Class Point4d

Represents a 4-dimensional point.

Inheritance

System.Object

BasePoint

Point4d

Inherited Members

BasePoint.X

BasePoint.Y

BasePoint.Z

BasePoint.IsUnset

BasePoint.Add(BasePoint)

BasePoint.Substract(BasePoint)

BasePoint.Multiply(Double)

BasePoint.Divide(Double)

BasePoint.Negate()

BasePoint.ToString()

BasePoint.ToArray()

Namespace: Paramdigma.Core.Geometry

Assembly: Paramdigma.Core.dll

Syntax

public class Point4d : BasePoint

Constructors

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Point4d()

Initializes a new instance of the Point4d class.

Declaration

public Point4d()

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Point4d(Point3d)

Initializes a new instance of the Point4d class from a 3-dimensional point and a weight.

Declaration

public Point4d(Point3d pt)

Parameters

Type	Name	Description
Point3d	pt	Point.

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Point4d(Point3d, Double)

Initializes a new instance of the Point4d class from a 3-dimensional point and a weight.

Declaration

public Point4d(Point3d pt, double w)

Parameters

Type	Name	Description
Point3d	pt	Point.
System.Double	w	Weight.

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Point4d(Double, Double, Double, Double)

Initializes a new instance of the Point4d class by cartesian coordinates and weight.

Declaration

public Point4d(double x, double y, double z, double w)

Parameters

Type	Name	Description
System.Double	x	X Coordinate.
System.Double	y	Y Coordinate.
System.Double	z	Z Coordinate.
System.Double	w	Weight.

Properties

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Position

Gets the raw position of the point4d (without taking into account weight).

Declaration

public Point3d Position { get; }

Property Value

Type	Description
Point3d

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Weight

Gets or sets the weight of this point.

Declaration

public double Weight { get; set; }

Property Value

Type	Description
System.Double

Methods

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Equals(Object)

Performs a deep clone of the point.

Declaration

public override bool Equals(object obj)

Parameters

Type	Name	Description
System.Object	obj	Object to compare to.

Returns

Type	Description
System.Boolean	Returns a copy of this BasePoint instance.

Overrides

BasePoint.Equals(Object)

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GetHashCode()

Declaration

public override int GetHashCode()

Returns

Type	Description
System.Int32

Overrides

BasePoint.GetHashCode()

Operators

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Addition(Point4d, Point4d)

Adds to points together.

Declaration

public static Point4d operator +(Point4d point, Point4d point2)

Parameters

Type	Name	Description
Point4d	point	First point to add.
Point4d	point2	Second point to add.

Returns

Type	Description
Point4d	A new Point4d instance.

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Addition(Point4d, Vector3d)

Adds a vector and a point.

Declaration

public static Point4d operator +(Point4d point, Vector3d v)

Parameters

Type	Name	Description
Point4d	point	A 4d point
Vector3d	v	A 3d vector

Returns

Type	Description
Point4d	A new Point4d instance with the resulting coordinates.

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Division(Point4d, Double)

Divides a point by a scalar value.

Declaration

public static Point4d operator /(Point4d point, double scalar)

Parameters

Type	Name	Description
Point4d	point	Point to divide.
System.Double	scalar	Number to divide point with.

Returns

Type	Description
Point4d	A new Point4d instance.

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Equality(Point4d, Point4d)

Equality check between two Point4d instances.

Declaration

public static bool operator ==(Point4d point, Point4d point2)

Parameters

Type	Name	Description
Point4d	point	Point to check equality from.
Point4d	point2	Point to check equality to.

Returns

Type	Description
System.Boolean	True if points are equal.

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Inequality(Point4d, Point4d)

Inequality check between two Point4d instances.

Declaration

public static bool operator !=(Point4d point, Point4d point2)

Parameters

Type	Name	Description
Point4d	point	Point to check inequality from.
Point4d	point2	Point to check inequality to.

Returns

Type	Description
System.Boolean	True if points are NOT equal.

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Multiply(Point4d, Double)

Multiply a point by a scalar.

Declaration

public static Point4d operator *(Point4d point, double scalar)

Parameters

Type	Name	Description
Point4d	point	Point to be multiplied.
System.Double	scalar	Number to multiply point with.

Returns

Type	Description
Point4d	A new Point4d instance.

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Multiply(Double, Point4d)

Multiply a point by a scalar.

Declaration

public static Point4d operator *(double scalar, Point4d point)

Parameters

Type	Name	Description
System.Double	scalar	Number to multiply point with.
Point4d	point	Point to be multiplied.

Returns

Type	Description
Point4d	A new Point4d instance.

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Subtraction(Point4d, Point4d)

Subtracts one point from another.

Declaration

public static Point4d operator -(Point4d point, Point4d point2)

Parameters

Type	Name	Description
Point4d	point	Point to subtract from.
Point4d	point2	Point to be subtracted.

Returns

Type	Description
Point4d	A new Point4d instance.

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UnaryNegation(Point4d)

Negates a point.

Declaration

public static Point4d operator -(Point4d point)

Parameters

Type	Name	Description
Point4d	point	Point to be negated.

Returns

Type	Description
Point4d	A new Point4d instance.