public void GetMinMax(float[] scalars, ExtremaMethod extremaMethod)
{
switch (extremaMethod)
{
case (ExtremaMethod.LocalExtrema):
oldMin = scalars.Min();
oldMax = scalars.Max();
break;
case (ExtremaMethod.GlobalExtrema):
// The user requested a custom global max, but didn't set one.
if (GlobalMax == float.NegativeInfinity || GlobalMin == float.PositiveInfinity)
{
Debug.LogWarning("Global extrema requested but not preset. Local extrema used instead");
GlobalMin = scalars.Min();
GlobalMax = scalars.Max();
}
oldMin = GlobalMin;
oldMax = GlobalMax;
break;
case (ExtremaMethod.RollingExtrema):
// If localMax > globalMax, replace globalMax
GlobalMax = Max(GlobalMax, scalars.Max());
GlobalMin = Min(GlobalMin, scalars.Min());
oldMin = GlobalMin;
oldMax = GlobalMax;
break;
}
}
private float[] RescaleArray(float[] scalars, ExtremaMethod extremaMethod)
{
oldMin = 0;
oldMax = 0;
GetMinMax(scalars, extremaMethod);
// Rescale based on extrema
scalars.RescaleArray(0f, (lutRes - 1), oldMin, oldMax);
return(scalars);
}
