EllipticalAnnulusSection.CreateEllipticalArc Method

EllipticalAnnulusSection CreateEllipticalArc Method

Cognex VisionPro 9.24

Create a new elliptical arc (copying the specified parameters) from this annulus section. The arc is specified as a radial fraction between the start and end arcs. For example, specify 0 for the start arc, 0.5 for the center arc, and 1 for the end arc.

Namespace: Cognex.Vision
Assembly: Cognex.Vision.Core.Net (in Cognex.Vision.Core.Net.dll) Version: 9.24.0.0

Syntax

C++

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public EllipticalArc CreateEllipticalArc(
	double radialFraction,
	CopyShapeConstants copyFlags
)

public EllipticalArc CreateEllipticalArc(
	double radialFraction,
	CopyShapeConstants copyFlags
)

Public Function CreateEllipticalArc ( 
	radialFraction As Double,
	copyFlags As CopyShapeConstants
) As EllipticalArc

Public Function CreateEllipticalArc ( 
	radialFraction As Double,
	copyFlags As CopyShapeConstants
) As EllipticalArc

public:
EllipticalArc^ CreateEllipticalArc(
	double radialFraction, 
	CopyShapeConstants copyFlags
)

public:
EllipticalArc^ CreateEllipticalArc(
	double radialFraction, 
	CopyShapeConstants copyFlags
)

Parameters

radialFraction: Type: System Double
Specifies the arc in relation to the section. Specify zero for the start arc, 0.5 for the center arc, and 1.0 for the end arc, or other values for intermediate arcs.

copyFlags: Type: Cognex.Vision CopyShapeConstants
Specify which attributes of the shape to copy to the new shape.

Return Value

Type: EllipticalArc

The new elliptical arc.

Exceptions

Exception	Condition
ArgumentException	(1 + radialFraction * ( RadialScale − 1)) <= 0

Remarks

Creates a new EllipticalArc based on this elliptical annulus section as defined by the radial fraction between the start and end arcs. Specify zero for the start arc, 0.5 for the center arc, and 1.0 for the end arc. copyFlags specifies which aspects of the arc are copied to the new shape. Although you can specify radialFraction values less than zero or greater than 1, this function will return an error if the resulting radii would be less than or equal to zero.