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df9db588 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2007, 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 | // AOD base class | |
20 | // Author: Markus Oldenburg, CERN | |
21 | //------------------------------------------------------------------------- | |
22 | ||
23 | #include "AliAODEvent.h" | |
24 | #include "AliAODHeader.h" | |
25 | #include "AliAODTrack.h" | |
26 | ||
27 | ClassImp(AliAODEvent) | |
28 | ||
29 | //______________________________________________________________________________ | |
30 | AliAODEvent::AliAODEvent() : | |
31 | fAODObjects(new TList()), | |
32 | fHeader((AliAODHeader*)fAODObjects->At(0)), | |
33 | fTracks((TClonesArray*)fAODObjects->At(1)), | |
34 | fVertices((TClonesArray*)fAODObjects->At(2)), | |
a9255000 | 35 | fClusters((TClonesArray*)fAODObjects->At(3)), |
df9db588 | 36 | fJets((TClonesArray*)fAODObjects->At(4)) |
37 | { | |
38 | // default constructor | |
39 | } | |
40 | ||
41 | //______________________________________________________________________________ | |
42 | AliAODEvent::~AliAODEvent() | |
43 | { | |
44 | // destructor | |
45 | ||
46 | delete fAODObjects; | |
47 | } | |
48 | ||
49 | //______________________________________________________________________________ | |
50 | void AliAODEvent::AddObject(TObject* obj) | |
51 | { | |
52 | // Add an object to the list of object. | |
53 | // Please be aware that in order to increase performance you should | |
54 | // refrain from using TObjArrays (if possible). Use TClonesArrays, instead. | |
55 | ||
56 | fAODObjects->AddLast(obj); | |
57 | } | |
58 | ||
59 | //______________________________________________________________________________ | |
60 | TObject *AliAODEvent::GetObject(const char *objName) const | |
61 | { | |
62 | // Return the pointer to the object with the given name. | |
63 | ||
64 | return fAODObjects->FindObject(objName); | |
65 | } | |
66 | ||
67 | //______________________________________________________________________________ | |
68 | void AliAODEvent::CreateStdContent() | |
69 | { | |
70 | // create the standard AOD content and set pointers | |
71 | ||
72 | // create standard objects and add them to the TList of objects | |
73 | AddObject(new AliAODHeader()); | |
74 | AddObject(new TClonesArray("AliAODTrack", 0)); | |
75 | AddObject(new TClonesArray("AliAODVertex", 0)); | |
a9255000 | 76 | AddObject(new TClonesArray("AliAODCluster", 0)); |
df9db588 | 77 | AddObject(new TClonesArray("AliAODJet", 0)); |
78 | ||
79 | // read back pointers | |
80 | GetStdContent(); | |
81 | ||
82 | // set names | |
83 | fTracks->SetName("tracks"); | |
84 | fVertices->SetName("vertices"); | |
31fd97b2 | 85 | fClusters->SetName("clusters"); |
df9db588 | 86 | fJets->SetName("jets"); |
87 | ||
88 | } | |
89 | ||
90 | //______________________________________________________________________________ | |
91 | void AliAODEvent::GetStdContent() const | |
92 | { | |
93 | // set pointers for standard content | |
94 | ||
95 | fHeader = (AliAODHeader*)fAODObjects->At(0); | |
96 | fTracks = (TClonesArray*)fAODObjects->At(1); | |
97 | fVertices = (TClonesArray*)fAODObjects->At(2); | |
a9255000 | 98 | fClusters = (TClonesArray*)fAODObjects->At(3); |
df9db588 | 99 | fJets = (TClonesArray*)fAODObjects->At(4); |
100 | } | |
101 | ||
102 | //______________________________________________________________________________ | |
103 | void AliAODEvent::ResetStd(Int_t trkArrSize, Int_t vtxArrSize) | |
104 | { | |
105 | // deletes content of standard arrays and resets size | |
106 | fTracks->Delete(); | |
107 | if (trkArrSize > fTracks->GetSize()) | |
108 | fTracks->Expand(trkArrSize); | |
109 | ||
110 | fVertices->Delete(); | |
111 | if (vtxArrSize > fVertices->GetSize()) | |
112 | fVertices->Expand(vtxArrSize); | |
113 | } | |
114 | ||
fb41236c | 115 | //______________________________________________________________________________ |
116 | Int_t AliAODEvent::GetMuonTracks(TRefArray *muonTracks) const | |
117 | { | |
118 | // fills the provided TRefArray with all found muon tracks | |
df9db588 | 119 | |
fb41236c | 120 | muonTracks->Clear(); |
df9db588 | 121 | |
fb41236c | 122 | AliAODTrack *track = 0; |
123 | for (Int_t iTrack = 0; iTrack < GetNTracks(); iTrack++) { | |
124 | if ((track = GetTrack(iTrack))->GetMostProbablePID() == AliAODTrack::kMuon) { | |
125 | muonTracks->Add(track); | |
126 | } | |
127 | } | |
128 | ||
129 | return muonTracks->GetSize(); | |
130 | } |