[u/mrichter/AliRoot.git] / PWG1 / TRD / AliTRDpidRefMaker.cxx

#include "TPDGCode.h"
#include "TFile.h"
#include "TTree.h"
#include "TEventList.h"
#include "TObjArray.h"
#include "TH2.h"

#include "AliLog.h"
#include "AliESDtrack.h"
#include "AliTrackReference.h"
#include "AliAnalysisManager.h"

#include "AliTRDReconstructor.h"
#include "AliTRDtrackV1.h"
#include "AliTRDseedV1.h"
#include "AliTRDpidRefMaker.h"
#include "AliTRDinfoGen.h"
#include "info/AliTRDv0Info.h"
#include "info/AliTRDpidInfo.h"


// Defines and implements basic functionality for building reference data for TRD PID. 
// 
// Here is the list of functionality provided by this class
// 1.
// 2.
// 
// Authors:
//   Alex Bercuci <A.Bercuci@gsi.de>
//   Alex Wilk    <wilka@uni-muenster.de>
//   Markus Fasel <mfasel@gsi.de>
//   Markus Heide <mheide@uni-muenster.de>
// 

ClassImp(AliTRDpidRefMaker)

//________________________________________________________________________
AliTRDpidRefMaker::AliTRDpidRefMaker() 
  :AliTRDrecoTask()
  ,fV0s(NULL)
  ,fData(NULL)
  ,fInfo(NULL)
  ,fPIDdataArray(NULL)
  ,fRefPID(kV0)
  ,fRefP(kRec)
  ,fFreq(1.)
  ,fP(-1.)
  ,fPthreshold(0.)
{
  //
  // Default constructor
  //
  SetNameTitle("PIDrefMaker", "PID Reference Maker");
}

//________________________________________________________________________
AliTRDpidRefMaker::AliTRDpidRefMaker(const char *name, const char *title) 
  :AliTRDrecoTask(name, title)
  ,fV0s(NULL)
  ,fData(NULL)
  ,fInfo(NULL)
  ,fPIDdataArray(NULL)
  ,fRefPID(kV0)
  ,fRefP(kRec)
  ,fFreq(1.)
  ,fP(-1.)
  ,fPthreshold(0.5)
{
  //
  // Default constructor
  //

  memset(fdEdx, 0, AliTRDpidUtil::kNNslices*sizeof(Float_t));
  memset(fPID, 0, AliPID::kSPECIES*sizeof(Float_t));

  DefineInput(2, TObjArray::Class()); // v0 list
  DefineInput(3, TObjArray::Class()); // pid info list 
  DefineOutput(2, TTree::Class());
}


//________________________________________________________________________
AliTRDpidRefMaker::~AliTRDpidRefMaker() 
{
  if(fPIDdataArray) delete fPIDdataArray;
}

//________________________________________________________________________
Bool_t AliTRDpidRefMaker::CheckQuality(AliTRDseedV1* /*trklt*/)
{
// Place holder for checking tracklet quality for PID.
  return kTRUE;  
}


//________________________________________________________________________
Float_t* AliTRDpidRefMaker::CookdEdx(AliTRDseedV1 *trklt)
{
  trklt->CookdEdx(AliTRDpidUtil::kNNslices);
  memcpy(fdEdx, trklt->GetdEdx(), AliTRDpidUtil::kNNslices*sizeof(Float_t));
  return fdEdx;
}


//________________________________________________________________________
void AliTRDpidRefMaker::UserCreateOutputObjects()
{
  // Create histograms
  // Called once

  fContainer = new TObjArray();
  fContainer->SetName(Form("Moni%s", GetName()));

  TH2 *h2 = new TH2I("hPDG","Particle abundance", AliPID::kSPECIES, -0.5, 4.5, AliTRDCalPID::kNMom, -0.5, AliTRDCalPID::kNMom-0.5);
  TAxis *ax = h2->GetXaxis();
  ax->SetNdivisions(505);
  ax->SetTitle("Particle species");
  for(Int_t is=AliPID::kSPECIES; is--;) ax->SetBinLabel(is+1, AliPID::ParticleShortName(is));
  h2->GetYaxis()->SetTitle("P bins");
  h2->GetYaxis()->SetNdivisions(511);
  fContainer->AddAt(h2, 0);
  PostData(1, fContainer);

  OpenFile(2);
  fData = new TTree("RefPID", "Reference data for PID");
  fData->Branch("data", &fPIDdataArray);
  PostData(2, fData);
}

//________________________________________________________________________
void AliTRDpidRefMaker::UserExec(Option_t *) 
{
  // Main loop
  // Called for each event
  Int_t ev((Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry());
  if(!(fTracks = dynamic_cast<TObjArray*>(GetInputData(1)))){
    AliDebug(3, Form("Missing tracks container in ev %d", ev)); 
    return;
  }
  if(!(fV0s    = dynamic_cast<TObjArray*>(GetInputData(2)))){ 
    AliDebug(3, Form("Missing v0 container in ev %d", ev)); 
    return;
  }
  if(!(fInfo   = dynamic_cast<TObjArray*>(GetInputData(3)))){ 
    AliDebug(3, Form("Missing pid info container in ev %d", ev)); 
    return;
  }

  AliDebug(1, Form("Entries: Ev[%d] Tracks[%d] V0[%d] PID[%d]", ev, fTracks->GetEntriesFast(), fV0s->GetEntriesFast(), fInfo->GetEntriesFast()));
  AliTRDtrackInfo     *track = NULL;
  AliTRDtrackV1    *trackTRD = NULL;
  AliTrackReference     *ref = NULL;
  const AliTRDtrackInfo::AliESDinfo *infoESD = NULL;
  for(Int_t itrk=0; itrk<fTracks->GetEntriesFast(); itrk++){
    track = (AliTRDtrackInfo*)fTracks->UncheckedAt(itrk);
    if(!track->HasESDtrack()) continue;
    trackTRD = track->GetTrack();
    infoESD  = track->GetESDinfo();
    Double32_t *infoPID = infoESD->GetSliceIter();
    Int_t n = infoESD->GetNSlices() - AliTRDgeometry::kNlayer;
    if(n==0){
      AliWarning(Form("dEdx info missing in ESD track %d", itrk));
      continue;
    }
    Double32_t *p = &infoPID[n];
    AliDebug(4, Form("n[%d] p[GeV/c]{%6.2f %6.2f %6.2f %6.2f %6.2f %6.2f}", n, p[0], p[1], p[2], p[3], p[4], p[5]));

    ULong_t status = track->GetStatus();
    if(!(status&AliESDtrack::kTRDpid)) continue;

    // fill the pid information
    SetRefPID(fRefPID, track, infoESD, fPID);
    // get particle type
    Int_t idx(TMath::LocMax(AliPID::kSPECIES, fPID)); 
    if(fPID[idx]<1.e-5) continue;
    
    // prepare PID data array
    if(!fPIDdataArray){ 
      fPIDdataArray = new AliTRDpidInfo();
    } else fPIDdataArray->Reset();
    fPIDdataArray->SetPID(idx);

    // fill PID information
    for(Int_t ily = 0; ily < AliTRDgeometry::kNlayer; ily++){

      // fill P & dE/dx information
      switch(fRefP){
      case kMC:
	if(!(ref = track->GetTrackRef(ily))) continue;
	fP = ref->P();
	break;
      case kRec:
	fP = p[ily];
	break;
      default: continue;
      }
      Double32_t *it = &infoPID[ily*AliTRDCalPID::kNSlicesNN];
      for(Int_t is=AliTRDCalPID::kNSlicesNN; is--; it++) fdEdx[is] = (*it);
      
      // momentum threshold
      if(fP < fPthreshold) continue;

      // store information
      fPIDdataArray->PushBack(ily, AliTRDpidUtil::GetMomentumBin(fP), fdEdx);
    }

    Fill();
  }
}


//________________________________________________________________________
void AliTRDpidRefMaker::Fill() 
{
// Fill data tree

  if(!fPIDdataArray->GetNtracklets()) return;
  // Fill data tree
  fData->Fill();

  
  // fill monitor
  for(Int_t itrklt=fPIDdataArray->GetNtracklets(); itrklt--;){
    Int_t pBin = fPIDdataArray->GetData(itrklt)->Momentum();
    ((TH2*)fContainer->At(0))->Fill(fPIDdataArray->GetPID(), pBin);
  }
}

//________________________________________________________________________
void AliTRDpidRefMaker::LinkPIDdata() 
{
// Link data tree to data members
  fData->SetBranchAddress("data", &fPIDdataArray);
}

//________________________________________________________________________
void AliTRDpidRefMaker::SetRefPID(ETRDpidRefMakerSource select, AliTRDtrackInfo *track, const AliTRDtrackInfo::AliESDinfo *infoESD, Float_t *pid) 
{
// Fill the reference PID values "pid" from "source" object
// according to the option "select". Possible options are
// - kV0  - v0 based PID
// - kMC  - MC truth [default]
// - kRec - outside detectors

  if(!track){
    AliError("No trackInfo found");
    return;
  }
  memset(pid, 0, AliPID::kSPECIES*sizeof(Float_t));
  switch(select){ 
  case kV0:
    {
      //Get V0 PID decisions for all particle species (implemented so far : electrons from conversions, pions from K0s and protons from Lambdas) :
      if(!infoESD->HasV0()) return;
      const Int_t *v0pid=infoESD->GetV0pid();
      for(Int_t is=AliPID::kSPECIES; is--;){ pid[is] = (Float_t)v0pid[is];}
    }
    break;
  case kMC:
    if(!HasMCdata()){
      AliError("Could not retrive reference PID from MC");
      return;
    }
    switch(track->GetPDG()){
    case kElectron:
    case kPositron:
      pid[AliPID::kElectron] = 1.;
      break;
    case kMuonPlus:
    case kMuonMinus:
      pid[AliPID::kMuon] = 1.;
      break;
    case kPiPlus:
    case kPiMinus:
      pid[AliPID::kPion] = 1.;
      break;
    case kKPlus:
    case kKMinus:
      pid[AliPID::kKaon] = 1.;
      break;
    case kProton:
    case kProtonBar:
      pid[AliPID::kProton] = 1.;
      break;
    }
    break;
  case kRec:
    { 
      AliTRDtrackV1 *trackTRD = track->GetTrack();
      trackTRD -> SetReconstructor(AliTRDinfoGen::Reconstructor());
      //fReconstructor -> SetOption("nn");
      trackTRD -> CookPID();
      for(Int_t iPart = 0; iPart < AliPID::kSPECIES; iPart++){
        pid[iPart] = trackTRD -> GetPID(iPart);
        AliDebug(4, Form("PDG is (in V0info) %d %f", iPart, pid[iPart]));
      }
    }
    break;
  default:
    AliWarning("PID reference source not implemented");
    return;
  }
  AliDebug(4, Form("Ref PID : %s[%5.2f] %s[%5.2f] %s[%5.2f] %s[%5.2f] %s[%5.2f]"
    ,AliPID::ParticleShortName(0), 1.e2*pid[0]
    ,AliPID::ParticleShortName(1), 1.e2*pid[1]
    ,AliPID::ParticleShortName(2), 1.e2*pid[2]
    ,AliPID::ParticleShortName(3), 1.e2*pid[3]
    ,AliPID::ParticleShortName(4), 1.e2*pid[4]
  ));
}

//________________________________________________________________________
void AliTRDpidRefMaker::SetAbundance(Float_t train) 
{
// Split data sample between trainning and testing

  if(train<0. || train >1.){
    AliWarning("The input data should be in the interval [0, 1]");
    return;
  }

  fFreq = train; 
}
Commit	Line	Data
1ee39b3a	1	#include "TPDGCode.h"
	2	#include "TFile.h"
	3	#include "TTree.h"
	4	#include "TEventList.h"
	5	#include "TObjArray.h"
	6	#include "TH2.h"
	7
	8	#include "AliLog.h"
	9	#include "AliESDtrack.h"
	10	#include "AliTrackReference.h"
068e2c00	11	#include "AliAnalysisManager.h"
1ee39b3a	12
	13	#include "AliTRDReconstructor.h"
	14	#include "AliTRDtrackV1.h"
	15	#include "AliTRDseedV1.h"
	16	#include "AliTRDpidRefMaker.h"
fd7ffd88	17	#include "AliTRDinfoGen.h"
1ee39b3a	18	#include "info/AliTRDv0Info.h"
a5a3321d	19	#include "info/AliTRDpidInfo.h"
1ee39b3a	20
	21
	22	// Defines and implements basic functionality for building reference data for TRD PID.
	23	//
	24	// Here is the list of functionality provided by this class
	25	// 1.
	26	// 2.
	27	//
	28	// Authors:
	29	// Alex Bercuci <A.Bercuci@gsi.de>
	30	// Alex Wilk <wilka@uni-muenster.de>
	31	// Markus Fasel <mfasel@gsi.de>
	32	// Markus Heide <mheide@uni-muenster.de>
	33	//
	34
	35	ClassImp(AliTRDpidRefMaker)
1ee39b3a	36
705f8b0a	37	//________________________________________________________________________
	38	AliTRDpidRefMaker::AliTRDpidRefMaker()
	39	:AliTRDrecoTask()
705f8b0a	40	,fV0s(NULL)
	41	,fData(NULL)
	42	,fInfo(NULL)
	43	,fPIDdataArray(NULL)
d80a6a00	44	,fRefPID(kV0)
d80a6a00	45	,fRefP(kRec)
705f8b0a	46	,fFreq(1.)
	47	,fP(-1.)
	48	,fPthreshold(0.)
	49	{
	50	//
	51	// Default constructor
	52	//
	53	SetNameTitle("PIDrefMaker", "PID Reference Maker");
	54	}
	55
1ee39b3a	56	//________________________________________________________________________
	57	AliTRDpidRefMaker::AliTRDpidRefMaker(const char name, const char title)
	58	:AliTRDrecoTask(name, title)
b91fdd71	59	,fV0s(NULL)
	60	,fData(NULL)
	61	,fInfo(NULL)
	62	,fPIDdataArray(NULL)
d80a6a00	63	,fRefPID(kV0)
d80a6a00	64	,fRefP(kRec)
1ee39b3a	65	,fFreq(1.)
	66	,fP(-1.)
	67	,fPthreshold(0.5)
	68	{
	69	//
	70	// Default constructor
	71	//
	72
61cfa442	73	memset(fdEdx, 0, AliTRDpidUtil::kNNslices*sizeof(Float_t));
1ee39b3a	74	memset(fPID, 0, AliPID::kSPECIES*sizeof(Float_t));
1ee39b3a	75
705f8b0a	76	DefineInput(2, TObjArray::Class()); // v0 list
	77	DefineInput(3, TObjArray::Class()); // pid info list
	78	DefineOutput(2, TTree::Class());
1ee39b3a	79	}
	80
	81
	82	//________________________________________________________________________
	83	AliTRDpidRefMaker::~AliTRDpidRefMaker()
	84	{
	85	if(fPIDdataArray) delete fPIDdataArray;
1ee39b3a	86	}
	87
	88	//________________________________________________________________________
	89	Bool_t AliTRDpidRefMaker::CheckQuality(AliTRDseedV1* /trklt/)
	90	{
	91	// Place holder for checking tracklet quality for PID.
	92	return kTRUE;
	93	}
	94
	95
	96	//________________________________________________________________________
	97	Float_t* AliTRDpidRefMaker::CookdEdx(AliTRDseedV1 *trklt)
	98	{
	99	trklt->CookdEdx(AliTRDpidUtil::kNNslices);
	100	memcpy(fdEdx, trklt->GetdEdx(), AliTRDpidUtil::kNNslices*sizeof(Float_t));
	101	return fdEdx;
	102	}
	103
	104
1ee39b3a	105	//________________________________________________________________________
f8f46e4d	106	void AliTRDpidRefMaker::UserCreateOutputObjects()
1ee39b3a	107	{
	108	// Create histograms
	109	// Called once
	110
1ee39b3a	111	fContainer = new TObjArray();
	112	fContainer->SetName(Form("Moni%s", GetName()));
	113
	114	TH2 *h2 = new TH2I("hPDG","Particle abundance", AliPID::kSPECIES, -0.5, 4.5, AliTRDCalPID::kNMom, -0.5, AliTRDCalPID::kNMom-0.5);
	115	TAxis *ax = h2->GetXaxis();
	116	ax->SetNdivisions(505);
	117	ax->SetTitle("Particle species");
	118	for(Int_t is=AliPID::kSPECIES; is--;) ax->SetBinLabel(is+1, AliPID::ParticleShortName(is));
	119	h2->GetYaxis()->SetTitle("P bins");
	120	h2->GetYaxis()->SetNdivisions(511);
1ee39b3a	121	fContainer->AddAt(h2, 0);
068e2c00	122	PostData(1, fContainer);
1ee39b3a	123
265a93da	124	OpenFile(2);
a5a3321d	125	fData = new TTree("RefPID", "Reference data for PID");
1ee39b3a	126	fData->Branch("data", &fPIDdataArray);
068e2c00	127	PostData(2, fData);
1ee39b3a	128	}
	129
	130	//________________________________________________________________________
f8f46e4d	131	void AliTRDpidRefMaker::UserExec(Option_t *)
1ee39b3a	132	{
	133	// Main loop
	134	// Called for each event
068e2c00	135	Int_t ev((Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry());
	136	if(!(fTracks = dynamic_cast<TObjArray*>(GetInputData(1)))){
	137	AliDebug(3, Form("Missing tracks container in ev %d", ev));
	138	return;
	139	}
	140	if(!(fV0s = dynamic_cast<TObjArray*>(GetInputData(2)))){
	141	AliDebug(3, Form("Missing v0 container in ev %d", ev));
	142	return;
	143	}
	144	if(!(fInfo = dynamic_cast<TObjArray*>(GetInputData(3)))){
	145	AliDebug(3, Form("Missing pid info container in ev %d", ev));
	146	return;
	147	}
705f8b0a	148
76106bcc	149	AliDebug(1, Form("Entries: Ev[%d] Tracks[%d] V0[%d] PID[%d]", ev, fTracks->GetEntriesFast(), fV0s->GetEntriesFast(), fInfo->GetEntriesFast()));
b91fdd71	150	AliTRDtrackInfo *track = NULL;
	151	AliTRDtrackV1 *trackTRD = NULL;
	152	AliTrackReference *ref = NULL;
	153	const AliTRDtrackInfo::AliESDinfo *infoESD = NULL;
1ee39b3a	154	for(Int_t itrk=0; itrk<fTracks->GetEntriesFast(); itrk++){
	155	track = (AliTRDtrackInfo*)fTracks->UncheckedAt(itrk);
	156	if(!track->HasESDtrack()) continue;
	157	trackTRD = track->GetTrack();
	158	infoESD = track->GetESDinfo();
	159	Double32_t *infoPID = infoESD->GetSliceIter();
	160	Int_t n = infoESD->GetNSlices() - AliTRDgeometry::kNlayer;
46760dda	161	if(n==0){
	162	AliWarning(Form("dEdx info missing in ESD track %d", itrk));
	163	continue;
	164	}
1ee39b3a	165	Double32_t *p = &infoPID[n];
4226db3e	166	AliDebug(4, Form("n[%d] p[GeV/c]{%6.2f %6.2f %6.2f %6.2f %6.2f %6.2f}", n, p[0], p[1], p[2], p[3], p[4], p[5]));
1ee39b3a	167
1ee39b3a	168	ULong_t status = track->GetStatus();
12e87bd0	169	if(!(status&AliESDtrack::kTRDpid)) continue;
1ee39b3a	170
1ee39b3a	171	// fill the pid information
d80a6a00	172	SetRefPID(fRefPID, track, infoESD, fPID);
a5a3321d	173	// get particle type
a5a3321d	174	Int_t idx(TMath::LocMax(AliPID::kSPECIES, fPID));
24b3cfb9	175	if(fPID[idx]<1.e-5) continue;
860a9397	176
1ee39b3a	177	// prepare PID data array
1ee39b3a	178	if(!fPIDdataArray){
a5a3321d	179	fPIDdataArray = new AliTRDpidInfo();
1ee39b3a	180	} else fPIDdataArray->Reset();
a5a3321d	181	fPIDdataArray->SetPID(idx);
1ee39b3a	182
	183	// fill PID information
	184	for(Int_t ily = 0; ily < AliTRDgeometry::kNlayer; ily++){
	185
	186	// fill P & dE/dx information
d80a6a00	187	switch(fRefP){
	188	case kMC:
	189	if(!(ref = track->GetTrackRef(ily))) continue;
	190	fP = ref->P();
	191	break;
	192	case kRec:
	193	fP = p[ily];
	194	break;
	195	default: continue;
1ee39b3a	196	}
d80a6a00	197	Double32_t it = &infoPID[ilyAliTRDCalPID::kNSlicesNN];
	198	for(Int_t is=AliTRDCalPID::kNSlicesNN; is--; it++) fdEdx[is] = (*it);
	199
1ee39b3a	200	// momentum threshold
	201	if(fP < fPthreshold) continue;
	202
	203	// store information
	204	fPIDdataArray->PushBack(ily, AliTRDpidUtil::GetMomentumBin(fP), fdEdx);
	205	}
	206
	207	Fill();
	208	}
1ee39b3a	209	}
	210
	211
	212	//________________________________________________________________________
	213	void AliTRDpidRefMaker::Fill()
	214	{
	215	// Fill data tree
	216
a5a3321d	217	if(!fPIDdataArray->GetNtracklets()) return;
87c9fc00	218	// Fill data tree
1ee39b3a	219	fData->Fill();
	220
	221
	222	// fill monitor
a5a3321d	223	for(Int_t itrklt=fPIDdataArray->GetNtracklets(); itrklt--;){
	224	Int_t pBin = fPIDdataArray->GetData(itrklt)->Momentum();
	225	((TH2*)fContainer->At(0))->Fill(fPIDdataArray->GetPID(), pBin);
1ee39b3a	226	}
	227	}
	228
	229	//________________________________________________________________________
	230	void AliTRDpidRefMaker::LinkPIDdata()
	231	{
	232	// Link data tree to data members
1ee39b3a	233	fData->SetBranchAddress("data", &fPIDdataArray);
	234	}
	235
	236	//________________________________________________________________________
d80a6a00	237	void AliTRDpidRefMaker::SetRefPID(ETRDpidRefMakerSource select, AliTRDtrackInfo track, const AliTRDtrackInfo::AliESDinfo infoESD, Float_t *pid)
1ee39b3a	238	{
	239	// Fill the reference PID values "pid" from "source" object
	240	// according to the option "select". Possible options are
	241	// - kV0 - v0 based PID
	242	// - kMC - MC truth [default]
	243	// - kRec - outside detectors
	244
3d19c1b0	245	if(!track){
	246	AliError("No trackInfo found");
	247	return;
	248	}
860a9397	249	memset(pid, 0, AliPID::kSPECIES*sizeof(Float_t));
1ee39b3a	250	switch(select){
	251	case kV0:
	252	{
d80a6a00	253	//Get V0 PID decisions for all particle species (implemented so far : electrons from conversions, pions from K0s and protons from Lambdas) :
	254	if(!infoESD->HasV0()) return;
	255	const Int_t *v0pid=infoESD->GetV0pid();
860a9397	256	for(Int_t is=AliPID::kSPECIES; is--;){ pid[is] = (Float_t)v0pid[is];}
1ee39b3a	257	}
	258	break;
	259	case kMC:
	260	if(!HasMCdata()){
	261	AliError("Could not retrive reference PID from MC");
	262	return;
	263	}
3d19c1b0	264	switch(track->GetPDG()){
	265	case kElectron:
	266	case kPositron:
860a9397	267	pid[AliPID::kElectron] = 1.;
3d19c1b0	268	break;
	269	case kMuonPlus:
	270	case kMuonMinus:
860a9397	271	pid[AliPID::kMuon] = 1.;
3d19c1b0	272	break;
	273	case kPiPlus:
	274	case kPiMinus:
860a9397	275	pid[AliPID::kPion] = 1.;
3d19c1b0	276	break;
	277	case kKPlus:
	278	case kKMinus:
860a9397	279	pid[AliPID::kKaon] = 1.;
3d19c1b0	280	break;
	281	case kProton:
	282	case kProtonBar:
860a9397	283	pid[AliPID::kProton] = 1.;
3d19c1b0	284	break;
1ee39b3a	285	}
	286	break;
	287	case kRec:
	288	{
1ee39b3a	289	AliTRDtrackV1 *trackTRD = track->GetTrack();
fd7ffd88	290	trackTRD -> SetReconstructor(AliTRDinfoGen::Reconstructor());
1ee39b3a	291	//fReconstructor -> SetOption("nn");
	292	trackTRD -> CookPID();
	293	for(Int_t iPart = 0; iPart < AliPID::kSPECIES; iPart++){
	294	pid[iPart] = trackTRD -> GetPID(iPart);
	295	AliDebug(4, Form("PDG is (in V0info) %d %f", iPart, pid[iPart]));
	296	}
	297	}
	298	break;
	299	default:
	300	AliWarning("PID reference source not implemented");
	301	return;
	302	}
ca50a37e	303	AliDebug(4, Form("Ref PID : %s[%5.2f] %s[%5.2f] %s[%5.2f] %s[%5.2f] %s[%5.2f]"
860a9397	304	,AliPID::ParticleShortName(0), 1.e2*pid[0]
	305	,AliPID::ParticleShortName(1), 1.e2*pid[1]
	306	,AliPID::ParticleShortName(2), 1.e2*pid[2]
	307	,AliPID::ParticleShortName(3), 1.e2*pid[3]
	308	,AliPID::ParticleShortName(4), 1.e2*pid[4]
1ee39b3a	309	));
	310	}
	311
	312	//________________________________________________________________________
	313	void AliTRDpidRefMaker::SetAbundance(Float_t train)
	314	{
	315	// Split data sample between trainning and testing
	316
	317	if(train<0. \|\| train >1.){
	318	AliWarning("The input data should be in the interval [0, 1]");
	319	return;
	320	}
	321
	322	fFreq = train;
	323	}
	324