[u/mrichter/AliRoot.git] / FMD / analysis / AliFMDAnalysisTaskDndeta.cxx

 
#include <TROOT.h>
#include <TSystem.h>
#include <TInterpreter.h>
#include <TChain.h>
#include <TFile.h>
#include <TList.h>
#include <iostream>
#include "TH1F.h"
#include "TH2F.h"
#include "AliFMDAnalysisTaskDndeta.h"
#include "AliAnalysisManager.h"
#include "AliESDFMD.h"
#include "AliESDEvent.h"
#include "AliAODEvent.h"
#include "AliAODHandler.h"
#include "AliMCEventHandler.h"
#include "AliStack.h"
#include "AliLog.h"
#include "AliESDVertex.h"
#include "TMath.h"
#include "AliFMDAnaParameters.h"
//#include "AliFMDGeometry.h"
#include "AliGenEventHeader.h"
#include "AliHeader.h"
//#include "TDatabasePDG.h"
//#include "TParticlePDG.h"
#include "AliFMDStripIndex.h"
ClassImp(AliFMDAnalysisTaskDndeta)


AliFMDAnalysisTaskDndeta::AliFMDAnalysisTaskDndeta()
: fDebug(0),
  fOutputList(0),
  fInputList(0),
  fVertexString(0x0),
  fNevents(),
  fNMCevents(),
  fStandalone(kTRUE),
  fLastTrackByStrip(0)
{
  // Default constructor
  DefineInput (0, TList::Class());
  DefineOutput(0, TList::Class());
}
//_____________________________________________________________________
AliFMDAnalysisTaskDndeta::AliFMDAnalysisTaskDndeta(const char* name, Bool_t SE):
    AliAnalysisTask(name, "Density"),
    fDebug(0),
    fOutputList(0),
    fInputList(0),
    fVertexString(0x0),
    fNevents(),
    fNMCevents(),
    fStandalone(kTRUE),
    fLastTrackByStrip(0)
{
  fStandalone = SE;
  if(fStandalone) {
    DefineInput (0, TList::Class());
    DefineInput(1, TObjString::Class());
    DefineOutput(0, TList::Class());
    
  }
}
//_____________________________________________________________________
void AliFMDAnalysisTaskDndeta::CreateOutputObjects()
{
  AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
  
  if(!fOutputList)
    fOutputList = new TList();
  fOutputList->SetName("BackgroundCorrected");
  
  
  TH2F* hMult = 0;
  TH1F* hHits = 0;
  TH1F* hPrimVertexBin = 0;
  
  
  TH2F* hBgTmp   = pars->GetBackgroundCorrection(1, 'I', 0);
  TH1F* hPrimary = new TH1F("hMultvsEta","hMultvsEta",
			    hBgTmp->GetNbinsX(),
			    hBgTmp->GetXaxis()->GetXmin(),
			    hBgTmp->GetXaxis()->GetXmax());
  hPrimary->Sumw2();
  fOutputList->Add(hPrimary);
  Int_t nVtxbins = pars->GetNvtxBins();
  TH2F* hBg = 0;
  for(Int_t i = 0; i< nVtxbins; i++) {
     
    for(Int_t det =1; det<=3;det++)
      {
	Int_t nRings = (det==1 ? 1 : 2);
	for(Int_t ring = 0;ring<nRings;ring++)
	  {
	    Char_t ringChar = (ring == 0 ? 'I' : 'O');
	    Int_t  nSec     = (ring == 0 ? 20 : 40);
	    
	    
	    hBg = pars->GetBackgroundCorrection(det, ringChar, i);
	    hMult  = new TH2F(Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i),Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i),
			      hBg->GetNbinsX(),
			      hBg->GetXaxis()->GetXmin(),
			      hBg->GetXaxis()->GetXmax(),
			      nSec, 0, 2*TMath::Pi());
	    
	    hHits  = new TH1F(Form("hMCHits_FMD%d%c_vtxbin%d",det,ringChar,i),Form("hMCHits_FMD%d%c_vtxbin%d",det,ringChar,i),
			      hBg->GetNbinsX(),
			      hBg->GetXaxis()->GetXmin(),
			      hBg->GetXaxis()->GetXmax());
	    hHits->Sumw2();
	    fOutputList->Add(hHits);
	    
	    hMult->Sumw2();
	    fOutputList->Add(hMult);
	    
	  }
      } 
  }
  
  for(Int_t i = 0; i< nVtxbins; i++) {
   
    hPrimVertexBin = new TH1F(Form("primmult_vtxbin%d",i),
			      Form("primmult_vtxbin%d",i),
			      hBgTmp->GetNbinsX(),
			      hBgTmp->GetXaxis()->GetXmin(),
			      hBgTmp->GetXaxis()->GetXmax());
    hPrimVertexBin->Sumw2();
    fOutputList->Add(hPrimVertexBin);
    
  }
  
  fNevents.SetBins(nVtxbins,0,nVtxbins);
  fNevents.SetName("nEvents");
  fNMCevents.SetBins(nVtxbins,0,nVtxbins);
  fNMCevents.SetName("nMCEvents");
  fOutputList->Add(&fNevents);
  fOutputList->Add(&fNMCevents);
  
}
//_____________________________________________________________________
void AliFMDAnalysisTaskDndeta::ConnectInputData(Option_t */*option*/)
{
  if(fStandalone) {
    fInputList   = (TList*)GetInputData(0);
  }
}
//_____________________________________________________________________
void AliFMDAnalysisTaskDndeta::Exec(Option_t */*option*/)
{
  AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
  fVertexString = (TObjString*)fInputList->At(0);
  
  Int_t vtxbin   = fVertexString->GetString().Atoi();
  
  fNevents.Fill(vtxbin);
  
  for(UShort_t det=1;det<=3;det++) {
    Int_t nRings = (det==1 ? 1 : 2);
    for (UShort_t ir = 0; ir < nRings; ir++) {
      Char_t ringChar = (ir == 0 ? 'I' : 'O');
            
      TH2F* hMultTotal = (TH2F*)fOutputList->FindObject(Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
     
      
      TH2F* hMultInput = (TH2F*)fInputList->FindObject(Form("mult_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
      
      hMultTotal->Add(hMultInput);
            
    }
  }
  
  if(pars->GetProcessPrimary())
    ProcessPrimary();
  
  if(fStandalone) {
    PostData(0, fOutputList); 
  }
  
}
//_____________________________________________________________________
void AliFMDAnalysisTaskDndeta::Terminate(Option_t */*option*/) {
  
  
  AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
  
  Int_t nVtxbins = pars->GetNvtxBins();
  
  for(UShort_t det=1;det<=3;det++) {
    Int_t nRings = (det==1 ? 1 : 2);
    for (UShort_t ir = 0; ir < nRings; ir++) {
      Char_t ringChar = (ir == 0 ? 'I' : 'O');
      for(Int_t i =0; i<nVtxbins; i++) {
	
	TH2F* hMultTotal = (TH2F*)fOutputList->FindObject(Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i));
	TH2F* hMultTrVtx = (TH2F*)hMultTotal->Clone(Form("dNdeta_FMD%d%c_TrVtx_vtxbin%d",det,ringChar,i));
	
	hMultTotal->Scale(1/pars->GetEventSelectionEfficiency(i));
		
	TH1D* hMultProj   = hMultTotal->ProjectionX(Form("dNdeta_FMD%d%c_vtxbin%d_proj",det,ringChar,i),1,hMultTotal->GetNbinsY());
	TH1D* hMultProjTrVtx   = hMultTrVtx->ProjectionX(Form("dNdeta_FMD%d%c_TrVtx_vtxbin%d_proj",det,ringChar,i),1,hMultTotal->GetNbinsY());
	fOutputList->Add(hMultTrVtx);
	fOutputList->Add(hMultProj);
	fOutputList->Add(hMultProjTrVtx);
      }
    }
  }
  
}
//_____________________________________________________________________
void AliFMDAnalysisTaskDndeta::ProcessPrimary() {
  
  AliMCEventHandler* eventHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
  AliMCEvent* mcEvent = eventHandler->MCEvent();
  if(!mcEvent)
    return;
  
  fLastTrackByStrip.Reset(-1);
  
  AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
  
  AliMCParticle* particle = 0;
  AliStack* stack = mcEvent->Stack();
  
  TH1F* hPrimary = (TH1F*)fOutputList->FindObject("hMultvsEta");
  AliHeader* header            = mcEvent->Header();
  AliGenEventHeader* genHeader = header->GenEventHeader();
  
  TArrayF vertex;
  genHeader->PrimaryVertex(vertex);
  if(TMath::Abs(vertex.At(2)) > pars->GetVtxCutZ())
    return;
  Double_t delta           = 2*pars->GetVtxCutZ()/pars->GetNvtxBins();
  Double_t vertexBinDouble = (vertex.At(2) + pars->GetVtxCutZ()) / delta;
  Int_t    vertexBin       = (Int_t)vertexBinDouble;
    
  Bool_t firstTrack = kTRUE;
  
  // we loop over the primaries only unless we need the hits (diagnostics running slowly)
  Int_t nTracks = stack->GetNprimary();
  if(pars->GetProcessHits())
    nTracks = stack->GetNtrack();
  
  for(Int_t i = 0 ;i<nTracks;i++) {
    particle = (AliMCParticle*) mcEvent->GetTrack(i);
    if(!particle)
      continue;
   
    if(stack->IsPhysicalPrimary(i) && particle->Charge() != 0) {
      hPrimary->Fill(particle->Eta());
      

      TH1F* hPrimVtxBin = (TH1F*)fOutputList->FindObject(Form("primmult_vtxbin%d",vertexBin));
      hPrimVtxBin->Fill(particle->Eta());
      if(firstTrack) {
	fNMCevents.Fill(vertexBin);
	firstTrack = kFALSE;
      }
    
    }
    if(pars->GetProcessHits()) {
           
      for(Int_t j=0; j<particle->GetNumberOfTrackReferences();j++) {
	
	AliTrackReference* ref = particle->GetTrackReference(j);
	UShort_t det,sec,strip;
	Char_t   ring;
	if(ref->DetectorId() != AliTrackReference::kFMD)
	  continue;
	AliFMDStripIndex::Unpack(ref->UserId(),det,ring,sec,strip);
	Float_t thisStripTrack = fLastTrackByStrip(det,ring,sec,strip);
	if(particle->Charge() != 0 && i != thisStripTrack ) {
	  //Double_t x,y,z;
	  
	  Float_t   eta   = pars->GetEtaFromStrip(det,ring,sec,strip,vertex.At(2));//-1*TMath::Log(TMath::Tan(0.5*theta));
	  TH1F* hHits = (TH1F*)fOutputList->FindObject(Form("hMCHits_FMD%d%c_vtxbin%d",det,ring,vertexBin));
	  
	
	  hHits->Fill(eta);
	  
	  Float_t nstrips = (ring =='O' ? 256 : 512);
	  
	  fLastTrackByStrip(det,ring,sec,strip) = (Float_t)i;
	
	  if(strip >0)
	    fLastTrackByStrip(det,ring,sec,strip-1) = (Float_t)i;
	  if(strip < (nstrips - 1))
	    fLastTrackByStrip(det,ring,sec,strip+1) = (Float_t)i;
	  
	}
      
	
      }
      
      
    }

      
  }
}
//_____________________________________________________________________
//
//
// EOF
Commit	Line	Data
7c3e5162	1
	2	#include <TROOT.h>
	3	#include <TSystem.h>
	4	#include <TInterpreter.h>
	5	#include <TChain.h>
	6	#include <TFile.h>
	7	#include <TList.h>
	8	#include <iostream>
bb8a464f	9	#include "TH1F.h"
7c3e5162	10	#include "TH2F.h"
	11	#include "AliFMDAnalysisTaskDndeta.h"
	12	#include "AliAnalysisManager.h"
	13	#include "AliESDFMD.h"
	14	#include "AliESDEvent.h"
	15	#include "AliAODEvent.h"
	16	#include "AliAODHandler.h"
	17	#include "AliMCEventHandler.h"
	18	#include "AliStack.h"
	19	#include "AliLog.h"
	20	#include "AliESDVertex.h"
	21	#include "TMath.h"
	22	#include "AliFMDAnaParameters.h"
78f6f750	23	//#include "AliFMDGeometry.h"
bb8a464f	24	#include "AliGenEventHeader.h"
cc066cb9	25	#include "AliHeader.h"
78f6f750	26	//#include "TDatabasePDG.h"
78f6f750	27	//#include "TParticlePDG.h"
cc066cb9	28	#include "AliFMDStripIndex.h"
7c3e5162	29	ClassImp(AliFMDAnalysisTaskDndeta)
	30
	31
	32	AliFMDAnalysisTaskDndeta::AliFMDAnalysisTaskDndeta()
	33	: fDebug(0),
	34	fOutputList(0),
	35	fInputList(0),
7c3e5162	36	fVertexString(0x0),
7c3e5162	37	fNevents(),
bb8a464f	38	fNMCevents(),
bb8a464f	39	fStandalone(kTRUE),
b64db9b1	40	fLastTrackByStrip(0)
7c3e5162	41	{
	42	// Default constructor
	43	DefineInput (0, TList::Class());
	44	DefineOutput(0, TList::Class());
	45	}
	46	//_____________________________________________________________________
	47	AliFMDAnalysisTaskDndeta::AliFMDAnalysisTaskDndeta(const char* name, Bool_t SE):
	48	AliAnalysisTask(name, "Density"),
	49	fDebug(0),
	50	fOutputList(0),
	51	fInputList(0),
7c3e5162	52	fVertexString(0x0),
7c3e5162	53	fNevents(),
bb8a464f	54	fNMCevents(),
bb8a464f	55	fStandalone(kTRUE),
b64db9b1	56	fLastTrackByStrip(0)
7c3e5162	57	{
	58	fStandalone = SE;
	59	if(fStandalone) {
	60	DefineInput (0, TList::Class());
	61	DefineInput(1, TObjString::Class());
	62	DefineOutput(0, TList::Class());
	63
	64	}
	65	}
	66	//_____________________________________________________________________
	67	void AliFMDAnalysisTaskDndeta::CreateOutputObjects()
	68	{
	69	AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
	70
7c3e5162	71	if(!fOutputList)
	72	fOutputList = new TList();
	73	fOutputList->SetName("BackgroundCorrected");
	74
	75
	76	TH2F* hMult = 0;
cc066cb9	77	TH1F* hHits = 0;
bb8a464f	78	TH1F* hPrimVertexBin = 0;
7c3e5162	79
bb8a464f	80
5ea1e0a9	81	TH2F* hBgTmp = pars->GetBackgroundCorrection(1, 'I', 0);
bb8a464f	82	TH1F* hPrimary = new TH1F("hMultvsEta","hMultvsEta",
5ea1e0a9	83	hBgTmp->GetNbinsX(),
	84	hBgTmp->GetXaxis()->GetXmin(),
	85	hBgTmp->GetXaxis()->GetXmax());
bb8a464f	86	hPrimary->Sumw2();
bb8a464f	87	fOutputList->Add(hPrimary);
7c3e5162	88	Int_t nVtxbins = pars->GetNvtxBins();
b85ea106	89	TH2F* hBg = 0;
	90	for(Int_t i = 0; i< nVtxbins; i++) {
	91
	92	for(Int_t det =1; det<=3;det++)
	93	{
	94	Int_t nRings = (det==1 ? 1 : 2);
	95	for(Int_t ring = 0;ring<nRings;ring++)
	96	{
	97	Char_t ringChar = (ring == 0 ? 'I' : 'O');
	98	Int_t nSec = (ring == 0 ? 20 : 40);
	99
	100
	101
	102	hBg = pars->GetBackgroundCorrection(det, ringChar, i);
7c3e5162	103	hMult = new TH2F(Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i),Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i),
	104	hBg->GetNbinsX(),
	105	hBg->GetXaxis()->GetXmin(),
	106	hBg->GetXaxis()->GetXmax(),
	107	nSec, 0, 2*TMath::Pi());
cc066cb9	108
18d4b9ae	109	hHits = new TH1F(Form("hMCHits_FMD%d%c_vtxbin%d",det,ringChar,i),Form("hMCHits_FMD%d%c_vtxbin%d",det,ringChar,i),
cc066cb9	110	hBg->GetNbinsX(),
	111	hBg->GetXaxis()->GetXmin(),
	112	hBg->GetXaxis()->GetXmax());
b85ea106	113	hHits->Sumw2();
b85ea106	114	fOutputList->Add(hHits);
cc066cb9	115
7c3e5162	116	hMult->Sumw2();
7c3e5162	117	fOutputList->Add(hMult);
b85ea106	118
7c3e5162	119	}
b85ea106	120	}
b85ea106	121	}
7c3e5162	122
bb8a464f	123	for(Int_t i = 0; i< nVtxbins; i++) {
	124
	125	hPrimVertexBin = new TH1F(Form("primmult_vtxbin%d",i),
	126	Form("primmult_vtxbin%d",i),
5ea1e0a9	127	hBgTmp->GetNbinsX(),
	128	hBgTmp->GetXaxis()->GetXmin(),
	129	hBgTmp->GetXaxis()->GetXmax());
bb8a464f	130	hPrimVertexBin->Sumw2();
	131	fOutputList->Add(hPrimVertexBin);
	132
	133	}
	134
7c3e5162	135	fNevents.SetBins(nVtxbins,0,nVtxbins);
7c3e5162	136	fNevents.SetName("nEvents");
bb8a464f	137	fNMCevents.SetBins(nVtxbins,0,nVtxbins);
bb8a464f	138	fNMCevents.SetName("nMCEvents");
7c3e5162	139	fOutputList->Add(&fNevents);
bb8a464f	140	fOutputList->Add(&fNMCevents);
7c3e5162	141
	142	}
	143	//_____________________________________________________________________
	144	void AliFMDAnalysisTaskDndeta::ConnectInputData(Option_t /option*/)
	145	{
	146	if(fStandalone) {
	147	fInputList = (TList*)GetInputData(0);
7c3e5162	148	}
	149	}
	150	//_____________________________________________________________________
	151	void AliFMDAnalysisTaskDndeta::Exec(Option_t /option*/)
	152	{
b64db9b1	153	AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
9f55be54	154	fVertexString = (TObjString*)fInputList->At(0);
9f55be54	155
7c3e5162	156	Int_t vtxbin = fVertexString->GetString().Atoi();
9f55be54	157
7c3e5162	158	fNevents.Fill(vtxbin);
9f55be54	159
7c3e5162	160	for(UShort_t det=1;det<=3;det++) {
7c3e5162	161	Int_t nRings = (det==1 ? 1 : 2);
	162	for (UShort_t ir = 0; ir < nRings; ir++) {
	163	Char_t ringChar = (ir == 0 ? 'I' : 'O');
9f55be54	164
b64db9b1	165	TH2F* hMultTotal = (TH2F*)fOutputList->FindObject(Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
b64db9b1	166
7c3e5162	167
7c3e5162	168	TH2F* hMultInput = (TH2F*)fInputList->FindObject(Form("mult_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
1282ce49	169
7c3e5162	170	hMultTotal->Add(hMultInput);
9f55be54	171
7c3e5162	172	}
7c3e5162	173	}
bb8a464f	174
b64db9b1	175	if(pars->GetProcessPrimary())
bb8a464f	176	ProcessPrimary();
bb8a464f	177
7c3e5162	178	if(fStandalone) {
	179	PostData(0, fOutputList);
	180	}
	181
	182	}
	183	//_____________________________________________________________________
	184	void AliFMDAnalysisTaskDndeta::Terminate(Option_t /option*/) {
	185
1282ce49	186
7c3e5162	187	AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
	188
	189	Int_t nVtxbins = pars->GetNvtxBins();
	190
	191	for(UShort_t det=1;det<=3;det++) {
7c3e5162	192	Int_t nRings = (det==1 ? 1 : 2);
7c3e5162	193	for (UShort_t ir = 0; ir < nRings; ir++) {
1282ce49	194	Char_t ringChar = (ir == 0 ? 'I' : 'O');
7c3e5162	195	for(Int_t i =0; i<nVtxbins; i++) {
b64db9b1	196
b64db9b1	197	TH2F* hMultTotal = (TH2F*)fOutputList->FindObject(Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i));
f1eff0e8	198	TH2F* hMultTrVtx = (TH2F*)hMultTotal->Clone(Form("dNdeta_FMD%d%c_TrVtx_vtxbin%d",det,ringChar,i));
b64db9b1	199
b85ea106	200	hMultTotal->Scale(1/pars->GetEventSelectionEfficiency(i));
b85ea106	201
1282ce49	202	TH1D* hMultProj = hMultTotal->ProjectionX(Form("dNdeta_FMD%d%c_vtxbin%d_proj",det,ringChar,i),1,hMultTotal->GetNbinsY());
f1eff0e8	203	TH1D* hMultProjTrVtx = hMultTrVtx->ProjectionX(Form("dNdeta_FMD%d%c_TrVtx_vtxbin%d_proj",det,ringChar,i),1,hMultTotal->GetNbinsY());
b64db9b1	204	fOutputList->Add(hMultTrVtx);
1282ce49	205	fOutputList->Add(hMultProj);
b64db9b1	206	fOutputList->Add(hMultProjTrVtx);
7c3e5162	207	}
	208	}
	209	}
1282ce49	210
bb8a464f	211	}
	212	//_____________________________________________________________________
	213	void AliFMDAnalysisTaskDndeta::ProcessPrimary() {
cc066cb9	214
b64db9b1	215	AliMCEventHandler* eventHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
	216	AliMCEvent* mcEvent = eventHandler->MCEvent();
	217	if(!mcEvent)
	218	return;
	219
cc066cb9	220	fLastTrackByStrip.Reset(-1);
cc066cb9	221
bb8a464f	222	AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
	223
	224	AliMCParticle* particle = 0;
b64db9b1	225	AliStack* stack = mcEvent->Stack();
bb8a464f	226
bb8a464f	227	TH1F* hPrimary = (TH1F*)fOutputList->FindObject("hMultvsEta");
b64db9b1	228	AliHeader* header = mcEvent->Header();
cc066cb9	229	AliGenEventHeader* genHeader = header->GenEventHeader();
	230
	231	TArrayF vertex;
	232	genHeader->PrimaryVertex(vertex);
	233	if(TMath::Abs(vertex.At(2)) > pars->GetVtxCutZ())
	234	return;
	235	Double_t delta = 2*pars->GetVtxCutZ()/pars->GetNvtxBins();
	236	Double_t vertexBinDouble = (vertex.At(2) + pars->GetVtxCutZ()) / delta;
	237	Int_t vertexBin = (Int_t)vertexBinDouble;
0a2f2742	238
bb8a464f	239	Bool_t firstTrack = kTRUE;
bb0a45c3	240
	241	// we loop over the primaries only unless we need the hits (diagnostics running slowly)
	242	Int_t nTracks = stack->GetNprimary();
b64db9b1	243	if(pars->GetProcessHits())
bb0a45c3	244	nTracks = stack->GetNtrack();
bb0a45c3	245
bb8a464f	246	for(Int_t i = 0 ;i<nTracks;i++) {
7aad0c47	247	particle = (AliMCParticle*) mcEvent->GetTrack(i);
bb8a464f	248	if(!particle)
bb8a464f	249	continue;
bb0a45c3	250
bb8a464f	251	if(stack->IsPhysicalPrimary(i) && particle->Charge() != 0) {
bb8a464f	252	hPrimary->Fill(particle->Eta());
cc066cb9	253
6289b3e8	254
bb8a464f	255	TH1F* hPrimVtxBin = (TH1F*)fOutputList->FindObject(Form("primmult_vtxbin%d",vertexBin));
	256	hPrimVtxBin->Fill(particle->Eta());
	257	if(firstTrack) {
	258	fNMCevents.Fill(vertexBin);
	259	firstTrack = kFALSE;
	260	}
b3546e91	261
bb0a45c3	262	}
f1eff0e8	263	if(pars->GetProcessHits()) {
b85ea106	264
bb0a45c3	265	for(Int_t j=0; j<particle->GetNumberOfTrackReferences();j++) {
cc066cb9	266
55cadbf9	267	AliTrackReference* ref = particle->GetTrackReference(j);
	268	UShort_t det,sec,strip;
	269	Char_t ring;
	270	if(ref->DetectorId() != AliTrackReference::kFMD)
	271	continue;
	272	AliFMDStripIndex::Unpack(ref->UserId(),det,ring,sec,strip);
	273	Float_t thisStripTrack = fLastTrackByStrip(det,ring,sec,strip);
	274	if(particle->Charge() != 0 && i != thisStripTrack ) {
	275	//Double_t x,y,z;
	276
	277	Float_t eta = pars->GetEtaFromStrip(det,ring,sec,strip,vertex.At(2));//-1TMath::Log(TMath::Tan(0.5theta));
18d4b9ae	278	TH1F* hHits = (TH1F*)fOutputList->FindObject(Form("hMCHits_FMD%d%c_vtxbin%d",det,ring,vertexBin));
b85ea106	279
b85ea106	280
55cadbf9	281	hHits->Fill(eta);
b85ea106	282
55cadbf9	283	Float_t nstrips = (ring =='O' ? 256 : 512);
	284
	285	fLastTrackByStrip(det,ring,sec,strip) = (Float_t)i;
cc066cb9	286
55cadbf9	287	if(strip >0)
	288	fLastTrackByStrip(det,ring,sec,strip-1) = (Float_t)i;
	289	if(strip < (nstrips - 1))
	290	fLastTrackByStrip(det,ring,sec,strip+1) = (Float_t)i;
	291
	292	}
b85ea106	293
b85ea106	294
b3546e91	295	}
b85ea106	296
b85ea106	297
bb0a45c3	298	}
b85ea106	299
	300
	301
bb0a45c3	302	}
7c3e5162	303	}
	304	//_____________________________________________________________________
	305	//
	306	//
	307	// EOF