1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
17 //-----------------------------
18 // Class AliMUONReconstructor
19 //-----------------------------
21 // MUON track reconstruction
23 #include "AliMUONReconstructor.h"
26 #include "AliESDMuonTrack.h"
29 #include "AliMUONConstants.h"
30 #include "AliMUONCalibrationData.h"
31 #include "AliMUONClusterFinderAZ.h"
32 #include "AliMUONClusterReconstructor.h"
33 #include "AliMUONData.h"
34 #include "AliMUONDigitCalibrator.h"
35 #include "AliMUONEventRecoCombi.h"
36 #include "AliMUONDigitMaker.h"
37 #include "AliMUONTrack.h"
38 #include "AliMUONTrackParam.h"
39 #include "AliMUONTrackExtrap.h"
40 #include "AliMUONVTrackReconstructor.h"
41 #include "AliMUONTrackReconstructor.h"
42 #include "AliMUONTrackReconstructorK.h"
43 #include "AliMUONTriggerTrack.h"
44 #include "AliMUONTriggerCircuit.h"
45 #include "AliMUONTriggerCrateStore.h"
47 #include "AliMpSegmentation.h"
49 #include "AliMUONPreClusterFinder.h"
50 #include "AliMUONClusterFinderCOG.h"
51 #include "AliMUONClusterFinderSimpleFit.h"
52 #include "AliMUONClusterFinderMLEM.h"
54 #include "AliRawReader.h"
56 #include "AliRunLoader.h"
58 #include "TStopwatch.h"
61 ClassImp(AliMUONReconstructor)
64 //_____________________________________________________________________________
65 AliMUONReconstructor::AliMUONReconstructor()
68 fDigitMaker(new AliMUONDigitMaker()),
69 fCalibrationData(0x0),
70 fCrateManager(new AliMUONTriggerCrateStore()),
71 fTriggerCircuit(new TClonesArray("AliMUONTriggerCircuit", 234)),
72 fTransformer(new AliMUONGeometryTransformer(kTRUE))
75 /// Default constructor
79 fCrateManager->ReadFromFile();
82 fDigitMaker->SetCrateManager(fCrateManager);
85 fTransformer->ReadGeometryData("volpath.dat", "geometry.root");
88 for (Int_t i = 0; i < AliMUONConstants::NTriggerCircuit(); i++) {
89 AliMUONTriggerCircuit* c = new AliMUONTriggerCircuit();
90 c->SetTransformer(fTransformer);
91 c->Init(i,*fCrateManager);
92 TClonesArray& circuit = *fTriggerCircuit;
93 new(circuit[circuit.GetEntriesFast()])AliMUONTriggerCircuit(*c);
100 //_____________________________________________________________________________
101 AliMUONReconstructor::~AliMUONReconstructor()
106 delete fCalibrationData;
108 delete fCrateManager;
109 delete fTriggerCircuit;
113 //_____________________________________________________________________________
115 AliMUONReconstructor::GetCalibrationTask(AliMUONData* data) const
117 /// Create the calibration task(s).
119 const AliRun* run = fRunLoader->GetAliRun();
121 AliInfo("Calibration will occur.");
122 Int_t runNumber = run->GetRunNumber();
123 fCalibrationData = new AliMUONCalibrationData(runNumber);
124 if ( !fCalibrationData->IsValid() )
126 AliError("Could not retrieve calibrations !");
127 delete fCalibrationData;
128 fCalibrationData = 0x0;
131 TTask* calibration = new TTask("MUONCalibrator","MUON Digit calibrator");
132 calibration->Add(new AliMUONDigitCalibrator(data,fCalibrationData));
133 //FIXME: calibration->Add(something about dead channels should go here).
138 //_____________________________________________________________________________
140 AliMUONReconstructor::Init(AliRunLoader* runLoader)
144 fRunLoader = runLoader;
147 //_____________________________________________________________________________
148 AliMUONClusterReconstructor*
149 AliMUONReconstructor::CreateClusterReconstructor(AliMUONData* data) const
151 AliMUONVClusterFinder* clusterFinder(0x0);
153 TString opt(GetOption());
156 if ( strstr(opt,"PRECLUSTER") )
158 clusterFinder = new AliMUONPreClusterFinder;
160 else if ( strstr(opt,"COG") )
162 clusterFinder = new AliMUONClusterFinderCOG;
164 else if ( strstr(opt,"SIMPLEFIT") )
166 clusterFinder = new AliMUONClusterFinderSimpleFit;
168 else if ( strstr(opt,"MLEM:DRAW") )
170 clusterFinder = new AliMUONClusterFinderMLEM(kTRUE);
172 else if ( strstr(opt,"MLEM") )
174 clusterFinder = new AliMUONClusterFinderMLEM(kFALSE);
179 AliInfo(Form("Will use %s for clusterizing",clusterFinder->ClassName()));
182 AliMUONClusterReconstructor* clusterReco =
183 new AliMUONClusterReconstructor(data,clusterFinder,fTransformer);
187 //_____________________________________________________________________________
188 void AliMUONReconstructor::Reconstruct(AliRunLoader* runLoader) const
193 AliLoader* loader = runLoader->GetLoader("MUONLoader");
194 Int_t nEvents = runLoader->GetNumberOfEvents();
196 AliMUONData* data = new AliMUONData(loader,"MUON","MUON");
198 // passing loader as argument.
199 AliMUONVTrackReconstructor* recoEvent;
200 if (strstr(GetOption(),"Original")) recoEvent = new AliMUONTrackReconstructor(data);
201 else if (strstr(GetOption(),"Combi")) recoEvent = new AliMUONTrackReconstructorK(data,"Combi");
202 else recoEvent = new AliMUONTrackReconstructorK(data,"Kalman");
204 recoEvent->SetTriggerCircuit(fTriggerCircuit);
206 AliMUONClusterReconstructor* recoCluster = CreateClusterReconstructor(data);
208 AliMUONClusterFinderVS *recModel = recoCluster->GetRecoModel();
210 if (!strstr(GetOption(),"VS")) {
211 recModel = (AliMUONClusterFinderVS*) new AliMUONClusterFinderAZ();
212 recoCluster->SetRecoModel(recModel);
214 recModel->SetGhostChi2Cut(10);
216 loader->LoadDigits("READ");
217 loader->LoadRecPoints("RECREATE");
218 loader->LoadTracks("RECREATE");
220 TTask* calibration = GetCalibrationTask(data);
222 Int_t chBeg = (strstr(GetOption(),"Combi") ? 6 : 0);
225 for(Int_t ievent = 0; ievent < nEvents; ievent++) {
227 AliDebug(1,Form("Event %d",ievent));
229 runLoader->GetEvent(ievent);
231 //----------------------- digit2cluster & Trigger2Trigger -------------------
232 if (!loader->TreeR()) loader->MakeRecPointsContainer();
235 if (!strstr(GetOption(),"Combi")) {
236 data->MakeBranch("RC");
237 data->SetTreeAddress("D,RC");
239 data->SetTreeAddress("D");
240 data->SetTreeAddress("RCC");
242 // Important for avoiding a memory leak when reading digits ( to be investigated more in detail)
243 // In any case the reading of GLT is needed for the Trigger2Tigger method below
244 data->SetTreeAddress("GLT");
250 calibration->ExecuteTask();
253 recoCluster->Digits2Clusters(chBeg);
255 if (strstr(GetOption(),"Combi")) {
256 // Combined cluster / track finder
257 AliMUONEventRecoCombi::Instance()->FillEvent(data, (AliMUONClusterFinderAZ*)recModel);
258 ((AliMUONClusterFinderAZ*) recModel)->SetReco(2);
260 else data->Fill("RC");
263 data->MakeBranch("TC");
264 data->SetTreeAddress("TC");
265 recoCluster->Trigger2Trigger();
268 //AZ loader->WriteRecPoints("OVERWRITE");
270 //---------------------------- Track & TriggerTrack ---------------------
271 if (!loader->TreeT()) loader->MakeTracksContainer();
274 data->MakeBranch("RL"); //trigger track
275 data->SetTreeAddress("RL");
276 recoEvent->EventReconstructTrigger();
280 data->MakeBranch("RT"); //track
281 data->SetTreeAddress("RT");
282 recoEvent->EventReconstruct();
285 loader->WriteTracks("OVERWRITE");
287 if (strstr(GetOption(),"Combi")) {
288 // Combined cluster / track
289 ((AliMUONClusterFinderAZ*) recModel)->SetReco(1);
290 data->MakeBranch("RC");
291 data->SetTreeAddress("RC");
292 AliMUONEventRecoCombi::Instance()->FillRecP(data, (AliMUONTrackReconstructorK*)recoEvent);
295 loader->WriteRecPoints("OVERWRITE");
297 //--------------------------- Resetting branches -----------------------
299 data->ResetRawClusters();
300 data->ResetTrigger();
301 data->ResetRecTracks();
302 data->ResetRecTriggerTracks();
305 loader->UnloadDigits();
306 loader->UnloadRecPoints();
307 loader->UnloadTracks();
315 //_____________________________________________________________________________
316 void AliMUONReconstructor::Reconstruct(AliRunLoader* runLoader,
317 AliRawReader* rawReader) const
323 AliLoader* loader = runLoader->GetLoader("MUONLoader");
324 AliMUONData data(loader,"MUON","MUON");
326 // passing loader as argument.
327 fDigitMaker->SetMUONData(&data);
329 AliMUONClusterReconstructor* recoCluster = CreateClusterReconstructor(&data);
331 AliMUONVTrackReconstructor *recoEvent;
332 if (strstr(GetOption(),"Original")) recoEvent = new AliMUONTrackReconstructor(&data);
333 else if (strstr(GetOption(),"Combi")) recoEvent = new AliMUONTrackReconstructorK(&data,"Combi");
334 else recoEvent = new AliMUONTrackReconstructorK(&data,"Kalman");
336 recoEvent->SetTriggerCircuit(fTriggerCircuit);
338 AliMUONClusterFinderVS *recModel = recoCluster->GetRecoModel();
340 if (!strstr(GetOption(),"VS"))
342 recModel = (AliMUONClusterFinderVS*) new AliMUONClusterFinderAZ();
343 recoCluster->SetRecoModel(recModel);
345 recModel->SetGhostChi2Cut(10);
347 TTask* calibration = GetCalibrationTask(&data);
349 loader->LoadRecPoints("RECREATE");
350 loader->LoadTracks("RECREATE");
351 loader->LoadDigits("READ");
356 TStopwatch totalTimer;
358 TStopwatch calibTimer;
359 TStopwatch clusterTimer;
360 TStopwatch trackingTimer;
362 rawTimer.Start(kTRUE); rawTimer.Stop();
363 calibTimer.Start(kTRUE); calibTimer.Stop();
364 clusterTimer.Start(kTRUE); clusterTimer.Stop();
365 trackingTimer.Start(kTRUE); trackingTimer.Stop();
367 totalTimer.Start(kTRUE);
369 while (rawReader->NextEvent())
371 AliDebug(1,Form("Event %d",iEvent));
373 runLoader->GetEvent(iEvent++);
375 //----------------------- raw2digits & raw2trigger-------------------
376 if (!loader->TreeD())
378 AliDebug(1,Form("Making Digit Container for event %d",iEvent));
379 loader->MakeDigitsContainer();
382 data.SetTreeAddress("D,GLT");
383 rawTimer.Start(kFALSE);
384 fDigitMaker->Raw2Digits(rawReader);
389 calibTimer.Start(kFALSE);
390 calibration->ExecuteTask();
394 //----------------------- digit2cluster & Trigger2Trigger -------------------
395 clusterTimer.Start(kFALSE);
397 if (!loader->TreeR()) loader->MakeRecPointsContainer();
400 data.MakeBranch("RC");
401 data.SetTreeAddress("RC");
402 recoCluster->Digits2Clusters();
406 data.MakeBranch("TC");
407 data.SetTreeAddress("TC");
408 recoCluster->Trigger2Trigger();
411 loader->WriteRecPoints("OVERWRITE");
415 //---------------------------- Track & TriggerTrack ---------------------
416 trackingTimer.Start(kFALSE);
417 if (!loader->TreeT()) loader->MakeTracksContainer();
420 data.MakeBranch("RL"); //trigger track
421 data.SetTreeAddress("RL");
422 recoEvent->EventReconstructTrigger();
426 data.MakeBranch("RT"); //track
427 data.SetTreeAddress("RT");
428 recoEvent->EventReconstruct();
431 loader->WriteTracks("OVERWRITE");
432 trackingTimer.Stop();
434 //--------------------------- Resetting branches -----------------------
436 data.ResetRawClusters();
438 data.ResetRecTracks();
439 data.ResetRecTriggerTracks();
445 loader->UnloadRecPoints();
446 loader->UnloadTracks();
447 loader->UnloadDigits();
453 AliInfo(Form("Execution time for converting RAW data to digits in MUON : R:%.2fs C:%.2fs",
454 rawTimer.RealTime(),rawTimer.CpuTime()));
455 AliInfo(Form("Execution time for calibrating MUON : R:%.2fs C:%.2fs",
456 calibTimer.RealTime(),calibTimer.CpuTime()));
457 AliInfo(Form("Execution time for clusterizing MUON : R:%.2fs C:%.2fs",
458 clusterTimer.RealTime(),clusterTimer.CpuTime()));
459 AliInfo(Form("Execution time for tracking MUON : R:%.2fs C:%.2fs",
460 trackingTimer.RealTime(),trackingTimer.CpuTime()));
461 AliInfo(Form("Total Execution time for Reconstruct(from raw) MUON : R:%.2fs C:%.2fs",
462 totalTimer.RealTime(),totalTimer.CpuTime()));
465 //_____________________________________________________________________________
466 void AliMUONReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
471 TClonesArray* recTracksArray = 0;
472 TClonesArray* recTrigTracksArray = 0;
474 AliLoader* loader = runLoader->GetLoader("MUONLoader");
475 loader->LoadTracks("READ");
476 AliMUONData* muonData = new AliMUONData(loader,"MUON","MUON");
479 Int_t iEvent;// nPart;
480 Int_t nTrackHits;// nPrimary;
483 Double_t bendingSlope, nonBendingSlope, inverseBendingMomentum;
484 Double_t xRec, yRec, zRec, chi2MatchTrigger;
487 // setting pointer for tracks, triggertracks & trackparam at vertex
488 AliMUONTrack* recTrack = 0;
489 AliMUONTrackParam* trackParam = 0;
490 AliMUONTriggerTrack* recTriggerTrack = 0;
492 iEvent = runLoader->GetEventNumber();
493 runLoader->GetEvent(iEvent);
496 Double_t vertex[3] = {0};
497 const AliESDVertex *esdVert = esd->GetVertex();
498 if (esdVert->GetNContributors()) {
499 esdVert->GetXYZ(vertex);
500 printf("find vertex\n");
502 // setting ESD MUON class
503 AliESDMuonTrack* theESDTrack = new AliESDMuonTrack() ;
505 //-------------------- trigger tracks-------------
507 muonData->SetTreeAddress("RL");
508 muonData->GetRecTriggerTracks();
509 recTrigTracksArray = muonData->RecTriggerTracks();
511 // ready global trigger pattern from first track
512 if (recTrigTracksArray)
513 recTriggerTrack = (AliMUONTriggerTrack*) recTrigTracksArray->First();
514 if (recTriggerTrack) trigPat = recTriggerTrack->GetGTPattern();
516 //printf(">>> Event %d Number of Recconstructed tracks %d \n",iEvent, nrectracks);
518 // -------------------- tracks-------------
519 muonData->SetTreeAddress("RT");
520 muonData->GetRecTracks();
521 recTracksArray = muonData->RecTracks();
523 Int_t nRecTracks = 0;
525 nRecTracks = (Int_t) recTracksArray->GetEntriesFast(); //
528 for (Int_t iRecTracks = 0; iRecTracks < nRecTracks; iRecTracks++) {
530 // reading info from tracks
531 recTrack = (AliMUONTrack*) recTracksArray->At(iRecTracks);
533 trackParam = (AliMUONTrackParam*) (recTrack->GetTrackParamAtHit())->First();
535 if (esdVert->GetNContributors())
536 AliMUONTrackExtrap::ExtrapToVertex(trackParam, vertex[0],vertex[1],vertex[2]);
538 bendingSlope = trackParam->GetBendingSlope();
539 nonBendingSlope = trackParam->GetNonBendingSlope();
540 inverseBendingMomentum = trackParam->GetInverseBendingMomentum();
541 xRec = trackParam->GetNonBendingCoor();
542 yRec = trackParam->GetBendingCoor();
543 zRec = trackParam->GetZ();
545 nTrackHits = recTrack->GetNTrackHits();
546 fitFmin = recTrack->GetFitFMin();
547 matchTrigger = recTrack->GetMatchTrigger();
548 chi2MatchTrigger = recTrack->GetChi2MatchTrigger();
550 // setting data member of ESD MUON
551 theESDTrack->SetInverseBendingMomentum(inverseBendingMomentum);
552 theESDTrack->SetThetaX(TMath::ATan(nonBendingSlope));
553 theESDTrack->SetThetaY(TMath::ATan(bendingSlope));
554 theESDTrack->SetZ(zRec);
555 theESDTrack->SetBendingCoor(yRec); // calculate vertex at ESD or Tracking level ?
556 theESDTrack->SetNonBendingCoor(xRec);
557 theESDTrack->SetChi2(fitFmin);
558 theESDTrack->SetNHit(nTrackHits);
559 theESDTrack->SetMatchTrigger(matchTrigger);
560 theESDTrack->SetChi2MatchTrigger(chi2MatchTrigger);
562 // storing ESD MUON Track into ESD Event
564 esd->AddMuonTrack(theESDTrack);
568 muonData->ResetRecTracks();
569 muonData->ResetRecTriggerTracks();
571 //} // end loop on event
572 loader->UnloadTracks();
576 }//_____________________________________________________________________________
577 void AliMUONReconstructor::FillESD(AliRunLoader* runLoader, AliRawReader* /*rawReader*/, AliESD* esd) const
582 // don't need rawReader ???
583 FillESD(runLoader, esd);