[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliAnalysisTaskSECompareHF.cxx

/**************************************************************************
 * Copyright(c) 1998-2008, 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.                  *
 **************************************************************************/

/////////////////////////////////////////////////////////////
//
// AliAnalysisTaskSE for the comparison of heavy flavor
// decay candidates with the MC truth.
//
// Author: A.Dainese, andrea.dainese@lnl.infn.it
/////////////////////////////////////////////////////////////

#include <TClonesArray.h>
#include <TNtuple.h>
#include <TList.h>
#include <TH1F.h>

#include "AliAODEvent.h"
#include "AliAODVertex.h"
#include "AliESDtrack.h"
#include "AliAODTrack.h"
#include "AliAODMCHeader.h"
#include "AliAODMCParticle.h"
#include "AliAODRecoDecayHF2Prong.h"
#include "AliAODRecoCascadeHF.h"
#include "AliAnalysisVertexingHF.h"
#include "AliAnalysisTaskSE.h"
#include "AliAnalysisTaskSECompareHF.h"

ClassImp(AliAnalysisTaskSECompareHF)


//________________________________________________________________________
AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF():
AliAnalysisTaskSE(),
fOutput(0), 
fNtupleCmp(0),
fHistMass(0),
fHistNEvents(0),
fVHF(0)
{
  // Default constructor

  // NO DefineOutput() HERE (ONLY IN STANDARD CONSTRUCTOR)
}

//________________________________________________________________________
AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF(const char *name):
AliAnalysisTaskSE(name),
fOutput(0), 
fNtupleCmp(0),
fHistMass(0),
fHistNEvents(0),
fVHF(0)
{
  // Standard constructor

  // Output slot #1 writes into a TList container
  DefineOutput(1,TList::Class());  //My private output
  // Output slot #2 writes into a TNtuple container
  DefineOutput(2,TNtuple::Class());  //My private output
}

//________________________________________________________________________
AliAnalysisTaskSECompareHF::~AliAnalysisTaskSECompareHF()
{
  // Destructor
  if (fOutput) {
    delete fOutput;
    fOutput = 0;
  }
  if (fVHF) {
    delete fVHF;
    fVHF = 0;
  }
}  

//________________________________________________________________________
void AliAnalysisTaskSECompareHF::Init()
{
  // Initialization

  if(fDebug > 1) printf("AnalysisTaskSECompareHF::Init() \n");
  
  gROOT->LoadMacro("ConfigVertexingHF.C");

  fVHF = (AliAnalysisVertexingHF*)gROOT->ProcessLine("ConfigVertexingHF()");  
  fVHF->PrintStatus();
  
  return;
}

//________________________________________________________________________
void AliAnalysisTaskSECompareHF::UserCreateOutputObjects()
{
  // Create the output container
  //
  if(fDebug > 1) printf("AnalysisTaskSECompareHF::UserCreateOutputObjects() \n");

  // Several histograms are more conveniently managed in a TList
  fOutput = new TList();
  fOutput->SetOwner();

  fHistMass = new TH1F("fHistMass", "D^{0} invariant mass; M [GeV]; Entries",200,1.765,1.965);
  fHistMass->Sumw2();
  fHistMass->SetMinimum(0);
  fOutput->Add(fHistMass);

  fHistNEvents = new TH1F("fHistNEvents", "Number of processed events; ; Events",3,-1.5,1.5);
  fHistNEvents->Sumw2();
  fHistNEvents->SetMinimum(0);
  fOutput->Add(fHistNEvents);

  OpenFile(2); // 2 is the slot number of the ntuple
  fNtupleCmp = new TNtuple("fNtupleCmp","Charm comparison","pdg:nprongs:VxRec:VxTrue:ErrVx:VyRec:VyTrue:ErrVy:VzRec:VzTrue:ErrVz:Chi2toNDF:PtRec:Mrec:CPta:Prodd0");

  return;
}

//________________________________________________________________________
void AliAnalysisTaskSECompareHF::UserExec(Option_t */*option*/)
{
  // Execute analysis for current event:
  // heavy flavor candidates association to MC truth

  
  AliAODEvent *aod = dynamic_cast<AliAODEvent*> (InputEvent());
  
  // In case there is an AOD handler writing a standard AOD, use the AOD 
  // event in memory rather than the input (ESD) event.
  if (!aod && AODEvent() && IsStandardAOD()) aod = dynamic_cast<AliAODEvent*> (AODEvent());

  fHistNEvents->Fill(0); // count event
  // Post the data already here
  PostData(1,fOutput);

  // load HF vertices                     
  TClonesArray *inputArrayVertices =
    (TClonesArray*)aod->GetList()->FindObject("VerticesHF");
  if(!inputArrayVertices) {
    printf("AliAnalysisTaskSECompareHF::UserExec: Vertices branch not found!\n");
    return;
  }

  // load D0->Kpi candidates                                                   
  TClonesArray *inputArrayD0toKpi =
    (TClonesArray*)aod->GetList()->FindObject("D0toKpi");
  if(!inputArrayD0toKpi) {
    printf("AliAnalysisTaskSECompareHF::UserExec: D0toKpi branch not found!\n");
    return;
  }

 
  // load D*+ candidates                                                   
  TClonesArray *inputArrayDstar =
    (TClonesArray*)aod->GetList()->FindObject("Dstar");
  if(!inputArrayDstar) {
    printf("AliAnalysisTaskSECompareHF::UserExec: Dstar branch not found!\n");
    return;
  }
  

  // AOD primary vertex
  AliAODVertex *vtx1 = (AliAODVertex*)aod->GetPrimaryVertex();
  //vtx1->Print();

  // load MC particles
  TClonesArray *mcArray = 
    (TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
  if(!mcArray) {
    printf("AliAnalysisTaskSECompareHF::UserExec: MC particles branch not found!\n");
    return;
  }

  // load MC header
  AliAODMCHeader *mcHeader = 
    (AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
  if(!mcHeader) {
    printf("AliAnalysisTaskSECompareHF::UserExec: MC header branch not found!\n");
    return;
  }
  
  Int_t nprongs,lab,okD0,okD0bar,pdg;
  Bool_t unsetvtx;    
  Double_t invmass,posRec[3],posTrue[3],covRec[6],errx,erry,errz;
  AliAODRecoDecayHF2Prong *d2=0;
  AliAODRecoDecayHF3Prong *d3=0;
  AliAODRecoDecayHF4Prong *d4=0;

  Int_t pdgDgD0toKpi[2]={321,211};
  Int_t pdgDgDplustoKpipi[3]={321,211,211};
  Int_t pdgDgD0toKpipipi[4]={321,211,211,211};

  // loop over vertices
  Int_t nVertices = inputArrayVertices->GetEntriesFast();
  if(fDebug>1) printf("Number of vertices: %d\n",nVertices);

  for (Int_t iVtx = 0; iVtx < nVertices; iVtx++) {
    AliAODVertex *vtx = (AliAODVertex*)inputArrayVertices->UncheckedAt(iVtx);

    vtx->GetXYZ(posRec);  
    vtx->GetCovarianceMatrix(covRec);
    errx=1.; erry=1.; errz=1.;
    if(covRec[0]>0) errx = TMath::Sqrt(covRec[0]);
    if(covRec[2]>0) erry = TMath::Sqrt(covRec[2]);
    if(covRec[5]>0) errz = TMath::Sqrt(covRec[5]);
	  

    // get parent AliAODRecoDecayHF
    nprongs= vtx->GetNDaughters();
    // check that the daughters have kITSrefit and kTPCrefit
    Bool_t allDgOK=kTRUE;
    for(Int_t idg=0; idg<nprongs; idg++) {
      AliAODTrack *track = (AliAODTrack*)vtx->GetDaughter(idg);
      if(!(track->GetStatus()&AliESDtrack::kITSrefit)) allDgOK=kFALSE;
      if(!(track->GetStatus()&AliESDtrack::kTPCrefit)) allDgOK=kFALSE;
    }
    if(!allDgOK) continue;


    switch(nprongs) {
    case 2: // look for D0->Kpi
      d2 = (AliAODRecoDecayHF2Prong*)vtx->GetParent();
      if(d2->IsLikeSign()) continue;
      if(d2->Charge() != 0) continue; // these are D* 
      lab = d2->MatchToMC(421,mcArray,2,pdgDgD0toKpi);
      if(lab>=0) {
	unsetvtx=kFALSE;
	if(!d2->GetOwnPrimaryVtx()) {
	  d2->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	  unsetvtx=kTRUE;
	}
	okD0=0; okD0bar=0; 
	if(d2->SelectD0(fVHF->GetD0toKpiCuts(),okD0,okD0bar)) { // beware: cuts may bias the resolution!
	  AliAODMCParticle *dMC = (AliAODMCParticle*)mcArray->At(lab);
	  pdg = dMC->GetPdgCode();
	  invmass = (pdg==421 ? d2->InvMassD0() : d2->InvMassD0bar());
	  // get a daughter for true pos of decay vertex
	  AliAODMCParticle *dg0MC = (AliAODMCParticle*)mcArray->At(dMC->GetDaughter(0));
	  dg0MC->XvYvZv(posTrue);
	  fHistMass->Fill(invmass);
	  // Post the data already here
	  PostData(1,fOutput);
	  Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
			   (Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
			   (Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
			   (Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
			   (Float_t)d2->GetReducedChi2(),(Float_t)d2->Pt(),(Float_t)invmass,
			   (Float_t)d2->CosPointingAngle(),(Float_t)d2->Prodd0d0()};
	  fNtupleCmp->Fill(tmp);
	  PostData(2,fNtupleCmp);
	}
	if(unsetvtx) d2->UnsetOwnPrimaryVtx();
      }
      break;
    case 3: // look for D+
      d3 = (AliAODRecoDecayHF3Prong*)vtx->GetParent();
      if(d3->IsLikeSign()) continue;
      lab = d3->MatchToMC(411,mcArray,3,pdgDgDplustoKpipi);
      if(lab>=0) {
	unsetvtx=kFALSE;
	if(!d3->GetOwnPrimaryVtx()) {
	  d3->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	  unsetvtx=kTRUE;
	}
	//if(d3->SelectDplus(fVHF->GetDplusCuts())) {
	AliAODMCParticle *dMC = (AliAODMCParticle*)mcArray->At(lab);
	pdg = dMC->GetPdgCode();
	invmass = d3->InvMassDplus();
	// get a daughter for true pos of decay vertex
	AliAODMCParticle *dg0MC = (AliAODMCParticle*)mcArray->At(dMC->GetDaughter(0));
	dg0MC->XvYvZv(posTrue);
	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
			 (Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
			 (Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
			 (Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
			 (Float_t)d3->GetReducedChi2(),(Float_t)d3->Pt(),(Float_t)invmass,
			 (Float_t)d3->CosPointingAngle(),(Float_t)(d3->Getd0Prong(0)*d3->Getd0Prong(1)*d3->Getd0Prong(2))};
	fNtupleCmp->Fill(tmp);
	PostData(2,fNtupleCmp);
	//}
	if(unsetvtx) d3->UnsetOwnPrimaryVtx();
      }
      break;
    case 4: // look for D0->Kpipipi
      d4 = (AliAODRecoDecayHF4Prong*)vtx->GetParent();
      if(d4->IsLikeSign()) continue;
      lab = d4->MatchToMC(421,mcArray,4,pdgDgD0toKpipipi);
      if(lab>=0) {
	unsetvtx=kFALSE;
	if(!d4->GetOwnPrimaryVtx()) {
	  d4->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	  unsetvtx=kTRUE;
	}
	okD0=0; okD0bar=0; 
	//if(d4->SelectD0(fVHF->GetD0to4ProngsCuts(),okD0,okD0bar)) {
	AliAODMCParticle *dMC = (AliAODMCParticle*)mcArray->At(lab);
	pdg = dMC->GetPdgCode();
	//invmass = (pdg==421 ? d->InvMassD0() : d->InvMassD0bar());
	invmass = 10.; 	  // dummy
	// get a daughter for true pos of decay vertex
	AliAODMCParticle *dg0MC = (AliAODMCParticle*)mcArray->At(dMC->GetDaughter(0));
	dg0MC->XvYvZv(posTrue);
	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
			 (Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
			 (Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
			 (Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
			 (Float_t)d4->GetReducedChi2(),(Float_t)d4->Pt(),(Float_t)invmass,
			 (Float_t)d4->CosPointingAngle(),(Float_t)(d4->Getd0Prong(0)*d4->Getd0Prong(1)*d4->Getd0Prong(2)*d4->Getd0Prong(3))};
	fNtupleCmp->Fill(tmp);
	PostData(2,fNtupleCmp);
	//}
	if(unsetvtx) d4->UnsetOwnPrimaryVtx();
      }
      break;
    }

  } // end loop on vertices


  // loop over D*+ candidates
  /*
  for (Int_t iDstar = 0; iDstar < inputArrayDstar->GetEntries(); iDstar++) {
    AliAODRecoCascadeHF *c = (AliAODRecoCascadeHF*)inputArrayDstar->UncheckedAt(iDstar);
    Int_t labDstar = c->MatchToMC(413,421,mcArray);
    if(labDstar>=0) printf("GOOD MATCH FOR D*+\n"); 
  }
  */

  // Post the data already here
  PostData(1,fOutput);
  PostData(2,fNtupleCmp);

  return;
}
//________________________________________________________________________
void AliAnalysisTaskSECompareHF::Terminate(Option_t */*option*/)
{
  // Terminate analysis
  //
  if(fDebug > 1) printf("AnalysisTaskSECompareHF: Terminate() \n");

  fOutput = dynamic_cast<TList*> (GetOutputData(1));
  if (!fOutput) {     
    printf("ERROR: fOutput not available\n");
    return;
  }

  fHistMass = dynamic_cast<TH1F*>(fOutput->FindObject("fHistMass"));
  fHistNEvents = dynamic_cast<TH1F*>(fOutput->FindObject("fHistNEvents"));

  //fNtupleCmp = dynamic_cast<TNtuple*> (GetOutputData(2));

  return;
}
Commit	Line	Data
3a219f60	1	/**************************************************************************
	2	* Copyright(c) 1998-2008, 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
	16	/////////////////////////////////////////////////////////////
	17	//
	18	// AliAnalysisTaskSE for the comparison of heavy flavor
	19	// decay candidates with the MC truth.
	20	//
	21	// Author: A.Dainese, andrea.dainese@lnl.infn.it
	22	/////////////////////////////////////////////////////////////
	23
	24	#include <TClonesArray.h>
	25	#include <TNtuple.h>
	26	#include <TList.h>
	27	#include <TH1F.h>
	28
	29	#include "AliAODEvent.h"
	30	#include "AliAODVertex.h"
607719af	31	#include "AliESDtrack.h"
3a219f60	32	#include "AliAODTrack.h"
	33	#include "AliAODMCHeader.h"
	34	#include "AliAODMCParticle.h"
	35	#include "AliAODRecoDecayHF2Prong.h"
b3999999	36	#include "AliAODRecoCascadeHF.h"
2ae9c7cb	37	#include "AliAnalysisVertexingHF.h"
3a219f60	38	#include "AliAnalysisTaskSE.h"
	39	#include "AliAnalysisTaskSECompareHF.h"
	40
	41	ClassImp(AliAnalysisTaskSECompareHF)
	42
	43
	44	//________________________________________________________________________
	45	AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF():
	46	AliAnalysisTaskSE(),
	47	fOutput(0),
2a041947	48	fNtupleCmp(0),
12bfc069	49	fHistMass(0),
a273622f	50	fHistNEvents(0),
12bfc069	51	fVHF(0)
3a219f60	52	{
3a219f60	53	// Default constructor
3a219f60	54
9d6d35b0	55	// NO DefineOutput() HERE (ONLY IN STANDARD CONSTRUCTOR)
3a219f60	56	}
	57
	58	//________________________________________________________________________
	59	AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF(const char *name):
	60	AliAnalysisTaskSE(name),
	61	fOutput(0),
2a041947	62	fNtupleCmp(0),
12bfc069	63	fHistMass(0),
a273622f	64	fHistNEvents(0),
12bfc069	65	fVHF(0)
3a219f60	66	{
9d6d35b0	67	// Standard constructor
3a219f60	68
	69	// Output slot #1 writes into a TList container
	70	DefineOutput(1,TList::Class()); //My private output
10bdd1ae	71	// Output slot #2 writes into a TNtuple container
10bdd1ae	72	DefineOutput(2,TNtuple::Class()); //My private output
3a219f60	73	}
	74
	75	//________________________________________________________________________
	76	AliAnalysisTaskSECompareHF::~AliAnalysisTaskSECompareHF()
	77	{
	78	// Destructor
	79	if (fOutput) {
	80	delete fOutput;
	81	fOutput = 0;
	82	}
12bfc069	83	if (fVHF) {
	84	delete fVHF;
	85	fVHF = 0;
	86	}
3a219f60	87	}
	88
	89	//________________________________________________________________________
	90	void AliAnalysisTaskSECompareHF::Init()
	91	{
	92	// Initialization
	93
	94	if(fDebug > 1) printf("AnalysisTaskSECompareHF::Init() \n");
9d6d35b0	95
12bfc069	96	gROOT->LoadMacro("ConfigVertexingHF.C");
	97
	98	fVHF = (AliAnalysisVertexingHF*)gROOT->ProcessLine("ConfigVertexingHF()");
	99	fVHF->PrintStatus();
9d6d35b0	100
3a219f60	101	return;
	102	}
	103
	104	//________________________________________________________________________
	105	void AliAnalysisTaskSECompareHF::UserCreateOutputObjects()
	106	{
	107	// Create the output container
	108	//
	109	if(fDebug > 1) printf("AnalysisTaskSECompareHF::UserCreateOutputObjects() \n");
	110
	111	// Several histograms are more conveniently managed in a TList
	112	fOutput = new TList();
	113	fOutput->SetOwner();
	114
	115	fHistMass = new TH1F("fHistMass", "D^{0} invariant mass; M [GeV]; Entries",200,1.765,1.965);
	116	fHistMass->Sumw2();
	117	fHistMass->SetMinimum(0);
	118	fOutput->Add(fHistMass);
	119
a273622f	120	fHistNEvents = new TH1F("fHistNEvents", "Number of processed events; ; Events",3,-1.5,1.5);
	121	fHistNEvents->Sumw2();
	122	fHistNEvents->SetMinimum(0);
	123	fOutput->Add(fHistNEvents);
	124
2a5c77c6	125	OpenFile(2); // 2 is the slot number of the ntuple
607719af	126	fNtupleCmp = new TNtuple("fNtupleCmp","Charm comparison","pdg:nprongs:VxRec:VxTrue:ErrVx:VyRec:VyTrue:ErrVy:VzRec:VzTrue:ErrVz:Chi2toNDF:PtRec:Mrec:CPta:Prodd0");
3a219f60	127
	128	return;
	129	}
	130
	131	//________________________________________________________________________
	132	void AliAnalysisTaskSECompareHF::UserExec(Option_t /option*/)
	133	{
	134	// Execute analysis for current event:
	135	// heavy flavor candidates association to MC truth
9d6d35b0	136
3a219f60	137
3a219f60	138	AliAODEvent aod = dynamic_cast<AliAODEvent> (InputEvent());
9d6d35b0	139
8931c313	140	// In case there is an AOD handler writing a standard AOD, use the AOD
	141	// event in memory rather than the input (ESD) event.
	142	if (!aod && AODEvent() && IsStandardAOD()) aod = dynamic_cast<AliAODEvent*> (AODEvent());
	143
a273622f	144	fHistNEvents->Fill(0); // count event
	145	// Post the data already here
	146	PostData(1,fOutput);
2a041947	147
	148	// load HF vertices
	149	TClonesArray *inputArrayVertices =
	150	(TClonesArray*)aod->GetList()->FindObject("VerticesHF");
	151	if(!inputArrayVertices) {
	152	printf("AliAnalysisTaskSECompareHF::UserExec: Vertices branch not found!\n");
	153	return;
	154	}
	155
3a219f60	156	// load D0->Kpi candidates
	157	TClonesArray *inputArrayD0toKpi =
	158	(TClonesArray*)aod->GetList()->FindObject("D0toKpi");
	159	if(!inputArrayD0toKpi) {
	160	printf("AliAnalysisTaskSECompareHF::UserExec: D0toKpi branch not found!\n");
	161	return;
	162	}
	163
9d6d35b0	164
b3999999	165	// load D*+ candidates
	166	TClonesArray *inputArrayDstar =
	167	(TClonesArray*)aod->GetList()->FindObject("Dstar");
	168	if(!inputArrayDstar) {
	169	printf("AliAnalysisTaskSECompareHF::UserExec: Dstar branch not found!\n");
	170	return;
	171	}
9d6d35b0	172
b3999999	173
3a219f60	174	// AOD primary vertex
	175	AliAODVertex vtx1 = (AliAODVertex)aod->GetPrimaryVertex();
	176	//vtx1->Print();
	177
	178	// load MC particles
	179	TClonesArray *mcArray =
	180	(TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
	181	if(!mcArray) {
	182	printf("AliAnalysisTaskSECompareHF::UserExec: MC particles branch not found!\n");
	183	return;
	184	}
	185
	186	// load MC header
	187	AliAODMCHeader *mcHeader =
	188	(AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
	189	if(!mcHeader) {
	190	printf("AliAnalysisTaskSECompareHF::UserExec: MC header branch not found!\n");
	191	return;
	192	}
	193
2a041947	194	Int_t nprongs,lab,okD0,okD0bar,pdg;
2a041947	195	Bool_t unsetvtx;
90426506	196	Double_t invmass,posRec[3],posTrue[3],covRec[6],errx,erry,errz;
952f1e33	197	AliAODRecoDecayHF2Prong *d2=0;
	198	AliAODRecoDecayHF3Prong *d3=0;
	199	AliAODRecoDecayHF4Prong *d4=0;
2a041947	200
c8112d2f	201	Int_t pdgDgD0toKpi[2]={321,211};
	202	Int_t pdgDgDplustoKpipi[3]={321,211,211};
	203	Int_t pdgDgD0toKpipipi[4]={321,211,211,211};
	204
2a041947	205	// loop over vertices
2a041947	206	Int_t nVertices = inputArrayVertices->GetEntriesFast();
3b1598da	207	if(fDebug>1) printf("Number of vertices: %d\n",nVertices);
2a041947	208
	209	for (Int_t iVtx = 0; iVtx < nVertices; iVtx++) {
	210	AliAODVertex vtx = (AliAODVertex)inputArrayVertices->UncheckedAt(iVtx);
	211
90426506	212	vtx->GetXYZ(posRec);
	213	vtx->GetCovarianceMatrix(covRec);
	214	errx=1.; erry=1.; errz=1.;
	215	if(covRec[0]>0) errx = TMath::Sqrt(covRec[0]);
	216	if(covRec[2]>0) erry = TMath::Sqrt(covRec[2]);
	217	if(covRec[5]>0) errz = TMath::Sqrt(covRec[5]);
	218
	219
2a041947	220	// get parent AliAODRecoDecayHF
2a041947	221	nprongs= vtx->GetNDaughters();
607719af	222	// check that the daughters have kITSrefit and kTPCrefit
	223	Bool_t allDgOK=kTRUE;
	224	for(Int_t idg=0; idg<nprongs; idg++) {
	225	AliAODTrack track = (AliAODTrack)vtx->GetDaughter(idg);
	226	if(!(track->GetStatus()&AliESDtrack::kITSrefit)) allDgOK=kFALSE;
	227	if(!(track->GetStatus()&AliESDtrack::kTPCrefit)) allDgOK=kFALSE;
	228	}
	229	if(!allDgOK) continue;
	230
2a041947	231
	232	switch(nprongs) {
	233	case 2: // look for D0->Kpi
952f1e33	234	d2 = (AliAODRecoDecayHF2Prong*)vtx->GetParent();
27917274	235	if(d2->IsLikeSign()) continue;
a273622f	236	if(d2->Charge() != 0) continue; // these are D*
c8112d2f	237	lab = d2->MatchToMC(421,mcArray,2,pdgDgD0toKpi);
2a041947	238	if(lab>=0) {
	239	unsetvtx=kFALSE;
	240	if(!d2->GetOwnPrimaryVtx()) {
	241	d2->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	242	unsetvtx=kTRUE;
	243	}
	244	okD0=0; okD0bar=0;
607719af	245	if(d2->SelectD0(fVHF->GetD0toKpiCuts(),okD0,okD0bar)) { // beware: cuts may bias the resolution!
	246	AliAODMCParticle dMC = (AliAODMCParticle)mcArray->At(lab);
	247	pdg = dMC->GetPdgCode();
	248	invmass = (pdg==421 ? d2->InvMassD0() : d2->InvMassD0bar());
607719af	249	// get a daughter for true pos of decay vertex
	250	AliAODMCParticle dg0MC = (AliAODMCParticle)mcArray->At(dMC->GetDaughter(0));
	251	dg0MC->XvYvZv(posTrue);
caf4ca8b	252	fHistMass->Fill(invmass);
	253	// Post the data already here
	254	PostData(1,fOutput);
607719af	255	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
	256	(Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
	257	(Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
	258	(Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
	259	(Float_t)d2->GetReducedChi2(),(Float_t)d2->Pt(),(Float_t)invmass,
	260	(Float_t)d2->CosPointingAngle(),(Float_t)d2->Prodd0d0()};
	261	fNtupleCmp->Fill(tmp);
	262	PostData(2,fNtupleCmp);
	263	}
2a041947	264	if(unsetvtx) d2->UnsetOwnPrimaryVtx();
3a219f60	265	}
2a041947	266	break;
2a041947	267	case 3: // look for D+
952f1e33	268	d3 = (AliAODRecoDecayHF3Prong*)vtx->GetParent();
27917274	269	if(d3->IsLikeSign()) continue;
c8112d2f	270	lab = d3->MatchToMC(411,mcArray,3,pdgDgDplustoKpipi);
2a041947	271	if(lab>=0) {
	272	unsetvtx=kFALSE;
	273	if(!d3->GetOwnPrimaryVtx()) {
	274	d3->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	275	unsetvtx=kTRUE;
	276	}
90426506	277	//if(d3->SelectDplus(fVHF->GetDplusCuts())) {
	278	AliAODMCParticle dMC = (AliAODMCParticle)mcArray->At(lab);
	279	pdg = dMC->GetPdgCode();
	280	invmass = d3->InvMassDplus();
	281	// get a daughter for true pos of decay vertex
	282	AliAODMCParticle dg0MC = (AliAODMCParticle)mcArray->At(dMC->GetDaughter(0));
	283	dg0MC->XvYvZv(posTrue);
607719af	284	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
	285	(Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
	286	(Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
	287	(Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
	288	(Float_t)d3->GetReducedChi2(),(Float_t)d3->Pt(),(Float_t)invmass,
	289	(Float_t)d3->CosPointingAngle(),(Float_t)(d3->Getd0Prong(0)d3->Getd0Prong(1)d3->Getd0Prong(2))};
	290	fNtupleCmp->Fill(tmp);
a7c1934a	291	PostData(2,fNtupleCmp);
90426506	292	//}
2a041947	293	if(unsetvtx) d3->UnsetOwnPrimaryVtx();
	294	}
	295	break;
	296	case 4: // look for D0->Kpipipi
952f1e33	297	d4 = (AliAODRecoDecayHF4Prong*)vtx->GetParent();
27917274	298	if(d4->IsLikeSign()) continue;
c8112d2f	299	lab = d4->MatchToMC(421,mcArray,4,pdgDgD0toKpipipi);
2a041947	300	if(lab>=0) {
	301	unsetvtx=kFALSE;
	302	if(!d4->GetOwnPrimaryVtx()) {
	303	d4->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	304	unsetvtx=kTRUE;
	305	}
	306	okD0=0; okD0bar=0;
90426506	307	//if(d4->SelectD0(fVHF->GetD0to4ProngsCuts(),okD0,okD0bar)) {
	308	AliAODMCParticle dMC = (AliAODMCParticle)mcArray->At(lab);
	309	pdg = dMC->GetPdgCode();
	310	//invmass = (pdg==421 ? d->InvMassD0() : d->InvMassD0bar());
	311	invmass = 10.; // dummy
	312	// get a daughter for true pos of decay vertex
	313	AliAODMCParticle dg0MC = (AliAODMCParticle)mcArray->At(dMC->GetDaughter(0));
	314	dg0MC->XvYvZv(posTrue);
607719af	315	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
	316	(Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
	317	(Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
	318	(Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
	319	(Float_t)d4->GetReducedChi2(),(Float_t)d4->Pt(),(Float_t)invmass,
	320	(Float_t)d4->CosPointingAngle(),(Float_t)(d4->Getd0Prong(0)d4->Getd0Prong(1)d4->Getd0Prong(2)*d4->Getd0Prong(3))};
	321	fNtupleCmp->Fill(tmp);
a7c1934a	322	PostData(2,fNtupleCmp);
90426506	323	//}
2a041947	324	if(unsetvtx) d4->UnsetOwnPrimaryVtx();
	325	}
	326	break;
3a219f60	327	}
3a219f60	328
2a041947	329	} // end loop on vertices
3a219f60	330
9d6d35b0	331
b3999999	332	// loop over D*+ candidates
4dd17b11	333	/*
b3999999	334	for (Int_t iDstar = 0; iDstar < inputArrayDstar->GetEntries(); iDstar++) {
	335	AliAODRecoCascadeHF c = (AliAODRecoCascadeHF)inputArrayDstar->UncheckedAt(iDstar);
	336	Int_t labDstar = c->MatchToMC(413,421,mcArray);
	337	if(labDstar>=0) printf("GOOD MATCH FOR D*+\n");
	338	}
4dd17b11	339	*/
2a041947	340
4dd17b11	341	// Post the data already here
4dd17b11	342	PostData(1,fOutput);
2a041947	343	PostData(2,fNtupleCmp);
b3999999	344
3a219f60	345	return;
3a219f60	346	}
3a219f60	347	//________________________________________________________________________
	348	void AliAnalysisTaskSECompareHF::Terminate(Option_t /option*/)
	349	{
	350	// Terminate analysis
	351	//
	352	if(fDebug > 1) printf("AnalysisTaskSECompareHF: Terminate() \n");
	353
	354	fOutput = dynamic_cast<TList*> (GetOutputData(1));
	355	if (!fOutput) {
	356	printf("ERROR: fOutput not available\n");
	357	return;
	358	}
	359
3a219f60	360	fHistMass = dynamic_cast<TH1F*>(fOutput->FindObject("fHistMass"));
a273622f	361	fHistNEvents = dynamic_cast<TH1F*>(fOutput->FindObject("fHistNEvents"));
3a219f60	362
27917274	363	//fNtupleCmp = dynamic_cast<TNtuple*> (GetOutputData(2));
10bdd1ae	364
3a219f60	365	return;
	366	}
	367