2864a3ac | 197 | AliMUONGeometryDetElement* detElement |
198 | = new AliMUONGeometryDetElement(detElemId, path, localTransform); | |
199 | detElements->Add(detElemId, detElement); | |
200 | ||
201 | // Compute global transformation | |
202 | const AliMUONGeometryModuleTransformer* kModuleTransformer | |
203 | = GetModuleTransformer(moduleId); | |
204 | if ( ! kModuleTransformer ) { | |
205 | AliFatal(Form("Module transformation not defined, detElemId %d", | |
206 | detElemId)); | |
207 | } | |
208 | ||
209 | TGeoHMatrix globalTransform | |
210 | = AliMUONGeometryBuilder::Multiply( | |
211 | *kModuleTransformer->GetTransformation(), | |
212 | localTransform ); | |
213 | detElement->SetGlobalTransformation(globalTransform); | |
afc8e661 | 214 | } |
215 | ||
216 | //______________________________________________________________________________ | |
217 | TString AliMUONGeometryTransformer::ReadData1(ifstream& in) | |
218 | { | |
219 | // Reads and fills modules transformations from a file | |
220 | // Returns true, if reading finished correctly. | |
221 | // --- | |
222 | ||
223 | TString key("CH"); | |
224 | while ( key == TString("CH") ) { | |
225 | Int_t id, n; | |
226 | Double_t x, y, z; | |
227 | Double_t a1, a2, a3, a4, a5, a6; | |
228 | TString dummy; | |
229 | ||
230 | in >> id; | |
231 | in >> n; | |
232 | in >> dummy; | |
233 | in >> x; | |
234 | in >> y; | |
235 | in >> z; | |
236 | in >> dummy; | |
237 | in >> a1; | |
238 | in >> a2; | |
239 | in >> a3; | |
240 | in >> a4; | |
241 | in >> a5; | |
242 | in >> a6; | |
243 | ||
244 | //cout << "id=" << id << " " | |
245 | // << "position= " << x << ", " << y << ", " << z << " " | |
246 | // << "rotation= " << a1 << ", " << a2 << ", " << a3 << ", " | |
247 | // << a4 << ", " << a5 << ", " << a6 | |
248 | // << endl; | |
249 | ||
250 | // Fill data | |
251 | FillData(id, x, y, z, a1, a2, a3, a4, a5, a6); | |
252 | ||
253 | // Go to next line | |
254 | in >> key; | |
255 | } | |
256 | ||
257 | return key; | |
258 | } | |
259 | ||
260 | //______________________________________________________________________________ | |
261 | TString AliMUONGeometryTransformer::ReadData2(ifstream& in) | |
262 | { | |
263 | // Reads detection elements transformations from a file | |
264 | // Returns true, if reading finished correctly. | |
265 | // --- | |
266 | ||
267 | TString key("DE"); | |
268 | while ( key == TString("DE") ) { | |
269 | ||
270 | // Input data | |
271 | Int_t detElemId; | |
272 | TString volumeName; | |
273 | Int_t copyNo; | |
274 | Double_t x, y, z; | |
275 | Double_t a1, a2, a3, a4, a5, a6; | |
276 | TString dummy; | |
277 | ||
278 | in >> detElemId; | |
279 | in >> volumeName; | |
280 | in >> copyNo; | |
281 | in >> dummy; | |
282 | in >> x; | |
283 | in >> y; | |
284 | in >> z; | |
285 | in >> dummy; | |
286 | in >> a1; | |
287 | in >> a2; | |
288 | in >> a3; | |
289 | in >> a4; | |
290 | in >> a5; | |
291 | in >> a6; | |
292 | ||
293 | //cout << "detElemId=" << detElemId << " " | |
294 | // << "volume=" << volumeName << " " | |
295 | // << "copyNo=" << copyNo << " " | |
296 | // << "position= " << x << ", " << y << ", " << z << " " | |
297 | // << "rotation= " << a1 << ", " << a2 << ", " << a3 << ", " | |
298 | // << a4 << ", " << a5 << ", " << a6 | |
299 | // << endl; | |
300 | ||
301 | // Fill data | |
302 | FillData(detElemId, volumeName, copyNo, x, y, z, a1, a2, a3, a4, a5, a6); | |
303 | ||
304 | // Go to next line | |
305 | in >> key; | |
306 | } | |
307 | ||
308 | return key; | |
309 | } | |
310 | ||
311 | //______________________________________________________________________________ | |
312 | void AliMUONGeometryTransformer::WriteTransform(ofstream& out, | |
313 | const TGeoCombiTrans* transform) const | |
314 | { | |
315 | // Writes the transformations | |
316 | // --- | |
317 | ||
318 | out << " pos: "; | |
319 | const Double_t* xyz = transform->GetTranslation(); | |
320 | out << setw(10) << setprecision(4) << xyz[0] << " " | |
321 | << setw(10) << setprecision(4) << xyz[1] << " " | |
322 | << setw(10) << setprecision(4) << xyz[2]; | |
323 | ||
324 | out << " rot: "; | |
325 | const Double_t* rm = transform->GetRotationMatrix(); | |
326 | TGeoRotation rotation; | |
327 | rotation.SetMatrix(const_cast<Double_t*>(rm)); | |
328 | Double_t a1, a2, a3, a4, a5, a6; | |
329 | rotation.GetAngles(a1, a2, a3, a4, a5, a6); | |
330 | ||
331 | out << setw(8) << setprecision(4) << a1 << " " | |
332 | << setw(8) << setprecision(4) << a2 << " " | |
333 | << setw(8) << setprecision(4) << a3 << " " | |
334 | << setw(8) << setprecision(4) << a4 << " " | |
335 | << setw(8) << setprecision(4) << a5 << " " | |
336 | << setw(8) << setprecision(4) << a6 << " " << endl; | |
337 | } | |
338 | ||
339 | //______________________________________________________________________________ | |
340 | void AliMUONGeometryTransformer::WriteData1(ofstream& out) const | |
341 | { | |
342 | // Writes modules transformations | |
343 | // --- | |
344 | ||
345 | for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) { | |
346 | AliMUONGeometryModuleTransformer* moduleTransformer | |
347 | = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i); | |
348 | const TGeoCombiTrans* transform | |
349 | = moduleTransformer->GetTransformation(); | |
350 | ||
351 | out << "CH " | |
352 | << setw(4) << moduleTransformer->GetModuleId() + 1 << " " | |
353 | << setw(4) << moduleTransformer->GetDetElementStore()->GetNofEntries() << " "; | |
354 | ||
355 | WriteTransform(out, transform); | |
356 | } | |
357 | out << endl; | |
358 | } | |
359 | ||
360 | //______________________________________________________________________________ | |
361 | void AliMUONGeometryTransformer::WriteData2(ofstream& out) const | |
362 | { | |
363 | // Writes detection elements (envelopes) transformations | |
364 | // --- | |
365 | ||
366 | ||
367 | for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) { | |
368 | AliMUONGeometryModuleTransformer* moduleTransformer | |
369 | = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i); | |
370 | AliMUONGeometryStore* detElements | |
371 | = moduleTransformer->GetDetElementStore(); | |
372 | ||
373 | for (Int_t j=0; j<detElements->GetNofEntries(); j++) { | |
374 | AliMUONGeometryDetElement* detElement | |
375 | = (AliMUONGeometryDetElement*)detElements->GetEntry(j); | |
376 | const TGeoCombiTrans* transform | |
377 | = detElement->GetLocalTransformation(); | |
378 | ||
379 | // Get volume name & copy number from aligned volume | |
380 | string volCopyNo = detElement->GetAlignedVolume().Data(); | |
381 | std::string::size_type first = volCopyNo.find('.'); | |
382 | std::string volName = volCopyNo.substr(0, first); | |
383 | std::string copyNoStr = volCopyNo.substr(first+1, volCopyNo.length()); | |
384 | std::istringstream in(copyNoStr); | |
385 | Int_t copyNo; | |
386 | in >> copyNo; | |
387 | ||
388 | // Write data on out | |
389 | out << "DE " | |
390 | << setw(4) << detElement->GetId() << " " | |
391 | << volName << " " | |
392 | << setw(4) << copyNo; | |
393 | ||
394 | WriteTransform(out, transform); | |
395 | } | |
396 | out << endl; | |
397 | } | |
398 | } | |
399 | ||
400 | // | |
401 | // public functions | |
402 | // | |
403 | ||
404 | //______________________________________________________________________________ | |
405 | Bool_t | |
406 | AliMUONGeometryTransformer::ReadTransformations(const TString& fileName) | |
407 | { | |
408 | // Reads transformations from a file | |
409 | // Returns true, if reading finished correctly. | |
410 | // --- | |
411 | ||
afc8e661 | 412 | // File path |
413 | TString filePath = gSystem->Getenv("ALICE_ROOT"); | |
414 | filePath += "/MUON/data/"; | |
415 | filePath += fileName; | |
416 | ||
417 | // Open input file | |
418 | ifstream in(filePath, ios::in); | |
419 | if (!in) { | |
420 | cerr << filePath << endl; | |
421 | AliFatal("File not found."); | |
422 | return false; | |
423 | } | |
424 | ||
425 | TString key; | |
426 | in >> key; | |
427 | while ( !in.eof() ) { | |
428 | if (key == TString("CH")) | |
429 | key = ReadData1(in); | |
430 | else if (key == TString("DE")) | |
431 | key = ReadData2(in); | |
432 | else { | |
433 | AliFatal(Form("%s key not recognized", key.Data())); | |
434 | return false; | |
435 | } | |
436 | } | |
437 | ||
438 | return true; | |
439 | } | |
440 | ||
441 | //______________________________________________________________________________ | |
442 | Bool_t | |
443 | AliMUONGeometryTransformer::WriteTransformations(const TString& fileName) const | |
444 | { | |
445 | // Writes transformations into a file | |
446 | // Returns true, if writing finished correctly. | |
447 | // --- | |
448 | ||
449 | // No writing | |
450 | // if builder is not associated with any geometry module | |
451 | if (fModuleTransformers->GetEntriesFast() == 0) return false; | |
452 | ||
453 | // File path | |
454 | TString filePath = gSystem->Getenv("ALICE_ROOT"); | |
455 | filePath += "/MUON/data/"; | |
456 | filePath += fileName; | |
457 | ||
458 | // Open input file | |
459 | ofstream out(filePath, ios::out); | |
460 | if (!out) { | |
461 | cerr << filePath << endl; | |
462 | AliError("File not found."); | |
463 | return false; | |
464 | } | |
465 | #if !defined (__DECCXX) | |
466 | out.setf(std::ios::fixed); | |
467 | #endif | |
468 | WriteData1(out); | |
469 | WriteData2(out); | |
470 | ||
471 | return true; | |
472 | } | |
473 | ||
474 | //_____________________________________________________________________________ | |
475 | void AliMUONGeometryTransformer::AddModuleTransformer( | |
476 | AliMUONGeometryModuleTransformer* moduleTransformer) | |
477 | { | |
478 | /// Add the geometrymodule to the array | |
479 | ||
480 | fModuleTransformers->AddAt(moduleTransformer, | |
481 | moduleTransformer->GetModuleId()); | |
482 | } | |
483 | ||
484 | //_____________________________________________________________________________ | |
485 | void AliMUONGeometryTransformer::Global2Local(Int_t detElemId, | |
486 | Float_t xg, Float_t yg, Float_t zg, | |
487 | Float_t& xl, Float_t& yl, Float_t& zl) const | |
488 | { | |
489 | /// Transform point from the global reference frame (ALIC) | |
490 | /// to the local reference frame of the detection element specified | |
491 | /// by detElemId. | |
492 | ||
493 | const AliMUONGeometryModuleTransformer* kTransformer | |
494 | = GetModuleTransformerByDEId(detElemId); | |
495 | ||
496 | if (kTransformer) | |
497 | kTransformer->Global2Local(detElemId, xg, yg, zg, xl, yl, zl); | |
498 | } | |
499 | ||
500 | //_____________________________________________________________________________ | |
501 | void AliMUONGeometryTransformer::Global2Local(Int_t detElemId, | |
502 | Double_t xg, Double_t yg, Double_t zg, | |
503 | Double_t& xl, Double_t& yl, Double_t& zl) const | |
504 | { | |
505 | /// Transform point from the global reference frame (ALIC) | |
506 | /// to the local reference frame of the detection element specified | |
507 | /// by detElemId. | |
508 | ||
509 | const AliMUONGeometryModuleTransformer* kTransformer | |
510 | = GetModuleTransformerByDEId(detElemId); | |
511 | ||
512 | if (kTransformer) | |
513 | kTransformer->Global2Local(detElemId, xg, yg, zg, xl, yl, zl); | |
514 | } | |
515 | ||
516 | //_____________________________________________________________________________ | |
517 | void AliMUONGeometryTransformer::Local2Global(Int_t detElemId, | |
518 | Float_t xl, Float_t yl, Float_t zl, | |
519 | Float_t& xg, Float_t& yg, Float_t& zg) const | |
520 | { | |
521 | /// Transform point from the local reference frame of the detection element | |
522 | /// specified by detElemId to the global reference frame (ALIC). | |
523 | ||
524 | const AliMUONGeometryModuleTransformer* kTransformer | |
525 | = GetModuleTransformerByDEId(detElemId); | |
526 | ||
527 | if (kTransformer) | |
528 | kTransformer->Local2Global(detElemId, xl, yl, zl, xg, yg, zg); | |
529 | } | |
530 | ||
531 | //_____________________________________________________________________________ | |
532 | void AliMUONGeometryTransformer::Local2Global(Int_t detElemId, | |
533 | Double_t xl, Double_t yl, Double_t zl, | |
534 | Double_t& xg, Double_t& yg, Double_t& zg) const | |
535 | { | |
536 | /// Transform point from the local reference frame of the detection element | |
537 | /// specified by detElemId to the global reference frame (ALIC). | |
538 | ||
539 | const AliMUONGeometryModuleTransformer* kTransformer | |
540 | = GetModuleTransformerByDEId(detElemId); | |
541 | ||
542 | if (kTransformer) | |
543 | kTransformer->Local2Global(detElemId, xl, yl, zl, xg, yg, zg); | |
544 | } | |
545 | ||
546 | //_____________________________________________________________________________ | |
547 | const AliMUONGeometryModuleTransformer* | |
548 | AliMUONGeometryTransformer::GetModuleTransformer(Int_t index, Bool_t warn) const | |
549 | { | |
550 | /// Return the geometry module specified by index | |
551 | ||
552 | return GetModuleTransformerNonConst(index, warn); | |
553 | } | |
554 | ||
555 | //_____________________________________________________________________________ | |
556 | const AliMUONGeometryModuleTransformer* | |
557 | AliMUONGeometryTransformer::GetModuleTransformerByDEId(Int_t detElemId, | |
558 | Bool_t warn) const | |
559 | { | |
560 | /// Return the geometry module specified by index | |
561 | ||
562 | // Get module index | |
e5df8ea1 | 563 | Int_t index = AliMUONGeometryStore::GetModuleId(detElemId); |
afc8e661 | 564 | |
565 | return GetModuleTransformer(index, warn); | |
566 | } | |
317aa7dc | 567 | |
568 | //_____________________________________________________________________________ | |
569 | Bool_t AliMUONGeometryTransformer::HasDE(Int_t detElemId) const | |
570 | { | |
571 | /// Return true if detection element with given detElemId is defined | |
572 | ||
573 | const AliMUONGeometryModuleTransformer* kTransformer | |
574 | = GetModuleTransformerByDEId(detElemId, false); | |
575 | ||
576 | if (!kTransformer) return false; | |
577 | ||
578 | return ( kTransformer->GetDetElement(detElemId, false) != 0 ); | |
579 | } | |
580 | ||
581 |