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397596ed | 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 | // Event handler for AOD input | |
20 | // Author: Andreas Morsch, CERN | |
21 | //------------------------------------------------------------------------- | |
22 | ||
3ba74948 | 23 | #include <TSystem.h> |
933fd60f | 24 | #include <TTree.h> |
26772015 | 25 | #include <TList.h> |
26 | #include <TNamed.h> | |
fb0cfe69 | 27 | #include <TFile.h> |
70908d05 | 28 | #include <TH2.h> |
397596ed | 29 | |
30 | #include "AliAODInputHandler.h" | |
31 | #include "AliAODEvent.h" | |
70908d05 | 32 | #include "AliVCuts.h" |
5e6a3170 | 33 | #include "AliMCEvent.h" |
9006fe9c | 34 | #include "AliAODpidUtil.h" |
397596ed | 35 | |
36 | ClassImp(AliAODInputHandler) | |
37 | ||
c2b6979d | 38 | static Option_t *gAODDataType = "AOD"; |
39 | ||
397596ed | 40 | //______________________________________________________________________________ |
41 | AliAODInputHandler::AliAODInputHandler() : | |
90e04a88 | 42 | AliInputEventHandler(), |
4195c9c9 | 43 | fEvent(0), |
8bf273e1 | 44 | fMCEvent(0), |
45 | fFriends(0), | |
9006fe9c | 46 | fAODpidUtil(0x0), |
1f842495 | 47 | fMergeEvents(kFALSE), |
abf59beb | 48 | fMergeTracks(kTRUE), |
49 | fMergeEMCALClusters(kTRUE), | |
50 | fMergePHOSClusters(kTRUE), | |
51 | fMergeEMCALCells(kTRUE), | |
720f7306 | 52 | fMergePHOSCells(kTRUE), |
53 | fMergeEMCALTrigger(kTRUE), | |
54 | fMergePHOSTrigger(kTRUE), | |
b541b806 | 55 | fMergeHMPIDrings(kTRUE), |
25c90fa8 | 56 | fFriendsConnected(kFALSE), |
1f842495 | 57 | fFileToMerge(0), |
58 | fTreeToMerge(0), | |
04daa8bf | 59 | fAODEventToMerge(0), |
60 | fMergeOffset(0) | |
397596ed | 61 | { |
26772015 | 62 | // Default constructor |
70908d05 | 63 | fHistStatistics[0] = fHistStatistics[1] = NULL; |
397596ed | 64 | } |
65 | ||
66 | //______________________________________________________________________________ | |
26772015 | 67 | AliAODInputHandler::AliAODInputHandler(const char* name, const char* title): |
68 | AliInputEventHandler(name, title), | |
69 | fEvent(0), | |
04a79fa0 | 70 | fMCEvent(new AliMCEvent()), |
1f842495 | 71 | fFriends(new TList()), |
9006fe9c | 72 | fAODpidUtil(0x0), |
1f842495 | 73 | fMergeEvents(kFALSE), |
abf59beb | 74 | fMergeTracks(kTRUE), |
75 | fMergeEMCALClusters(kTRUE), | |
76 | fMergePHOSClusters(kTRUE), | |
77 | fMergeEMCALCells(kTRUE), | |
78 | fMergePHOSCells(kTRUE), | |
720f7306 | 79 | fMergeEMCALTrigger(kTRUE), |
80 | fMergePHOSTrigger(kTRUE), | |
b541b806 | 81 | fMergeHMPIDrings(kTRUE), |
25c90fa8 | 82 | fFriendsConnected(kFALSE), |
1f842495 | 83 | fFileToMerge(0), |
84 | fTreeToMerge(0), | |
04daa8bf | 85 | fAODEventToMerge(0), |
86 | fMergeOffset(0) | |
397596ed | 87 | { |
26772015 | 88 | // Constructor |
70908d05 | 89 | fHistStatistics[0] = fHistStatistics[1] = NULL; |
397596ed | 90 | } |
91 | ||
92 | //______________________________________________________________________________ | |
26772015 | 93 | AliAODInputHandler::~AliAODInputHandler() |
397596ed | 94 | { |
26772015 | 95 | // Destructor |
cf011131 | 96 | if (fFriends) fFriends->Delete(); |
97 | delete fFriends; | |
d697d7a2 | 98 | delete fHistStatistics[0]; |
99 | delete fHistStatistics[1]; | |
9006fe9c | 100 | delete fAODpidUtil; |
397596ed | 101 | } |
102 | ||
70908d05 | 103 | //______________________________________________________________________________ |
b890a10d | 104 | Bool_t AliAODInputHandler::Init(TTree* tree, Option_t* opt) |
397596ed | 105 | { |
300d5701 | 106 | // Initialisation necessary for each new tree |
70908d05 | 107 | fTree = tree; |
70908d05 | 108 | if (!fTree) return kFALSE; |
32e5a29c | 109 | fTree->GetEntries(); |
25c90fa8 | 110 | ConnectFriends(); |
d329cad3 | 111 | |
25c90fa8 | 112 | SwitchOffBranches(); |
113 | SwitchOnBranches(); | |
4195c9c9 | 114 | |
25c90fa8 | 115 | // Get pointer to AOD event |
116 | if (!fEvent) fEvent = new AliAODEvent(); | |
117 | ||
118 | fEvent->ReadFromTree(fTree); | |
119 | ||
120 | if (fMixingHandler) fMixingHandler->Init(tree, opt); | |
121 | ||
122 | return kTRUE; | |
397596ed | 123 | } |
124 | ||
70908d05 | 125 | //______________________________________________________________________________ |
1f842495 | 126 | Bool_t AliAODInputHandler::BeginEvent(Long64_t entry) |
fbb264e0 | 127 | { |
5e6a3170 | 128 | // Begin event |
04a79fa0 | 129 | TClonesArray* mcParticles = (TClonesArray*) (fEvent->FindListObject("mcparticles")); |
cf011131 | 130 | if (mcParticles) { |
131 | if (!fMCEvent) fMCEvent = new AliMCEvent(); | |
132 | fMCEvent->SetParticleArray(mcParticles); | |
133 | } | |
3a50455f | 134 | // When merging, get current event number from GetReadEntry(), |
135 | // entry gives the events in the current file | |
136 | if (fTreeToMerge) fTreeToMerge->GetEntry(GetReadEntry() + fMergeOffset); | |
137 | ||
1ff1fbcb | 138 | if (fEventCuts) |
139 | fIsSelectedResult = fEventCuts->GetSelectionMask(fEvent); | |
140 | else | |
141 | fIsSelectedResult = fEvent->GetHeader()->GetOfflineTrigger(); | |
b890a10d | 142 | |
143 | if (fMixingHandler) fMixingHandler->BeginEvent(entry); | |
0c6c629b | 144 | |
fbb264e0 | 145 | return kTRUE; |
146 | } | |
147 | ||
70908d05 | 148 | //______________________________________________________________________________ |
b890a10d | 149 | Bool_t AliAODInputHandler::Notify(const char* path) |
150 | { | |
151 | // Notifaction of directory change | |
152 | if (fMixingHandler) fMixingHandler->Notify(path); | |
25c90fa8 | 153 | if (!fFriendsConnected) { |
154 | ConnectFriends(); | |
155 | fEvent->ReadFromTree(fTree, "reconnect"); | |
156 | } | |
157 | fFriendsConnected = kFALSE; | |
4cf1e5f2 | 158 | fUserInfo=fTree->GetTree()->GetUserInfo(); |
25c90fa8 | 159 | |
70908d05 | 160 | TTree *ttree = fTree->GetTree(); |
161 | if (!ttree) ttree = fTree; | |
f4de59f4 | 162 | TString statFname(ttree->GetCurrentFile()->GetName()); |
1c446360 | 163 | AliInfo(Form("Moving to file %s", statFname.Data())); |
f4de59f4 | 164 | Int_t indarchive = statFname.Index("#"); |
165 | if (indarchive<0) { | |
166 | statFname = gSystem->DirName(statFname); | |
167 | statFname += "/"; | |
168 | } else { | |
169 | statFname.Remove(indarchive+1); | |
170 | } | |
171 | statFname += "EventStat_temp.root"; | |
172 | TFile *statFile = 0; | |
173 | if (IsCheckStatistics()) statFile = TFile::Open(statFname, "READ"); | |
70908d05 | 174 | if (statFile) { |
175 | TList *list = (TList*)statFile->Get("cstatsout"); | |
176 | if (list) { | |
177 | AliVCuts *physSel = (AliVCuts*)list->At(0); | |
178 | if (physSel) { | |
179 | TH2F *hAll = dynamic_cast<TH2F*>(physSel->GetStatistics("ALL")); | |
180 | TH2F *hBin0 = dynamic_cast<TH2F*>(physSel->GetStatistics("BIN0")); | |
181 | if (fHistStatistics[0] && hAll) { | |
182 | TList tmplist; | |
183 | tmplist.Add(hAll); | |
184 | fHistStatistics[0]->Merge(&tmplist); | |
185 | tmplist.Clear(); | |
186 | tmplist.Add(hBin0); | |
187 | if (fHistStatistics[1] && hBin0) fHistStatistics[1]->Merge(&tmplist); | |
188 | } else { | |
de73700a | 189 | if (hAll && hBin0) { |
190 | fHistStatistics[0] = static_cast<TH2F*>(hAll->Clone()); | |
191 | fHistStatistics[1] = static_cast<TH2F*>(hBin0->Clone()); | |
192 | fHistStatistics[0]->SetDirectory(0); | |
193 | fHistStatistics[1]->SetDirectory(0); | |
194 | } | |
70908d05 | 195 | } |
196 | } | |
3ba74948 | 197 | delete list; |
70908d05 | 198 | } |
b8047d30 | 199 | delete statFile; |
70908d05 | 200 | } |
b890a10d | 201 | return kTRUE; |
202 | } | |
203 | ||
70908d05 | 204 | //______________________________________________________________________________ |
b890a10d | 205 | Bool_t AliAODInputHandler::FinishEvent() |
206 | { | |
207 | // Finish event | |
208 | if (fMixingHandler) fMixingHandler->FinishEvent(); | |
483ad248 | 209 | if (fEvent) fEvent->Reset(); |
b890a10d | 210 | return kTRUE; |
211 | } | |
212 | ||
70908d05 | 213 | //______________________________________________________________________________ |
26772015 | 214 | void AliAODInputHandler::AddFriend(char* filename) |
215 | { | |
216 | // Add a friend tree | |
217 | TNamed* obj = new TNamed(filename, filename); | |
cf011131 | 218 | if (!fFriends) fFriends = new TList(); |
26772015 | 219 | fFriends->Add(obj); |
220 | } | |
c2b6979d | 221 | |
70908d05 | 222 | //______________________________________________________________________________ |
c2b6979d | 223 | Option_t *AliAODInputHandler::GetDataType() const |
224 | { | |
225 | // Returns handled data type. | |
226 | return gAODDataType; | |
227 | } | |
70908d05 | 228 | |
229 | //______________________________________________________________________________ | |
230 | TObject *AliAODInputHandler::GetStatistics(Option_t *option) const | |
231 | { | |
232 | // Get the statistics histogram(s) from the physics selection object. This | |
233 | // should be called during FinishTaskOutput(). Option can be empty (default | |
234 | // statistics histogram) or BIN0. | |
235 | TString opt(option); | |
236 | opt.ToUpper(); | |
237 | if (opt=="BIN0") return fHistStatistics[1]; | |
238 | return fHistStatistics[0]; | |
239 | } | |
25c90fa8 | 240 | |
241 | void AliAODInputHandler::ConnectFriends() | |
242 | { | |
243 | // Connect the friend trees | |
cf011131 | 244 | if (!fFriends) return; |
25c90fa8 | 245 | if (!fMergeEvents) { |
246 | TIter next(fFriends); | |
247 | TNamed* obj; | |
248 | TString aodTreeFName,aodFriendTreeFName; | |
249 | TTree *ttree = fTree->GetTree(); | |
250 | if (!ttree) ttree = fTree; | |
3ae96aff | 251 | if(!ttree->GetCurrentFile()){ |
252 | AliWarning("Couldn't get current AOD file, not connecting friends"); | |
253 | return; | |
254 | } | |
25c90fa8 | 255 | aodTreeFName = ttree->GetCurrentFile()->GetName(); |
256 | ||
257 | while((obj = (TNamed*)next())) { | |
258 | aodFriendTreeFName = aodTreeFName; | |
fdbaa4ce | 259 | if (strlen(GetInputFileName())) aodFriendTreeFName.ReplaceAll(GetInputFileName(),obj->GetName()); |
25c90fa8 | 260 | aodFriendTreeFName.ReplaceAll("AliAOD.root",obj->GetName()); |
261 | aodFriendTreeFName.ReplaceAll("AliAODs.root",obj->GetName()); | |
262 | ttree->AddFriend("aodTree", aodFriendTreeFName.Data()); | |
263 | } | |
264 | } else { | |
265 | // Friends have to be merged | |
266 | TNamed* filename = (TNamed*) (fFriends->At(0)); | |
1fbe12d4 | 267 | fFileToMerge = TFile::Open(filename->GetName()); |
25c90fa8 | 268 | if (fFileToMerge) { |
269 | fFileToMerge->GetObject("aodTree", fTreeToMerge); | |
270 | if (!fAODEventToMerge) fAODEventToMerge = new AliAODEvent(); | |
271 | fAODEventToMerge->ReadFromTree(fTreeToMerge); | |
272 | } | |
273 | } | |
274 | fFriendsConnected = kTRUE; | |
275 | } | |
276 | ||
9006fe9c | 277 | //______________________________________________________________________________ |
278 | void AliAODInputHandler::CreatePIDResponse(Bool_t isMC/*=kFALSE*/) | |
279 | { | |
280 | // | |
281 | // create the pid response object if it does not exist yet | |
282 | // | |
283 | if (fAODpidUtil) return; | |
284 | fAODpidUtil=new AliAODpidUtil(isMC); | |
285 | ||
286 | } | |
287 |