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1df4a03e | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
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 purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | // $Id$ | |
17 | ||
3d1463c8 | 18 | //----------------------------------------------------------------------------- |
1df4a03e | 19 | /// \class AliMUONMCDataInterface |
20 | /// | |
21 | /// Easy to use MC data accessor | |
22 | /// | |
23 | /// \author Laurent Aphecetche, Subatech | |
e8636ba0 | 24 | /// |
25 | // Moved parts of old AliMUONDataInterface interface to AliMUONMCDataInterface | |
26 | // Artur Szostak <artursz@iafrica.com> (University of Cape Town) | |
3d1463c8 | 27 | //----------------------------------------------------------------------------- |
1df4a03e | 28 | |
29 | #include "AliMUONMCDataInterface.h" | |
e9bef706 | 30 | #include "AliMUONVDigitStore.h" |
31 | #include "AliMUONVHitStore.h" | |
e9bef706 | 32 | #include "AliMUONVTriggerStore.h" |
e8636ba0 | 33 | #include "AliMUONHit.h" |
34 | #include "AliMUONVDigit.h" | |
35 | #include "AliMUONLocalTrigger.h" | |
36 | #include "AliMUONRegionalTrigger.h" | |
37 | #include "AliMUONGlobalTrigger.h" | |
38 | ||
39 | #include "AliMpIntPair.h" | |
40 | #include "AliMpDEManager.h" | |
41 | #include "AliMpConstants.h" | |
a55f49a0 | 42 | #include "AliMpCDB.h" |
1df4a03e | 43 | |
44 | #include "AliLog.h" | |
1df4a03e | 45 | #include "AliRunLoader.h" |
46 | #include "AliStack.h" | |
e9bef706 | 47 | |
1df4a03e | 48 | #include <Riostream.h> |
49 | #include <TClonesArray.h> | |
e9bef706 | 50 | #include <TList.h> |
1df4a03e | 51 | #include <TParticle.h> |
e8636ba0 | 52 | #include <TIterator.h> |
53 | #include <cstdlib> | |
54 | #include <cassert> | |
1df4a03e | 55 | |
56 | /// \cond CLASSIMP | |
57 | ClassImp(AliMUONMCDataInterface) | |
58 | /// \endcond | |
59 | ||
e9bef706 | 60 | Int_t AliMUONMCDataInterface::fgInstanceCounter(0); |
61 | ||
1df4a03e | 62 | //_____________________________________________________________________________ |
63 | AliMUONMCDataInterface::AliMUONMCDataInterface(const char* filename) : | |
64 | TObject(), | |
e9bef706 | 65 | fLoader(0x0), |
66 | fHitStore(0x0), | |
67 | fSDigitStore(0x0), | |
68 | fDigitStore(0x0), | |
69 | fTriggerStore(0x0), | |
70 | fTrackRefs(0x0), | |
71 | fCurrentEvent(-1), | |
e8636ba0 | 72 | fIsValid(kFALSE), |
73 | fCurrentIteratorType(kNoIterator), | |
74 | fCurrentIndex(-1), | |
75 | fDataX(-1), | |
76 | fDataY(-1), | |
77 | fIterator(0x0) | |
1df4a03e | 78 | { |
79 | /// ctor | |
e9bef706 | 80 | |
81 | ++fgInstanceCounter; | |
82 | ||
83 | Open(filename); | |
a55f49a0 | 84 | |
85 | // Load mapping | |
86 | if ( ! AliMpCDB::LoadMpSegmentation() ) { | |
87 | AliFatal("Could not access mapping from OCDB !"); | |
88 | } | |
1df4a03e | 89 | } |
90 | ||
91 | //_____________________________________________________________________________ | |
92 | AliMUONMCDataInterface::~AliMUONMCDataInterface() | |
93 | { | |
94 | /// dtor | |
e9bef706 | 95 | if ( fLoader ) |
96 | { | |
97 | delete fLoader->GetRunLoader(); | |
98 | } | |
99 | --fgInstanceCounter; | |
100 | } | |
101 | ||
e8636ba0 | 102 | //_____________________________________________________________________________ |
103 | AliMUONVHitStore* | |
104 | AliMUONMCDataInterface::HitStore(Int_t event, Int_t track) | |
105 | { | |
106 | /// Return the hitStore for a given track of one event | |
107 | /// Return 0x0 if event and/or track not found | |
108 | /// Returned pointer should not be deleted | |
109 | ||
110 | if (not IsValid()) return 0x0; | |
111 | if (event == fCurrentEvent | |
112 | and fDataX == track // using fDataX as track number. | |
113 | and fHitStore != 0x0 | |
114 | ) | |
115 | return fHitStore; | |
116 | ||
117 | ResetStores(); | |
118 | if (not LoadEvent(event)) return 0x0; | |
119 | ||
120 | fLoader->LoadHits(); | |
121 | ||
122 | TTree* treeH = fLoader->TreeH(); | |
123 | if (treeH == 0x0) | |
124 | { | |
125 | AliError("Could not get treeH"); | |
126 | return 0x0; | |
127 | } | |
128 | ||
129 | fHitStore = AliMUONVHitStore::Create(*treeH); | |
130 | AliDebug(1,"Creating hitStore from treeH"); | |
131 | if ( fHitStore != 0x0 ) | |
132 | { | |
133 | fHitStore->Connect(*treeH); | |
134 | if ( treeH->GetEvent(track) == 0 ) | |
135 | { | |
136 | AliError(Form("Could not read track %d",track)); | |
137 | fHitStore->Clear(); | |
138 | return 0x0; | |
139 | } | |
140 | fDataX = track; // using fDataX as track number. | |
141 | } | |
142 | ||
143 | fLoader->UnloadHits(); | |
144 | ||
145 | return fHitStore; | |
146 | } | |
147 | ||
148 | //_____________________________________________________________________________ | |
149 | AliMUONVDigitStore* | |
150 | AliMUONMCDataInterface::SDigitStore(Int_t event) | |
151 | { | |
152 | /// Return the SDigit store for a given event. | |
153 | /// Return 0 if event not found | |
154 | /// Returned pointer should not be deleted | |
155 | ||
156 | if (not IsValid()) return 0x0; | |
157 | if (event == fCurrentEvent and fSDigitStore != 0x0) return fSDigitStore; | |
158 | ||
159 | ResetStores(); | |
160 | if (not LoadEvent(event)) return 0x0; | |
161 | ||
162 | fLoader->LoadSDigits(); | |
163 | ||
164 | TTree* treeS = fLoader->TreeS(); | |
165 | if (treeS == 0x0) | |
166 | { | |
167 | AliError("Could not get treeS"); | |
168 | return 0x0; | |
169 | } | |
170 | ||
171 | fSDigitStore = AliMUONVDigitStore::Create(*treeS); | |
172 | if ( fSDigitStore != 0x0 ) | |
173 | { | |
174 | fSDigitStore->Clear(); | |
175 | fSDigitStore->Connect(*treeS); | |
176 | treeS->GetEvent(0); | |
177 | } | |
178 | ||
179 | fLoader->UnloadSDigits(); | |
180 | ||
181 | return fSDigitStore; | |
182 | } | |
183 | ||
e9bef706 | 184 | //_____________________________________________________________________________ |
185 | AliMUONVDigitStore* | |
186 | AliMUONMCDataInterface::DigitStore(Int_t event) | |
187 | { | |
188 | /// Return a pointer to the digitStore for a given event (or 0 if not found) | |
189 | /// Returned pointer should not be deleted | |
190 | ||
e8636ba0 | 191 | if (not IsValid()) return 0x0; |
192 | if (event == fCurrentEvent and fDigitStore != 0x0) return fDigitStore; | |
193 | ||
194 | ResetStores(); | |
195 | if (not LoadEvent(event)) return 0x0; | |
e9bef706 | 196 | |
197 | fLoader->LoadDigits(); | |
198 | ||
199 | TTree* treeD = fLoader->TreeD(); | |
e8636ba0 | 200 | if (treeD == 0x0) |
e9bef706 | 201 | { |
202 | AliError("Could not get treeD"); | |
203 | return 0x0; | |
204 | } | |
205 | ||
e8636ba0 | 206 | fDigitStore = AliMUONVDigitStore::Create(*treeD); |
207 | if ( fDigitStore != 0x0 ) | |
e9bef706 | 208 | { |
209 | fDigitStore->Clear(); | |
210 | fDigitStore->Connect(*treeD); | |
211 | treeD->GetEvent(0); | |
212 | } | |
213 | ||
214 | fLoader->UnloadDigits(); | |
215 | ||
216 | return fDigitStore; | |
217 | } | |
218 | ||
e8636ba0 | 219 | //_____________________________________________________________________________ |
220 | AliStack* | |
221 | AliMUONMCDataInterface::Stack(Int_t event) | |
222 | { | |
223 | /// Get the Stack (list of generated particles) for one event | |
224 | /// Returned pointer should not be deleted | |
225 | ||
226 | if ( not IsValid() ) return 0x0; | |
227 | ||
228 | if (event != fCurrentEvent) | |
229 | { | |
230 | ResetStores(); | |
231 | if ( not LoadEvent(event) ) return 0x0; | |
232 | } | |
233 | ||
234 | fLoader->GetRunLoader()->LoadKinematics(); | |
235 | ||
236 | return fLoader->GetRunLoader()->Stack(); | |
237 | } | |
238 | ||
239 | //_____________________________________________________________________________ | |
240 | TClonesArray* | |
241 | AliMUONMCDataInterface::TrackRefs(Int_t event, Int_t track) | |
242 | { | |
243 | /// Get the track references for a given (generated) track of one event | |
244 | /// Returned pointer should not be deleted | |
245 | ||
246 | if ( not IsValid() ) return 0x0; | |
247 | ||
248 | if (event != fCurrentEvent) | |
249 | { | |
250 | ResetStores(); | |
251 | if ( not LoadEvent(event) ) return 0x0; | |
252 | } | |
253 | ||
254 | if (track == fDataX) // using fDataX as track number. | |
255 | return fTrackRefs; | |
256 | ||
257 | fLoader->GetRunLoader()->LoadTrackRefs(); | |
258 | ||
259 | TTree* treeTR = fLoader->GetRunLoader()->TreeTR(); | |
260 | ||
261 | if ( fTrackRefs != 0x0 ) fTrackRefs->Clear("C"); | |
262 | ||
263 | if (treeTR != 0x0) | |
264 | { | |
265 | if ( treeTR->GetEvent(track) > 0 ) | |
266 | { | |
91469ad4 | 267 | TBranch* branch = treeTR->GetBranch("TrackReferences"); |
e8636ba0 | 268 | branch->SetAddress(&fTrackRefs); |
269 | branch->GetEvent(track); | |
270 | fDataX = track; // using fDataX as track number. | |
271 | } | |
272 | } | |
273 | else | |
274 | { | |
275 | AliError("Could not get TreeTR"); | |
276 | } | |
277 | ||
278 | fLoader->GetRunLoader()->UnloadTrackRefs(); | |
279 | ||
280 | return fTrackRefs; | |
281 | } | |
282 | ||
283 | //_____________________________________________________________________________ | |
284 | AliMUONVTriggerStore* | |
285 | AliMUONMCDataInterface::TriggerStore(Int_t event) | |
286 | { | |
287 | /// Return the triggerStore for a given event. | |
288 | /// Return 0x0 if event not found. | |
289 | /// Returned pointer should not be deleted. | |
290 | ||
291 | if (not IsValid()) return 0x0; | |
292 | if (event == fCurrentEvent and fTriggerStore != 0x0) return fTriggerStore; | |
293 | ||
294 | ResetStores(); | |
295 | if (not LoadEvent(event)) return 0x0; | |
296 | ||
297 | fLoader->LoadDigits(); | |
298 | ||
299 | TTree* treeD = fLoader->TreeD(); | |
300 | if ( treeD == 0x0 ) | |
301 | { | |
302 | AliError("Could not get treeD"); | |
303 | return 0x0; | |
304 | } | |
305 | ||
306 | fTriggerStore = AliMUONVTriggerStore::Create(*treeD); | |
307 | if ( fTriggerStore != 0x0 ) | |
308 | { | |
309 | fTriggerStore->Clear(); | |
310 | fTriggerStore->Connect(*treeD); | |
311 | treeD->GetEvent(0); | |
312 | } | |
313 | ||
314 | fLoader->UnloadDigits(); | |
315 | ||
316 | return fTriggerStore; | |
317 | } | |
318 | ||
e9bef706 | 319 | //_____________________________________________________________________________ |
320 | void | |
321 | AliMUONMCDataInterface::DumpDigits(Int_t event, Bool_t sorted) | |
322 | { | |
323 | /// Dump the digits for a given event, sorted if requested. | |
324 | DigitStore(event); | |
325 | ||
e8636ba0 | 326 | if ( fDigitStore != 0x0 ) |
e9bef706 | 327 | { |
328 | if ( sorted ) | |
329 | { | |
330 | DumpSorted(*fDigitStore); | |
331 | } | |
332 | else | |
333 | { | |
334 | fDigitStore->Print(); | |
335 | } | |
336 | } | |
1df4a03e | 337 | } |
338 | ||
339 | //_____________________________________________________________________________ | |
340 | void | |
e9bef706 | 341 | AliMUONMCDataInterface::DumpHits(Int_t event) |
1df4a03e | 342 | { |
343 | /// Dump all the hits for one event | |
344 | ||
345 | Int_t ntracks = NumberOfTracks(event); | |
346 | ||
347 | for ( Int_t i = 0; i < ntracks; ++i ) | |
348 | { | |
349 | cout << ">> Track " << i << endl; | |
e9bef706 | 350 | HitStore(event,i); |
351 | if ( fHitStore ) | |
352 | { | |
353 | fHitStore->Print("","full"); | |
354 | } | |
1df4a03e | 355 | } |
356 | } | |
357 | ||
358 | //_____________________________________________________________________________ | |
359 | void | |
e9bef706 | 360 | AliMUONMCDataInterface::DumpKine(Int_t event) |
1df4a03e | 361 | { |
362 | /// Dump all generated particles for one event | |
363 | AliStack* stack = Stack(event); | |
364 | ||
e8636ba0 | 365 | if ( stack != 0x0 ) |
1df4a03e | 366 | { |
367 | Int_t nparticles = (Int_t) stack->GetNtrack(); | |
368 | ||
369 | for (Int_t iparticle=0; iparticle<nparticles; ++iparticle) | |
370 | { | |
371 | stack->Particle(iparticle)->Print(""); | |
372 | } | |
373 | } | |
374 | else | |
375 | { | |
376 | AliError("Could not get stack"); | |
377 | } | |
378 | } | |
379 | ||
380 | //_____________________________________________________________________________ | |
381 | void | |
e9bef706 | 382 | AliMUONMCDataInterface::DumpSDigits(Int_t event, Bool_t sorted) |
383 | { | |
384 | /// Dump the SDigits for a given event, sorted if requested | |
385 | SDigitStore(event); | |
386 | ||
e8636ba0 | 387 | if ( fSDigitStore != 0x0 ) |
e9bef706 | 388 | { |
389 | if ( sorted ) | |
390 | { | |
391 | DumpSorted(*fSDigitStore); | |
392 | } | |
393 | else | |
394 | { | |
395 | fSDigitStore->Print(); | |
396 | } | |
397 | } | |
398 | } | |
399 | ||
400 | //_____________________________________________________________________________ | |
401 | void | |
402 | AliMUONMCDataInterface::DumpSorted(const AliMUONVStore& store) const | |
403 | { | |
404 | /// Dump the given store in sorted order | |
405 | ||
406 | TIter next(store.CreateIterator()); | |
407 | TObject* object; | |
408 | TList list; | |
409 | list.SetOwner(kFALSE); | |
410 | ||
411 | while ( ( object = next() ) ) | |
412 | { | |
413 | list.Add(object); | |
414 | } | |
415 | ||
416 | list.Sort(); | |
417 | ||
418 | list.Print(); | |
419 | } | |
420 | ||
421 | //_____________________________________________________________________________ | |
422 | void | |
423 | AliMUONMCDataInterface::DumpTrackRefs(Int_t event) | |
1df4a03e | 424 | { |
425 | /// Dump track references for one event | |
426 | Int_t ntrackrefs = NumberOfTrackRefs(event); | |
427 | ||
428 | for ( Int_t i = 0; i < ntrackrefs; ++i ) | |
429 | { | |
e9bef706 | 430 | TrackRefs(event,i); |
e8636ba0 | 431 | if ( fTrackRefs != 0x0 ) |
e9bef706 | 432 | { |
433 | fTrackRefs->Print("","*"); | |
434 | } | |
435 | } | |
436 | } | |
437 | ||
438 | //_____________________________________________________________________________ | |
439 | void | |
440 | AliMUONMCDataInterface::DumpTrigger(Int_t event) | |
441 | { | |
442 | /// Dump trigger for a given event (trigger is read from TreeD) | |
443 | ||
444 | TriggerStore(event); | |
445 | ||
e8636ba0 | 446 | if ( fTriggerStore != 0x0 ) |
e9bef706 | 447 | { |
448 | fTriggerStore->Print(); | |
1df4a03e | 449 | } |
450 | } | |
451 | ||
1df4a03e | 452 | //_____________________________________________________________________________ |
453 | Bool_t | |
e9bef706 | 454 | AliMUONMCDataInterface::LoadEvent(Int_t event) |
455 | { | |
456 | /// Load event if different from the current one. | |
e8636ba0 | 457 | /// Returns kFALSE on error and kTRUE if the event was loaded. |
458 | ||
459 | assert( IsValid() ); | |
460 | ||
461 | AliDebug(1,Form("Loading event %d using runLoader %p",event,fLoader->GetRunLoader())); | |
462 | if (fLoader->GetRunLoader()->GetEvent(event) == 0) | |
e9bef706 | 463 | { |
464 | fCurrentEvent = event; | |
e8636ba0 | 465 | return kTRUE; |
e9bef706 | 466 | } |
e8636ba0 | 467 | else |
468 | return kFALSE; | |
1df4a03e | 469 | } |
470 | ||
e9bef706 | 471 | |
1df4a03e | 472 | //_____________________________________________________________________________ |
473 | Int_t | |
474 | AliMUONMCDataInterface::NumberOfEvents() const | |
475 | { | |
476 | /// Number of events in the file we're connected to | |
e8636ba0 | 477 | if (not IsValid()) return -1; |
e9bef706 | 478 | return fLoader->GetRunLoader()->GetNumberOfEvents(); |
1df4a03e | 479 | } |
480 | ||
481 | //_____________________________________________________________________________ | |
482 | Int_t | |
e9bef706 | 483 | AliMUONMCDataInterface::NumberOfTracks(Int_t event) |
1df4a03e | 484 | { |
485 | /// Number of tracks in the event | |
e8636ba0 | 486 | if ( not IsValid()) return -1; |
1df4a03e | 487 | |
e8636ba0 | 488 | if (event != fCurrentEvent) |
489 | { | |
490 | ResetStores(); | |
491 | if ( not LoadEvent(event) ) return -1; | |
492 | } | |
e9bef706 | 493 | |
494 | fLoader->LoadHits(); | |
1df4a03e | 495 | |
e8636ba0 | 496 | Int_t rv(-1); |
1df4a03e | 497 | |
e9bef706 | 498 | TTree* treeH = fLoader->TreeH(); |
e8636ba0 | 499 | if (treeH != 0x0) |
1df4a03e | 500 | { |
e9bef706 | 501 | rv = static_cast<Int_t>(treeH->GetEntries()); |
1df4a03e | 502 | } |
503 | else | |
504 | { | |
505 | AliError("Could not get TreeH"); | |
506 | } | |
507 | ||
e9bef706 | 508 | fLoader->UnloadHits(); |
1df4a03e | 509 | |
510 | return rv; | |
511 | } | |
512 | ||
513 | //_____________________________________________________________________________ | |
514 | Int_t | |
e9bef706 | 515 | AliMUONMCDataInterface::NumberOfTrackRefs(Int_t event) |
1df4a03e | 516 | { |
517 | /// Number of track references in the event | |
e8636ba0 | 518 | if ( not IsValid()) return -1; |
1df4a03e | 519 | |
e8636ba0 | 520 | if (event != fCurrentEvent) |
521 | { | |
522 | ResetStores(); | |
523 | if ( not LoadEvent(event) ) return -1; | |
524 | } | |
e9bef706 | 525 | |
526 | fLoader->GetRunLoader()->LoadTrackRefs(); | |
1df4a03e | 527 | |
e8636ba0 | 528 | Int_t rv(-1); |
1df4a03e | 529 | |
e9bef706 | 530 | TTree* treeTR = fLoader->GetRunLoader()->TreeTR(); |
e8636ba0 | 531 | if (treeTR != 0x0) |
1df4a03e | 532 | { |
e9bef706 | 533 | rv = static_cast<Int_t>(treeTR->GetEntries()); |
1df4a03e | 534 | } |
535 | else | |
536 | { | |
537 | AliError("Could not get TreeTR"); | |
538 | } | |
539 | ||
e9bef706 | 540 | fLoader->GetRunLoader()->UnloadTrackRefs(); |
1df4a03e | 541 | |
542 | return rv; | |
543 | } | |
544 | ||
e9bef706 | 545 | //_____________________________________________________________________________ |
546 | void | |
547 | AliMUONMCDataInterface::Open(const char* filename) | |
548 | { | |
549 | /// Connect to a given galice.root file | |
550 | ||
e8636ba0 | 551 | ResetStores(); |
e9bef706 | 552 | |
553 | fCurrentEvent=-1; | |
554 | ||
e8636ba0 | 555 | if ( fLoader != 0x0 ) |
e9bef706 | 556 | { |
557 | delete fLoader->GetRunLoader(); | |
558 | } | |
559 | ||
560 | fLoader = 0x0; | |
561 | ||
562 | fIsValid = kTRUE; | |
563 | ||
564 | TString foldername(Form("%s-%d",ClassName(),fgInstanceCounter)); | |
565 | ||
566 | while (AliRunLoader::GetRunLoader(foldername)) | |
567 | { | |
568 | delete AliRunLoader::GetRunLoader(foldername); | |
569 | } | |
570 | ||
571 | AliRunLoader* runLoader = AliRunLoader::Open(filename,foldername); | |
e8636ba0 | 572 | if (runLoader == 0x0) |
e9bef706 | 573 | { |
574 | AliError(Form("Cannot open file %s",filename)); | |
575 | fIsValid = kFALSE; | |
576 | } | |
577 | fLoader = runLoader->GetDetectorLoader("MUON"); | |
e8636ba0 | 578 | if (fLoader == 0x0) |
e9bef706 | 579 | { |
580 | AliError("Cannot get AliMUONLoader"); | |
581 | fIsValid = kFALSE; | |
582 | } | |
583 | ||
e8636ba0 | 584 | if (not IsValid()) |
e9bef706 | 585 | { |
586 | AliError(Form("Could not access %s filename. Object is unuseable",filename)); | |
587 | } | |
588 | } | |
589 | ||
590 | //_____________________________________________________________________________ | |
e8636ba0 | 591 | Bool_t AliMUONMCDataInterface::GetEvent(Int_t event) |
e9bef706 | 592 | { |
e8636ba0 | 593 | /// Loads all simulated data for the given event. |
594 | ||
595 | if (HitStore(event, 0) == 0x0) return kFALSE; | |
596 | if (SDigitStore(event) == 0x0) return kFALSE; | |
597 | if (DigitStore(event) == 0x0) return kFALSE; | |
598 | if (TriggerStore(event) == 0x0) return kFALSE; | |
599 | if (TrackRefs(event, 0) == 0x0) return kFALSE; | |
600 | return kTRUE; | |
601 | } | |
602 | ||
603 | //_____________________________________________________________________________ | |
604 | Int_t AliMUONMCDataInterface::NumberOfParticles() | |
605 | { | |
606 | /// Returns the total number of particles in the kinematics tree. | |
607 | ||
608 | AliStack* stack = Stack(fCurrentEvent); | |
609 | if ( stack == 0x0 ) return -1; | |
610 | return (Int_t) stack->GetNtrack(); | |
611 | } | |
612 | ||
613 | //_____________________________________________________________________________ | |
614 | TParticle* AliMUONMCDataInterface::Particle(Int_t index) | |
615 | { | |
616 | /// Returns the index'th particle in the kinematics tree. | |
617 | /// @param index The index number of the particle in the range [0 ... N-1] | |
618 | /// where N = NumberOfParticles() | |
619 | ||
620 | AliStack* stack = Stack(fCurrentEvent); | |
621 | if ( stack == 0x0 ) return 0x0; | |
622 | return static_cast<TParticle*>( stack->Particle(index) ); | |
623 | } | |
624 | ||
625 | //_____________________________________________________________________________ | |
626 | Int_t AliMUONMCDataInterface::NumberOfTracks() | |
627 | { | |
628 | /// Returns the number of primary tracks (from primary particles) in the current event. | |
629 | ||
630 | return NumberOfTracks(fCurrentEvent); | |
631 | } | |
632 | ||
633 | //_____________________________________________________________________________ | |
634 | Int_t AliMUONMCDataInterface::NumberOfHits(Int_t track) | |
635 | { | |
636 | /// Returns the number of hits for a given primary track/particle. | |
637 | /// @param track The track number in the range [0 .. N-1] | |
638 | /// where N = NumberOfTracks() | |
639 | ||
640 | TIterator* iter = GetIterator(kHitIterator, track); | |
641 | return CountObjects(iter); | |
642 | } | |
643 | ||
644 | //_____________________________________________________________________________ | |
645 | AliMUONHit* | |
646 | AliMUONMCDataInterface::Hit(Int_t track, Int_t index) | |
647 | { | |
648 | /// Returns a pointer to the index'th hit object. | |
649 | /// @param track The track number in the range [0 .. N-1] | |
650 | /// where N = NumberOfTracks() | |
651 | /// @param index The index number of the hit in the range [0 ... M-1] | |
652 | /// where M = NumberOfHits(track) | |
653 | ||
654 | TIterator* iter = GetIterator(kHitIterator, track); | |
655 | return static_cast<AliMUONHit*>( FetchObject(iter, index) ); | |
656 | } | |
657 | ||
658 | //_____________________________________________________________________________ | |
659 | Int_t AliMUONMCDataInterface::NumberOfSDigits(Int_t detElemId) | |
660 | { | |
661 | /// Returns the number of summable digits to be found on a given detector element. | |
662 | /// @param detElemId The detector element ID number to search on. | |
663 | ||
664 | TIterator* iter = GetIterator(kSDigitIteratorByDetectorElement, detElemId); | |
665 | return CountObjects(iter); | |
666 | } | |
667 | ||
668 | //_____________________________________________________________________________ | |
669 | AliMUONVDigit* AliMUONMCDataInterface::SDigit(Int_t detElemId, Int_t index) | |
670 | { | |
671 | /// Returns the a pointer to the index'th summable digit on the specified detector element. | |
672 | /// @param detElemId The detector element ID number to search on. | |
673 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
674 | /// where N = NumberOfDigits(detElemId) | |
675 | ||
676 | TIterator* iter = GetIterator(kSDigitIteratorByDetectorElement, detElemId); | |
677 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
678 | } | |
679 | ||
680 | //_____________________________________________________________________________ | |
681 | Int_t AliMUONMCDataInterface::NumberOfSDigits(Int_t chamber, Int_t cathode) | |
682 | { | |
683 | /// Returns the number of summable digits to be found on a specific chamber and cathode. | |
684 | /// @param chamber The chamber number in the range [0 .. 13]. | |
685 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
686 | /// 1 is the non-bending plane. | |
687 | ||
688 | TIterator* iter = GetIterator(kSDigitIteratorByChamberAndCathode, chamber, cathode); | |
689 | return CountObjects(iter); | |
690 | } | |
691 | ||
692 | //_____________________________________________________________________________ | |
693 | AliMUONVDigit* AliMUONMCDataInterface::SDigit(Int_t chamber, Int_t cathode, Int_t index) | |
694 | { | |
695 | /// Returns the a pointer to the index'th summable digit on the specified chamber and cathode. | |
696 | /// @param chamber The chamber number in the range [0 .. 13]. | |
697 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
698 | /// 1 is the non-bending plane. | |
699 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
700 | /// where N = NumberOfDigits(chamber, cathode) | |
701 | ||
702 | TIterator* iter = GetIterator(kSDigitIteratorByChamberAndCathode, chamber, cathode); | |
703 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
704 | } | |
705 | ||
706 | //_____________________________________________________________________________ | |
707 | Int_t AliMUONMCDataInterface::NumberOfDigits(Int_t detElemId) | |
708 | { | |
709 | /// Returns the number of simulated digits to be found on a given detector element. | |
710 | /// @param detElemId The detector element ID number to search on. | |
711 | ||
712 | TIterator* iter = GetIterator(kDigitIteratorByDetectorElement, detElemId); | |
713 | return CountObjects(iter); | |
714 | } | |
715 | ||
716 | //_____________________________________________________________________________ | |
717 | AliMUONVDigit* AliMUONMCDataInterface::Digit(Int_t detElemId, Int_t index) | |
718 | { | |
719 | /// Returns the a pointer to the index'th simulated digit on the specified detector element. | |
720 | /// @param detElemId The detector element ID number to search on. | |
721 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
722 | /// where N = NumberOfDigits(detElemId) | |
723 | ||
724 | TIterator* iter = GetIterator(kDigitIteratorByDetectorElement, detElemId); | |
725 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
726 | } | |
727 | ||
728 | //_____________________________________________________________________________ | |
729 | Int_t AliMUONMCDataInterface::NumberOfDigits(Int_t chamber, Int_t cathode) | |
730 | { | |
731 | /// Returns the number of simulated digits to be found on a specific chamber and cathode. | |
732 | /// @param chamber The chamber number in the range [0 .. 13]. | |
733 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
734 | /// 1 is the non-bending plane. | |
735 | ||
736 | TIterator* iter = GetIterator(kDigitIteratorByChamberAndCathode, chamber, cathode); | |
737 | return CountObjects(iter); | |
738 | } | |
739 | ||
740 | //_____________________________________________________________________________ | |
741 | AliMUONVDigit* AliMUONMCDataInterface::Digit(Int_t chamber, Int_t cathode, Int_t index) | |
742 | { | |
743 | /// Returns the a pointer to the index'th simulated digit on the specified chamber and cathode. | |
744 | /// @param chamber The chamber number in the range [0 .. 13]. | |
745 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
746 | /// 1 is the non-bending plane. | |
747 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
748 | /// where N = NumberOfDigits(chamber, cathode) | |
749 | ||
750 | TIterator* iter = GetIterator(kDigitIteratorByChamberAndCathode, chamber, cathode); | |
751 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
752 | } | |
753 | ||
754 | //_____________________________________________________________________________ | |
755 | Int_t AliMUONMCDataInterface::NumberOfLocalTriggers() | |
756 | { | |
757 | /// Returns the number of simulated local trigger objects. | |
758 | ||
759 | TIterator* iter = GetIterator(kLocalTriggerIterator); | |
760 | return CountObjects(iter); | |
761 | } | |
762 | ||
763 | //_____________________________________________________________________________ | |
764 | AliMUONLocalTrigger* AliMUONMCDataInterface::LocalTrigger(Int_t index) | |
765 | { | |
766 | /// Returns a pointer to the index'th simulated local trigger object. | |
767 | /// @param index The index number of the local trigger object to fetch in the range [0 .. N-1], | |
768 | /// where N = NumberOfLocalTriggers() | |
769 | ||
770 | TIterator* iter = GetIterator(kLocalTriggerIterator); | |
771 | return static_cast<AliMUONLocalTrigger*>( FetchObject(iter, index) ); | |
772 | } | |
773 | ||
774 | //_____________________________________________________________________________ | |
775 | Int_t AliMUONMCDataInterface::NumberOfRegionalTriggers() | |
776 | { | |
777 | /// Returns the number of simulated regional trigger objects. | |
778 | ||
779 | TIterator* iter = GetIterator(kRegionalTriggerIterator); | |
780 | return CountObjects(iter); | |
781 | } | |
782 | ||
783 | //_____________________________________________________________________________ | |
784 | AliMUONRegionalTrigger* AliMUONMCDataInterface::RegionalTrigger(Int_t index) | |
785 | { | |
786 | /// Returns a pointer to the index'th simulated regional trigger object. | |
787 | /// @param index The index number of the regional trigger object to fetch in the range [0 .. N-1], | |
788 | /// where N = NumberOfRegionalTriggers() | |
789 | ||
790 | TIterator* iter = GetIterator(kRegionalTriggerIterator); | |
791 | return static_cast<AliMUONRegionalTrigger*>( FetchObject(iter, index) ); | |
792 | } | |
793 | ||
794 | //_____________________________________________________________________________ | |
795 | AliMUONGlobalTrigger* AliMUONMCDataInterface::GlobalTrigger() | |
796 | { | |
797 | /// Returns a pointer to the simulated global trigger object for the event. | |
798 | ||
799 | AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent); | |
800 | if (store == 0x0) return 0x0; | |
801 | return store->Global(); | |
802 | } | |
803 | ||
804 | //_____________________________________________________________________________ | |
805 | Int_t AliMUONMCDataInterface::NumberOfTrackRefs() | |
806 | { | |
807 | /// Number of track references in the currently selected event. | |
808 | ||
809 | return NumberOfTrackRefs(fCurrentEvent); | |
810 | } | |
811 | ||
812 | //_____________________________________________________________________________ | |
813 | TClonesArray* AliMUONMCDataInterface::TrackRefs(Int_t track) | |
814 | { | |
815 | /// Returns the track references for a given track in the current event. | |
816 | /// @param track The track to returns track references for. In the range [0 .. N-1] | |
817 | /// where N = NumberOfTrackRefs() | |
818 | ||
819 | return TrackRefs(fCurrentEvent, track); | |
820 | } | |
821 | ||
822 | //_____________________________________________________________________________ | |
823 | void AliMUONMCDataInterface::ResetStores() | |
824 | { | |
825 | /// Deletes all the store objects that have been created and resets the pointers to 0x0. | |
826 | /// The temporary iterator object is automatically reset. See ResetIterator for more details. | |
827 | ||
828 | ResetIterator(); | |
829 | if (fHitStore != 0x0) | |
e9bef706 | 830 | { |
e8636ba0 | 831 | delete fHitStore; |
832 | fHitStore = 0x0; | |
e9bef706 | 833 | } |
e8636ba0 | 834 | if (fSDigitStore != 0x0) |
835 | { | |
836 | delete fSDigitStore; | |
837 | fSDigitStore = 0x0; | |
838 | } | |
839 | if (fDigitStore != 0x0) | |
840 | { | |
841 | delete fDigitStore; | |
842 | fDigitStore = 0x0; | |
843 | } | |
844 | if (fTrackRefs != 0x0) | |
e9bef706 | 845 | { |
e8636ba0 | 846 | delete fTrackRefs; |
847 | fTrackRefs = 0x0; | |
e9bef706 | 848 | } |
e8636ba0 | 849 | if (fTriggerStore != 0x0) |
850 | { | |
851 | delete fTriggerStore; | |
852 | fTriggerStore = 0x0; | |
853 | } | |
854 | } | |
855 | ||
856 | //_____________________________________________________________________________ | |
857 | TIterator* AliMUONMCDataInterface::GetIterator(IteratorType type, Int_t x, Int_t y) | |
858 | { | |
859 | /// Creates an appropriate iterator object and returns it. | |
860 | /// If the iterator has already been created then that one is returned otherwise | |
861 | /// a new object is created. | |
862 | /// Depending on the value of 'type' the semantics of parameters x and y can change. | |
863 | /// @param type The type of iterator to create. | |
864 | /// @param x This is the detector element ID if type equals kDigitIteratorByDetectorElement | |
865 | /// or kSDigitIteratorByDetectorElement. | |
866 | /// If type equals kDigitIteratorByChamberAndCathode or | |
867 | /// kSDigitIteratorByChamberAndCathode then this is the chamber number. | |
868 | /// For type == kHitIterator the parameter x is the track number. | |
869 | /// In all other cases this parameter is ignored. | |
870 | /// @param y If type equals kDigitIteratorByChamberAndCathode or | |
871 | /// kSDigitIteratorByChamberAndCathode then this parameter is the cathode | |
872 | /// number. In all other cases this parameter is ignored. | |
873 | ||
874 | if (type == fCurrentIteratorType and fDataX == x and fDataY == y) | |
875 | return fIterator; | |
e9bef706 | 876 | |
e8636ba0 | 877 | if (fCurrentEvent == -1) |
e9bef706 | 878 | { |
e8636ba0 | 879 | AliError("No event was selected. Try first using GetEvent()."); |
880 | return 0x0; | |
e9bef706 | 881 | } |
882 | ||
e8636ba0 | 883 | ResetIterator(); |
e9bef706 | 884 | |
e8636ba0 | 885 | switch (type) |
886 | { | |
887 | case kHitIterator: | |
888 | { | |
889 | Int_t track = x; | |
890 | AliMUONVHitStore* store = HitStore(fCurrentEvent, track); | |
891 | if (store == 0x0) return 0x0; | |
892 | fIterator = store->CreateIterator(); | |
893 | if (fIterator == 0x0) return 0x0; | |
894 | fCurrentIteratorType = kHitIterator; | |
895 | return fIterator; | |
896 | } | |
897 | ||
898 | case kSDigitIteratorByDetectorElement: | |
899 | { | |
900 | Int_t detElem = x; | |
901 | AliMUONVDigitStore* store = SDigitStore(fCurrentEvent); | |
902 | if (store == 0x0) return 0x0; | |
e8636ba0 | 903 | fIterator = store->CreateIterator(detElem, detElem, 2); |
904 | if (fIterator == 0x0) return 0x0; | |
905 | fCurrentIteratorType = kSDigitIteratorByDetectorElement; | |
906 | fDataX = detElem; | |
907 | return fIterator; | |
908 | } | |
909 | ||
910 | case kSDigitIteratorByChamberAndCathode: | |
911 | { | |
912 | Int_t chamber = x; | |
913 | Int_t cathode = y; | |
914 | if (chamber < 0 or AliMpConstants::NofChambers() <= chamber) | |
915 | { | |
916 | AliError(Form( | |
917 | "Must have give a chamber value in the range [0..%d], but got a value of: %d", | |
918 | AliMpConstants::NofChambers() - 1, | |
919 | chamber | |
920 | )); | |
921 | return 0x0; | |
922 | } | |
923 | if (cathode < 0 or 1 < cathode) | |
924 | { | |
925 | AliError(Form("Must have give a cathode value in the range [0..1], but got a value of: %d", cathode)); | |
926 | return 0x0; | |
927 | } | |
928 | ||
929 | AliMUONVDigitStore* store = SDigitStore(fCurrentEvent); | |
930 | if (store == 0x0) return 0x0; | |
e8636ba0 | 931 | AliMpIntPair pair = AliMpDEManager::GetDetElemIdRange(chamber); |
932 | fIterator = store->CreateIterator(pair.GetFirst(), pair.GetSecond(), cathode); | |
933 | if (fIterator == 0x0) return 0x0; | |
934 | fCurrentIteratorType = kSDigitIteratorByChamberAndCathode; | |
935 | fDataX = chamber; | |
936 | fDataY = cathode; | |
937 | return fIterator; | |
938 | } | |
939 | ||
940 | case kDigitIteratorByDetectorElement: | |
941 | { | |
942 | Int_t detElem = x; | |
943 | AliMUONVDigitStore* store = DigitStore(fCurrentEvent); | |
944 | if (store == 0x0) return 0x0; | |
e8636ba0 | 945 | fIterator = store->CreateIterator(detElem, detElem, 2); |
946 | if (fIterator == 0x0) return 0x0; | |
947 | fCurrentIteratorType = kDigitIteratorByDetectorElement; | |
948 | fDataX = detElem; | |
949 | return fIterator; | |
950 | } | |
951 | ||
952 | case kDigitIteratorByChamberAndCathode: | |
953 | { | |
954 | Int_t chamber = x; | |
955 | Int_t cathode = y; | |
956 | if (chamber < 0 or AliMpConstants::NofChambers() <= chamber) | |
957 | { | |
958 | AliError(Form( | |
959 | "Must have give a chamber value in the range [0..%d], but got a value of: %d", | |
960 | AliMpConstants::NofChambers() - 1, | |
961 | chamber | |
962 | )); | |
963 | return 0x0; | |
964 | } | |
965 | if (cathode < 0 or 1 < cathode) | |
966 | { | |
967 | AliError(Form("Must have give a cathode value in the range [0..1], but got a value of: %d", cathode)); | |
968 | return 0x0; | |
969 | } | |
970 | ||
971 | AliMUONVDigitStore* store = DigitStore(fCurrentEvent); | |
972 | if (store == 0x0) return 0x0; | |
e8636ba0 | 973 | AliMpIntPair pair = AliMpDEManager::GetDetElemIdRange(chamber); |
974 | fIterator = store->CreateIterator(pair.GetFirst(), pair.GetSecond(), cathode); | |
975 | if (fIterator == 0x0) return 0x0; | |
976 | fCurrentIteratorType = kDigitIteratorByChamberAndCathode; | |
977 | fDataX = chamber; | |
978 | fDataY = cathode; | |
979 | return fIterator; | |
980 | } | |
981 | ||
982 | case kLocalTriggerIterator: | |
983 | { | |
984 | AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent); | |
985 | if (store == 0x0) return 0x0; | |
986 | fIterator = store->CreateLocalIterator(); | |
987 | if (fIterator == 0x0) return 0x0; | |
988 | fCurrentIteratorType = kLocalTriggerIterator; | |
989 | return fIterator; | |
990 | } | |
991 | ||
992 | case kRegionalTriggerIterator: | |
993 | { | |
994 | AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent); | |
995 | if (store == 0x0) return 0x0; | |
996 | fIterator = store->CreateRegionalIterator(); | |
997 | if (fIterator == 0x0) return 0x0; | |
998 | fCurrentIteratorType = kRegionalTriggerIterator; | |
999 | return fIterator; | |
1000 | } | |
1001 | ||
1002 | default: | |
1003 | return 0x0; | |
1004 | } | |
e9bef706 | 1005 | } |
1006 | ||
1df4a03e | 1007 | //_____________________________________________________________________________ |
e8636ba0 | 1008 | void AliMUONMCDataInterface::ResetIterator() |
1df4a03e | 1009 | { |
e8636ba0 | 1010 | /// The temporary iterator object is deleted if it exists and the pointer reset to 0x0. |
1011 | /// The iterator type and temporary data indicating the state of the iterator are | |
1012 | /// also reset. | |
1df4a03e | 1013 | |
e8636ba0 | 1014 | if (fIterator != 0x0) delete fIterator; |
1015 | fCurrentIteratorType = kNoIterator; | |
1016 | fCurrentIndex = fDataX = fDataY = -1; | |
1017 | fIterator = 0x0; | |
1df4a03e | 1018 | } |
1019 | ||
1020 | //_____________________________________________________________________________ | |
e8636ba0 | 1021 | Int_t AliMUONMCDataInterface::CountObjects(TIterator* iter) |
1df4a03e | 1022 | { |
e8636ba0 | 1023 | /// Counts the number of objects in the iterator and resets it. |
1024 | /// @return The number of objects in 'iter'. | |
e9bef706 | 1025 | |
e8636ba0 | 1026 | if (iter == 0x0) return -1; |
1027 | Int_t count = 0; | |
1028 | iter->Reset(); | |
1029 | while ( iter->Next() != 0x0 ) count++; | |
1030 | iter->Reset(); | |
1031 | fCurrentIndex = -1; | |
1032 | return count; | |
e9bef706 | 1033 | } |
1034 | ||
1035 | //_____________________________________________________________________________ | |
e8636ba0 | 1036 | TObject* AliMUONMCDataInterface::FetchObject(TIterator* iter, Int_t index) |
e9bef706 | 1037 | { |
e8636ba0 | 1038 | /// Fetches the index'th object from the iterator counting the first object |
1039 | /// returned by iterator after it is reset as index == 0. The next object | |
1040 | /// has index == 1 and so on where the last object returned by the iterator | |
1041 | /// has index == N-1 where N = CountObjects(iter) | |
1042 | /// This method will only reset the iterator if index is smaller than | |
1043 | /// fCurrentIndex, which is used to track the iteration progress and is | |
1044 | /// updated when a new object if returned by this method. | |
1045 | /// @param iter The iterator to fetch an object from. | |
1046 | /// @param index The index number of the object to fetch in the range [0 .. N-1] | |
1047 | /// where N = CountObjects(iter) | |
1048 | ||
1049 | if (index < 0) | |
e9bef706 | 1050 | { |
e8636ba0 | 1051 | AliError(Form("Index is out of bounds. Got a value of %d.", index)); |
e9bef706 | 1052 | return 0x0; |
1053 | } | |
e8636ba0 | 1054 | |
1055 | if (iter == 0x0) return 0x0; | |
1056 | if (index <= fCurrentIndex) | |
e9bef706 | 1057 | { |
e8636ba0 | 1058 | iter->Reset(); |
1059 | fCurrentIndex = -1; | |
e9bef706 | 1060 | } |
1061 | ||
e8636ba0 | 1062 | TObject* object = 0x0; |
1063 | while (fCurrentIndex < index) | |
e9bef706 | 1064 | { |
e8636ba0 | 1065 | object = iter->Next(); |
1066 | if (object == 0x0) | |
1067 | { | |
1068 | AliError(Form("Index is out of bounds. Got a value of %d.", index)); | |
1069 | iter->Reset(); | |
1070 | fCurrentIndex = -1; | |
1071 | return 0x0; | |
1072 | } | |
1073 | fCurrentIndex++; | |
e9bef706 | 1074 | } |
e8636ba0 | 1075 | return object; |
1df4a03e | 1076 | } |