FMD/analysis/AliFMDAnalysisTaskBackgroundCorrection.cxx

   1
   2 #include <TROOT.h>
   3 #include <TSystem.h>
   4 #include <TInterpreter.h>
   5 #include <TChain.h>
   6 #include <TFile.h>
   7 #include <TList.h>
   8 #include <iostream>
   9 #include "TH2F.h"
  10 #include "AliFMDAnalysisTaskBackgroundCorrection.h"
  11 #include "AliAnalysisManager.h"
  12 #include "AliESDFMD.h"
  13 #include "AliESDEvent.h"
  14 #include "AliAODEvent.h"
  15 #include "AliAODHandler.h"
  16 #include "AliMCEventHandler.h"
  17 #include "AliStack.h"
  18 #include "AliLog.h"
  19 #include "AliESDVertex.h"
  20 #include "TMath.h"
  21 #include "AliFMDAnaParameters.h"
  22 //#include "AliFMDGeometry.h"
  23
  24 ClassImp(AliFMDAnalysisTaskBackgroundCorrection)
  25
  26
  27 AliFMDAnalysisTaskBackgroundCorrection::AliFMDAnalysisTaskBackgroundCorrection()
  28 : fDebug(0),
  29   fOutputList(0),
  30   fInputList(0),
  31   fHitList(0),
  32   fVertexString(0x0),
  33   fNevents(),
  34   fStandalone(kTRUE),
  35   fOutputVertexString(0)
  36 {
  37   // Default constructor
  38   DefineInput (0, TList::Class());
  39   DefineOutput(0, TList::Class());
  40
  41 }
  42 //_____________________________________________________________________
  43 AliFMDAnalysisTaskBackgroundCorrection::AliFMDAnalysisTaskBackgroundCorrection(const char* name, Bool_t SE):
  44     AliAnalysisTask(name, "Density"),
  45     fDebug(0),
  46     fOutputList(0),
  47     fInputList(0),
  48     fHitList(0),
  49     fVertexString(0x0),
  50     fNevents(),
  51     fStandalone(kTRUE),
  52     fOutputVertexString(0)
  53 {
  54   fStandalone = SE;
  55   if(fStandalone) {
  56     DefineInput (0, TList::Class());
  57     DefineOutput(0, TList::Class());
  58   }
  59 }
  60 //_____________________________________________________________________
  61 void AliFMDAnalysisTaskBackgroundCorrection::CreateOutputObjects()
  62 {
  63   AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
  64
  65   if(!fOutputList)
  66     fOutputList = new TList();
  67   fOutputList->SetName("BackgroundCorrectedPerEvent");
  68   if(!fHitList)
  69     fHitList = new TList();
  70   fHitList->SetName("HitsList");
  71
  72   //if(fStandalone) {
  73   fOutputVertexString = new TObjString();
  74   // }
  75   fOutputList->Add(fOutputVertexString);
  76
  77
  78
  79   TH2F* hMult = 0;
  80   TH2F* hHits = 0;
  81   Int_t nVtxbins = pars->GetNvtxBins();
  82
  83   for(Int_t det =1; det<=3;det++)
  84     {
  85       Int_t nRings = (det==1 ? 1 : 2);
  86       for(Int_t ring = 0;ring<nRings;ring++)
  87         {
  88           Char_t ringChar = (ring == 0 ? 'I' : 'O');
  89           Int_t  nSec     = (ring == 0 ? 20 : 40);
  90
  91           for(Int_t i = 0; i< nVtxbins; i++) {
  92             TH2F* hBg = pars->GetBackgroundCorrection(det, ringChar, i);
  93             hMult  = new TH2F(Form("mult_FMD%d%c_vtxbin%d",det,ringChar,i),Form("mult_FMD%d%c_vtxbin%d",det,ringChar,i),
  94                               hBg->GetNbinsX(),
  95                               hBg->GetXaxis()->GetXmin(),
  96                               hBg->GetXaxis()->GetXmax(),
  97                               nSec, 0, 2*TMath::Pi());
  98             hMult->Sumw2();
  99             fOutputList->Add(hMult);
 100             hHits  = new TH2F(Form("hits_FMD%d%c_vtxbin%d",det,ringChar,i),Form("hits_FMD%d%c_vtxbin%d",det,ringChar,i),
 101                               hBg->GetNbinsX(),
 102                               hBg->GetXaxis()->GetXmin(),
 103                               hBg->GetXaxis()->GetXmax(),
 104                               nSec, 0, 2*TMath::Pi());
 105
 106             hHits->Sumw2();
 107             fHitList->Add(hHits);
 108             fOutputList->Add(hHits);
 109
 110           }
 111         }
 112     }
 113
 114
 115
 116 }
 117 //_____________________________________________________________________
 118 void AliFMDAnalysisTaskBackgroundCorrection::ConnectInputData(Option_t */*option*/)
 119 {
 120   if(fStandalone) {
 121     fInputList   = (TList*)GetInputData(0);
 122
 123   }
 124 }
 125 //_____________________________________________________________________
 126 void AliFMDAnalysisTaskBackgroundCorrection::Exec(Option_t */*option*/)
 127 {
 128   AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
 129
 130   fVertexString = (TObjString*)fInputList->At(0);
 131
 132   Int_t vtxbin   = fVertexString->GetString().Atoi();
 133   fOutputVertexString->SetString(Form("%d",vtxbin));
 134
 135   fNevents.Fill(vtxbin);
 136   //Reset everything
 137   for(UShort_t det=1;det<=3;det++) {
 138     Int_t nRings = (det==1 ? 1 : 2);
 139     for (UShort_t ir = 0; ir < nRings; ir++) {
 140       Char_t ringChar = (ir == 0 ? 'I' : 'O');
 141       TH2F* hMult = (TH2F*)fOutputList->FindObject(Form("mult_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
 142       hMult->Reset();
 143     }
 144
 145   }
 146
 147
 148
 149   for(UShort_t det=1;det<=3;det++) {
 150
 151     Int_t nRings = (det==1 ? 1 : 2);
 152     for (UShort_t ir = 0; ir < nRings; ir++) {
 153       Char_t ringChar = (ir == 0 ? 'I' : 'O');
 154
 155       TH2F* hMultTotal = (TH2F*)fOutputList->FindObject(Form("mult_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
 156
 157       TH2F* hMultInput = (TH2F*)fInputList->FindObject(Form("FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
 158       TH2F* hHits      = (TH2F*)fOutputList->FindObject(Form("hits_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
 159
 160       if(pars->GetProcessHits())
 161          hHits->Add(hMultInput);
 162
 163       TH2F* hBg        = pars->GetBackgroundCorrection(det, ringChar, vtxbin);
 164
 165       hMultTotal->Add(hMultInput);
 166
 167       hMultTotal->Divide(hBg);//,"B");
 168       /*for(Int_t i = 1; i<=hTmp->GetNbinsX();i++) {
 169         for(Int_t j = 1; j<=hTmp->GetNbinsY();j++) {
 170           Float_t mult = hTmp->GetBinContent(i,j);
 171           if(mult == 0) continue;
 172           Float_t correction = hBg->GetBinContent(i,j);
 173
 174           Float_t multcor = mult;
 175           if(correction != 0)
 176             multcor = multcor/correction;
 177           else
 178             std::cout<<"Warning! No correction for bin "<<i<<" , "<<j<<std::endl;
 179
 180           hTmp->SetBinContent(i,j,multcor);
 181         }
 182         }*/
 183     }
 184   }
 185   if(fStandalone) {
 186     PostData(0, fOutputList);
 187   }
 188
 189 }
 190 //_____________________________________________________________________
 191 void AliFMDAnalysisTaskBackgroundCorrection::Terminate(Option_t */*option*/) {
 192
 193
 194 }
 195 //_____________________________________________________________________
 196 //
 197 //
 198 // EOF