Abstract class to define Arrays of 3D points.

Definition at line 27 of file TPoints3DABC.h.

Public Member Functions
	TPoints3DABC ()

virtual	~TPoints3DABC ()

virtual Int_t	Add (Float_t x, Float_t y, Float_t z)

virtual Int_t	AddLast (Float_t x, Float_t y, Float_t z)
	Add one 3D point defined by x,y,z to the array of the points as its last element. More...

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)=0
	Computes distance from point (px,py) to the object. More...

virtual Int_t	GetLastPosition () const =0

virtual Int_t	GetN () const
	GetN() returns the number of allocated cells if any. More...

virtual Float_t *	GetP () const
	GetP() returns the pointer to the float point array of points if available The number of the available cells can be found via GetN() method. More...

virtual Float_t	GetX (Int_t idx) const =0

virtual Float_t	GetY (Int_t idx) const =0

virtual Float_t	GetZ (Int_t idx) const =0

virtual Float_t *	GetXYZ (Float_t *xyz, Int_t idx, Int_t num=1) const
	GetXYZ(Float_t *xyz,Int_t idx,Int_t num=1) fills the buffer supplied by the calling code with the points information. More...

virtual const Float_t *	GetXYZ (Int_t idx)=0

virtual Option_t *	GetOption () const =0

virtual void	PaintPoints (Int_t n, Float_t p, Option_t option="")=0

virtual Int_t	SetLastPosition (Int_t idx)=0

virtual Int_t	SetNextPoint (Float_t x, Float_t y, Float_t z)
	Add one 3D point defined by x,y,z to the array of the points as its last element. More...

virtual void	SetOption (Option_t *option="")=0

virtual Int_t	SetPoint (Int_t point, Float_t x, Float_t y, Float_t z)=0

virtual Int_t	SetPoints (Int_t n, Float_t p=0, Option_t option="")=0

virtual Int_t	Size () const =0

Public Member Functions inherited from TObject
	TObject ()

	TObject (const TObject &object)
	TObject copy ctor. More...

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

virtual	~TObject ()
	TObject destructor. More...

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

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

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

virtual void	Clear (Option_t *="")

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

virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method. More...

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

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

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

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

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current pad. More...

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

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. More...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

virtual Bool_t	IsSortable () const

Bool_t	IsOnHeap () const

Bool_t	IsZombie () const

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

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

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

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

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

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

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

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

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

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

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

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

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

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

void *	operator new (size_t sz)

void *	operator new[] (size_t sz)

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

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

void	operator delete (void *ptr)
	Operator delete. More...

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

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

void	SetBit (UInt_t f)

void	ResetBit (UInt_t f)

Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

void	InvertBit (UInt_t f)

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

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

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

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

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

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

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). More...

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

Static Public Member Functions
static Int_t	DistancetoLine (Int_t px, Int_t py, Float_t x1, Float_t y1, Float_t x2, Float_t y2, Int_t lineWidth=1)
	Compute distance from point px,py to an axis of the band defined. More...

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

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

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

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

Additional Inherited Members
Public Types inherited from TObject
enum	EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }

enum	{ kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }

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

Protected Member Functions inherited from TObject
void	MakeZombie ()

virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected). More...

#include <TPoints3DABC.h>

Inheritance diagram for TPoints3DABC:

[legend]

Constructor & Destructor Documentation

TPoints3DABC::TPoints3DABC ( )

inline

Definition at line 30 of file TPoints3DABC.h.

virtual TPoints3DABC::~TPoints3DABC ( )

inlinevirtual

Definition at line 31 of file TPoints3DABC.h.

Member Function Documentation

virtual Int_t TPoints3DABC::Add	(	Float_t	x,
		Float_t	y,
		Float_t	z
	)

virtual

Int_t TPoints3DABC::AddLast	(	Float_t	x,
		Float_t	y,
		Float_t	z
	)

virtual

Add one 3D point defined by x,y,z to the array of the points as its last element.

Definition at line 35 of file TPoints3DABC.cxx.

Int_t TPoints3DABC::DistancetoLine	(	Int_t	px,
		Int_t	py,
		Float_t	x1,
		Float_t	y1,
		Float_t	x2,
		Float_t	y2,
		Int_t	lineWidth = `1`
	)

static

Compute distance from point px,py to an axis of the band defined.

by pair points (x1,y1),(x2,y2) where lineWidth is the width of the band

Compute the closest distance of approach from point px,py to this line. The distance is computed in pixels units.

Algorithm:

  A(x1,y1)         P                             B(x2,y2)
  ------------------------------------------------
                   I
                   I
                   I
                   I
                  M(x,y)
Let us call  a = distance AM     a2=a**2
             b = distance BM     b2=b**2
             c = distance AB     c2=c**2
             d = distance PM     d2=d**2
             u = distance AP     u2=u**2
             v = distance BP     v2=v**2     c = u + v
d2 = a2 - u2
d2 = b2 - v2  = b2 -(c-u)**2
   ==> u = (a2 -b2 +c2)/2c
 Float_t x1    = gPad->XtoAbsPixel(xp1);
 Float_t y1    = gPad->YtoAbsPixel(yp1);
 Float_t x2    = gPad->XtoAbsPixel(xp2);
 Float_t y2    = gPad->YtoAbsPixel(yp2);

Definition at line 75 of file TPoints3DABC.cxx.

virtual Int_t TPoints3DABC::DistancetoPrimitive	(	Int_t	px,
		Int_t	py
	)

pure virtual

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

This member function must be implemented for each graphics primitive. This default function returns a big number (999999).

Reimplemented from TObject.

Implemented in TPoints3D, TPointsArray3D, and TTablePoints.

Referenced by TPoints3D::DistancetoPrimitive(), and TPolyLineShape::DistancetoPrimitive().

virtual Int_t TPoints3DABC::GetLastPosition ( ) const

pure virtual

Implemented in TPoints3D, TPointsArray3D, and TTablePoints.

Referenced by TPoints3D::GetLastPosition(), and SetNextPoint().

Int_t TPoints3DABC::GetN ( ) const

virtual

GetN() returns the number of allocated cells if any.

GetN() > 0 shows how many cells can be available via GetP() method. GetN() == 0 then GetP() must return 0 as well

Reimplemented in TPoints3D, TTable3Points, and TPointsArray3D.

Definition at line 119 of file TPoints3DABC.cxx.

Referenced by TPoints3D::GetN(), and TPolyLineShape::Paint3d().

virtual Option_t* TPoints3DABC::GetOption ( ) const

pure virtual

Reimplemented from TObject.

Implemented in TPoints3D, TPointsArray3D, and TTablePoints.

Referenced by TPoints3D::GetOption().

Float_t * TPoints3DABC::GetP ( ) const

virtual

GetP() returns the pointer to the float point array of points if available The number of the available cells can be found via GetN() method.

GetN() > 0 shows how many cells

Reimplemented in TPoints3D, TPointsArray3D, and TTable3Points.

Definition at line 131 of file TPoints3DABC.cxx.

Referenced by TPoints3D::GetP(), and TPolyLineShape::Paint3d().

virtual Float_t TPoints3DABC::GetX ( Int_t idx ) const

pure virtual

Implemented in TPoints3D, TPointsArray3D, TTable3Points, and TTablePoints.

Referenced by TPoints3D::GetX(), and GetXYZ().

Float_t * TPoints3DABC::GetXYZ	(	Float_t *	xyz,
		Int_t	idx,
		Int_t	num = `1`
	)		const

virtual

GetXYZ(Float_t *xyz,Int_t idx,Int_t num=1) fills the buffer supplied by the calling code with the points information.

Input parameters:

Float_t *xyz : an external user supplied floating point array.
Int_t num : the total number of the points to be copied the dimension of that array the size of the array is num*sizeof(Float_t) at least
Int_t idx : The index of the first copy to be taken.

Return: The pointer to the buffer array supplied

Reimplemented in TPoints3D, TPointsArray3D, and TTable3Points.

Definition at line 150 of file TPoints3DABC.cxx.

Referenced by TPoints3D::GetXYZ(), TPolyLineShape::PaintPoints(), TPolyLineShape::PaintPolyMarker(), TPolyLineShape::PaintX3DLine(), TPolyLineShape::PaintX3DMarker(), and TPolyLineShape::PointDistancetoPrimitive().