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class AliTPCPRF2D: public TObject

AliTPCPRF2D -
Pad response function object in two dimesions
This class contains the basic functions for the
calculation of PRF according generic charge distribution
In Update function object calculate table of response function
in discrete x and y position
This table is used for interpolation od response function in any position
(function GetPRF)

Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk

Function Members (Methods)

public:

	AliTPCPRF2D()
virtual	~AliTPCPRF2D()
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	DrawDist(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20, Float_t thr = 0)
virtual void	DrawPRF(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20)
virtual void	DrawX(Float_t x1, Float_t x2, Float_t y1, Float_t y2 = 0, Int_t N = 1)
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
AliH2F*	GenerDrawDistHisto(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20, Float_t thr = 0)
AliH2F*	GenerDrawHisto(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20)
TH1F*	GenerDrawXHisto(Float_t x1, Float_t x2, Float_t y)
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual TF2*	GetGRF()
Float_t	GetGRF(Float_t xin, Float_t yin)
virtual const char*	TObject::GetIconName() 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
virtual Float_t	GetPRF(Float_t xin, Float_t yin)
virtual Float_t	GetSigmaX() const
virtual Float_t	GetSigmaY() const
virtual const char*	TObject::GetTitle() 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	TObject::IsOnHeap() 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 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	SetChargeAngle(Float_t angle)
virtual void	SetChevron(Float_t hstep, Float_t shifty, Float_t fac)
virtual void	SetChParam(Float_t width, Float_t height, Float_t hstep, Float_t shifty, Float_t fac)
virtual void	SetCosh(Float_t sigmaX, Float_t sigmaY, Float_t kNorm = 1)
virtual void	SetCurrentAngle(Float_t)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
virtual void	SetGati(Float_t K3X, Float_t K3Y, Float_t padDistance, Float_t kNorm = 1)
virtual void	SetGauss(Float_t sigmaX, Float_t sigmaY, Float_t kNorm = 1)
void	SetInterpolationType(Int_t interx, Int_t intery)
void	SetNdiv(Int_t Ndiv)
static void	TObject::SetObjectStat(Bool_t stat)
virtual void	SetPad(Float_t width, Float_t height)
virtual void	SetPadAngle(Float_t angle)
void	SetParam(TF2 *const GRF, Float_t kNorm, Float_t sigmaX = 0, Float_t sigmaY = 0)
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	SetY(Float_t y1, Float_t y2, Int_t nYdiv)
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	Update()
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	DrawComment(TPaveText* comment)
Float_t	GetPRFActiv(Float_t xin)
void	TObject::MakeZombie()
void	Update1()
virtual void	UpdateSigma()

private:

	AliTPCPRF2D(const AliTPCPRF2D& prf)
AliTPCPRF2D&	operator=(const AliTPCPRF2D&)

Data Members

public:

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

protected:

Float_t	fChargeAngle	'angle' of charge distribution refernce system to pad reference system
Float_t*	fChargeArray	[fNChargeArray]pointer to array of arrays
Float_t	fCurrentY	in reality we calculate PRF only for one fixed y
Float_t	fDStep	element step for point
Float_t	fDStepM1	! used in GetPRFActiv to make calculation faster
Float_t	fDYtoWire	! used to make PRF calculation faster in GetPRF
TF2*	fGRF	charge distribution function
Float_t	fHeightFull	height of the full pad
Float_t	fHeightS	height of the one step
Float_t	fInteg	integral of GRF on +- infinity
Int_t	fInterX	interpolation in X
Int_t	fInterY	interpolation in Y
Float_t	fK	k factor of the chewron
Float_t	fK3X	KX parameter (only for Gati parametrization)
Float_t	fK3Y	KY parameter (only for Gati parametrisation)
Float_t	fKNorm	normalisation factor of the charge integral
Float_t	fMeanX	mean X value
Float_t	fMeanY	mean Y value
Int_t	fNChargeArray	number of charge interpolation points
Int_t	fNPRF	number of interpolations point
Int_t	fNYdiv	number of wires
Int_t	fNdiv	number of division to calculate integral
Float_t	fOrigSigmaX	sigma of original distribution;
Float_t	fOrigSigmaY	sigma of original distribution;
Float_t	fPadAngle	'angle' of the pad assymetry
Float_t	fPadDistance	pad anode distnce (only for Gati parametrisation)
Float_t	fShiftY	shift of the step
Float_t	fSigmaX	sigma X of PAD response function
Float_t	fSigmaY	sigma Y of PAD response function
char	fType[5]	charge type
Float_t	fWidth	width of the pad
Float_t	fY1	position of first "virtual" vire
Float_t	fY2	position of last virtual vire
Float_t*	fcharge	!field with PRF
static const Double_t	fgkDegtoRad	numeric constant
static const Int_t	fgkNPRF	default number of division
static const Double_t	fgkSQRT12	numeric constant
Double_t	funParam[5]	parameters of used charge function

Class Charts

Inheritance Chart:

TObject

←

AliTPCPRF2D

Function documentation

AliTPCPRF2D()

default constructor for response function object

~AliTPCPRF2D()

void SetY(Float_t y1, Float_t y2, Int_t nYdiv)

set virtual line position
first and last line and number of lines

void SetPad(Float_t width, Float_t height)

set base chevron parameters

void SetChevron(Float_t hstep, Float_t shifty, Float_t fac)

set shaping of chewron parameters

void SetChParam(Float_t width, Float_t height, Float_t hstep, Float_t shifty, Float_t fac)

Float_t GetPRF(Float_t xin, Float_t yin)

function which return pad response
for the charge in distance xin
return  cubic aproximation of PRF or PRF at nearest virtual wire

Float_t GetPRFActiv(Float_t xin)

GEt response function on given charege line
return spline aproximaton

Float_t GetGRF(Float_t xin, Float_t yin)

function which returnoriginal charge distribution
this function is just normalised for fKnorm

void SetParam(TF2 *const GRF, Float_t kNorm, Float_t sigmaX = 0, Float_t sigmaY = 0)

adjust parameters of the original charge distribution
and pad size parameters

void SetGauss(Float_t sigmaX, Float_t sigmaY, Float_t kNorm = 1)

 set parameters for Gauss generic charge distribution

void SetCosh(Float_t sigmaX, Float_t sigmaY, Float_t kNorm = 1)

 set parameters for Cosh generic charge distribution

void SetGati(Float_t K3X, Float_t K3Y, Float_t padDistance, Float_t kNorm = 1)

 set parameters for Gati generic charge distribution

void Update()

update fields  with interpolated values for
PRF calculation

void Update1()

update fields  with interpolated values for
PRF calculation for given charge line

void UpdateSigma()

calulate effective sigma X and sigma y of PRF

void Streamer(TBuffer& )

 Stream an object of class AliTPCPRF2D

TH1F * GenerDrawXHisto(Float_t x1, Float_t x2, Float_t y)

gener one dimensional hist of pad response function
  at position y

AliH2F * GenerDrawHisto(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20)

gener two dimensional histogram with PRF

AliH2F * GenerDrawDistHisto(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20, Float_t thr = 0)

return histogram with distortion

void DrawX(Float_t x1, Float_t x2, Float_t y1, Float_t y2 = 0, Int_t N = 1)

draw pad response function at interval <x1,x2> at  given y position

void DrawPRF(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20)

void DrawDist(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx = 20, Int_t Ny = 20, Float_t thr = 0)

draw distortion of the COG method - for different threshold parameter

void DrawComment(TPaveText* comment)

function to write comment to picture

AliTPCPRF2D()

Float_t GetGRF(Float_t xin, Float_t yin)

return generic response function  in xin

void SetChargeAngle(Float_t angle)

axes

{fChargeAngle = angle;}

void SetCurrentAngle(Float_t )

{return;}

void SetPadAngle(Float_t angle)

{fPadAngle = angle;}

void SetInterpolationType(Int_t interx, Int_t intery)

{fInterX=interx; fInterY =intery;}

void SetNdiv(Int_t Ndiv)

{fNdiv=Ndiv;}

Float_t GetSigmaX() const

{return fSigmaX;}

Float_t GetSigmaY() const

{return fSigmaY;}