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

symbol.size([size]) If size is specified, sets the size to the specified function or number and returns this

radialLine.context([context]) Equivalent to

radialLine.angle([angle]) Equivalent to line

d3.stackOffsetNone(series, order) Applies a zero baseline.

d3.curveStepBefore(context)

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

curve.point(x, y) Indicates a new point in the current line segment with the given x- and y-values

d3.stackOffsetWiggle(series, order) Shifts the baseline so as to minimize the weighted wiggle of layers. This offset

radialLine.radius([radius]) Equivalent to line