Class Line2d

Represents a 2-dimensional line.

Inheritance
System.Object
Line2d
DelaunayEdge
Namespace: Paramdigma.Core.Geometry
Assembly: Paramdigma.Core.dll
Syntax
public class Line2d : object

Constructors

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Line2d(Point2d, Point2d)

Initializes a new instance of the Line2d class.

Declaration
public Line2d(Point2d startPoint, Point2d endPoint)
Parameters
Type Name Description
Point2d startPoint

Start point of the line.
Point2d endPoint

End point of the line.
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Line2d(Point2d, Vector2d)

Initializes a new instance of the Line2d class.

Declaration
public Line2d(Point2d startPoint, Vector2d direction)
Parameters
Type Name Description
Point2d startPoint

The start point of the line.
Vector2d direction

Direction. The length of the vector will determine the end point.
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Line2d(Point2d, Vector2d, Double)

Initializes a new instance of the Line2d class.

Declaration
public Line2d(Point2d startPoint, Vector2d direction, double length)
Parameters
Type Name Description
Point2d startPoint

Start point.
Vector2d direction

Direction (length of vector will be disregarded).
System.Double length

Desired length of the line.

Properties

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Domain

Gets or sets the line's domain.

Declaration
public Interval Domain { get; set; }
Property Value
Type Description
Interval

Interval.
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EndPoint

Gets or sets the end point of the line.

Declaration
public Point2d EndPoint { get; set; }
Property Value
Type Description
Point2d

3D Point.
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Length

Gets the length of the line.

Declaration
public double Length { get; }
Property Value
Type Description
System.Double
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StartPoint

Gets or sets the start point of the line.

Declaration
public Point2d StartPoint { get; set; }
Property Value
Type Description
Point2d

3D Point.
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Vector

Gets the vector representation of the line.

Declaration
public Vector2d Vector { get; }
Property Value
Type Description
Vector2d

Methods

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IsLeft(Point2d)

Computes if a given point is at the left, right or on the current line.

Declaration
public double IsLeft(Point2d point)
Parameters
Type Name Description
Point2d point

Point to test.
Returns
Type Description
System.Double

0 for point left of the line =0 for point on the line bigger 0 for point right of the line.

Operators

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Implicit(Line2d to Vector2d)

Implicit conversion from line to vector.

Declaration
public static implicit operator Vector2d(Line2d line)
Parameters
Type Name Description
Line2d line

Line to be transformed into vector.
Returns
Type Description
Vector2d