-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=60117 -- Id: 10841 --+------------------------------------------------------------------+ --| 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("TrendQuality"); indicator:description("TrendQuality"); indicator:requiredSource(core.Tick); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("FastAvgLen", "Fast Period EMA", "Fast Period EMA", 7); indicator.parameters:addInteger("SlowAvgLen", "Slow Period EMA", "Slow Period EMA", 14); indicator.parameters:addInteger("M", "Scalar Trend Period ", "Scalar Trend Period ", 5); indicator.parameters:addInteger("N", "Scalar Nise Period", "Scalar Noise Period", 250); indicator.parameters:addInteger("Correction", "Scalar Correction Factor", "Scalar Correction Factor", 2); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("TQ_Up", "Color of Up TQ", "Color of TQ", core.rgb(0, 255, 0)); indicator.parameters:addColor("TQ_Down", "Color of Dwon TQ", "Color of TQ", core.rgb(255, 0, 0)); indicator.parameters:addColor("TrendColor", "Color of Dwon Trend", "Color of Trend", core.rgb(0, 0, 255)); indicator.parameters:addInteger("width", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE); indicator.parameters:addGroup("Levels"); indicator.parameters:addDouble("overbought1", "Overbought Level 1","", 2); indicator.parameters:addDouble("oversold1", "Oversold Level 1", "", -2 ); indicator.parameters:addInteger("level_overboughtsold_width1", "Over Bought / Over Sold Line Width 1", "", 1, 1, 5); indicator.parameters:addInteger("level_overboughtsold_style1", "Over Bought / Over Sold Line Style 1", "", core.LINE_SOLID); indicator.parameters:setFlag("level_overboughtsold_style1", core.FLAG_LEVEL_STYLE); indicator.parameters:addColor("level_overboughtsold_color1", "Over Bought / Over Sold Line Color 1", "", core.rgb(192, 192, 192)); indicator.parameters:addDouble("overbought2", "Overbought Level 2","", 5); indicator.parameters:addDouble("oversold2", "Oversold Level 2", "", -5 ); indicator.parameters:addInteger("level_overboughtsold_width2", "Over Bought / Over Sold Line Width 2", "", 1, 1, 5); indicator.parameters:addInteger("level_overboughtsold_style2", "Over Bought / Over Sold Line Style 2", "", core.LINE_SOLID); indicator.parameters:setFlag("level_overboughtsold_style2", core.FLAG_LEVEL_STYLE); indicator.parameters:addColor("level_overboughtsold_color2", "Over Bought / Over Sold Line Color 2", "", core.rgb(192, 192, 192)); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- TODO: Refine the first period calculation for each of the output streams. -- TODO: Calculate all constants, create instances all subsequent indicators and load all required libraries -- Parameters block local FastAvgLen; local SlowAvgLen; local M; local N; local Correction; local first; local source = nil; local LPF1, LPF2; local CPC,Trend,DT,Average; -- Streams block local TQ = nil; local Reversals,DC; local T; -- Routine function Prepare(nameOnly) FastAvgLen = instance.parameters.FastAvgLen; SlowAvgLen = instance.parameters.SlowAvgLen; M = instance.parameters.M; N = instance.parameters.N; Correction = instance.parameters.Correction; source = instance.source; local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(FastAvgLen) .. ", " .. tostring(SlowAvgLen) .. ", " .. tostring(M) .. ", " .. tostring(N) .. ", " .. tostring(Correction) .. ")"; instance:name(name); if (not (nameOnly)) then LPF1 = core.indicators:create("EMA", source, FastAvgLen); LPF2 = core.indicators:create("EMA", source, SlowAvgLen); Reversals= instance:addInternalStream(0, 0); DC= instance:addInternalStream(0, 0); CPC= instance:addInternalStream(0, 0); Trend= instance:addInternalStream(0, 0); DT= instance:addInternalStream(0, 0); Average = core.indicators:create("MVA", DT, N); first = math.max(LPF1.DATA:first(),LPF2.DATA:first()); TQ = instance:addStream("TQ", core.Bar, name, "TQ", instance.parameters.TQ_Up, Average.DATA:first()); TQ:setPrecision(math.max(2, instance.source:getPrecision())); T = instance:addStream("T", core.Line, name, "Trend", instance.parameters.TrendColor, Average.DATA:first()); T:setPrecision(math.max(2, instance.source:getPrecision())); T:setWidth(instance.parameters.width); T:setStyle(instance.parameters.style); T:addLevel(instance.parameters.oversold1, instance.parameters.level_overboughtsold_style1, instance.parameters.level_overboughtsold_width1, instance.parameters.level_overboughtsold_color1); T:addLevel(instance.parameters.overbought1, instance.parameters.level_overboughtsold_style1, instance.parameters.level_overboughtsold_width1, instance.parameters.level_overboughtsold_color1); T:addLevel(instance.parameters.oversold2,instance.parameters.level_overboughtsold_style2,instance.parameters.level_overboughtsold_width2, instance.parameters.level_overboughtsold_color2); T:addLevel(instance.parameters.overbought2, instance.parameters.level_overboughtsold_style2,instance.parameters.level_overboughtsold_width2, instance.parameters.level_overboughtsold_color2); end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) LPF1:update(mode); LPF2:update(mode); if period < first then return; end Reversals[period]= LPF1.DATA[period] - LPF2.DATA[period]; DC[period] = source[period] - source[period-1] ; if core.crosses (Reversals, 0, period) then CPC[period]=0; Trend[period]=0; else CPC[period] = CPC[period-1] + DC[period] ; Trend[period] = CPC[period] * 1 / M + Trend[period-1] * ( 1 - ( 1 / M ) ) ; end DT[period]= CPC[period] - Trend[period] ; DT[period]=DT[period]*DT[period]; --Average( DT * DT, N ) Average:update(mode); if period < Average.DATA:first() then return; end local Noise = math.sqrt (Average.DATA[period] ) ; TQ[period]= Correction *( Trend[period] / Noise); if LPF1.DATA[period]>LPF2.DATA[period] then T[period]=1; else T[period]=-1; end if TQ[period]> TQ[period-1] then TQ:setColor(period, instance.parameters.TQ_Up); else TQ:setColor(period, instance.parameters.TQ_Down); end end