[u/mrichter/AliRoot.git] / PWG2 / 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
}

//____________________________________________________________________
AliFMDCorrector::AliFMDCorrector(const char* title)
  : TNamed("fmdCorrector", title), 
    fRingHistos(), 
    fUseSecondaryMap(true),
    fUseVertexBias(false),
    fUseAcceptance(true),
    fUseMergingEfficiency(false),
    fDebug(0)
{
  // Constructor 
  // 
  // Parameters: 
  //   title   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 
  TIter    next(&o.fRingHistos);
  TObject* obj = 0;
  while ((obj = next())) fRingHistos.Add(obj);
}

//____________________________________________________________________
AliFMDCorrector::~AliFMDCorrector()
{
  // Destructor 
  // 
  // 
  fRingHistos.Delete();
}

//____________________________________________________________________
AliFMDCorrector&
AliFMDCorrector::operator=(const AliFMDCorrector& o)
{
  // Assignment operator 
  // 
  // Parameters:
  //   o   Object to assign from 
  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
  //
  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 
  //
  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 
  //
  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
  //  
  TList* d = new TList;
  d->SetName(GetName());
  dir->Add(d);
  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 
  //
  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
7984e5f7	1	//
	2	// This class calculates the exclusive charged particle density
	3	// in each for the 5 FMD rings.
	4	//
72cc12cd	5	#include "AliFMDCorrector.h"
7e4038b5	6	#include <AliESDFMD.h>
	7	#include <TAxis.h>
	8	#include <TList.h>
	9	#include <TMath.h>
0bd4b00f	10	#include "AliForwardCorrectionManager.h"
fb3430ac	11	// #include "AliFMDCorrDoubleHit.h"
	12	#include "AliFMDCorrVertexBias.h"
	13	#include "AliFMDCorrMergingEfficiency.h"
	14	#include "AliFMDCorrAcceptance.h"
7e4038b5	15	#include "AliLog.h"
7e4038b5	16	#include <TH2D.h>
0bd4b00f	17	#include <TROOT.h>
5bb5d1f6	18	#include <THStack.h>
0bd4b00f	19	#include <iostream>
0bd4b00f	20	#include <iomanip>
7e4038b5	21
72cc12cd	22	ClassImp(AliFMDCorrector)
7e4038b5	23	#if 0
	24	; // For Emacs
	25	#endif
	26
	27	//____________________________________________________________________
72cc12cd	28	AliFMDCorrector::AliFMDCorrector()
7e4038b5	29	: TNamed(),
7e4038b5	30	fRingHistos(),
7ec4d843	31	fUseSecondaryMap(true),
9d05ffeb	32	fUseVertexBias(false),
7ec4d843	33	fUseAcceptance(true),
9d05ffeb	34	fUseMergingEfficiency(false),
ea3e5d95	35	fDebug(0)
7984e5f7	36	{
	37	// Constructor
	38	}
7e4038b5	39
7e4038b5	40	//____________________________________________________________________
72cc12cd	41	AliFMDCorrector::AliFMDCorrector(const char* title)
cc83fca2	42	: TNamed("fmdCorrector", title),
7e4038b5	43	fRingHistos(),
7ec4d843	44	fUseSecondaryMap(true),
9d05ffeb	45	fUseVertexBias(false),
7ec4d843	46	fUseAcceptance(true),
9d05ffeb	47	fUseMergingEfficiency(false),
ea3e5d95	48	fDebug(0)
7e4038b5	49	{
7984e5f7	50	// Constructor
	51	//
	52	// Parameters:
	53	// title Title
7e4038b5	54	fRingHistos.SetName(GetName());
	55	fRingHistos.Add(new RingHistos(1, 'I'));
	56	fRingHistos.Add(new RingHistos(2, 'I'));
	57	fRingHistos.Add(new RingHistos(2, 'O'));
	58	fRingHistos.Add(new RingHistos(3, 'I'));
	59	fRingHistos.Add(new RingHistos(3, 'O'));
	60	}
	61
	62	//____________________________________________________________________
72cc12cd	63	AliFMDCorrector::AliFMDCorrector(const AliFMDCorrector& o)
7e4038b5	64	: TNamed(o),
7e4038b5	65	fRingHistos(),
7ec4d843	66	fUseSecondaryMap(o.fUseSecondaryMap),
	67	fUseVertexBias(o.fUseVertexBias),
	68	fUseAcceptance(o.fUseAcceptance),
81eda625	69	fUseMergingEfficiency(o.fUseMergingEfficiency),
ea3e5d95	70	fDebug(o.fDebug)
7e4038b5	71	{
7984e5f7	72	// Copy constructor
	73	//
	74	// Parameters:
	75	// o Object to copy from
7e4038b5	76	TIter next(&o.fRingHistos);
	77	TObject* obj = 0;
	78	while ((obj = next())) fRingHistos.Add(obj);
	79	}
	80
	81	//____________________________________________________________________
72cc12cd	82	AliFMDCorrector::~AliFMDCorrector()
7e4038b5	83	{
7984e5f7	84	// Destructor
	85	//
	86	//
7e4038b5	87	fRingHistos.Delete();
	88	}
	89
	90	//____________________________________________________________________
72cc12cd	91	AliFMDCorrector&
72cc12cd	92	AliFMDCorrector::operator=(const AliFMDCorrector& o)
7e4038b5	93	{
7984e5f7	94	// Assignment operator
	95	//
	96	// Parameters:
	97	// o Object to assign from
ea3e5d95	98	TNamed::operator=(o);
7e4038b5	99
ea3e5d95	100	fDebug = o.fDebug;
7e4038b5	101	fRingHistos.Delete();
7ec4d843	102	fUseSecondaryMap = o.fUseSecondaryMap;
	103	fUseVertexBias = o.fUseVertexBias;
	104	fUseAcceptance = o.fUseAcceptance;
81eda625	105	fUseMergingEfficiency = o.fUseMergingEfficiency;
7e4038b5	106	TIter next(&o.fRingHistos);
	107	TObject* obj = 0;
	108	while ((obj = next())) fRingHistos.Add(obj);
	109
	110	return *this;
	111	}
	112
7ec4d843	113	//____________________________________________________________________
	114	void
	115	AliFMDCorrector::Init(const TAxis&)
	116	{
	117	//
	118	// Initialize this object
	119	//
	120	// Parameters:
	121	// etaAxis Eta axis to use
	122	//
	123	if (!fUseSecondaryMap)
	124	AliWarning("Secondary maps not used - BE CAREFUL");
	125	if (!fUseVertexBias)
	126	AliWarning("Vertex bias not used");
	127	if (!fUseAcceptance)
	128	AliWarning("Acceptance from dead-channels not used");
	129	}
	130
7e4038b5	131	//____________________________________________________________________
72cc12cd	132	AliFMDCorrector::RingHistos*
72cc12cd	133	AliFMDCorrector::GetRingHistos(UShort_t d, Char_t r) const
7e4038b5	134	{
7984e5f7	135	//
	136	// Get the ring histogram container
	137	// Parameters:
	138	// d Detector
	139	// r Ring
	140	//
	141	// Return:
	142	// Ring histogram container
	143	//
7e4038b5	144	Int_t idx = -1;
	145	switch (d) {
	146	case 1: idx = 0; break;
	147	case 2: idx = 1 + (r == 'I' \|\| r == 'i' ? 0 : 1); break;
	148	case 3: idx = 3 + (r == 'I' \|\| r == 'i' ? 0 : 1); break;
	149	}
	150	if (idx < 0 \|\| idx >= fRingHistos.GetEntries()) return 0;
	151
	152	return static_cast<RingHistos*>(fRingHistos.At(idx));
	153	}
	154
	155	//____________________________________________________________________
	156	Bool_t
72cc12cd	157	AliFMDCorrector::Correct(AliForwardUtil::Histos& hists,
7ec4d843	158	UShort_t vtxbin)
7e4038b5	159	{
7984e5f7	160	//
	161	// Do the calculations
	162	// Parameters:
	163	// hists Cache of histograms
	164	// vtxBin Vertex bin
	165	//
	166	// Return:
	167	// true on successs
	168	//
0bd4b00f	169	AliForwardCorrectionManager& fcm = AliForwardCorrectionManager::Instance();
7e4038b5	170
0bd4b00f	171	UShort_t uvb = vtxbin;
7e4038b5	172	for (UShort_t d=1; d<=3; d++) {
	173	UShort_t nr = (d == 1 ? 1 : 2);
	174	for (UShort_t q=0; q<nr; q++) {
72cc12cd	175	Char_t r = (q == 0 ? 'I' : 'O');
	176	TH2D* h = hists.Get(d,r);
	177	RingHistos* rh = GetRingHistos(d,r);
7ec4d843	178
	179	if (fUseSecondaryMap) {
	180	TH2D* bg = fcm.GetSecondaryMap()->GetCorrection(d, r, uvb);
	181	if (!bg) {
5bb5d1f6	182	AliWarning(Form("No secondary correction for FMDM%d%c "
5bb5d1f6	183	"in vertex bin %d", d, r, uvb));
7ec4d843	184	continue;
	185	}
	186	// Divide by primary/total ratio
	187	h->Divide(bg);
7e4038b5	188	}
7ec4d843	189	if (fUseVertexBias) {
	190	TH2D* ef = fcm.GetVertexBias()->GetCorrection(r, uvb);
	191	if (!ef) {
	192	AliWarning(Form("No event %s vertex bias correction in vertex bin %d",
	193	(r == 'I' \|\| r == 'i' ? "inner" : "outer"), uvb));
	194	continue;
	195	}
	196	// Divide by the event selection efficiency
	197	h->Divide(ef);
72cc12cd	198	}
7ec4d843	199	if (fUseAcceptance) {
	200	TH2D* ac = fcm.GetAcceptance()->GetCorrection(d, r, uvb);
	201	if (!ac) {
5bb5d1f6	202	AliWarning(Form("No acceptance correction for FMD%d%c in "
5bb5d1f6	203	"vertex bin %d", d, r, uvb));
7ec4d843	204	continue;
	205	}
	206	// Divide by the acceptance correction
	207	h->Divide(ac);
7e4038b5	208	}
7e4038b5	209
81eda625	210	if (fUseMergingEfficiency) {
	211	if (!fcm.GetMergingEfficiency()) {
	212	AliWarning("No merging efficiencies");
	213	continue;
	214	}
	215	TH1D* sf = fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb);
	216	if (!fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb)) {
	217	AliWarning(Form("No merging efficiency for FMD%d%c at vertex bin %d",
	218	d, r, uvb));
	219	continue;
	220	}
7e4038b5	221
81eda625	222
	223	for (Int_t ieta = 1; ieta <= h->GetNbinsX(); ieta++) {
	224	Float_t c = sf->GetBinContent(ieta);
	225	Float_t ec = sf->GetBinError(ieta);
	226
	227	if (c == 0) continue;
7e4038b5	228
81eda625	229	for (Int_t iphi = 1; iphi <= h->GetNbinsY(); iphi++) {
	230	Double_t m = h->GetBinContent(ieta, iphi) / c;
	231	Double_t em = h->GetBinError(ieta, iphi);
7e4038b5	232
81eda625	233	Double_t e = TMath::Sqrt(em * em + (m * ec) * (m * ec));
	234
	235	h->SetBinContent(ieta,iphi,m);
	236	h->SetBinError(ieta,iphi,e);
	237	}
7e4038b5	238	}
7e4038b5	239	}
12fffad7	240	//HHD
	241	/*
	242	TH2D* bg = fcm.GetSecondaryMap()->GetCorrection(d, r, uvb);
	243	TH2D hRing("hring","hring",bg->GetNbinsX(),
	244	bg->GetXaxis()->GetXmin(),
	245	bg->GetXaxis()->GetXmax(),
	246	bg->GetNbinsY(),
	247	bg->GetYaxis()->GetXmin(),
	248	bg->GetYaxis()->GetXmax());
	249
	250	Int_t edgebin[4] = {0,0,0,0};
	251	for(Int_t ii = 1; ii <=bg->GetNbinsX(); ii++) {
	252	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	253	Float_t bgcor = bg->GetBinContent(ii,jj);
	254	if(bgcor<0.1) continue;
	255	if(edgebin[0] == 0) edgebin[0] = ii;
	256	if(edgebin[0] == ii) continue;
	257	if(edgebin[0] > 0 && edgebin[1] == 0) edgebin[1] = ii;
	258	if(edgebin[0]>0 && edgebin[1]>0) break;
	259	}
	260	}
	261	for(Int_t ii = bg->GetNbinsX(); ii >= 1; ii--) {
	262	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	263	Float_t bgcor = bg->GetBinContent(ii,jj);
	264	if(bgcor<0.1) continue;
	265	if(edgebin[2] == 0) edgebin[2] = ii;
	266	if(edgebin[2] == ii) continue;
	267	if(edgebin[2] > 0 && edgebin[3] == 0) edgebin[3] = ii;
	268	if(edgebin[2]>0 && edgebin[3]>0) break;
	269	}
	270	}
	271	for(Int_t ii = 1; ii <=bg->GetNbinsX(); ii++) {
	272	for(Int_t jj = 1; jj <=bg->GetNbinsY(); jj++) {
	273	Float_t data = h->GetBinContent(ii,jj);
	274	if(data <0.000001) continue;
	275	if(edgebin[0] == ii \|\| edgebin[1] == ii \|\| edgebin[2] == ii \|\| edgebin[3] == ii) continue;
	276	hRing.SetBinContent(ii,jj,data);
	277	hRing.SetBinError(ii,jj,h->GetBinError(ii,jj));
	278	}
	279	}
	280
	281	//std::cout<<edgebin[0]<<" "<<edgebin[1]<<" "<<edgebin[2]<<" "<<edgebin[3]<<std::endl;
	282	*/
	283
7e4038b5	284	rh->fDensity->Add(h);
	285	}
	286	}
	287
	288	return kTRUE;
	289	}
	290
	291	//____________________________________________________________________
	292	void
fb3430ac	293	AliFMDCorrector::ScaleHistograms(const TList* dir, Int_t nEvents)
7e4038b5	294	{
7984e5f7	295	//
	296	// Scale the histograms to the total number of events
	297	// Parameters:
	298	// dir Where the output is stored
	299	// nEvents Number of events
	300	//
7e4038b5	301	if (nEvents <= 0) return;
9d99b0dd	302	TList* d = static_cast<TList*>(dir->FindObject(GetName()));
9d99b0dd	303	if (!d) return;
7e4038b5	304
	305	TIter next(&fRingHistos);
	306	RingHistos* o = 0;
5bb5d1f6	307	THStack* sums = new THStack("sums", "Sums of ring results");
5bb5d1f6	308	while ((o = static_cast<RingHistos*>(next()))) {
9d99b0dd	309	o->ScaleHistograms(d, nEvents);
5bb5d1f6	310	TH1D* sum = o->fDensity->ProjectionX(o->GetName(), 1,
	311	o->fDensity->GetNbinsY(),"e");
	312	sum->Scale(1., "width");
	313	sum->SetTitle(o->GetName());
	314	sum->SetDirectory(0);
	315	sum->SetYTitle("#sum N_{ch,primary}");
	316	sums->Add(sum);
	317	}
	318	d->Add(sums);
	319
7e4038b5	320	}
7e4038b5	321	//____________________________________________________________________
7e4038b5	322	void
72cc12cd	323	AliFMDCorrector::DefineOutput(TList* dir)
7e4038b5	324	{
fb3430ac	325	//
	326	// Output diagnostic histograms to directory
	327	//
	328	// Parameters:
	329	// dir List to write in
	330	//
7e4038b5	331	TList* d = new TList;
	332	d->SetName(GetName());
	333	dir->Add(d);
	334	TIter next(&fRingHistos);
	335	RingHistos* o = 0;
	336	while ((o = static_cast<RingHistos*>(next()))) {
	337	o->Output(d);
	338	}
	339	}
	340
0bd4b00f	341	//____________________________________________________________________
0bd4b00f	342	void
72cc12cd	343	AliFMDCorrector::Print(Option_t* /* option */) const
0bd4b00f	344	{
7984e5f7	345	//
	346	// Print information
	347	// Parameters:
	348	// option Not used
	349	//
0bd4b00f	350	char ind[gROOT->GetDirLevel()+1];
	351	for (Int_t i = 0; i < gROOT->GetDirLevel(); i++) ind[i] = ' ';
	352	ind[gROOT->GetDirLevel()] = '\0';
1f480471	353	std::cout << ind << ClassName() << ": " << GetName() << "\n"
7ec4d843	354	<< std::boolalpha
	355	<< ind << " Use secondary maps: " << fUseSecondaryMap << "\n"
	356	<< ind << " Use vertex bias: " << fUseVertexBias << "\n"
	357	<< ind << " Use acceptance: " << fUseAcceptance << "\n"
	358	<< ind << " Use merging efficiency: " << fUseMergingEfficiency
8e2bb72a	359	<< std::noboolalpha << std::endl;
0bd4b00f	360	}
0bd4b00f	361
7e4038b5	362	//====================================================================
72cc12cd	363	AliFMDCorrector::RingHistos::RingHistos()
9d99b0dd	364	: AliForwardUtil::RingHistos(),
7e4038b5	365	fDensity(0)
7984e5f7	366	{
	367	// Constructor
	368	//
	369	//
	370	}
7e4038b5	371
7e4038b5	372	//____________________________________________________________________
72cc12cd	373	AliFMDCorrector::RingHistos::RingHistos(UShort_t d, Char_t r)
9d99b0dd	374	: AliForwardUtil::RingHistos(d,r),
7e4038b5	375	fDensity(0)
7e4038b5	376	{
7984e5f7	377	//
	378	// Constructor
	379	// Parameters:
	380	// d detector
	381	// r ring
	382	//
5bb5d1f6	383	fDensity = new TH2D("primaryDensity",
5bb5d1f6	384	"#sum N_{ch,primary}/(#Delta#eta#Delta#phi)",
7e4038b5	385	200, -4, 6, (r == 'I' \|\| r == 'i' ? 20 : 40),
	386	0, 2*TMath::Pi());
	387	fDensity->SetDirectory(0);
5bb5d1f6	388	fDensity->SetMarkerColor(Color());
5bb5d1f6	389	fDensity->Sumw2();
7e4038b5	390	fDensity->SetXTitle("#eta");
	391	fDensity->SetYTitle("#phi [radians]");
	392	fDensity->SetZTitle("Primary N_{ch} density");
	393	}
	394	//____________________________________________________________________
72cc12cd	395	AliFMDCorrector::RingHistos::RingHistos(const RingHistos& o)
9d99b0dd	396	: AliForwardUtil::RingHistos(o),
7e4038b5	397	fDensity(o.fDensity)
7984e5f7	398	{
	399	//
	400	// Copy constructor
	401	// Parameters:
	402	// o Object to copy from
	403	//
	404	}
7e4038b5	405
7e4038b5	406	//____________________________________________________________________
72cc12cd	407	AliFMDCorrector::RingHistos&
72cc12cd	408	AliFMDCorrector::RingHistos::operator=(const RingHistos& o)
7e4038b5	409	{
7984e5f7	410	//
	411	// Assignment operator
	412	// Parameters:
	413	// o Object to assign from
	414	//
	415	// Return:
	416	// Reference to this
	417	//
9d99b0dd	418	AliForwardUtil::RingHistos::operator=(o);
7e4038b5	419
	420	if (fDensity) delete fDensity;
	421
	422	fDensity = static_cast<TH2D*>(o.fDensity->Clone());
	423
	424	return *this;
	425	}
	426	//____________________________________________________________________
72cc12cd	427	AliFMDCorrector::RingHistos::~RingHistos()
7e4038b5	428	{
7984e5f7	429	//
	430	// Destructor
	431	//
7e4038b5	432	if (fDensity) delete fDensity;
	433	}
	434
	435	//____________________________________________________________________
	436	void
72cc12cd	437	AliFMDCorrector::RingHistos::Output(TList* dir)
7e4038b5	438	{
7984e5f7	439	//
	440	// Make output
	441	// Parameters:
	442	// dir Where to put it
	443	//
9d99b0dd	444	TList* d = DefineOutputList(dir);
7e4038b5	445	d->Add(fDensity);
9d99b0dd	446	}
	447
	448	//____________________________________________________________________
	449	void
5bb5d1f6	450	AliFMDCorrector::RingHistos::ScaleHistograms(TList* dir, Int_t nEvents)
9d99b0dd	451	{
7984e5f7	452	//
	453	// Scale the histograms to the total number of events
	454	// Parameters:
	455	// dir where the output is stored
	456	// nEvents Number of events
	457	//
9d99b0dd	458	TList* l = GetOutputList(dir);
	459	if (!l) return;
	460
5bb5d1f6	461	TH1* density = GetOutputHist(l,"primaryDensity");
5bb5d1f6	462	if (density) density->Scale(1./nEvents);
7e4038b5	463	}
	464
	465	//____________________________________________________________________
	466	//
	467	// EOF
	468	//
	469
	470
	471