public override double Get(double x, double y, double z, double w, double u, double v)
{
double value = Source.Get(x, y, z, w, u, v);
// Apply brightness
value += Brightness.Get(x, y, z, w, u, v);
// Subtract contrastThreshold, scale by contrastFactor, add contrastThreshold
double threshold = ContrastThreshold.Get(x, y, z, w, u, v);
value -= threshold;
value *= ContrastFactor.Get(x, y, z, w, u, v);
value += threshold;
return(value);
}