A PolyMarker is defined by an array on N points in a 2-D space.

At each point x[i], y[i] a marker is drawn. Marker attributes are managed by TAttMarker. See TMarker for the list of possible marker types.

Definition at line 31 of file TPolyMarker.h.

Public Member Functions
	TPolyMarker ()
	Default constructor.

	TPolyMarker (const TPolyMarker &polymarker)
	Copy constructor.

	TPolyMarker (Int_t n, Double_t x, Double_t y, Option_t *option="")
	Constructor.

	TPolyMarker (Int_t n, Float_t x, Float_t y, Option_t *option="")
	Constructor.

	TPolyMarker (Int_t n, Option_t *option="")
	Constructor.

	~TPolyMarker () override
	Destructor.

void	Copy (TObject &polymarker) const override
	Copy this to obj.

Int_t	DistancetoPrimitive (Int_t px, Int_t py) override
	Compute distance from point px,py to a polymarker.

void	Draw (Option_t *option="") override
	Draw.

virtual void	DrawPolyMarker (Int_t n, Double_t x, Double_t y, Option_t *option="")
	Draw polymarker.

void	ExecuteEvent (Int_t event, Int_t px, Int_t py) override
	Execute action corresponding to one event.

virtual Int_t	GetLastPoint () const
	Get the index of the last filled point.

virtual Int_t	GetN () const
	Get the current capacity (reserved size) of the TPolyMarker.

Option_t *	GetOption () const override

Double_t *	GetX () const

Double_t *	GetY () const

TClass *	IsA () const override

void	ls (Option_t *option="") const override
	ls.

virtual Int_t	Merge (TCollection *list)
	Merge polymarkers in the collection in this polymarker.

void	Paint (Option_t *option="") override
	Paint.

virtual void	PaintPolyMarker (Int_t n, Double_t x, Double_t y, Option_t *option="")
	Paint polymarker.

void	Print (Option_t *option="") const override
	Print polymarker.

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

virtual Int_t	SetNextPoint (Double_t x, Double_t y)
	Set point following LastPoint to x, y.

virtual void	SetPoint (Int_t point, Double_t x, Double_t y)
	Set point number n.

virtual void	SetPolyMarker (Int_t n)
	If n <= 0 the current arrays of points are deleted.

virtual void	SetPolyMarker (Int_t n, Double_t x, Double_t y, Option_t *option="")
	If n <= 0 the current arrays of points are deleted.

virtual void	SetPolyMarker (Int_t n, Float_t x, Float_t y, Option_t *option="")
	If n <= 0 the current arrays of points are deleted.

virtual Int_t	Size () const

void	Streamer (TBuffer &) override
	Stream a class object.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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

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 with: `gROOT->SetSelectedPad(c1)`.

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=nullptr)
	Execute method on this object with the given parameter string, e.g.

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

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 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

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 (the base implementation is no-op).

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, void vp)
	Only called by placement new when throwing an exception.

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

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

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 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.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

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

Public Member Functions inherited from TAttMarker
	TAttMarker ()
	TAttMarker default constructor.

	TAttMarker (Color_t color, Style_t style, Size_t msize)
	TAttMarker normal constructor.

virtual	~TAttMarker ()
	TAttMarker destructor.

void	Copy (TAttMarker &attmarker) const
	Copy this marker attributes to a new TAttMarker.

virtual Color_t	GetMarkerColor () const
	Return the marker color.

virtual Size_t	GetMarkerSize () const
	Return the marker size.

virtual Style_t	GetMarkerStyle () const
	Return the marker style.

virtual void	Modify ()
	Change current marker attributes if necessary.

virtual void	ResetAttMarker (Option_t *toption="")
	Reset this marker attributes to the default values.

virtual void	SaveMarkerAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t sizdef=1)
	Save line attributes as C++ statement(s) on output stream out.

virtual void	SetMarkerAttributes ()
	Invoke the DialogCanvas Marker attributes.

virtual void	SetMarkerColor (Color_t mcolor=1)
	Set the marker color.

virtual void	SetMarkerColorAlpha (Color_t mcolor, Float_t malpha)
	Set a transparent marker color.

virtual void	SetMarkerSize (Size_t msize=1)
	Set the marker size.

virtual void	SetMarkerStyle (Style_t mstyle=1)
	Set the marker style.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

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.

Static Public Member Functions inherited from TAttMarker
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Width_t	GetMarkerLineWidth (Style_t style)
	Internal helper function that returns the line width of the given marker style (0 = filled marker)

static Style_t	GetMarkerStyleBase (Style_t style)
	Internal helper function that returns the corresponding marker style with line width 1 for the given style.

Protected Member Functions
TPolyMarker &	operator= (const TPolyMarker &)
	assignment operator

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
Int_t	fLastPoint {-1}
	The index of the last filled point.

Int_t	fN {0}
	Number of points internally reserved (not necessarily used)

TString	fOption
	Options.

Double_t *	fX {nullptr}
	[fN] Array of X coordinates

Double_t *	fY {nullptr}
	[fN] Array of Y coordinates

Protected Attributes inherited from TAttMarker
Color_t	fMarkerColor
	Marker color.

Size_t	fMarkerSize
	Marker size.

Style_t	fMarkerStyle
	Marker style.

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

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

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

#include <TPolyMarker.h>

Inheritance diagram for TPolyMarker:

[legend]

Constructor & Destructor Documentation

◆ TPolyMarker() [1/5]

TPolyMarker::TPolyMarker ( )

Default constructor.

Definition at line 33 of file TPolyMarker.cxx.

◆ TPolyMarker() [2/5]

TPolyMarker::TPolyMarker	(	Int_t	n,
		Option_t *	option = `""`
	)

Constructor.

Definition at line 43 of file TPolyMarker.cxx.

◆ TPolyMarker() [3/5]

TPolyMarker::TPolyMarker	(	Int_t	n,
		Float_t *	x,
		Float_t *	y,
		Option_t *	option = `""`
	)

Constructor.

Definition at line 62 of file TPolyMarker.cxx.

◆ TPolyMarker() [4/5]

TPolyMarker::TPolyMarker	(	Int_t	n,
		Double_t *	x,
		Double_t *	y,
		Option_t *	option = `""`
	)

Constructor.

Definition at line 84 of file TPolyMarker.cxx.

◆ TPolyMarker() [5/5]

TPolyMarker::TPolyMarker ( const TPolyMarker & polymarker )

Copy constructor.

Definition at line 127 of file TPolyMarker.cxx.

◆ ~TPolyMarker()

TPolyMarker::~TPolyMarker ( )

override

Destructor.

Definition at line 117 of file TPolyMarker.cxx.

Member Function Documentation

◆ Class()

static TClass * TPolyMarker::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TPolyMarker::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TPolyMarker::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 78 of file TPolyMarker.h.

◆ Copy()

void TPolyMarker::Copy ( TObject & object ) const

overridevirtual

Copy this to obj.

Reimplemented from TObject.

Definition at line 138 of file TPolyMarker.cxx.

◆ DeclFileName()

static const char * TPolyMarker::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 78 of file TPolyMarker.h.

◆ DistancetoPrimitive()

Int_t TPolyMarker::DistancetoPrimitive	(	Int_t	px,
		Int_t	py
	)

overridevirtual

Compute distance from point px,py to a polymarker.

Compute the closest distance of approach from point px,py to each point of the polymarker. Returns when the distance found is below DistanceMaximum. The distance is computed in pixels units.

Reimplemented from TObject.

Definition at line 169 of file TPolyMarker.cxx.

◆ Draw()

void TPolyMarker::Draw ( Option_t * option = "" )

overridevirtual

Draw.

Reimplemented from TObject.

Definition at line 189 of file TPolyMarker.cxx.

◆ DrawPolyMarker()

void TPolyMarker::DrawPolyMarker	(	Int_t	n,
		Double_t *	x,
		Double_t *	y,
		Option_t *	option = `""`
	)

virtual

Draw polymarker.

Definition at line 197 of file TPolyMarker.cxx.

◆ ExecuteEvent()

void TPolyMarker::ExecuteEvent	(	Int_t	event,
		Int_t	px,
		Int_t	py
	)

overridevirtual

Execute action corresponding to one event.

This member function must be implemented to realize the action corresponding to the mouse click on the object in the window

Reimplemented from TObject.

Definition at line 212 of file TPolyMarker.cxx.

◆ GetLastPoint()

virtual Int_t TPolyMarker::GetLastPoint ( ) const

inlinevirtual

Get the index of the last filled point.

Note: In case the TPolyMarker was filled in sequential order, the returned value + 1 matches the total number of points used (and is less or equal than the capacity GetN()).

Definition at line 56 of file TPolyMarker.h.

◆ GetN()

virtual Int_t TPolyMarker::GetN ( ) const

inlinevirtual

Get the current capacity (reserved size) of the TPolyMarker.

Note: In contrast to TGraph::GetN(), this does not necessarily match with the used points

Warning: Do not add points via SetPoint(pm->GetN(), x, y) as with a TGraph, use instead TPolyMarker::SetNextPoint

See also: GetLastPoint()

Definition at line 61 of file TPolyMarker.h.

◆ GetOption()

Option_t * TPolyMarker::GetOption ( ) const

inlineoverridevirtual

Reimplemented from TObject.

Definition at line 62 of file TPolyMarker.h.

◆ GetX()

Double_t * TPolyMarker::GetX ( ) const

inline

Definition at line 63 of file TPolyMarker.h.

◆ GetY()

Double_t * TPolyMarker::GetY ( ) const

inline

Definition at line 64 of file TPolyMarker.h.

◆ IsA()

TClass * TPolyMarker::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TObject.

Definition at line 78 of file TPolyMarker.h.

◆ ls()

void TPolyMarker::ls ( Option_t * option = "" ) const

overridevirtual

ls.

Reimplemented from TObject.

Definition at line 219 of file TPolyMarker.cxx.

◆ Merge()

Int_t TPolyMarker::Merge ( TCollection * list )

virtual

Merge polymarkers in the collection in this polymarker.

Definition at line 228 of file TPolyMarker.cxx.

◆ operator=()

TPolyMarker & TPolyMarker::operator= ( const TPolyMarker & pm )

protected

assignment operator

Definition at line 106 of file TPolyMarker.cxx.

◆ Paint()

void TPolyMarker::Paint ( Option_t * option = "" )

overridevirtual

Paint.

Reimplemented from TObject.

Definition at line 264 of file TPolyMarker.cxx.

◆ PaintPolyMarker()

void TPolyMarker::PaintPolyMarker	(	Int_t	n,
		Double_t *	x,
		Double_t *	y,
		Option_t *	option = `""`
	)

virtual

Paint polymarker.

Definition at line 272 of file TPolyMarker.cxx.

◆ Print()

void TPolyMarker::Print ( Option_t * option = "" ) const

overridevirtual

Print polymarker.

Reimplemented from TObject.

Definition at line 294 of file TPolyMarker.cxx.

◆ SavePrimitive()

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

overridevirtual

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

Reimplemented from TObject.

Definition at line 302 of file TPolyMarker.cxx.

◆ SetNextPoint()

Int_t TPolyMarker::SetNextPoint	(	Double_t	x,
		Double_t	y
	)

virtual

Set point following LastPoint to x, y.

Returns index of the point (new last point).

Definition at line 329 of file TPolyMarker.cxx.

◆ SetPoint()

void TPolyMarker::SetPoint	(	Int_t	n,
		Double_t	x,
		Double_t	y
	)

virtual

Set point number n.

if n is greater than the current size, the arrays are automatically extended

Definition at line 341 of file TPolyMarker.cxx.

◆ SetPolyMarker() [1/3]

void TPolyMarker::SetPolyMarker ( Int_t n )

virtual

If n <= 0 the current arrays of points are deleted.

Definition at line 371 of file TPolyMarker.cxx.

◆ SetPolyMarker() [2/3]

void TPolyMarker::SetPolyMarker	(	Int_t	n,
		Double_t *	x,
		Double_t *	y,
		Option_t *	option = `""`
	)

virtual

If n <= 0 the current arrays of points are deleted.

Definition at line 413 of file TPolyMarker.cxx.

◆ SetPolyMarker() [3/3]

void TPolyMarker::SetPolyMarker	(	Int_t	n,
		Float_t *	x,
		Float_t *	y,
		Option_t *	option = `""`
	)

virtual

If n <= 0 the current arrays of points are deleted.

Definition at line 387 of file TPolyMarker.cxx.

◆ Size()

virtual Int_t TPolyMarker::Size ( ) const

inlinevirtual

Definition at line 76 of file TPolyMarker.h.

◆ Streamer()

void TPolyMarker::Streamer ( TBuffer & R__b )

overridevirtual

Stream a class object.

Reimplemented from TObject.

Definition at line 439 of file TPolyMarker.cxx.

◆ StreamerNVirtual()

void TPolyMarker::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 78 of file TPolyMarker.h.

Member Data Documentation

◆ fLastPoint

Int_t TPolyMarker::fLastPoint {-1}

protected

The index of the last filled point.

Definition at line 34 of file TPolyMarker.h.

◆ fN

Int_t TPolyMarker::fN {0}

protected

Number of points internally reserved (not necessarily used)

Definition at line 33 of file TPolyMarker.h.

◆ fOption

TString TPolyMarker::fOption

protected

Options.

Definition at line 37 of file TPolyMarker.h.

◆ fX

Double_t* TPolyMarker::fX {nullptr}

protected

[fN] Array of X coordinates

Definition at line 35 of file TPolyMarker.h.

◆ fY

Double_t* TPolyMarker::fY {nullptr}

protected

[fN] Array of Y coordinates

Definition at line 36 of file TPolyMarker.h.

Libraries for TPolyMarker:

[legend]

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

hist/hist/inc/TPolyMarker.h
hist/hist/src/TPolyMarker.cxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TPolyMarker() [1/5]

◆ TPolyMarker() [2/5]

◆ TPolyMarker() [3/5]

◆ TPolyMarker() [4/5]

◆ TPolyMarker() [5/5]

◆ ~TPolyMarker()

Member Function Documentation

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Copy()

◆ DeclFileName()

◆ DistancetoPrimitive()

◆ Draw()

◆ DrawPolyMarker()

◆ ExecuteEvent()

◆ GetLastPoint()

◆ GetN()

◆ GetOption()

◆ GetX()

◆ GetY()

◆ IsA()

◆ ls()

◆ Merge()

◆ operator=()

◆ Paint()

◆ PaintPolyMarker()

◆ Print()

◆ SavePrimitive()

◆ SetNextPoint()

◆ SetPoint()

◆ SetPolyMarker() [1/3]

◆ SetPolyMarker() [2/3]

◆ SetPolyMarker() [3/3]

◆ Size()

◆ Streamer()

◆ StreamerNVirtual()

Member Data Documentation

◆ fLastPoint

◆ fN

◆ fOption

◆ fX

◆ fY