d3.scaleIdentity() Constructs a new identity scale with the unit

d3.scaleTime() Constructs a new time scale with the domain

point.domain([domain]) If domain is specified, sets the domain to the specified array of values. The first element

d3.scaleSqrt() Constructs a new continuous

time.interpolate(interpolate) See

d3.scaleLinear() Constructs a new continuous scale with the

ordinal.copy() Returns an exact copy of this ordinal scale. Changes to this scale will not affect the returned scale, and vice

pow.copy() See continuous.copy

quantile.range([range]) If range is specified, sets the discrete values in the range. The array must not be

quantize.invertExtent(value) Returns the extent of values in the