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 **************************************************************************/
20 #include <TInterpreter.h>
25 #include "AliAnalysisTaskJets.h"
26 #include "AliAnalysisManager.h"
27 #include "AliJetFinder.h"
28 #include "AliJetHistos.h"
29 #include "AliESDEvent.h"
31 #include "AliAODEvent.h"
32 #include "AliAODHandler.h"
33 #include "AliMCEventHandler.h"
34 #include "AliMCEvent.h"
38 ClassImp(AliAnalysisTaskJets)
40 ////////////////////////////////////////////////////////////////////////
42 AliAnalysisTaskJets::AliAnalysisTaskJets():
52 // Default constructor
55 AliAnalysisTaskJets::AliAnalysisTaskJets(const char* name):
56 AliAnalysisTask(name, "AnalysisTaskJets"),
66 // Default constructor
67 DefineInput (0, TChain::Class());
68 DefineOutput(0, TTree::Class());
69 DefineOutput(1, TList::Class());
72 void AliAnalysisTaskJets::CreateOutputObjects()
74 // Create the output container
77 if (fDebug > 1) printf("AnalysisTaskJets::CreateOutPutData() \n");
78 AliAODHandler* handler = (AliAODHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
80 fAOD = handler->GetAOD();
81 fTreeA = handler->GetTree();
82 fJetFinder->ConnectAOD(fAOD);
86 fListOfHistos = new TList();
87 fHistos = new AliJetHistos();
88 fHistos->AddHistosToList(fListOfHistos);
91 void AliAnalysisTaskJets::Init()
94 if (fDebug > 1) printf("AnalysisTaskJets::Init() \n");
96 // Call configuration file
97 gROOT->LoadMacro("ConfigJetAnalysis.C");
98 fJetFinder = (AliJetFinder*) gInterpreter->ProcessLine("ConfigJetAnalysis()");
99 // Initialise Jet Analysis
101 // Write header information to local file
102 fJetFinder->WriteHeaders();
105 void AliAnalysisTaskJets::ConnectInputData(Option_t */*option*/)
107 // Connect the input data
108 if (fDebug > 1) printf("AnalysisTaskJets::ConnectInputData() \n");
109 fChain = (TChain*)GetInputData(0);
110 fESD = new AliESDEvent();
111 fESD->ReadFromTree(fChain);
113 AliMCEventHandler* mcTruth = (AliMCEventHandler*)
114 ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
116 fJetFinder->GetReader()->SetInputEvent(fESD, fAOD, mcTruth);
119 void AliAnalysisTaskJets::Exec(Option_t */*option*/)
121 // Execute analysis for current event
123 AliMCEventHandler* mctruth = (AliMCEventHandler*)
124 ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
126 AliStack* stack = mctruth->MCEvent()->Stack();
127 printf("AliAnalysisTaskJets: Number of tracks on stack %5d\n", stack->GetNtrack());
130 AliESD* old = fESD->GetAliESDOld();
132 fESD->CopyFromOldESD();
136 Long64_t ientry = fChain->GetReadEntry();
137 if (fDebug > 1) printf("Analysing event # %5d\n", (Int_t) ientry);
138 fJetFinder->ProcessEvent(ientry);
140 // Fill control histos
141 fHistos->FillHistos(fAOD->GetJets());
145 PostData(1, fListOfHistos);
148 void AliAnalysisTaskJets::Terminate(Option_t */*option*/)
150 // Terminate analysis
152 if (fDebug > 1) printf("AnalysisJets: Terminate() \n");
153 // if (fJetFinder) fJetFinder->FinishRun();