Struct Segment2d

Implements

IParametricCurve2d

Inherited Members

ValueType.Equals(Object)

ValueType.GetHashCode()

ValueType.ToString()

Object.Equals(Object, Object)

Object.ReferenceEquals(Object, Object)

Object.GetType()

Namespace: g3

Assembly: cs.temp.dll.dll

Syntax

public struct Segment2d : IParametricCurve2d

Constructors

Segment2d(Vector2d, Vector2d)

Declaration

public Segment2d(Vector2d p0, Vector2d p1)

Parameters

Type	Name	Description
Vector2d	p0
Vector2d	p1

Segment2d(Vector2d, Vector2d, Double)

Declaration

public Segment2d(Vector2d center, Vector2d direction, double extent)

Parameters

Type	Name	Description
Vector2d	center
Vector2d	direction
Double	extent

Fields

Center

Declaration

public Vector2d Center

Field Value

Type	Description
Vector2d

Direction

Declaration

public Vector2d Direction

Field Value

Type	Description
Vector2d

Extent

Declaration

public double Extent

Field Value

Type	Description
Double

Properties

ArcLength

Declaration

public double ArcLength { get; }

Property Value

Type	Description
Double

HasArcLength

Declaration

public bool HasArcLength { get; }

Property Value

Type	Description
Boolean

IsClosed

Declaration

public bool IsClosed { get; }

Property Value

Type	Description
Boolean

IsTransformable

Declaration

public bool IsTransformable { get; }

Property Value

Type	Description
Boolean

Length

Declaration

public double Length { get; }

Property Value

Type	Description
Double

P0

Declaration

public Vector2d P0 { get; set; }

Property Value

Type	Description
Vector2d

P1

Declaration

public Vector2d P1 { get; set; }

Property Value

Type	Description
Vector2d

ParamLength

Declaration

public double ParamLength { get; }

Property Value

Type	Description
Double

Methods

Clone()

Declaration

public IParametricCurve2d Clone()

Returns

Type	Description
IParametricCurve2d

DistanceSquared(Vector2d)

Declaration

public double DistanceSquared(Vector2d p)

Parameters

Type	Name	Description
Vector2d	p

Returns

Type	Description
Double

DistanceSquared(Vector2d, out Double)

Declaration

public double DistanceSquared(Vector2d p, out double t)

Parameters

Type	Name	Description
Vector2d	p
Double	t

Returns

Type	Description
Double

Endpoint(Int32)

Declaration

public Vector2d Endpoint(int i)

Parameters

Type	Name	Description
Int32	i

Returns

Type	Description
Vector2d

FastDistanceSquared(ref Vector2d, ref Vector2d, ref Vector2d)

distance from pt to segment (a,b), with no square roots

Declaration

public static double FastDistanceSquared(ref Vector2d a, ref Vector2d b, ref Vector2d pt)

Parameters

Type	Name	Description
Vector2d	a
Vector2d	b
Vector2d	pt

Returns

Type	Description
Double

Intersects(Segment2d, Double, Double)

Declaration

public bool Intersects(Segment2d seg2, double dotThresh = 4.94065645841247E-324, double intervalThresh = 0)

Parameters

Type	Name	Description
Segment2d	seg2
Double	dotThresh
Double	intervalThresh

Returns

Type	Description
Boolean

Intersects(ref Segment2d, Double, Double)

Test if segments intersect. Returns true for parallel-line overlaps. Returns same result as IntrSegment2Segment2.

Declaration

public bool Intersects(ref Segment2d seg2, double dotThresh = 4.94065645841247E-324, double intervalThresh = 0)

Parameters

Type	Name	Description
Segment2d	seg2
Double	dotThresh
Double	intervalThresh

Returns

Type	Description
Boolean

NearestPoint(Vector2d)

Declaration

public Vector2d NearestPoint(Vector2d p)

Parameters

Type	Name	Description
Vector2d	p

Returns

Type	Description
Vector2d

PointAt(Double)

Declaration

public Vector2d PointAt(double d)

Parameters

Type	Name	Description
Double	d

Returns

Type	Description
Vector2d

PointBetween(Double)

Declaration

public Vector2d PointBetween(double t)

Parameters

Type	Name	Description
Double	t

Returns

Type	Description
Vector2d

Project(Vector2d)

Declaration

public double Project(Vector2d p)

Parameters

Type	Name	Description
Vector2d	p

Returns

Type	Description
Double

Reverse()

Declaration

public void Reverse()

SampleArcLength(Double)

Declaration

public Vector2d SampleArcLength(double a)

Parameters

Type	Name	Description
Double	a

Returns

Type	Description
Vector2d

SampleT(Double)

Declaration

public Vector2d SampleT(double t)

Parameters

Type	Name	Description
Double	t

Returns

Type	Description
Vector2d

TangentT(Double)

Declaration

public Vector2d TangentT(double t)

Parameters

Type	Name	Description
Double	t

Returns

Type	Description
Vector2d

Transform(ITransform2)

Declaration

public void Transform(ITransform2 xform)

Parameters

Type	Name	Description
ITransform2	xform

WhichSide(Vector2d, Double)

Returns: +1, on right of line -1, on left of line 0, on the line

Declaration

public int WhichSide(Vector2d test, double tol = 0)

Parameters

Type	Name	Description
Vector2d	test
Double	tol

Returns

Type	Description
Int32

WhichSide(ref Vector2d, ref Vector2d, ref Vector2d, Double)

Returns: +1, on right of line -1, on left of line 0, on the line

Declaration

public static int WhichSide(ref Vector2d a, ref Vector2d b, ref Vector2d test, double tol = 0)

Parameters

Type	Name	Description
Vector2d	a
Vector2d	b
Vector2d	test
Double	tol

Returns

Type	Description
Int32

Implements

IParametricCurve2d