[u/mrichter/AliRoot.git] / PWGLF / RESONANCES / AliRsnValueDaughter.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, 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.                  *
 **************************************************************************/

////////////////////////////////////////////////////////////////////////////////
//
//  This class contains all code which is used to compute any of the values
//  which can be of interest within a resonance analysis. Besides the obvious
//  invariant mass, it allows to compute other utility values on all possible
//  targets, in order to allow a wide spectrum of binning and checks.
//  When needed, this object can also define a binning in the variable which
//  it is required to compute, which is used for initializing axes of output
//  histograms (see AliRsnFunction).
//  The value computation requires this object to be passed the object whose
//  informations will be used. This object can be of any allowed input type
//  (track, Daughter, event), then this class must inherit from AliRsnTarget.
//  Then, when value computation is attempted, a check on target type is done
//  and computation is successful only if expected target matches that of the
//  passed object.
//  In some cases, the value computation can require a support external object,
//  which must then be passed to this class. It can be of any type inheriting
//  from TObject.
//
//  authors: A. Pulvirenti (alberto.pulvirenti@ct.infn.it)
//           M. Vala (martin.vala@cern.ch)
//
////////////////////////////////////////////////////////////////////////////////

#include <Riostream.h>
#include "AliVVertex.h"
#include "AliMultiplicity.h"
#include "AliESDtrackCuts.h"
#include "AliESDpid.h"
#include "AliAODPid.h"
#include "AliCentrality.h"
#include "AliESDUtils.h"
#include "AliPIDResponse.h"

#include "AliRsnEvent.h"
#include "AliRsnDaughter.h"
#include "AliRsnMother.h"
#include "AliRsnDaughterDef.h"
#include "AliRsnDaughterDef.h"

#include "AliRsnValueDaughter.h"

ClassImp(AliRsnValueDaughter)

//_____________________________________________________________________________
AliRsnValueDaughter::AliRsnValueDaughter(const char *name, EType type) :
   AliRsnValue(name, AliRsnTarget::kDaughter),
   fType(type)
{
//
// Constructor
//
}

//_____________________________________________________________________________
AliRsnValueDaughter::AliRsnValueDaughter(const AliRsnValueDaughter &copy) :
   AliRsnValue(copy),
   fType(copy.fType)
{
//
// Copy constructor
//
}

//_____________________________________________________________________________
AliRsnValueDaughter &AliRsnValueDaughter::operator=(const AliRsnValueDaughter &copy)
{
//
// Assignment operator.
// Works like copy constructor.
//

   AliRsnValue::operator=(copy);
   if (this == &copy)
      return *this;
   fType = copy.fType;

   return (*this);
}

//_____________________________________________________________________________
const char *AliRsnValueDaughter::GetTypeName() const
{
//
// This method returns a string to give a name to each possible
// computation value.
//

   switch (fType) {
      case kP:            	       return "SingleTrackPtot";
      case kPt:           	       return "SingleTrackPt";
      case kPtpc:         	       return "SingleTrackPtpc";
      case kEta:          	       return "SingleTrackEta";
      case kMass:         	       return "SingleTrackMass";
      case kITSsignal:    	       return "SingleTrackITSsignal";
      case kTPCsignal:    	        return "SingleTrackTPCsignal";
      case kTOFsignal:    	        return "SingleTrackTOFsignal";
      case kTPCnsigmaPi:  	        return "SingleTrackTPCnsigmaPion";
      case kTPCnsigmaK:   	        return "SingleTrackTPCnsigmaKaon";
      case kTPCnsigmaP:   	        return "SingleTrackTPCnsigmaProton";
      case kTOFnsigmaPi:  	        return "SingleTrackTOFnsigmaPion";
      case kTOFnsigmaK:   	        return "SingleTrackTOFnsigmaKaon";
      case kTOFnsigmaP:   	        return "SingleTrackTOFnsigmaProton";
      case kV0DCA:        	        return "V0DCAToPrimaryVertex";
      case kDaughterDCA:  	        return "V0DaughterDCA";
      case kCosPointAng:  	        return "V0CosineOfPointingAngle";
      case kLambdaProtonPIDCut:         return "V0LambdaProtonNsigma";
      case kAntiLambdaAntiProtonPIDCut: return "V0AntiLambdaAntiProtonNsigma";
      case kLambdaPionPIDCut:           return "V0LambdaPionNsigma";
      case kAntiLambdaAntiPionPIDCut:   return "V0AntiLambdaPionNsigma";
      default:                          return "Undefined";
   }
}

//_____________________________________________________________________________
Bool_t AliRsnValueDaughter::Eval(TObject *object)
{
//
// Evaluation of the required value.
// Checks that the passed object is of the right type
// and if this check is successful, computes the required value.
// The output of the function tells if computing was successful,
// and the values must be taken with GetValue().
//

   // coherence check, which also casts object
   // to AliRsnTarget data members and returns kFALSE
   // in case the object is NULL
   if (!TargetOK(object)) return kFALSE;

   // set a reference to the mother momentum
   AliVParticle   *ref   = fDaughter->GetRef();
   AliVParticle   *refMC = fDaughter->GetRefMC();
   AliVTrack      *track = fDaughter->Ref2Vtrack();
   AliESDv0       *v0esd = fDaughter->Ref2ESDv0();
   AliAODv0       *v0aod = fDaughter->Ref2AODv0();
   AliESDEvent    *lESDEvent = fEvent->GetRefESD();
   
   Double_t xPrimaryVertex = lESDEvent->GetPrimaryVertex()->GetX();
   Double_t yPrimaryVertex = lESDEvent->GetPrimaryVertex()->GetY();
   Double_t zPrimaryVertex = lESDEvent->GetPrimaryVertex()->GetZ();
   
   if (fUseMCInfo && !refMC) {
      AliError("No MC");
      return kFALSE;
   }
   if (!fUseMCInfo && !ref) {
      AliError("No DATA");
      return kFALSE;
   }

   // compute value depending on types in the enumeration
   // if the type does not match any available choice, or if
   // the computation is not doable due to any problem
   // (not initialized support object, wrong values, risk of floating point errors)
   // the method returng kFALSE and sets the computed value to a meaningless number
   switch (fType) {
      case kP:
         fComputedValue = (fUseMCInfo ? refMC->P() : ref->P());
         return kTRUE;
      case kPt:
         fComputedValue = (fUseMCInfo ? refMC->Pt() : ref->Pt());
         return kTRUE;
      case kEta:
         fComputedValue = (fUseMCInfo ? refMC->Eta() : ref->Eta());
         return kTRUE;
      case kMass:
         fComputedValue = (fUseMCInfo ? refMC->M() : ref->M());
         return kTRUE;
      case kPtpc:
         if (track) {
            fComputedValue = track->GetTPCmomentum();
            return kTRUE;
         } else {
            AliWarning("Cannot get TPC momentum for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kITSsignal:
         if (track) {
            fComputedValue = track->GetITSsignal();
            return kTRUE;
         } else {
            AliWarning("Cannot get ITS signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTPCsignal:
         if (track) {
            fComputedValue = track->GetTPCsignal();
            return kTRUE;
         } else {
            AliWarning("Cannot get TPC signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTOFsignal:
         if (track) {
            fComputedValue = track->GetTOFsignal();
            return kTRUE;
         } else {
            AliWarning("Cannot get TOF signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTPCnsigmaPi:
         if (track) {
            AliPIDResponse *pid = fEvent->GetPIDResponse();
            fComputedValue = pid->NumberOfSigmasTPC(track, AliPID::kPion);
            return kTRUE;
         } else {
            AliWarning("Cannot get TOF signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTPCnsigmaK:
         if (track) {
            AliPIDResponse *pid = fEvent->GetPIDResponse();
            fComputedValue = pid->NumberOfSigmasTPC(track, AliPID::kKaon);
            return kTRUE;
         } else {
            AliWarning("Cannot get TOF signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTPCnsigmaP:
         if (track) {
            AliPIDResponse *pid = fEvent->GetPIDResponse();
            fComputedValue = pid->NumberOfSigmasTPC(track, AliPID::kProton);
            return kTRUE;
         } else {
            AliWarning("Cannot get TOF signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTOFnsigmaPi:
         if (track) {
            AliPIDResponse *pid = fEvent->GetPIDResponse();
            fComputedValue = pid->NumberOfSigmasTOF(track, AliPID::kPion);
            return kTRUE;
         } else {
            AliWarning("Cannot get TOF signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTOFnsigmaK:
         if (track) {
            AliPIDResponse *pid = fEvent->GetPIDResponse();
            fComputedValue = pid->NumberOfSigmasTOF(track, AliPID::kKaon);
            return kTRUE;
         } else {
            AliWarning("Cannot get TOF signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTOFnsigmaP:
         if (track) {
            AliPIDResponse *pid = fEvent->GetPIDResponse();
            fComputedValue = pid->NumberOfSigmasTOF(track, AliPID::kProton);
            return kTRUE;
         } else {
            AliWarning("Cannot get TOF signal for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kNITSclusters:
         if (track) {
            AliESDtrack *trackESD = dynamic_cast<AliESDtrack *>(track);
            if (trackESD) {
               fComputedValue =  trackESD->GetITSclusters(0);
            } else {
               fComputedValue =  ((AliAODTrack *)track)->GetITSNcls();
            }
            return kTRUE;
         } else {
            AliWarning("Cannot get n ITS clusters for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kNTPCclusters:
         if (track) {
            AliESDtrack *trackESD = dynamic_cast<AliESDtrack *>(track);
            if (trackESD) {
               fComputedValue =  trackESD->GetTPCclusters(0);
            } else {
               fComputedValue =  ((AliAODTrack *)track)->GetTPCNcls();
            }
            return kTRUE;
         } else {
            AliWarning("Cannot get n TPC clusters for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kITSchi2:
         if (track) {
            AliESDtrack *trackESD = dynamic_cast<AliESDtrack *>(track);
            if (trackESD) {
               UShort_t nClustersITS = trackESD->GetITSclusters(0);
               fComputedValue =  trackESD->GetITSchi2()/Float_t(nClustersITS);
            } else {
               fComputedValue = ((AliAODTrack *)track)->Chi2perNDF();
            }
            return kTRUE;
         } else {
            AliWarning("Cannot get ITS chi^2 for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kTPCchi2:
         if (track) {
            AliESDtrack *trackESD = dynamic_cast<AliESDtrack *>(track);
            if (trackESD) {
               UShort_t nClustersTPC = trackESD->GetTPCclusters(0);
               fComputedValue =  trackESD->GetTPCchi2()/Float_t(nClustersTPC);
            } else {
               fComputedValue = ((AliAODTrack *)track)->Chi2perNDF();
            }
            return kTRUE;
         } else {
            AliWarning("Cannot get TPC chi^2 for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kDCAXY:
         if (track) {
            AliESDtrack *trackESD = dynamic_cast<AliESDtrack *>(track);
            if (trackESD) {
               Float_t b[2], bCov[3];
               trackESD->GetImpactParameters(b, bCov);
               fComputedValue =  b[0];
            } else {
               Double_t b[2]= {-999,-999}, cov[3];
               AliAODVertex *vertex = fEvent->GetRefAOD()->GetPrimaryVertex();
               if(vertex) {
                  track->PropagateToDCA(vertex, fEvent->GetRefAOD()->GetMagneticField(),kVeryBig, b, cov);
                  fComputedValue = b[0];
               } else {
                  fComputedValue = -999;
               }
            }
            return kTRUE;
         } else {
            AliWarning("Cannot get TPC chi^2 for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kDCAZ:
         if (track) {
            AliESDtrack *trackESD = dynamic_cast<AliESDtrack *>(track);
            if (trackESD) {
               Float_t b[2], bCov[3];
               trackESD->GetImpactParameters(b, bCov);
               fComputedValue =  b[1];
            } else {
               Double_t b[2]= {-999,-999}, cov[3];
               AliAODVertex *vertex = fEvent->GetRefAOD()->GetPrimaryVertex();
               if(vertex) {
                  track->PropagateToDCA(vertex, fEvent->GetRefAOD()->GetMagneticField(),kVeryBig, b, cov);
                  fComputedValue = b[1];
               } else {
                  fComputedValue = -999;
               }

            }
            return kTRUE;
         } else {
            AliWarning("Cannot get TPC chi^2 for non-track object");
            fComputedValue = 0.0;
            return kFALSE;
         }
      case kV0DCA:
         if(v0esd) {
	   AliESDv0 *v0ESD = dynamic_cast<AliESDv0 *>(v0esd);
	   fComputedValue = v0ESD->GetD(xPrimaryVertex,yPrimaryVertex,zPrimaryVertex);
	   return kTRUE;
	 }
	 if(v0aod) {
	   AliAODv0 *v0AOD = dynamic_cast<AliAODv0 *>(v0aod);
	   fComputedValue = v0AOD->DcaV0ToPrimVertex();
	   return kTRUE;
	 }
	 else {
	  fComputedValue = -999;
	  return kFALSE;
	 }	 	 
      case kDaughterDCA:
         if(v0esd) {
	   AliESDv0 *v0ESD = dynamic_cast<AliESDv0 *>(v0esd);
	   fComputedValue = v0ESD->GetDcaV0Daughters();
	   return kTRUE;
	 }
	 if(v0aod) {
	   AliAODv0 *v0AOD = dynamic_cast<AliAODv0 *>(v0aod);
	   fComputedValue = v0AOD->DcaV0Daughters();
	   return kTRUE;
	 }
	 else {
	  fComputedValue = -999;
	  return kFALSE;
	 }
      case kCosPointAng:
         if(v0esd) {
	   AliESDv0 *v0ESD = dynamic_cast<AliESDv0 *>(v0esd);
	   fComputedValue = v0ESD->GetV0CosineOfPointingAngle();
	   return kTRUE;	 
	 }
	 if(v0aod) {
	   AliAODv0 *v0AOD = dynamic_cast<AliAODv0 *>(v0aod);
	   fComputedValue = TMath::Cos(v0AOD->OpenAngleV0());
	   return kTRUE;
	 }
	 else {
	  fComputedValue = -999;
	  return kFALSE;
	 }
      case kLambdaProtonPIDCut:
         if(v0esd) {
	   AliESDv0 *v0ESD = dynamic_cast<AliESDv0 *>(v0esd);
	   // retrieve the V0 daughters
   	   UInt_t lIdxPos      = (UInt_t) TMath::Abs(v0ESD->GetPindex());
   	   AliESDtrack *pTrack = lESDEvent->GetTrack(lIdxPos);
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kProton));
	   return kTRUE;	 
	 }
	 if(v0aod) {
	   AliAODv0 *v0AOD = dynamic_cast<AliAODv0 *>(v0aod);
	   AliAODTrack *pTrack = (AliAODTrack *) (v0AOD->GetSecondaryVtx()->GetDaughter(0));
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kProton));
	   return kTRUE;
	 }
	 else {
	  fComputedValue = -999;
	  return kFALSE;
	 }
       case kAntiLambdaAntiProtonPIDCut:
         if(v0esd) {
	   AliESDv0 *v0ESD = dynamic_cast<AliESDv0 *>(v0esd);
	   // retrieve the V0 daughters
   	   UInt_t lIdxNeg      = (UInt_t) TMath::Abs(v0ESD->GetNindex());
   	   AliESDtrack *nTrack = lESDEvent->GetTrack(lIdxNeg);
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kProton));
	   return kTRUE;	 
	 }
	 if(v0aod) {
	   AliAODv0 *v0AOD = dynamic_cast<AliAODv0 *>(v0aod);
	   AliAODTrack *nTrack = (AliAODTrack *) (v0AOD->GetSecondaryVtx()->GetDaughter(1));
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kProton));
	   return kTRUE;
	 }
	 else {
	  fComputedValue = -999;
	  return kFALSE;
	 }
      case kLambdaPionPIDCut:
         if(v0esd) {
	   AliESDv0 *v0ESD = dynamic_cast<AliESDv0 *>(v0esd);
	   // retrieve the V0 daughters
   	   UInt_t lIdxNeg      = (UInt_t) TMath::Abs(v0ESD->GetNindex());
   	   AliESDtrack *nTrack = lESDEvent->GetTrack(lIdxNeg);
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kPion));
	   return kTRUE;	 
	 }
	 if(v0aod) {
	   AliAODv0 *v0AOD = dynamic_cast<AliAODv0 *>(v0aod);
	   AliAODTrack *nTrack = (AliAODTrack *) (v0AOD->GetSecondaryVtx()->GetDaughter(1));
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kPion));
	   return kTRUE;
	 }
	 else {
	  fComputedValue = -999;
	  return kFALSE;
	 }
       case kAntiLambdaAntiPionPIDCut:
         if(v0esd) {
	   AliESDv0 *v0ESD = dynamic_cast<AliESDv0 *>(v0esd);
	   // retrieve the V0 daughters
   	   UInt_t lIdxPos      = (UInt_t) TMath::Abs(v0ESD->GetPindex());
   	   AliESDtrack *pTrack = lESDEvent->GetTrack(lIdxPos);
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kPion));
	   return kTRUE;	 
	 }
	 if(v0aod) {
	   AliAODv0 *v0AOD = dynamic_cast<AliAODv0 *>(v0aod);
	   AliAODTrack *pTrack = (AliAODTrack *) (v0AOD->GetSecondaryVtx()->GetDaughter(0));
	   AliPIDResponse *pid = fEvent->GetPIDResponse(); 
	   fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kPion));
	   return kTRUE;
	 }
	 else {
	  fComputedValue = -999;
	  return kFALSE;
	 }
	 
      
      default:
         AliError(Form("[%s] Invalid value type for this computation", GetName()));
         return kFALSE;
   }
}
Commit	Line	Data
2895972e	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, 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	// This class contains all code which is used to compute any of the values
	19	// which can be of interest within a resonance analysis. Besides the obvious
	20	// invariant mass, it allows to compute other utility values on all possible
	21	// targets, in order to allow a wide spectrum of binning and checks.
	22	// When needed, this object can also define a binning in the variable which
	23	// it is required to compute, which is used for initializing axes of output
	24	// histograms (see AliRsnFunction).
	25	// The value computation requires this object to be passed the object whose
	26	// informations will be used. This object can be of any allowed input type
	27	// (track, Daughter, event), then this class must inherit from AliRsnTarget.
	28	// Then, when value computation is attempted, a check on target type is done
	29	// and computation is successful only if expected target matches that of the
	30	// passed object.
	31	// In some cases, the value computation can require a support external object,
	32	// which must then be passed to this class. It can be of any type inheriting
	33	// from TObject.
	34	//
	35	// authors: A. Pulvirenti (alberto.pulvirenti@ct.infn.it)
	36	// M. Vala (martin.vala@cern.ch)
	37	//
	38	////////////////////////////////////////////////////////////////////////////////
	39
b63357a0	40	#include <Riostream.h>
2895972e	41	#include "AliVVertex.h"
	42	#include "AliMultiplicity.h"
	43	#include "AliESDtrackCuts.h"
	44	#include "AliESDpid.h"
	45	#include "AliAODPid.h"
	46	#include "AliCentrality.h"
	47	#include "AliESDUtils.h"
b63357a0	48	#include "AliPIDResponse.h"
2895972e	49
	50	#include "AliRsnEvent.h"
	51	#include "AliRsnDaughter.h"
	52	#include "AliRsnMother.h"
	53	#include "AliRsnDaughterDef.h"
	54	#include "AliRsnDaughterDef.h"
	55
	56	#include "AliRsnValueDaughter.h"
	57
	58	ClassImp(AliRsnValueDaughter)
	59
	60	//_____________________________________________________________________________
	61	AliRsnValueDaughter::AliRsnValueDaughter(const char *name, EType type) :
	62	AliRsnValue(name, AliRsnTarget::kDaughter),
	63	fType(type)
	64	{
	65	//
	66	// Constructor
	67	//
	68	}
	69
	70	//_____________________________________________________________________________
61f275d1	71	AliRsnValueDaughter::AliRsnValueDaughter(const AliRsnValueDaughter &copy) :
2895972e	72	AliRsnValue(copy),
	73	fType(copy.fType)
	74	{
	75	//
	76	// Copy constructor
	77	//
	78	}
	79
	80	//_____________________________________________________________________________
61f275d1	81	AliRsnValueDaughter &AliRsnValueDaughter::operator=(const AliRsnValueDaughter &copy)
2895972e	82	{
	83	//
	84	// Assignment operator.
	85	// Works like copy constructor.
	86	//
	87
	88	AliRsnValue::operator=(copy);
e6f3a909	89	if (this == &copy)
61f275d1	90	return *this;
2895972e	91	fType = copy.fType;
61f275d1	92
2895972e	93	return (*this);
	94	}
	95
	96	//_____________________________________________________________________________
61f275d1	97	const char *AliRsnValueDaughter::GetTypeName() const
2895972e	98	{
	99	//
	100	// This method returns a string to give a name to each possible
	101	// computation value.
	102	//
	103
	104	switch (fType) {
92932daf	105	case kP: return "SingleTrackPtot";
	106	case kPt: return "SingleTrackPt";
	107	case kPtpc: return "SingleTrackPtpc";
	108	case kEta: return "SingleTrackEta";
	109	case kMass: return "SingleTrackMass";
	110	case kITSsignal: return "SingleTrackITSsignal";
	111	case kTPCsignal: return "SingleTrackTPCsignal";
	112	case kTOFsignal: return "SingleTrackTOFsignal";
	113	case kTPCnsigmaPi: return "SingleTrackTPCnsigmaPion";
	114	case kTPCnsigmaK: return "SingleTrackTPCnsigmaKaon";
	115	case kTPCnsigmaP: return "SingleTrackTPCnsigmaProton";
	116	case kTOFnsigmaPi: return "SingleTrackTOFnsigmaPion";
	117	case kTOFnsigmaK: return "SingleTrackTOFnsigmaKaon";
	118	case kTOFnsigmaP: return "SingleTrackTOFnsigmaProton";
	119	case kV0DCA: return "V0DCAToPrimaryVertex";
	120	case kDaughterDCA: return "V0DaughterDCA";
	121	case kCosPointAng: return "V0CosineOfPointingAngle";
	122	case kLambdaProtonPIDCut: return "V0LambdaProtonNsigma";
	123	case kAntiLambdaAntiProtonPIDCut: return "V0AntiLambdaAntiProtonNsigma";
	124	case kLambdaPionPIDCut: return "V0LambdaPionNsigma";
	125	case kAntiLambdaAntiPionPIDCut: return "V0AntiLambdaPionNsigma";
	126	default: return "Undefined";
2895972e	127	}
	128	}
	129
	130	//_____________________________________________________________________________
	131	Bool_t AliRsnValueDaughter::Eval(TObject *object)
	132	{
	133	//
	134	// Evaluation of the required value.
	135	// Checks that the passed object is of the right type
	136	// and if this check is successful, computes the required value.
	137	// The output of the function tells if computing was successful,
	138	// and the values must be taken with GetValue().
	139	//
61f275d1	140
61f275d1	141	// coherence check, which also casts object
2895972e	142	// to AliRsnTarget data members and returns kFALSE
	143	// in case the object is NULL
	144	if (!TargetOK(object)) return kFALSE;
	145
	146	// set a reference to the mother momentum
b63357a0	147	AliVParticle *ref = fDaughter->GetRef();
b63357a0	148	AliVParticle *refMC = fDaughter->GetRefMC();
2895972e	149	AliVTrack *track = fDaughter->Ref2Vtrack();
92932daf	150	AliESDv0 *v0esd = fDaughter->Ref2ESDv0();
	151	AliAODv0 *v0aod = fDaughter->Ref2AODv0();
	152	AliESDEvent *lESDEvent = fEvent->GetRefESD();
	153
	154	Double_t xPrimaryVertex = lESDEvent->GetPrimaryVertex()->GetX();
	155	Double_t yPrimaryVertex = lESDEvent->GetPrimaryVertex()->GetY();
	156	Double_t zPrimaryVertex = lESDEvent->GetPrimaryVertex()->GetZ();
	157
b63357a0	158	if (fUseMCInfo && !refMC) {
	159	AliError("No MC");
	160	return kFALSE;
	161	}
	162	if (!fUseMCInfo && !ref) {
	163	AliError("No DATA");
	164	return kFALSE;
	165	}
61f275d1	166
2895972e	167	// compute value depending on types in the enumeration
	168	// if the type does not match any available choice, or if
	169	// the computation is not doable due to any problem
	170	// (not initialized support object, wrong values, risk of floating point errors)
	171	// the method returng kFALSE and sets the computed value to a meaningless number
	172	switch (fType) {
	173	case kP:
b63357a0	174	fComputedValue = (fUseMCInfo ? refMC->P() : ref->P());
2895972e	175	return kTRUE;
2895972e	176	case kPt:
b63357a0	177	fComputedValue = (fUseMCInfo ? refMC->Pt() : ref->Pt());
2895972e	178	return kTRUE;
2895972e	179	case kEta:
b63357a0	180	fComputedValue = (fUseMCInfo ? refMC->Eta() : ref->Eta());
2895972e	181	return kTRUE;
b154f736	182	case kMass:
e6952ec7	183	fComputedValue = (fUseMCInfo ? refMC->M() : ref->M());
b154f736	184	return kTRUE;
2895972e	185	case kPtpc:
	186	if (track) {
	187	fComputedValue = track->GetTPCmomentum();
	188	return kTRUE;
	189	} else {
	190	AliWarning("Cannot get TPC momentum for non-track object");
	191	fComputedValue = 0.0;
	192	return kFALSE;
	193	}
	194	case kITSsignal:
	195	if (track) {
	196	fComputedValue = track->GetITSsignal();
	197	return kTRUE;
	198	} else {
	199	AliWarning("Cannot get ITS signal for non-track object");
	200	fComputedValue = 0.0;
	201	return kFALSE;
	202	}
	203	case kTPCsignal:
	204	if (track) {
	205	fComputedValue = track->GetTPCsignal();
	206	return kTRUE;
	207	} else {
	208	AliWarning("Cannot get TPC signal for non-track object");
	209	fComputedValue = 0.0;
	210	return kFALSE;
	211	}
	212	case kTOFsignal:
	213	if (track) {
	214	fComputedValue = track->GetTOFsignal();
	215	return kTRUE;
	216	} else {
	217	AliWarning("Cannot get TOF signal for non-track object");
	218	fComputedValue = 0.0;
	219	return kFALSE;
	220	}
52e6652d	221	case kTPCnsigmaPi:
	222	if (track) {
	223	AliPIDResponse *pid = fEvent->GetPIDResponse();
	224	fComputedValue = pid->NumberOfSigmasTPC(track, AliPID::kPion);
	225	return kTRUE;
	226	} else {
	227	AliWarning("Cannot get TOF signal for non-track object");
	228	fComputedValue = 0.0;
	229	return kFALSE;
	230	}
	231	case kTPCnsigmaK:
	232	if (track) {
	233	AliPIDResponse *pid = fEvent->GetPIDResponse();
	234	fComputedValue = pid->NumberOfSigmasTPC(track, AliPID::kKaon);
	235	return kTRUE;
	236	} else {
	237	AliWarning("Cannot get TOF signal for non-track object");
	238	fComputedValue = 0.0;
	239	return kFALSE;
	240	}
	241	case kTPCnsigmaP:
	242	if (track) {
	243	AliPIDResponse *pid = fEvent->GetPIDResponse();
	244	fComputedValue = pid->NumberOfSigmasTPC(track, AliPID::kProton);
	245	return kTRUE;
	246	} else {
	247	AliWarning("Cannot get TOF signal for non-track object");
	248	fComputedValue = 0.0;
	249	return kFALSE;
	250	}
b63357a0	251	case kTOFnsigmaPi:
	252	if (track) {
	253	AliPIDResponse *pid = fEvent->GetPIDResponse();
	254	fComputedValue = pid->NumberOfSigmasTOF(track, AliPID::kPion);
	255	return kTRUE;
	256	} else {
	257	AliWarning("Cannot get TOF signal for non-track object");
	258	fComputedValue = 0.0;
	259	return kFALSE;
	260	}
	261	case kTOFnsigmaK:
	262	if (track) {
	263	AliPIDResponse *pid = fEvent->GetPIDResponse();
	264	fComputedValue = pid->NumberOfSigmasTOF(track, AliPID::kKaon);
	265	return kTRUE;
	266	} else {
	267	AliWarning("Cannot get TOF signal for non-track object");
	268	fComputedValue = 0.0;
	269	return kFALSE;
	270	}
	271	case kTOFnsigmaP:
	272	if (track) {
	273	AliPIDResponse *pid = fEvent->GetPIDResponse();
	274	fComputedValue = pid->NumberOfSigmasTOF(track, AliPID::kProton);
	275	return kTRUE;
	276	} else {
	277	AliWarning("Cannot get TOF signal for non-track object");
	278	fComputedValue = 0.0;
	279	return kFALSE;
	280	}
a83bcf6e	281	case kNITSclusters:
a83bcf6e	282	if (track) {
e6952ec7	283	AliESDtrack trackESD = dynamic_cast<AliESDtrack >(track);
	284	if (trackESD) {
	285	fComputedValue = trackESD->GetITSclusters(0);
	286	} else {
	287	fComputedValue = ((AliAODTrack *)track)->GetITSNcls();
	288	}
a83bcf6e	289	return kTRUE;
	290	} else {
	291	AliWarning("Cannot get n ITS clusters for non-track object");
	292	fComputedValue = 0.0;
	293	return kFALSE;
	294	}
	295	case kNTPCclusters:
	296	if (track) {
e6952ec7	297	AliESDtrack trackESD = dynamic_cast<AliESDtrack >(track);
	298	if (trackESD) {
	299	fComputedValue = trackESD->GetTPCclusters(0);
	300	} else {
	301	fComputedValue = ((AliAODTrack *)track)->GetTPCNcls();
	302	}
a83bcf6e	303	return kTRUE;
	304	} else {
	305	AliWarning("Cannot get n TPC clusters for non-track object");
	306	fComputedValue = 0.0;
	307	return kFALSE;
	308	}
	309	case kITSchi2:
	310	if (track) {
e6952ec7	311	AliESDtrack trackESD = dynamic_cast<AliESDtrack >(track);
	312	if (trackESD) {
	313	UShort_t nClustersITS = trackESD->GetITSclusters(0);
	314	fComputedValue = trackESD->GetITSchi2()/Float_t(nClustersITS);
	315	} else {
	316	fComputedValue = ((AliAODTrack *)track)->Chi2perNDF();
	317	}
a83bcf6e	318	return kTRUE;
	319	} else {
	320	AliWarning("Cannot get ITS chi^2 for non-track object");
	321	fComputedValue = 0.0;
	322	return kFALSE;
	323	}
	324	case kTPCchi2:
	325	if (track) {
e6952ec7	326	AliESDtrack trackESD = dynamic_cast<AliESDtrack >(track);
	327	if (trackESD) {
	328	UShort_t nClustersTPC = trackESD->GetTPCclusters(0);
	329	fComputedValue = trackESD->GetTPCchi2()/Float_t(nClustersTPC);
	330	} else {
	331	fComputedValue = ((AliAODTrack *)track)->Chi2perNDF();
	332	}
a83bcf6e	333	return kTRUE;
	334	} else {
	335	AliWarning("Cannot get TPC chi^2 for non-track object");
	336	fComputedValue = 0.0;
	337	return kFALSE;
	338	}
3d0e1672	339	case kDCAXY:
3d0e1672	340	if (track) {
e6952ec7	341	AliESDtrack trackESD = dynamic_cast<AliESDtrack >(track);
	342	if (trackESD) {
	343	Float_t b[2], bCov[3];
	344	trackESD->GetImpactParameters(b, bCov);
	345	fComputedValue = b[0];
	346	} else {
	347	Double_t b[2]= {-999,-999}, cov[3];
	348	AliAODVertex *vertex = fEvent->GetRefAOD()->GetPrimaryVertex();
	349	if(vertex) {
	350	track->PropagateToDCA(vertex, fEvent->GetRefAOD()->GetMagneticField(),kVeryBig, b, cov);
	351	fComputedValue = b[0];
	352	} else {
	353	fComputedValue = -999;
	354	}
	355	}
3d0e1672	356	return kTRUE;
	357	} else {
	358	AliWarning("Cannot get TPC chi^2 for non-track object");
	359	fComputedValue = 0.0;
	360	return kFALSE;
	361	}
	362	case kDCAZ:
	363	if (track) {
e6952ec7	364	AliESDtrack trackESD = dynamic_cast<AliESDtrack >(track);
	365	if (trackESD) {
	366	Float_t b[2], bCov[3];
	367	trackESD->GetImpactParameters(b, bCov);
	368	fComputedValue = b[1];
	369	} else {
	370	Double_t b[2]= {-999,-999}, cov[3];
	371	AliAODVertex *vertex = fEvent->GetRefAOD()->GetPrimaryVertex();
	372	if(vertex) {
	373	track->PropagateToDCA(vertex, fEvent->GetRefAOD()->GetMagneticField(),kVeryBig, b, cov);
	374	fComputedValue = b[1];
	375	} else {
	376	fComputedValue = -999;
	377	}
3d0e1672	378
e6952ec7	379	}
3d0e1672	380	return kTRUE;
	381	} else {
	382	AliWarning("Cannot get TPC chi^2 for non-track object");
	383	fComputedValue = 0.0;
	384	return kFALSE;
	385	}
92932daf	386	case kV0DCA:
	387	if(v0esd) {
	388	AliESDv0 v0ESD = dynamic_cast<AliESDv0 >(v0esd);
	389	fComputedValue = v0ESD->GetD(xPrimaryVertex,yPrimaryVertex,zPrimaryVertex);
	390	return kTRUE;
	391	}
	392	if(v0aod) {
	393	AliAODv0 v0AOD = dynamic_cast<AliAODv0 >(v0aod);
	394	fComputedValue = v0AOD->DcaV0ToPrimVertex();
	395	return kTRUE;
	396	}
	397	else {
	398	fComputedValue = -999;
	399	return kFALSE;
	400	}
	401	case kDaughterDCA:
	402	if(v0esd) {
	403	AliESDv0 v0ESD = dynamic_cast<AliESDv0 >(v0esd);
	404	fComputedValue = v0ESD->GetDcaV0Daughters();
	405	return kTRUE;
	406	}
	407	if(v0aod) {
	408	AliAODv0 v0AOD = dynamic_cast<AliAODv0 >(v0aod);
	409	fComputedValue = v0AOD->DcaV0Daughters();
	410	return kTRUE;
	411	}
	412	else {
	413	fComputedValue = -999;
	414	return kFALSE;
	415	}
	416	case kCosPointAng:
	417	if(v0esd) {
	418	AliESDv0 v0ESD = dynamic_cast<AliESDv0 >(v0esd);
	419	fComputedValue = v0ESD->GetV0CosineOfPointingAngle();
	420	return kTRUE;
	421	}
	422	if(v0aod) {
	423	AliAODv0 v0AOD = dynamic_cast<AliAODv0 >(v0aod);
	424	fComputedValue = TMath::Cos(v0AOD->OpenAngleV0());
	425	return kTRUE;
	426	}
	427	else {
	428	fComputedValue = -999;
	429	return kFALSE;
	430	}
	431	case kLambdaProtonPIDCut:
	432	if(v0esd) {
	433	AliESDv0 v0ESD = dynamic_cast<AliESDv0 >(v0esd);
	434	// retrieve the V0 daughters
	435	UInt_t lIdxPos = (UInt_t) TMath::Abs(v0ESD->GetPindex());
	436	AliESDtrack *pTrack = lESDEvent->GetTrack(lIdxPos);
	437	AliPIDResponse *pid = fEvent->GetPIDResponse();
	438	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kProton));
	439	return kTRUE;
	440	}
	441	if(v0aod) {
	442	AliAODv0 v0AOD = dynamic_cast<AliAODv0 >(v0aod);
	443	AliAODTrack pTrack = (AliAODTrack ) (v0AOD->GetSecondaryVtx()->GetDaughter(0));
	444	AliPIDResponse *pid = fEvent->GetPIDResponse();
	445	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kProton));
	446	return kTRUE;
	447	}
	448	else {
	449	fComputedValue = -999;
450	return kFALSE;
451	}
452	case kAntiLambdaAntiProtonPIDCut:
453	if(v0esd) {
454	AliESDv0 v0ESD = dynamic_cast<AliESDv0 >(v0esd);
455	// retrieve the V0 daughters
456	UInt_t lIdxNeg = (UInt_t) TMath::Abs(v0ESD->GetNindex());
457	AliESDtrack *nTrack = lESDEvent->GetTrack(lIdxNeg);
458	AliPIDResponse *pid = fEvent->GetPIDResponse();
459	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kProton));
460	return kTRUE;
461	}
462	if(v0aod) {
463	AliAODv0 v0AOD = dynamic_cast<AliAODv0 >(v0aod);
464	AliAODTrack nTrack = (AliAODTrack ) (v0AOD->GetSecondaryVtx()->GetDaughter(1));
465	AliPIDResponse *pid = fEvent->GetPIDResponse();
466	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kProton));
467	return kTRUE;
468	}
469	else {
470	fComputedValue = -999;
471	return kFALSE;
472	}
473	case kLambdaPionPIDCut:
474	if(v0esd) {
475	AliESDv0 v0ESD = dynamic_cast<AliESDv0 >(v0esd);
476	// retrieve the V0 daughters
477	UInt_t lIdxNeg = (UInt_t) TMath::Abs(v0ESD->GetNindex());
478	AliESDtrack *nTrack = lESDEvent->GetTrack(lIdxNeg);
479	AliPIDResponse *pid = fEvent->GetPIDResponse();
480	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kPion));
481	return kTRUE;
482	}
483	if(v0aod) {
484	AliAODv0 v0AOD = dynamic_cast<AliAODv0 >(v0aod);
485	AliAODTrack nTrack = (AliAODTrack ) (v0AOD->GetSecondaryVtx()->GetDaughter(1));
486	AliPIDResponse *pid = fEvent->GetPIDResponse();
487	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(nTrack, AliPID::kPion));
488	return kTRUE;
489	}
490	else {
491	fComputedValue = -999;
492	return kFALSE;
493	}
494	case kAntiLambdaAntiPionPIDCut:
495	if(v0esd) {
496	AliESDv0 v0ESD = dynamic_cast<AliESDv0 >(v0esd);
497	// retrieve the V0 daughters
498	UInt_t lIdxPos = (UInt_t) TMath::Abs(v0ESD->GetPindex());
499	AliESDtrack *pTrack = lESDEvent->GetTrack(lIdxPos);
500	AliPIDResponse *pid = fEvent->GetPIDResponse();
501	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kPion));
502	return kTRUE;
503	}
504	if(v0aod) {
505	AliAODv0 v0AOD = dynamic_cast<AliAODv0 >(v0aod);
506	AliAODTrack pTrack = (AliAODTrack ) (v0AOD->GetSecondaryVtx()->GetDaughter(0));
507	AliPIDResponse *pid = fEvent->GetPIDResponse();
508	fComputedValue = TMath::Abs(pid->NumberOfSigmasTPC(pTrack, AliPID::kPion));
509	return kTRUE;
510	}
511	else {
512	fComputedValue = -999;
8ddd6d70	513	return kFALSE;
92932daf	514	}
	515
	516
2895972e	517	default:
	518	AliError(Form("[%s] Invalid value type for this computation", GetName()));
	519	return kFALSE;
	520	}
	521	}