[u/mrichter/AliRoot.git] / PWGUD / base / AlidNdEtaCorrection.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

#include "AlidNdEtaCorrection.h"

#include <AliLog.h>
#include <TCanvas.h>
#include <TH3F.h>
#include <TH2F.h>
#include <TH1D.h>
#include <TDirectory.h>
#include <AliCorrection.h>
#include <AliCorrectionMatrix2D.h>
#include <AliCorrectionMatrix3D.h>

//____________________________________________________________________
ClassImp(AlidNdEtaCorrection)

//____________________________________________________________________
AlidNdEtaCorrection::AlidNdEtaCorrection()
  : TNamed(),
  fTrack2ParticleCorrection(0),
  fVertexRecoCorrection(0),
  fTriggerBiasCorrectionMBToINEL(0),
  fTriggerBiasCorrectionMBToNSD(0),
  fTriggerBiasCorrectionMBToND(0),
  fTriggerBiasCorrectionMBToOnePart(0)
{
  // default constructor
}

//____________________________________________________________________
AlidNdEtaCorrection::AlidNdEtaCorrection(const Char_t* name, const Char_t* title, AliPWG0Helper::AnalysisMode analysis)
  : TNamed(name, title),
  fTrack2ParticleCorrection(0),
  fVertexRecoCorrection(0),
  fTriggerBiasCorrectionMBToINEL(0),
  fTriggerBiasCorrectionMBToNSD(0),
  fTriggerBiasCorrectionMBToND(0),
  fTriggerBiasCorrectionMBToOnePart(0)
{
  //
  // constructor
  //

  fTrack2ParticleCorrection = new AliCorrection("Track2Particle", "Track2Particle", analysis);
  fVertexRecoCorrection     = new AliCorrection("VertexReconstruction", "VertexReconstruction", analysis);

  fTriggerBiasCorrectionMBToINEL = new AliCorrection("TriggerBias_MBToINEL", "TriggerBias_MBToINEL", analysis);
  fTriggerBiasCorrectionMBToNSD  = new AliCorrection("TriggerBias_MBToNSD", "TriggerBias_MBToNSD", analysis);
  fTriggerBiasCorrectionMBToND   = new AliCorrection("TriggerBias_MBToND", "TriggerBias_MBToND", analysis);
  fTriggerBiasCorrectionMBToOnePart   = new AliCorrection("TriggerBias_MBToOnePart", "TriggerBias_MBToOnePart", analysis);
}

//____________________________________________________________________
AlidNdEtaCorrection::~AlidNdEtaCorrection()
{
  // destructor

  if (fTrack2ParticleCorrection) {
    delete fTrack2ParticleCorrection;
    fTrack2ParticleCorrection = 0;
  }

  if (fVertexRecoCorrection) {
    delete fVertexRecoCorrection;
    fVertexRecoCorrection = 0;
  }

  if (fTriggerBiasCorrectionMBToINEL) {
    delete fTriggerBiasCorrectionMBToINEL;
    fTriggerBiasCorrectionMBToINEL = 0;
  }

  if (fTriggerBiasCorrectionMBToNSD) {
    delete fTriggerBiasCorrectionMBToNSD;
    fTriggerBiasCorrectionMBToNSD = 0;
  }

  if (fTriggerBiasCorrectionMBToND) {
    delete fTriggerBiasCorrectionMBToND;
    fTriggerBiasCorrectionMBToND = 0;
  }

  if (fTriggerBiasCorrectionMBToOnePart) {
    delete fTriggerBiasCorrectionMBToOnePart;
    fTriggerBiasCorrectionMBToOnePart = 0;
  }
}

//____________________________________________________________________
void
AlidNdEtaCorrection::Finish() {
  //
  // finish method
  //
  // divide the histograms in the AliCorrectionMatrix2D objects to get the corrections

  fTrack2ParticleCorrection->Divide();
  fVertexRecoCorrection->Divide();
  fTriggerBiasCorrectionMBToINEL->Divide();
  fTriggerBiasCorrectionMBToNSD->Divide();
  fTriggerBiasCorrectionMBToND->Divide();
  fTriggerBiasCorrectionMBToOnePart->Divide();
}

//____________________________________________________________________
Long64_t AlidNdEtaCorrection::Merge(TCollection* list)
{
  // Merge a list of dNdEtaCorrection objects with this (needed for
  // PROOF).
  // Returns the number of merged objects (including this).

  if (!list)
    return 0;

  if (list->IsEmpty())
    return 1;

  TIterator* iter = list->MakeIterator();
  TObject* obj;

  // collections of measured and generated histograms
  TList* collectionNtrackToNparticle    = new TList;
  TList* collectionVertexReco           = new TList;
  TList* collectionTriggerBiasMBToINEL  = new TList;
  TList* collectionTriggerBiasMBToNSD   = new TList;
  TList* collectionTriggerBiasMBToND    = new TList;
  TList* collectionTriggerBiasMBToOnePart    = new TList;

  Int_t count = 0;
  while ((obj = iter->Next())) {

    AlidNdEtaCorrection* entry = dynamic_cast<AlidNdEtaCorrection*> (obj);
    if (entry == 0)
      continue;

    collectionNtrackToNparticle  ->Add(entry->fTrack2ParticleCorrection);
    collectionVertexReco         ->Add(entry->fVertexRecoCorrection);
    collectionTriggerBiasMBToINEL->Add(entry->fTriggerBiasCorrectionMBToINEL);
    collectionTriggerBiasMBToNSD ->Add(entry->fTriggerBiasCorrectionMBToNSD);
    collectionTriggerBiasMBToND  ->Add(entry->fTriggerBiasCorrectionMBToND);
    collectionTriggerBiasMBToOnePart  ->Add(entry->fTriggerBiasCorrectionMBToOnePart);

    count++;
  }
  fTrack2ParticleCorrection      ->Merge(collectionNtrackToNparticle);
  fVertexRecoCorrection          ->Merge(collectionVertexReco);
  fTriggerBiasCorrectionMBToINEL ->Merge(collectionTriggerBiasMBToINEL);
  fTriggerBiasCorrectionMBToNSD  ->Merge(collectionTriggerBiasMBToNSD);
  fTriggerBiasCorrectionMBToND   ->Merge(collectionTriggerBiasMBToND);
  fTriggerBiasCorrectionMBToOnePart->Merge(collectionTriggerBiasMBToOnePart);

  delete collectionNtrackToNparticle;
  delete collectionVertexReco;
  delete collectionTriggerBiasMBToINEL;
  delete collectionTriggerBiasMBToNSD;
  delete collectionTriggerBiasMBToND;
  delete collectionTriggerBiasMBToOnePart;

  return count+1;
}

//____________________________________________________________________
void AlidNdEtaCorrection::Add(AlidNdEtaCorrection* aCorrectionsToAdd, Float_t c) {
  //
  // adds the measured and generated of aCorrectionsToAdd to measured and generated
  // of all corrections in this

  fTrack2ParticleCorrection      ->Add(aCorrectionsToAdd->GetTrack2ParticleCorrection() ,c);
  fVertexRecoCorrection          ->Add(aCorrectionsToAdd->GetVertexRecoCorrection()     ,c);
  fTriggerBiasCorrectionMBToINEL ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionINEL(),c);
  fTriggerBiasCorrectionMBToNSD  ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionNSD() ,c);
  fTriggerBiasCorrectionMBToND   ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionND()  ,c);
  fTriggerBiasCorrectionMBToOnePart   ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionOnePart()  ,c);
}

//____________________________________________________________________
void AlidNdEtaCorrection::Scale(Float_t c) 
{
  //
  // scales all contained corrections
  // 

  fTrack2ParticleCorrection      ->Scale(c);
  fVertexRecoCorrection          ->Scale(c);
  fTriggerBiasCorrectionMBToINEL ->Scale(c);
  fTriggerBiasCorrectionMBToNSD  ->Scale(c);
  fTriggerBiasCorrectionMBToND   ->Scale(c);
  fTriggerBiasCorrectionMBToOnePart   ->Scale(c);
}

//____________________________________________________________________
void AlidNdEtaCorrection::Reset(void) {
  //
  // reset all corrections
  // 

  fTrack2ParticleCorrection      ->Reset();
  fVertexRecoCorrection          ->Reset();
  fTriggerBiasCorrectionMBToINEL ->Reset();
  fTriggerBiasCorrectionMBToNSD  ->Reset();
  fTriggerBiasCorrectionMBToND   ->Reset();
  fTriggerBiasCorrectionMBToOnePart   ->Reset();
}


//____________________________________________________________________
Bool_t AlidNdEtaCorrection::LoadHistograms(const Char_t* dir)
{
  //
  // loads the histograms
  // if dir is empty a directory with the name of this object is taken (like in SaveHistogram)
  //

  if (!dir)
    dir = GetName();

  if (!gDirectory->cd(dir))
    return kFALSE;

  fTrack2ParticleCorrection      ->LoadHistograms();
  fVertexRecoCorrection          ->LoadHistograms();
  fTriggerBiasCorrectionMBToINEL ->LoadHistograms();
  fTriggerBiasCorrectionMBToNSD  ->LoadHistograms();
  fTriggerBiasCorrectionMBToND   ->LoadHistograms();
  fTriggerBiasCorrectionMBToOnePart   ->LoadHistograms();

  gDirectory->cd("..");

  return kTRUE;
}

//____________________________________________________________________
void AlidNdEtaCorrection::SaveHistograms()
{
  //
  // save the histograms
  //

  gDirectory->mkdir(fName.Data());
  gDirectory->cd(fName.Data());

  fTrack2ParticleCorrection     ->SaveHistograms();
  fVertexRecoCorrection         ->SaveHistograms();
  fTriggerBiasCorrectionMBToINEL->SaveHistograms();
  fTriggerBiasCorrectionMBToNSD ->SaveHistograms();
  fTriggerBiasCorrectionMBToND  ->SaveHistograms();
  fTriggerBiasCorrectionMBToOnePart->SaveHistograms();

  gDirectory->cd("..");
}

//____________________________________________________________________
void AlidNdEtaCorrection::DrawHistograms()
{
  //
  // call the draw histogram method of the corrections
  //

  fTrack2ParticleCorrection     ->DrawHistograms();
  fVertexRecoCorrection         ->DrawHistograms();
  fTriggerBiasCorrectionMBToINEL->DrawHistograms();
  fTriggerBiasCorrectionMBToNSD ->DrawHistograms();
  fTriggerBiasCorrectionMBToND  ->DrawHistograms();
  fTriggerBiasCorrectionMBToOnePart  ->DrawHistograms();
}

//____________________________________________________________________
void AlidNdEtaCorrection::DrawOverview(const char* canvasName)
{
  //
  // call the DrawOverview histogram method of the corrections
  //

  fTrack2ParticleCorrection     ->DrawOverview(canvasName);
  fVertexRecoCorrection         ->DrawOverview(canvasName);
  fTriggerBiasCorrectionMBToINEL->DrawOverview(canvasName);
  fTriggerBiasCorrectionMBToNSD ->DrawOverview(canvasName);
  fTriggerBiasCorrectionMBToND  ->DrawOverview(canvasName);
  fTriggerBiasCorrectionMBToOnePart  ->DrawOverview(canvasName);
}

//____________________________________________________________________
void AlidNdEtaCorrection::FillMCParticle(Float_t vtx, Float_t eta, Float_t pt, Bool_t trigger, Bool_t vertex, Int_t processType)
{
  // fills a particle in the corrections
  // it is filled in generated or measured depending of the flags

  fTriggerBiasCorrectionMBToINEL->GetTrackCorrection()->FillGene(vtx, eta, pt);

  if ((processType & AliPWG0Helper::kSD) == 0)
    fTriggerBiasCorrectionMBToNSD->GetTrackCorrection()->FillGene(vtx, eta, pt);

  if (processType & AliPWG0Helper::kND )
    fTriggerBiasCorrectionMBToND->GetTrackCorrection()->FillGene(vtx, eta, pt);

  if (processType & AliPWG0Helper::kOnePart)
    fTriggerBiasCorrectionMBToOnePart->GetTrackCorrection()->FillGene(vtx, eta, pt);

  if (!trigger)
    return;

  fTriggerBiasCorrectionMBToINEL->GetTrackCorrection()->FillMeas(vtx, eta, pt);
  fTriggerBiasCorrectionMBToNSD->GetTrackCorrection()->FillMeas(vtx, eta, pt);
  fTriggerBiasCorrectionMBToND->GetTrackCorrection()->FillMeas(vtx, eta, pt);
  fTriggerBiasCorrectionMBToOnePart->GetTrackCorrection()->FillMeas(vtx, eta, pt);
  fVertexRecoCorrection->GetTrackCorrection()->FillGene(vtx, eta, pt);

  if (!vertex)
    return;

  fVertexRecoCorrection->GetTrackCorrection()->FillMeas(vtx, eta, pt);
  fTrack2ParticleCorrection->GetTrackCorrection()->FillGene(vtx, eta, pt);
}

//____________________________________________________________________
void AlidNdEtaCorrection::FillTrackedParticle(Float_t vtx, Float_t eta, Float_t pt, Double_t weight)
{
  // fills a tracked particle in the corrections

  fTrack2ParticleCorrection->GetTrackCorrection()->FillMeas(vtx, eta, pt, weight);
}

//____________________________________________________________________
void AlidNdEtaCorrection::FillEvent(Float_t vtx, Float_t n, Bool_t trigger, Bool_t vertex, Int_t processType)
{
  // fills an event int he correction
  // it is filled in generated or measured depending of the flags

  fTriggerBiasCorrectionMBToINEL->GetEventCorrection()->FillGene(vtx, n);

  if ((processType & AliPWG0Helper::kSD) == 0)
    fTriggerBiasCorrectionMBToNSD->GetEventCorrection()->FillGene(vtx, n);

  if (processType & AliPWG0Helper::kND )
    fTriggerBiasCorrectionMBToND->GetEventCorrection()->FillGene(vtx, n);

  if (processType & AliPWG0Helper::kOnePart)
    fTriggerBiasCorrectionMBToOnePart->GetEventCorrection()->FillGene(vtx, n);

  if (!trigger)
    return;

  fTriggerBiasCorrectionMBToINEL->GetEventCorrection()->FillMeas(vtx, n);
  fTriggerBiasCorrectionMBToNSD->GetEventCorrection()->FillMeas(vtx, n);
  fTriggerBiasCorrectionMBToND->GetEventCorrection()->FillMeas(vtx, n);
  fTriggerBiasCorrectionMBToOnePart->GetEventCorrection()->FillMeas(vtx, n);
  fVertexRecoCorrection->GetEventCorrection()->FillGene(vtx, n);

  if (!vertex)
    return;

  fVertexRecoCorrection->GetEventCorrection()->FillMeas(vtx, n);
}

//____________________________________________________________________
Float_t AlidNdEtaCorrection::GetMeasuredFraction(CorrectionType correctionType, Float_t ptCutOff, Float_t eta, Int_t vertexBegin, Int_t vertexEnd, Bool_t debug)
{
  // calculates the fraction of particles measured (some are missed due to the pt cut off)
  //
  // uses the generated particle histogram from the correction passed, e.g. pass GetTrack2ParticleCorrection()

  if (!GetCorrection(correctionType))
    return -1;

  const TH3* generated = GetCorrection(correctionType)->GetTrackCorrection()->GetGeneratedHistogram();

  // find eta borders, if eta is negative assume -0.8 ... 0.8
  Int_t etaBegin = 0;
  Int_t etaEnd = 0;
  const TAxis * xax = generated->GetXaxis();
  const TAxis * yax = generated->GetYaxis();
  if (eta < -99)
  {
    etaBegin = yax->FindFixBin(-0.8);
    etaEnd = yax->FindFixBin(0.8);
  }
  else
  {
    etaBegin = yax->FindFixBin(eta);
    etaEnd = etaBegin;
  }

  if (vertexBegin == -1)
    vertexBegin = xax->FindFixBin(-9.99);

  if (vertexEnd == -1)
    vertexEnd = xax->FindFixBin(9.99);

  TH1D* ptProj = dynamic_cast<TH1D*> (generated->ProjectionZ(Form("%s_pt", generated->GetName()), vertexBegin, vertexEnd, etaBegin, etaEnd));
  //printf("GetMeasuredFraction: bin range %d %d %d %d\n", vertexBegin, vertexEnd, etaBegin, etaEnd);
  ptProj->GetXaxis()->SetTitle(generated->GetZaxis()->GetTitle());

  Int_t ptBin = ptProj->FindBin(ptCutOff);
  //printf("GetMeasuredFraction: bin range %d %d\n", ptBin, ptProj->GetNbinsX());
  Float_t abovePtCut = ptProj->Integral(ptBin, ptProj->GetNbinsX()+1);
  Float_t all = ptProj->Integral(1, ptProj->GetNbinsX()+1);

  if (all == 0)
    return -1;

  Float_t fraction = abovePtCut / all;

  //printf("GetMeasuredFraction: all %f above %f fraction %f\n", all, abovePtCut, fraction);

  if (debug)
  {
    new TCanvas;
    ptProj->Draw();
  }
  else
    delete ptProj;

  if (debug)
    printf("AlidNdEtaCorrection::GetMeasuredFraction: pt cut off = %f, eta = %f, => fraction = %f\n", ptCutOff, eta, fraction);

  return fraction;
}

//____________________________________________________________________
TH1* AlidNdEtaCorrection::GetMeasuredEventFraction(CorrectionType correctionType, Int_t multCut)
{
  // calculates the fraction of events above multCut (but including it)
  //
  // uses the generated event histogram from the correction passed, e.g. pass GetTrack2ParticleCorrection()

  if (!GetCorrection(correctionType))
    return 0;

  const TH2* generated = GetCorrection(correctionType)->GetEventCorrection()->GetGeneratedHistogram();

  TH1* allEvents = generated->ProjectionX(Form("%s_all", generated->GetName()), 1, generated->GetNbinsY());
  TH1* aboveEvents = generated->ProjectionX(Form("%s_above", generated->GetName()), generated->GetYaxis()->FindFixBin(multCut), generated->GetNbinsY());
  
  aboveEvents->Divide(aboveEvents, allEvents, 1, 1, "B");

  return aboveEvents;  
}

//____________________________________________________________________
void AlidNdEtaCorrection::ReduceInformation()
{
  // this function deletes the measured and generated histograms from the corrections to reduce the amount of data
  // in memory

  // these are needed for GetMeasuredFraction(): fTrack2ParticleCorrection->ReduceInformation();
  fVertexRecoCorrection          ->ReduceInformation();
  fTriggerBiasCorrectionMBToINEL ->ReduceInformation();
  fTriggerBiasCorrectionMBToNSD  ->ReduceInformation();
  fTriggerBiasCorrectionMBToND   ->ReduceInformation();
  fTriggerBiasCorrectionMBToOnePart   ->ReduceInformation();
}

//____________________________________________________________________
AliCorrection* AlidNdEtaCorrection::GetCorrection(CorrectionType correctionType)
{
  // returns the given correction

  switch (correctionType)
  {
    case kNone : return 0;
    case kTrack2Particle : return fTrack2ParticleCorrection;
    case kVertexReco :     return fVertexRecoCorrection;
    case kINEL :           return fTriggerBiasCorrectionMBToINEL;
    case kNSD :            return fTriggerBiasCorrectionMBToNSD;
    case kND :             return fTriggerBiasCorrectionMBToND;
    case kOnePart :             return fTriggerBiasCorrectionMBToOnePart;
  }

  return 0;
}
Commit	Line	Data
d560b581	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, 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
55e05544	16	/* $Id$ */
	17
	18	#include "AlidNdEtaCorrection.h"
	19
74fd10b3	20	#include <AliLog.h>
55e05544	21	#include <TCanvas.h>
847489f7	22	#include <TH3F.h>
47ab1f70	23	#include <TH2F.h>
847489f7	24	#include <TH1D.h>
d560b581	25	#include <TDirectory.h>
74fd10b3	26	#include <AliCorrection.h>
	27	#include <AliCorrectionMatrix2D.h>
	28	#include <AliCorrectionMatrix3D.h>
55e05544	29
	30	//____________________________________________________________________
	31	ClassImp(AlidNdEtaCorrection)
	32
	33	//____________________________________________________________________
8b3563f4	34	AlidNdEtaCorrection::AlidNdEtaCorrection()
	35	: TNamed(),
	36	fTrack2ParticleCorrection(0),
	37	fVertexRecoCorrection(0),
7584d357	38	fTriggerBiasCorrectionMBToINEL(0),
7584d357	39	fTriggerBiasCorrectionMBToNSD(0),
81be4ee8	40	fTriggerBiasCorrectionMBToND(0),
81be4ee8	41	fTriggerBiasCorrectionMBToOnePart(0)
8b3563f4	42	{
	43	// default constructor
	44	}
	45
	46	//____________________________________________________________________
770a1f1d	47	AlidNdEtaCorrection::AlidNdEtaCorrection(const Char_t* name, const Char_t* title, AliPWG0Helper::AnalysisMode analysis)
8b3563f4	48	: TNamed(name, title),
38233af1	49	fTrack2ParticleCorrection(0),
38233af1	50	fVertexRecoCorrection(0),
7584d357	51	fTriggerBiasCorrectionMBToINEL(0),
7584d357	52	fTriggerBiasCorrectionMBToNSD(0),
81be4ee8	53	fTriggerBiasCorrectionMBToND(0),
81be4ee8	54	fTriggerBiasCorrectionMBToOnePart(0)
8b3563f4	55	{
74fd10b3	56	//
55e05544	57	// constructor
	58	//
	59
0f67a57c	60	fTrack2ParticleCorrection = new AliCorrection("Track2Particle", "Track2Particle", analysis);
0f67a57c	61	fVertexRecoCorrection = new AliCorrection("VertexReconstruction", "VertexReconstruction", analysis);
1afae8ff	62
0f67a57c	63	fTriggerBiasCorrectionMBToINEL = new AliCorrection("TriggerBias_MBToINEL", "TriggerBias_MBToINEL", analysis);
	64	fTriggerBiasCorrectionMBToNSD = new AliCorrection("TriggerBias_MBToNSD", "TriggerBias_MBToNSD", analysis);
	65	fTriggerBiasCorrectionMBToND = new AliCorrection("TriggerBias_MBToND", "TriggerBias_MBToND", analysis);
81be4ee8	66	fTriggerBiasCorrectionMBToOnePart = new AliCorrection("TriggerBias_MBToOnePart", "TriggerBias_MBToOnePart", analysis);
55e05544	67	}
55e05544	68
38233af1	69	//____________________________________________________________________
	70	AlidNdEtaCorrection::~AlidNdEtaCorrection()
	71	{
	72	// destructor
	73
7584d357	74	if (fTrack2ParticleCorrection) {
38233af1	75	delete fTrack2ParticleCorrection;
	76	fTrack2ParticleCorrection = 0;
	77	}
	78
7584d357	79	if (fVertexRecoCorrection) {
38233af1	80	delete fVertexRecoCorrection;
	81	fVertexRecoCorrection = 0;
	82	}
	83
7584d357	84	if (fTriggerBiasCorrectionMBToINEL) {
	85	delete fTriggerBiasCorrectionMBToINEL;
	86	fTriggerBiasCorrectionMBToINEL = 0;
38233af1	87	}
38233af1	88
7584d357	89	if (fTriggerBiasCorrectionMBToNSD) {
	90	delete fTriggerBiasCorrectionMBToNSD;
	91	fTriggerBiasCorrectionMBToNSD = 0;
	92	}
	93
	94	if (fTriggerBiasCorrectionMBToND) {
	95	delete fTriggerBiasCorrectionMBToND;
	96	fTriggerBiasCorrectionMBToND = 0;
38233af1	97	}
81be4ee8	98
	99	if (fTriggerBiasCorrectionMBToOnePart) {
	100	delete fTriggerBiasCorrectionMBToOnePart;
	101	fTriggerBiasCorrectionMBToOnePart = 0;
	102	}
38233af1	103	}
38233af1	104
55e05544	105	//____________________________________________________________________
55e05544	106	void
45e97e28	107	AlidNdEtaCorrection::Finish() {
55e05544	108	//
	109	// finish method
	110	//
45e97e28	111	// divide the histograms in the AliCorrectionMatrix2D objects to get the corrections
55e05544	112
45e97e28	113	fTrack2ParticleCorrection->Divide();
55e05544	114	fVertexRecoCorrection->Divide();
7584d357	115	fTriggerBiasCorrectionMBToINEL->Divide();
	116	fTriggerBiasCorrectionMBToNSD->Divide();
	117	fTriggerBiasCorrectionMBToND->Divide();
81be4ee8	118	fTriggerBiasCorrectionMBToOnePart->Divide();
55e05544	119	}
	120
	121	//____________________________________________________________________
74fd10b3	122	Long64_t AlidNdEtaCorrection::Merge(TCollection* list)
74fd10b3	123	{
55e05544	124	// Merge a list of dNdEtaCorrection objects with this (needed for
7af955da	125	// PROOF).
55e05544	126	// Returns the number of merged objects (including this).
	127
	128	if (!list)
	129	return 0;
7af955da	130
55e05544	131	if (list->IsEmpty())
	132	return 1;
	133
	134	TIterator* iter = list->MakeIterator();
	135	TObject* obj;
	136
	137	// collections of measured and generated histograms
7584d357	138	TList* collectionNtrackToNparticle = new TList;
	139	TList* collectionVertexReco = new TList;
	140	TList* collectionTriggerBiasMBToINEL = new TList;
	141	TList* collectionTriggerBiasMBToNSD = new TList;
	142	TList* collectionTriggerBiasMBToND = new TList;
81be4ee8	143	TList* collectionTriggerBiasMBToOnePart = new TList;
55e05544	144
	145	Int_t count = 0;
	146	while ((obj = iter->Next())) {
7af955da	147
55e05544	148	AlidNdEtaCorrection* entry = dynamic_cast<AlidNdEtaCorrection*> (obj);
7af955da	149	if (entry == 0)
55e05544	150	continue;
55e05544	151
74fd10b3	152	collectionNtrackToNparticle ->Add(entry->fTrack2ParticleCorrection);
	153	collectionVertexReco ->Add(entry->fVertexRecoCorrection);
	154	collectionTriggerBiasMBToINEL->Add(entry->fTriggerBiasCorrectionMBToINEL);
	155	collectionTriggerBiasMBToNSD ->Add(entry->fTriggerBiasCorrectionMBToNSD);
	156	collectionTriggerBiasMBToND ->Add(entry->fTriggerBiasCorrectionMBToND);
81be4ee8	157	collectionTriggerBiasMBToOnePart ->Add(entry->fTriggerBiasCorrectionMBToOnePart);
55e05544	158
	159	count++;
	160	}
7584d357	161	fTrack2ParticleCorrection ->Merge(collectionNtrackToNparticle);
	162	fVertexRecoCorrection ->Merge(collectionVertexReco);
	163	fTriggerBiasCorrectionMBToINEL ->Merge(collectionTriggerBiasMBToINEL);
	164	fTriggerBiasCorrectionMBToNSD ->Merge(collectionTriggerBiasMBToNSD);
	165	fTriggerBiasCorrectionMBToND ->Merge(collectionTriggerBiasMBToND);
81be4ee8	166	fTriggerBiasCorrectionMBToOnePart->Merge(collectionTriggerBiasMBToOnePart);
10ebe68d	167
55e05544	168	delete collectionNtrackToNparticle;
55e05544	169	delete collectionVertexReco;
7584d357	170	delete collectionTriggerBiasMBToINEL;
	171	delete collectionTriggerBiasMBToNSD;
	172	delete collectionTriggerBiasMBToND;
81be4ee8	173	delete collectionTriggerBiasMBToOnePart;
10ebe68d	174
55e05544	175	return count+1;
	176	}
	177
2e88424e	178	//____________________________________________________________________
	179	void AlidNdEtaCorrection::Add(AlidNdEtaCorrection* aCorrectionsToAdd, Float_t c) {
	180	//
	181	// adds the measured and generated of aCorrectionsToAdd to measured and generated
	182	// of all corrections in this
	183
	184	fTrack2ParticleCorrection ->Add(aCorrectionsToAdd->GetTrack2ParticleCorrection() ,c);
	185	fVertexRecoCorrection ->Add(aCorrectionsToAdd->GetVertexRecoCorrection() ,c);
	186	fTriggerBiasCorrectionMBToINEL ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionINEL(),c);
	187	fTriggerBiasCorrectionMBToNSD ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionNSD() ,c);
	188	fTriggerBiasCorrectionMBToND ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionND() ,c);
81be4ee8	189	fTriggerBiasCorrectionMBToOnePart ->Add(aCorrectionsToAdd->GetTriggerBiasCorrectionOnePart() ,c);
	190	}
	191
	192	//____________________________________________________________________
	193	void AlidNdEtaCorrection::Scale(Float_t c)
	194	{
	195	//
	196	// scales all contained corrections
	197	//
	198
	199	fTrack2ParticleCorrection ->Scale(c);
	200	fVertexRecoCorrection ->Scale(c);
	201	fTriggerBiasCorrectionMBToINEL ->Scale(c);
	202	fTriggerBiasCorrectionMBToNSD ->Scale(c);
	203	fTriggerBiasCorrectionMBToND ->Scale(c);
	204	fTriggerBiasCorrectionMBToOnePart ->Scale(c);
2e88424e	205	}
	206
	207	//____________________________________________________________________
	208	void AlidNdEtaCorrection::Reset(void) {
	209	//
	210	// reset all corrections
	211	//
	212
	213	fTrack2ParticleCorrection ->Reset();
	214	fVertexRecoCorrection ->Reset();
	215	fTriggerBiasCorrectionMBToINEL ->Reset();
	216	fTriggerBiasCorrectionMBToNSD ->Reset();
	217	fTriggerBiasCorrectionMBToND ->Reset();
81be4ee8	218	fTriggerBiasCorrectionMBToOnePart ->Reset();
2e88424e	219	}
	220
	221
	222
55e05544	223	//____________________________________________________________________
74fd10b3	224	Bool_t AlidNdEtaCorrection::LoadHistograms(const Char_t* dir)
74fd10b3	225	{
55e05544	226	//
55e05544	227	// loads the histograms
74fd10b3	228	// if dir is empty a directory with the name of this object is taken (like in SaveHistogram)
55e05544	229	//
55e05544	230
74fd10b3	231	if (!dir)
74fd10b3	232	dir = GetName();
7584d357	233
74fd10b3	234	if (!gDirectory->cd(dir))
	235	return kFALSE;
	236
	237	fTrack2ParticleCorrection ->LoadHistograms();
	238	fVertexRecoCorrection ->LoadHistograms();
	239	fTriggerBiasCorrectionMBToINEL ->LoadHistograms();
	240	fTriggerBiasCorrectionMBToNSD ->LoadHistograms();
	241	fTriggerBiasCorrectionMBToND ->LoadHistograms();
81be4ee8	242	fTriggerBiasCorrectionMBToOnePart ->LoadHistograms();
74fd10b3	243
74fd10b3	244	gDirectory->cd("..");
1afae8ff	245
55e05544	246	return kTRUE;
	247	}
	248
55e05544	249	//____________________________________________________________________
74fd10b3	250	void AlidNdEtaCorrection::SaveHistograms()
74fd10b3	251	{
55e05544	252	//
	253	// save the histograms
	254	//
	255
	256	gDirectory->mkdir(fName.Data());
	257	gDirectory->cd(fName.Data());
	258
7584d357	259	fTrack2ParticleCorrection ->SaveHistograms();
	260	fVertexRecoCorrection ->SaveHistograms();
	261	fTriggerBiasCorrectionMBToINEL->SaveHistograms();
	262	fTriggerBiasCorrectionMBToNSD ->SaveHistograms();
	263	fTriggerBiasCorrectionMBToND ->SaveHistograms();
81be4ee8	264	fTriggerBiasCorrectionMBToOnePart->SaveHistograms();
55e05544	265
74fd10b3	266	gDirectory->cd("..");
55e05544	267	}
	268
	269	//____________________________________________________________________
	270	void AlidNdEtaCorrection::DrawHistograms()
	271	{
	272	//
dd367a14	273	// call the draw histogram method of the corrections
74fd10b3	274	//
55e05544	275
7584d357	276	fTrack2ParticleCorrection ->DrawHistograms();
	277	fVertexRecoCorrection ->DrawHistograms();
	278	fTriggerBiasCorrectionMBToINEL->DrawHistograms();
	279	fTriggerBiasCorrectionMBToNSD ->DrawHistograms();
	280	fTriggerBiasCorrectionMBToND ->DrawHistograms();
81be4ee8	281	fTriggerBiasCorrectionMBToOnePart ->DrawHistograms();
7584d357	282	}
7584d357	283
dd367a14	284	//____________________________________________________________________
	285	void AlidNdEtaCorrection::DrawOverview(const char* canvasName)
	286	{
	287	//
	288	// call the DrawOverview histogram method of the corrections
	289	//
	290
	291	fTrack2ParticleCorrection ->DrawOverview(canvasName);
	292	fVertexRecoCorrection ->DrawOverview(canvasName);
	293	fTriggerBiasCorrectionMBToINEL->DrawOverview(canvasName);
	294	fTriggerBiasCorrectionMBToNSD ->DrawOverview(canvasName);
	295	fTriggerBiasCorrectionMBToND ->DrawOverview(canvasName);
81be4ee8	296	fTriggerBiasCorrectionMBToOnePart ->DrawOverview(canvasName);
dd367a14	297	}
dd367a14	298
7584d357	299	//____________________________________________________________________
74fd10b3	300	void AlidNdEtaCorrection::FillMCParticle(Float_t vtx, Float_t eta, Float_t pt, Bool_t trigger, Bool_t vertex, Int_t processType)
7584d357	301	{
74fd10b3	302	// fills a particle in the corrections
74fd10b3	303	// it is filled in generated or measured depending of the flags
7584d357	304
74fd10b3	305	fTriggerBiasCorrectionMBToINEL->GetTrackCorrection()->FillGene(vtx, eta, pt);
7584d357	306
81be4ee8	307	if ((processType & AliPWG0Helper::kSD) == 0)
74fd10b3	308	fTriggerBiasCorrectionMBToNSD->GetTrackCorrection()->FillGene(vtx, eta, pt);
74fd10b3	309
81be4ee8	310	if (processType & AliPWG0Helper::kND )
74fd10b3	311	fTriggerBiasCorrectionMBToND->GetTrackCorrection()->FillGene(vtx, eta, pt);
74fd10b3	312
81be4ee8	313	if (processType & AliPWG0Helper::kOnePart)
	314	fTriggerBiasCorrectionMBToOnePart->GetTrackCorrection()->FillGene(vtx, eta, pt);
	315
74fd10b3	316	if (!trigger)
	317	return;
	318
	319	fTriggerBiasCorrectionMBToINEL->GetTrackCorrection()->FillMeas(vtx, eta, pt);
	320	fTriggerBiasCorrectionMBToNSD->GetTrackCorrection()->FillMeas(vtx, eta, pt);
	321	fTriggerBiasCorrectionMBToND->GetTrackCorrection()->FillMeas(vtx, eta, pt);
81be4ee8	322	fTriggerBiasCorrectionMBToOnePart->GetTrackCorrection()->FillMeas(vtx, eta, pt);
74fd10b3	323	fVertexRecoCorrection->GetTrackCorrection()->FillGene(vtx, eta, pt);
	324
	325	if (!vertex)
	326	return;
	327
	328	fVertexRecoCorrection->GetTrackCorrection()->FillMeas(vtx, eta, pt);
	329	fTrack2ParticleCorrection->GetTrackCorrection()->FillGene(vtx, eta, pt);
7584d357	330	}
55e05544	331
7584d357	332	//____________________________________________________________________
68fa248f	333	void AlidNdEtaCorrection::FillTrackedParticle(Float_t vtx, Float_t eta, Float_t pt, Double_t weight)
7584d357	334	{
74fd10b3	335	// fills a tracked particle in the corrections
74fd10b3	336
68fa248f	337	fTrack2ParticleCorrection->GetTrackCorrection()->FillMeas(vtx, eta, pt, weight);
55e05544	338	}
847489f7	339
7584d357	340	//____________________________________________________________________
74fd10b3	341	void AlidNdEtaCorrection::FillEvent(Float_t vtx, Float_t n, Bool_t trigger, Bool_t vertex, Int_t processType)
7584d357	342	{
74fd10b3	343	// fills an event int he correction
	344	// it is filled in generated or measured depending of the flags
	345
	346	fTriggerBiasCorrectionMBToINEL->GetEventCorrection()->FillGene(vtx, n);
	347
81be4ee8	348	if ((processType & AliPWG0Helper::kSD) == 0)
74fd10b3	349	fTriggerBiasCorrectionMBToNSD->GetEventCorrection()->FillGene(vtx, n);
7584d357	350
81be4ee8	351	if (processType & AliPWG0Helper::kND )
74fd10b3	352	fTriggerBiasCorrectionMBToND->GetEventCorrection()->FillGene(vtx, n);
74fd10b3	353
81be4ee8	354	if (processType & AliPWG0Helper::kOnePart)
	355	fTriggerBiasCorrectionMBToOnePart->GetEventCorrection()->FillGene(vtx, n);
	356
74fd10b3	357	if (!trigger)
	358	return;
	359
	360	fTriggerBiasCorrectionMBToINEL->GetEventCorrection()->FillMeas(vtx, n);
	361	fTriggerBiasCorrectionMBToNSD->GetEventCorrection()->FillMeas(vtx, n);
	362	fTriggerBiasCorrectionMBToND->GetEventCorrection()->FillMeas(vtx, n);
81be4ee8	363	fTriggerBiasCorrectionMBToOnePart->GetEventCorrection()->FillMeas(vtx, n);
74fd10b3	364	fVertexRecoCorrection->GetEventCorrection()->FillGene(vtx, n);
	365
	366	if (!vertex)
	367	return;
	368
	369	fVertexRecoCorrection->GetEventCorrection()->FillMeas(vtx, n);
	370	}
7584d357	371
847489f7	372	//____________________________________________________________________
c17301f3	373	Float_t AlidNdEtaCorrection::GetMeasuredFraction(CorrectionType correctionType, Float_t ptCutOff, Float_t eta, Int_t vertexBegin, Int_t vertexEnd, Bool_t debug)
847489f7	374	{
847489f7	375	// calculates the fraction of particles measured (some are missed due to the pt cut off)
74fd10b3	376	//
74fd10b3	377	// uses the generated particle histogram from the correction passed, e.g. pass GetTrack2ParticleCorrection()
847489f7	378
0448e811	379	if (!GetCorrection(correctionType))
	380	return -1;
	381
5a6310fe	382	const TH3* generated = GetCorrection(correctionType)->GetTrackCorrection()->GetGeneratedHistogram();
847489f7	383
	384	// find eta borders, if eta is negative assume -0.8 ... 0.8
	385	Int_t etaBegin = 0;
	386	Int_t etaEnd = 0;
700a5a26	387	const TAxis * xax = generated->GetXaxis();
700a5a26	388	const TAxis * yax = generated->GetYaxis();
72e597d7	389	if (eta < -99)
847489f7	390	{
700a5a26	391	etaBegin = yax->FindFixBin(-0.8);
700a5a26	392	etaEnd = yax->FindFixBin(0.8);
847489f7	393	}
	394	else
	395	{
700a5a26	396	etaBegin = yax->FindFixBin(eta);
847489f7	397	etaEnd = etaBegin;
	398	}
	399
c17301f3	400	if (vertexBegin == -1)
700a5a26	401	vertexBegin = xax->FindFixBin(-9.99);
c17301f3	402
c17301f3	403	if (vertexEnd == -1)
700a5a26	404	vertexEnd = xax->FindFixBin(9.99);
847489f7	405
92d2d8ad	406	TH1D* ptProj = dynamic_cast<TH1D*> (generated->ProjectionZ(Form("%s_pt", generated->GetName()), vertexBegin, vertexEnd, etaBegin, etaEnd));
b4b9cacc	407	//printf("GetMeasuredFraction: bin range %d %d %d %d\n", vertexBegin, vertexEnd, etaBegin, etaEnd);
1afae8ff	408	ptProj->GetXaxis()->SetTitle(generated->GetZaxis()->GetTitle());
847489f7	409
847489f7	410	Int_t ptBin = ptProj->FindBin(ptCutOff);
b4b9cacc	411	//printf("GetMeasuredFraction: bin range %d %d\n", ptBin, ptProj->GetNbinsX());
7307d52c	412	Float_t abovePtCut = ptProj->Integral(ptBin, ptProj->GetNbinsX()+1);
7307d52c	413	Float_t all = ptProj->Integral(1, ptProj->GetNbinsX()+1);
847489f7	414
	415	if (all == 0)
	416	return -1;
	417
	418	Float_t fraction = abovePtCut / all;
	419
b4b9cacc	420	//printf("GetMeasuredFraction: all %f above %f fraction %f\n", all, abovePtCut, fraction);
74fd10b3	421
847489f7	422	if (debug)
	423	{
	424	new TCanvas;
	425	ptProj->Draw();
	426	}
92d2d8ad	427	else
92d2d8ad	428	delete ptProj;
847489f7	429
72e597d7	430	if (debug)
	431	printf("AlidNdEtaCorrection::GetMeasuredFraction: pt cut off = %f, eta = %f, => fraction = %f\n", ptCutOff, eta, fraction);
	432
847489f7	433	return fraction;
	434	}
	435
3dfa46a4	436	//____________________________________________________________________
	437	TH1* AlidNdEtaCorrection::GetMeasuredEventFraction(CorrectionType correctionType, Int_t multCut)
	438	{
	439	// calculates the fraction of events above multCut (but including it)
	440	//
	441	// uses the generated event histogram from the correction passed, e.g. pass GetTrack2ParticleCorrection()
	442
	443	if (!GetCorrection(correctionType))
	444	return 0;
	445
5a6310fe	446	const TH2* generated = GetCorrection(correctionType)->GetEventCorrection()->GetGeneratedHistogram();
3dfa46a4	447
3dfa46a4	448	TH1* allEvents = generated->ProjectionX(Form("%s_all", generated->GetName()), 1, generated->GetNbinsY());
700a5a26	449	TH1* aboveEvents = generated->ProjectionX(Form("%s_above", generated->GetName()), generated->GetYaxis()->FindFixBin(multCut), generated->GetNbinsY());
3dfa46a4	450
	451	aboveEvents->Divide(aboveEvents, allEvents, 1, 1, "B");
	452
	453	return aboveEvents;
	454	}
	455
74fd10b3	456	//____________________________________________________________________
0ab29cfa	457	void AlidNdEtaCorrection::ReduceInformation()
	458	{
	459	// this function deletes the measured and generated histograms from the corrections to reduce the amount of data
	460	// in memory
	461
	462	// these are needed for GetMeasuredFraction(): fTrack2ParticleCorrection->ReduceInformation();
7584d357	463	fVertexRecoCorrection ->ReduceInformation();
	464	fTriggerBiasCorrectionMBToINEL ->ReduceInformation();
	465	fTriggerBiasCorrectionMBToNSD ->ReduceInformation();
	466	fTriggerBiasCorrectionMBToND ->ReduceInformation();
81be4ee8	467	fTriggerBiasCorrectionMBToOnePart ->ReduceInformation();
0ab29cfa	468	}
7af955da	469
0448e811	470	//____________________________________________________________________
	471	AliCorrection* AlidNdEtaCorrection::GetCorrection(CorrectionType correctionType)
	472	{
	473	// returns the given correction
	474
	475	switch (correctionType)
	476	{
	477	case kNone : return 0;
	478	case kTrack2Particle : return fTrack2ParticleCorrection;
	479	case kVertexReco : return fVertexRecoCorrection;
	480	case kINEL : return fTriggerBiasCorrectionMBToINEL;
	481	case kNSD : return fTriggerBiasCorrectionMBToNSD;
	482	case kND : return fTriggerBiasCorrectionMBToND;
81be4ee8	483	case kOnePart : return fTriggerBiasCorrectionMBToOnePart;
0448e811	484	}
	485
	486	return 0;
	487	}