Class Ellipse2D

Describes an ellipse in 2D. Implements the ICurve2D interface.

Inheritance

System.Object

GeneralCurve2D

Ellipse2D

EllipseArc2D

Implements

ICurve2D

IQuadTreeInsertable

System.Runtime.Serialization.ISerializable

Inherited Members

GeneralCurve2D.MiddleDirection

GeneralCurve2D.PositionAtLength(Double)

GeneralCurve2D.GetAreaFromPoint(GeoPoint2D)

GeneralCurve2D.Parallel(Double, Boolean, Double, Double)

GeneralCurve2D.TangentPointsToAngle(Angle, GeoPoint2D)

GeneralCurve2D.TangentPointsToAngle(GeoVector2D)

GeneralCurve2D.IsParameterOnCurve(Double)

GeneralCurve2D.IsValidParameter(Double)

GeneralCurve2D.GetExtendedHitTest()

GeneralCurve2D.GetSelfIntersections()

GeneralCurve2D.ReinterpretParameter(Double)

GeneralCurve2D.GetInflectionPoints()

GeneralCurve2D.Approximate(Boolean, Double)

GeneralCurve2D.UserData

GeneralCurve2D.GetFused(ICurve2D, Double)

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)

System.Object.ToString()

Namespace: CADability.Curve2D

Assembly: CADability.dll

Syntax

[Serializable]
public class Ellipse2D : GeneralCurve2D, ICurve2D, IQuadTreeInsertable, I2DIntersectable, ISerializable

Constructors

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Ellipse2D()

Declaration

public Ellipse2D()

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Ellipse2D(GeoPoint2D, GeoVector2D, GeoVector2D)

Constructs an ellipse in 2D. The two axis may not be orthogonal but must not be colinear.

Declaration

public Ellipse2D(GeoPoint2D center, GeoVector2D axis1, GeoVector2D axis2)

Parameters

Type	Name	Description
GeoPoint2D	center	Center of the ellipse
GeoVector2D	axis1	First axis of the ellipse
GeoVector2D	axis2	Second axis of the ellipse

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Ellipse2D(GeoPoint2D, GeoVector2D, GeoVector2D, Boolean, GeoPoint2D, GeoPoint2D, GeoPoint2D, GeoPoint2D)

Constructs an ellipse in 2D. The major and minor axis must be orthogonal.

Declaration

public Ellipse2D(GeoPoint2D center, GeoVector2D majorAxis, GeoVector2D minorAxis, bool counterClock, GeoPoint2D left, GeoPoint2D right, GeoPoint2D bottom, GeoPoint2D top)

Parameters

Type	Name	Description
GeoPoint2D	center	Center of the ellipse
GeoVector2D	majorAxis	Major axis of the ellipse
GeoVector2D	minorAxis	Minor axis of the ellipse
System.Boolean	counterClock
GeoPoint2D	left	left extremum of the ellipse
GeoPoint2D	right	right extremum of the ellipse
GeoPoint2D	bottom	bottom extremum of the ellipse
GeoPoint2D	top	top extremum of the ellipse

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Ellipse2D(SerializationInfo, StreamingContext)

Constructor required by deserialization

Declaration

protected Ellipse2D(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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Center

Declaration

public GeoPoint2D Center { get; set; }

Property Value

Type	Description
GeoPoint2D

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EndDirection

Declaration

public override GeoVector2D EndDirection { get; }

Property Value

Type	Description
GeoVector2D

Overrides

GeneralCurve2D.EndDirection

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EndPoint

Declaration

public override GeoPoint2D EndPoint { get; set; }

Property Value

Type	Description
GeoPoint2D

Overrides

GeneralCurve2D.EndPoint

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IsClosed

Declaration

public override bool IsClosed { get; }

Property Value

Type	Description
System.Boolean

Overrides

GeneralCurve2D.IsClosed

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Length

Declaration

public override double Length { get; }

Property Value

Type	Description
System.Double

Overrides

GeneralCurve2D.Length

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MajorAxis

Declaration

public GeoVector2D MajorAxis { get; set; }

Property Value

Type	Description
GeoVector2D

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MinorAxis

Declaration

public GeoVector2D MinorAxis { get; set; }

Property Value

Type	Description
GeoVector2D

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StartDirection

Declaration

public override GeoVector2D StartDirection { get; }

Property Value

Type	Description
GeoVector2D

Overrides

GeneralCurve2D.StartDirection

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StartPoint

Declaration

public override GeoPoint2D StartPoint { get; set; }

Property Value

Type	Description
GeoPoint2D

Overrides

GeneralCurve2D.StartPoint

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Sweep

Declaration

public override double Sweep { get; }

Property Value

Type	Description
System.Double

Overrides

GeneralCurve2D.Sweep

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

GeneralCurve2D.AddToGraphicsPath(GraphicsPath, Boolean)

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Clone()

Overrides Clone()

Declaration

public override ICurve2D Clone()

Returns

Type	Description
ICurve2D

Overrides

GeneralCurve2D.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

GeneralCurve2D.CloneReverse(Boolean)

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ClosestPerpendicularFoot(GeoPoint2D)

Declaration

protected GeoPoint2D ClosestPerpendicularFoot(GeoPoint2D FromHere)

Parameters

Type	Name	Description
GeoPoint2D	FromHere

Returns

Type	Description
GeoPoint2D

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Copy(ICurve2D)

Overrides Copy(ICurve2D)

Declaration

public override void Copy(ICurve2D toCopyFrom)

Parameters

Type	Name	Description
ICurve2D	toCopyFrom

Overrides

GeneralCurve2D.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

GeneralCurve2D.DirectionAt(Double)

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Distance(GeoPoint2D)

Overrides Distance(GeoPoint2D)

Declaration

public override double Distance(GeoPoint2D p)

Parameters

Type	Name	Description
GeoPoint2D	p

Returns

Type	Description
System.Double

Overrides

GeneralCurve2D.Distance(GeoPoint2D)

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FromFivePoints(GeoPoint2D[])

Declaration

public static Ellipse2D FromFivePoints(GeoPoint2D[] p)

Parameters

Type	Name	Description
GeoPoint2D[]	p

Returns

Type	Description
Ellipse2D

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FromFivePoints(GeoPoint2D[], Boolean)

Declaration

public static Ellipse2D FromFivePoints(GeoPoint2D[] p, bool isFull)

Parameters

Type	Name	Description
GeoPoint2D[]	p
System.Boolean	isFull

Returns

Type	Description
Ellipse2D

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GetArea()

Overrides GetArea()

Declaration

public override double GetArea()

Returns

Type	Description
System.Double

Overrides

GeneralCurve2D.GetArea()

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GetExtent()

Overrides GetExtent()

Declaration

public override BoundingRect GetExtent()

Returns

Type	Description
BoundingRect

Overrides

GeneralCurve2D.GetExtent()

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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 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.

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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

GeneralCurve2D.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

GeneralCurve2D.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

GeneralCurve2D.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

GeneralCurve2D.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

GeneralCurve2D.MinDistance(ICurve2D)

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MinDistance(GeoPoint2D)

Overrides MinDistance(GeoPoint2D)

Declaration

public override double MinDistance(GeoPoint2D p)

Parameters

Type	Name	Description
GeoPoint2D	p

Returns

Type	Description
System.Double

Overrides

GeneralCurve2D.MinDistance(GeoPoint2D)

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Move(Double, Double)

Overrides Move(Double, Double)

Declaration

public override void Move(double dx, double dy)

Parameters

Type	Name	Description
System.Double	dx
System.Double	dy

Overrides

GeneralCurve2D.Move(Double, Double)

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PerpendicularFoot(GeoPoint2D)

Overrides PerpendicularFoot(GeoPoint2D)

Declaration

public override GeoPoint2D[] PerpendicularFoot(GeoPoint2D FromHere)

Parameters

Type	Name	Description
GeoPoint2D	FromHere

Returns

Type	Description
GeoPoint2D[]

Overrides

GeneralCurve2D.PerpendicularFoot(GeoPoint2D)

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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

GeneralCurve2D.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

GeneralCurve2D.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

GeneralCurve2D.Project(Plane, Plane)

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Reverse()

Overrides Reverse()

Declaration

public override void Reverse()

Overrides

GeneralCurve2D.Reverse()

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Split(Double)

Overrides Split(Double)

Declaration

public override ICurve2D[] Split(double Position)

Parameters

Type	Name	Description
System.Double	Position

Returns

Type	Description
ICurve2D[]

Overrides

GeneralCurve2D.Split(Double)

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TangentPoints(GeoPoint2D, GeoPoint2D)

Overrides TangentPoints(GeoPoint2D, GeoPoint2D)

Declaration

public override GeoPoint2D[] TangentPoints(GeoPoint2D FromHere, GeoPoint2D CloseTo)

Parameters

Type	Name	Description
GeoPoint2D	FromHere
GeoPoint2D	CloseTo

Returns

Type	Description
GeoPoint2D[]

Overrides

GeneralCurve2D.TangentPoints(GeoPoint2D, GeoPoint2D)

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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

GeneralCurve2D.Trim(Double, Double)

Implements

ICurve2D

IQuadTreeInsertable

System.Runtime.Serialization.ISerializable