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

//
// This class calculates the exclusive charged particle density
// in each for the 5 FMD rings. 
//
#include "AliFMDCorrector.h"
#include <AliESDFMD.h>
#include <TAxis.h>
#include <TList.h>
#include <TMath.h>
#include "AliForwardCorrectionManager.h"
// #include "AliFMDCorrDoubleHit.h"
#include "AliFMDCorrVertexBias.h"
#include "AliFMDCorrMergingEfficiency.h"
#include "AliFMDCorrAcceptance.h"
#include "AliLog.h"
#include <TH2D.h>
#include <TROOT.h>
#include <THStack.h>
#include <iostream>
#include <iomanip>

ClassImp(AliFMDCorrector)
#if 0
; // For Emacs
#endif 

//____________________________________________________________________
AliFMDCorrector::AliFMDCorrector()
  : TNamed(), 
    fRingHistos(),
    fUseSecondaryMap(true),
    fUseVertexBias(false),
    fUseAcceptance(true),
    fUseMergingEfficiency(false),
    fDebug(0)
{
  // Constructor
  DGUARD(fDebug, 0, "Default CTOR of AliFMDCorrector");
}

//____________________________________________________________________
AliFMDCorrector::AliFMDCorrector(const char* title)
  : TNamed("fmdCorrector", title), 
    fRingHistos(), 
    fUseSecondaryMap(true),
    fUseVertexBias(false),
    fUseAcceptance(true),
    fUseMergingEfficiency(false),
    fDebug(0)
{
  // Constructor 
  // 
  // Parameters: 
  //   title   Title
  DGUARD(fDebug, 0, "Named CTOR of AliFMDCorrector: %s", title);
  fRingHistos.SetName(GetName());
  fRingHistos.Add(new RingHistos(1, 'I'));
  fRingHistos.Add(new RingHistos(2, 'I'));
  fRingHistos.Add(new RingHistos(2, 'O'));
  fRingHistos.Add(new RingHistos(3, 'I'));
  fRingHistos.Add(new RingHistos(3, 'O'));
}

//____________________________________________________________________
AliFMDCorrector::AliFMDCorrector(const AliFMDCorrector& o)
  : TNamed(o), 
    fRingHistos(), 
    fUseSecondaryMap(o.fUseSecondaryMap),
    fUseVertexBias(o.fUseVertexBias),
    fUseAcceptance(o.fUseAcceptance),
    fUseMergingEfficiency(o.fUseMergingEfficiency),
    fDebug(o.fDebug)
{
  // Copy constructor 
  // 
  // Parameters: 
  //  o  Object to copy from 
  DGUARD(fDebug, 0, "Copy CTOR of AliFMDCorrector");
  TIter    next(&o.fRingHistos);
  TObject* obj = 0;
  while ((obj = next())) fRingHistos.Add(obj);
}

//____________________________________________________________________
AliFMDCorrector::~AliFMDCorrector()
{
  // Destructor 
  // 
  // 
  DGUARD(fDebug, 3, "DTOR of AliFMDCorrector");
  fRingHistos.Delete();
}

//____________________________________________________________________
AliFMDCorrector&
AliFMDCorrector::operator=(const AliFMDCorrector& o)
{
  // Assignment operator 
  // 
  // Parameters:
  //   o   Object to assign from 
  DGUARD(fDebug, 3, "Assignment of AliFMDCorrector");
  if (&o == this) return *this; 
  TNamed::operator=(o);

  fDebug   = o.fDebug;
  fRingHistos.Delete();
  fUseSecondaryMap = o.fUseSecondaryMap;
  fUseVertexBias = o.fUseVertexBias;
  fUseAcceptance = o.fUseAcceptance;
  fUseMergingEfficiency = o.fUseMergingEfficiency;
  TIter    next(&o.fRingHistos);
  TObject* obj = 0;
  while ((obj = next())) fRingHistos.Add(obj);
  
  return *this;
}

//____________________________________________________________________
void
AliFMDCorrector::Init(const TAxis&)
{
  //
  // Initialize this object
  //
  // Parameters:
  //    etaAxis Eta axis to use
  //
  DGUARD(fDebug, 1, "Initialization of AliFMDCorrector");
  if (!fUseSecondaryMap)
    AliWarning("Secondary maps not used - BE CAREFUL");
  if (!fUseVertexBias)
    AliWarning("Vertex bias not used");
  if (!fUseAcceptance)
    AliWarning("Acceptance from dead-channels not used");
}

//____________________________________________________________________
AliFMDCorrector::RingHistos*
AliFMDCorrector::GetRingHistos(UShort_t d, Char_t r) const
{
  // 
  // Get the ring histogram container 
  // Parameters:
  //    d Detector
  //    r Ring 
  // 
  // Return:
  //    Ring histogram container 
  //
  Int_t idx = -1;
  switch (d) { 
  case 1: idx = 0; break;
  case 2: idx = 1 + (r == 'I' || r == 'i' ? 0 : 1); break;
  case 3: idx = 3 + (r == 'I' || r == 'i' ? 0 : 1); break;
  }
  if (idx < 0 || idx >= fRingHistos.GetEntries()) return 0;
  
  return static_cast<RingHistos*>(fRingHistos.At(idx));
}
    
//____________________________________________________________________
Bool_t
AliFMDCorrector::Correct(AliForwardUtil::Histos& hists,
			 UShort_t                vtxbin)
{
  // 
  // Do the calculations 
  // Parameters:
  //    hists    Cache of histograms 
  //    vtxBin   Vertex bin 
  // 
  // Return:
  //    true on successs 
  //
  DGUARD(fDebug, 1, "Correct histograms of AliFMDCorrector");
  AliForwardCorrectionManager& fcm = AliForwardCorrectionManager::Instance();

  UShort_t uvb = vtxbin;
  for (UShort_t d=1; d<=3; d++) { 
    UShort_t nr = (d == 1 ? 1 : 2);
    for (UShort_t q=0; q<nr; q++) { 
      Char_t      r  = (q == 0 ? 'I' : 'O');
      TH2D*       h  = hists.Get(d,r);
      RingHistos* rh = GetRingHistos(d,r);

      if (fUseSecondaryMap) {
        TH2D*  bg = fcm.GetSecondaryMap()->GetCorrection(d, r, uvb);
        if (!bg) {
          AliWarning(Form("No secondary correction for FMDM%d%c "
			  "in vertex bin %d", d, r, uvb));
          continue;
        }
        // Divide by primary/total ratio
        h->Divide(bg);
      }
      if (fUseVertexBias) {
        TH2D*  ef = fcm.GetVertexBias()->GetCorrection(r, uvb);
        if (!ef) {
          AliWarning(Form("No event %s vertex bias correction in vertex bin %d",
                          (r == 'I' || r == 'i' ? "inner" : "outer"), uvb));
          continue;
        }
        // Divide by the event selection efficiency
        h->Divide(ef);
      }
      if (fUseAcceptance) {
        TH2D*  ac = fcm.GetAcceptance()->GetCorrection(d, r, uvb);
        if (!ac) {
          AliWarning(Form("No acceptance correction for FMD%d%c in "
			  "vertex bin %d", d, r, uvb));
          continue;
        }
        // Divide by the acceptance correction
        h->Divide(ac);
      }

      if (fUseMergingEfficiency) {
	if (!fcm.GetMergingEfficiency()) { 
	  AliWarning("No merging efficiencies");
	  continue;
	}
	TH1D* sf = fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb);
	if (!fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb)) { 
	  AliWarning(Form("No merging efficiency for FMD%d%c at vertex bin %d",
			  d, r, uvb));
	  continue;
	}
	
      
	for (Int_t ieta = 1; ieta <= h->GetNbinsX(); ieta++) {
	  Float_t c  = sf->GetBinContent(ieta);
	  Float_t ec = sf->GetBinError(ieta);
	  
	  if (c == 0) continue;
	  
	  for (Int_t iphi = 1; iphi <= h->GetNbinsY(); iphi++) { 
	    Double_t m  = h->GetBinContent(ieta, iphi) / c;
	    Double_t em = h->GetBinError(ieta, iphi);
	  
	    Double_t e  = TMath::Sqrt(em * em + (m * ec) * (m * ec));
	    
	    h->SetBinContent(ieta,iphi,m);
	    h->SetBinError(ieta,iphi,e);
	  }
	}
      }
      //HHD
      /*
      TH2D*  bg = fcm.GetSecondaryMap()->GetCorrection(d, r, uvb);
      TH2D   hRing("hring","hring",bg->GetNbinsX(),
		   bg->GetXaxis()->GetXmin(),
		   bg->GetXaxis()->GetXmax(),
		   bg->GetNbinsY(),
		   bg->GetYaxis()->GetXmin(),
		   bg->GetYaxis()->GetXmax());
      
      Int_t edgebin[4] = {0,0,0,0};
      for(Int_t ii = 1; ii <=bg->GetNbinsX(); ii++) {
	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	  Float_t bgcor = bg->GetBinContent(ii,jj);
	  if(bgcor<0.1) continue;
	  if(edgebin[0] == 0) edgebin[0] = ii;
	  if(edgebin[0] == ii) continue;
	  if(edgebin[0] > 0 && edgebin[1] == 0) edgebin[1] = ii;
	  if(edgebin[0]>0 && edgebin[1]>0) break; 
	}
      }
      for(Int_t ii = bg->GetNbinsX(); ii >= 1;  ii--) {
	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	  Float_t bgcor = bg->GetBinContent(ii,jj);
	  if(bgcor<0.1) continue;
	  if(edgebin[2] == 0) edgebin[2] = ii;
	  if(edgebin[2] == ii) continue;
	  if(edgebin[2] > 0 && edgebin[3] == 0) edgebin[3] = ii;
	  if(edgebin[2]>0 && edgebin[3]>0) break; 
	}
      }
      for(Int_t ii = 1; ii <=bg->GetNbinsX(); ii++) {
	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	  Float_t data = h->GetBinContent(ii,jj);
	  if(data <0.000001) continue;
	  if(edgebin[0] == ii || edgebin[1] == ii || edgebin[2] == ii || edgebin[3] == ii) continue;
	  hRing.SetBinContent(ii,jj,data);
	  hRing.SetBinError(ii,jj,h->GetBinError(ii,jj));
	}
      }
      
      //std::cout<<edgebin[0]<<"  "<<edgebin[1]<<"  "<<edgebin[2]<<"   "<<edgebin[3]<<std::endl;
      */
      
      rh->fDensity->Add(h);
    }
  }
  
  return kTRUE;
}

//____________________________________________________________________
void
AliFMDCorrector::ScaleHistograms(const TList* dir, Int_t nEvents)
{
  // 
  // Scale the histograms to the total number of events 
  // Parameters:
  //    dir     Where the output is stored
  //    nEvents Number of events 
  //
  DGUARD(fDebug, 1, "Scale histograms of AliFMDCorrector");
  if (nEvents <= 0) return;
  TList* d = static_cast<TList*>(dir->FindObject(GetName()));
  if (!d) return;

  TIter    next(&fRingHistos);
  RingHistos* o = 0;
  THStack* sums = new THStack("sums", "Sums of ring results");
  while ((o = static_cast<RingHistos*>(next()))) {
    o->ScaleHistograms(d, nEvents);
    TH1D* sum = o->fDensity->ProjectionX(o->GetName(), 1, 
					 o->fDensity->GetNbinsY(),"e");
    sum->Scale(1., "width");
    sum->SetTitle(o->GetName());
    sum->SetDirectory(0);
    sum->SetYTitle("#sum N_{ch,primary}");
    sums->Add(sum);
  }
  d->Add(sums);

}
//____________________________________________________________________
void
AliFMDCorrector::DefineOutput(TList* dir)
{
  // 
  // Output diagnostic histograms to directory 
  // 
  // Parameters:
  //    dir List to write in
  //  
  DGUARD(fDebug, 1, "Define output of AliFMDCorrector");
  TList* d = new TList;
  d->SetName(GetName());
  dir->Add(d);

  d->Add(AliForwardUtil::MakeParameter("secondary", fUseSecondaryMap));
  d->Add(AliForwardUtil::MakeParameter("vertexBias", fUseVertexBias));
  d->Add(AliForwardUtil::MakeParameter("acceptance", fUseAcceptance));
  d->Add(AliForwardUtil::MakeParameter("merging", fUseMergingEfficiency));
  

  TIter    next(&fRingHistos);
  RingHistos* o = 0;
  while ((o = static_cast<RingHistos*>(next()))) {
    o->Output(d);
  }
}

//____________________________________________________________________
void
AliFMDCorrector::Print(Option_t* /* option */) const
{
  // 
  // Print information
  // Parameters:
  //    option Not used 
  //
  char ind[gROOT->GetDirLevel()+1];
  for (Int_t i = 0; i < gROOT->GetDirLevel(); i++) ind[i] = ' ';
  ind[gROOT->GetDirLevel()] = '\0';
  std::cout << ind << ClassName() << ": " << GetName() <<  "\n"
            << std::boolalpha
            << ind << " Use secondary maps:     " << fUseSecondaryMap << "\n"
            << ind << " Use vertex bias:        " << fUseVertexBias << "\n"
            << ind << " Use acceptance:         " << fUseAcceptance << "\n"
            << ind << " Use merging efficiency: " << fUseMergingEfficiency
            << std::noboolalpha << std::endl;
}

//====================================================================
AliFMDCorrector::RingHistos::RingHistos()
  : AliForwardUtil::RingHistos(), 
    fDensity(0)
{
  // Constructor 
  //
  // 
}

//____________________________________________________________________
AliFMDCorrector::RingHistos::RingHistos(UShort_t d, Char_t r)
  : AliForwardUtil::RingHistos(d,r), 
    fDensity(0)
{
  // 
  // Constructor
  // Parameters:
  //    d detector
  //    r ring 
  //
  fDensity = new TH2D("primaryDensity", 
		      "#sum N_{ch,primary}/(#Delta#eta#Delta#phi)", 
		      200, -4, 6, (r == 'I' || r == 'i' ? 20 : 40), 
		      0, 2*TMath::Pi());
  fDensity->SetDirectory(0);
  fDensity->SetMarkerColor(Color());
  fDensity->Sumw2();
  fDensity->SetXTitle("#eta");
  fDensity->SetYTitle("#phi [radians]");
  fDensity->SetZTitle("Primary N_{ch} density");
}
//____________________________________________________________________
AliFMDCorrector::RingHistos::RingHistos(const RingHistos& o)
  : AliForwardUtil::RingHistos(o), 
    fDensity(o.fDensity)
{
  // 
  // Copy constructor 
  // Parameters:
  //    o Object to copy from 
  //
}

//____________________________________________________________________
AliFMDCorrector::RingHistos&
AliFMDCorrector::RingHistos::operator=(const RingHistos& o)
{
  // 
  // Assignment operator 
  // Parameters:
  //    o Object to assign from 
  // 
  // Return:
  //    Reference to this 
  //
  if (&o == this) return *this; 
  AliForwardUtil::RingHistos::operator=(o);
  
  if (fDensity) delete fDensity;
  
  fDensity = static_cast<TH2D*>(o.fDensity->Clone());
  
  return *this;
}
//____________________________________________________________________
AliFMDCorrector::RingHistos::~RingHistos()
{
  // 
  // Destructor 
  //
  // if (fDensity) delete fDensity;
}

//____________________________________________________________________
void
AliFMDCorrector::RingHistos::Output(TList* dir)
{
  // 
  // Make output 
  // Parameters:
  //    dir Where to put it 
  //
  TList* d = DefineOutputList(dir);
  d->Add(fDensity);
}

//____________________________________________________________________
void
AliFMDCorrector::RingHistos::ScaleHistograms(TList* dir, Int_t nEvents)
{ 
  // 
  // Scale the histograms to the total number of events 
  // Parameters:
  //    dir     where the output is stored
  //    nEvents Number of events 
  //
  TList* l = GetOutputList(dir);
  if (!l) return; 

  TH1* density = GetOutputHist(l,"primaryDensity");
  if (density) density->Scale(1./nEvents);
}

//____________________________________________________________________
//
// EOF
//
Commit	Line	Data
	1	//
	2	// This class calculates the exclusive charged particle density
	3	// in each for the 5 FMD rings.
	4	//
	5	#include "AliFMDCorrector.h"
	6	#include <AliESDFMD.h>
	7	#include <TAxis.h>
	8	#include <TList.h>
	9	#include <TMath.h>
	10	#include "AliForwardCorrectionManager.h"
	11	// #include "AliFMDCorrDoubleHit.h"
	12	#include "AliFMDCorrVertexBias.h"
	13	#include "AliFMDCorrMergingEfficiency.h"
	14	#include "AliFMDCorrAcceptance.h"
	15	#include "AliLog.h"
	16	#include <TH2D.h>
	17	#include <TROOT.h>
	18	#include <THStack.h>
	19	#include <iostream>
	20	#include <iomanip>
	21
	22	ClassImp(AliFMDCorrector)
	23	#if 0
	24	; // For Emacs
	25	#endif
	26
	27	//____________________________________________________________________
	28	AliFMDCorrector::AliFMDCorrector()
	29	: TNamed(),
	30	fRingHistos(),
	31	fUseSecondaryMap(true),
	32	fUseVertexBias(false),
	33	fUseAcceptance(true),
	34	fUseMergingEfficiency(false),
	35	fDebug(0)
	36	{
	37	// Constructor
	38	DGUARD(fDebug, 0, "Default CTOR of AliFMDCorrector");
	39	}
	40
	41	//____________________________________________________________________
	42	AliFMDCorrector::AliFMDCorrector(const char* title)
	43	: TNamed("fmdCorrector", title),
	44	fRingHistos(),
	45	fUseSecondaryMap(true),
	46	fUseVertexBias(false),
	47	fUseAcceptance(true),
	48	fUseMergingEfficiency(false),
	49	fDebug(0)
	50	{
	51	// Constructor
	52	//
	53	// Parameters:
	54	// title Title
	55	DGUARD(fDebug, 0, "Named CTOR of AliFMDCorrector: %s", title);
	56	fRingHistos.SetName(GetName());
	57	fRingHistos.Add(new RingHistos(1, 'I'));
	58	fRingHistos.Add(new RingHistos(2, 'I'));
	59	fRingHistos.Add(new RingHistos(2, 'O'));
	60	fRingHistos.Add(new RingHistos(3, 'I'));
	61	fRingHistos.Add(new RingHistos(3, 'O'));
	62	}
	63
	64	//____________________________________________________________________
	65	AliFMDCorrector::AliFMDCorrector(const AliFMDCorrector& o)
	66	: TNamed(o),
	67	fRingHistos(),
	68	fUseSecondaryMap(o.fUseSecondaryMap),
	69	fUseVertexBias(o.fUseVertexBias),
	70	fUseAcceptance(o.fUseAcceptance),
	71	fUseMergingEfficiency(o.fUseMergingEfficiency),
	72	fDebug(o.fDebug)
	73	{
	74	// Copy constructor
	75	//
	76	// Parameters:
	77	// o Object to copy from
	78	DGUARD(fDebug, 0, "Copy CTOR of AliFMDCorrector");
	79	TIter next(&o.fRingHistos);
	80	TObject* obj = 0;
	81	while ((obj = next())) fRingHistos.Add(obj);
	82	}
	83
	84	//____________________________________________________________________
	85	AliFMDCorrector::~AliFMDCorrector()
	86	{
	87	// Destructor
	88	//
	89	//
	90	DGUARD(fDebug, 3, "DTOR of AliFMDCorrector");
	91	fRingHistos.Delete();
	92	}
	93
	94	//____________________________________________________________________
	95	AliFMDCorrector&
	96	AliFMDCorrector::operator=(const AliFMDCorrector& o)
	97	{
	98	// Assignment operator
	99	//
	100	// Parameters:
	101	// o Object to assign from
	102	DGUARD(fDebug, 3, "Assignment of AliFMDCorrector");
	103	if (&o == this) return *this;
	104	TNamed::operator=(o);
	105
	106	fDebug = o.fDebug;
	107	fRingHistos.Delete();
	108	fUseSecondaryMap = o.fUseSecondaryMap;
	109	fUseVertexBias = o.fUseVertexBias;
	110	fUseAcceptance = o.fUseAcceptance;
	111	fUseMergingEfficiency = o.fUseMergingEfficiency;
	112	TIter next(&o.fRingHistos);
	113	TObject* obj = 0;
	114	while ((obj = next())) fRingHistos.Add(obj);
	115
	116	return *this;
	117	}
	118
	119	//____________________________________________________________________
	120	void
	121	AliFMDCorrector::Init(const TAxis&)
	122	{
	123	//
	124	// Initialize this object
	125	//
	126	// Parameters:
	127	// etaAxis Eta axis to use
	128	//
	129	DGUARD(fDebug, 1, "Initialization of AliFMDCorrector");
	130	if (!fUseSecondaryMap)
	131	AliWarning("Secondary maps not used - BE CAREFUL");
	132	if (!fUseVertexBias)
	133	AliWarning("Vertex bias not used");
	134	if (!fUseAcceptance)
	135	AliWarning("Acceptance from dead-channels not used");
	136	}
	137
	138	//____________________________________________________________________
	139	AliFMDCorrector::RingHistos*
	140	AliFMDCorrector::GetRingHistos(UShort_t d, Char_t r) const
	141	{
	142	//
	143	// Get the ring histogram container
	144	// Parameters:
	145	// d Detector
	146	// r Ring
	147	//
	148	// Return:
	149	// Ring histogram container
	150	//
	151	Int_t idx = -1;
	152	switch (d) {
	153	case 1: idx = 0; break;
	154	case 2: idx = 1 + (r == 'I' \|\| r == 'i' ? 0 : 1); break;
	155	case 3: idx = 3 + (r == 'I' \|\| r == 'i' ? 0 : 1); break;
	156	}
	157	if (idx < 0 \|\| idx >= fRingHistos.GetEntries()) return 0;
	158
	159	return static_cast<RingHistos*>(fRingHistos.At(idx));
	160	}
	161
	162	//____________________________________________________________________
	163	Bool_t
	164	AliFMDCorrector::Correct(AliForwardUtil::Histos& hists,
	165	UShort_t vtxbin)
	166	{
	167	//
	168	// Do the calculations
	169	// Parameters:
	170	// hists Cache of histograms
	171	// vtxBin Vertex bin
	172	//
	173	// Return:
	174	// true on successs
	175	//
	176	DGUARD(fDebug, 1, "Correct histograms of AliFMDCorrector");
	177	AliForwardCorrectionManager& fcm = AliForwardCorrectionManager::Instance();
	178
	179	UShort_t uvb = vtxbin;
	180	for (UShort_t d=1; d<=3; d++) {
	181	UShort_t nr = (d == 1 ? 1 : 2);
	182	for (UShort_t q=0; q<nr; q++) {
	183	Char_t r = (q == 0 ? 'I' : 'O');
	184	TH2D* h = hists.Get(d,r);
	185	RingHistos* rh = GetRingHistos(d,r);
	186
	187	if (fUseSecondaryMap) {
	188	TH2D* bg = fcm.GetSecondaryMap()->GetCorrection(d, r, uvb);
	189	if (!bg) {
	190	AliWarning(Form("No secondary correction for FMDM%d%c "
	191	"in vertex bin %d", d, r, uvb));
	192	continue;
	193	}
	194	// Divide by primary/total ratio
	195	h->Divide(bg);
	196	}
	197	if (fUseVertexBias) {
	198	TH2D* ef = fcm.GetVertexBias()->GetCorrection(r, uvb);
	199	if (!ef) {
	200	AliWarning(Form("No event %s vertex bias correction in vertex bin %d",
	201	(r == 'I' \|\| r == 'i' ? "inner" : "outer"), uvb));
	202	continue;
	203	}
	204	// Divide by the event selection efficiency
	205	h->Divide(ef);
	206	}
	207	if (fUseAcceptance) {
	208	TH2D* ac = fcm.GetAcceptance()->GetCorrection(d, r, uvb);
	209	if (!ac) {
	210	AliWarning(Form("No acceptance correction for FMD%d%c in "
	211	"vertex bin %d", d, r, uvb));
	212	continue;
	213	}
	214	// Divide by the acceptance correction
	215	h->Divide(ac);
	216	}
	217
	218	if (fUseMergingEfficiency) {
	219	if (!fcm.GetMergingEfficiency()) {
	220	AliWarning("No merging efficiencies");
	221	continue;
	222	}
	223	TH1D* sf = fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb);
	224	if (!fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb)) {
	225	AliWarning(Form("No merging efficiency for FMD%d%c at vertex bin %d",
	226	d, r, uvb));
	227	continue;
	228	}
	229
	230
	231	for (Int_t ieta = 1; ieta <= h->GetNbinsX(); ieta++) {
	232	Float_t c = sf->GetBinContent(ieta);
	233	Float_t ec = sf->GetBinError(ieta);
	234
	235	if (c == 0) continue;
	236
	237	for (Int_t iphi = 1; iphi <= h->GetNbinsY(); iphi++) {
	238	Double_t m = h->GetBinContent(ieta, iphi) / c;
	239	Double_t em = h->GetBinError(ieta, iphi);
	240
	241	Double_t e = TMath::Sqrt(em * em + (m * ec) * (m * ec));
	242
	243	h->SetBinContent(ieta,iphi,m);
	244	h->SetBinError(ieta,iphi,e);
	245	}
	246	}
	247	}
	248	//HHD
	249	/*
	250	TH2D* bg = fcm.GetSecondaryMap()->GetCorrection(d, r, uvb);
	251	TH2D hRing("hring","hring",bg->GetNbinsX(),
	252	bg->GetXaxis()->GetXmin(),
	253	bg->GetXaxis()->GetXmax(),
	254	bg->GetNbinsY(),
	255	bg->GetYaxis()->GetXmin(),
	256	bg->GetYaxis()->GetXmax());
	257
	258	Int_t edgebin[4] = {0,0,0,0};
	259	for(Int_t ii = 1; ii <=bg->GetNbinsX(); ii++) {
	260	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	261	Float_t bgcor = bg->GetBinContent(ii,jj);
	262	if(bgcor<0.1) continue;
	263	if(edgebin[0] == 0) edgebin[0] = ii;
	264	if(edgebin[0] == ii) continue;
	265	if(edgebin[0] > 0 && edgebin[1] == 0) edgebin[1] = ii;
	266	if(edgebin[0]>0 && edgebin[1]>0) break;
	267	}
	268	}
	269	for(Int_t ii = bg->GetNbinsX(); ii >= 1; ii--) {
	270	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	271	Float_t bgcor = bg->GetBinContent(ii,jj);
	272	if(bgcor<0.1) continue;
	273	if(edgebin[2] == 0) edgebin[2] = ii;
	274	if(edgebin[2] == ii) continue;
	275	if(edgebin[2] > 0 && edgebin[3] == 0) edgebin[3] = ii;
	276	if(edgebin[2]>0 && edgebin[3]>0) break;
	277	}
	278	}
	279	for(Int_t ii = 1; ii <=bg->GetNbinsX(); ii++) {
	280	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	281	Float_t data = h->GetBinContent(ii,jj);
	282	if(data <0.000001) continue;
	283	if(edgebin[0] == ii \|\| edgebin[1] == ii \|\| edgebin[2] == ii \|\| edgebin[3] == ii) continue;
	284	hRing.SetBinContent(ii,jj,data);
	285	hRing.SetBinError(ii,jj,h->GetBinError(ii,jj));
	286	}
	287	}
	288
	289	//std::cout<<edgebin[0]<<" "<<edgebin[1]<<" "<<edgebin[2]<<" "<<edgebin[3]<<std::endl;
	290	*/
	291
	292	rh->fDensity->Add(h);
	293	}
	294	}
	295
	296	return kTRUE;
	297	}
	298
	299	//____________________________________________________________________
	300	void
	301	AliFMDCorrector::ScaleHistograms(const TList* dir, Int_t nEvents)
	302	{
	303	//
	304	// Scale the histograms to the total number of events
	305	// Parameters:
	306	// dir Where the output is stored
	307	// nEvents Number of events
	308	//
	309	DGUARD(fDebug, 1, "Scale histograms of AliFMDCorrector");
	310	if (nEvents <= 0) return;
	311	TList* d = static_cast<TList*>(dir->FindObject(GetName()));
	312	if (!d) return;
	313
	314	TIter next(&fRingHistos);
	315	RingHistos* o = 0;
	316	THStack* sums = new THStack("sums", "Sums of ring results");
	317	while ((o = static_cast<RingHistos*>(next()))) {
	318	o->ScaleHistograms(d, nEvents);
	319	TH1D* sum = o->fDensity->ProjectionX(o->GetName(), 1,
	320	o->fDensity->GetNbinsY(),"e");
	321	sum->Scale(1., "width");
	322	sum->SetTitle(o->GetName());
	323	sum->SetDirectory(0);
	324	sum->SetYTitle("#sum N_{ch,primary}");
	325	sums->Add(sum);
	326	}
	327	d->Add(sums);
	328
	329	}
	330	//____________________________________________________________________
	331	void
	332	AliFMDCorrector::DefineOutput(TList* dir)
	333	{
	334	//
	335	// Output diagnostic histograms to directory
	336	//
	337	// Parameters:
	338	// dir List to write in
	339	//
	340	DGUARD(fDebug, 1, "Define output of AliFMDCorrector");
	341	TList* d = new TList;
	342	d->SetName(GetName());
	343	dir->Add(d);
	344
	345	d->Add(AliForwardUtil::MakeParameter("secondary", fUseSecondaryMap));
	346	d->Add(AliForwardUtil::MakeParameter("vertexBias", fUseVertexBias));
	347	d->Add(AliForwardUtil::MakeParameter("acceptance", fUseAcceptance));
	348	d->Add(AliForwardUtil::MakeParameter("merging", fUseMergingEfficiency));
	349
	350
	351	TIter next(&fRingHistos);
	352	RingHistos* o = 0;
	353	while ((o = static_cast<RingHistos*>(next()))) {
	354	o->Output(d);
	355	}
	356	}
	357
	358	//____________________________________________________________________
	359	void
	360	AliFMDCorrector::Print(Option_t* /* option */) const
	361	{
	362	//
	363	// Print information
	364	// Parameters:
	365	// option Not used
	366	//
	367	char ind[gROOT->GetDirLevel()+1];
	368	for (Int_t i = 0; i < gROOT->GetDirLevel(); i++) ind[i] = ' ';
	369	ind[gROOT->GetDirLevel()] = '\0';
	370	std::cout << ind << ClassName() << ": " << GetName() << "\n"
	371	<< std::boolalpha
	372	<< ind << " Use secondary maps: " << fUseSecondaryMap << "\n"
	373	<< ind << " Use vertex bias: " << fUseVertexBias << "\n"
	374	<< ind << " Use acceptance: " << fUseAcceptance << "\n"
	375	<< ind << " Use merging efficiency: " << fUseMergingEfficiency
	376	<< std::noboolalpha << std::endl;
	377	}
	378
	379	//====================================================================
	380	AliFMDCorrector::RingHistos::RingHistos()
	381	: AliForwardUtil::RingHistos(),
	382	fDensity(0)
	383	{
	384	// Constructor
	385	//
	386	//
	387	}
	388
	389	//____________________________________________________________________
	390	AliFMDCorrector::RingHistos::RingHistos(UShort_t d, Char_t r)
	391	: AliForwardUtil::RingHistos(d,r),
	392	fDensity(0)
	393	{
	394	//
	395	// Constructor
	396	// Parameters:
	397	// d detector
	398	// r ring
	399	//
	400	fDensity = new TH2D("primaryDensity",
	401	"#sum N_{ch,primary}/(#Delta#eta#Delta#phi)",
	402	200, -4, 6, (r == 'I' \|\| r == 'i' ? 20 : 40),
	403	0, 2*TMath::Pi());
	404	fDensity->SetDirectory(0);
	405	fDensity->SetMarkerColor(Color());
	406	fDensity->Sumw2();
	407	fDensity->SetXTitle("#eta");
	408	fDensity->SetYTitle("#phi [radians]");
	409	fDensity->SetZTitle("Primary N_{ch} density");
	410	}
	411	//____________________________________________________________________
	412	AliFMDCorrector::RingHistos::RingHistos(const RingHistos& o)
	413	: AliForwardUtil::RingHistos(o),
	414	fDensity(o.fDensity)
	415	{
	416	//
	417	// Copy constructor
	418	// Parameters:
	419	// o Object to copy from
	420	//
	421	}
	422
	423	//____________________________________________________________________
	424	AliFMDCorrector::RingHistos&
	425	AliFMDCorrector::RingHistos::operator=(const RingHistos& o)
	426	{
	427	//
	428	// Assignment operator
	429	// Parameters:
	430	// o Object to assign from
	431	//
	432	// Return:
	433	// Reference to this
	434	//
	435	if (&o == this) return *this;
	436	AliForwardUtil::RingHistos::operator=(o);
	437
	438	if (fDensity) delete fDensity;
	439
	440	fDensity = static_cast<TH2D*>(o.fDensity->Clone());
	441
	442	return *this;
	443	}
	444	//____________________________________________________________________
	445	AliFMDCorrector::RingHistos::~RingHistos()
	446	{
	447	//
	448	// Destructor
	449	//
	450	// if (fDensity) delete fDensity;
	451	}
	452
	453	//____________________________________________________________________
	454	void
	455	AliFMDCorrector::RingHistos::Output(TList* dir)
	456	{
	457	//
	458	// Make output
	459	// Parameters:
	460	// dir Where to put it
	461	//
	462	TList* d = DefineOutputList(dir);
	463	d->Add(fDensity);
	464	}
	465
	466	//____________________________________________________________________
	467	void
	468	AliFMDCorrector::RingHistos::ScaleHistograms(TList* dir, Int_t nEvents)
	469	{
	470	//
	471	// Scale the histograms to the total number of events
	472	// Parameters:
	473	// dir where the output is stored
	474	// nEvents Number of events
	475	//
	476	TList* l = GetOutputList(dir);
	477	if (!l) return;
	478
	479	TH1* density = GetOutputHist(l,"primaryDensity");
	480	if (density) density->Scale(1./nEvents);
	481	}
	482
	483	//____________________________________________________________________
	484	//
	485	// EOF
	486	//
	487
	488
	489