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CvInvokeCircle Method
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Draws a simple or filled circle with given center and radius. The circle is clipped by ROI rectangle.

Namespace: Emgu.CV
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 3.1.0.2282 (3.1.0.2282)
Syntax
public static void Circle(
	IInputOutputArray img,
	Point center,
	int radius,
	MCvScalar color,
	int thickness = 1,
	LineType lineType = LineType.EightConnected,
	int shift = 0
)

Parameters

img
Type: Emgu.CVIInputOutputArray
Image where the circle is drawn
center
Type: System.DrawingPoint
Center of the circle
radius
Type: SystemInt32
Radius of the circle.
color
Type: Emgu.CV.StructureMCvScalar
Color of the circle
thickness (Optional)
Type: SystemInt32
Thickness of the circle outline if positive, otherwise indicates that a filled circle has to be drawn
lineType (Optional)
Type: Emgu.CV.CvEnumLineType
Line type
shift (Optional)
Type: SystemInt32
Number of fractional bits in the center coordinates and radius value
See Also