TGraph2DPainter paints a TGraphDelaunay using triangles or clouds of points.

Definition at line 31 of file TGraph2DPainter.h.

Public Member Functions
	TGraph2DPainter ()
	TGraph2DPainter default constructor.

	TGraph2DPainter (TGraphDelaunay *gd)
	TGraph2DPainter constructor using the old Delaunay algorithm.

	TGraph2DPainter (TGraphDelaunay2D *gd)
	TGraph2DPainter constructor using the new Delaunay algorithm.

virtual	~TGraph2DPainter ()
	TGraph2DPainter destructor.

TList *	GetContourList (Double_t contour)
	Returns the X and Y graphs building a contour.

void	Paint (Option_t *option)
	Paint a TGraphDelaunay according to the value of "option":

void	PaintContour (Option_t *option)
	Paints the 2D graph as a contour plot.

void	PaintErrors (Option_t *option)
	Paints the 2D graph as error bars.

void	PaintPolyLine (Option_t *option)
	Paints the 2D graph as PaintPolyLine.

void	PaintPolyMarker (Option_t *option)
	Paints the 2D graph as PaintPolyMarker.

void	PaintTriangles (Option_t *option)
	Paints the 2D graph as triangles.

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	Clear (Option_t *="")

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 abstract method.

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

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

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.

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

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)

Bool_t	IsDestructed () const
	IsDestructed.

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

virtual Bool_t	IsSortable () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

virtual void	ls (Option_t *option="") const
	The ls function lists the contents of a class on stdout.

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

virtual void	Print (Option_t *option="") const
	This method must be overridden when a class wants to print itself.

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.

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

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.

Protected Member Functions
void	FindTriangles ()
	Find triangles in fDelaunay and initialise the TGraph2DPainter values needed to paint triangles or find contours.

void	PaintLevels (Int_t v, Double_t x, Double_t y, Int_t nblev=0, Double_t glev=0)
	Paints one triangle.

void	PaintPolyMarker0 (Int_t n, Double_t x, Double_t y)
	Paints a circle at each vertex. Each circle background is white.

void	PaintTriangles_new (Option_t *option)
	Paints the 2D graph as triangles (new implementation)

void	PaintTriangles_old (Option_t *option)
	Paints the 2D graph as triangles (old implementation)

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
TGraphDelaunay *	fDelaunay
	! Pointer to the TGraphDelaunay2D to be painted

TGraphDelaunay2D *	fDelaunay2D
	! Pointer to the TGraphDelaunay2D to be painted

Double_t *	fEX
	! Pointer to fGraph2D->fXE

Double_t *	fEY
	! Pointer to fGraph2D->fYE

Double_t *	fEZ
	! Pointer to fGraph2D->fZE

TGraph2D *	fGraph2D
	! Pointer to the TGraph2D in fDelaunay

Int_t *	fMTried
	! Pointer to fDelaunay->fMTried

Int_t	fNdt
	! Equal to fDelaunay->fNdt

Int_t	fNpoints
	! Equal to fGraph2D->fNpoints

Int_t *	fNTried
	! Pointer to fDelaunay->fNTried

Int_t *	fPTried
	! Pointer to fDelaunay->fPTried

Double_t *	fX
	! Pointer to fGraph2D->fX

Double_t	fXmax
	! fGraph2D->fHistogram Xmax

Double_t	fXmin
	! fGraph2D->fHistogram Xmin

Double_t *	fXN
	! Pointer to fDelaunay->fXN

Double_t	fXNmax
	! Equal to fDelaunay->fXNmax

Double_t	fXNmin
	! Equal to fDelaunay->fXNmin

Double_t *	fY
	! Pointer to fGraph2D->fY

Double_t	fYmax
	! fGraph2D->fHistogram Ymax

Double_t	fYmin
	! fGraph2D->fHistogram Ymin

Double_t *	fYN
	! Pointer to fDelaunay->fYN

Double_t	fYNmax
	! Equal to fDelaunay->fYNmax

Double_t	fYNmin
	! Equal to fDelaunay->fYNmin

Double_t *	fZ
	! Pointer to fGraph2D->fZ

Double_t	fZmax
	! fGraph2D->fHistogram Zmax

Double_t	fZmin
	! fGraph2D->fHistogram Zmin

Additional Inherited Members
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 TObject
static Longptr_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) }

#include <TGraph2DPainter.h>

Inheritance diagram for TGraph2DPainter:

[legend]

Constructor & Destructor Documentation

◆ TGraph2DPainter() [1/3]

TGraph2DPainter::TGraph2DPainter ( )

TGraph2DPainter default constructor.

Definition at line 47 of file TGraph2DPainter.cxx.

◆ TGraph2DPainter() [2/3]

TGraph2DPainter::TGraph2DPainter ( TGraphDelaunay * gd )

TGraph2DPainter constructor using the old Delaunay algorithm.

Definition at line 81 of file TGraph2DPainter.cxx.

◆ TGraph2DPainter() [3/3]

TGraph2DPainter::TGraph2DPainter ( TGraphDelaunay2D * gd )

TGraph2DPainter constructor using the new Delaunay algorithm.

Definition at line 114 of file TGraph2DPainter.cxx.

◆ ~TGraph2DPainter()

TGraph2DPainter::~TGraph2DPainter ( )

virtual

TGraph2DPainter destructor.

Definition at line 148 of file TGraph2DPainter.cxx.

Member Function Documentation

◆ FindTriangles()

void TGraph2DPainter::FindTriangles ( )

protected

Find triangles in fDelaunay and initialise the TGraph2DPainter values needed to paint triangles or find contours.

Definition at line 157 of file TGraph2DPainter.cxx.

◆ GetContourList()

TList * TGraph2DPainter::GetContourList ( Double_t contour )

Returns the X and Y graphs building a contour.

A contour level may consist in several parts not connected to each other. This function finds them and returns them in a graphs' list.

Definition at line 188 of file TGraph2DPainter.cxx.

◆ Paint()

void TGraph2DPainter::Paint ( Option_t * option )

virtual

Paint a TGraphDelaunay according to the value of "option":

Option	Description
"TRI"	The Delaunay triangles are drawn using filled area. An hidden surface drawing technique is used. The surface is painted with the current fill area color. The edges of each triangles are painted with the current line color.
"TRIW"	The Delaunay triangles are drawn as wire frame.
"TRI1"	The Delaunay triangles are painted with color levels. The edges of each triangles are painted with the current line color.
"TRI2"	the Delaunay triangles are painted with color levels.
"P"	Draw a marker at each vertex.
"P0"	Draw a circle at each vertex. Each circle background is white.
"PCOL"	Draw a marker at each vertex. The color of each marker is defined according to its Z position.
"CONT"	Draw contours.
"LINE"	Draw a 3D polyline.

Reimplemented from TObject.

Definition at line 504 of file TGraph2DPainter.cxx.

◆ PaintContour()

void TGraph2DPainter::PaintContour ( Option_t * option )

Paints the 2D graph as a contour plot.

Delaunay triangles are used to compute the contours.

Definition at line 549 of file TGraph2DPainter.cxx.

◆ PaintErrors()

void TGraph2DPainter::PaintErrors ( Option_t * option )

Paints the 2D graph as error bars.

Definition at line 591 of file TGraph2DPainter.cxx.

◆ PaintLevels()

void TGraph2DPainter::PaintLevels	(	Int_t *	t,
		Double_t *	x,
		Double_t *	y,
		Int_t	nblev = `0`,
		Double_t *	glev = `0`
	)

protected

Paints one triangle.

nblev = 0 : paint the color levels
nblev != 0 : paint the grid

Definition at line 696 of file TGraph2DPainter.cxx.

◆ PaintPolyLine()

void TGraph2DPainter::PaintPolyLine ( Option_t * option )

Paints the 2D graph as PaintPolyLine.

Definition at line 990 of file TGraph2DPainter.cxx.

◆ PaintPolyMarker()

void TGraph2DPainter::PaintPolyMarker ( Option_t * option )

Paints the 2D graph as PaintPolyMarker.

Definition at line 890 of file TGraph2DPainter.cxx.

◆ PaintPolyMarker0()

void TGraph2DPainter::PaintPolyMarker0	(	Int_t	n,
		Double_t *	x,
		Double_t *	y
	)

protected

Paints a circle at each vertex. Each circle background is white.

Definition at line 1041 of file TGraph2DPainter.cxx.

◆ PaintTriangles()

void TGraph2DPainter::PaintTriangles ( Option_t * option )

Paints the 2D graph as triangles.

Definition at line 1063 of file TGraph2DPainter.cxx.

◆ PaintTriangles_new()

void TGraph2DPainter::PaintTriangles_new ( Option_t * option )

protected

Paints the 2D graph as triangles (new implementation)

Definition at line 1230 of file TGraph2DPainter.cxx.

◆ PaintTriangles_old()

void TGraph2DPainter::PaintTriangles_old ( Option_t * option )

protected

Paints the 2D graph as triangles (old implementation)

Definition at line 1075 of file TGraph2DPainter.cxx.

Member Data Documentation

◆ fDelaunay

TGraphDelaunay* TGraph2DPainter::fDelaunay

protected

! Pointer to the TGraphDelaunay2D to be painted

Definition at line 60 of file TGraph2DPainter.h.

◆ fDelaunay2D

TGraphDelaunay2D* TGraph2DPainter::fDelaunay2D

protected

! Pointer to the TGraphDelaunay2D to be painted

Definition at line 61 of file TGraph2DPainter.h.

◆ fEX

Double_t* TGraph2DPainter::fEX

protected

! Pointer to fGraph2D->fXE

Definition at line 40 of file TGraph2DPainter.h.

◆ fEY

Double_t* TGraph2DPainter::fEY

protected

! Pointer to fGraph2D->fYE

Definition at line 41 of file TGraph2DPainter.h.

◆ fEZ

Double_t* TGraph2DPainter::fEZ

protected

! Pointer to fGraph2D->fZE

Definition at line 42 of file TGraph2DPainter.h.

◆ fGraph2D

TGraph2D* TGraph2DPainter::fGraph2D

protected

! Pointer to the TGraph2D in fDelaunay

Definition at line 62 of file TGraph2DPainter.h.

◆ fMTried

Int_t* TGraph2DPainter::fMTried

protected

! Pointer to fDelaunay->fMTried

Definition at line 57 of file TGraph2DPainter.h.

◆ fNdt

Int_t TGraph2DPainter::fNdt

protected

! Equal to fDelaunay->fNdt

Definition at line 54 of file TGraph2DPainter.h.

◆ fNpoints

Int_t TGraph2DPainter::fNpoints

protected

! Equal to fGraph2D->fNpoints

Definition at line 53 of file TGraph2DPainter.h.

◆ fNTried

Int_t* TGraph2DPainter::fNTried

protected

! Pointer to fDelaunay->fNTried

Definition at line 56 of file TGraph2DPainter.h.

◆ fPTried

Int_t* TGraph2DPainter::fPTried

protected

! Pointer to fDelaunay->fPTried

Definition at line 55 of file TGraph2DPainter.h.

◆ fX

Double_t* TGraph2DPainter::fX

protected

! Pointer to fGraph2D->fX

Definition at line 35 of file TGraph2DPainter.h.

◆ fXmax

Double_t TGraph2DPainter::fXmax

protected

! fGraph2D->fHistogram Xmax

Definition at line 48 of file TGraph2DPainter.h.

◆ fXmin

Double_t TGraph2DPainter::fXmin

protected

! fGraph2D->fHistogram Xmin

Definition at line 47 of file TGraph2DPainter.h.

◆ fXN

Double_t* TGraph2DPainter::fXN

protected

! Pointer to fDelaunay->fXN

Definition at line 38 of file TGraph2DPainter.h.

◆ fXNmax

Double_t TGraph2DPainter::fXNmax

protected

! Equal to fDelaunay->fXNmax

Definition at line 44 of file TGraph2DPainter.h.

◆ fXNmin

Double_t TGraph2DPainter::fXNmin

protected

! Equal to fDelaunay->fXNmin

Definition at line 43 of file TGraph2DPainter.h.

◆ fY

Double_t* TGraph2DPainter::fY

protected

! Pointer to fGraph2D->fY

Definition at line 36 of file TGraph2DPainter.h.

◆ fYmax

Double_t TGraph2DPainter::fYmax

protected

! fGraph2D->fHistogram Ymax

Definition at line 50 of file TGraph2DPainter.h.

◆ fYmin

Double_t TGraph2DPainter::fYmin

protected

! fGraph2D->fHistogram Ymin

Definition at line 49 of file TGraph2DPainter.h.

◆ fYN

Double_t* TGraph2DPainter::fYN

protected

! Pointer to fDelaunay->fYN

Definition at line 39 of file TGraph2DPainter.h.

◆ fYNmax

Double_t TGraph2DPainter::fYNmax

protected

! Equal to fDelaunay->fYNmax

Definition at line 46 of file TGraph2DPainter.h.

◆ fYNmin

Double_t TGraph2DPainter::fYNmin

protected

! Equal to fDelaunay->fYNmin

Definition at line 45 of file TGraph2DPainter.h.

◆ fZ

Double_t* TGraph2DPainter::fZ

protected

! Pointer to fGraph2D->fZ

Definition at line 37 of file TGraph2DPainter.h.

◆ fZmax

Double_t TGraph2DPainter::fZmax

protected

! fGraph2D->fHistogram Zmax

Definition at line 52 of file TGraph2DPainter.h.

◆ fZmin

Double_t TGraph2DPainter::fZmin

protected

! fGraph2D->fHistogram Zmin

Definition at line 51 of file TGraph2DPainter.h.

Libraries for TGraph2DPainter:

[legend]

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

hist/histpainter/inc/TGraph2DPainter.h
hist/histpainter/src/TGraph2DPainter.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TGraph2DPainter() [1/3]

◆ TGraph2DPainter() [2/3]

◆ TGraph2DPainter() [3/3]

◆ ~TGraph2DPainter()

Member Function Documentation

◆ FindTriangles()

◆ GetContourList()

◆ Paint()

◆ PaintContour()

◆ PaintErrors()

◆ PaintLevels()

◆ PaintPolyLine()

◆ PaintPolyMarker()

◆ PaintPolyMarker0()

◆ PaintTriangles()

◆ PaintTriangles_new()

◆ PaintTriangles_old()

Member Data Documentation

◆ fDelaunay

◆ fDelaunay2D

◆ fEX

◆ fEY

◆ fEZ

◆ fGraph2D

◆ fMTried

◆ fNdt

◆ fNpoints

◆ fNTried

◆ fPTried

◆ fX

◆ fXmax

◆ fXmin

◆ fXN

◆ fXNmax

◆ fXNmin

◆ fY

◆ fYmax

◆ fYmin

◆ fYN

◆ fYNmax

◆ fYNmin

◆ fZ

◆ fZmax

◆ fZmin