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class AliTRDgtuParam: public TObject


Parameters for GTU simulation

Author: J. Klein (Jochen.Klein@cern.ch)

Function Members (Methods)

public:

virtual	~AliTRDgtuParam()
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
Bool_t	DisplayZChannelMap(Int_t zchannel = -1, Int_t subch = 0) const
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
Bool_t	GenerateRecoCoefficients(Int_t trackletMask)
Int_t	GenerateZChannelMap()
Int_t	GetAki(Int_t k, Int_t i)
static Float_t	GetBinWidthdY()
static Float_t	GetBinWidthY()
static Int_t	GetBitExcessAlpha()
static Int_t	GetBitExcessY()
static Int_t	GetBitExcessYProj()
static Int_t	GetBitWidthdY()
static Int_t	GetBitWidthY()
static Int_t	GetBitWidthYProj()
Float_t	GetBki(Int_t k, Int_t i)
static Float_t	GetChamberThickness()
Int_t	GetCiAlpha(Int_t layer) const
Int_t	GetCiYProj(Int_t layer) const
Float_t	GetCki(Int_t k, Int_t i)
Int_t	GetDeltaAlpha() const
Int_t	GetDeltaY() const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
AliTRDgeometry*	GetGeo() const
virtual const char*	TObject::GetIconName() const
Float_t	GetInnerPadLength(Int_t stack, Int_t layer) const
Bool_t	GetIntersectionPoints(Int_t k, Float_t& x1, Float_t& x2)
static Bool_t	GetLimitNoTracklets()
Float_t	GetMagField() const
static Int_t	GetMaxNoTracklets()
virtual const char*	TObject::GetName() const
static Int_t	GetNLayers()
static Int_t	GetNLinks()
static Int_t	GetNRefLayers()
static Int_t	GetNZChannels()
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
Float_t	GetOuterPadLength(Int_t stack, Int_t layer) const
static Int_t	GetPt(Int_t layerMask, Int_t a, Float_t b, Float_t x1, Float_t x2, Float_t magField)
static Int_t	GetRefLayer(Int_t refLayerIdx)
virtual const char*	TObject::GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
static Bool_t	GetUseGTUconst()
static Bool_t	GetUseGTUmerge()
Float_t	GetVertexSize() const
Int_t	GetYt(Int_t stack, Int_t layer, Int_t zrow) const
Float_t	GetZrow(Int_t stack, Int_t layer, Int_t padrow) const
Int_t	GetZSubchannel(Int_t stack, Int_t layer, Int_t zchannel, Int_t zpos) 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
static AliTRDgtuParam*	Instance()
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	IsInZChannel(Int_t stack, Int_t layer, Int_t zchannel, Int_t zpos) 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)
static void	SetDeltaAlpha(Int_t da)
static void	SetDeltaY(Int_t dy)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
static void	SetLimitNoTracklets(Bool_t b)
void	SetMagField(Float_t field)
static void	SetMaxNoTracklets(Int_t max)
static void	TObject::SetObjectStat(Bool_t stat)
virtual void	TObject::SetUniqueID(UInt_t uid)
static void	SetUseGTUconst(Bool_t b)
static void	SetUseGTUmerge(Bool_t b)
void	SetVertexSize(Float_t vertexsize)
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:

	AliTRDgtuParam()
	AliTRDgtuParam(const AliTRDgtuParam& rhs)
AliTRDgtuParam&	operator=(const AliTRDgtuParam& rhs)

Data Members

public:

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

public:

static const Float_t	fgkBinWidthY	bin width for y-position
static const Float_t	fgkBinWidthdY	bin width for deflection length
static const Int_t	fgkBitExcessAlpha	excess bits for alpha
static const Int_t	fgkBitExcessY	excess bits for y-position
static const Int_t	fgkBitExcessYProj	excess bits for projected y-position
static const Int_t	fgkBitWidthY	bit width for y-position
static const Int_t	fgkBitWidthYProj	bit width for projected y-position
static const Int_t	fgkBitWidthdY	bit width for deflection length
static const Int_t	fgkFixLayer	which layer is fixed for the generation of the z-channel map
static const Int_t	fgkNLinks	No. of links
static const Int_t	fgkNRefLayers	no. of reference layers
static const Int_t	fgkNZChannels	No. of z-channels
static const Int_t	fgkPtInfinity	infinite pt as obtained when a == 0

protected:

Float_t	fAki[6]	coefficients used for the fit, calculated for the current tracklet mask
Float_t	fBki[6]	coefficients used for the fit, calculated for the current tracklet mask
Float_t	fCki[6]	coefficients used for the fit, calculated for the current tracklet mask
Int_t	fCurrTrackletMask	current tracklet mask for which the coefficients have been calculated
AliTRDgeometry*	fGeo	! pointer to the TRD geometry
Float_t	fMagField	magnetic field in T
Float_t	fVertexSize	assumed vertex size (z-dir.) for the z-channel map
Int_t	fZChannelMap[5][16][6][16]	must be changed
Int_t	fZSubChannel[5][3][6][16]	must be changed
static Int_t	fgDeltaAlpha	accepted deviation in alpha, default: 11
static Int_t	fgDeltaY	accepted deviation in y_proj, default: 9
static Bool_t	fgLimitNoTracklets	limit the number of tracklets per layer
static Int_t	fgMaxNoTracklets	max number of tracklets per layer if limited
static Int_t	fgRefLayers[3]	reference layers for track finding
static Bool_t	fgUseGTUconst	use constants as in the GTU for the calculations
static Bool_t	fgUseGTUmerge	use merge algorithm exactly as in hardware
static const Bool_t	fgZChannelMap[5][16][6][16]	z-channel tables as in GTU
static const Float_t	fgkAcoeff[32][6]	geometry constant from GTU implementation
static const Float_t	fgkInnerPadLength[6]	geometry constant from GTU implementation
static const Int_t	fgkMaskID[64]	geometry constant from GTU implementation
static const Float_t	fgkOuterPadLength[6]	geometry constant from GTU implementation
static const Float_t	fgkRadius[6]	layer radius as used in the GTU code
static const Float_t	fgkRow0Pos[6][5]	geometry constant from GTU implementation
static const Float_t	fgkThickness	drift length as used in the GTU code

Class Charts

Inheritance Chart:

TObject

←

AliTRDgtuParam

Function documentation

AliTRDgtuParam()

 default ctor

~AliTRDgtuParam()

 dtor

AliTRDgtuParam* Instance()

 get (or create) the single instance

Bool_t IsInZChannel(Int_t stack, Int_t layer, Int_t zchannel, Int_t zpos) const

Int_t GetZSubchannel(Int_t stack, Int_t layer, Int_t zchannel, Int_t zpos) const

Int_t GetRefLayer(Int_t refLayerIdx)

 returns the reference layer indexed by refLayerIdx

Int_t GenerateZChannelMap()

 generate the z-channel map
 assuming that the tracks come from the vertex
 +/- fVertexSize in z-direction

Bool_t DisplayZChannelMap(Int_t zchannel = -1, Int_t subch = 0) const

 display the z-channel map

Int_t GetCiAlpha(Int_t layer) const

 get the constant for the calculation of alpha

Int_t GetCiYProj(Int_t layer) const

 get the constant for the calculation of y_proj

Int_t GetYt(Int_t stack, Int_t layer, Int_t zrow) const

 return yt for the calculation of y'

Bool_t GenerateRecoCoefficients(Int_t trackletMask)

 calculate the coefficients for the straight line fit
 depending on the mask of contributing tracklets

Int_t GetAki(Int_t k, Int_t i)

 get A_ki for the calculation of the tracking parameters

Float_t GetBki(Int_t k, Int_t i)

 get B_ki for the calculation of the tracking parameters

Float_t GetCki(Int_t k, Int_t i)

 get B_ki for the calculation of the tracking parameters

Bool_t GetIntersectionPoints(Int_t k, Float_t& x1, Float_t& x2)

 get the x-coord. of the assumed circle/straight line intersection points

Int_t GetPt(Int_t layerMask, Int_t a, Float_t b, Float_t x1, Float_t x2, Float_t magField)

 returns 0.3 * B * 1/a (1/128 GeV/c)
 a : offset, b : slope (not used)

Int_t GetNLinks()

{ return fgkNLinks; }

Int_t GetNLayers()

{ return fgkNLinks/2; }

Int_t GetNZChannels()

{ return fgkNZChannels; }

Int_t GetNRefLayers()

{ return fgkNRefLayers; }

Float_t GetChamberThickness()

{ return 3.0; }

Float_t GetBinWidthY()

 ----- Bin widths (granularity) -----

{ return fgkBinWidthY; }

Float_t GetBinWidthdY()

{ return fgkBinWidthdY; }

Int_t GetBitWidthY()

 ----- Bit Widths (used for internal representation) -----

{ return fgkBitWidthY; }

Int_t GetBitWidthdY()

{ return fgkBitWidthdY; }

Int_t GetBitWidthYProj()

{ return fgkBitWidthYProj; }

Int_t GetBitExcessY()

{ return fgkBitExcessY; }

Int_t GetBitExcessAlpha()

{ return fgkBitExcessAlpha; }

Int_t GetBitExcessYProj()

{ return fgkBitExcessYProj; }

Float_t GetInnerPadLength(Int_t stack, Int_t layer) const

Float_t GetOuterPadLength(Int_t stack, Int_t layer) const

Float_t GetZrow(Int_t stack, Int_t layer, Int_t padrow) const

AliTRDgeometry* GetGeo() const

{ return fGeo; }

Float_t GetVertexSize() const

{ return fVertexSize; }

Int_t GetDeltaY() const

{ return fgDeltaY; }

Int_t GetDeltaAlpha() const

{ return fgDeltaAlpha; }

void SetVertexSize(Float_t vertexsize)

{ fVertexSize = vertexsize; }

void SetDeltaY(Int_t dy)

{ fgDeltaY = dy; }

void SetDeltaAlpha(Int_t da)

{ fgDeltaAlpha = da; }

void SetUseGTUconst(Bool_t b)

{ fgUseGTUconst = b; }

Bool_t GetUseGTUconst()

{ return fgUseGTUconst; }

void SetUseGTUmerge(Bool_t b)

{ fgUseGTUmerge = b; }

Bool_t GetUseGTUmerge()

{ return fgUseGTUmerge; }

void SetLimitNoTracklets(Bool_t b)

{ fgLimitNoTracklets = b; }

Bool_t GetLimitNoTracklets()

{ return fgLimitNoTracklets; }

void SetMaxNoTracklets(Int_t max)

{ fgMaxNoTracklets = max; }

Int_t GetMaxNoTracklets()

{ return fgMaxNoTracklets; }

void SetMagField(Float_t field)

  Float_t GetD(Int_t k) const;
 B-field

{ fMagField = field; }

Float_t GetMagField() const

{ return fMagField; }

AliTRDgtuParam()

AliTRDgtuParam& operator=(const AliTRDgtuParam& rhs)