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AliRoot » PWGLF » SPECTRA » NUCLEI » B2 » AliLnID

class AliLnID: public TObject

Function Members (Methods)

public:

	AliLnID()
	AliLnID(const AliLnID& other)
virtual	~AliLnID()
void	TObject::AbstractMethod(const char* method) const
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	TObject::Browse(TBrowser* b)
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	TObject::Clear(Option_t* = "")
virtual TObject*	TObject::Clone(const char* newname = "") const
virtual Int_t	TObject::Compare(const TObject* obj) const
virtual void	TObject::Copy(TObject& object) const
virtual void	TObject::Delete(Option_t* option = "")MENU
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
virtual void	TObject::Error(const char* method, const char* msgfmt) const
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
Int_t	GetBayesPID(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta) const
Double_t	GetBetaExpectedSigma(Double_t p, Double_t mass) const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual const char*	TObject::GetIconName() const
Bool_t	GetITSlikelihood(Double_t p, Double_t dEdx, Int_t nPoints, Double_t* r) const
Bool_t	GetITSmatch(Int_t pid, Double_t p, Double_t dEdx, Int_t nPoints, Double_t nSigma = 3.) const
Int_t	GetITSpid(Int_t partCode, Double_t pITS, Double_t dEdx, Double_t nPoints, Double_t nSigma = 3) const
Int_t	GetITSTPCpid(Int_t partCode, Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t nSigmaITS, Double_t pTPC, Double_t dEdxTPC, Double_t nPointsTPC, Double_t nSigmaTPC) const
Int_t	GetMaxLikelihoodPID(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta) const
virtual const char*	TObject::GetName() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
Int_t	GetPID(const TParticle* p) const
Int_t	GetPID(const AliAODMCParticle* p) const
Int_t	GetPID(Int_t pdgCode) const
Int_t	GetPID(Int_t partCode, Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta, Double_t nSigITS = 3, Double_t nSigTPC = 3, Double_t nSigTOF = 3) const
Int_t	GetPidProcedure() const
virtual const char*	TObject::GetTitle() const
Bool_t	GetTOFlikelihood(Double_t p, Double_t beta, Double_t* r) const
Bool_t	GetTOFmatch(Int_t pid, Double_t pTOF, Double_t beta, Double_t nSigma = 3.) const
Bool_t	GetTPClikelihood(Double_t p, Double_t dEdx, Int_t nPoints, Double_t* r) const
Bool_t	GetTPCmatch(Int_t pid, Double_t pTPC, Double_t dEdx, Double_t nPoints, Double_t nSigma = 3.) const
Int_t	GetTPCpid(Int_t partCode, Double_t pTPC, Double_t dEdx, Double_t nPoints, Double_t nSigma = 3) const
Int_t	GetTPCTOFpid(Int_t partCode, Double_t pTPC, Double_t dEdx, Double_t nPoints, Double_t nSigmaTPC, Double_t pTOF, Double_t beta, Double_t nSigmaTOF) const
virtual UInt_t	TObject::GetUniqueID() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TObject::Hash() const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	TObject::Inspect() constMENU
void	TObject::InvertBit(UInt_t f)
virtual TClass*	IsA() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
virtual Bool_t	TObject::IsFolder() const
Bool_t	IsITSTOFmismatch(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTOF, Double_t beta, Double_t nSigma = 5.) const
Bool_t	IsITSTPCmismatch(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t nSigma = 5.) const
Bool_t	TObject::IsOnHeap() const
virtual Bool_t	TObject::IsSortable() const
Bool_t	IsTPCTOFmismatch(Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta, Double_t nSigma = 5.) const
Bool_t	TObject::IsZombie() const
virtual void	TObject::ls(Option_t* option = "") const
void	TObject::MayNotUse(const char* method) const
virtual Bool_t	TObject::Notify()
void	TObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
static void	TObject::operator delete(void* ptr)
static void	TObject::operator delete(void* ptr, void* vp)
static void	TObject::operator delete[](void* ptr)
static void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
AliLnID&	operator=(const AliLnID& other)
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual void	TObject::Print(Option_t* option = "") const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
void	SetITSBetheBlochParams(const Double_t* param, Double_t res = 0.13)
static void	TObject::SetObjectStat(Bool_t stat)
void	SetPidProcedure(Int_t proc)
void	SetPriorProbabilities(const Double_t* prob)
void	SetPriorProbabilities(Double_t e, Double_t mu, Double_t pi, Double_t k, Double_t p, Double_t d, Double_t t, Double_t he3, Double_t alpha)
void	SetTPCBetheBlochParams(const Double_t* param, Double_t mip = 1., Double_t res = 0.06)
void	SetTPCBetheBlochParams(Double_t c0, Double_t c1, Double_t c2, Double_t c3, Double_t c4, Double_t mip = 1., Double_t res = 0.06)
void	SetTPCChargeCorrection(Double_t zexp)
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	ShowMembers(TMemberInspector&)
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
virtual void	TObject::UseCurrentStyle()
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const

protected:

virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
void	TObject::MakeZombie()

private:

Double_t	Beta(Double_t p, Double_t m) const
Int_t	GetIndexOfMaxValue(const Double_t* w) const
Bool_t	GetLikelihood(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta, Double_t* r) const

Data Members

public:

enum {	kSPECIES
	kBayes
	kMaxLikelihood
	kITS
	kTPC
	kITSTPC
	kTPCTOF
};
enum TObject::EStatusBits {	kCanDelete
	kMustCleanup
	kObjInCanvas
	kIsReferenced
	kHasUUID
	kCannotPick
	kNoContextMenu
	kInvalidObject
};
enum TObject::[unnamed] {	kIsOnHeap
	kNotDeleted
	kZombie
	kBitMask
	kSingleKey
	kOverwrite
	kWriteDelete
};

private:

AliITSPIDResponse*	fITSpid	ITS likelihood
Int_t	fPidProcedure	PID procedure code
Double_t	fPrior[9]	prior probabilities
Double_t	fRange	number of sigmas to the expected values
AliPID::EParticleType	fSpecies[9]	particle species known by the pid
AliTPCPIDResponse*	fTPCpid	TPC likelihood
Double_t	fZexp	TPC BB charge dependence

Class Charts

Inheritance Chart:

TObject

←

AliLnID

Function documentation

AliLnID()

 Default constructor

AliLnID(const AliLnID& other)

 Copy constructor

AliLnID& operator=(const AliLnID& other)

 Assignment operator

void SetPriorProbabilities(Double_t e, Double_t mu, Double_t pi, Double_t k, Double_t p, Double_t d, Double_t t, Double_t he3, Double_t alpha)

 Set prior probabilities

void SetPriorProbabilities(const Double_t* prob)

 Set prior probabilities

void SetITSBetheBlochParams(const Double_t* param, Double_t res = 0.13)

 Set ALEPH Bethe Bloch parameters for ITS

void SetTPCBetheBlochParams(const Double_t* param, Double_t mip = 1., Double_t res = 0.06)

 Set ALEPH Bethe Bloch parameters for TPC

void SetTPCBetheBlochParams(Double_t c0, Double_t c1, Double_t c2, Double_t c3, Double_t c4, Double_t mip = 1., Double_t res = 0.06)

 Set ALEPH Bethe Bloch parameters for TPC

~AliLnID()

 Default destructor

Int_t GetPID(const TParticle* p) const

 Montecarlo PID

Int_t GetPID(const AliAODMCParticle* p) const

 Montecarlo PID

Int_t GetPID(Int_t pdgCode) const

 Montecarlo PID

Int_t GetPID(Int_t partCode, Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta, Double_t nSigITS = 3, Double_t nSigTPC = 3, Double_t nSigTOF = 3) const

 PID according to the selected procedure

Int_t GetITSpid(Int_t partCode, Double_t pITS, Double_t dEdx, Double_t nPoints, Double_t nSigma = 3) const

 Check if particle with the given pid code is within
 +/- nSigma around the expected dEdx in the ITS

Int_t GetTPCpid(Int_t partCode, Double_t pTPC, Double_t dEdx, Double_t nPoints, Double_t nSigma = 3) const

 Check if particle with the given pid code is within
 +/- nSigma around the expected dEdx in the TPC

Int_t GetTPCTOFpid(Int_t partCode, Double_t pTPC, Double_t dEdx, Double_t nPoints, Double_t nSigmaTPC, Double_t pTOF, Double_t beta, Double_t nSigmaTOF) const

 Check if particle with the given pid code is within
 +/- nSigmaTPC around the expected dEdx in the TPC
 AND +/- nSigmaTOF around the expected beta in the TOF (when available)

Int_t GetITSTPCpid(Int_t partCode, Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t nSigmaITS, Double_t pTPC, Double_t dEdxTPC, Double_t nPointsTPC, Double_t nSigmaTPC) const

 Check if particle with the given pid code is within
 +/- nSigmaITS around the expected dEdx in the ITS
 AND +/- nSigmaTPC around the expected dEdx in the TPC

Int_t GetIndexOfMaxValue(const Double_t* w) const

 Index with maximum value in the array of size kSPECIES

Bool_t GetLikelihood(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta, Double_t* r) const

 Fill r array with the combined likelihood for ITS, TPC and TOF when possible
 return 1 if success

Int_t GetMaxLikelihoodPID(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta) const

 Maximum likelihood principle

Int_t GetBayesPID(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta) const

 Bayesian inference

Bool_t GetITSlikelihood(Double_t p, Double_t dEdx, Int_t nPoints, Double_t* r) const

 Probability of dEdx in the ITS for each particle species.
 Adapted from STEER/ESD/AliESDpid.cxx
 (truncated mean method)

Bool_t GetTPClikelihood(Double_t p, Double_t dEdx, Int_t nPoints, Double_t* r) const

 Probability of dEdx for each particle species in the TPC.
 Adapted from STEER/ESD/AliESDpid.cxx

Bool_t GetTOFlikelihood(Double_t p, Double_t beta, Double_t* r) const

 Probability of beta for each particle species

Double_t Beta(Double_t p, Double_t m) const

 Expected beta for mass hypothesis m

Double_t GetBetaExpectedSigma(Double_t p, Double_t mass) const

 Expected sigma for the given mass hypothesis

Bool_t GetITSmatch(Int_t pid, Double_t p, Double_t dEdx, Int_t nPoints, Double_t nSigma = 3.) const

 Check if the signal is less than nSigma from the expected ITS dEdx

Bool_t GetTPCmatch(Int_t pid, Double_t pTPC, Double_t dEdx, Double_t nPoints, Double_t nSigma = 3.) const

 Check if the signal is less than nSigma from the expected TPC dEdx

Bool_t GetTOFmatch(Int_t pid, Double_t pTOF, Double_t beta, Double_t nSigma = 3.) const

 Check if the signal is less than nSigma from the expected velocity

Bool_t IsITSTPCmismatch(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t nSigma = 5.) const

 Check track TPC mismatch with ITS

Bool_t IsITSTOFmismatch(Double_t pITS, Double_t dEdxITS, Int_t nPointsITS, Double_t pTOF, Double_t beta, Double_t nSigma = 5.) const

 Check track TOF mismatch with ITS

Bool_t IsTPCTOFmismatch(Double_t pTPC, Double_t dEdxTPC, Int_t nPointsTPC, Double_t pTOF, Double_t beta, Double_t nSigma = 5.) const

 Check track TOF mismatch with TPC

Int_t GetPidProcedure() const

{ return fPidProcedure; }

void SetPidProcedure(Int_t proc)

{ fPidProcedure = proc; }

void SetTPCChargeCorrection(Double_t zexp)

{ fZexp = zexp; }