-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=66888 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Averages Bollinger Bands"); indicator:description("Original Bollinger Bands with an Averages instead of a simple ma"); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addDouble("N", "Number of periods", "Number of periods", 20.0); indicator.parameters:addDouble("Dev", "Number of standard deviations", "Number of standard deviations", 2.0); indicator.parameters:addString("Method", "Method", "", "MVA"); indicator.parameters:addStringAlternative("Method", "MVA", "", "MVA"); indicator.parameters:addStringAlternative("Method", "EMA", "", "EMA"); indicator.parameters:addStringAlternative("Method", "Wilder", "", "Wilder"); indicator.parameters:addStringAlternative("Method", "LWMA", "", "LWMA"); indicator.parameters:addStringAlternative("Method", "SineWMA", "", "SineWMA"); indicator.parameters:addStringAlternative("Method", "TriMA", "", "TriMA"); indicator.parameters:addStringAlternative("Method", "LSMA", "", "LSMA"); indicator.parameters:addStringAlternative("Method", "SMMA", "", "SMMA"); indicator.parameters:addStringAlternative("Method", "HMA", "", "HMA"); indicator.parameters:addStringAlternative("Method", "ZeroLagEMA", "", "ZeroLagEMA"); indicator.parameters:addStringAlternative("Method", "DEMA", "", "DEMA"); indicator.parameters:addStringAlternative("Method", "T3", "", "T3"); indicator.parameters:addStringAlternative("Method", "ITrend", "", "ITrend"); indicator.parameters:addStringAlternative("Method", "Median", "", "Median"); indicator.parameters:addStringAlternative("Method", "GeoMean", "", "GeoMean"); indicator.parameters:addStringAlternative("Method", "REMA", "", "REMA"); indicator.parameters:addStringAlternative("Method", "ILRS", "", "ILRS"); indicator.parameters:addStringAlternative("Method", "IE/2", "", "IE/2"); indicator.parameters:addStringAlternative("Method", "TriMAgen", "", "TriMAgen"); indicator.parameters:addStringAlternative("Method", "JSmooth", "", "JSmooth"); indicator.parameters:addStringAlternative("Method", "KAMA", "", "KAMA"); indicator.parameters:addStringAlternative("Method", "ARSI", "", "ARSI"); indicator.parameters:addStringAlternative("Method", "VIDYA", "", "VIDYA"); -- indicator.parameters:addStringAlternative("Method", "HPF", "", "HPF"); -- indicator.parameters:addStringAlternative("Method", "VAMA", "", "VAMA"); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("clrBBP", "Top Line Color", "Line Color", core.rgb(255, 0, 0)); indicator.parameters:addInteger("width1", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style1", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style1", core.FLAG_LINE_STYLE); indicator.parameters:addColor("clrBBM", "Bottom Line Color", "Line Color", core.rgb(0, 255, 0)); indicator.parameters:addInteger("width2", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style2", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style2", core.FLAG_LINE_STYLE); indicator.parameters:addColor("clrBBA", "Cental Line Color", "Line Color", core.rgb(0, 0, 255)); indicator.parameters:addInteger("width3", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style3", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style3", core.FLAG_LINE_STYLE); end local N; local D; local first; local source = nil; local TL = nil; local BL = nil; local MA=nil; local Method; -- Routine function Prepare(nameOnly) N = instance.parameters.N; D = instance.parameters.Dev; Method = instance.parameters.Method; source = instance.source; local name = "Bollinger Bands with Averages (" .. N .. ", " .. D .. ", " .. Method.. ")"; instance:name(name); if (nameOnly) then return; end assert(core.indicators:findIndicator("AVERAGES") ~= nil, "Please, download and install AVERAGES.LUA indicator"); MA = core.indicators:create("AVERAGES", source,Method, N); first = source:first()+N-1; TL = instance:addStream("TL", core.Line, name .. ".TL", "TL", instance.parameters.clrBBP, first); TL:setWidth(instance.parameters.width1); TL:setStyle(instance.parameters.style1); BL = instance:addStream("BL", core.Line, name .. ".BL", "BL", instance.parameters.clrBBM, first); BL:setWidth(instance.parameters.width2); BL:setStyle(instance.parameters.style2); AL = instance:addStream("AL", core.Line, name .. ".AL", "AL", instance.parameters.clrBBA, first); AL:setWidth(instance.parameters.width3); AL:setStyle(instance.parameters.style3); end -- Indicator calculation routine function Update(period,mode) MA:update(mode); if(period < first) then return; end local ml=MA.DATA[period]; local d = mathex.stdev(source, period-N+1, period); TL[period] = ml + D * d; BL[period] = ml - D * d; AL[period] = ml; end