Definition at line 31 of file TGeoPolygon.h.

Public Types
enum	{ kGeoConvex = BIT(9), kGeoFinishPolygon = BIT(10), kGeoACW = BIT(11) }

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) }

Public Member Functions
	TGeoPolygon ()

	TGeoPolygon (Int_t nvert)
	Default constructor. More...

virtual	~TGeoPolygon ()
	Destructor. More...

Double_t	Area () const
	Computes area of the polygon in [length^2]. More...

Bool_t	Contains (const Double_t *point) const
	Check if a point given by X = point[0], Y = point[1] is inside the polygon. More...

virtual void	Draw (Option_t *option="")
	Draw the polygon. More...

void	FinishPolygon ()
	Decompose polygon in a convex outscribed part and a list of daughter polygons that have to be substracted to get the actual one. More...

Int_t	GetNvert () const

Int_t	GetNconvex () const

Double_t *	GetX ()

Double_t *	GetY ()

void	GetVertices (Double_t x, Double_t y) const
	Fill list of vertices into provided arrays. More...

void	GetConvexVertices (Double_t x, Double_t y) const
	Fill list of vertices of the convex outscribed polygon into provided arrays. More...

Bool_t	IsClockwise () const

Bool_t	IsConvex () const

Bool_t	IsFinished () const

Bool_t	IsIllegalCheck () const
	Check for illegal crossings between non-consecutive segments. More...

Double_t	Safety (const Double_t *point, Int_t &isegment) const
	Compute minimum distance from POINT to any segment. Returns segment index. More...

void	SetConvex (Bool_t flag=kTRUE)

void	SetXY (Double_t x, Double_t y)
	Set X/Y array pointer for the polygon and daughters. More...

void	SetNextIndex (Int_t index=-1)
	Sets the next polygone index. More...

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 Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object. 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 Option_t *	GetOption () const

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...

Protected Attributes
Int_t	fNvert

Int_t	fNconvex

Int_t *	fInd

Int_t *	fIndc

Double_t *	fX

Double_t *	fY
	pointer to list of current X coordinates of vertices More...

TObjArray *	fDaughters
	pointer to list of current Y coordinates of vertices More...

Private Member Functions
void	ConvexCheck ()
	Check polygon convexity. More...

Bool_t	IsSegConvex (Int_t i1, Int_t i2=-1) const
	Check if a segment [0..fNvert-1] belongs to the outscribed convex pgon. More...

Bool_t	IsRightSided (const Double_t *point, Int_t ind1, Int_t ind2) const
	Check if POINT is right-sided with respect to the segment defined by IND1 and IND2. More...

void	OutscribedConvex ()
	Compute indices for the outscribed convex polygon. More...

Additional Inherited Members
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...

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 <TGeoPolygon.h>

Inheritance diagram for TGeoPolygon:

Collaboration diagram for TGeoPolygon:

Member Enumeration Documentation

anonymous enum

Enumerator
kGeoConvex
kGeoFinishPolygon
kGeoACW

Definition at line 34 of file TGeoPolygon.h.

Constructor & Destructor Documentation

TGeoPolygon::TGeoPolygon ( )

Referenced by FinishPolygon().

TGeoPolygon::TGeoPolygon ( Int_t nvert )

Default constructor.

Definition at line 72 of file TGeoPolygon.cxx.

TGeoPolygon::~TGeoPolygon ( )

virtual

Destructor.

Definition at line 93 of file TGeoPolygon.cxx.

Member Function Documentation

Double_t TGeoPolygon::Area ( ) const

Computes area of the polygon in [length^2].

Definition at line 105 of file TGeoPolygon.cxx.

Referenced by TGeoXtru::Capacity().

Bool_t TGeoPolygon::Contains ( const Double_t * point ) const

Check if a point given by X = point[0], Y = point[1] is inside the polygon.

Definition at line 121 of file TGeoPolygon.cxx.

Referenced by Contains(), TGeoXtru::Contains(), TGeoXtru::DistFromInside(), TGeoXtru::DistFromOutside(), TGeoXtru::DistToPlane(), and TGeoXtru::SafetyToSector().

void TGeoPolygon::ConvexCheck ( )

private

Check polygon convexity.

Definition at line 139 of file TGeoPolygon.cxx.

Referenced by FinishPolygon().

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

virtual

Draw the polygon.

Reimplemented from TObject.

Definition at line 160 of file TGeoPolygon.cxx.

Referenced by TGeoXtru::DrawPolygon().

void TGeoPolygon::FinishPolygon ( )

Decompose polygon in a convex outscribed part and a list of daughter polygons that have to be substracted to get the actual one.

Definition at line 170 of file TGeoPolygon.cxx.

Referenced by TGeoXtru::CreateThreadData(), and FinishPolygon().

void TGeoPolygon::GetConvexVertices	(	Double_t *	x,
		Double_t *	y
	)		const

Fill list of vertices of the convex outscribed polygon into provided arrays.

Definition at line 230 of file TGeoPolygon.cxx.

Referenced by TGeoPainter::DrawPolygon().

Int_t TGeoPolygon::GetNconvex ( ) const

inline

Definition at line 65 of file TGeoPolygon.h.

Referenced by TGeoPainter::DrawPolygon().

Int_t TGeoPolygon::GetNvert ( ) const

inline

Definition at line 64 of file TGeoPolygon.h.

Referenced by TGeoPainter::DrawPolygon().

void TGeoPolygon::GetVertices	(	Double_t *	x,
		Double_t *	y
	)		const

Fill list of vertices into provided arrays.

Definition at line 221 of file TGeoPolygon.cxx.

Referenced by TGeoPainter::DrawPolygon().

Double_t* TGeoPolygon::GetX ( )

inline

Definition at line 66 of file TGeoPolygon.h.

Double_t* TGeoPolygon::GetY ( )

inline

Definition at line 67 of file TGeoPolygon.h.

Bool_t TGeoPolygon::IsClockwise ( ) const

inline

Definition at line 70 of file TGeoPolygon.h.

Referenced by TGeoXtru::GetPlaneVertices(), IsRightSided(), and TGeoXtru::SetPoints().

Bool_t TGeoPolygon::IsConvex ( ) const

inline

Definition at line 71 of file TGeoPolygon.h.

Referenced by TGeoXtru::DistFromInside(), TGeoXtru::DistFromOutside(), TGeoPainter::DrawPolygon(), and FinishPolygon().

Bool_t TGeoPolygon::IsFinished ( ) const

inline

Definition at line 72 of file TGeoPolygon.h.

Bool_t TGeoPolygon::IsIllegalCheck ( ) const

Check for illegal crossings between non-consecutive segments.

Definition at line 269 of file TGeoPolygon.cxx.

Referenced by TGeoXtru::CreateThreadData().

Bool_t TGeoPolygon::IsRightSided	(	const Double_t *	point,
		Int_t	ind1,
		Int_t	ind2
	)		const

private

Check if POINT is right-sided with respect to the segment defined by IND1 and IND2.

Definition at line 241 of file TGeoPolygon.cxx.

Referenced by Contains(), ConvexCheck(), and IsSegConvex().

Bool_t TGeoPolygon::IsSegConvex	(	Int_t	i1,
		Int_t	i2 = `-1`
	)		const

private

Check if a segment [0..fNvert-1] belongs to the outscribed convex pgon.

Definition at line 253 of file TGeoPolygon.cxx.

Referenced by OutscribedConvex().

void TGeoPolygon::OutscribedConvex ( )

private

Compute indices for the outscribed convex polygon.

Definition at line 299 of file TGeoPolygon.cxx.

Referenced by FinishPolygon().

Double_t TGeoPolygon::Safety	(	const Double_t *	point,
		Int_t &	isegment
	)		const

Compute minimum distance from POINT to any segment. Returns segment index.

Definition at line 348 of file TGeoPolygon.cxx.

Referenced by TGeoXtru::SafetyToSector().

void TGeoPolygon::SetConvex ( Bool_t flag = kTRUE )

inline

Definition at line 75 of file TGeoPolygon.h.

Referenced by ConvexCheck(), and TGeoPolygon().

void TGeoPolygon::SetNextIndex ( Int_t index = -1 )

Sets the next polygone index.

If index<0 sets all indices consecutive in increasing order.

Definition at line 406 of file TGeoPolygon.cxx.

Referenced by FinishPolygon(), and TGeoPolygon().

void TGeoPolygon::SetXY	(	Double_t *	x,
		Double_t *	y
	)

Set X/Y array pointer for the polygon and daughters.

Definition at line 430 of file TGeoPolygon.cxx.

Referenced by TGeoXtru::CreateThreadData(), FinishPolygon(), and SetXY().

Member Data Documentation

TObjArray* TGeoPolygon::fDaughters

protected

pointer to list of current Y coordinates of vertices

Definition at line 47 of file TGeoPolygon.h.

Referenced by Contains(), FinishPolygon(), SetXY(), TGeoPolygon(), and ~TGeoPolygon().

Int_t* TGeoPolygon::fInd

protected

Definition at line 43 of file TGeoPolygon.h.

Referenced by Area(), ConvexCheck(), FinishPolygon(), IsSegConvex(), SetNextIndex(), SetXY(), TGeoPolygon(), and ~TGeoPolygon().

Int_t* TGeoPolygon::fIndc

protected

Definition at line 44 of file TGeoPolygon.h.

Referenced by Contains(), FinishPolygon(), GetConvexVertices(), OutscribedConvex(), TGeoPolygon(), and ~TGeoPolygon().

Int_t TGeoPolygon::fNconvex

protected

Definition at line 42 of file TGeoPolygon.h.

Referenced by Contains(), FinishPolygon(), GetConvexVertices(), GetNconvex(), OutscribedConvex(), SetNextIndex(), and TGeoPolygon().

Int_t TGeoPolygon::fNvert

protected

Definition at line 41 of file TGeoPolygon.h.

Referenced by Area(), ConvexCheck(), FinishPolygon(), GetNvert(), GetVertices(), IsIllegalCheck(), IsSegConvex(), OutscribedConvex(), Safety(), SetNextIndex(), SetXY(), and TGeoPolygon().

Double_t* TGeoPolygon::fX

protected

Definition at line 45 of file TGeoPolygon.h.

Referenced by Area(), ConvexCheck(), FinishPolygon(), GetConvexVertices(), GetVertices(), GetX(), IsIllegalCheck(), IsRightSided(), IsSegConvex(), Safety(), SetNextIndex(), SetXY(), and TGeoPolygon().

Double_t* TGeoPolygon::fY

protected

pointer to list of current X coordinates of vertices

Definition at line 46 of file TGeoPolygon.h.

Referenced by Area(), ConvexCheck(), FinishPolygon(), GetConvexVertices(), GetVertices(), GetY(), IsIllegalCheck(), IsRightSided(), IsSegConvex(), Safety(), SetNextIndex(), SetXY(), and TGeoPolygon().

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

geom/geom/inc/TGeoPolygon.h
geom/geom/src/TGeoPolygon.cxx

Public Types

Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation