Contents

symmetricLog(slopeAtZero:)

A number scale where each range value y can be expressed as a symmetric log function of the domain value x, with y = a * sign(x) * log(1 + |x * slopeAtZero|) + b.

Declaration

static func symmetricLog(slopeAtZero: Double) -> ScaleType

Parameters

  • slopeAtZero:

    A positive constant that controls the slope of the symmetric log function at zero.