PieParameters

Specify angle direction, 1=clockwise, -1=counter-clockwise.

A multiplicative factor applied to the pie diameter to draw donut-like chart. Understands numbers between 0 and 1.

Color for spacers between sectors. By default, the "paper" color is used. For more info see: aesthetics.html#color-and-fill.

Line width between sectors. Spacers are not applied to exploded sectors and to sides of adjacent sectors.

Specify the angle at which the first sector starts. Accept values between 0 and 360. Default is a negative angle of the first sector.

Defines which arcs of pie sector should have a stroke.