Circle/Ellipse
2-Point Radius Circle
Circle Centre
Enter coordinates to adjust the centre of the circle.
Radius
Enter a value to adjust the radius of the circle.
Points
This parameter defines the number of segments of the polygon that represents a 360° circle. For example, if you specify 60 points, then an arc point will be inserted every 6°.
Leave the Points parameter undefined if you want to generate a circle rather than a polygon.
Store circle centre
Select this option to store the coordinates that define the centre of the circle.
Preview
Click the Preview button to see a preview of the circle. If you are happy with the result, click OK. Otherwise adjust the parameters you have entered and preview again.