[u/mrichter/AliRoot.git] / PWGLF / FORWARD / analysis2 / AliCentralMCCorrectionsTask.cxx

// 
// Calculate the corrections in the central regions
// 
// Inputs: 
//   - AliESDEvent 
//
// Outputs: 
//   - AliAODCentralMult 
// 
// Histograms 
//   
// Corrections used 
// 
#include "AliCentralMCCorrectionsTask.h"
#include "AliTriggerAnalysis.h"
#include "AliPhysicsSelection.h"
#include "AliLog.h"
#include "AliHeader.h"
#include "AliGenEventHeader.h"
#include "AliESDEvent.h"
#include "AliAODHandler.h"
#include "AliMultiplicity.h"
#include "AliInputEventHandler.h"
#include "AliStack.h"
#include "AliMCEvent.h"
#include "AliAODForwardMult.h"
#include "AliCentralCorrSecondaryMap.h"
#include "AliCentralCorrAcceptance.h"
#include "AliForwardUtil.h"
#include "AliMultiplicity.h"
#include <TH1.h>
#include <TH2D.h>
#include <TDirectory.h>
#include <TList.h>
#include <TROOT.h>
#include <iostream>

//====================================================================
namespace {
  const char* GetEventName(Bool_t tr, Bool_t vtx) 
  {
    return Form("nEvents%s%s", (tr ? "Tr" : ""), (vtx ? "Vtx" : ""));
  }
}

//====================================================================
AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask()
  : AliAnalysisTaskSE(),
    fInspector(),
    fTrackDensity(),
    fVtxBins(0),
    fFirstEvent(true),
    fHEvents(0), 
    fHEventsTr(0), 
    fHEventsTrVtx(0),
    fVtxAxis(),
    fEtaAxis(),
    fList(),
    fNPhiBins(20),
    fEffectiveCorr(true)
{
  // 
  // Constructor 
  // 
  // Parameters:
  //    name Name of task 
  //
  DGUARD(fDebug,0,"Default construction of AliCentralMCCorrectionsTask");
}

//____________________________________________________________________
AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask(const char* name)
  : AliAnalysisTaskSE(name),
    fInspector("eventInspector"), 
    fTrackDensity("trackDensity"),
    fVtxBins(0),
    fFirstEvent(true),
    fHEvents(0), 
    fHEventsTr(0), 
    fHEventsTrVtx(0),
    fVtxAxis(10,-10,10), 
    fEtaAxis(200,-4,6),
    fList(),
    fNPhiBins(20),
    fEffectiveCorr(true)
{
  // 
  // Constructor 
  // 
  // Parameters:
  //    name Name of task 
  //
  DGUARD(fDebug,0,"Named construction of AliCentralMCCorrectionsTask: %s",name);
  DefineOutput(1, TList::Class());
  DefineOutput(2, TList::Class());
}

//____________________________________________________________________
AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask(const AliCentralMCCorrectionsTask& o)
  : AliAnalysisTaskSE(o),
    fInspector(o.fInspector),
    fTrackDensity(),
    fVtxBins(0),
    fFirstEvent(o.fFirstEvent),
    fHEvents(o.fHEvents), 
    fHEventsTr(o.fHEventsTr), 
    fHEventsTrVtx(o.fHEventsTrVtx),
    fVtxAxis(10,-10,10), 
    fEtaAxis(200,-4,6),
    fList(o.fList),
    fNPhiBins(o.fNPhiBins),
    fEffectiveCorr(o.fEffectiveCorr)
{
  // 
  // Copy constructor 
  // 
  // Parameters:
  //    o Object to copy from 
  //
  DGUARD(fDebug,0,"Copy construction of AliCentralMCCorrectionsTask");
}

//____________________________________________________________________
AliCentralMCCorrectionsTask&
AliCentralMCCorrectionsTask::operator=(const AliCentralMCCorrectionsTask& o)
{
  // 
  // Assignment operator 
  // 
  // Parameters:
  //    o Object to assign from 
  // 
  // Return:
  //    Reference to this object 
  //
  DGUARD(fDebug,3,"Assignment of AliCentralMCCorrectionsTask");
  if (&o == this) return *this; 
  fInspector         = o.fInspector;
  fTrackDensity      = o.fTrackDensity;
  fVtxBins           = o.fVtxBins;
  fFirstEvent        = o.fFirstEvent;
  fHEvents           = o.fHEvents;
  fHEventsTr         = o.fHEventsTr;
  fHEventsTrVtx      = o.fHEventsTrVtx;
  SetVertexAxis(o.fVtxAxis);
  SetEtaAxis(o.fEtaAxis);
  fNPhiBins          = o.fNPhiBins;
  fEffectiveCorr     = o.fEffectiveCorr;

  return *this;
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::Init()
{
  // 
  // Initialize the task 
  // 
  //
  DGUARD(fDebug,1,"Initialize AliCentralMCCorrectionsTask");
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::SetVertexAxis(Int_t nBin, Double_t min, 
					   Double_t max)
{
  // 
  // Set the vertex axis to use
  // 
  // Parameters:
  //    nBins Number of bins
  //    vzMin Least @f$z@f$ coordinate of interation point
  //    vzMax Largest @f$z@f$ coordinate of interation point
  //
  DGUARD(fDebug,3,"Set vertex axis AliCentralMCCorrectionsTask [%d,%f,%f]",
	 nBin, min, max);
  if (max < min) { 
    Double_t tmp = min;
    min          = max;
    max          = tmp;
  }
  if (min < -10) 
    AliWarning(Form("Minimum vertex %f < -10, make sure you want this",min));
  if (max > +10) 
    AliWarning(Form("Minimum vertex %f > +10, make sure you want this",max));
  fVtxAxis.Set(nBin, min, max);
}
//____________________________________________________________________
void
AliCentralMCCorrectionsTask::SetVertexAxis(const TAxis& axis)
{
  // 
  // Set the vertex axis to use
  // 
  // Parameters:
  //    axis Axis
  //
  SetVertexAxis(axis.GetNbins(),axis.GetXmin(),axis.GetXmax());
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::SetEtaAxis(Int_t nBin, Double_t min, Double_t max)
{
  // 
  // Set the eta axis to use
  // 
  // Parameters:
  //    nBins Number of bins
  //    vzMin Least @f$\eta@f$ 
  //    vzMax Largest @f$\eta@f$ 
  //
  DGUARD(fDebug,3,"Set eta axis AliCentralMCCorrectionsTask [%d,%f,%f]",
	 nBin, min, max);
  if (max < min) { 
    Double_t tmp = min;
    min          = max;
    max          = tmp;
  }
  if (min < -4) 
    AliWarning(Form("Minimum eta %f < -4, make sure you want this",min));
  if (max > +6) 
    AliWarning(Form("Minimum eta %f > +6, make sure you want this",max));
  fEtaAxis.Set(nBin, min, max);
}
//____________________________________________________________________
void
AliCentralMCCorrectionsTask::SetEtaAxis(const TAxis& axis)
{
  // 
  // Set the eta axis to use
  // 
  // Parameters:
  //    axis Axis
  //
  SetEtaAxis(axis.GetNbins(),axis.GetXmin(),axis.GetXmax());
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::DefineBins(TList* l)
{
  DGUARD(fDebug,1,"Define bins in AliCentralMCCorrectionsTask");
  if (!fVtxBins) fVtxBins = new TObjArray(fVtxAxis.GetNbins(), 1);
  if (fVtxBins->GetEntries() > 0) return;

  fVtxBins->SetOwner();
  for (Int_t i = 1; i <= fVtxAxis.GetNbins(); i++) { 
    Double_t low  = fVtxAxis.GetBinLowEdge(i);
    Double_t high = fVtxAxis.GetBinUpEdge(i);
    VtxBin*  bin  = new VtxBin(low, high, fEtaAxis, fNPhiBins);
    fVtxBins->AddAt(bin, i);
    bin->DefineOutput(l);
  }
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::UserCreateOutputObjects()
{
  // 
  // Create output objects 
  // 
  //
  DGUARD(fDebug,1,"Create user output for AliCentralMCCorrectionsTask");
  fList = new TList;
  fList->SetOwner();
  fList->SetName(Form("%sSums", GetName()));

  DefineBins(fList);

  fHEvents = new TH1I(GetEventName(false,false),
		      "Number of all events", 
		      fVtxAxis.GetNbins(), 
		      fVtxAxis.GetXmin(), 
		      fVtxAxis.GetXmax());
  fHEvents->SetXTitle("v_{z} [cm]");
  fHEvents->SetYTitle("# of events");
  fHEvents->SetFillColor(kBlue+1);
  fHEvents->SetFillStyle(3001);
  fHEvents->SetDirectory(0);
  fList->Add(fHEvents);

  fHEventsTr = new TH1I(GetEventName(true, false), 
			"Number of triggered events",
			fVtxAxis.GetNbins(), 
			fVtxAxis.GetXmin(), 
			fVtxAxis.GetXmax());
  fHEventsTr->SetXTitle("v_{z} [cm]");
  fHEventsTr->SetYTitle("# of events");
  fHEventsTr->SetFillColor(kRed+1);
  fHEventsTr->SetFillStyle(3001);
  fHEventsTr->SetDirectory(0);
  fList->Add(fHEventsTr);

  fHEventsTrVtx = new TH1I(GetEventName(true,true),
			   "Number of events w/trigger and vertex", 
			   fVtxAxis.GetNbins(), 
			   fVtxAxis.GetXmin(), 
			   fVtxAxis.GetXmax());
  fHEventsTrVtx->SetXTitle("v_{z} [cm]");
  fHEventsTrVtx->SetYTitle("# of events");
  fHEventsTrVtx->SetFillColor(kBlue+1);
  fHEventsTrVtx->SetFillStyle(3001);
  fHEventsTrVtx->SetDirectory(0);
  fList->Add(fHEventsTrVtx);

  // Copy axis objects to output 
  TH1* vtxAxis = new TH1D("vtxAxis", "Vertex axis", 
			  fVtxAxis.GetNbins(), 
			  fVtxAxis.GetXmin(), 
			  fVtxAxis.GetXmax());
  TH1* etaAxis = new TH1D("etaAxis", "Eta axis", 
			  fEtaAxis.GetNbins(), 
			  fEtaAxis.GetXmin(), 
			  fEtaAxis.GetXmax());
  fList->Add(vtxAxis);
  fList->Add(etaAxis);

  AliInfo(Form("Initialising sub-routines: %p, %p", 
	       &fInspector, &fTrackDensity));
  fInspector.DefineOutput(fList);
  fTrackDensity.DefineOutput(fList);

  PostData(1, fList);
}
//____________________________________________________________________
void
AliCentralMCCorrectionsTask::UserExec(Option_t*)
{
  // 
  // Process each event 
  // 
  // Parameters:
  //    option Not used
  //  

  DGUARD(fDebug,1,"AliCentralMCCorrectionsTask process an event");
  // Get the input data - MC event
  AliMCEvent*  mcEvent = MCEvent();
  if (!mcEvent) { 
    AliWarning("No MC event found");
    return;
  }

  // Get the input data - ESD event
  AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
  if (!esd) { 
    AliWarning("No ESD event found for input event");
    return;
  }

  //--- Read run information -----------------------------------------
  if (fFirstEvent && esd->GetESDRun()) {
    fInspector.ReadRunDetails(esd);
    
    AliInfo(Form("Initializing with parameters from the ESD:\n"
		 "         AliESDEvent::GetBeamEnergy()   ->%f\n"
		 "         AliESDEvent::GetBeamType()     ->%s\n"
		 "         AliESDEvent::GetCurrentL3()    ->%f\n"
		 "         AliESDEvent::GetMagneticField()->%f\n"
		 "         AliESDEvent::GetRunNumber()    ->%d\n",
		 esd->GetBeamEnergy(),
		 esd->GetBeamType(),
		 esd->GetCurrentL3(),
		 esd->GetMagneticField(),
		 esd->GetRunNumber()));

    fInspector.Init(fVtxAxis);

    Print();
    fFirstEvent = false;
  }

  // Some variables 
  UInt_t   triggers; // Trigger bits
  Bool_t   lowFlux;  // Low flux flag
  UShort_t iVz;      // Vertex bin from ESD
  Double_t vZ;       // Z coordinate from ESD
  Double_t cent;     // Centrality 
  UShort_t iVzMc;    // Vertex bin from MC
  Double_t vZMc;     // Z coordinate of IP vertex from MC
  Double_t b;        // Impact parameter
  Double_t cMC;      // Centrality estimate from b
  Int_t    nPart;    // Number of participants 
  Int_t    nBin;     // Number of binary collisions 
  Double_t phiR;     // Reaction plane from MC
  UShort_t nClusters;// Number of SPD clusters 
  // Process the data 
  UInt_t retESD = fInspector.Process(esd, triggers, lowFlux, iVz, vZ, 
				     cent, nClusters);
  fInspector.ProcessMC(mcEvent, triggers, iVzMc, vZMc, 
		       b, cMC, nPart, nBin, phiR);

  Bool_t isInel   = triggers & AliAODForwardMult::kInel;
  Bool_t hasVtx   = retESD == AliFMDMCEventInspector::kOk;

  // Fill the event count histograms 
  if (isInel)           fHEventsTr->Fill(vZMc);
  if (isInel && hasVtx) fHEventsTrVtx->Fill(vZMc);
  fHEvents->Fill(vZMc);

  // Now find our vertex bin object 
  VtxBin* bin = 0;
  if (iVzMc > 0 && iVzMc <= fVtxAxis.GetNbins()) 
    bin = static_cast<VtxBin*>(fVtxBins->At(iVzMc));
  if (!bin) { 
    // AliError(Form("No vertex bin object @ %d (%f)", iVzMc, vZMc));
    return;
  }

  // Now process our input data and store in own ESD object 
  fTrackDensity.Calculate(*mcEvent, vZMc, *bin->fHits, bin->fPrimary);

  // Get the ESD object
  const AliMultiplicity* spdmult = esd->GetMultiplicity();

  // Count number of tracklets per bin 
  for(Int_t j = 0; j< spdmult->GetNumberOfTracklets();j++) 
    bin->fClusters->Fill(spdmult->GetEta(j),spdmult->GetPhi(j));
  //...and then the unused clusters in layer 1 
  for(Int_t j = 0; j< spdmult->GetNumberOfSingleClusters();j++) {
     Double_t eta = -TMath::Log(TMath::Tan(spdmult->GetThetaSingle(j)/2.));
     bin->fClusters->Fill(eta, spdmult->GetPhiSingle(j));
  }

  // Count events  
  bin->fCounts->Fill(0.5);
  
  PostData(1, fList);
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::Terminate(Option_t*)
{
  // 
  // End of job
  // 
  // Parameters:
  //    option Not used 
  //
  DGUARD(fDebug,1,"AliCentralMCCorrectionsTask analyse merged output");

  fList = dynamic_cast<TList*>(GetOutputData(1));
  if (!fList) {
    AliError("No output list defined");
    return;
  }

  DefineBins(fList);

  // Output list 
  TList* output = new TList;
  output->SetOwner();
  output->SetName(Form("%sResults", GetName()));

  // --- Fill correction object --------------------------------------
  AliCentralCorrSecondaryMap* corr = new AliCentralCorrSecondaryMap;
  corr->SetVertexAxis(fVtxAxis);
  // corr->SetEtaAxis(fEtaAxis);

 AliCentralCorrAcceptance* acorr = new AliCentralCorrAcceptance;
  acorr->SetVertexAxis(fVtxAxis);

  TIter     next(fVtxBins);
  VtxBin*   bin = 0;
  UShort_t  iVz = 1;
  while ((bin = static_cast<VtxBin*>(next()))) 
    bin->Finish(fList, output, iVz++, fEffectiveCorr, corr,acorr);

  output->Add(corr);
 output->Add(acorr);

  PostData(2, output);
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::Print(Option_t* option) const
{
  std::cout << ClassName() << "\n"
	    << "  Vertex bins:      " << fVtxAxis.GetNbins() << '\n'
	    << "  Vertex range:     [" << fVtxAxis.GetXmin() 
	    << "," << fVtxAxis.GetXmax() << "]\n"
	    << "  Eta bins:         " << fEtaAxis.GetNbins() << '\n'
	    << "  Eta range:        [" << fEtaAxis.GetXmin() 
	    << "," << fEtaAxis.GetXmax() << "]\n"
	    << "  # of phi bins:    " << fNPhiBins 
	    << std::endl;
  gROOT->IncreaseDirLevel();
  fInspector.Print(option);
  fTrackDensity.Print(option);
  gROOT->DecreaseDirLevel();
}

//====================================================================
const char*
AliCentralMCCorrectionsTask::VtxBin::BinName(Double_t low, 
					     Double_t high) 
{
  static TString buf;
  buf = Form("vtx%+05.1f_%+05.1f", low, high);
  buf.ReplaceAll("+", "p");
  buf.ReplaceAll("-", "m");
  buf.ReplaceAll(".", "d");
  return buf.Data();
}


//____________________________________________________________________
AliCentralMCCorrectionsTask::VtxBin::VtxBin()
  : fHits(0), 
    fClusters(0),
    fPrimary(0),
    fCounts(0)
{
}
//____________________________________________________________________
AliCentralMCCorrectionsTask::VtxBin::VtxBin(Double_t     low, 
					    Double_t     high, 
					    const TAxis& axis,
					    UShort_t     nPhi)
  : TNamed(BinName(low, high), 
	   Form("%+5.1fcm<v_{z}<%+5.1fcm", low, high)),
    fHits(0), 
    fClusters(0),
    fPrimary(0),
    fCounts(0)
{
  fPrimary = new TH2D("primary", "Primaries", 
		      axis.GetNbins(), axis.GetXmin(), axis.GetXmax(), 
		      nPhi, 0, 2*TMath::Pi());
  fPrimary->SetXTitle("#eta");
  fPrimary->SetYTitle("#varphi [radians]");
  fPrimary->Sumw2();
  fPrimary->SetDirectory(0);

  fHits = static_cast<TH2D*>(fPrimary->Clone("hits"));
  fHits->SetTitle("Hits");
  fHits->SetDirectory(0);

  fClusters = static_cast<TH2D*>(fPrimary->Clone("clusters"));
  fClusters->SetTitle("Clusters");
  fClusters->SetDirectory(0);

  fCounts = new TH1D("counts", "Counts", 1, 0, 1);
  fCounts->SetXTitle("Events");
  fCounts->SetYTitle("# of Events");
  fCounts->SetDirectory(0);
}

//____________________________________________________________________
AliCentralMCCorrectionsTask::VtxBin::VtxBin(const VtxBin& o)
  : TNamed(o),
    fHits(0),
    fClusters(0),
    fPrimary(0), 
    fCounts(0)
{
  if (o.fHits) {
    fHits = static_cast<TH2D*>(o.fHits->Clone());
    fHits->SetDirectory(0);
  }
  if (o.fClusters) {
    fClusters = static_cast<TH2D*>(o.fClusters->Clone());
    fClusters->SetDirectory(0);
  }
  if (o.fPrimary) {
    fPrimary = static_cast<TH2D*>(o.fPrimary->Clone());
    fPrimary->SetDirectory(0);
  }
  if (o.fCounts) {
    fCounts = static_cast<TH1D*>(o.fCounts->Clone());
    fCounts->SetDirectory(0);
  }
}

//____________________________________________________________________
AliCentralMCCorrectionsTask::VtxBin&
AliCentralMCCorrectionsTask::VtxBin::operator=(const VtxBin& o)
{
  if (&o == this) return *this; 
  TNamed::operator=(o);
  fHits     = 0;
  fPrimary  = 0;
  fClusters = 0;
  fCounts   = 0;
  if (o.fHits) {
    fHits = static_cast<TH2D*>(o.fHits->Clone());
    fHits->SetDirectory(0);
  }
  if (o.fClusters) {
    fClusters = static_cast<TH2D*>(o.fClusters->Clone());
    fClusters->SetDirectory(0);
  }
  if (o.fPrimary) {
    fPrimary = static_cast<TH2D*>(o.fPrimary->Clone());
    fPrimary->SetDirectory(0);
  }
  if (o.fCounts) {
    fCounts = static_cast<TH1D*>(o.fCounts->Clone());
    fCounts->SetDirectory(0);
  }
  return *this;
}

//____________________________________________________________________
void
AliCentralMCCorrectionsTask::VtxBin::DefineOutput(TList* l)
{
  TList* d = new TList;
  d->SetName(GetName());
  d->SetOwner();
  l->Add(d);

  d->Add(fHits);
  d->Add(fClusters);
  d->Add(fPrimary);
  d->Add(fCounts);
}
//____________________________________________________________________
void
AliCentralMCCorrectionsTask::VtxBin::Finish(const TList* input, 
					    TList* output, 
					    UShort_t iVz, 
					    Bool_t effectiveCorr,
					    AliCentralCorrSecondaryMap* map,
					    AliCentralCorrAcceptance* acorr)
{
  TList* out = new TList;
  out->SetName(GetName());
  out->SetOwner();
  output->Add(out);
  
  TList* l = static_cast<TList*>(input->FindObject(GetName()));
  if (!l) { 
    AliError(Form("List %s not found in %s", GetName(), input->GetName()));
    return;
  }


  TH2D*   hits  = static_cast<TH2D*>(l->FindObject("hits"));
  TH2D*   clus  = static_cast<TH2D*>(l->FindObject("clusters"));
  TH2D*   prim  = static_cast<TH2D*>(l->FindObject("primary"));
  if (!hits || !prim) {
    AliError(Form("Missing histograms: %p, %p", hits, prim));
    return;
  }

  TH2D* h = 0;
  if (effectiveCorr) h = static_cast<TH2D*>(clus->Clone("bgCorr"));
  else               h = static_cast<TH2D*>(hits->Clone("bgCorr"));
  h->SetDirectory(0);
  h->Divide(prim);

  TH1D* acc = new TH1D(Form("SPDacc_vrtbin_%d",iVz),
			  "Acceptance correction for SPD" ,
			  fPrimary->GetXaxis()->GetNbins(), 
			  fPrimary->GetXaxis()->GetXmin(), 
			  fPrimary->GetXaxis()->GetXmax());
  TH1F* accden = static_cast<TH1F*>(acc->Clone(Form("%s_den",
						    acc->GetName())));

  for(Int_t xx = 1; xx <=h->GetNbinsX(); xx++) {
    for(Int_t yy = 1; yy <=h->GetNbinsY(); yy++) {
      if(TMath::Abs(h->GetXaxis()->GetBinCenter(xx)) > 1.9) {
	h->SetBinContent(xx,yy,0.); 
	h->SetBinError(xx,yy,0.); 
      }
      if(h->GetBinContent(xx,yy) > 0.9) 
	acc->Fill(h->GetXaxis()->GetBinCenter(xx));
      else {
	h->SetBinContent(xx,yy,0.); 
	h->SetBinError(xx,yy,0.); 
      }
      accden->Fill(h->GetXaxis()->GetBinCenter(xx));
	
    }
  }
  acc->Divide(accden);

  map->SetCorrection(iVz, h);
  acorr->SetCorrection(iVz, acc);
  out->Add(h);
  out->Add(acc);
}

//
// EOF
//
Commit	Line	Data
600b313f	1	//
	2	// Calculate the corrections in the central regions
	3	//
	4	// Inputs:
	5	// - AliESDEvent
	6	//
	7	// Outputs:
	8	// - AliAODCentralMult
	9	//
	10	// Histograms
	11	//
	12	// Corrections used
	13	//
	14	#include "AliCentralMCCorrectionsTask.h"
	15	#include "AliTriggerAnalysis.h"
	16	#include "AliPhysicsSelection.h"
	17	#include "AliLog.h"
	18	#include "AliHeader.h"
	19	#include "AliGenEventHeader.h"
	20	#include "AliESDEvent.h"
	21	#include "AliAODHandler.h"
	22	#include "AliMultiplicity.h"
	23	#include "AliInputEventHandler.h"
	24	#include "AliStack.h"
	25	#include "AliMCEvent.h"
	26	#include "AliAODForwardMult.h"
	27	#include "AliCentralCorrSecondaryMap.h"
ea6f96fb	28	#include "AliCentralCorrAcceptance.h"
f53fb4f6	29	#include "AliForwardUtil.h"
ea6f96fb	30	#include "AliMultiplicity.h"
600b313f	31	#include <TH1.h>
	32	#include <TH2D.h>
	33	#include <TDirectory.h>
	34	#include <TList.h>
	35	#include <TROOT.h>
	36	#include <iostream>
	37
	38	//====================================================================
	39	namespace {
	40	const char* GetEventName(Bool_t tr, Bool_t vtx)
	41	{
	42	return Form("nEvents%s%s", (tr ? "Tr" : ""), (vtx ? "Vtx" : ""));
	43	}
600b313f	44	}
	45
	46	//====================================================================
	47	AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask()
	48	: AliAnalysisTaskSE(),
	49	fInspector(),
	50	fTrackDensity(),
	51	fVtxBins(0),
	52	fFirstEvent(true),
	53	fHEvents(0),
	54	fHEventsTr(0),
	55	fHEventsTrVtx(0),
	56	fVtxAxis(),
	57	fEtaAxis(),
	58	fList(),
ea6f96fb	59	fNPhiBins(20),
ea6f96fb	60	fEffectiveCorr(true)
600b313f	61	{
	62	//
	63	// Constructor
	64	//
	65	// Parameters:
	66	// name Name of task
	67	//
f53fb4f6	68	DGUARD(fDebug,0,"Default construction of AliCentralMCCorrectionsTask");
600b313f	69	}
	70
	71	//____________________________________________________________________
	72	AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask(const char* name)
	73	: AliAnalysisTaskSE(name),
	74	fInspector("eventInspector"),
	75	fTrackDensity("trackDensity"),
	76	fVtxBins(0),
	77	fFirstEvent(true),
	78	fHEvents(0),
	79	fHEventsTr(0),
	80	fHEventsTrVtx(0),
	81	fVtxAxis(10,-10,10),
	82	fEtaAxis(200,-4,6),
	83	fList(),
ea6f96fb	84	fNPhiBins(20),
ea6f96fb	85	fEffectiveCorr(true)
600b313f	86	{
	87	//
	88	// Constructor
	89	//
	90	// Parameters:
	91	// name Name of task
	92	//
f53fb4f6	93	DGUARD(fDebug,0,"Named construction of AliCentralMCCorrectionsTask: %s",name);
600b313f	94	DefineOutput(1, TList::Class());
	95	DefineOutput(2, TList::Class());
	96	}
	97
	98	//____________________________________________________________________
	99	AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask(const AliCentralMCCorrectionsTask& o)
	100	: AliAnalysisTaskSE(o),
	101	fInspector(o.fInspector),
	102	fTrackDensity(),
	103	fVtxBins(0),
	104	fFirstEvent(o.fFirstEvent),
	105	fHEvents(o.fHEvents),
	106	fHEventsTr(o.fHEventsTr),
	107	fHEventsTrVtx(o.fHEventsTrVtx),
	108	fVtxAxis(10,-10,10),
	109	fEtaAxis(200,-4,6),
	110	fList(o.fList),
ea6f96fb	111	fNPhiBins(o.fNPhiBins),
ea6f96fb	112	fEffectiveCorr(o.fEffectiveCorr)
600b313f	113	{
	114	//
	115	// Copy constructor
	116	//
	117	// Parameters:
	118	// o Object to copy from
	119	//
f53fb4f6	120	DGUARD(fDebug,0,"Copy construction of AliCentralMCCorrectionsTask");
600b313f	121	}
	122
	123	//____________________________________________________________________
	124	AliCentralMCCorrectionsTask&
	125	AliCentralMCCorrectionsTask::operator=(const AliCentralMCCorrectionsTask& o)
	126	{
	127	//
	128	// Assignment operator
	129	//
	130	// Parameters:
	131	// o Object to assign from
	132	//
	133	// Return:
	134	// Reference to this object
	135	//
f53fb4f6	136	DGUARD(fDebug,3,"Assignment of AliCentralMCCorrectionsTask");
d015ecfe	137	if (&o == this) return *this;
600b313f	138	fInspector = o.fInspector;
	139	fTrackDensity = o.fTrackDensity;
	140	fVtxBins = o.fVtxBins;
	141	fFirstEvent = o.fFirstEvent;
	142	fHEvents = o.fHEvents;
	143	fHEventsTr = o.fHEventsTr;
	144	fHEventsTrVtx = o.fHEventsTrVtx;
	145	SetVertexAxis(o.fVtxAxis);
	146	SetEtaAxis(o.fEtaAxis);
	147	fNPhiBins = o.fNPhiBins;
ea6f96fb	148	fEffectiveCorr = o.fEffectiveCorr;
600b313f	149
	150	return *this;
	151	}
	152
	153	//____________________________________________________________________
	154	void
	155	AliCentralMCCorrectionsTask::Init()
	156	{
	157	//
	158	// Initialize the task
	159	//
	160	//
f53fb4f6	161	DGUARD(fDebug,1,"Initialize AliCentralMCCorrectionsTask");
600b313f	162	}
	163
	164	//____________________________________________________________________
	165	void
	166	AliCentralMCCorrectionsTask::SetVertexAxis(Int_t nBin, Double_t min,
	167	Double_t max)
	168	{
	169	//
	170	// Set the vertex axis to use
	171	//
	172	// Parameters:
	173	// nBins Number of bins
	174	// vzMin Least @f$z@f$ coordinate of interation point
	175	// vzMax Largest @f$z@f$ coordinate of interation point
	176	//
f53fb4f6	177	DGUARD(fDebug,3,"Set vertex axis AliCentralMCCorrectionsTask [%d,%f,%f]",
f53fb4f6	178	nBin, min, max);
bcd522ff	179	if (max < min) {
600b313f	180	Double_t tmp = min;
	181	min = max;
	182	max = tmp;
	183	}
	184	if (min < -10)
	185	AliWarning(Form("Minimum vertex %f < -10, make sure you want this",min));
	186	if (max > +10)
	187	AliWarning(Form("Minimum vertex %f > +10, make sure you want this",max));
	188	fVtxAxis.Set(nBin, min, max);
	189	}
	190	//____________________________________________________________________
	191	void
	192	AliCentralMCCorrectionsTask::SetVertexAxis(const TAxis& axis)
	193	{
	194	//
	195	// Set the vertex axis to use
	196	//
	197	// Parameters:
	198	// axis Axis
	199	//
	200	SetVertexAxis(axis.GetNbins(),axis.GetXmin(),axis.GetXmax());
	201	}
	202
	203	//____________________________________________________________________
	204	void
	205	AliCentralMCCorrectionsTask::SetEtaAxis(Int_t nBin, Double_t min, Double_t max)
	206	{
	207	//
	208	// Set the eta axis to use
	209	//
	210	// Parameters:
	211	// nBins Number of bins
	212	// vzMin Least @f$\eta@f$
	213	// vzMax Largest @f$\eta@f$
	214	//
f53fb4f6	215	DGUARD(fDebug,3,"Set eta axis AliCentralMCCorrectionsTask [%d,%f,%f]",
f53fb4f6	216	nBin, min, max);
bcd522ff	217	if (max < min) {
600b313f	218	Double_t tmp = min;
	219	min = max;
	220	max = tmp;
	221	}
	222	if (min < -4)
	223	AliWarning(Form("Minimum eta %f < -4, make sure you want this",min));
	224	if (max > +6)
	225	AliWarning(Form("Minimum eta %f > +6, make sure you want this",max));
bcd522ff	226	fEtaAxis.Set(nBin, min, max);
600b313f	227	}
	228	//____________________________________________________________________
	229	void
	230	AliCentralMCCorrectionsTask::SetEtaAxis(const TAxis& axis)
	231	{
	232	//
	233	// Set the eta axis to use
	234	//
	235	// Parameters:
	236	// axis Axis
	237	//
	238	SetEtaAxis(axis.GetNbins(),axis.GetXmin(),axis.GetXmax());
	239	}
	240
	241	//____________________________________________________________________
	242	void
	243	AliCentralMCCorrectionsTask::DefineBins(TList* l)
	244	{
f53fb4f6	245	DGUARD(fDebug,1,"Define bins in AliCentralMCCorrectionsTask");
600b313f	246	if (!fVtxBins) fVtxBins = new TObjArray(fVtxAxis.GetNbins(), 1);
	247	if (fVtxBins->GetEntries() > 0) return;
	248
	249	fVtxBins->SetOwner();
	250	for (Int_t i = 1; i <= fVtxAxis.GetNbins(); i++) {
	251	Double_t low = fVtxAxis.GetBinLowEdge(i);
	252	Double_t high = fVtxAxis.GetBinUpEdge(i);
	253	VtxBin* bin = new VtxBin(low, high, fEtaAxis, fNPhiBins);
	254	fVtxBins->AddAt(bin, i);
	255	bin->DefineOutput(l);
	256	}
	257	}
	258
	259	//____________________________________________________________________
	260	void
	261	AliCentralMCCorrectionsTask::UserCreateOutputObjects()
	262	{
	263	//
	264	// Create output objects
	265	//
	266	//
f53fb4f6	267	DGUARD(fDebug,1,"Create user output for AliCentralMCCorrectionsTask");
600b313f	268	fList = new TList;
	269	fList->SetOwner();
	270	fList->SetName(Form("%sSums", GetName()));
	271
	272	DefineBins(fList);
	273
	274	fHEvents = new TH1I(GetEventName(false,false),
	275	"Number of all events",
	276	fVtxAxis.GetNbins(),
	277	fVtxAxis.GetXmin(),
	278	fVtxAxis.GetXmax());
	279	fHEvents->SetXTitle("v_{z} [cm]");
	280	fHEvents->SetYTitle("# of events");
	281	fHEvents->SetFillColor(kBlue+1);
	282	fHEvents->SetFillStyle(3001);
	283	fHEvents->SetDirectory(0);
	284	fList->Add(fHEvents);
	285
	286	fHEventsTr = new TH1I(GetEventName(true, false),
	287	"Number of triggered events",
	288	fVtxAxis.GetNbins(),
	289	fVtxAxis.GetXmin(),
	290	fVtxAxis.GetXmax());
	291	fHEventsTr->SetXTitle("v_{z} [cm]");
	292	fHEventsTr->SetYTitle("# of events");
	293	fHEventsTr->SetFillColor(kRed+1);
	294	fHEventsTr->SetFillStyle(3001);
	295	fHEventsTr->SetDirectory(0);
	296	fList->Add(fHEventsTr);
	297
	298	fHEventsTrVtx = new TH1I(GetEventName(true,true),
	299	"Number of events w/trigger and vertex",
	300	fVtxAxis.GetNbins(),
	301	fVtxAxis.GetXmin(),
	302	fVtxAxis.GetXmax());
	303	fHEventsTrVtx->SetXTitle("v_{z} [cm]");
	304	fHEventsTrVtx->SetYTitle("# of events");
	305	fHEventsTrVtx->SetFillColor(kBlue+1);
	306	fHEventsTrVtx->SetFillStyle(3001);
	307	fHEventsTrVtx->SetDirectory(0);
	308	fList->Add(fHEventsTrVtx);
	309
	310	// Copy axis objects to output
	311	TH1* vtxAxis = new TH1D("vtxAxis", "Vertex axis",
	312	fVtxAxis.GetNbins(),
	313	fVtxAxis.GetXmin(),
	314	fVtxAxis.GetXmax());
	315	TH1* etaAxis = new TH1D("etaAxis", "Eta axis",
	316	fEtaAxis.GetNbins(),
	317	fEtaAxis.GetXmin(),
	318	fEtaAxis.GetXmax());
	319	fList->Add(vtxAxis);
	320	fList->Add(etaAxis);
	321
	322	AliInfo(Form("Initialising sub-routines: %p, %p",
	323	&fInspector, &fTrackDensity));
	324	fInspector.DefineOutput(fList);
600b313f	325	fTrackDensity.DefineOutput(fList);
	326
	327	PostData(1, fList);
	328	}
	329	//____________________________________________________________________
	330	void
	331	AliCentralMCCorrectionsTask::UserExec(Option_t*)
	332	{
	333	//
	334	// Process each event
	335	//
	336	// Parameters:
	337	// option Not used
	338	//
	339
f53fb4f6	340	DGUARD(fDebug,1,"AliCentralMCCorrectionsTask process an event");
600b313f	341	// Get the input data - MC event
	342	AliMCEvent* mcEvent = MCEvent();
	343	if (!mcEvent) {
	344	AliWarning("No MC event found");
	345	return;
	346	}
	347
	348	// Get the input data - ESD event
	349	AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
	350	if (!esd) {
	351	AliWarning("No ESD event found for input event");
	352	return;
	353	}
	354
	355	//--- Read run information -----------------------------------------
	356	if (fFirstEvent && esd->GetESDRun()) {
	357	fInspector.ReadRunDetails(esd);
	358
	359	AliInfo(Form("Initializing with parameters from the ESD:\n"
	360	" AliESDEvent::GetBeamEnergy() ->%f\n"
	361	" AliESDEvent::GetBeamType() ->%s\n"
	362	" AliESDEvent::GetCurrentL3() ->%f\n"
	363	" AliESDEvent::GetMagneticField()->%f\n"
	364	" AliESDEvent::GetRunNumber() ->%d\n",
	365	esd->GetBeamEnergy(),
	366	esd->GetBeamType(),
	367	esd->GetCurrentL3(),
	368	esd->GetMagneticField(),
	369	esd->GetRunNumber()));
	370
576472c1	371	fInspector.Init(fVtxAxis);
576472c1	372
600b313f	373	Print();
	374	fFirstEvent = false;
	375	}
	376
	377	// Some variables
	378	UInt_t triggers; // Trigger bits
	379	Bool_t lowFlux; // Low flux flag
	380	UShort_t iVz; // Vertex bin from ESD
	381	Double_t vZ; // Z coordinate from ESD
	382	Double_t cent; // Centrality
	383	UShort_t iVzMc; // Vertex bin from MC
	384	Double_t vZMc; // Z coordinate of IP vertex from MC
	385	Double_t b; // Impact parameter
241cca4d	386	Double_t cMC; // Centrality estimate from b
600b313f	387	Int_t nPart; // Number of participants
	388	Int_t nBin; // Number of binary collisions
	389	Double_t phiR; // Reaction plane from MC
	390	UShort_t nClusters;// Number of SPD clusters
	391	// Process the data
	392	UInt_t retESD = fInspector.Process(esd, triggers, lowFlux, iVz, vZ,
	393	cent, nClusters);
	394	fInspector.ProcessMC(mcEvent, triggers, iVzMc, vZMc,
241cca4d	395	b, cMC, nPart, nBin, phiR);
600b313f	396
	397	Bool_t isInel = triggers & AliAODForwardMult::kInel;
	398	Bool_t hasVtx = retESD == AliFMDMCEventInspector::kOk;
	399
	400	// Fill the event count histograms
	401	if (isInel) fHEventsTr->Fill(vZMc);
	402	if (isInel && hasVtx) fHEventsTrVtx->Fill(vZMc);
	403	fHEvents->Fill(vZMc);
	404
	405	// Now find our vertex bin object
	406	VtxBin* bin = 0;
	407	if (iVzMc > 0 && iVzMc <= fVtxAxis.GetNbins())
	408	bin = static_cast<VtxBin*>(fVtxBins->At(iVzMc));
	409	if (!bin) {
	410	// AliError(Form("No vertex bin object @ %d (%f)", iVzMc, vZMc));
	411	return;
	412	}
	413
	414	// Now process our input data and store in own ESD object
	415	fTrackDensity.Calculate(mcEvent, vZMc, bin->fHits, bin->fPrimary);
ea6f96fb	416
	417	// Get the ESD object
	418	const AliMultiplicity* spdmult = esd->GetMultiplicity();
	419
	420	// Count number of tracklets per bin
	421	for(Int_t j = 0; j< spdmult->GetNumberOfTracklets();j++)
	422	bin->fClusters->Fill(spdmult->GetEta(j),spdmult->GetPhi(j));
	423	//...and then the unused clusters in layer 1
	424	for(Int_t j = 0; j< spdmult->GetNumberOfSingleClusters();j++) {
	425	Double_t eta = -TMath::Log(TMath::Tan(spdmult->GetThetaSingle(j)/2.));
	426	bin->fClusters->Fill(eta, spdmult->GetPhiSingle(j));
	427	}
	428
	429	// Count events
600b313f	430	bin->fCounts->Fill(0.5);
bcd522ff	431
bcd522ff	432	PostData(1, fList);
600b313f	433	}
	434
	435	//____________________________________________________________________
	436	void
	437	AliCentralMCCorrectionsTask::Terminate(Option_t*)
	438	{
	439	//
	440	// End of job
	441	//
	442	// Parameters:
	443	// option Not used
	444	//
f53fb4f6	445	DGUARD(fDebug,1,"AliCentralMCCorrectionsTask analyse merged output");
600b313f	446
	447	fList = dynamic_cast<TList*>(GetOutputData(1));
	448	if (!fList) {
	449	AliError("No output list defined");
	450	return;
	451	}
	452
bcd522ff	453	DefineBins(fList);
bcd522ff	454
600b313f	455	// Output list
	456	TList* output = new TList;
	457	output->SetOwner();
	458	output->SetName(Form("%sResults", GetName()));
	459
	460	// --- Fill correction object --------------------------------------
	461	AliCentralCorrSecondaryMap* corr = new AliCentralCorrSecondaryMap;
	462	corr->SetVertexAxis(fVtxAxis);
	463	// corr->SetEtaAxis(fEtaAxis);
	464
ea6f96fb	465	AliCentralCorrAcceptance* acorr = new AliCentralCorrAcceptance;
	466	acorr->SetVertexAxis(fVtxAxis);
	467
600b313f	468	TIter next(fVtxBins);
	469	VtxBin* bin = 0;
	470	UShort_t iVz = 1;
	471	while ((bin = static_cast<VtxBin*>(next())))
ea6f96fb	472	bin->Finish(fList, output, iVz++, fEffectiveCorr, corr,acorr);
600b313f	473
600b313f	474	output->Add(corr);
ea6f96fb	475	output->Add(acorr);
600b313f	476
	477	PostData(2, output);
	478	}
	479
	480	//____________________________________________________________________
	481	void
	482	AliCentralMCCorrectionsTask::Print(Option_t* option) const
	483	{
	484	std::cout << ClassName() << "\n"
	485	<< " Vertex bins: " << fVtxAxis.GetNbins() << '\n'
	486	<< " Vertex range: [" << fVtxAxis.GetXmin()
	487	<< "," << fVtxAxis.GetXmax() << "]\n"
	488	<< " Eta bins: " << fEtaAxis.GetNbins() << '\n'
	489	<< " Eta range: [" << fEtaAxis.GetXmin()
	490	<< "," << fEtaAxis.GetXmax() << "]\n"
	491	<< " # of phi bins: " << fNPhiBins
	492	<< std::endl;
	493	gROOT->IncreaseDirLevel();
	494	fInspector.Print(option);
	495	fTrackDensity.Print(option);
	496	gROOT->DecreaseDirLevel();
	497	}
	498
	499	//====================================================================
	500	const char*
	501	AliCentralMCCorrectionsTask::VtxBin::BinName(Double_t low,
	502	Double_t high)
	503	{
	504	static TString buf;
	505	buf = Form("vtx%+05.1f_%+05.1f", low, high);
	506	buf.ReplaceAll("+", "p");
	507	buf.ReplaceAll("-", "m");
	508	buf.ReplaceAll(".", "d");
	509	return buf.Data();
	510	}
	511
	512
	513	//____________________________________________________________________
	514	AliCentralMCCorrectionsTask::VtxBin::VtxBin()
	515	: fHits(0),
ea6f96fb	516	fClusters(0),
600b313f	517	fPrimary(0),
	518	fCounts(0)
	519	{
	520	}
	521	//____________________________________________________________________
	522	AliCentralMCCorrectionsTask::VtxBin::VtxBin(Double_t low,
	523	Double_t high,
	524	const TAxis& axis,
	525	UShort_t nPhi)
	526	: TNamed(BinName(low, high),
	527	Form("%+5.1fcm<v_{z}<%+5.1fcm", low, high)),
	528	fHits(0),
ea6f96fb	529	fClusters(0),
600b313f	530	fPrimary(0),
	531	fCounts(0)
	532	{
	533	fPrimary = new TH2D("primary", "Primaries",
	534	axis.GetNbins(), axis.GetXmin(), axis.GetXmax(),
	535	nPhi, 0, 2*TMath::Pi());
	536	fPrimary->SetXTitle("#eta");
	537	fPrimary->SetYTitle("#varphi [radians]");
	538	fPrimary->Sumw2();
	539	fPrimary->SetDirectory(0);
	540
	541	fHits = static_cast<TH2D*>(fPrimary->Clone("hits"));
	542	fHits->SetTitle("Hits");
	543	fHits->SetDirectory(0);
	544
ea6f96fb	545	fClusters = static_cast<TH2D*>(fPrimary->Clone("clusters"));
	546	fClusters->SetTitle("Clusters");
	547	fClusters->SetDirectory(0);
	548
600b313f	549	fCounts = new TH1D("counts", "Counts", 1, 0, 1);
	550	fCounts->SetXTitle("Events");
	551	fCounts->SetYTitle("# of Events");
	552	fCounts->SetDirectory(0);
	553	}
	554
	555	//____________________________________________________________________
	556	AliCentralMCCorrectionsTask::VtxBin::VtxBin(const VtxBin& o)
	557	: TNamed(o),
	558	fHits(0),
ea6f96fb	559	fClusters(0),
600b313f	560	fPrimary(0),
	561	fCounts(0)
	562	{
	563	if (o.fHits) {
	564	fHits = static_cast<TH2D*>(o.fHits->Clone());
	565	fHits->SetDirectory(0);
	566	}
ea6f96fb	567	if (o.fClusters) {
	568	fClusters = static_cast<TH2D*>(o.fClusters->Clone());
	569	fClusters->SetDirectory(0);
	570	}
600b313f	571	if (o.fPrimary) {
	572	fPrimary = static_cast<TH2D*>(o.fPrimary->Clone());
	573	fPrimary->SetDirectory(0);
	574	}
	575	if (o.fCounts) {
	576	fCounts = static_cast<TH1D*>(o.fCounts->Clone());
	577	fCounts->SetDirectory(0);
	578	}
	579	}
	580
	581	//____________________________________________________________________
	582	AliCentralMCCorrectionsTask::VtxBin&
	583	AliCentralMCCorrectionsTask::VtxBin::operator=(const VtxBin& o)
	584	{
d015ecfe	585	if (&o == this) return *this;
600b313f	586	TNamed::operator=(o);
ea6f96fb	587	fHits = 0;
	588	fPrimary = 0;
	589	fClusters = 0;
	590	fCounts = 0;
600b313f	591	if (o.fHits) {
	592	fHits = static_cast<TH2D*>(o.fHits->Clone());
	593	fHits->SetDirectory(0);
	594	}
ea6f96fb	595	if (o.fClusters) {
	596	fClusters = static_cast<TH2D*>(o.fClusters->Clone());
	597	fClusters->SetDirectory(0);
	598	}
600b313f	599	if (o.fPrimary) {
	600	fPrimary = static_cast<TH2D*>(o.fPrimary->Clone());
	601	fPrimary->SetDirectory(0);
	602	}
	603	if (o.fCounts) {
	604	fCounts = static_cast<TH1D*>(o.fCounts->Clone());
	605	fCounts->SetDirectory(0);
	606	}
	607	return *this;
	608	}
	609
	610	//____________________________________________________________________
	611	void
	612	AliCentralMCCorrectionsTask::VtxBin::DefineOutput(TList* l)
	613	{
	614	TList* d = new TList;
	615	d->SetName(GetName());
	616	d->SetOwner();
	617	l->Add(d);
	618
	619	d->Add(fHits);
ea6f96fb	620	d->Add(fClusters);
600b313f	621	d->Add(fPrimary);
	622	d->Add(fCounts);
	623	}
	624	//____________________________________________________________________
	625	void
	626	AliCentralMCCorrectionsTask::VtxBin::Finish(const TList* input,
	627	TList* output,
	628	UShort_t iVz,
ea6f96fb	629	Bool_t effectiveCorr,
	630	AliCentralCorrSecondaryMap* map,
	631	AliCentralCorrAcceptance* acorr)
600b313f	632	{
	633	TList* out = new TList;
	634	out->SetName(GetName());
	635	out->SetOwner();
	636	output->Add(out);
	637
	638	TList* l = static_cast<TList*>(input->FindObject(GetName()));
	639	if (!l) {
	640	AliError(Form("List %s not found in %s", GetName(), input->GetName()));
	641	return;
	642	}
	643
	644
	645	TH2D* hits = static_cast<TH2D*>(l->FindObject("hits"));
ea6f96fb	646	TH2D* clus = static_cast<TH2D*>(l->FindObject("clusters"));
600b313f	647	TH2D* prim = static_cast<TH2D*>(l->FindObject("primary"));
	648	if (!hits \|\| !prim) {
	649	AliError(Form("Missing histograms: %p, %p", hits, prim));
	650	return;
	651	}
	652
ea6f96fb	653	TH2D* h = 0;
	654	if (effectiveCorr) h = static_cast<TH2D*>(clus->Clone("bgCorr"));
	655	else h = static_cast<TH2D*>(hits->Clone("bgCorr"));
600b313f	656	h->SetDirectory(0);
984a7263	657	h->Divide(prim);
600b313f	658
ea6f96fb	659	TH1D* acc = new TH1D(Form("SPDacc_vrtbin_%d",iVz),
	660	"Acceptance correction for SPD" ,
	661	fPrimary->GetXaxis()->GetNbins(),
	662	fPrimary->GetXaxis()->GetXmin(),
	663	fPrimary->GetXaxis()->GetXmax());
	664	TH1F* accden = static_cast<TH1F*>(acc->Clone(Form("%s_den",
	665	acc->GetName())));
	666
	667	for(Int_t xx = 1; xx <=h->GetNbinsX(); xx++) {
	668	for(Int_t yy = 1; yy <=h->GetNbinsY(); yy++) {
	669	if(TMath::Abs(h->GetXaxis()->GetBinCenter(xx)) > 1.9) {
	670	h->SetBinContent(xx,yy,0.);
	671	h->SetBinError(xx,yy,0.);
	672	}
	673	if(h->GetBinContent(xx,yy) > 0.9)
	674	acc->Fill(h->GetXaxis()->GetBinCenter(xx));
	675	else {
	676	h->SetBinContent(xx,yy,0.);
	677	h->SetBinError(xx,yy,0.);
	678	}
	679	accden->Fill(h->GetXaxis()->GetBinCenter(xx));
	680
	681	}
	682	}
	683	acc->Divide(accden);
600b313f	684
ea6f96fb	685	map->SetCorrection(iVz, h);
ea6f96fb	686	acorr->SetCorrection(iVz, acc);
600b313f	687	out->Add(h);
ea6f96fb	688	out->Add(acc);
600b313f	689	}
	690
	691	//
	692	// EOF
	693	//