Point2Dd Struct Reference

Multi-purpose 2D Point class. More...

Inherits IPosition.

Public Member Functions
	Point2Dd (Point2D pt)
	Create a Point2Dd CvbPointD from a Point2D.
	Point2Dd (double x, double y)
	Create a Vector2D from the x and y component.
	Point2Dd (Angle phi, double r)
	Create a PointD vector from radial coordinates. Note that the Point2Dd vectors are internally stored in Cartesian coordinates and that extensive use of radial coordinates my be slow.
override bool	Equals (object obj)
	Compares this point with the given obj .
bool	Equals (Point2Dd rhs)
	Compares this point with the given rhs one.
override int	GetHashCode ()
	Hash code.
override string	ToString ()
	String conversion.
Point2D	ToPoint2D ()
	Converter a PointD to a Point.

Static Public Member Functions
static Point2Dd	operator- (Point2D lhs, Point2Dd rhs)
	Subtraction operator for PointD structures.
static Point2Dd	operator+ (Point2D lhs, Point2Dd rhs)
	Addition operator for PointD structures.
static Point2Dd	operator- (Point2Dd lhs, Point2D rhs)
	Subtraction operator for PointD structures.
static Point2Dd	operator+ (Point2Dd lhs, Point2D rhs)
	Addition operator for PointD structures.
static Point2Dd	operator- (Point2Dd lhs, Point2Dd rhs)
	Subtraction operator for PointD structs.
static Point2Dd	operator+ (Point2Dd lhs, Point2Dd rhs)
	Addition operator for PointD structs.
static bool	operator!= (Point2Dd lhs, Point2Dd rhs)
	Comparison operator for PointD structs.
static bool	operator== (Point2Dd lhs, Point2Dd rhs)
	Comparison operator for PointD structs.
static Point2Dd	operator* (Matrix2D lhs, Point2Dd rhs)
	Multiply a Matrix with a PointD rhs.
static double	operator* (Point2Dd lhs, Point2Dd rhs)
	Inner product of two PointD vectors.
static Point2Dd	operator* (double lhs, Point2Dd rhs)
	Multiply a PointD with a number.
static Point2Dd	operator* (AffineMatrix2D m, Point2Dd p)
	Transform a point using an affine matrix (= coordinate system).
static Point2Dd	operator/ (Point2Dd p, double d)
	Divide a Point2Dd structure by dividing its X and Y component.

Static Public Attributes
static readonly Point2Dd	Empty = new Point2Dd()
	Empty rhs.
static readonly Point2Dd	UnitVectorX = new Point2Dd(1.0, 0.0)
	Unit rhs in x direction.
static readonly Point2Dd	UnitVectorY = new Point2Dd(0.0, 1.0)
	Unit rhs in y direction.

Properties
double	X [get, set]
	x component of the rhs
double	Y [get, set]
	y component of the rhs
double	this[int row] [get, set]
	Index access.
double	Length [get, set]
	length of the vector represented by this PointD object.
Angle	Phi [get, set]
	Orientation of the vector represented by this PointD object.

Detailed Description

Multi-purpose 2D Point class.

Constructor & Destructor Documentation

Point2Dd() [1/3]

Point2Dd

(

Point2D

pt

)

Create a Point2Dd CvbPointD from a Point2D.

Parameters

pt	Point2D to be converted.

Point2Dd() [2/3]

Point2Dd	(	double	x,
		double	y )

Create a Vector2D from the x and y component.

Parameters

x	data to initialize with
y	data to initialize with

Point2Dd() [3/3]

Point2Dd	(	Angle	phi,
		double	r )

Create a PointD vector from radial coordinates. Note that the Point2Dd vectors are internally stored in Cartesian coordinates and that extensive use of radial coordinates my be slow.

Parameters

phi	Angle coordinate.
r	Radius coordinate.

Member Function Documentation

Equals() [1/2]

override bool Equals

(

object

obj

)

Compares this point with the given obj .

Parameters

obj	Object to compare with.

Returns

true if obj is a Point2Dd and the components are equal.

Equals() [2/2]

bool Equals

(

Point2Dd

rhs

)

Compares this point with the given rhs one.

Parameters

rhs	Point to compare with.

Returns

true if components are equal.

GetHashCode()

override int GetHashCode

(

)

Hash code.

Returns

hash code

operator!=()

static bool operator!= ( Point2Dd lhs, Point2Dd rhs )

static

Comparison operator for PointD structs.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

true if lhs != rhs, false otherwise.

operator*() [1/4]

static Point2Dd operator* ( AffineMatrix2D m, Point2Dd p )

static

Transform a point using an affine matrix (= coordinate system).

Parameters

m	affine matrix to transform with
p	point to transform

Returns

Product of m and p .

operator*() [2/4]

static Point2Dd operator* ( double lhs, Point2Dd rhs )

static

Multiply a PointD with a number.

Parameters

rhs	rhs to multiply with
lhs	lhs to multiply with

Returns

Product of lhs and rhs .

operator*() [3/4]

static Point2Dd operator* ( Matrix2D lhs, Point2Dd rhs )

static

Multiply a Matrix with a PointD rhs.

Parameters

lhs	matrix
rhs	rhs

Returns

Product of lhs and rhs .

operator*() [4/4]

static double operator* ( Point2Dd lhs, Point2Dd rhs )

static

Inner product of two PointD vectors.

Parameters

lhs	left hand side vector
rhs	right hand side vector

Returns

Inner product of lhs and rhs .

operator+() [1/3]

static Point2Dd operator+ ( Point2D lhs, Point2Dd rhs )

static

Addition operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Sum of lhs and rhs .

operator+() [2/3]

static Point2Dd operator+ ( Point2Dd lhs, Point2D rhs )

static

Addition operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Sum of lhs and rhs .

operator+() [3/3]

static Point2Dd operator+ ( Point2Dd lhs, Point2Dd rhs )

static

Addition operator for PointD structs.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Sum of lhs and rhs .

operator-() [1/3]

static Point2Dd operator- ( Point2D lhs, Point2Dd rhs )

static

Subtraction operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Difference of lhs and rhs .

operator-() [2/3]

static Point2Dd operator- ( Point2Dd lhs, Point2D rhs )

static

Subtraction operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Sum of lhs and rhs .

operator-() [3/3]

static Point2Dd operator- ( Point2Dd lhs, Point2Dd rhs )

static

Subtraction operator for PointD structs.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Difference of lhs and rhs .

operator/()

static Point2Dd operator/ ( Point2Dd p, double d )

static

Divide a Point2Dd structure by dividing its X and Y component.

Parameters

p	Point to be divided
d	Divisor

Returns

Divided point

operator==()

static bool operator== ( Point2Dd lhs, Point2Dd rhs )

static

Comparison operator for PointD structs.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

true if lhs == rhs, false otherwise.

ToPoint2D()

Point2D ToPoint2D

(

)

Converter a PointD to a Point.

Returns

Point representation of this object

ToString()

override string ToString

(

)

String conversion.

Returns

string representation of this PointD

Property Documentation

this[int row]

double this[int row]

getset

Index access.

Parameters

row	The element to access (0 is X).

Returns