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 ///////////////////////////////////////////////////////////////////////////////
20 // Class for TRD reconstruction //
22 ///////////////////////////////////////////////////////////////////////////////
26 #include "AliRunLoader.h"
27 #include "AliRawReader.h"
29 #include "AliESDTrdTrack.h"
30 #include "AliESDEvent.h"
32 #include "AliTRDReconstructor.h"
33 #include "AliTRDclusterizer.h"
34 #include "AliTRDtracker.h"
35 #include "AliTRDpidESD.h"
36 #include "AliTRDgtuTrack.h"
37 #include "AliTRDrawData.h"
38 #include "AliTRDdigitsManager.h"
40 ClassImp(AliTRDReconstructor)
42 Bool_t AliTRDReconstructor::fgkSeedingOn = kFALSE;
43 Int_t AliTRDReconstructor::fgStreamLevel = 0; // Stream (debug) level
45 //_____________________________________________________________________________
46 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
47 , TTree *digitsTree) const
50 // Convert raw data digits into digit objects in a root tree
53 AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
55 AliTRDrawData rawData;
57 rawReader->Select("TRD");
58 AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
59 manager->MakeBranch(digitsTree);
60 manager->WriteDigits();
65 //_____________________________________________________________________________
66 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
67 , TTree *clusterTree) const
70 // Reconstruct clusters
73 AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
76 rawReader->Select("TRD");
78 // New (fast) cluster finder
79 AliTRDclusterizer clusterer("clusterer","TRD clusterizer");
80 clusterer.OpenOutput(clusterTree);
81 clusterer.SetAddLabels(kFALSE);
82 clusterer.Raw2ClustersChamber(rawReader);
86 //_____________________________________________________________________________
87 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
88 , TTree *clusterTree) const
91 // Reconstruct clusters
93 AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
95 AliTRDclusterizer clusterer("clusterer","TRD clusterizer");
96 clusterer.OpenOutput(clusterTree);
97 clusterer.ReadDigits(digitsTree);
98 clusterer.MakeClusters();
102 //_____________________________________________________________________________
103 AliTracker *AliTRDReconstructor::CreateTracker() const
106 // Create a TRD tracker
109 return new AliTRDtracker(NULL);
113 //_____________________________________________________________________________
114 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
115 , TTree* /*clusterTree*/
116 , AliESDEvent* /*esd*/) const