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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 | ||
18 | //----------------------------------------------------------------------------- | |
19 | /// \class AliMUONMCDataInterface | |
20 | /// | |
21 | /// Easy to use MC data accessor | |
22 | /// | |
23 | /// \author Laurent Aphecetche, Subatech | |
24 | /// | |
25 | // Moved parts of old AliMUONDataInterface interface to AliMUONMCDataInterface | |
26 | // Artur Szostak <artursz@iafrica.com> (University of Cape Town) | |
27 | //----------------------------------------------------------------------------- | |
28 | ||
29 | #include "AliMUONMCDataInterface.h" | |
30 | #include "AliMUONVDigitStore.h" | |
31 | #include "AliMUONVHitStore.h" | |
32 | #include "AliMUONVTriggerStore.h" | |
33 | #include "AliMUONHit.h" | |
34 | #include "AliMUONVDigit.h" | |
35 | #include "AliMUONLocalTrigger.h" | |
36 | #include "AliMUONRegionalTrigger.h" | |
37 | #include "AliMUONGlobalTrigger.h" | |
38 | ||
39 | #include "AliMpEncodePair.h" | |
40 | #include "AliMpDEManager.h" | |
41 | #include "AliMpConstants.h" | |
42 | #include "AliMpCDB.h" | |
43 | ||
44 | #include "AliLog.h" | |
45 | #include "AliLoader.h" | |
46 | #include "AliRunLoader.h" | |
47 | #include "AliHeader.h" | |
48 | #include "AliStack.h" | |
49 | #include "AliCDBManager.h" | |
50 | ||
51 | #include <TTree.h> | |
52 | #include <Riostream.h> | |
53 | #include <TClonesArray.h> | |
54 | #include <TList.h> | |
55 | #include <TParticle.h> | |
56 | #include <TIterator.h> | |
57 | #include <cstdlib> | |
58 | #include <cassert> | |
59 | ||
60 | /// \cond CLASSIMP | |
61 | ClassImp(AliMUONMCDataInterface) | |
62 | /// \endcond | |
63 | ||
64 | Int_t AliMUONMCDataInterface::fgInstanceCounter(0); | |
65 | ||
66 | //_____________________________________________________________________________ | |
67 | AliMUONMCDataInterface::AliMUONMCDataInterface(const char* filename) : | |
68 | TObject(), | |
69 | fLoader(0x0), | |
70 | fHitStore(0x0), | |
71 | fSDigitStore(0x0), | |
72 | fDigitStore(0x0), | |
73 | fTriggerStore(0x0), | |
74 | fTrackRefs(0x0), | |
75 | fCurrentEvent(-1), | |
76 | fIsValid(kFALSE), | |
77 | fCurrentIteratorType(kNoIterator), | |
78 | fCurrentIndex(-1), | |
79 | fDataX(-1), | |
80 | fDataY(-1), | |
81 | fIterator(0x0) | |
82 | { | |
83 | /// ctor | |
84 | ||
85 | ++fgInstanceCounter; | |
86 | ||
87 | if ( AliCDBManager::Instance() != NULL && | |
88 | AliCDBManager::Instance()->GetDefaultStorage() == NULL ) { | |
89 | AliFatal("CDB default storage not defined."); | |
90 | } | |
91 | ||
92 | Open(filename); | |
93 | ||
94 | // Load mapping | |
95 | if ( ! AliMpCDB::LoadMpSegmentation() ) { | |
96 | AliFatal("Could not access mapping from OCDB !"); | |
97 | } | |
98 | } | |
99 | ||
100 | //_____________________________________________________________________________ | |
101 | AliMUONMCDataInterface::~AliMUONMCDataInterface() | |
102 | { | |
103 | /// dtor | |
104 | if ( fLoader ) | |
105 | { | |
106 | delete fLoader->GetRunLoader(); | |
107 | } | |
108 | --fgInstanceCounter; | |
109 | } | |
110 | ||
111 | //_____________________________________________________________________________ | |
112 | AliMUONVHitStore* | |
113 | AliMUONMCDataInterface::HitStore(Int_t event, Int_t track) | |
114 | { | |
115 | /// Return the hitStore for a given track of one event | |
116 | /// Return 0x0 if event and/or track not found | |
117 | /// Returned pointer should not be deleted | |
118 | /// | |
119 | /// \note If a previous store has been retrieved by one of the methods of | |
120 | /// this class, but for a different event number, then those stores will | |
121 | /// be deleted and no longer valid. | |
122 | /// If you require access to the data for the earlier retrieved store, | |
123 | /// but for different events, then you should deep copy / clone the object. | |
124 | ||
125 | if (not IsValid()) return 0x0; | |
126 | ||
127 | if (event == fCurrentEvent) | |
128 | { | |
129 | if (track == fDataX and fHitStore != 0x0) // using fDataX as track number. | |
130 | return fHitStore; | |
131 | } | |
132 | else | |
133 | { | |
134 | ResetStores(); | |
135 | if ( not LoadEvent(event) ) return 0x0; | |
136 | } | |
137 | ||
138 | fLoader->LoadHits(); | |
139 | ||
140 | TTree* treeH = fLoader->TreeH(); | |
141 | if (treeH == 0x0) | |
142 | { | |
143 | AliError("Could not get treeH"); | |
144 | return 0x0; | |
145 | } | |
146 | ||
147 | fHitStore = AliMUONVHitStore::Create(*treeH); | |
148 | AliDebug(1,"Creating hitStore from treeH"); | |
149 | if ( fHitStore != 0x0 ) | |
150 | { | |
151 | fHitStore->Connect(*treeH); | |
152 | if ( treeH->GetEvent(track) == 0 ) | |
153 | { | |
154 | AliError(Form("Could not read track %d",track)); | |
155 | fHitStore->Clear(); | |
156 | return 0x0; | |
157 | } | |
158 | fDataX = track; // using fDataX as track number. | |
159 | } | |
160 | ||
161 | fLoader->UnloadHits(); | |
162 | ||
163 | return fHitStore; | |
164 | } | |
165 | ||
166 | //_____________________________________________________________________________ | |
167 | AliMUONVDigitStore* | |
168 | AliMUONMCDataInterface::SDigitStore(Int_t event) | |
169 | { | |
170 | /// Return the SDigit store for a given event. | |
171 | /// Return 0 if event not found | |
172 | /// Returned pointer should not be deleted | |
173 | /// | |
174 | /// \note If a previous store has been retrieved by one of the methods of | |
175 | /// this class, but for a different event number, then those stores will | |
176 | /// be deleted and no longer valid. | |
177 | /// If you require access to the data for the earlier retrieved store, | |
178 | /// but for different events, then you should deep copy / clone the object. | |
179 | ||
180 | if (not IsValid()) return 0x0; | |
181 | ||
182 | if (event == fCurrentEvent) | |
183 | { | |
184 | if (fSDigitStore != 0x0) | |
185 | return fSDigitStore; | |
186 | } | |
187 | else | |
188 | { | |
189 | ResetStores(); | |
190 | if ( not LoadEvent(event) ) return 0x0; | |
191 | } | |
192 | ||
193 | fLoader->LoadSDigits(); | |
194 | ||
195 | TTree* treeS = fLoader->TreeS(); | |
196 | if (treeS == 0x0) | |
197 | { | |
198 | AliError("Could not get treeS"); | |
199 | return 0x0; | |
200 | } | |
201 | ||
202 | fSDigitStore = AliMUONVDigitStore::Create(*treeS); | |
203 | if ( fSDigitStore != 0x0 ) | |
204 | { | |
205 | fSDigitStore->Clear(); | |
206 | fSDigitStore->Connect(*treeS); | |
207 | treeS->GetEvent(0); | |
208 | } | |
209 | ||
210 | fLoader->UnloadSDigits(); | |
211 | ||
212 | return fSDigitStore; | |
213 | } | |
214 | ||
215 | //_____________________________________________________________________________ | |
216 | AliMUONVDigitStore* | |
217 | AliMUONMCDataInterface::DigitStore(Int_t event) | |
218 | { | |
219 | /// Return a pointer to the digitStore for a given event (or 0 if not found) | |
220 | /// Returned pointer should not be deleted | |
221 | /// | |
222 | /// \note If a previous store has been retrieved by one of the methods of | |
223 | /// this class, but for a different event number, then those stores will | |
224 | /// be deleted and no longer valid. | |
225 | /// If you require access to the data for the earlier retrieved store, | |
226 | /// but for different events, then you should deep copy / clone the object. | |
227 | ||
228 | if (not IsValid()) return 0x0; | |
229 | ||
230 | if (event == fCurrentEvent) | |
231 | { | |
232 | if (fDigitStore != 0x0) | |
233 | return fDigitStore; | |
234 | } | |
235 | else | |
236 | { | |
237 | ResetStores(); | |
238 | if ( not LoadEvent(event) ) return 0x0; | |
239 | } | |
240 | ||
241 | fLoader->LoadDigits(); | |
242 | ||
243 | TTree* treeD = fLoader->TreeD(); | |
244 | if (treeD == 0x0) | |
245 | { | |
246 | AliError("Could not get treeD"); | |
247 | return 0x0; | |
248 | } | |
249 | ||
250 | fDigitStore = AliMUONVDigitStore::Create(*treeD); | |
251 | if ( fDigitStore != 0x0 ) | |
252 | { | |
253 | fDigitStore->Clear(); | |
254 | fDigitStore->Connect(*treeD); | |
255 | treeD->GetEvent(0); | |
256 | } | |
257 | ||
258 | fLoader->UnloadDigits(); | |
259 | ||
260 | return fDigitStore; | |
261 | } | |
262 | ||
263 | //_____________________________________________________________________________ | |
264 | AliStack* | |
265 | AliMUONMCDataInterface::Stack(Int_t event) | |
266 | { | |
267 | /// Get the Stack (list of generated particles) for one event | |
268 | /// Returned pointer should not be deleted | |
269 | /// | |
270 | /// \note If a previous store has been retrieved by one of the methods of | |
271 | /// this class, but for a different event number, then those stores will | |
272 | /// be deleted and no longer valid. | |
273 | /// If you require access to the data for the earlier retrieved store, | |
274 | /// but for different events, then you should deep copy / clone the object. | |
275 | ||
276 | if ( not IsValid() ) return 0x0; | |
277 | ||
278 | if (event != fCurrentEvent) | |
279 | { | |
280 | ResetStores(); | |
281 | if ( not LoadEvent(event) ) return 0x0; | |
282 | } | |
283 | ||
284 | fLoader->GetRunLoader()->LoadKinematics(); | |
285 | ||
286 | return fLoader->GetRunLoader()->Stack(); | |
287 | } | |
288 | ||
289 | //_____________________________________________________________________________ | |
290 | TClonesArray* | |
291 | AliMUONMCDataInterface::TrackRefs(Int_t event, Int_t track) | |
292 | { | |
293 | /// Get the track references for a given (generated) track of one event | |
294 | /// Returned pointer should not be deleted | |
295 | /// | |
296 | /// \note If a previous store has been retrieved by one of the methods of | |
297 | /// this class, but for a different event number, then those stores will | |
298 | /// be deleted and no longer valid. | |
299 | /// If you require access to the data for the earlier retrieved store, | |
300 | /// but for different events, then you should deep copy / clone the object. | |
301 | ||
302 | if ( not IsValid() ) return 0x0; | |
303 | ||
304 | if (event == fCurrentEvent) | |
305 | { | |
306 | if (track == fDataX and fTrackRefs != 0x0) // using fDataX as track number. | |
307 | return fTrackRefs; | |
308 | } | |
309 | else | |
310 | { | |
311 | ResetStores(); | |
312 | if ( not LoadEvent(event) ) return 0x0; | |
313 | } | |
314 | ||
315 | fLoader->GetRunLoader()->LoadTrackRefs(); | |
316 | ||
317 | TTree* treeTR = fLoader->GetRunLoader()->TreeTR(); | |
318 | ||
319 | if ( fTrackRefs != 0x0 ) fTrackRefs->Clear("C"); | |
320 | ||
321 | if (treeTR != 0x0) | |
322 | { | |
323 | if ( treeTR->GetEvent(track) > 0 ) | |
324 | { | |
325 | TBranch* branch = treeTR->GetBranch("TrackReferences"); | |
326 | branch->SetAddress(&fTrackRefs); | |
327 | branch->GetEvent(track); | |
328 | fDataX = track; // using fDataX as track number. | |
329 | } | |
330 | } | |
331 | else | |
332 | { | |
333 | AliError("Could not get TreeTR"); | |
334 | } | |
335 | ||
336 | fLoader->GetRunLoader()->UnloadTrackRefs(); | |
337 | ||
338 | return fTrackRefs; | |
339 | } | |
340 | ||
341 | //_____________________________________________________________________________ | |
342 | AliMUONVTriggerStore* | |
343 | AliMUONMCDataInterface::TriggerStore(Int_t event) | |
344 | { | |
345 | /// Return the triggerStore for a given event. | |
346 | /// Return 0x0 if event not found. | |
347 | /// Returned pointer should not be deleted. | |
348 | /// | |
349 | /// \note If a previous store has been retrieved by one of the methods of | |
350 | /// this class, but for a different event number, then those stores will | |
351 | /// be deleted and no longer valid. | |
352 | /// If you require access to the data for the earlier retrieved store, | |
353 | /// but for different events, then you should deep copy / clone the object. | |
354 | ||
355 | if (not IsValid()) return 0x0; | |
356 | ||
357 | if (event == fCurrentEvent) | |
358 | { | |
359 | if (fTriggerStore != 0x0) | |
360 | return fTriggerStore; | |
361 | } | |
362 | else | |
363 | { | |
364 | ResetStores(); | |
365 | if ( not LoadEvent(event) ) return 0x0; | |
366 | } | |
367 | ||
368 | fLoader->LoadDigits(); | |
369 | ||
370 | TTree* treeD = fLoader->TreeD(); | |
371 | if ( treeD == 0x0 ) | |
372 | { | |
373 | AliError("Could not get treeD"); | |
374 | return 0x0; | |
375 | } | |
376 | ||
377 | fTriggerStore = AliMUONVTriggerStore::Create(*treeD); | |
378 | if ( fTriggerStore != 0x0 ) | |
379 | { | |
380 | fTriggerStore->Clear(); | |
381 | fTriggerStore->Connect(*treeD); | |
382 | treeD->GetEvent(0); | |
383 | } | |
384 | ||
385 | fLoader->UnloadDigits(); | |
386 | ||
387 | return fTriggerStore; | |
388 | } | |
389 | ||
390 | //_____________________________________________________________________________ | |
391 | void | |
392 | AliMUONMCDataInterface::DumpDigits(Int_t event, Bool_t sorted) | |
393 | { | |
394 | /// Dump the digits for a given event, sorted if requested. | |
395 | DigitStore(event); | |
396 | ||
397 | if ( fDigitStore != 0x0 ) | |
398 | { | |
399 | if ( sorted ) | |
400 | { | |
401 | DumpSorted(*fDigitStore); | |
402 | } | |
403 | else | |
404 | { | |
405 | fDigitStore->Print(); | |
406 | } | |
407 | } | |
408 | } | |
409 | ||
410 | //_____________________________________________________________________________ | |
411 | void | |
412 | AliMUONMCDataInterface::DumpHits(Int_t event) | |
413 | { | |
414 | /// Dump all the hits for one event | |
415 | ||
416 | Int_t ntracks = NumberOfTracks(event); | |
417 | ||
418 | for ( Int_t i = 0; i < ntracks; ++i ) | |
419 | { | |
420 | cout << ">> Track " << i << endl; | |
421 | HitStore(event,i); | |
422 | if ( fHitStore ) | |
423 | { | |
424 | fHitStore->Print("","full"); | |
425 | } | |
426 | } | |
427 | } | |
428 | ||
429 | //_____________________________________________________________________________ | |
430 | void | |
431 | AliMUONMCDataInterface::DumpKine(Int_t event) | |
432 | { | |
433 | /// Dump all generated particles for one event | |
434 | AliStack* stack = Stack(event); | |
435 | ||
436 | if ( stack != 0x0 ) | |
437 | { | |
438 | Int_t nparticles = (Int_t) stack->GetNtrack(); | |
439 | ||
440 | for (Int_t iparticle=0; iparticle<nparticles; ++iparticle) | |
441 | { | |
442 | stack->Particle(iparticle)->Print(""); | |
443 | } | |
444 | } | |
445 | else | |
446 | { | |
447 | AliError("Could not get stack"); | |
448 | } | |
449 | } | |
450 | ||
451 | //_____________________________________________________________________________ | |
452 | void | |
453 | AliMUONMCDataInterface::DumpSDigits(Int_t event, Bool_t sorted) | |
454 | { | |
455 | /// Dump the SDigits for a given event, sorted if requested | |
456 | SDigitStore(event); | |
457 | ||
458 | if ( fSDigitStore != 0x0 ) | |
459 | { | |
460 | if ( sorted ) | |
461 | { | |
462 | DumpSorted(*fSDigitStore); | |
463 | } | |
464 | else | |
465 | { | |
466 | fSDigitStore->Print(); | |
467 | } | |
468 | } | |
469 | } | |
470 | ||
471 | //_____________________________________________________________________________ | |
472 | void | |
473 | AliMUONMCDataInterface::DumpSorted(const AliMUONVStore& store) const | |
474 | { | |
475 | /// Dump the given store in sorted order | |
476 | ||
477 | TIter next(store.CreateIterator()); | |
478 | TObject* object; | |
479 | TList list; | |
480 | list.SetOwner(kFALSE); | |
481 | ||
482 | while ( ( object = next() ) ) | |
483 | { | |
484 | list.Add(object); | |
485 | } | |
486 | ||
487 | list.Sort(); | |
488 | ||
489 | list.Print(); | |
490 | } | |
491 | ||
492 | //_____________________________________________________________________________ | |
493 | void | |
494 | AliMUONMCDataInterface::DumpTrackRefs(Int_t event) | |
495 | { | |
496 | /// Dump track references for one event | |
497 | Int_t ntrackrefs = NumberOfTrackRefs(event); | |
498 | ||
499 | for ( Int_t i = 0; i < ntrackrefs; ++i ) | |
500 | { | |
501 | TrackRefs(event,i); | |
502 | if ( fTrackRefs != 0x0 ) | |
503 | { | |
504 | fTrackRefs->Print("","*"); | |
505 | } | |
506 | } | |
507 | } | |
508 | ||
509 | //_____________________________________________________________________________ | |
510 | void | |
511 | AliMUONMCDataInterface::DumpTrigger(Int_t event) | |
512 | { | |
513 | /// Dump trigger for a given event (trigger is read from TreeD) | |
514 | ||
515 | TriggerStore(event); | |
516 | ||
517 | if ( fTriggerStore != 0x0 ) | |
518 | { | |
519 | fTriggerStore->Print(); | |
520 | } | |
521 | } | |
522 | ||
523 | //_____________________________________________________________________________ | |
524 | Bool_t | |
525 | AliMUONMCDataInterface::LoadEvent(Int_t event) | |
526 | { | |
527 | /// Load event if different from the current one. | |
528 | /// Returns kFALSE on error and kTRUE if the event was loaded. | |
529 | ||
530 | assert( IsValid() ); | |
531 | ||
532 | AliDebug(1,Form("Loading event %d using runLoader %p",event,fLoader->GetRunLoader())); | |
533 | if (fLoader->GetRunLoader()->GetEvent(event) == 0) | |
534 | { | |
535 | fCurrentEvent = event; | |
536 | return kTRUE; | |
537 | } | |
538 | else | |
539 | return kFALSE; | |
540 | } | |
541 | ||
542 | ||
543 | //_____________________________________________________________________________ | |
544 | Int_t | |
545 | AliMUONMCDataInterface::NumberOfEvents() const | |
546 | { | |
547 | /// Number of events in the file we're connected to | |
548 | if (not IsValid()) return -1; | |
549 | return fLoader->GetRunLoader()->GetNumberOfEvents(); | |
550 | } | |
551 | ||
552 | //_____________________________________________________________________________ | |
553 | Int_t | |
554 | AliMUONMCDataInterface::NumberOfTracks(Int_t event) | |
555 | { | |
556 | /// Number of tracks in the event | |
557 | if ( not IsValid()) return -1; | |
558 | ||
559 | if (event != fCurrentEvent) | |
560 | { | |
561 | ResetStores(); | |
562 | if ( not LoadEvent(event) ) return -1; | |
563 | } | |
564 | ||
565 | fLoader->LoadHits(); | |
566 | ||
567 | Int_t rv(-1); | |
568 | ||
569 | TTree* treeH = fLoader->TreeH(); | |
570 | if (treeH != 0x0) | |
571 | { | |
572 | rv = static_cast<Int_t>(treeH->GetEntries()); | |
573 | } | |
574 | else | |
575 | { | |
576 | AliError("Could not get TreeH"); | |
577 | } | |
578 | ||
579 | fLoader->UnloadHits(); | |
580 | ||
581 | return rv; | |
582 | } | |
583 | ||
584 | //_____________________________________________________________________________ | |
585 | Int_t | |
586 | AliMUONMCDataInterface::NumberOfTrackRefs(Int_t event) | |
587 | { | |
588 | /// Number of track references in the event | |
589 | if ( not IsValid()) return -1; | |
590 | ||
591 | if (event != fCurrentEvent) | |
592 | { | |
593 | ResetStores(); | |
594 | if ( not LoadEvent(event) ) return -1; | |
595 | } | |
596 | ||
597 | fLoader->GetRunLoader()->LoadTrackRefs(); | |
598 | ||
599 | Int_t rv(-1); | |
600 | ||
601 | TTree* treeTR = fLoader->GetRunLoader()->TreeTR(); | |
602 | if (treeTR != 0x0) | |
603 | { | |
604 | rv = static_cast<Int_t>(treeTR->GetEntries()); | |
605 | } | |
606 | else | |
607 | { | |
608 | AliError("Could not get TreeTR"); | |
609 | } | |
610 | ||
611 | fLoader->GetRunLoader()->UnloadTrackRefs(); | |
612 | ||
613 | return rv; | |
614 | } | |
615 | ||
616 | //_____________________________________________________________________________ | |
617 | void | |
618 | AliMUONMCDataInterface::Open(const char* filename) | |
619 | { | |
620 | /// Connect to a given galice.root file | |
621 | ||
622 | ResetStores(); | |
623 | ||
624 | fCurrentEvent=-1; | |
625 | ||
626 | if ( fLoader != 0x0 ) | |
627 | { | |
628 | delete fLoader->GetRunLoader(); | |
629 | } | |
630 | ||
631 | fLoader = 0x0; | |
632 | ||
633 | fIsValid = kTRUE; | |
634 | ||
635 | TString foldername(Form("%s-%d",ClassName(),fgInstanceCounter)); | |
636 | ||
637 | while (AliRunLoader::GetRunLoader(foldername)) | |
638 | { | |
639 | delete AliRunLoader::GetRunLoader(foldername); | |
640 | } | |
641 | ||
642 | AliRunLoader* runLoader = AliRunLoader::Open(filename,foldername); | |
643 | if (runLoader == 0x0) | |
644 | { | |
645 | AliError(Form("Cannot open file %s",filename)); | |
646 | fIsValid = kFALSE; | |
647 | return; | |
648 | } | |
649 | ||
650 | // Get run number and set it to CDB manager | |
651 | runLoader->LoadHeader(); | |
652 | if ( ! runLoader->GetHeader() ) { | |
653 | AliError("Cannot load header."); | |
654 | fIsValid = kFALSE; | |
655 | } | |
656 | else { | |
657 | Int_t runNumber = runLoader->GetHeader()->GetRun(); | |
658 | AliCDBManager::Instance()->SetRun(runNumber); | |
659 | } | |
660 | runLoader->UnloadHeader(); | |
661 | ||
662 | fLoader = runLoader->GetDetectorLoader("MUON"); | |
663 | if (fLoader == 0x0) | |
664 | { | |
665 | AliError("Cannot get AliMUONLoader"); | |
666 | fIsValid = kFALSE; | |
667 | } | |
668 | ||
669 | if (not IsValid()) | |
670 | { | |
671 | AliError(Form("Could not access %s filename. Object is unuseable",filename)); | |
672 | } | |
673 | } | |
674 | ||
675 | //_____________________________________________________________________________ | |
676 | Bool_t AliMUONMCDataInterface::GetEvent(Int_t event) | |
677 | { | |
678 | /// Loads all simulated data for the given event. | |
679 | ||
680 | if (HitStore(event, 0) == 0x0) return kFALSE; | |
681 | if (SDigitStore(event) == 0x0) return kFALSE; | |
682 | if (DigitStore(event) == 0x0) return kFALSE; | |
683 | if (TriggerStore(event) == 0x0) return kFALSE; | |
684 | if (TrackRefs(event, 0) == 0x0) return kFALSE; | |
685 | return kTRUE; | |
686 | } | |
687 | ||
688 | //_____________________________________________________________________________ | |
689 | Int_t AliMUONMCDataInterface::NumberOfParticles() | |
690 | { | |
691 | /// Returns the total number of particles in the kinematics tree. | |
692 | ||
693 | AliStack* stack = Stack(fCurrentEvent); | |
694 | if ( stack == 0x0 ) return -1; | |
695 | return (Int_t) stack->GetNtrack(); | |
696 | } | |
697 | ||
698 | //_____________________________________________________________________________ | |
699 | TParticle* AliMUONMCDataInterface::Particle(Int_t index) | |
700 | { | |
701 | /// Returns the index'th particle in the kinematics tree. | |
702 | /// @param index The index number of the particle in the range [0 ... N-1] | |
703 | /// where N = NumberOfParticles() | |
704 | ||
705 | AliStack* stack = Stack(fCurrentEvent); | |
706 | if ( stack == 0x0 ) return 0x0; | |
707 | return static_cast<TParticle*>( stack->Particle(index) ); | |
708 | } | |
709 | ||
710 | //_____________________________________________________________________________ | |
711 | Int_t AliMUONMCDataInterface::NumberOfTracks() | |
712 | { | |
713 | /// Returns the number of primary tracks (from primary particles) in the current event. | |
714 | ||
715 | return NumberOfTracks(fCurrentEvent); | |
716 | } | |
717 | ||
718 | //_____________________________________________________________________________ | |
719 | Int_t AliMUONMCDataInterface::NumberOfHits(Int_t track) | |
720 | { | |
721 | /// Returns the number of hits for a given primary track/particle. | |
722 | /// @param track The track number in the range [0 .. N-1] | |
723 | /// where N = NumberOfTracks() | |
724 | ||
725 | TIterator* iter = GetIterator(kHitIterator, track); | |
726 | return CountObjects(iter); | |
727 | } | |
728 | ||
729 | //_____________________________________________________________________________ | |
730 | AliMUONHit* | |
731 | AliMUONMCDataInterface::Hit(Int_t track, Int_t index) | |
732 | { | |
733 | /// Returns a pointer to the index'th hit object. | |
734 | /// @param track The track number in the range [0 .. N-1] | |
735 | /// where N = NumberOfTracks() | |
736 | /// @param index The index number of the hit in the range [0 ... M-1] | |
737 | /// where M = NumberOfHits(track) | |
738 | ||
739 | TIterator* iter = GetIterator(kHitIterator, track); | |
740 | return static_cast<AliMUONHit*>( FetchObject(iter, index) ); | |
741 | } | |
742 | ||
743 | //_____________________________________________________________________________ | |
744 | Int_t AliMUONMCDataInterface::NumberOfSDigits(Int_t detElemId) | |
745 | { | |
746 | /// Returns the number of summable digits to be found on a given detector element. | |
747 | /// @param detElemId The detector element ID number to search on. | |
748 | ||
749 | TIterator* iter = GetIterator(kSDigitIteratorByDetectorElement, detElemId); | |
750 | return CountObjects(iter); | |
751 | } | |
752 | ||
753 | //_____________________________________________________________________________ | |
754 | AliMUONVDigit* AliMUONMCDataInterface::SDigit(Int_t detElemId, Int_t index) | |
755 | { | |
756 | /// Returns the a pointer to the index'th summable digit on the specified detector element. | |
757 | /// @param detElemId The detector element ID number to search on. | |
758 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
759 | /// where N = NumberOfDigits(detElemId) | |
760 | ||
761 | TIterator* iter = GetIterator(kSDigitIteratorByDetectorElement, detElemId); | |
762 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
763 | } | |
764 | ||
765 | //_____________________________________________________________________________ | |
766 | Int_t AliMUONMCDataInterface::NumberOfSDigits(Int_t chamber, Int_t cathode) | |
767 | { | |
768 | /// Returns the number of summable digits to be found on a specific chamber and cathode. | |
769 | /// @param chamber The chamber number in the range [0 .. 13]. | |
770 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
771 | /// 1 is the non-bending plane. | |
772 | ||
773 | TIterator* iter = GetIterator(kSDigitIteratorByChamberAndCathode, chamber, cathode); | |
774 | return CountObjects(iter); | |
775 | } | |
776 | ||
777 | //_____________________________________________________________________________ | |
778 | AliMUONVDigit* AliMUONMCDataInterface::SDigit(Int_t chamber, Int_t cathode, Int_t index) | |
779 | { | |
780 | /// Returns the a pointer to the index'th summable digit on the specified chamber and cathode. | |
781 | /// @param chamber The chamber number in the range [0 .. 13]. | |
782 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
783 | /// 1 is the non-bending plane. | |
784 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
785 | /// where N = NumberOfDigits(chamber, cathode) | |
786 | ||
787 | TIterator* iter = GetIterator(kSDigitIteratorByChamberAndCathode, chamber, cathode); | |
788 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
789 | } | |
790 | ||
791 | //_____________________________________________________________________________ | |
792 | Int_t AliMUONMCDataInterface::NumberOfDigits(Int_t detElemId) | |
793 | { | |
794 | /// Returns the number of simulated digits to be found on a given detector element. | |
795 | /// @param detElemId The detector element ID number to search on. | |
796 | ||
797 | TIterator* iter = GetIterator(kDigitIteratorByDetectorElement, detElemId); | |
798 | return CountObjects(iter); | |
799 | } | |
800 | ||
801 | //_____________________________________________________________________________ | |
802 | AliMUONVDigit* AliMUONMCDataInterface::Digit(Int_t detElemId, Int_t index) | |
803 | { | |
804 | /// Returns the a pointer to the index'th simulated digit on the specified detector element. | |
805 | /// @param detElemId The detector element ID number to search on. | |
806 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
807 | /// where N = NumberOfDigits(detElemId) | |
808 | ||
809 | TIterator* iter = GetIterator(kDigitIteratorByDetectorElement, detElemId); | |
810 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
811 | } | |
812 | ||
813 | //_____________________________________________________________________________ | |
814 | Int_t AliMUONMCDataInterface::NumberOfDigits(Int_t chamber, Int_t cathode) | |
815 | { | |
816 | /// Returns the number of simulated digits to be found on a specific chamber and cathode. | |
817 | /// @param chamber The chamber number in the range [0 .. 13]. | |
818 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
819 | /// 1 is the non-bending plane. | |
820 | ||
821 | TIterator* iter = GetIterator(kDigitIteratorByChamberAndCathode, chamber, cathode); | |
822 | return CountObjects(iter); | |
823 | } | |
824 | ||
825 | //_____________________________________________________________________________ | |
826 | AliMUONVDigit* AliMUONMCDataInterface::Digit(Int_t chamber, Int_t cathode, Int_t index) | |
827 | { | |
828 | /// Returns the a pointer to the index'th simulated digit on the specified chamber and cathode. | |
829 | /// @param chamber The chamber number in the range [0 .. 13]. | |
830 | /// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and | |
831 | /// 1 is the non-bending plane. | |
832 | /// @param index The index number of the digit to fetch in the range [0 .. N-1], | |
833 | /// where N = NumberOfDigits(chamber, cathode) | |
834 | ||
835 | TIterator* iter = GetIterator(kDigitIteratorByChamberAndCathode, chamber, cathode); | |
836 | return static_cast<AliMUONVDigit*>( FetchObject(iter, index) ); | |
837 | } | |
838 | ||
839 | //_____________________________________________________________________________ | |
840 | Int_t AliMUONMCDataInterface::NumberOfLocalTriggers() | |
841 | { | |
842 | /// Returns the number of simulated local trigger objects. | |
843 | ||
844 | TIterator* iter = GetIterator(kLocalTriggerIterator); | |
845 | return CountObjects(iter); | |
846 | } | |
847 | ||
848 | //_____________________________________________________________________________ | |
849 | AliMUONLocalTrigger* AliMUONMCDataInterface::LocalTrigger(Int_t index) | |
850 | { | |
851 | /// Returns a pointer to the index'th simulated local trigger object. | |
852 | /// @param index The index number of the local trigger object to fetch in the range [0 .. N-1], | |
853 | /// where N = NumberOfLocalTriggers() | |
854 | ||
855 | TIterator* iter = GetIterator(kLocalTriggerIterator); | |
856 | return static_cast<AliMUONLocalTrigger*>( FetchObject(iter, index) ); | |
857 | } | |
858 | ||
859 | //_____________________________________________________________________________ | |
860 | Int_t AliMUONMCDataInterface::NumberOfRegionalTriggers() | |
861 | { | |
862 | /// Returns the number of simulated regional trigger objects. | |
863 | ||
864 | TIterator* iter = GetIterator(kRegionalTriggerIterator); | |
865 | return CountObjects(iter); | |
866 | } | |
867 | ||
868 | //_____________________________________________________________________________ | |
869 | AliMUONRegionalTrigger* AliMUONMCDataInterface::RegionalTrigger(Int_t index) | |
870 | { | |
871 | /// Returns a pointer to the index'th simulated regional trigger object. | |
872 | /// @param index The index number of the regional trigger object to fetch in the range [0 .. N-1], | |
873 | /// where N = NumberOfRegionalTriggers() | |
874 | ||
875 | TIterator* iter = GetIterator(kRegionalTriggerIterator); | |
876 | return static_cast<AliMUONRegionalTrigger*>( FetchObject(iter, index) ); | |
877 | } | |
878 | ||
879 | //_____________________________________________________________________________ | |
880 | AliMUONGlobalTrigger* AliMUONMCDataInterface::GlobalTrigger() | |
881 | { | |
882 | /// Returns a pointer to the simulated global trigger object for the event. | |
883 | ||
884 | AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent); | |
885 | if (store == 0x0) return 0x0; | |
886 | return store->Global(); | |
887 | } | |
888 | ||
889 | //_____________________________________________________________________________ | |
890 | Int_t AliMUONMCDataInterface::NumberOfTrackRefs() | |
891 | { | |
892 | /// Number of track references in the currently selected event. | |
893 | ||
894 | return NumberOfTrackRefs(fCurrentEvent); | |
895 | } | |
896 | ||
897 | //_____________________________________________________________________________ | |
898 | TClonesArray* AliMUONMCDataInterface::TrackRefs(Int_t track) | |
899 | { | |
900 | /// Returns the track references for a given track in the current event. | |
901 | /// @param track The track to returns track references for. In the range [0 .. N-1] | |
902 | /// where N = NumberOfTrackRefs() | |
903 | ||
904 | return TrackRefs(fCurrentEvent, track); | |
905 | } | |
906 | ||
907 | //_____________________________________________________________________________ | |
908 | void AliMUONMCDataInterface::ResetStores() | |
909 | { | |
910 | /// Deletes all the store objects that have been created and resets the pointers to 0x0. | |
911 | /// The temporary iterator object is automatically reset. See ResetIterator for more details. | |
912 | ||
913 | ResetIterator(); | |
914 | if (fHitStore != 0x0) | |
915 | { | |
916 | delete fHitStore; | |
917 | fHitStore = 0x0; | |
918 | } | |
919 | if (fSDigitStore != 0x0) | |
920 | { | |
921 | delete fSDigitStore; | |
922 | fSDigitStore = 0x0; | |
923 | } | |
924 | if (fDigitStore != 0x0) | |
925 | { | |
926 | delete fDigitStore; | |
927 | fDigitStore = 0x0; | |
928 | } | |
929 | if (fTrackRefs != 0x0) | |
930 | { | |
931 | delete fTrackRefs; | |
932 | fTrackRefs = 0x0; | |
933 | } | |
934 | if (fTriggerStore != 0x0) | |
935 | { | |
936 | delete fTriggerStore; | |
937 | fTriggerStore = 0x0; | |
938 | } | |
939 | } | |
940 | ||
941 | //_____________________________________________________________________________ | |
942 | TIterator* AliMUONMCDataInterface::GetIterator(IteratorType type, Int_t x, Int_t y) | |
943 | { | |
944 | /// Creates an appropriate iterator object and returns it. | |
945 | /// If the iterator has already been created then that one is returned otherwise | |
946 | /// a new object is created. | |
947 | /// Depending on the value of 'type' the semantics of parameters x and y can change. | |
948 | /// @param type The type of iterator to create. | |
949 | /// @param x This is the detector element ID if type equals kDigitIteratorByDetectorElement | |
950 | /// or kSDigitIteratorByDetectorElement. | |
951 | /// If type equals kDigitIteratorByChamberAndCathode or | |
952 | /// kSDigitIteratorByChamberAndCathode then this is the chamber number. | |
953 | /// For type == kHitIterator the parameter x is the track number. | |
954 | /// In all other cases this parameter is ignored. | |
955 | /// @param y If type equals kDigitIteratorByChamberAndCathode or | |
956 | /// kSDigitIteratorByChamberAndCathode then this parameter is the cathode | |
957 | /// number. In all other cases this parameter is ignored. | |
958 | ||
959 | if (type == fCurrentIteratorType and fDataX == x and fDataY == y) | |
960 | return fIterator; | |
961 | ||
962 | if (fCurrentEvent == -1) | |
963 | { | |
964 | AliError("No event was selected. Try first using GetEvent()."); | |
965 | return 0x0; | |
966 | } | |
967 | ||
968 | ResetIterator(); | |
969 | ||
970 | switch (type) | |
971 | { | |
972 | case kHitIterator: | |
973 | { | |
974 | Int_t track = x; | |
975 | AliMUONVHitStore* store = HitStore(fCurrentEvent, track); | |
976 | if (store == 0x0) return 0x0; | |
977 | fIterator = store->CreateIterator(); | |
978 | if (fIterator == 0x0) return 0x0; | |
979 | fCurrentIteratorType = kHitIterator; | |
980 | return fIterator; | |
981 | } | |
982 | ||
983 | case kSDigitIteratorByDetectorElement: | |
984 | { | |
985 | Int_t detElem = x; | |
986 | AliMUONVDigitStore* store = SDigitStore(fCurrentEvent); | |
987 | if (store == 0x0) return 0x0; | |
988 | fIterator = store->CreateIterator(detElem, detElem, 2); | |
989 | if (fIterator == 0x0) return 0x0; | |
990 | fCurrentIteratorType = kSDigitIteratorByDetectorElement; | |
991 | fDataX = detElem; | |
992 | return fIterator; | |
993 | } | |
994 | ||
995 | case kSDigitIteratorByChamberAndCathode: | |
996 | { | |
997 | Int_t chamber = x; | |
998 | Int_t cathode = y; | |
999 | if (chamber < 0 or AliMpConstants::NofChambers() <= chamber) | |
1000 | { | |
1001 | AliError(Form( | |
1002 | "Must have give a chamber value in the range [0..%d], but got a value of: %d", | |
1003 | AliMpConstants::NofChambers() - 1, | |
1004 | chamber | |
1005 | )); | |
1006 | return 0x0; | |
1007 | } | |
1008 | if (cathode < 0 or 1 < cathode) | |
1009 | { | |
1010 | AliError(Form("Must have give a cathode value in the range [0..1], but got a value of: %d", cathode)); | |
1011 | return 0x0; | |
1012 | } | |
1013 | ||
1014 | AliMUONVDigitStore* store = SDigitStore(fCurrentEvent); | |
1015 | if (store == 0x0) return 0x0; | |
1016 | MpPair_t pair = AliMpDEManager::GetDetElemIdRange(chamber); | |
1017 | fIterator = store->CreateIterator(AliMp::PairFirst(pair), AliMp::PairSecond(pair), cathode); | |
1018 | if (fIterator == 0x0) return 0x0; | |
1019 | fCurrentIteratorType = kSDigitIteratorByChamberAndCathode; | |
1020 | fDataX = chamber; | |
1021 | fDataY = cathode; | |
1022 | return fIterator; | |
1023 | } | |
1024 | ||
1025 | case kDigitIteratorByDetectorElement: | |
1026 | { | |
1027 | Int_t detElem = x; | |
1028 | AliMUONVDigitStore* store = DigitStore(fCurrentEvent); | |
1029 | if (store == 0x0) return 0x0; | |
1030 | fIterator = store->CreateIterator(detElem, detElem, 2); | |
1031 | if (fIterator == 0x0) return 0x0; | |
1032 | fCurrentIteratorType = kDigitIteratorByDetectorElement; | |
1033 | fDataX = detElem; | |
1034 | return fIterator; | |
1035 | } | |
1036 | ||
1037 | case kDigitIteratorByChamberAndCathode: | |
1038 | { | |
1039 | Int_t chamber = x; | |
1040 | Int_t cathode = y; | |
1041 | if (chamber < 0 or AliMpConstants::NofChambers() <= chamber) | |
1042 | { | |
1043 | AliError(Form( | |
1044 | "Must have give a chamber value in the range [0..%d], but got a value of: %d", | |
1045 | AliMpConstants::NofChambers() - 1, | |
1046 | chamber | |
1047 | )); | |
1048 | return 0x0; | |
1049 | } | |
1050 | if (cathode < 0 or 1 < cathode) | |
1051 | { | |
1052 | AliError(Form("Must have give a cathode value in the range [0..1], but got a value of: %d", cathode)); | |
1053 | return 0x0; | |
1054 | } | |
1055 | ||
1056 | AliMUONVDigitStore* store = DigitStore(fCurrentEvent); | |
1057 | if (store == 0x0) return 0x0; | |
1058 | MpPair_t pair = AliMpDEManager::GetDetElemIdRange(chamber); | |
1059 | fIterator = store->CreateIterator(AliMp::PairFirst(pair), AliMp::PairSecond(pair), cathode); | |
1060 | if (fIterator == 0x0) return 0x0; | |
1061 | fCurrentIteratorType = kDigitIteratorByChamberAndCathode; | |
1062 | fDataX = chamber; | |
1063 | fDataY = cathode; | |
1064 | return fIterator; | |
1065 | } | |
1066 | ||
1067 | case kLocalTriggerIterator: | |
1068 | { | |
1069 | AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent); | |
1070 | if (store == 0x0) return 0x0; | |
1071 | fIterator = store->CreateLocalIterator(); | |
1072 | if (fIterator == 0x0) return 0x0; | |
1073 | fCurrentIteratorType = kLocalTriggerIterator; | |
1074 | return fIterator; | |
1075 | } | |
1076 | ||
1077 | case kRegionalTriggerIterator: | |
1078 | { | |
1079 | AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent); | |
1080 | if (store == 0x0) return 0x0; | |
1081 | fIterator = store->CreateRegionalIterator(); | |
1082 | if (fIterator == 0x0) return 0x0; | |
1083 | fCurrentIteratorType = kRegionalTriggerIterator; | |
1084 | return fIterator; | |
1085 | } | |
1086 | ||
1087 | default: | |
1088 | return 0x0; | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | //_____________________________________________________________________________ | |
1093 | void AliMUONMCDataInterface::ResetIterator() | |
1094 | { | |
1095 | /// The temporary iterator object is deleted if it exists and the pointer reset to 0x0. | |
1096 | /// The iterator type and temporary data indicating the state of the iterator are | |
1097 | /// also reset. | |
1098 | ||
1099 | if (fIterator != 0x0) delete fIterator; | |
1100 | fCurrentIteratorType = kNoIterator; | |
1101 | fCurrentIndex = fDataX = fDataY = -1; | |
1102 | fIterator = 0x0; | |
1103 | } | |
1104 | ||
1105 | //_____________________________________________________________________________ | |
1106 | Int_t AliMUONMCDataInterface::CountObjects(TIterator* iter) | |
1107 | { | |
1108 | /// Counts the number of objects in the iterator and resets it. | |
1109 | /// @return The number of objects in 'iter'. | |
1110 | ||
1111 | if (iter == 0x0) return -1; | |
1112 | Int_t count = 0; | |
1113 | iter->Reset(); | |
1114 | while ( iter->Next() != 0x0 ) count++; | |
1115 | iter->Reset(); | |
1116 | fCurrentIndex = -1; | |
1117 | return count; | |
1118 | } | |
1119 | ||
1120 | //_____________________________________________________________________________ | |
1121 | TObject* AliMUONMCDataInterface::FetchObject(TIterator* iter, Int_t index) | |
1122 | { | |
1123 | /// Fetches the index'th object from the iterator counting the first object | |
1124 | /// returned by iterator after it is reset as index == 0. The next object | |
1125 | /// has index == 1 and so on where the last object returned by the iterator | |
1126 | /// has index == N-1 where N = CountObjects(iter) | |
1127 | /// This method will only reset the iterator if index is smaller than | |
1128 | /// fCurrentIndex, which is used to track the iteration progress and is | |
1129 | /// updated when a new object if returned by this method. | |
1130 | /// @param iter The iterator to fetch an object from. | |
1131 | /// @param index The index number of the object to fetch in the range [0 .. N-1] | |
1132 | /// where N = CountObjects(iter) | |
1133 | ||
1134 | if (index < 0) | |
1135 | { | |
1136 | AliError(Form("Index is out of bounds. Got a value of %d.", index)); | |
1137 | return 0x0; | |
1138 | } | |
1139 | ||
1140 | if (iter == 0x0) return 0x0; | |
1141 | if (index <= fCurrentIndex) | |
1142 | { | |
1143 | iter->Reset(); | |
1144 | fCurrentIndex = -1; | |
1145 | } | |
1146 | ||
1147 | TObject* object = 0x0; | |
1148 | while (fCurrentIndex < index) | |
1149 | { | |
1150 | object = iter->Next(); | |
1151 | if (object == 0x0) | |
1152 | { | |
1153 | AliError(Form("Index is out of bounds. Got a value of %d.", index)); | |
1154 | iter->Reset(); | |
1155 | fCurrentIndex = -1; | |
1156 | return 0x0; | |
1157 | } | |
1158 | fCurrentIndex++; | |
1159 | } | |
1160 | return object; | |
1161 | } |