Description
A full circle is defined by its CenterPoint and its Radius.

Circle is drawn in the plane that is defined by CenterPoint and ExtrusionVector.
Remarks
Ways to design a circle:
Center,Radius
| With this method user sets the center point and the radius of the circle | 
 | 
2 Points
| With this method user sets two opposite points of the circle.Basically the two points define the diameter of the circle(position and size). | 
 | 
3 Points
| With this method user sets three points that belong to the circle. | 
 |