Inverse Fisher Transform Stochastic Oscillator - IFT

Hi,

i have one oscilator on thinkorswim that i would like to use on ctrader.

Is there anyone who can translate it to that language?

#
# TD Ameritrade IP Company, Inc. (c) 2012-2015
#
declare lower;
input price = close;
input length = 30;
input slowingLength = 5;
input over_bought = 60;
input over_sold = 30;
def rainbow = reference RainbowAverage(price = price, averageType = AverageType.WEIGHTED);
plot Stochastic = sum(rainbow - Lowest(rainbow, length), slowingLength) / (sum(Highest(rainbow, length) - Lowest(rainbow, length), slowingLength) + 0.0001) * 100;
def normStochRainbow = 0.1 * (Stochastic - 50);
plot IFT = 100 / (1 + exp(-2 * normStochRainbow));
plot OverBought = over_bought;
plot OverSold = over_sold;
Stochastic.SetDefaultColor(GetColor (1));
IFT.SetDefaultColor(GetColor(2));
OverBought.setDefaultColor(GetColor (5));
OverSold.setDefaultColor(GetColor(5 ));