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 **************************************************************************/
18 #include "AliMUONESDInterface.h"
19 #include "AliMUONTrack.h"
20 #include "AliMUONVTrackStore.h"
21 #include "AliMUONVCluster.h"
22 #include "AliMUONVClusterStore.h"
23 #include "AliMUONVDigit.h"
24 #include "AliMUONVDigitStore.h"
25 #include "AliMUONLocalTrigger.h"
26 #include "AliMUONTriggerTrack.h"
27 #include "AliMUONVTriggerStore.h"
28 #include "AliMUONVTriggerTrackStore.h"
29 #include "AliMUON2DMapIterator.h"
30 #include "AliMUONTrackParam.h"
31 #include "AliMUONTrackExtrap.h"
32 #include "AliMUONConstants.h"
33 #include "AliMUONTracker.h"
34 #include "AliMUONRecoParam.h"
35 #include "AliMUONVTrackReconstructor.h"
36 #include "AliMUONCDB.h"
38 #include "AliMpExMapIterator.h"
39 #include "AliMpVSegmentation.h"
40 #include "AliMpSegmentation.h"
43 #include "AliESDEvent.h"
44 #include "AliESDMuonTrack.h"
45 #include "AliESDMuonCluster.h"
46 #include "AliESDMuonPad.h"
51 #include <TIterator.h>
54 #include <Riostream.h>
55 #include <TGeoGlobalMagField.h>
56 #include <TVirtualMagField.h>
58 //-----------------------------------------------------------------------------
59 /// \class AliMUONESDInterface
61 /// There are 2 way of using thid converter between MUON track/cluster/digit
62 /// and ESDMuon track/cluster/pad:
64 /// 1) using the static methods converting the objects one by one
66 /// 2) loading a whole ESDEvent and using the finders and/or the iterators
67 /// to access the corresponding MUON objects
69 /// note: You can set the recoParam used to refit the MUON track with ResetTracker(...);
70 /// By default we use Kalman filter + Smoother
72 /// \author Philippe Pillot
73 //-----------------------------------------------------------------------------
78 ClassImp(AliMUONESDInterface)
81 AliMUONRecoParam* AliMUONESDInterface::fgRecoParam = 0x0;
82 AliMUONVTrackReconstructor* AliMUONESDInterface::fgTracker = 0x0;
84 TString AliMUONESDInterface::fgTrackStoreName = "AliMUONTrackStoreV1";
85 TString AliMUONESDInterface::fgClusterStoreName = "AliMUONClusterStoreV2";
86 TString AliMUONESDInterface::fgDigitStoreName = "AliMUONDigitStoreV2R";
87 TString AliMUONESDInterface::fgTriggerStoreName = "AliMUONTriggerStoreV1";
88 TString AliMUONESDInterface::fgTriggerTrackStoreName = "AliMUONTriggerTrackStoreV1";
90 //_____________________________________________________________________________
91 AliMUONESDInterface::AliMUONESDInterface()
99 /// Default constructor
102 //_____________________________________________________________________________
103 AliMUONESDInterface::~AliMUONESDInterface()
113 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
114 // methods to play with internal objects //
115 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
117 //_____________________________________________________________________________
118 void AliMUONESDInterface::Clear(Option_t*)
121 delete fTracks; fTracks = 0x0;
122 delete fDigits; fDigits = 0x0;
123 delete fTriggers; fTriggers = 0x0;
124 delete fClusterMap; fClusterMap = 0x0;
125 delete fDigitMap; fDigitMap = 0x0;
128 //_____________________________________________________________________________
129 void AliMUONESDInterface::Reset()
131 /// reset stores and maps
133 if (fTracks) fTracks->Clear("C");
134 else fTracks = NewTrackStore();
136 if (fDigits) fDigits->Clear("C");
137 else fDigits = NewDigitStore();
139 if (fTriggers) fTriggers->Clear("C");
140 else fTriggers = NewTriggerStore();
142 if (fClusterMap) fClusterMap->Clear();
143 else fClusterMap = new AliMpExMap;
144 fClusterMap->SetOwner(kTRUE);
146 if (fDigitMap) fDigitMap->Clear();
147 else fDigitMap = new AliMpExMap;
148 fDigitMap->SetOwner(kTRUE);
151 //_____________________________________________________________________________
152 void AliMUONESDInterface::LoadEvent(AliESDEvent& esdEvent, Bool_t refit)
154 /// Extract MUON data from the given ESD event
156 // reset data members
159 // loop over ESD pads and fill the digit store
160 for (Int_t iPad = 0; iPad < esdEvent.GetNumberOfMuonPads(); iPad++)
161 Add(*(esdEvent.GetMuonPad(iPad)), *fDigits);
163 // loop over ESD tracks and fill the stores
164 for (Int_t iTrack = 0; iTrack < esdEvent.GetNumberOfMuonTracks(); iTrack++) {
167 AliESDMuonTrack* esdTrack = esdEvent.GetMuonTrack(iTrack);
169 // fill trigger store if related info are availables
170 if (esdTrack->ContainTriggerData()) Add(*esdTrack, *fTriggers);
172 // fill tracker data if availables
173 if (!esdTrack->ContainTrackerData()) continue;
175 // add it to track store
176 AliMUONTrack* track = Add(*esdTrack, *fTracks, refit);
178 // prepare cluster map
179 AliMpExMap* cMap = new AliMpExMap;
180 cMap->SetOwner(kFALSE);
181 fClusterMap->Add(esdTrack->GetUniqueID(), cMap);
183 // prepare digit maps
184 AliMpExMap* dMaps = new AliMpExMap;
185 dMaps->SetOwner(kTRUE);
186 fDigitMap->Add(esdTrack->GetUniqueID(), dMaps);
188 // loop over clusters
189 for (Int_t iCluster = 0; iCluster < track->GetNClusters(); iCluster++) {
192 AliMUONVCluster* cluster = ((AliMUONTrackParam*)track->GetTrackParamAtCluster()->UncheckedAt(iCluster))->GetClusterPtr();
195 cMap->Add(cluster->GetUniqueID(), cluster);
198 AliMpExMap* dMap =new AliMpExMap;
199 dMap->SetOwner(kFALSE);
200 dMaps->Add(cluster->GetUniqueID(), dMap);
203 for (Int_t iDigit = 0; iDigit < cluster->GetNDigits(); iDigit++) {
206 AliMUONVDigit* digit = fDigits->FindObject(cluster->GetDigitId(iDigit));
209 if (digit) dMap->Add(digit->GetUniqueID(), digit);
210 else AliError("a digit is missing");
212 } // end of loop over pads
214 } // end of loop over clusters
216 } // end of loop over tracks
220 //___________________________________________________________________________
221 Int_t AliMUONESDInterface::GetNTracks() const
223 /// return the number of tracks
224 return fTracks ? fTracks->GetSize() : 0;
227 //___________________________________________________________________________
228 Int_t AliMUONESDInterface::GetNClusters() const
230 /// return the number of clusters
233 TIter next(CreateTrackIterator());
234 while ((track = static_cast<AliMUONTrack*>(next()))) nClusters += track->GetNClusters();
238 //___________________________________________________________________________
239 Int_t AliMUONESDInterface::GetNClusters(UInt_t trackId) const
241 /// return the number of clusters in track "trackId"
242 AliMUONTrack* track = FindTrack(trackId);
243 return track ? track->GetNClusters() : 0;
246 //___________________________________________________________________________
247 Int_t AliMUONESDInterface::GetNDigits() const
249 /// return the number of digits
250 return fDigits ? fDigits->GetSize() : 0;
253 //___________________________________________________________________________
254 Int_t AliMUONESDInterface::GetNDigits(UInt_t trackId) const
256 /// return the number of digits in all clusters of track "trackId"
258 AliMUONVCluster *cluster;
259 TIter next(CreateClusterIterator(trackId));
260 while ((cluster = static_cast<AliMUONVCluster*>(next()))) nDigits += cluster->GetNDigits();
264 //___________________________________________________________________________
265 Int_t AliMUONESDInterface::GetNDigits(UInt_t trackId, UInt_t clusterId) const
267 /// return the number of digits in cluster numbered "iCluster" of track "iTrack"
268 AliMUONVCluster* cluster = FindCluster(trackId, clusterId);
269 return cluster ? cluster->GetNDigits() : 0;
272 //___________________________________________________________________________
273 Int_t AliMUONESDInterface::GetNDigitsInCluster(UInt_t clusterId) const
275 /// return the number of digits in cluster "clusterId"
276 AliMUONVCluster* cluster = FindCluster(clusterId);
277 return cluster ? cluster->GetNDigits() : 0;
280 //___________________________________________________________________________
281 Int_t AliMUONESDInterface::GetNTriggers() const
283 /// return the number of triggers
284 return fTriggers ? fTriggers->GetSize() : 0;
287 //___________________________________________________________________________
288 Bool_t AliMUONESDInterface::DigitsStored(UInt_t trackId) const
290 /// return kTRUE if digits have been stored for all clusters of track "trackId"
291 AliMUONVCluster *cluster;
292 TIter next(CreateClusterIterator(trackId));
293 while ((cluster = static_cast<AliMUONVCluster*>(next())))
294 if (cluster->GetNDigits() == 0) return kFALSE;
298 //___________________________________________________________________________
299 AliMUONTrack* AliMUONESDInterface::FindTrack(UInt_t trackId) const
301 /// return track "trackId" (0x0 if not found)
302 AliMUONTrack *track = fTracks ? static_cast<AliMUONTrack*>(fTracks->FindObject(trackId)) : 0x0;
303 if (!track) AliWarning(Form("track %d does not exist",trackId));
307 //___________________________________________________________________________
308 AliMUONVCluster* AliMUONESDInterface::FindCluster(UInt_t clusterId) const
310 /// loop over tracks and return the first cluster "clusterId" found (0x0 if not found)
312 AliMUONVCluster* cluster = 0x0;
316 TIter next(fClusterMap->CreateIterator());
317 while ((cMap = static_cast<AliMpExMap*>(next()))) {
319 cluster = static_cast<AliMUONVCluster*>(cMap->GetValue(clusterId));
320 if (cluster) return cluster;
326 if (!cluster) AliWarning(Form("cluster %d does not exist",clusterId));
330 //___________________________________________________________________________
331 AliMUONVCluster* AliMUONESDInterface::FindCluster(UInt_t trackId, UInt_t clusterId) const
333 /// return cluster "clusterId" in track "trackId" (0x0 if not found)
334 AliMpExMap *cMap = fClusterMap ? static_cast<AliMpExMap*>(fClusterMap->GetValue(trackId)) : 0x0;
335 AliMUONVCluster* cluster = cMap ? static_cast<AliMUONVCluster*>(cMap->GetValue(clusterId)) : 0x0;
336 if (!cluster) AliWarning(Form("cluster %d does not exist in track %d", clusterId, trackId));
340 //___________________________________________________________________________
341 AliMUONVDigit* AliMUONESDInterface::FindDigit(UInt_t digitId) const
343 /// return digit "digitId" (0x0 if not found)
344 AliMUONVDigit *digit = fDigits ? fDigits->FindObject(digitId) : 0x0;
345 if (!digit) AliWarning(Form("digit %d does not exist",digitId));
349 //___________________________________________________________________________
350 AliMUONLocalTrigger* AliMUONESDInterface::FindLocalTrigger(Int_t boardNumber) const
352 /// return MUON local trigger "boardNumber"
353 return (fTriggers) ? fTriggers->FindLocal(boardNumber) : 0x0;
356 //___________________________________________________________________________
357 TIterator* AliMUONESDInterface::CreateTrackIterator() const
359 /// return iterator over all tracks
360 return fTracks ? fTracks->CreateIterator() : 0x0;
363 //___________________________________________________________________________
364 TIterator* AliMUONESDInterface::CreateClusterIterator() const
366 /// return iterator over all clusters
367 return fClusterMap ? new AliMUON2DMapIterator(*fClusterMap) : 0x0;
370 //___________________________________________________________________________
371 TIterator* AliMUONESDInterface::CreateClusterIterator(UInt_t trackId) const
373 /// return iterator over clusters of track "trackId"
374 AliMpExMap *cMap = fClusterMap ? static_cast<AliMpExMap*>(fClusterMap->GetValue(trackId)) : 0x0;
375 return cMap ? cMap->CreateIterator() : 0x0;
378 //___________________________________________________________________________
379 TIterator* AliMUONESDInterface::CreateDigitIterator() const
381 /// return iterator over all digits
382 return fDigits ? fDigits->CreateIterator() : 0x0;
385 //___________________________________________________________________________
386 TIterator* AliMUONESDInterface::CreateDigitIterator(UInt_t trackId) const
388 /// return iterator over all digits of track "trackId"
389 AliMpExMap* dMaps = fDigitMap ? static_cast<AliMpExMap*>(fDigitMap->GetValue(trackId)) : 0x0;
390 return dMaps ? new AliMUON2DMapIterator(*dMaps) : 0x0;
393 //___________________________________________________________________________
394 TIterator* AliMUONESDInterface::CreateDigitIterator(UInt_t trackId, UInt_t clusterId) const
396 /// return iterator over digits of cluster "clusterId" in track "trackId"
397 AliMpExMap* dMaps = fDigitMap ? static_cast<AliMpExMap*>(fDigitMap->GetValue(trackId)) : 0x0;
398 AliMpExMap* dMap = dMaps ? static_cast<AliMpExMap*>(dMaps->GetValue(clusterId)) : 0x0;
399 return dMap ? dMap->CreateIterator() : 0x0;
402 //___________________________________________________________________________
403 TIterator* AliMUONESDInterface::CreateDigitIteratorInCluster(UInt_t clusterId) const
405 /// return iterator over digits of the first cluster "clusterId" found by looping over all tracks
407 AliMpExMap* dMap = 0x0;
411 TIter next(fDigitMap->CreateIterator());
412 while ((dMaps = static_cast<AliMpExMap*>(next()))) {
414 dMap = static_cast<AliMpExMap*>(dMaps->GetValue(clusterId));
415 if (dMap) return dMap->CreateIterator();
424 //___________________________________________________________________________
425 TIterator* AliMUONESDInterface::CreateLocalTriggerIterator() const
427 /// return iterator over all local trigger
428 return fTriggers ? fTriggers->CreateLocalIterator() : 0x0;
431 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
433 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
435 //_____________________________________________________________________________
436 void AliMUONESDInterface::ResetTracker(const AliMUONRecoParam* recoParam, Bool_t info)
438 /// Reset the MUON tracker using "recoParam" if provided.
439 /// If not provided, will get them from OCDB.
440 /// Load the magnetic field from OCDB if not already set.
447 // use provided recoParam
448 fgRecoParam = new AliMUONRecoParam(*recoParam);
450 if (info) AliInfoClass("will refit tracks with provided RecoParam:");
454 // or get them from OCDB
455 fgRecoParam = AliMUONCDB::LoadRecoParam();
457 if (!fgRecoParam) AliFatalClass("RecoParam have not been set!");
461 // print useful parameters for refitting
463 cout<<" --> Tracking mode = "<<fgRecoParam->GetTrackingMode()<<endl;
464 if (fgRecoParam->UseSmoother()) cout<<" --> Use Smoother"<<endl;
465 else cout<<" --> Do not use smoother"<<endl;
466 cout<<" --> Vertex dispersion in bending direction = "
467 <<fgRecoParam->GetBendingVertexDispersion()<<" cm"<<endl;
470 // load magnetic field for track extrapolation if not already set
471 if (!TGeoGlobalMagField::Instance()->GetField() && !AliMUONCDB::LoadField())
472 AliFatalClass("Magnetic field has not been set!");
474 fgTracker = AliMUONTracker::CreateTrackReconstructor(fgRecoParam,0x0);
478 //_____________________________________________________________________________
479 AliMUONVTrackStore* AliMUONESDInterface::NewTrackStore()
481 /// Create an empty track store of type fgTrackStoreName
482 TClass* classPtr = TClass::GetClass(fgTrackStoreName);
483 if (!classPtr || !classPtr->InheritsFrom("AliMUONVTrackStore")) {
484 AliErrorClass(Form("Unable to create store of type %s", fgTrackStoreName.Data()));
487 return reinterpret_cast<AliMUONVTrackStore*>(gROOT->ProcessLineFast(Form("new %s()",fgTrackStoreName.Data())));
490 //_____________________________________________________________________________
491 AliMUONVClusterStore* AliMUONESDInterface::NewClusterStore()
493 /// Create an empty cluster store of type fgClusterStoreName
494 TClass* classPtr = TClass::GetClass(fgClusterStoreName);
495 if (!classPtr || !classPtr->InheritsFrom("AliMUONVClusterStore")) {
496 AliErrorClass(Form("Unable to create store of type %s", fgClusterStoreName.Data()));
499 return reinterpret_cast<AliMUONVClusterStore*>(gROOT->ProcessLineFast(Form("new %s()",fgClusterStoreName.Data())));
502 //_____________________________________________________________________________
503 AliMUONVCluster* AliMUONESDInterface::NewCluster()
505 /// Create an empty cluster of type associated to the cluster store of type fgClusterStoreName
506 TClass* classPtr = TClass::GetClass(fgClusterStoreName);
507 if (!classPtr || !classPtr->InheritsFrom("AliMUONVClusterStore")) {
508 AliErrorClass(Form("Unable to create store of type %s", fgClusterStoreName.Data()));
511 AliMUONVClusterStore* cStore = reinterpret_cast<AliMUONVClusterStore*>(classPtr->New());
512 AliMUONVCluster* cluster = cStore->CreateCluster(0,0,0);
517 //_____________________________________________________________________________
518 AliMUONVDigitStore* AliMUONESDInterface::NewDigitStore()
520 /// Create an empty digit store of type fgDigitStoreName
521 TClass* classPtr = TClass::GetClass(fgDigitStoreName);
522 if (!classPtr || !classPtr->InheritsFrom("AliMUONVDigitStore")) {
523 AliErrorClass(Form("Unable to create store of type %s", fgDigitStoreName.Data()));
526 return reinterpret_cast<AliMUONVDigitStore*>(gROOT->ProcessLineFast(Form("new %s()",fgDigitStoreName.Data())));
529 //_____________________________________________________________________________
530 AliMUONVDigit* AliMUONESDInterface::NewDigit()
532 /// Create an empty digit of type associated to the digit store of type fgDigitStoreName
533 TClass* classPtr = TClass::GetClass(fgDigitStoreName);
534 if (!classPtr || !classPtr->InheritsFrom("AliMUONVDigitStore")) {
535 AliErrorClass(Form("Unable to create store of type %s", fgDigitStoreName.Data()));
538 AliMUONVDigitStore* dStore = reinterpret_cast<AliMUONVDigitStore*>(classPtr->New());
539 AliMUONVDigit* digit = dStore->CreateDigit(0,0,0,0);
544 //_____________________________________________________________________________
545 AliMUONVTriggerStore* AliMUONESDInterface::NewTriggerStore()
547 /// Create an empty trigger store of type fgTriggerStoreName
548 TClass* classPtr = TClass::GetClass(fgTriggerStoreName);
549 if (!classPtr || !classPtr->InheritsFrom("AliMUONVTriggerStore")) {
550 AliErrorClass(Form("Unable to create store of type %s", fgTriggerStoreName.Data()));
553 return reinterpret_cast<AliMUONVTriggerStore*>(gROOT->ProcessLineFast(Form("new %s()",fgTriggerStoreName.Data())));
556 //_____________________________________________________________________________
557 AliMUONVTriggerTrackStore* AliMUONESDInterface::NewTriggerTrackStore()
559 /// Create an empty trigger track store of type fgTriggerTrackStoreName
560 TClass* classPtr = TClass::GetClass(fgTriggerTrackStoreName);
561 if (!classPtr || !classPtr->InheritsFrom("AliMUONVTriggerTrackStore")) {
562 AliErrorClass(Form("Unable to create store of type %s", fgTriggerTrackStoreName.Data()));
565 return reinterpret_cast<AliMUONVTriggerTrackStore*>(gROOT->ProcessLineFast(Form("new %s()",fgTriggerTrackStoreName.Data())));
568 //_________________________________________________________________________
569 void AliMUONESDInterface::GetParamAtVertex(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
571 /// Get parameters at vertex from ESDMuon track
572 trackParam.SetZ(esdTrack.GetZ());
573 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoor());
574 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaX()));
575 trackParam.SetBendingCoor(esdTrack.GetBendingCoor());
576 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaY()));
577 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentum());
580 //_________________________________________________________________________
581 void AliMUONESDInterface::GetParamAtDCA(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
583 /// Get parameters at DCA from ESDMuon track
584 trackParam.SetZ(esdTrack.GetZ());
585 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoorAtDCA());
586 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaXAtDCA()));
587 trackParam.SetBendingCoor(esdTrack.GetBendingCoorAtDCA());
588 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaYAtDCA()));
589 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentumAtDCA());
592 //_________________________________________________________________________
593 void AliMUONESDInterface::GetParamAtFirstCluster(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
595 /// Get parameters at first cluster from ESDMuon track
596 trackParam.SetZ(esdTrack.GetZUncorrected());
597 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoorUncorrected());
598 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaXUncorrected()));
599 trackParam.SetBendingCoor(esdTrack.GetBendingCoorUncorrected());
600 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaYUncorrected()));
601 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentumUncorrected());
604 //_________________________________________________________________________
605 void AliMUONESDInterface::GetParamCov(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
607 /// Get parameters covariances from ESD track
609 // get ESD covariance matrix
610 TMatrixD covariances(5,5);
611 esdTrack.GetCovariances(covariances);
613 // compute Jacobian to change the coordinate system
614 // from (X,thetaX,Y,thetaY,c/pYZ) to (X,slopeX,Y,slopeY,c/pYZ)
615 Double_t cosThetaX = TMath::Cos(esdTrack.GetThetaXUncorrected());
616 Double_t cosThetaY = TMath::Cos(esdTrack.GetThetaYUncorrected());
620 jacob(1,1) = 1. / cosThetaX / cosThetaX;
622 jacob(3,3) = 1. / cosThetaY / cosThetaY;
625 // compute covariance matrix in ESD coordinate system
626 TMatrixD tmp(covariances,TMatrixD::kMultTranspose,jacob);
627 trackParam.SetCovariances(TMatrixD(jacob,TMatrixD::kMult,tmp));
631 //_________________________________________________________________________
632 void AliMUONESDInterface::SetParamAtVertex(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
634 /// Set parameters in ESD track
635 esdTrack.SetZ(trackParam.GetZ());
636 esdTrack.SetNonBendingCoor(trackParam.GetNonBendingCoor());
637 esdTrack.SetThetaX(TMath::ATan(trackParam.GetNonBendingSlope()));
638 esdTrack.SetBendingCoor(trackParam.GetBendingCoor());
639 esdTrack.SetThetaY(TMath::ATan(trackParam.GetBendingSlope()));
640 esdTrack.SetInverseBendingMomentum(trackParam.GetInverseBendingMomentum());
643 //_________________________________________________________________________
644 void AliMUONESDInterface::SetParamAtDCA(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
646 /// Set parameters in ESD track
647 esdTrack.SetNonBendingCoorAtDCA(trackParam.GetNonBendingCoor());
648 esdTrack.SetThetaXAtDCA(TMath::ATan(trackParam.GetNonBendingSlope()));
649 esdTrack.SetBendingCoorAtDCA(trackParam.GetBendingCoor());
650 esdTrack.SetThetaYAtDCA(TMath::ATan(trackParam.GetBendingSlope()));
651 esdTrack.SetInverseBendingMomentumAtDCA(trackParam.GetInverseBendingMomentum());
654 //_________________________________________________________________________
655 void AliMUONESDInterface::SetParamAtFirstCluster(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
657 /// Set parameters in ESD track
658 esdTrack.SetZUncorrected(trackParam.GetZ());
659 esdTrack.SetNonBendingCoorUncorrected(trackParam.GetNonBendingCoor());
660 esdTrack.SetThetaXUncorrected(TMath::ATan(trackParam.GetNonBendingSlope()));
661 esdTrack.SetBendingCoorUncorrected(trackParam.GetBendingCoor());
662 esdTrack.SetThetaYUncorrected(TMath::ATan(trackParam.GetBendingSlope()));
663 esdTrack.SetInverseBendingMomentumUncorrected(trackParam.GetInverseBendingMomentum());
666 //_________________________________________________________________________
667 void AliMUONESDInterface::SetParamCov(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
669 /// Set parameters covariances in ESD track
671 // set null matrix if covariances does not exist
672 if (!trackParam.CovariancesExist()) {
675 esdTrack.SetCovariances(tmp);
679 // compute Jacobian to change the coordinate system
680 // from (X,slopeX,Y,slopeY,c/pYZ) to (X,thetaX,Y,thetaY,c/pYZ)
681 Double_t cosThetaX = TMath::Cos(TMath::ATan(trackParam.GetNonBendingSlope()));
682 Double_t cosThetaY = TMath::Cos(TMath::ATan(trackParam.GetBendingSlope()));
686 jacob(1,1) = cosThetaX * cosThetaX;
688 jacob(3,3) = cosThetaY * cosThetaY;
691 // compute covariance matrix in ESD coordinate system
692 TMatrixD tmp(trackParam.GetCovariances(),TMatrixD::kMultTranspose,jacob);
693 esdTrack.SetCovariances(TMatrixD(jacob,TMatrixD::kMult,tmp));
697 //_____________________________________________________________________________
698 void AliMUONESDInterface::ESDToMUON(const AliESDMuonTrack& esdTrack, AliMUONTrack& track, Bool_t refit)
700 /// Transfert data from ESDMuon track to MUON track.
701 /// ESDMuon track must hold the pointer to the ESD event otherwise we cannot recover the clusters.
702 /// If refit = kTRUE, the track parameters at each cluster are obtained by refitting the track
703 /// or by extrapolating the parameters at the first one if the refit failed.
704 /// If refit = kFALSE, only the track parameters at first cluster are valid.
705 /// note: You can set the recoParam used to refit the MUON track with ResetTracker(...);
706 /// By default we use Kalman filter + Smoother
708 // if the ESDMuon track is a ghost then return an empty MUON track
709 if (!esdTrack.ContainTrackerData()) {
711 track.SetUniqueID(esdTrack.GetUniqueID());
718 track.SetUniqueID(esdTrack.GetUniqueID());
719 track.FitWithVertex(kFALSE);
720 track.FitWithMCS(kFALSE);
721 track.SetImproved(kFALSE);
722 track.SetVertexErrXY2(0.,0.);
723 track.SetGlobalChi2(esdTrack.GetChi2());
724 track.SetMatchTrigger(esdTrack.GetMatchTrigger());
725 track.SetChi2MatchTrigger(esdTrack.GetChi2MatchTrigger());
726 track.SetHitsPatternInTrigCh(esdTrack.GetHitsPatternInTrigCh());
727 track.SetHitsPatternInTrigChTrk(esdTrack.GetHitsPatternInTrigChTrk());
728 track.SetLocalTrigger(esdTrack.LoCircuit(), esdTrack.LoStripX(), esdTrack.LoStripY(),
729 esdTrack.LoDev(), esdTrack.LoLpt(), esdTrack.LoHpt(),
730 esdTrack.GetTriggerWithoutChamber());
731 track.Connected(esdTrack.IsConnected());
733 // track parameters at vertex
734 AliMUONTrackParam paramAtVertex;
735 GetParamAtVertex(esdTrack, paramAtVertex);
736 track.SetTrackParamAtVertex(¶mAtVertex);
738 // track parameters at first cluster
739 AliMUONTrackParam param;
740 GetParamAtFirstCluster(esdTrack, param);
741 GetParamCov(esdTrack, param);
743 // create empty cluster
744 AliMUONVCluster* cluster = NewCluster();
746 // fill TrackParamAtCluster with track parameters at each cluster if available
747 Bool_t clusterFound = kFALSE;
748 if(esdTrack.GetESDEvent()) {
750 // loop over cluster Id
751 for (Int_t i = 0; i < esdTrack.GetNClusters(); i++) {
753 // recover the ESDMuon cluster
754 AliESDMuonCluster *esdCluster = esdTrack.GetESDEvent()->FindMuonCluster(esdTrack.GetClusterId(i));
755 if (esdCluster) clusterFound = kTRUE;
757 AliErrorClass("a cluster is missing in ESD");
761 // copy cluster information
762 ESDToMUON(*esdCluster, *cluster);
764 // only set the Z parameter to avoid error in the AddTrackParamAtCluster(...) method
765 param.SetZ(cluster->GetZ());
767 // add common track parameters at current cluster
768 track.AddTrackParamAtCluster(param, *cluster, kTRUE);
772 // refit the track to get better parameters and covariances at each cluster (temporary disable track improvement)
773 if (clusterFound && refit) {
775 AliMUONTrackParam *firstTrackParam = (AliMUONTrackParam*) track.GetTrackParamAtCluster()->First();
776 AliMUONTrackParam paramSave(*firstTrackParam);
778 if (!fgTracker) ResetTracker();
780 if (!fgTracker->RefitTrack(track, kFALSE) && track.GetGlobalChi2() < AliMUONTrack::MaxChi2()) {
781 *firstTrackParam = paramSave;
782 track.UpdateCovTrackParamAtCluster();
789 // fill TrackParamAtCluster with only track parameters at first (fake) cluster if no cluster found in ESD
792 // get number of the first hit chamber according to the MUONClusterMap
794 while (firstCh < 10 && !esdTrack.IsInMuonClusterMap(firstCh)) firstCh++;
796 // produce fake cluster at this chamber
797 cluster->SetUniqueID(AliMUONVCluster::BuildUniqueID(firstCh, 0, 0));
798 cluster->SetXYZ(param.GetNonBendingCoor(), param.GetBendingCoor(), param.GetZ());
799 cluster->SetErrXY(0., 0.);
801 // add track parameters at first (fake) cluster
802 track.AddTrackParamAtCluster(param, *cluster, kTRUE);
806 // set the MC label from ESD track
807 track.SetMCLabel(esdTrack.GetLabel());
813 //_____________________________________________________________________________
814 void AliMUONESDInterface::ESDToMUON(const AliESDMuonTrack& esdTrack, AliMUONLocalTrigger& locTrg)
816 /// Transfert trigger data from ESDMuon track to the MUONLocalTtrigger object
818 // if the ESDMuon track is a ghost then return an empty MUON track
819 if (!esdTrack.ContainTriggerData()) {
820 AliMUONLocalTrigger emptyLocTrg;
821 locTrg = emptyLocTrg;
825 locTrg.SetUniqueID(esdTrack.GetUniqueID());
826 locTrg.SetLoCircuit(esdTrack.LoCircuit());
827 locTrg.SetLoStripX(esdTrack.LoStripX());
828 locTrg.SetLoStripY(esdTrack.LoStripY());
829 locTrg.SetDeviation(esdTrack.LoDev());
830 locTrg.SetLoLpt(esdTrack.LoLpt());
831 locTrg.SetLoHpt(esdTrack.LoHpt());
832 locTrg.SetTriggerWithoutChamber(esdTrack.GetTriggerWithoutChamber());
833 locTrg.SetLoTrigY(1);
834 locTrg.SetX1Pattern(esdTrack.GetTriggerX1Pattern());
835 locTrg.SetX2Pattern(esdTrack.GetTriggerX2Pattern());
836 locTrg.SetX3Pattern(esdTrack.GetTriggerX3Pattern());
837 locTrg.SetX4Pattern(esdTrack.GetTriggerX4Pattern());
838 locTrg.SetY1Pattern(esdTrack.GetTriggerY1Pattern());
839 locTrg.SetY2Pattern(esdTrack.GetTriggerY2Pattern());
840 locTrg.SetY3Pattern(esdTrack.GetTriggerY3Pattern());
841 locTrg.SetY4Pattern(esdTrack.GetTriggerY4Pattern());
845 //_____________________________________________________________________________
846 void AliMUONESDInterface::ESDToMUON(const AliESDMuonCluster& esdCluster, AliMUONVCluster& cluster)
848 /// Transfert data from ESDMuon cluster to MUON cluster
852 cluster.SetUniqueID(esdCluster.GetUniqueID());
853 cluster.SetXYZ(esdCluster.GetX(), esdCluster.GetY(), esdCluster.GetZ());
854 cluster.SetErrXY(esdCluster.GetErrX(),esdCluster.GetErrY());
855 cluster.SetCharge(esdCluster.GetCharge());
856 cluster.SetChi2(esdCluster.GetChi2());
857 cluster.SetMCLabel(esdCluster.GetLabel());
859 cluster.SetDigitsId(esdCluster.GetNPads(), esdCluster.GetPadsId());
863 //___________________________________________________________________________
864 void AliMUONESDInterface::ESDToMUON(const AliESDMuonPad& esdPad, AliMUONVDigit& digit)
866 /// Transfert data from ESDMuon pad to MUON digit
867 /// Load mapping from OCDB if not already set
869 if (!AliMpSegmentation::Instance(kFALSE) && !AliMUONCDB::LoadMapping(kTRUE))
870 AliFatalClass("mapping segmentation has not been set!");
872 const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->GetMpSegmentationByElectronics(esdPad.GetDetElemId(), esdPad.GetManuId());
873 AliMpPad pad = seg->PadByLocation(esdPad.GetManuId(), esdPad.GetManuChannel(), kFALSE);
875 digit.Saturated(esdPad.IsSaturated());
877 digit.Calibrated(esdPad.IsCalibrated());
878 digit.SetUniqueID(esdPad.GetUniqueID());
879 digit.SetCharge(esdPad.GetCharge());
880 digit.SetADC(esdPad.GetADC());
881 digit.SetPadXY(pad.GetIx(), pad.GetIy());
885 //_____________________________________________________________________________
886 void AliMUONESDInterface::MUONToESD(const AliMUONTrack& track, AliESDEvent& esd, const Double_t vertex[3],
887 const AliMUONVDigitStore* digits, const AliMUONLocalTrigger* locTrg)
889 /// Transfert data from MUON track to ESD event (ESDTrack + ESDClusters)
890 /// Incorporate the ESDPads if the digits are provided
891 /// Add trigger info if the MUON track is matched with a trigger track
893 // transfert track info
894 AliESDMuonTrack *esdTrack = esd.NewMuonTrack();
895 MUONToESD(track, *esdTrack, vertex, locTrg);
897 // transfert cluster info if any
898 for (Int_t i = 0; i < track.GetNClusters(); i++) {
899 AliMUONTrackParam *param = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->UncheckedAt(i));
900 MUONToESD(*(param->GetClusterPtr()), esd, digits);
905 //_____________________________________________________________________________
906 void AliMUONESDInterface::MUONToESD(const AliMUONTrack& track, AliESDMuonTrack& esdTrack,
907 const Double_t vertex[3], const AliMUONLocalTrigger* locTrg)
909 /// Transfert data from MUON track to ESDMuon track (ESDMuon track only contains clusters'Id, not cluster themselves)
910 /// Add trigger info if the MUON track is matched with a trigger track
912 // empty MUON track -> produce a ghost ESDMuon track if trigger info are available otherwise produce an empty track
913 if (track.GetNClusters() == 0) {
914 if (locTrg) MUONToESD(*locTrg, esdTrack, track.GetUniqueID());
916 cout<<"W-AliMUONESDInterface::MUONToESD: will produce an empty ESDMuon track"<<endl;
918 esdTrack.SetUniqueID(0xFFFFFFFF);
926 esdTrack.SetUniqueID(track.GetUniqueID());
927 esdTrack.SetChi2(track.GetGlobalChi2());
928 esdTrack.SetLabel(track.GetMCLabel());
930 // set param at first cluster
931 AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>((track.GetTrackParamAtCluster())->First());
932 SetParamAtFirstCluster(*trackParam, esdTrack);
933 SetParamCov(*trackParam, esdTrack);
935 // set transverse position at the end of the absorber
936 AliMUONTrackParam trackParamAtAbsEnd(*trackParam);
937 AliMUONTrackExtrap::ExtrapToZ(&trackParamAtAbsEnd, AliMUONConstants::AbsZEnd());
938 Double_t xAbs = trackParamAtAbsEnd.GetNonBendingCoor();
939 Double_t yAbs = trackParamAtAbsEnd.GetBendingCoor();
940 esdTrack.SetRAtAbsorberEnd(TMath::Sqrt(xAbs*xAbs + yAbs*yAbs));
942 // set param at vertex
943 AliMUONTrackParam trackParamAtVtx(*trackParam);
944 AliMUONTrackExtrap::ExtrapToVertex(&trackParamAtVtx, vertex[0], vertex[1], vertex[2], 0., 0.);
945 SetParamAtVertex(trackParamAtVtx, esdTrack);
947 // set param at Distance of Closest Approach
948 AliMUONTrackParam trackParamAtDCA(*trackParam);
949 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(&trackParamAtDCA, vertex[2]);
950 SetParamAtDCA(trackParamAtDCA, esdTrack);
952 // set muon cluster info
953 esdTrack.SetMuonClusterMap(0);
955 AliMUONVCluster *cluster = trackParam->GetClusterPtr();
956 esdTrack.AddClusterId(cluster->GetUniqueID());
957 esdTrack.AddInMuonClusterMap(cluster->GetChamberId());
958 trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
961 // set connected flag
962 esdTrack.Connected(track.IsConnected());
965 esdTrack.SetLocalTrigger(track.GetLocalTrigger());
966 esdTrack.SetChi2MatchTrigger(track.GetChi2MatchTrigger());
967 esdTrack.SetHitsPatternInTrigCh(track.GetHitsPatternInTrigCh());
968 esdTrack.SetHitsPatternInTrigChTrk(track.GetHitsPatternInTrigChTrk());
970 esdTrack.SetTriggerX1Pattern(locTrg->GetX1Pattern());
971 esdTrack.SetTriggerY1Pattern(locTrg->GetY1Pattern());
972 esdTrack.SetTriggerX2Pattern(locTrg->GetX2Pattern());
973 esdTrack.SetTriggerY2Pattern(locTrg->GetY2Pattern());
974 esdTrack.SetTriggerX3Pattern(locTrg->GetX3Pattern());
975 esdTrack.SetTriggerY3Pattern(locTrg->GetY3Pattern());
976 esdTrack.SetTriggerX4Pattern(locTrg->GetX4Pattern());
977 esdTrack.SetTriggerY4Pattern(locTrg->GetY4Pattern());
979 esdTrack.SetTriggerX1Pattern(0);
980 esdTrack.SetTriggerY1Pattern(0);
981 esdTrack.SetTriggerX2Pattern(0);
982 esdTrack.SetTriggerY2Pattern(0);
983 esdTrack.SetTriggerX3Pattern(0);
984 esdTrack.SetTriggerY3Pattern(0);
985 esdTrack.SetTriggerX4Pattern(0);
986 esdTrack.SetTriggerY4Pattern(0);
991 //_____________________________________________________________________________
992 void AliMUONESDInterface::MUONToESD(const AliMUONLocalTrigger& locTrg, AliESDEvent& esd,
993 UInt_t trackId, const AliMUONTriggerTrack* triggerTrack)
995 /// Add in ESD event a ghost ESDMuon track containing only informations about trigger track
996 AliESDMuonTrack *esdTrack = esd.NewMuonTrack();
997 MUONToESD(locTrg, *esdTrack, trackId, triggerTrack);
1000 //_____________________________________________________________________________
1001 void AliMUONESDInterface::MUONToESD(const AliMUONLocalTrigger& locTrg, AliESDMuonTrack& esdTrack,
1002 UInt_t trackId, const AliMUONTriggerTrack* triggerTrack)
1004 /// Build ghost ESDMuon track containing only informations about trigger track
1007 esdTrack.SetUniqueID(trackId);
1010 AliMUONTrack muonTrack;
1011 muonTrack.SetLocalTrigger(locTrg.LoCircuit(),
1014 locTrg.GetDeviation(),
1017 locTrg.GetTriggerWithoutChamber());
1018 esdTrack.SetLocalTrigger(muonTrack.GetLocalTrigger());
1019 esdTrack.SetChi2MatchTrigger(0.);
1020 esdTrack.SetTriggerX1Pattern(locTrg.GetX1Pattern());
1021 esdTrack.SetTriggerY1Pattern(locTrg.GetY1Pattern());
1022 esdTrack.SetTriggerX2Pattern(locTrg.GetX2Pattern());
1023 esdTrack.SetTriggerY2Pattern(locTrg.GetY2Pattern());
1024 esdTrack.SetTriggerX3Pattern(locTrg.GetX3Pattern());
1025 esdTrack.SetTriggerY3Pattern(locTrg.GetY3Pattern());
1026 esdTrack.SetTriggerX4Pattern(locTrg.GetX4Pattern());
1027 esdTrack.SetTriggerY4Pattern(locTrg.GetY4Pattern());
1028 UShort_t hitPattern = 0;
1029 esdTrack.SetHitsPatternInTrigChTrk(hitPattern);
1031 hitPattern = triggerTrack->GetHitsPatternInTrigCh();
1032 esdTrack.SetHitsPatternInTrigCh(hitPattern);
1033 esdTrack.SetThetaXUncorrected(triggerTrack->GetThetax());
1034 esdTrack.SetThetaYUncorrected(triggerTrack->GetThetay());
1035 esdTrack.SetNonBendingCoorUncorrected(triggerTrack->GetX11());
1036 esdTrack.SetBendingCoorUncorrected(triggerTrack->GetY11());
1037 esdTrack.SetZUncorrected(triggerTrack->GetZ11());
1041 //_____________________________________________________________________________
1042 void AliMUONESDInterface::MUONToESD(const AliMUONVCluster& cluster, AliESDEvent& esd, const AliMUONVDigitStore* digits)
1044 /// Transfert data from MUON cluster to ESD event if it does not already exist
1045 /// Also transfert digits'Id to cluster and digits to ESD if they are provided
1047 AliESDMuonCluster *esdCluster = esd.FindMuonCluster(cluster.GetUniqueID());
1048 if (!esdCluster) esdCluster = esd.NewMuonCluster();
1049 else if (!digits || esdCluster->GetNPads() > 0) return;
1053 MUONToESD(cluster, *esdCluster, kTRUE);
1055 for (Int_t i=0; i<cluster.GetNDigits(); i++) {
1056 AliMUONVDigit* digit = digits->FindObject(cluster.GetDigitId(i));
1058 AliErrorClass(Form("digit %u not found", cluster.GetDigitId(i)));
1061 MUONToESD(*digit, esd);
1066 MUONToESD(cluster, *esdCluster, kFALSE);
1072 //_____________________________________________________________________________
1073 void AliMUONESDInterface::MUONToESD(const AliMUONVCluster& cluster, AliESDMuonCluster& esdCluster, Bool_t copyPadsId)
1075 /// Transfert data from MUON cluster to ESDMuon cluster
1076 /// Also transfert digits'Is if required
1078 esdCluster.Clear("C");
1080 esdCluster.SetUniqueID(cluster.GetUniqueID());
1081 esdCluster.SetXYZ(cluster.GetX(), cluster.GetY(), cluster.GetZ());
1082 esdCluster.SetErrXY(cluster.GetErrX(), cluster.GetErrY());
1083 esdCluster.SetCharge(cluster.GetCharge());
1084 esdCluster.SetChi2(cluster.GetChi2());
1085 esdCluster.SetLabel(cluster.GetMCLabel());
1087 if (copyPadsId) esdCluster.SetPadsId(cluster.GetNDigits(), cluster.GetDigitsId());
1091 //_____________________________________________________________________________
1092 void AliMUONESDInterface::MUONToESD(const AliMUONVDigit& digit, AliESDEvent& esd)
1094 /// Transfert data from MUON digit to ESD event if it does not already exist
1095 if (esd.FindMuonPad(digit.GetUniqueID())) return;
1096 AliESDMuonPad *esdPad = esd.NewMuonPad();
1097 MUONToESD(digit, *esdPad);
1100 //_____________________________________________________________________________
1101 void AliMUONESDInterface::MUONToESD(const AliMUONVDigit& digit, AliESDMuonPad& esdPad)
1103 /// Transfert data from MUON digit to ESDMuon pad
1104 esdPad.SetUniqueID(digit.GetUniqueID());
1105 esdPad.SetADC(digit.ADC());
1106 esdPad.SetCharge(digit.Charge());
1107 esdPad.SetCalibrated(digit.IsCalibrated());
1108 esdPad.SetSaturated(digit.IsSaturated());
1111 //___________________________________________________________________________
1112 AliMUONTrack* AliMUONESDInterface::Add(const AliESDMuonTrack& esdTrack, AliMUONVTrackStore& trackStore, Bool_t refit)
1114 /// Create MUON track from ESDMuon track and add it to the store
1115 /// Track parameters at each clusters are recomputed or not depending on the flag "refit"
1116 /// return a pointer to the track into the store (0x0 if the track already exist)
1117 if(trackStore.FindObject(esdTrack.GetUniqueID())) return 0x0;
1118 AliMUONTrack* track = trackStore.Add(AliMUONTrack());
1119 ESDToMUON(esdTrack, *track, refit);
1123 //___________________________________________________________________________
1124 void AliMUONESDInterface::Add(const AliESDMuonTrack& esdTrack, AliMUONVTriggerStore& triggerStore)
1126 /// Create MUON local trigger from ESDMuon track and add it to the store if not already there
1127 if (!triggerStore.FindLocal(esdTrack.LoCircuit())->IsNull()) return;
1128 AliMUONLocalTrigger locTrg;
1129 ESDToMUON(esdTrack, locTrg);
1130 triggerStore.Add(locTrg);
1133 //___________________________________________________________________________
1134 AliMUONVCluster* AliMUONESDInterface::Add(const AliESDMuonCluster& esdCluster, AliMUONVClusterStore& clusterStore)
1136 /// Create MUON cluster from ESDMuon cluster and add it to the store
1137 /// return a pointer to the cluster into the store (0x0 if the cluster already exist)
1138 AliMUONVCluster* cluster = clusterStore.Add(esdCluster.GetChamberId(), esdCluster.GetDetElemId(), esdCluster.GetClusterIndex());
1139 if (cluster) ESDToMUON(esdCluster, *cluster);
1143 //___________________________________________________________________________
1144 AliMUONVDigit* AliMUONESDInterface::Add(const AliESDMuonPad& esdPad, AliMUONVDigitStore& digitStore)
1146 /// Create MUON digit from ESDMuon digit and add it to the store
1147 /// return a pointer to the digit into the store (0x0 if the digit already exist)
1148 AliMUONVDigit* digit = digitStore.Add(esdPad.GetDetElemId(), esdPad.GetManuId(), esdPad.GetManuChannel(), esdPad.GetCathode(), AliMUONVDigitStore::kDeny);
1149 if (digit) ESDToMUON(esdPad, *digit);