[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 "AliTRDReconstructor.h"
#include "AliTRDtrackV1.h"
#include "AliTRDseedV1.h"
#include "AliTRDpidRefMaker.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()
  ,fReconstructor(NULL)
  ,fV0s(NULL)
  ,fData(NULL)
  ,fInfo(NULL)
  ,fPIDdataArray(NULL)
  ,fRefPID(kMC)
  ,fRefP(kMC)
  ,fFreq(1.)
  ,fP(-1.)
  ,fPthreshold(0.)
{
  //
  // Default constructor
  //
  SetNameTitle("PIDrefMaker", "PID Reference Maker");
}

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

  fReconstructor = new AliTRDReconstructor();
  fReconstructor->SetRecoParam(AliTRDrecoParam::GetLowFluxParam());
  memset(fdEdx, 0, 10*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;
  if(fReconstructor) delete fReconstructor;
}

//________________________________________________________________________
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);

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

//________________________________________________________________________
void AliTRDpidRefMaker::UserExec(Option_t *) 
{
  // Main loop
  // Called for each event

  if(!(fTracks = dynamic_cast<TObjArray*>(GetInputData(1)))) return;
  if(!(fV0s    = dynamic_cast<TObjArray*>(GetInputData(2)))) return;
  if(!(fInfo   = dynamic_cast<TObjArray*>(GetInputData(3)))) return;

  AliDebug(1, Form("Entries: Tracks[%d] V0[%d] PID[%d]", 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::kTPCout)) continue;

    // fill the pid information
    SetRefPID(fRefPID, track, fPID);
    // get particle type
    Int_t idx(TMath::LocMax(AliPID::kSPECIES, fPID)); 
    if(idx == 0 && fPID[0]<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
      if(HasFriends()){ // from TRD track
        if(!trackTRD) continue;
        AliTRDseedV1 *trackletTRD(NULL);
        trackTRD -> SetReconstructor(fReconstructor);
        if(!(trackletTRD = trackTRD -> GetTracklet(ily))) continue;
        if(!CheckQuality(trackletTRD)) continue;
        if(!CookdEdx(trackletTRD)) continue;

        // fill momentum information
        fP = 0.;
        switch(fRefP){
        case kMC:
          if(!(ref = track->GetTrackRef(trackletTRD))) continue;
          fP = ref->P();
          break;
        case kRec:
          fP = trackletTRD->GetMomentum();
          break;
        default: continue;
        }
      } else { // from ESD track
        // fill momentum 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();
  }

  PostData(1, fContainer);
  PostData(2, fData);
}


//________________________________________________________________________
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, 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(fPID, 0, AliPID::kSPECIES*sizeof(Float_t));
  switch(select){ 
  case kV0:
    {
      //Get V0 PID decisions from the AliTRDv0Info for all particle species (implemented so far : electrons from conversions, pions from K0s and protons from Lambdas) :
      AliTRDv0Info *v0(NULL);
      for(Int_t iv(0); iv<fV0s->GetEntriesFast(); iv++){
        if(!(v0 = (AliTRDv0Info*)fV0s->At(iv))) continue;
        if(!v0->HasTrack(track)) continue;
        for(Int_t is=AliPID::kSPECIES; is--;) fPID[is] = v0->GetPID(is, track);
        break;
      }
    }
    break;
  case kMC:
    if(!HasMCdata()){
      AliError("Could not retrive reference PID from MC");
      return;
    }
    switch(track->GetPDG()){
    case kElectron:
    case kPositron:
      fPID[AliPID::kElectron] = 1.;
      break;
    case kMuonPlus:
    case kMuonMinus:
      fPID[AliPID::kMuon] = 1.;
      break;
    case kPiPlus:
    case kPiMinus:
      fPID[AliPID::kPion] = 1.;
      break;
    case kKPlus:
    case kKMinus:
      fPID[AliPID::kKaon] = 1.;
      break;
    case kProton:
    case kProtonBar:
      fPID[AliPID::kProton] = 1.;
      break;
    }
    break;
  case kRec:
    { 
      AliTRDtrackV1 *trackTRD = track->GetTrack();
      trackTRD -> SetReconstructor(fReconstructor);
      //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*fPID[0]
    ,AliPID::ParticleShortName(1), 1.e2*fPID[1]
    ,AliPID::ParticleShortName(2), 1.e2*fPID[2]
    ,AliPID::ParticleShortName(3), 1.e2*fPID[3]
    ,AliPID::ParticleShortName(4), 1.e2*fPID[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"
	11
	12	#include "AliTRDReconstructor.h"
	13	#include "AliTRDtrackV1.h"
	14	#include "AliTRDseedV1.h"
	15	#include "AliTRDpidRefMaker.h"
	16	#include "info/AliTRDv0Info.h"
a5a3321d	17	#include "info/AliTRDpidInfo.h"
1ee39b3a	18
	19
	20	// Defines and implements basic functionality for building reference data for TRD PID.
	21	//
	22	// Here is the list of functionality provided by this class
	23	// 1.
	24	// 2.
	25	//
	26	// Authors:
	27	// Alex Bercuci <A.Bercuci@gsi.de>
	28	// Alex Wilk <wilka@uni-muenster.de>
	29	// Markus Fasel <mfasel@gsi.de>
	30	// Markus Heide <mheide@uni-muenster.de>
	31	//
	32
	33	ClassImp(AliTRDpidRefMaker)
1ee39b3a	34
705f8b0a	35	//________________________________________________________________________
	36	AliTRDpidRefMaker::AliTRDpidRefMaker()
	37	:AliTRDrecoTask()
	38	,fReconstructor(NULL)
	39	,fV0s(NULL)
	40	,fData(NULL)
	41	,fInfo(NULL)
	42	,fPIDdataArray(NULL)
	43	,fRefPID(kMC)
	44	,fRefP(kMC)
705f8b0a	45	,fFreq(1.)
	46	,fP(-1.)
	47	,fPthreshold(0.)
	48	{
	49	//
	50	// Default constructor
	51	//
	52	SetNameTitle("PIDrefMaker", "PID Reference Maker");
	53	}
	54
1ee39b3a	55	//________________________________________________________________________
	56	AliTRDpidRefMaker::AliTRDpidRefMaker(const char name, const char title)
	57	:AliTRDrecoTask(name, title)
b91fdd71	58	,fReconstructor(NULL)
	59	,fV0s(NULL)
	60	,fData(NULL)
	61	,fInfo(NULL)
	62	,fPIDdataArray(NULL)
1ee39b3a	63	,fRefPID(kMC)
1ee39b3a	64	,fRefP(kMC)
1ee39b3a	65	,fFreq(1.)
	66	,fP(-1.)
	67	,fPthreshold(0.5)
	68	{
	69	//
	70	// Default constructor
	71	//
	72
	73	fReconstructor = new AliTRDReconstructor();
	74	fReconstructor->SetRecoParam(AliTRDrecoParam::GetLowFluxParam());
	75	memset(fdEdx, 0, 10*sizeof(Float_t));
	76	memset(fPID, 0, AliPID::kSPECIES*sizeof(Float_t));
	77
705f8b0a	78	DefineInput(2, TObjArray::Class()); // v0 list
	79	DefineInput(3, TObjArray::Class()); // pid info list
	80	DefineOutput(2, TTree::Class());
1ee39b3a	81	}
	82
	83
	84	//________________________________________________________________________
	85	AliTRDpidRefMaker::~AliTRDpidRefMaker()
	86	{
	87	if(fPIDdataArray) delete fPIDdataArray;
	88	if(fReconstructor) delete fReconstructor;
	89	}
	90
	91	//________________________________________________________________________
	92	Bool_t AliTRDpidRefMaker::CheckQuality(AliTRDseedV1* /trklt/)
	93	{
	94	// Place holder for checking tracklet quality for PID.
	95	return kTRUE;
	96	}
	97
	98
	99	//________________________________________________________________________
	100	Float_t* AliTRDpidRefMaker::CookdEdx(AliTRDseedV1 *trklt)
	101	{
	102	trklt->CookdEdx(AliTRDpidUtil::kNNslices);
	103	memcpy(fdEdx, trklt->GetdEdx(), AliTRDpidUtil::kNNslices*sizeof(Float_t));
	104	return fdEdx;
	105	}
	106
	107
1ee39b3a	108	//________________________________________________________________________
f8f46e4d	109	void AliTRDpidRefMaker::UserCreateOutputObjects()
1ee39b3a	110	{
	111	// Create histograms
	112	// Called once
	113
1ee39b3a	114	fContainer = new TObjArray();
	115	fContainer->SetName(Form("Moni%s", GetName()));
	116
	117	TH2 *h2 = new TH2I("hPDG","Particle abundance", AliPID::kSPECIES, -0.5, 4.5, AliTRDCalPID::kNMom, -0.5, AliTRDCalPID::kNMom-0.5);
	118	TAxis *ax = h2->GetXaxis();
	119	ax->SetNdivisions(505);
	120	ax->SetTitle("Particle species");
	121	for(Int_t is=AliPID::kSPECIES; is--;) ax->SetBinLabel(is+1, AliPID::ParticleShortName(is));
	122	h2->GetYaxis()->SetTitle("P bins");
	123	h2->GetYaxis()->SetNdivisions(511);
1ee39b3a	124	fContainer->AddAt(h2, 0);
1ee39b3a	125
a5a3321d	126	fData = new TTree("RefPID", "Reference data for PID");
1ee39b3a	127	fData->Branch("data", &fPIDdataArray);
	128	}
	129
	130	//________________________________________________________________________
f8f46e4d	131	void AliTRDpidRefMaker::UserExec(Option_t *)
1ee39b3a	132	{
	133	// Main loop
	134	// Called for each event
	135
87c9fc00	136	if(!(fTracks = dynamic_cast<TObjArray*>(GetInputData(1)))) return;
	137	if(!(fV0s = dynamic_cast<TObjArray*>(GetInputData(2)))) return;
	138	if(!(fInfo = dynamic_cast<TObjArray*>(GetInputData(3)))) return;
705f8b0a	139
a5a3321d	140	AliDebug(1, Form("Entries: Tracks[%d] V0[%d] PID[%d]", fTracks->GetEntriesFast(), fV0s->GetEntriesFast(), fInfo->GetEntriesFast()));
b91fdd71	141	AliTRDtrackInfo *track = NULL;
	142	AliTRDtrackV1 *trackTRD = NULL;
	143	AliTrackReference *ref = NULL;
	144	const AliTRDtrackInfo::AliESDinfo *infoESD = NULL;
1ee39b3a	145	for(Int_t itrk=0; itrk<fTracks->GetEntriesFast(); itrk++){
	146	track = (AliTRDtrackInfo*)fTracks->UncheckedAt(itrk);
	147	if(!track->HasESDtrack()) continue;
	148	trackTRD = track->GetTrack();
	149	infoESD = track->GetESDinfo();
	150	Double32_t *infoPID = infoESD->GetSliceIter();
	151	Int_t n = infoESD->GetNSlices() - AliTRDgeometry::kNlayer;
46760dda	152	if(n==0){
	153	AliWarning(Form("dEdx info missing in ESD track %d", itrk));
	154	continue;
	155	}
1ee39b3a	156	Double32_t *p = &infoPID[n];
4226db3e	157	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	158
	159	ULong_t status = track->GetStatus();
	160	if(!(status&AliESDtrack::kTPCout)) continue;
	161
	162	// fill the pid information
	163	SetRefPID(fRefPID, track, fPID);
a5a3321d	164	// get particle type
	165	Int_t idx(TMath::LocMax(AliPID::kSPECIES, fPID));
	166	if(idx == 0 && fPID[0]<1.e-5) continue;
1ee39b3a	167
	168	// prepare PID data array
	169	if(!fPIDdataArray){
a5a3321d	170	fPIDdataArray = new AliTRDpidInfo();
1ee39b3a	171	} else fPIDdataArray->Reset();
a5a3321d	172	fPIDdataArray->SetPID(idx);
1ee39b3a	173
	174	// fill PID information
	175	for(Int_t ily = 0; ily < AliTRDgeometry::kNlayer; ily++){
	176
	177	// fill P & dE/dx information
	178	if(HasFriends()){ // from TRD track
	179	if(!trackTRD) continue;
b91fdd71	180	AliTRDseedV1 *trackletTRD(NULL);
1ee39b3a	181	trackTRD -> SetReconstructor(fReconstructor);
	182	if(!(trackletTRD = trackTRD -> GetTracklet(ily))) continue;
	183	if(!CheckQuality(trackletTRD)) continue;
	184	if(!CookdEdx(trackletTRD)) continue;
	185
	186	// fill momentum information
	187	fP = 0.;
	188	switch(fRefP){
	189	case kMC:
	190	if(!(ref = track->GetTrackRef(trackletTRD))) continue;
	191	fP = ref->P();
	192	break;
	193	case kRec:
	194	fP = trackletTRD->GetMomentum();
	195	break;
	196	default: continue;
	197	}
	198	} else { // from ESD track
	199	// fill momentum information
	200	switch(fRefP){
	201	case kMC:
	202	if(!(ref = track->GetTrackRef(ily))) continue;
	203	fP = ref->P();
	204	break;
	205	case kRec:
	206	fP = p[ily];
	207	break;
	208	default: continue;
	209	}
	210	Double32_t it = &infoPID[ilyAliTRDCalPID::kNSlicesNN];
	211	for(Int_t is=AliTRDCalPID::kNSlicesNN; is--; it++) fdEdx[is] = (*it);
	212	}
	213
	214	// momentum threshold
	215	if(fP < fPthreshold) continue;
	216
	217	// store information
	218	fPIDdataArray->PushBack(ily, AliTRDpidUtil::GetMomentumBin(fP), fdEdx);
	219	}
	220
	221	Fill();
	222	}
	223
f8f46e4d	224	PostData(1, fContainer);
f8f46e4d	225	PostData(2, fData);
1ee39b3a	226	}
	227
	228
	229	//________________________________________________________________________
	230	void AliTRDpidRefMaker::Fill()
	231	{
	232	// Fill data tree
	233
a5a3321d	234	if(!fPIDdataArray->GetNtracklets()) return;
87c9fc00	235	// Fill data tree
1ee39b3a	236	fData->Fill();
	237
	238
	239	// fill monitor
a5a3321d	240	for(Int_t itrklt=fPIDdataArray->GetNtracklets(); itrklt--;){
	241	Int_t pBin = fPIDdataArray->GetData(itrklt)->Momentum();
	242	((TH2*)fContainer->At(0))->Fill(fPIDdataArray->GetPID(), pBin);
1ee39b3a	243	}
	244	}
	245
	246	//________________________________________________________________________
	247	void AliTRDpidRefMaker::LinkPIDdata()
	248	{
	249	// Link data tree to data members
1ee39b3a	250	fData->SetBranchAddress("data", &fPIDdataArray);
	251	}
	252
	253	//________________________________________________________________________
3d19c1b0	254	void AliTRDpidRefMaker::SetRefPID(ETRDpidRefMakerSource select, AliTRDtrackInfo track, Float_t pid)
1ee39b3a	255	{
	256	// Fill the reference PID values "pid" from "source" object
	257	// according to the option "select". Possible options are
	258	// - kV0 - v0 based PID
	259	// - kMC - MC truth [default]
	260	// - kRec - outside detectors
	261
3d19c1b0	262	if(!track){
	263	AliError("No trackInfo found");
	264	return;
	265	}
1ee39b3a	266	memset(fPID, 0, AliPID::kSPECIES*sizeof(Float_t));
	267	switch(select){
	268	case kV0:
	269	{
1ee39b3a	270	//Get V0 PID decisions from the AliTRDv0Info for all particle species (implemented so far : electrons from conversions, pions from K0s and protons from Lambdas) :
3d19c1b0	271	AliTRDv0Info *v0(NULL);
	272	for(Int_t iv(0); iv<fV0s->GetEntriesFast(); iv++){
	273	if(!(v0 = (AliTRDv0Info*)fV0s->At(iv))) continue;
	274	if(!v0->HasTrack(track)) continue;
	275	for(Int_t is=AliPID::kSPECIES; is--;) fPID[is] = v0->GetPID(is, track);
	276	break;
	277	}
1ee39b3a	278	}
	279	break;
	280	case kMC:
	281	if(!HasMCdata()){
	282	AliError("Could not retrive reference PID from MC");
	283	return;
	284	}
3d19c1b0	285	switch(track->GetPDG()){
	286	case kElectron:
	287	case kPositron:
	288	fPID[AliPID::kElectron] = 1.;
	289	break;
	290	case kMuonPlus:
	291	case kMuonMinus:
	292	fPID[AliPID::kMuon] = 1.;
	293	break;
	294	case kPiPlus:
	295	case kPiMinus:
	296	fPID[AliPID::kPion] = 1.;
	297	break;
	298	case kKPlus:
	299	case kKMinus:
	300	fPID[AliPID::kKaon] = 1.;
	301	break;
	302	case kProton:
	303	case kProtonBar:
	304	fPID[AliPID::kProton] = 1.;
	305	break;
1ee39b3a	306	}
	307	break;
	308	case kRec:
	309	{
1ee39b3a	310	AliTRDtrackV1 *trackTRD = track->GetTrack();
	311	trackTRD -> SetReconstructor(fReconstructor);
	312	//fReconstructor -> SetOption("nn");
	313	trackTRD -> CookPID();
	314	for(Int_t iPart = 0; iPart < AliPID::kSPECIES; iPart++){
	315	pid[iPart] = trackTRD -> GetPID(iPart);
	316	AliDebug(4, Form("PDG is (in V0info) %d %f", iPart, pid[iPart]));
	317	}
	318	}
	319	break;
	320	default:
	321	AliWarning("PID reference source not implemented");
	322	return;
	323	}
	324	AliDebug(4, Form("Ref PID [%] : %s[%5.2f] %s[%5.2f] %s[%5.2f] %s[%5.2f] %s[%5.2f]"
	325	,AliPID::ParticleShortName(0), 1.e2*fPID[0]
	326	,AliPID::ParticleShortName(1), 1.e2*fPID[1]
	327	,AliPID::ParticleShortName(2), 1.e2*fPID[2]
	328	,AliPID::ParticleShortName(3), 1.e2*fPID[3]
	329	,AliPID::ParticleShortName(4), 1.e2*fPID[4]
	330	));
	331	}
	332
	333	//________________________________________________________________________
	334	void AliTRDpidRefMaker::SetAbundance(Float_t train)
	335	{
	336	// Split data sample between trainning and testing
	337
	338	if(train<0. \|\| train >1.){
	339	AliWarning("The input data should be in the interval [0, 1]");
	340	return;
	341	}
	342
	343	fFreq = train;
	344	}
	345