Class GeneralCurve2D

This class serves as an implementation helper for the ICurve2D interface. It cannot be instantiated and there are no methods for public use.

Inheritance
System.Object
GeneralCurve2D
BSpline2D
Circle2D
Ellipse2D
Line2D
Path2D
Polyline2D
SurfaceOfRevolution.Hyperbola
SurfaceOfRevolution.HyperbolaHelp
Inherited Members
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
public abstract class GeneralCurve2D : ICurve2D, IQuadTreeInsertable, I2DIntersectable

Constructors

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GeneralCurve2D()

Declaration
protected GeneralCurve2D()

Properties

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EndDirection

Declaration
public virtual GeoVector2D EndDirection { get; set; }
Property Value
Type Description
GeoVector2D
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EndPoint

Declaration
public virtual GeoPoint2D EndPoint { get; set; }
Property Value
Type Description
GeoPoint2D
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IsClosed

Declaration
public virtual bool IsClosed { get; }
Property Value
Type Description
System.Boolean
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Length

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

Declaration
public virtual GeoVector2D MiddleDirection { get; }
Property Value
Type Description
GeoVector2D
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ReferencedObject

Declaration
public virtual object ReferencedObject { get; }
Property Value
Type Description
System.Object
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StartDirection

Declaration
public virtual GeoVector2D StartDirection { get; }
Property Value
Type Description
GeoVector2D
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StartPoint

Declaration
public virtual GeoPoint2D StartPoint { get; set; }
Property Value
Type Description
GeoPoint2D
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Sweep

Declaration
public virtual double Sweep { get; }
Property Value
Type Description
System.Double
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UserData

Declaration
public virtual UserData UserData { get; }
Property Value
Type Description
UserData

Methods

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AddToGraphicsPath(GraphicsPath, Boolean)

Implements AddToGraphicsPath(GraphicsPath, Boolean)

Declaration
public virtual void AddToGraphicsPath(GraphicsPath path, bool forward)
Parameters
Type Name Description
System.Drawing.Drawing2D.GraphicsPath path
System.Boolean forward
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Approximate(Boolean, Double)

Implements Approximate(Boolean, Double)

Declaration
public virtual ICurve2D Approximate(bool linesOnly, double maxError)
Parameters
Type Name Description
System.Boolean linesOnly
System.Double maxError
Returns
Type Description
ICurve2D
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Clone()

Implements Clone()

Declaration
public abstract ICurve2D Clone()
Returns
Type Description
ICurve2D
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CloneReverse(Boolean)

Implements CloneReverse(Boolean)

Declaration
public virtual ICurve2D CloneReverse(bool reverse)
Parameters
Type Name Description
System.Boolean reverse
Returns
Type Description
ICurve2D
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Copy(ICurve2D)

Implements Copy(ICurve2D)

Declaration
public abstract void Copy(ICurve2D toCopyFrom)
Parameters
Type Name Description
ICurve2D toCopyFrom
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DirectionAt(Double)

Declaration
public virtual GeoVector2D DirectionAt(double Position)
Parameters
Type Name Description
System.Double Position
Returns
Type Description
GeoVector2D
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Distance(GeoPoint2D)

Implements Distance(GeoPoint2D)

Declaration
public virtual double Distance(GeoPoint2D p)
Parameters
Type Name Description
GeoPoint2D p
Returns
Type Description
System.Double
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GetArea()

Implements GetArea()

Declaration
public virtual double GetArea()
Returns
Type Description
System.Double
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GetAreaFromPoint(GeoPoint2D)

Implements GetAreaFromPoint(GeoPoint2D)

Declaration
public virtual double GetAreaFromPoint(GeoPoint2D p)
Parameters
Type Name Description
GeoPoint2D p
Returns
Type Description
System.Double
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GetExtendedHitTest()

Implements GetExtendedHitTest()

Declaration
public virtual IQuadTreeInsertable GetExtendedHitTest()
Returns
Type Description
IQuadTreeInsertable
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GetExtent()

Declaration
public virtual BoundingRect GetExtent()
Returns
Type Description
BoundingRect
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GetFused(ICurve2D, Double)

Implements GetFused(ICurve2D, Double)

Declaration
public virtual ICurve2D GetFused(ICurve2D toFuseWith, double precision)
Parameters
Type Name Description
ICurve2D toFuseWith
System.Double precision
Returns
Type Description
ICurve2D
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GetInflectionPoints()

Implements GetInflectionPoints()

Declaration
public virtual double[] GetInflectionPoints()
Returns
Type Description
System.Double[]
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GetModified(ModOp2D)

Implements GetModified(ModOp2D)

Declaration
public virtual ICurve2D GetModified(ModOp2D m)
Parameters
Type Name Description
ModOp2D m
Returns
Type Description
ICurve2D
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GetSelfIntersections()

Implements GetSelfIntersections()

Declaration
public virtual double[] GetSelfIntersections()
Returns
Type Description
System.Double[]
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HitTest(ref BoundingRect, Boolean)

Declaration
public virtual bool HitTest(ref BoundingRect Rect, bool IncludeControlPoints)
Parameters
Type Name Description
BoundingRect Rect
System.Boolean IncludeControlPoints
Returns
Type Description
System.Boolean
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Intersect(ICurve2D)

Implements Intersect(ICurve2D)

Declaration
public virtual GeoPoint2DWithParameter[] Intersect(ICurve2D IntersectWith)
Parameters
Type Name Description
ICurve2D IntersectWith
Returns
Type Description
GeoPoint2DWithParameter[]
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Intersect(GeoPoint2D, GeoPoint2D)

Implements Intersect(GeoPoint2D, GeoPoint2D)

Declaration
public virtual GeoPoint2DWithParameter[] Intersect(GeoPoint2D StartPoint, GeoPoint2D EndPoint)
Parameters
Type Name Description
GeoPoint2D StartPoint
GeoPoint2D EndPoint
Returns
Type Description
GeoPoint2DWithParameter[]
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IsParameterOnCurve(Double)

Implements IsParameterOnCurve(Double)

Declaration
public virtual bool IsParameterOnCurve(double par)
Parameters
Type Name Description
System.Double par
Returns
Type Description
System.Boolean
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IsValidParameter(Double)

Implements IsValidParameter(Double)

Declaration
public virtual bool IsValidParameter(double par)
Parameters
Type Name Description
System.Double par
Returns
Type Description
System.Boolean
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MakeGeoObject(Plane)

Implements MakeGeoObject(Plane)

Declaration
public virtual IGeoObject MakeGeoObject(Plane p)
Parameters
Type Name Description
Plane p
Returns
Type Description
IGeoObject
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MinDistance(ICurve2D)

Implements MinDistance(ICurve2D)

Declaration
public virtual double MinDistance(ICurve2D Other)
Parameters
Type Name Description
ICurve2D Other
Returns
Type Description
System.Double
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MinDistance(GeoPoint2D)

Implements MinDistance(GeoPoint2D)

Declaration
public virtual double MinDistance(GeoPoint2D p)
Parameters
Type Name Description
GeoPoint2D p
Returns
Type Description
System.Double
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Move(Double, Double)

Implements Move(Double, Double)

Declaration
public virtual void Move(double x, double y)
Parameters
Type Name Description
System.Double x
System.Double y
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Parallel(Double, Boolean, Double, Double)

Implements Parallel(Double, Boolean, Double, Double)

Declaration
public virtual 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
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PerpendicularFoot(GeoPoint2D)

Implements PerpendicularFoot(GeoPoint2D)

Declaration
public virtual GeoPoint2D[] PerpendicularFoot(GeoPoint2D FromHere)
Parameters
Type Name Description
GeoPoint2D FromHere
Returns
Type Description
GeoPoint2D[]
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PointAt(Double)

Declaration
public virtual GeoPoint2D PointAt(double Position)
Parameters
Type Name Description
System.Double Position
Returns
Type Description
GeoPoint2D
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PositionAtLength(Double)

Implements PositionAtLength(Double)

Declaration
public virtual double PositionAtLength(double position)
Parameters
Type Name Description
System.Double position
Returns
Type Description
System.Double
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PositionOf(GeoPoint2D)

Declaration
public virtual double PositionOf(GeoPoint2D p)
Parameters
Type Name Description
GeoPoint2D p
Returns
Type Description
System.Double
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Project(Plane, Plane)

Implements Project(Plane, Plane)

Declaration
public virtual ICurve2D Project(Plane fromPlane, Plane toPlane)
Parameters
Type Name Description
Plane fromPlane
Plane toPlane
Returns
Type Description
ICurve2D
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ReinterpretParameter(ref Double)

Implements ReinterpretParameter(ref Double)

Declaration
public virtual bool ReinterpretParameter(ref double p)
Parameters
Type Name Description
System.Double p
Returns
Type Description
System.Boolean
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Reverse()

Implements Reverse()

Declaration
public virtual void Reverse()
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Split(Double)

Implements Split(Double)

Declaration
public abstract ICurve2D[] Split(double Position)
Parameters
Type Name Description
System.Double Position
Returns
Type Description
ICurve2D[]
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TangentPoints(GeoPoint2D, GeoPoint2D)

Implements TangentPoints(GeoPoint2D, GeoPoint2D)

Declaration
public virtual GeoPoint2D[] TangentPoints(GeoPoint2D FromHere, GeoPoint2D CloseTo)
Parameters
Type Name Description
GeoPoint2D FromHere
GeoPoint2D CloseTo
Returns
Type Description
GeoPoint2D[]
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TangentPointsToAngle(Angle, GeoPoint2D)

Implements TangentPointsToAngle(Angle, GeoPoint2D)

Declaration
public virtual GeoPoint2D[] TangentPointsToAngle(Angle ang, GeoPoint2D CloseTo)
Parameters
Type Name Description
Angle ang
GeoPoint2D CloseTo
Returns
Type Description
GeoPoint2D[]
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TangentPointsToAngle(GeoVector2D)

Implements TangentPointsToAngle(GeoVector2D)

Declaration
public virtual double[] TangentPointsToAngle(GeoVector2D direction)
Parameters
Type Name Description
GeoVector2D direction
Returns
Type Description
System.Double[]
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Trim(Double, Double)

Implements Trim(Double, Double)

Declaration
public virtual ICurve2D Trim(double StartPos, double EndPos)
Parameters
Type Name Description
System.Double StartPos
System.Double EndPos
Returns
Type Description
ICurve2D
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TryPointDeriv2At(Double, out GeoPoint2D, out GeoVector2D, out GeoVector2D)

Implements TryPointDeriv2At(Double, out GeoPoint2D, out GeoVector2D, out GeoVector2D)

Declaration
public virtual bool TryPointDeriv2At(double position, out GeoPoint2D point, out GeoVector2D deriv, out GeoVector2D deriv2)
Parameters
Type Name Description
System.Double position
GeoPoint2D point
GeoVector2D deriv
GeoVector2D deriv2
Returns
Type Description
System.Boolean

Implements