radialLine.angle([angle]) Equivalent to line

area.y([y]) If y is specified, sets y0

d3.curveStep(context)

d3.symbols An array containing the set of all built-in symbol types:

arc.cornerRadius([radius]) If radius is specified, sets the corner radius to the specified function or number

d3.stackOrderNone(series) Returns the given series order [0, 1, … n - 1] where n is the number of elements

bundle.beta(beta) Returns a bundle curve with the specified beta in the range [0, 1], representing the bundle

arc.outerRadius([radius]) If radius is specified, sets the outer radius to the specified function or number

area.x0([x]) If x is specified, sets the x0 accessor to the specified function or number and returns this area

line.curve([curve]) If curve is specified, sets the curve