pie.sortValues([compare]) If compare is specified, sets the value comparator to the specified function and

arc.centroid(arguments…) Computes the midpoint [x, y] of the center line of the arc that would be

arc(arguments…) Generates an arc for the given arguments. The arguments are arbitrary; they are simply propagated

arc.padRadius([radius]) If radius is specified, sets the pad radius to the specified function or number and

pie(data[, arguments…]) Generates a pie for the given array of data, returning an array of objects representing

radialArea.context([context]) Equivalent to

stack.value([value]) If value is specified, sets the value accessor to the specified function or number and

area.x1([x]) If x is specified, sets the x1 accessor to the specified function or number and returns this area

radialLine.curve([curve]) Equivalent to line

line.x([x]) If x is specified, sets the x accessor to the specified function or number and returns this line