Pie
Aesthetic mappings supported by geomPie().
Parameters
X-axis value.
Y-axis value.
Values associated to pie sectors.
Values to explode slices away from their center point, detaching it from the main pie.
Pie diameter.
Transparency level of a layer. Understands numbers between 0 and 1.
Color of inner and outer arcs of pie sector. For more info see: aesthetics.html#color-and-fill.
Width of inner and outer arcs of pie sector.
Grouping key. If not set, grouping may be inferred from other aesthetics (e.g., color, size).
Used by Stat.count2d() stat to compute weighted sum instead of simple count.
Fill color. For more info see: aesthetics.html#color-and-fill.
Auxiliary paint channel A that can be used as either color or fill as needed. Map a variable here for composite/multi-channel color with a matching scale.
Auxiliary paint channel B. See paint_a.
Auxiliary paint channel C. See paint_a.