Draw arc of ellipse in SVG
As in SVG angle positive is clockwise

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 
Arc Direction