Center x : y:
Radius for x :      Radius for y :     
Angle for point starting ( with horizontal line )      
Angle for point at the end ( with horizontal line ) 
Angle for ellipse axis with horizontal line:
Point starting x : y:
Point at the end x : y:

Type of data  center, radius and angles radius and points starting and at the end
Arc Less than 180-degrees More than 180-degrees Direction anticlockwise clockwise