Ellipse(Point3d, Vector3d, Vector3d, Double, Double, Double) Constructor

Constructor for the Ellipse class. Creates an ellipse (or elliptical arc) with the passed parameters.

Namespace: Teigha.DatabaseServices
Assembly: TD_Mgd (in TD_Mgd.dll) Version: 24.2.0.0

Syntax

public Ellipse(
        Point3d center,
        Vector3d unitNormal,
        Vector3d majorAxis,
        double radiusRatio,
        double startAngle,
        double endAngle
)

Public Sub New ( 
        center As Point3d,
        unitNormal As Vector3d,
        majorAxis As Vector3d,
        radiusRatio As Double,
        startAngle As Double,
        endAngle As Double
)

public:
Ellipse(
        Point3d center, 
        Vector3d unitNormal, 
        Vector3d majorAxis, 
        double radiusRatio, 
        double startAngle, 
        double endAngle
)

new : 
        center : Point3d * 
        unitNormal : Vector3d * 
        majorAxis : Vector3d * 
        radiusRatio : float * 
        startAngle : float * 
        endAngle : float -> Ellipse

Parameters

center Point3d: [in] WCS center of this ellipse.
unitNormal Vector3d: [in] WCS unit normal to the plane on which this ellipse lies.
majorAxis Vector3d: [in] Major axis of this ellipse.
radiusRatio Double: [in] Ratio of minor radius to major radius. To construct a valid object, this parameter must not be less than 1E-6 or greater than 1.0.
startAngle Double: [in] Start angle.
endAngle Double: [in] End angle.

Remarks

All angles are expressed in radians. A closed ellipse entity must have (StartAngle = 0) and (EndAngle = Oda2PI) and (EndAngle - StartAngle) > 1e-6. The radius ratio must be in the range [1e-6 to 1.0]. The major axis must be perpendicular to the normal within 1e-6.

Reference

Ellipse Class

Ellipse Overload

Teigha.DatabaseServices Namespace