area.x1([x]) If x is specified, sets the x1 accessor to the specified function or number and returns this area
arc(arguments…) Generates an arc for the given arguments. The arguments are arbitrary; they are simply propagated
line.x([x]) If x is specified, sets the x accessor to the specified function or number and returns this line
d3.curveCatmullRomOpen(context)
area.lineX1() Returns a new line generator that has this area generator’s
radialLine.curve([curve]) Equivalent to line
arc.padRadius([radius]) If radius is specified, sets the pad radius to the specified function or number and
arc.centroid(arguments…) Computes the midpoint [x, y] of the center line of the arc that would be
pie.sortValues([compare]) If compare is specified, sets the value comparator to the specified function and
d3.curveLinear(context)
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