-- Id: 19774 -- More information about this indicator can be found at: --http://fxcodebase.com/code/viewtopic.php?f=17&t=65386 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("RSI midline Indicator"); indicator:description("RSI midline Indicator"); indicator:requiredSource(core.Tick); indicator:type(core.Oscillator); local colour = core.colors(); indicator.parameters:addInteger("RSIPeriod", "RSI Period", "", 14); indicator.parameters:addGroup("Channel Calculation"); 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:addInteger("Period", "Period", "", 20); indicator.parameters:addInteger("DeviationPeriod", "Deviation Period", "", 20); indicator.parameters:addDouble("DeviationMultiplier", "Deviation Multiplier", "", 2); indicator.parameters:addGroup("Line Style"); -- indicator.parameters:addColor("ZL_color", "Zero line color", "", colour.Yellow); indicator.parameters:addColor("MID_color", "Mid line color", "", colour.Gray); 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:addGroup("Channel Style"); indicator.parameters:addColor("TLC", "Top Line color", "", core.rgb(0, 200, 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("BLC", "Bottom Line Color", "", core.rgb(200, 0, 0)); 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); indicator.parameters:addColor("CLC", "Central Line Color", "", core.rgb(0, 0, 200)); indicator.parameters:addInteger("width4", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style4", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style4", core.FLAG_LINE_STYLE); end local RSIPeriod; local RSI; local first; local source = nil; local AVERAGES, Method, Period; -- Streams block local Top, Bottom, Central; local DeviationPeriod, DeviationMultiplier; -- Routine function Prepare(nameOnly) RSIPeriod = instance.parameters.RSIPeriod; Method= instance.parameters.Method; Period= instance.parameters.Period; DeviationPeriod= instance.parameters.DeviationPeriod; DeviationMultiplier= instance.parameters.DeviationMultiplier; source = instance.source; local name = profile:id() .. "(" .. source:name() .. ")"; instance:name(name); if (nameOnly) then return; end RSI = core.indicators:create("RSI", source, RSIPeriod); first = RSI.DATA:first(); mid=instance:addStream("MID", core.Line, name.."MID", "MID", instance.parameters.MID_color, first); mid:setPrecision(math.max(2, instance.source:getPrecision())); assert(core.indicators:findIndicator("AVERAGES") ~= nil, "Please, download and install AVERAGES.LUA indicator"); AVERAGES = core.indicators:create("AVERAGES", mid, Method,Period); Top=instance:addStream("Top", core.Line, name, "Top", instance.parameters.TLC, AVERAGES.DATA:first() +DeviationPeriod); Top:setPrecision(math.max(2, instance.source:getPrecision())); Bottom=instance:addStream("Bottom", core.Line, name, "Bottom", instance.parameters.BLC, AVERAGES.DATA:first() +DeviationPeriod); Bottom:setPrecision(math.max(2, instance.source:getPrecision())); Central=instance:addStream("Central", core.Line, name, "Central", instance.parameters.CLC, AVERAGES.DATA:first()); Central:setPrecision(math.max(2, instance.source:getPrecision())); Top:setWidth(instance.parameters.width2); Top:setStyle(instance.parameters.style2); Bottom:setWidth(instance.parameters.width3); Bottom:setStyle(instance.parameters.style3); Central:setWidth(instance.parameters.width4); Central:setStyle(instance.parameters.style4); mid:setWidth(instance.parameters.width1); mid:setStyle(instance.parameters.style1); end function Update(period,mode) if period < first or not source:hasData(period) then return; end RSI:update(mode); mid[period] = RSI.DATA[period]; AVERAGES:update(mode); if period < AVERAGES.DATA:first() then return; end Central[period]= AVERAGES.DATA[period]; local Deviation= mathex.stdev (mid, period-DeviationPeriod+1, period)*DeviationMultiplier; Top[period]= Central[period]+Deviation; Bottom[period]= Central[period]-Deviation; end