class AliITSVertexer3DTapan: public AliITSVertexer

           AliITSVertexer3DTapan class
   This is a class for the 3d vertex finding
    Origin: Tapan Nayak, VECC-CERN, Tapan.Nayak@cern.ch

Function Members (Methods)

public:

	AliITSVertexer3DTapan(Int_t n = 10000)
virtual	~AliITSVertexer3DTapan()
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
void	AliITSVertexer::FindMultiplicity(TTree* itsClusterTree)
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
virtual AliESDVertex*	FindVertexForCurrentEvent(TTree* cTree)
void	AliITSVertexer::FindVertices()
virtual AliESDVertex*	AliITSVertexer::GetAllVertices(Int_t& novertices) const
AliITSDetTypeRec*	AliITSVertexer::GetDetTypeRec() const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual const char*	TObject::GetIconName() const
Int_t	AliITSVertexer::GetMinTrackletsForPilup() const
AliMultiplicity*	AliVertexer::GetMultiplicity() const
virtual const char*	TObject::GetName() const
const Double_t*	AliVertexer::GetNominalCov() const
const Double_t*	AliVertexer::GetNominalPos() const
Int_t	AliITSVertexer::GetNTrackletsPileupV() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
static Float_t	AliITSVertexer::GetPipeRadius()
virtual const char*	TObject::GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
Float_t	AliITSVertexer::GetZPileupV() 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
void	AliITSVertexer::Init(TString filename)
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
virtual Bool_t	AliITSVertexer::IsModuleUsed(Int_t imod) const
Bool_t	TObject::IsOnHeap() const
Bool_t	AliITSVertexer::IsPileup() const
virtual Bool_t	TObject::IsSortable() 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)
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual void	TObject::Print(Option_t* option = "") const
virtual void	PrintStatus() const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
void	TObject::ResetBit(UInt_t f)
virtual void	AliITSVertexer::ResetVertex()
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)
void	AliITSVertexer::SetComputeMultiplicity(Bool_t opt = kTRUE)
virtual void	AliITSVertexer::SetDetTypeRec(AliITSDetTypeRec* ptr)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
void	AliITSVertexer::SetFirstEvent(Int_t ev)
void	AliITSVertexer::SetLaddersOnLayer2(Int_t ladwid = 4)
void	AliITSVertexer::SetLastEvent(Int_t ev)
void	AliITSVertexer::SetMinTrackletsForPilup(Int_t mint = 2)
static void	TObject::SetObjectStat(Bool_t stat)
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	AliITSVertexer::SetUseModule(Int_t imod, Bool_t optUse)
void	AliVertexer::SetVtxStart(AliESDVertex* vtx)
void	AliVertexer::SetVtxStart(Double_t x, Double_t y, Double_t z)
void	AliVertexer::SetVtxStartSigma(Double_t sx, Double_t sy, Double_t sz)
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
void	AliITSVertexer::WriteCurrentVertex()

protected:

void	CalculateLine(Double_t* P1, Double_t* P2, Double_t* P3, Double_t* P4, Double_t* Pa, Double_t* Pb) const
void	CalculatePhi(Float_t fx, Float_t fy, Float_t& phi)
void	CalculateVertex3d1(Double_t* pos, Float_t* cuts, Int_t& ncontr)
void	CalculateVertex3d2(Double_t* pos, Float_t* cuts, Int_t& ncontr, Double_t* sigpos)
virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
void	LoadClusters(TTree* cTree)
void	TObject::MakeZombie()

private:

	AliITSVertexer3DTapan(AliITSVertexer3DTapan&)
AliITSVertexer3DTapan&	operator=(const AliITSVertexer3DTapan&)

Data Members

public:

enum AliITSVertexer::[unnamed] {	kNSPDMod
};
enum TObject::EStatusBits {	kCanDelete
	kMustCleanup
	kObjInCanvas
	kIsReferenced
	kHasUUID
	kCannotPick
	kNoContextMenu
	kInvalidObject
};
enum TObject::[unnamed] {	kIsOnHeap
	kNotDeleted
	kZombie
	kBitMask
	kSingleKey
	kOverwrite
	kWriteDelete
};

protected:

Bool_t	AliITSVertexer::fComputeMultiplicity	flag to switch on/off tracklet calculation
AliESDVertex*	AliVertexer::fCurrentVertex	! pointer to the current vertex
AliITSDetTypeRec*	AliITSVertexer::fDetTypeRec	! pointer to DetTypeRec
Bool_t	AliITSVertexer::fIsPileup	flag for pileup
Int_t	AliITSVertexer::fLadOnLay2	(2*fLadOnLay2+1)=number of layer2 ladders
UShort_t*	AliITSVertexer::fLadders	array with layer1-layer2 ladders correspondances
Int_t	AliITSVertexer::fMinTrackletsForPilup	min. n. of tracklets for pilup definition
AliMultiplicity*	AliVertexer::fMult	! Multiplicity object
Int_t	AliITSVertexer::fNTrpuv	tracklets in pile-up vertex
Int_t	AliITSVertexer::fNoVertices	! number of vertices found
Bool_t	AliITSVertexer::fUseModule[240]	flag for enabling/disabling SPD modules
AliESDVertex*	AliITSVertexer::fVertArray	! vertices (main+pileupped)
Float_t	AliITSVertexer::fZpuv	Z of second pile-up vertex
static const Float_t	AliITSVertexer::fgkPipeRadius	beam pipe radius (cm)

private:

TArrayD	fPhi1	Phi position of cluster on layer 1 of ITS
TArrayD	fPhi2	Phi position of cluster on layer 2 of ITS
TArrayD	fX1	X position of cluster on layer 1 of ITS
TArrayD	fX2	X position of cluster on layer 2 of ITS
TArrayD	fY1	Y position of cluster on layer 1 of ITS
TArrayD	fY2	Y position of cluster on layer 2 of ITS
TArrayD	fZ1	Z position of cluster on layer 1 of ITS
TArrayD	fZ2	Z position of cluster on layer 2 of ITS
Int_t	ficlu1	Number of clusters on layer 1 of ITS
Int_t	ficlu2	Number of clusters on layer 2 of ITS

Class Charts

Inheritance Chart:

TObject

←

AliVertexer

←

AliITSVertexer

←

AliITSVertexer3DTapan

Function documentation

void LoadClusters(TTree* cTree)

This function loads the SPD clusters

AliESDVertex * FindVertexForCurrentEvent(TTree* cTree)

 This function reconstructs ....

void CalculateVertex3d1(Double_t* pos, Float_t* cuts, Int_t& ncontr)

 This function reconstructs first two steps of vertex

void CalculateVertex3d2(Double_t* pos, Float_t* cuts, Int_t& ncontr, Double_t* sigpos)

 This function reconstructs second two steps of vertex

void CalculatePhi(Float_t fx, Float_t fy, Float_t& phi)

calculates phi

void CalculateLine(Double_t* P1, Double_t* P2, Double_t* P3, Double_t* P4, Double_t* Pa, Double_t* Pb) const

calculates line

AliITSVertexer3DTapan(Int_t n = 10000)

{;}

virtual ~AliITSVertexer3DTapan()

{}

void PrintStatus() const

{}

AliITSVertexer3DTapan(AliITSVertexer3DTapan& )

AliITSVertexer3DTapan& operator=(const AliITSVertexer3DTapan& )