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"
30 #include "AliAODEvent.h"
31 #include "AliAODHandler.h"
32 #include "AliMCEventHandler.h"
36 ClassImp(AliAnalysisTaskJets)
38 ////////////////////////////////////////////////////////////////////////
40 AliAnalysisTaskJets::AliAnalysisTaskJets():
50 // Default constructor
53 AliAnalysisTaskJets::AliAnalysisTaskJets(const char* name):
54 AliAnalysisTask(name, "AnalysisTaskJets"),
64 // Default constructor
65 DefineInput (0, TChain::Class());
66 DefineOutput(0, TTree::Class());
67 DefineOutput(1, TList::Class());
70 void AliAnalysisTaskJets::CreateOutputObjects()
72 // Create the output container
75 if (fDebug > 1) printf("AnalysisTaskJets::CreateOutPutData() \n");
76 AliAODHandler* handler = (AliAODHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
78 fAOD = handler->GetAOD();
79 fTreeA = handler->GetTree();
80 fJetFinder->ConnectAOD(fAOD);
84 fListOfHistos = new TList();
85 fHistos = new AliJetHistos();
86 fHistos->AddHistosToList(fListOfHistos);
89 void AliAnalysisTaskJets::Init()
92 if (fDebug > 1) printf("AnalysisTaskJets::Init() \n");
94 // Call configuration file
95 gROOT->LoadMacro("ConfigJetAnalysis.C");
96 fJetFinder = (AliJetFinder*) gInterpreter->ProcessLine("ConfigJetAnalysis()");
97 // Initialise Jet Analysis
99 // Write header information to local file
100 fJetFinder->WriteHeaders();
103 void AliAnalysisTaskJets::ConnectInputData(Option_t */*option*/)
105 // Connect the input data
106 if (fDebug > 1) printf("AnalysisTaskJets::ConnectInputData() \n");
107 fChain = (TChain*)GetInputData(0);
108 fESD = new AliESDEvent();
109 fESD->ReadFromTree(fChain);
111 AliMCEventHandler* mcTruth = (AliMCEventHandler*)
112 ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
114 fJetFinder->GetReader()->SetInputEvent(fESD, fAOD, mcTruth);
117 void AliAnalysisTaskJets::Exec(Option_t */*option*/)
119 // Execute analysis for current event
121 AliMCEventHandler* mctruth = (AliMCEventHandler*)
122 ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
124 AliStack* stack = mctruth->Stack();
125 printf("AliAnalysisTaskJets: Number of tracks on stack %5d\n", stack->GetNtrack());
128 AliESD* old = fESD->GetAliESDOld();
130 fESD->CopyFromOldESD();
133 Long64_t ientry = fChain->GetReadEntry();
134 if (fDebug > 1) printf("Analysing event # %5d\n", (Int_t) ientry);
135 fJetFinder->ProcessEvent(ientry);
137 // Fill control histos
138 fHistos->FillHistos(fAOD->GetJets());
142 PostData(1, fListOfHistos);
145 void AliAnalysisTaskJets::Terminate(Option_t */*option*/)
147 // Terminate analysis
149 if (fDebug > 1) printf("AnalysisJets: Terminate() \n");
150 // if (fJetFinder) fJetFinder->FinishRun();