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 // -----------------------------------
19 // Class AliMUONClusterReconstructor
20 // ----------------------------------
21 // MUON cluster reconstructor for MUON
22 // Should implement a virtual class ClusterFinder to choose between VS and AZ method
24 #include "AliMUONClusterReconstructor.h"
25 #include "AliRun.h" // for gAlice
26 #include "AliRunLoader.h"
27 #include "AliLoader.h"
30 #include "AliMUONDigit.h"
31 #include "AliMUONConstants.h"
32 #include "AliMUONData.h"
33 #include "AliMUONClusterFinderVS.h"
34 #include "AliMUONClusterInput.h"
35 #include "AliMUONRawCluster.h"
37 #include "AliMpDEManager.h"
41 ClassImp(AliMUONClusterReconstructor) // Class implementation in ROOT context
43 //__________________________________________________________________________
44 AliMUONClusterReconstructor::AliMUONClusterReconstructor(AliMUONData* data)
47 fRecModel(new AliMUONClusterFinderVS()),
48 fDigitsCath0(new TClonesArray("AliMUONDigit",1000)),
49 fDigitsCath1(new TClonesArray("AliMUONDigit",1000))
51 /// Standard Constructor
53 fDigitsCath0->SetOwner(kTRUE);
54 fDigitsCath1->SetOwner(kTRUE);
57 //__________________________________________________________________________
58 AliMUONClusterReconstructor::~AliMUONClusterReconstructor(void)
67 //______________________________________________________________________________
69 AliMUONClusterReconstructor::ClusterizeOneDE(Int_t detElemId)
71 /// Clusterize one detection element, and let fMUONData know about
74 if ( fDigitsCath0->GetEntriesFast() || fDigitsCath1->GetEntriesFast() )
76 Int_t iChamber = AliMpDEManager::GetChamberId(detElemId);
77 AliMUONClusterInput::Instance()->SetDigits(iChamber, detElemId,
78 fDigitsCath0,fDigitsCath1);
79 AliDebug(3,Form("ClusterizeOneDE iChamber=%d DE=%d",iChamber,detElemId));
80 StdoutToAliDebug(3,cout << "DigitsCath0=" << endl;
81 fDigitsCath0->Print();
82 cout << "DigitsCath1=" << endl;
83 fDigitsCath1->Print(););
84 fRecModel->FindRawClusters();
86 // copy results into the output container
87 TClonesArray* tmp = fRecModel->GetRawClusters();
88 for (Int_t id = 0; id < tmp->GetEntriesFast(); ++id)
90 AliMUONRawCluster* pClus = (AliMUONRawCluster*) tmp->At(id);
91 fMUONData->AddRawCluster(iChamber, *pClus);
95 fDigitsCath0->Clear("C");
96 fDigitsCath1->Clear("C");
100 //____________________________________________________________________
101 void AliMUONClusterReconstructor::Digits2Clusters(Int_t chBeg)
103 /// Clusterize all the tracking chamber digits.
105 /// For each chamber, we loop *once* on that chamber digits, and store them
106 /// in 2 temporary arrays (one pair of arrays per detection element,
107 /// one array per cathode). Once a pair of arrays is full (i.e. all the digits
108 /// of that detection element have been stored), we clusterize this DE, and
109 /// move to the next one.
113 AliWarning("No reco model defined. Nothing to do...");
121 for ( iChamber = chBeg; iChamber < AliMUONConstants::NTrackingCh(); ++iChamber )
123 TClonesArray* muonDigits = fMUONData->Digits(iChamber);
125 Int_t ndig = muonDigits->GetEntriesFast();
128 muonDigits->Sort(); // the sort *must* be per DE (at least), otherwise
129 // the following logic with currentDE will fail.
131 currentDE = -1; // initialize the DE counter (that is used to track
132 // when we change of DE in the following loop over
133 // all digits) to an invalid value.
135 for ( Int_t k = 0; k < ndig; ++k )
137 AliMUONDigit* digit = (AliMUONDigit*) muonDigits->UncheckedAt(k);
138 if ( ! digit->Signal() > 0 ) continue; // skip void digits.
140 if ( digit->DetElemId() != currentDE )
142 AliDebug(3,Form("Switching DE from %d to %d",currentDE,digit->DetElemId()));
143 // we get to a new DE, so clusterize the previous one before
145 ClusterizeOneDE(currentDE);
146 currentDE = digit->DetElemId();
149 // Add the digit to the array with the right cathode number.
150 if (digit->Cathode() == 0)
152 new((*fDigitsCath0)[fDigitsCath0->GetLast()+1]) AliMUONDigit(*digit);
156 new((*fDigitsCath1)[fDigitsCath1->GetLast()+1]) AliMUONDigit(*digit);
158 } // end of loop on chamber digits
160 // As the above logic is based on detecting a change in DE number,
161 // the last DE of each chamber has not been clusterized, so we do
163 ClusterizeOneDE(currentDE);
164 } // end of loop over chambers
167 //_______________________________________________________________________
169 AliMUONClusterReconstructor::SetRecoModel(AliMUONClusterFinderVS* rec)
171 /// Set reconstruction model
177 //_______________________________________________________________________
178 void AliMUONClusterReconstructor::Trigger2Trigger()
180 /// Copy trigger from TreeD to TreeR
182 fMUONData->SetTreeAddress("GLT");
183 fMUONData->GetTriggerD();