AliMUONPolygon Class Reference

A planar polygon. More...

#include <AliMUONPolygon.h>

Inheritance diagram for AliMUONPolygon:

Public Member Functions
	AliMUONPolygon (Int_t nvertices=5)
	AliMUONPolygon (Double_t xpos, Double_t ypos, Double_t halfsizex, Double_t halfsizey)
	AliMUONPolygon (const AliMUONPolygon &rhs)
AliMUONPolygon &	operator= (const AliMUONPolygon &rhs)
virtual	~AliMUONPolygon ()
virtual TObject *	Clone (const char *="") const
	Create a full copy of this object. More...
Bool_t	Contains (Double_t x, Double_t y) const
Double_t	SignedArea () const
Bool_t	IsCounterClockwiseOriented () const
	Whether this polygon is oriented counter clockwise. More...
void	ReverseOrientation ()
void	SetVertex (Int_t i, Double_t x, Double_t y)
Double_t	X (Int_t i) const
	Return the x-coordinate of the i-th vertex. More...
Double_t	Y (Int_t i) const
	Return the y-coordinate of the i-th vertex. More...
Int_t	NumberOfVertices () const
	Get the number of vertices of this polygon. More...
void	Print (Option_t *opt="") const
void	Close ()

Private Attributes
Int_t	fN
	Number of vertices. More...
Double_t *	fX
	Vertices x coordinates. More...
Double_t *	fY
	Vertices y coordinates. More...

Detailed Description

A planar polygon.

A simple planar polygon, with a given orientation

Author

Laurent Aphecetche, Subatech

Definition at line 19 of file AliMUONPolygon.h.

Constructor & Destructor Documentation

AliMUONPolygon::AliMUONPolygon

(

Int_t

nvertices = 5

)

Ctor with a predefined number of vertices.

Definition at line 37 of file AliMUONPolygon.cxx.

Referenced by Clone().

AliMUONPolygon::AliMUONPolygon	(	Double_t	xpos,
		Double_t	ypos,
		Double_t	halfsizex,
		Double_t	halfsizey
	)

Ctor. Polygon will be a rectangle.

Definition at line 47 of file AliMUONPolygon.cxx.

AliMUONPolygon::AliMUONPolygon

(

const AliMUONPolygon &

rhs

)

Copy constructor.

Definition at line 79 of file AliMUONPolygon.cxx.

AliMUONPolygon::~AliMUONPolygon ( )

virtual

dtor

Definition at line 71 of file AliMUONPolygon.cxx.

Member Function Documentation

virtual TObject* AliMUONPolygon::Clone ( const char *  = "" ) const

inlinevirtual

Create a full copy of this object.

Definition at line 29 of file AliMUONPolygon.h.

Referenced by AliMUONContour::Copy().

void AliMUONPolygon::Close

(

)

Make that last point = first point

Definition at line 149 of file AliMUONPolygon.cxx.

Referenced by AliMUONPolygon(), and NumberOfVertices().

Bool_t AliMUONPolygon::Contains	(	Double_t	x,
		Double_t	y
	)		const

Whether the polygon contains point (x,y)

Definition at line 137 of file AliMUONPolygon.cxx.

Referenced by Clone(), and AliMUONContour::IsInside().

Bool_t AliMUONPolygon::IsCounterClockwiseOriented ( ) const

inline

Whether this polygon is oriented counter clockwise.

Definition at line 36 of file AliMUONPolygon.h.

Referenced by AliMUONContour::AssertOrientation(), and AliMUONContourMaker::CreateContour().

Int_t AliMUONPolygon::NumberOfVertices ( ) const

inline

Get the number of vertices of this polygon.

Definition at line 49 of file AliMUONPolygon.h.

Referenced by AliMUONContour::Add(), AliMUONContour::AliMUONContour(), AliMUONContourMaker::GetVerticalEdges(), AliMUONContour::Offset(), AliMUONContourPainter::Paint(), AliMUONContourMakerTest::Plot(), Print(), SignedArea(), and AliMUONContour::Transform().

AliMUONPolygon & AliMUONPolygon::operator=

(

const AliMUONPolygon &

rhs

)

Assignment operator

Definition at line 104 of file AliMUONPolygon.cxx.

void AliMUONPolygon::Print

(

Option_t *

opt = ""

)

const

Printout

Definition at line 157 of file AliMUONPolygon.cxx.

Referenced by NumberOfVertices(), and AliMUONContour::Print().

void AliMUONPolygon::ReverseOrientation

(

)

Reverse the orientation of this polygon

Definition at line 187 of file AliMUONPolygon.cxx.

Referenced by AliMUONContour::AssertOrientation(), and IsCounterClockwiseOriented().

void AliMUONPolygon::SetVertex	(	Int_t	i,
		Double_t	x,
		Double_t	y
	)

Set one vertex

Definition at line 208 of file AliMUONPolygon.cxx.

Referenced by AliMUONPolygon(), Close(), IsCounterClockwiseOriented(), AliMUONContour::Offset(), and AliMUONContour::Transform().

Double_t AliMUONPolygon::SignedArea

(

)

const

Compute the signed area of this polygon Algorithm from F. Feito, J.C. Torres and A. Urena, Comput. & Graphics, Vol. 19, pp. 595-600, 1995

Definition at line 169 of file AliMUONPolygon.cxx.

Referenced by Clone(), IsCounterClockwiseOriented(), and Print().

Double_t AliMUONPolygon::X ( Int_t  i ) const

inline

Return the x-coordinate of the i-th vertex.

Definition at line 43 of file AliMUONPolygon.h.

Referenced by AliMUONContour::Add(), Close(), AliMUONContourMaker::GetVerticalEdges(), AliMUONContour::Offset(), AliMUONContourMakerTest::Plot(), Print(), ReverseOrientation(), SignedArea(), and AliMUONContour::Transform().

Double_t AliMUONPolygon::Y ( Int_t  i ) const

inline

Return the y-coordinate of the i-th vertex.

Definition at line 46 of file AliMUONPolygon.h.

Referenced by AliMUONContour::Add(), Close(), AliMUONContourMaker::GetVerticalEdges(), AliMUONContour::Offset(), AliMUONContourMakerTest::Plot(), Print(), ReverseOrientation(), SignedArea(), and AliMUONContour::Transform().

Member Data Documentation

Int_t AliMUONPolygon::fN

private

Number of vertices.

Definition at line 56 of file AliMUONPolygon.h.

Referenced by AliMUONPolygon(), Close(), Contains(), NumberOfVertices(), operator=(), ReverseOrientation(), and SetVertex().

Double_t* AliMUONPolygon::fX

private

Vertices x coordinates.

Definition at line 59 of file AliMUONPolygon.h.

Referenced by AliMUONPolygon(), Contains(), operator=(), ReverseOrientation(), SetVertex(), X(), and ~AliMUONPolygon().

Double_t* AliMUONPolygon::fY

private

Vertices y coordinates.

Definition at line 62 of file AliMUONPolygon.h.

Referenced by AliMUONPolygon(), Contains(), operator=(), ReverseOrientation(), SetVertex(), Y(), and ~AliMUONPolygon().

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

• MUON/MUONgraphics/AliMUONPolygon.h
• MUON/MUONgraphics/AliMUONPolygon.cxx