Class Arc2D

Describes a circular Arc in 2D. Implements the ICurve2D interface.

Inheritance

System.Object

GeneralCurve2D

Circle2D

Arc2D

Implements

ICurve2D

IQuadTreeInsertable

System.Runtime.Serialization.ISerializable

Inherited Members

Circle2D.Center

Circle2D.Radius

Circle2D.Move(Double, Double)

Circle2D.TangentPoints(GeoPoint2D, GeoPoint2D)

Circle2D.Distance(GeoPoint2D)

Circle2D.Split(Double)

Circle2D.PerpendicularFoot(GeoPoint2D)

Circle2D.GetAreaFromPoint(GeoPoint2D)

GeneralCurve2D.MiddleDirection

GeneralCurve2D.PositionAtLength(Double)

GeneralCurve2D.MinDistance(GeoPoint2D)

GeneralCurve2D.TangentPointsToAngle(Angle, GeoPoint2D)

GeneralCurve2D.IsParameterOnCurve(Double)

GeneralCurve2D.IsValidParameter(Double)

GeneralCurve2D.GetSelfIntersections()

GeneralCurve2D.GetInflectionPoints()

GeneralCurve2D.UserData

GeneralCurve2D.TryPointDeriv2At(Double, GeoPoint2D, GeoVector2D, GeoVector2D)

GeneralCurve2D.ReferencedObject

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

Namespace: CADability.Curve2D

Assembly: CADability.dll

Syntax

[Serializable]
public class Arc2D : Circle2D, ICurve2D, IQuadTreeInsertable, I2DIntersectable, ISerializable

Constructors

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Arc2D(GeoPoint2D, Double, Angle, SweepAngle)

Constructs a circular arc in 2D.

Declaration

public Arc2D(GeoPoint2D center, double radius, Angle start, SweepAngle sweep)

Parameters

Type	Name	Description
GeoPoint2D	center	Center of the arc
System.Double	radius	Radius of the Arc
Angle	start	Startangle of the arc (x-axis is 0)
SweepAngle	sweep	Sweepangle of the arc -2pi<=s<=2pi

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Arc2D(GeoPoint2D, Double, GeoPoint2D, GeoPoint2D, Boolean)

Declaration

public Arc2D(GeoPoint2D center, double radius, GeoPoint2D StartPoint, GeoPoint2D EndPoint, bool counterclock)

Parameters

Type	Name	Description
GeoPoint2D	center
System.Double	radius
GeoPoint2D	StartPoint
GeoPoint2D	EndPoint
System.Boolean	counterclock

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Arc2D(SerializationInfo, StreamingContext)

Constructor required by deserialization

Declaration

protected Arc2D(SerializationInfo info, StreamingContext context)

Parameters

Type	Name	Description
System.Runtime.Serialization.SerializationInfo	info	SerializationInfo
System.Runtime.Serialization.StreamingContext	context	StreamingContext

Properties

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EndDirection

Declaration

public override GeoVector2D EndDirection { get; }

Property Value

Type	Description
GeoVector2D

Overrides

Circle2D.EndDirection

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EndParameter

Declaration

public double EndParameter { get; }

Property Value

Type	Description
System.Double

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EndPoint

Declaration

public override GeoPoint2D EndPoint { get; set; }

Property Value

Type	Description
GeoPoint2D

Overrides

Circle2D.EndPoint

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IsClosed

Declaration

public override bool IsClosed { get; }

Property Value

Type	Description
System.Boolean

Overrides

Circle2D.IsClosed

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Length

Declaration

public override double Length { get; }

Property Value

Type	Description
System.Double

Overrides

Circle2D.Length

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SegmentArea

Declaration

public double SegmentArea { get; }

Property Value

Type	Description
System.Double

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StartDirection

Declaration

public override GeoVector2D StartDirection { get; }

Property Value

Type	Description
GeoVector2D

Overrides

Circle2D.StartDirection

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StartParameter

Declaration

public double StartParameter { get; }

Property Value

Type	Description
System.Double

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StartPoint

Declaration

public override GeoPoint2D StartPoint { get; set; }

Property Value

Type	Description
GeoPoint2D

Overrides

Circle2D.StartPoint

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Sweep

Declaration

public override double Sweep { get; }

Property Value

Type	Description
System.Double

Overrides

Circle2D.Sweep

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SweepAngle

Declaration

public SweepAngle SweepAngle { get; }

Property Value

Type	Description
SweepAngle

Methods

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AddToGraphicsPath(GraphicsPath, Boolean)

Overrides AddToGraphicsPath(GraphicsPath, Boolean)

Declaration

public override void AddToGraphicsPath(GraphicsPath path, bool forward)

Parameters

Type	Name	Description
System.Drawing.Drawing2D.GraphicsPath	path
System.Boolean	forward

Overrides

Circle2D.AddToGraphicsPath(GraphicsPath, Boolean)

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Approximate(Boolean, Double)

Overrides Approximate(Boolean, Double)

Declaration

public override ICurve2D Approximate(bool linesOnly, double maxError)

Parameters

Type	Name	Description
System.Boolean	linesOnly
System.Double	maxError

Returns

Type	Description
ICurve2D

Overrides

Circle2D.Approximate(Boolean, Double)

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Clone()

Overrides Clone()

Declaration

public override ICurve2D Clone()

Returns

Type	Description
ICurve2D

Overrides

Circle2D.Clone()

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CloneReverse(Boolean)

Overrides CloneReverse(Boolean)

Declaration

public override ICurve2D CloneReverse(bool reverse)

Parameters

Type	Name	Description
System.Boolean	reverse

Returns

Type	Description
ICurve2D

Overrides

Circle2D.CloneReverse(Boolean)

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Copy(ICurve2D)

Overrides Copy(ICurve2D)

Declaration

public override void Copy(ICurve2D toCopyFrom)

Parameters

Type	Name	Description
ICurve2D	toCopyFrom

Overrides

Circle2D.Copy(ICurve2D)

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DirectionAt(Double)

Overrides DirectionAt(Double)

Declaration

public override GeoVector2D DirectionAt(double Position)

Parameters

Type	Name	Description
System.Double	Position

Returns

Type	Description
GeoVector2D

Overrides

Circle2D.DirectionAt(Double)

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From2PointsAndTangents(GeoPoint2D, GeoVector2D, GeoPoint2D, GeoVector2D)

Declaration

public static Arc2D From2PointsAndTangents(GeoPoint2D sp, GeoVector2D sd, GeoPoint2D ep, GeoVector2D ed)

Parameters

Type	Name	Description
GeoPoint2D	sp
GeoVector2D	sd
GeoPoint2D	ep
GeoVector2D	ed

Returns

Type	Description
Arc2D

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From3Points(GeoPoint2D, GeoPoint2D, GeoPoint2D)

Declaration

public static Arc2D From3Points(GeoPoint2D sp, GeoPoint2D mp, GeoPoint2D ep)

Parameters

Type	Name	Description
GeoPoint2D	sp
GeoPoint2D	mp
GeoPoint2D	ep

Returns

Type	Description
Arc2D

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GetArea()

Overrides GetArea()

Declaration

public override double GetArea()

Returns

Type	Description
System.Double

Overrides

Circle2D.GetArea()

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GetExtendedHitTest()

Overrides GetExtendedHitTest()

Declaration

public override IQuadTreeInsertable GetExtendedHitTest()

Returns

Type	Description
IQuadTreeInsertable

Overrides

GeneralCurve2D.GetExtendedHitTest()

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GetExtent()

Overrides GetExtent()

Declaration

public override BoundingRect GetExtent()

Returns

Type	Description
BoundingRect

Overrides

Circle2D.GetExtent()

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GetFused(ICurve2D, Double)

Overrides GetFused(ICurve2D, Double)

Declaration

public override ICurve2D GetFused(ICurve2D toFuseWith, double precision)

Parameters

Type	Name	Description
ICurve2D	toFuseWith
System.Double	precision

Returns

Type	Description
ICurve2D

Overrides

Circle2D.GetFused(ICurve2D, Double)

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GetModified(ModOp2D)

Overrides GetModified(ModOp2D)

Declaration

public override ICurve2D GetModified(ModOp2D m)

Parameters

Type	Name	Description
ModOp2D	m

Returns

Type	Description
ICurve2D

Overrides

GeneralCurve2D.GetModified(ModOp2D)

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GetObjectData(SerializationInfo, StreamingContext)

Implements System.Runtime.Serialization.ISerializable.GetObjectData(System.Runtime.Serialization.SerializationInfo, System.Runtime.Serialization.StreamingContext)

Declaration

public override void GetObjectData(SerializationInfo info, StreamingContext context)

Parameters

Type	Name	Description
System.Runtime.Serialization.SerializationInfo	info	The System.Runtime.Serialization.SerializationInfo to populate with data.
System.Runtime.Serialization.StreamingContext	context	The destination (System.Runtime.Serialization.StreamingContext) for this serialization.

Overrides

Circle2D.GetObjectData(SerializationInfo, StreamingContext)

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HitTest(ref BoundingRect, Boolean)

Overrides HitTest(ref BoundingRect, Boolean)

Declaration

public override bool HitTest(ref BoundingRect Rect, bool IncludeControlPoints)

Parameters

Type	Name	Description
BoundingRect	Rect
System.Boolean	IncludeControlPoints

Returns

Type	Description
System.Boolean

Overrides

Circle2D.HitTest(ref BoundingRect, Boolean)

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Intersect(ICurve2D)

Overrides Intersect(ICurve2D)

Declaration

public override GeoPoint2DWithParameter[] Intersect(ICurve2D IntersectWith)

Parameters

Type	Name	Description
ICurve2D	IntersectWith

Returns

Type	Description
GeoPoint2DWithParameter[]

Overrides

Circle2D.Intersect(ICurve2D)

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Intersect(GeoPoint2D, GeoPoint2D)

Overrides Intersect(GeoPoint2D, GeoPoint2D)

Declaration

public override GeoPoint2DWithParameter[] Intersect(GeoPoint2D StartPoint, GeoPoint2D EndPoint)

Parameters

Type	Name	Description
GeoPoint2D	StartPoint
GeoPoint2D	EndPoint

Returns

Type	Description
GeoPoint2DWithParameter[]

Overrides

Circle2D.Intersect(GeoPoint2D, GeoPoint2D)

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MakeGeoObject(Plane)

Overrides MakeGeoObject(Plane)

Declaration

public override IGeoObject MakeGeoObject(Plane p)

Parameters

Type	Name	Description
Plane	p

Returns

Type	Description
IGeoObject

Overrides

Circle2D.MakeGeoObject(Plane)

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MinDistance(ICurve2D)

Overrides MinDistance(ICurve2D)

Declaration

public override double MinDistance(ICurve2D Other)

Parameters

Type	Name	Description
ICurve2D	Other

Returns

Type	Description
System.Double

Overrides

Circle2D.MinDistance(ICurve2D)

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Parallel(Double, Boolean, Double, Double)

Overrides Parallel(Double, Boolean, Double, Double)

Declaration

public override ICurve2D Parallel(double Dist, bool approxSpline, double precision, double roundAngle)

Parameters

Type	Name	Description
System.Double	Dist
System.Boolean	approxSpline
System.Double	precision
System.Double	roundAngle

Returns

Type	Description
ICurve2D

Overrides

Circle2D.Parallel(Double, Boolean, Double, Double)

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PointAt(Double)

Overrides PointAt(Double)

Declaration

public override GeoPoint2D PointAt(double Position)

Parameters

Type	Name	Description
System.Double	Position

Returns

Type	Description
GeoPoint2D

Overrides

Circle2D.PointAt(Double)

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PositionOf(GeoPoint2D)

Overrides PositionOf(GeoPoint2D)

Declaration

public override double PositionOf(GeoPoint2D p)

Parameters

Type	Name	Description
GeoPoint2D	p

Returns

Type	Description
System.Double

Overrides

Circle2D.PositionOf(GeoPoint2D)

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Project(Plane, Plane)

Overrides Project(Plane, Plane)

Declaration

public override ICurve2D Project(Plane fromPlane, Plane toPlane)

Parameters

Type	Name	Description
Plane	fromPlane
Plane	toPlane

Returns

Type	Description
ICurve2D

Overrides

Circle2D.Project(Plane, Plane)

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ReinterpretParameter(ref Double)

Overrides ReinterpretParameter(ref Double)

Declaration

public override bool ReinterpretParameter(ref double p)

Parameters

Type	Name	Description
System.Double	p

Returns

Type	Description
System.Boolean

Overrides

GeneralCurve2D.ReinterpretParameter(ref Double)

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Reverse()

Overrides Reverse()

Declaration

public override void Reverse()

Overrides

Circle2D.Reverse()

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TangentPointsToAngle(GeoVector2D)

Overrides TangentPointsToAngle(GeoVector2D)

Declaration

public override double[] TangentPointsToAngle(GeoVector2D direction)

Parameters

Type	Name	Description
GeoVector2D	direction

Returns

Type	Description
System.Double[]

Overrides

Circle2D.TangentPointsToAngle(GeoVector2D)

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ToString()

Declaration

public override string ToString()

Returns

Type	Description
System.String

Overrides

Circle2D.ToString()

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Trim(Double, Double)

Overrides Trim(Double, Double)

Declaration

public override ICurve2D Trim(double StartPos, double EndPos)

Parameters

Type	Name	Description
System.Double	StartPos
System.Double	EndPos

Returns

Type	Description
ICurve2D

Overrides

Circle2D.Trim(Double, Double)

Implements

ICurve2D

IQuadTreeInsertable

System.Runtime.Serialization.ISerializable