PWG2/FLOW/AliFlowTasks/AliAnalysisTaskMCEventPlane.cxx

   1 /*************************************************************************
   2 * Copyright(c) 1998-2008, 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 #include "Riostream.h" //needed as include
  17 #include "TProfile.h"
  18 #include "TProfile2D.h"
  19 #include "TList.h"
  20
  21
  22 class AliAnalysisTaskSE;
  23 #include "AliAnalysisManager.h"
  24 #include "AliFlowEventSimple.h"
  25
  26
  27 #include "AliAnalysisTaskMCEventPlane.h"
  28 #include "AliFlowAnalysisWithMCEventPlane.h"
  29 #include "AliFlowCommonHist.h"
  30 #include "AliFlowCommonHistResults.h"
  31
  32 // AliAnalysisTaskMCEventPlane:
  33 //
  34 // analysis task for Monte Carlo Event Plane
  35 //
  36 // Author: Naomi van der Kolk (kolk@nikhef.nl)
  37
  38 ClassImp(AliAnalysisTaskMCEventPlane)
  39
  40 //________________________________________________________________________
  41 AliAnalysisTaskMCEventPlane::AliAnalysisTaskMCEventPlane(const char *name) :
  42   AliAnalysisTaskSE(name),
  43   fEvent(NULL),
  44   fMc(NULL),
  45   fListHistos(NULL),
  46   fEvaluateMixedHarmonics(kFALSE),
  47   fnBinsMult(10000),
  48   fMinMult(0.),
  49   fMaxMult(10000.),
  50   fNinCorrelator(2),
  51   fMinCorrelator(2),
  52   fXinPairAngle(0.5)
  53 {
  54   // Constructor
  55   cout<<"AliAnalysisTaskMCEventPlane::AliAnalysisTaskMCEventPlane(const char *name)"<<endl;
  56
  57   // Define input and output slots here
  58   // Input slot #0 works with a TChain
  59   DefineInput(0, AliFlowEventSimple::Class());
  60   // Output slot #0 writes into a TList container
  61   DefineOutput(1, TList::Class());
  62 }
  63
  64 //________________________________________________________________________
  65 AliAnalysisTaskMCEventPlane::AliAnalysisTaskMCEventPlane() :
  66   AliAnalysisTaskSE(),
  67   fEvent(NULL),
  68   fMc(NULL),
  69   fListHistos(NULL),
  70   fEvaluateMixedHarmonics(kFALSE),
  71   fnBinsMult(0),
  72   fMinMult(0.0),
  73   fMaxMult(0.0),
  74   fNinCorrelator(0),
  75   fMinCorrelator(0),
  76   fXinPairAngle(0.0)
  77 {
  78   // Constructor
  79   cout<<"AliAnalysisTaskMCEventPlane::AliAnalysisTaskMCEventPlane()"<<endl;
  80
  81 }
  82
  83 //________________________________________________________________________
  84 AliAnalysisTaskMCEventPlane::~AliAnalysisTaskMCEventPlane()
  85 {
  86
  87   //destructor
  88
  89 }
  90
  91 //________________________________________________________________________
  92 void AliAnalysisTaskMCEventPlane::UserCreateOutputObjects()
  93 {
  94   // Called once
  95   cout<<"AliAnalysisTaskMCEventPlane::CreateOutputObjects()"<<endl;
  96
  97   //Analyser
  98   fMc  = new AliFlowAnalysisWithMCEventPlane() ;
  99
 100   // Setters for mixed harmonics study:
 101   fMc->SetEvaluateMixedHarmonics(fEvaluateMixedHarmonics);
 102   fMc->SetNinCorrelator(fNinCorrelator);
 103   fMc->SetMinCorrelator(fMinCorrelator);
 104   fMc->SetXinPairAngle(fXinPairAngle);
 105   fMc->SetnBinsMult(fnBinsMult);
 106   fMc->SetMinMult(fMinMult);
 107   fMc->SetMaxMult(fMaxMult);
 108
 109   // Initialized:
 110   fMc-> Init();
 111
 112   if (fMc->GetHistList()) {
 113     //fMc->GetHistList()->Print();
 114     fListHistos = fMc->GetHistList();
 115     //fListHistos->Print();
 116   }
 117   else {Printf("ERROR: Could not retrieve histogram list"); }
 118
 119  PostData(1,fListHistos);
 120
 121 }
 122
 123 //________________________________________________________________________
 124 void AliAnalysisTaskMCEventPlane::UserExec(Option_t *)
 125 {
 126   // Main loop
 127   // Called for each event
 128
 129   fEvent = dynamic_cast<AliFlowEventSimple*>(GetInputData(0));
 130   if (fEvent){
 131     fMc->Make(fEvent);
 132   }
 133   else {
 134     cout << "Warning no input data!!!" << endl;
 135   }
 136
 137   PostData(1,fListHistos);
 138 }
 139
 140
 141 //________________________________________________________________________
 142 void AliAnalysisTaskMCEventPlane::Terminate(Option_t *)
 143 {
 144   // Called once at the end of the query
 145   AliFlowAnalysisWithMCEventPlane* fMcTerm = new AliFlowAnalysisWithMCEventPlane() ;
 146
 147   //Get output data
 148   fListHistos = (TList*)GetOutputData(1);
 149   if (fListHistos) {
 150     fMcTerm->GetOutputHistograms(fListHistos);
 151     fMcTerm->Finish();
 152     PostData(1,fListHistos);
 153   } else
 154     {
 155       cout << "histogram list pointer is empty" << endl;
 156     }
 157 }
 158