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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 <TTree.h> | |
24 | ||
25 | #include "AliAODEvent.h" | |
26 | #include "AliAODHeader.h" | |
27 | #include "AliAODTrack.h" | |
28 | ||
29 | ClassImp(AliAODEvent) | |
30 | ||
31 | // definition of std AOD member names | |
32 | const char* AliAODEvent::fAODListName[kAODListN] = {"header", | |
33 | "tracks", | |
34 | "vertices", | |
35 | "clusters", | |
36 | "jets", | |
37 | "tracklets"}; | |
38 | //______________________________________________________________________________ | |
39 | AliAODEvent::AliAODEvent() : | |
40 | AliVEvent(), | |
41 | fAODObjects(new TList()), | |
42 | fHeader(0), | |
43 | fTracks(0), | |
44 | fVertices(0), | |
45 | fClusters(0), | |
46 | fJets(0), | |
47 | fTracklets(0) | |
48 | { | |
49 | // default constructor | |
50 | } | |
51 | ||
52 | //______________________________________________________________________________ | |
53 | AliAODEvent::~AliAODEvent() | |
54 | { | |
55 | // destructor | |
56 | delete fAODObjects; | |
57 | } | |
58 | ||
59 | //______________________________________________________________________________ | |
60 | void AliAODEvent::AddObject(TObject* obj) | |
61 | { | |
62 | // Add an object to the list of object. | |
63 | // Please be aware that in order to increase performance you should | |
64 | // refrain from using TObjArrays (if possible). Use TClonesArrays, instead. | |
65 | ||
66 | fAODObjects->AddLast(obj); | |
67 | } | |
68 | ||
69 | //______________________________________________________________________________ | |
70 | TObject *AliAODEvent::FindListObject(const char *objName) | |
71 | { | |
72 | // Return the pointer to the object with the given name. | |
73 | ||
74 | return fAODObjects->FindObject(objName); | |
75 | } | |
76 | ||
77 | //______________________________________________________________________________ | |
78 | void AliAODEvent::CreateStdContent() | |
79 | { | |
80 | // create the standard AOD content and set pointers | |
81 | ||
82 | // create standard objects and add them to the TList of objects | |
83 | AddObject(new AliAODHeader()); | |
84 | AddObject(new TClonesArray("AliAODTrack", 0)); | |
85 | AddObject(new TClonesArray("AliAODVertex", 0)); | |
86 | AddObject(new TClonesArray("AliAODCluster", 0)); | |
87 | AddObject(new TClonesArray("AliAODJet", 0)); | |
88 | AddObject(new AliAODTracklets()); | |
89 | ||
90 | // set names | |
91 | SetStdNames(); | |
92 | ||
93 | // read back pointers | |
94 | GetStdContent(); | |
95 | ||
96 | return; | |
97 | } | |
98 | ||
99 | //______________________________________________________________________________ | |
100 | void AliAODEvent::SetStdNames() | |
101 | { | |
102 | // introduce the standard naming | |
103 | ||
104 | if(fAODObjects->GetEntries()==kAODListN){ | |
105 | for(int i = 0;i < fAODObjects->GetEntries();i++){ | |
106 | TObject *fObj = fAODObjects->At(i); | |
107 | if(fObj->InheritsFrom("TNamed")){ | |
108 | ((TNamed*)fObj)->SetName(fAODListName[i]); | |
109 | } | |
110 | else if(fObj->InheritsFrom("TClonesArray")){ | |
111 | ((TClonesArray*)fObj)->SetName(fAODListName[i]); | |
112 | } | |
113 | } | |
114 | } | |
115 | else{ | |
116 | printf("%s:%d SetStdNames() Wrong number of Std Entries \n",(char*)__FILE__,__LINE__); | |
117 | } | |
118 | } | |
119 | ||
120 | //______________________________________________________________________________ | |
121 | void AliAODEvent::GetStdContent() | |
122 | { | |
123 | // set pointers for standard content | |
124 | ||
125 | fHeader = (AliAODHeader*)fAODObjects->FindObject("header"); | |
126 | fTracks = (TClonesArray*)fAODObjects->FindObject("tracks"); | |
127 | fVertices = (TClonesArray*)fAODObjects->FindObject("vertices"); | |
128 | fClusters = (TClonesArray*)fAODObjects->FindObject("clusters"); | |
129 | fJets = (TClonesArray*)fAODObjects->FindObject("jets"); | |
130 | fTracklets = (AliAODTracklets*)fAODObjects->FindObject("tracklets"); | |
131 | ||
132 | /* old implementation | |
133 | fHeader = (AliAODHeader*)fAODObjects->At(0); | |
134 | fTracks = (TClonesArray*)fAODObjects->At(1); | |
135 | fVertices = (TClonesArray*)fAODObjects->At(2); | |
136 | fClusters = (TClonesArray*)fAODObjects->At(3); | |
137 | fJets = (TClonesArray*)fAODObjects->At(4); | |
138 | fTracklets = (AliAODTracklets*)fAODObjects->At(5); | |
139 | */ | |
140 | } | |
141 | ||
142 | //______________________________________________________________________________ | |
143 | void AliAODEvent::ResetStd(Int_t trkArrSize, Int_t vtxArrSize) | |
144 | { | |
145 | // deletes content of standard arrays and resets size | |
146 | fTracks->Delete(); | |
147 | if (trkArrSize > fTracks->GetSize()) | |
148 | fTracks->Expand(trkArrSize); | |
149 | ||
150 | fVertices->Delete(); | |
151 | if (vtxArrSize > fVertices->GetSize()) | |
152 | fVertices->Expand(vtxArrSize); | |
153 | } | |
154 | ||
155 | void AliAODEvent::ClearStd() | |
156 | { | |
157 | // clears the standard arrays | |
158 | fTracks ->Clear(); | |
159 | fVertices ->Clear(); | |
160 | fClusters ->Clear(); | |
161 | fJets ->Clear(); | |
162 | fTracklets->DeleteContainer(); | |
163 | } | |
164 | ||
165 | //______________________________________________________________________________ | |
166 | Int_t AliAODEvent::GetMuonTracks(TRefArray *muonTracks) const | |
167 | { | |
168 | // fills the provided TRefArray with all found muon tracks | |
169 | ||
170 | muonTracks->Clear(); | |
171 | ||
172 | AliAODTrack *track = 0; | |
173 | for (Int_t iTrack = 0; iTrack < GetNTracks(); iTrack++) { | |
174 | if ((track = GetTrack(iTrack))->IsMuonTrack()) { | |
175 | muonTracks->Add(track); | |
176 | } | |
177 | } | |
178 | ||
179 | return muonTracks->GetSize(); | |
180 | } | |
181 | ||
182 | ||
183 | void AliAODEvent::ReadFromTree(TTree *tree) | |
184 | { | |
185 | // connects aod event to tree | |
186 | ||
187 | // load the TTree | |
188 | tree->LoadTree(0); | |
189 | ||
190 | fAODObjects = (TList*)((AliAODEvent*)tree->GetTree()->GetUserInfo()->FindObject("AliAODEvent"))->GetList(); | |
191 | TIter next(fAODObjects); | |
192 | TNamed *el; | |
193 | while((el=(TNamed*)next())){ | |
194 | TString bname(el->GetName()); | |
195 | tree->SetBranchAddress(bname.Data(),fAODObjects->GetObjectRef(el)); | |
196 | } | |
197 | GetStdContent(); | |
198 | } | |
199 | ||
200 | //______________________________________________________________________________ | |
201 | void AliAODEvent::Print(Option_t *) const | |
202 | { | |
203 | // Something meaningful should be implemented here. | |
204 | ||
205 | return; | |
206 | } |