/// <summary> /// Estimates the apparent gamma of the tone curve using a least square fit to a /// pure exponent expression in the ƒ(x)=x^𝛾. /// </summary> /// <param name="precision">The maximum standard deviation allowed on the residuals.</param> /// <returns>The estimated gamma at the given precision, or -1 if the fitting has less precision.</returns> /// <exception cref="ObjectDisposedException"> /// The ToneCurve has already been disposed. /// </exception> /// <remarks> /// <para> /// A value of 0.01 is a fair value for <paramref name="precision"/>. Set to a large number to fit any /// curve no matter good the fit. /// </para> /// <para> /// The 𝛾 is estimated at the given precision. /// </para> /// </remarks> public double EstimateGamma(double precision) { EnsureNotClosed(); return(Interop.EstimateGamma(handle, precision)); }