An identity transformation.

It holds no data member and returns pointers to static null translation and identity transformations for rotation and scale

Definition at line 383 of file TGeoMatrix.h.

Public Member Functions
	TGeoIdentity ()
	dummy ctor

	TGeoIdentity (const char *name)
	constructor

virtual	~TGeoIdentity ()

virtual const Double_t *	GetRotationMatrix () const

virtual const Double_t *	GetScale () const

virtual const Double_t *	GetTranslation () const

TGeoHMatrix	Inverse () const
	Return a temporary inverse of this.

virtual void	LocalToMaster (const Double_t local, Double_t master) const
	convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual void	LocalToMasterBomb (const Double_t local, Double_t master) const
	convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual void	LocalToMasterVect (const Double_t local, Double_t master) const
	convert a vector by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual TGeoMatrix *	MakeClone () const

virtual void	MasterToLocal (const Double_t master, Double_t local) const
	convert a point by multiplying its column vector (x, y, z, 1) to matrix

virtual void	MasterToLocalBomb (const Double_t master, Double_t local) const
	convert a point by multiplying its column vector (x, y, z, 1) to matrix

virtual void	MasterToLocalVect (const Double_t master, Double_t local) const
	convert a point by multiplying its column vector (x, y, z, 1) to matrix

virtual void	SavePrimitive (std::ostream &, Option_t *="")
	Save a primitive as a C++ statement(s) on output stream "out".

Public Member Functions inherited from TGeoMatrix
	TGeoMatrix ()
	dummy constructor

	TGeoMatrix (const char *name)
	Constructor.

virtual	~TGeoMatrix ()
	Destructor.

virtual Int_t	GetByteCount () const
	Get total size in bytes of this.

void	GetHomogenousMatrix (Double_t *hmat) const
	The homogenous matrix associated with the transformation is used for piling up's and visualization.

char *	GetPointerName () const
	Provide a pointer name containing uid.

Bool_t	IsCombi () const

Bool_t	IsGeneral () const

Bool_t	IsIdentity () const

Bool_t	IsOwned () const

Bool_t	IsReflection () const

Bool_t	IsRegistered () const

Bool_t	IsRotAboutZ () const
	Returns true if no rotation or the rotation is about Z axis.

Bool_t	IsRotation () const

Bool_t	IsScale () const

Bool_t	IsShared () const

Bool_t	IsTranslation () const

void	Print (Option_t *option="") const
	print the matrix in 4x4 format

virtual void	ReflectX (Bool_t leftside, Bool_t rotonly=kFALSE)
	Multiply by a reflection respect to YZ.

virtual void	ReflectY (Bool_t leftside, Bool_t rotonly=kFALSE)
	Multiply by a reflection respect to ZX.

virtual void	ReflectZ (Bool_t leftside, Bool_t rotonly=kFALSE)
	Multiply by a reflection respect to XY.

virtual void	RegisterYourself ()
	Register the matrix in the current manager, which will become the owner.

virtual void	RotateX (Double_t)

virtual void	RotateY (Double_t)

virtual void	RotateZ (Double_t)

void	SetDefaultName ()
	If no name was supplied in the ctor, the type of transformation is checked.

virtual void	SetDx (Double_t)

virtual void	SetDy (Double_t)

virtual void	SetDz (Double_t)

void	SetShared (Bool_t flag=kTRUE)

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

	TNamed (const TString &name, const TString &title)

virtual	~TNamed ()
	TNamed destructor.

virtual void	Clear (Option_t *option="")
	Set name and title to empty strings ("").

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility.

virtual Int_t	Compare (const TObject *obj) const
	Compare two TNamed objects.

virtual void	Copy (TObject &named) const
	Copy this to obj.

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.

virtual const char *	GetName () const
	Returns name of object.

virtual const char *	GetTitle () const
	Returns title of object.

virtual ULong_t	Hash () const
	Return hash value for this object.

virtual Bool_t	IsSortable () const

virtual void	ls (Option_t *option="") const
	List TNamed name and title.

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.

virtual void	SetName (const char *name)
	Set the name of the TNamed.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Delete (Option_t *option="")
	Delete this object.

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad for instance with: `gROOT->SetSelectedPad(gPad)`.

virtual void	Dump () const
	Dump contents of object on stdout.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification.

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete[] (void *ptr)
	Operator delete [].

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz)

void *	operator new[] (size_t sz, void *vp)

TObject &	operator= (const TObject &rhs)
	TObject assignment operator.

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Additional Inherited Members
Public Types inherited from TGeoMatrix
enum	EGeoTransfTypes { kGeoIdentity = 0 , kGeoShared = BIT(14) , kGeoTranslation = BIT(17) , kGeoRotation = BIT(18) , kGeoScale = BIT(19) , kGeoReflection = BIT(20) , kGeoRegistered = BIT(21) , kGeoSavePrimitive = BIT(22) , kGeoMatrixOwned = BIT(23) , kGeoCombiTrans = kGeoTranslation \| kGeoRotation , kGeoGenTrans = kGeoTranslation \| kGeoRotation \| kGeoScale , kGeoMatrixBits = kGeoShared \| kGeoGenTrans \| kGeoReflection \| kGeoRegistered \| kGeoSavePrimitive \| kGeoMatrixOwned }

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) }

enum	EDeprecatedStatusBits { kObjInCanvas = BIT(3) }

enum	EStatusBits { kCanDelete = BIT(0) , kMustCleanup = BIT(3) , kIsReferenced = BIT(4) , kHasUUID = BIT(5) , kCannotPick = BIT(6) , kNoContextMenu = BIT(8) , kInvalidObject = BIT(13) }

Static Public Member Functions inherited from TGeoMatrix
static void	Normalize (Double_t *vect)
	Normalize a vector.

Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = BIT(3) }

Protected Member Functions inherited from TGeoMatrix
	TGeoMatrix (const TGeoMatrix &other)
	copy constructor

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

#include <TGeoMatrix.h>

Inheritance diagram for TGeoIdentity:

[legend]

Constructor & Destructor Documentation

◆ TGeoIdentity() [1/2]

TGeoIdentity::TGeoIdentity ( )

dummy ctor

Definition at line 2262 of file TGeoMatrix.cxx.

◆ TGeoIdentity() [2/2]

TGeoIdentity::TGeoIdentity ( const char * name )

constructor

Definition at line 2271 of file TGeoMatrix.cxx.

◆ ~TGeoIdentity()

virtual TGeoIdentity::~TGeoIdentity ( )

inlinevirtual

Definition at line 390 of file TGeoMatrix.h.

Member Function Documentation

◆ GetRotationMatrix()

virtual const Double_t * TGeoIdentity::GetRotationMatrix ( ) const

inlinevirtual

Implements TGeoMatrix.

Definition at line 402 of file TGeoMatrix.h.

◆ GetScale()

virtual const Double_t * TGeoIdentity::GetScale ( ) const

inlinevirtual

Implements TGeoMatrix.

Definition at line 403 of file TGeoMatrix.h.

◆ GetTranslation()

virtual const Double_t * TGeoIdentity::GetTranslation ( ) const

inlinevirtual

Implements TGeoMatrix.

Definition at line 401 of file TGeoMatrix.h.

◆ Inverse()

TGeoHMatrix TGeoIdentity::Inverse ( ) const

virtual

Return a temporary inverse of this.

Implements TGeoMatrix.

Definition at line 2281 of file TGeoMatrix.cxx.

◆ LocalToMaster()

virtual void TGeoIdentity::LocalToMaster	(	const Double_t *	local,
		Double_t *	master
	)		const

inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

Reimplemented from TGeoMatrix.

Definition at line 393 of file TGeoMatrix.h.

◆ LocalToMasterBomb()

virtual void TGeoIdentity::LocalToMasterBomb	(	const Double_t *	local,
		Double_t *	master
	)		const

inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

Reimplemented from TGeoMatrix.

Definition at line 395 of file TGeoMatrix.h.

◆ LocalToMasterVect()

virtual void TGeoIdentity::LocalToMasterVect	(	const Double_t *	local,
		Double_t *	master
	)		const

inlinevirtual

convert a vector by multiplying its column vector (x, y, z, 1) to matrix inverse

Reimplemented from TGeoMatrix.

Definition at line 394 of file TGeoMatrix.h.

◆ MakeClone()

virtual TGeoMatrix * TGeoIdentity::MakeClone ( ) const

inlinevirtual

Implements TGeoMatrix.

Definition at line 396 of file TGeoMatrix.h.

◆ MasterToLocal()

virtual void TGeoIdentity::MasterToLocal	(	const Double_t *	master,
		Double_t *	local
	)		const

inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix

Reimplemented from TGeoMatrix.

Definition at line 397 of file TGeoMatrix.h.

◆ MasterToLocalBomb()

virtual void TGeoIdentity::MasterToLocalBomb	(	const Double_t *	master,
		Double_t *	local
	)		const

inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix

Reimplemented from TGeoMatrix.

Definition at line 399 of file TGeoMatrix.h.

◆ MasterToLocalVect()

virtual void TGeoIdentity::MasterToLocalVect	(	const Double_t *	master,
		Double_t *	local
	)		const

inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix

Reimplemented from TGeoMatrix.

Definition at line 398 of file TGeoMatrix.h.

◆ SavePrimitive()

virtual void TGeoIdentity::SavePrimitive	(	std::ostream &	out,
		Option_t *	option = `""`
	)

inlinevirtual

Save a primitive as a C++ statement(s) on output stream "out".

Reimplemented from TObject.

Definition at line 404 of file TGeoMatrix.h.

Libraries for TGeoIdentity:

[legend]

The documentation for this class was generated from the following files:

geom/geom/inc/TGeoMatrix.h
geom/geom/src/TGeoMatrix.cxx

Public Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TGeoIdentity() [1/2]

◆ TGeoIdentity() [2/2]

◆ ~TGeoIdentity()

Member Function Documentation

◆ GetRotationMatrix()

◆ GetScale()

◆ GetTranslation()

◆ Inverse()

◆ LocalToMaster()

◆ LocalToMasterBomb()

◆ LocalToMasterVect()

◆ MakeClone()

◆ MasterToLocal()

◆ MasterToLocalBomb()

◆ MasterToLocalVect()

◆ SavePrimitive()