-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=59406 --+------------------------------------------------------------------+ --| 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("Triple Extreme TMA line indicator"); indicator:description("Extreme TMA line indicator"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("TMA_Period", "TMA period", "", 56); indicator.parameters:addInteger("ATR_Period", "ATR period", "", 100); indicator.parameters:addDouble("ATR_Mult1", "1. ATR multiplier", "", 2); indicator.parameters:addDouble("ATR_Mult2", "2. ATR multiplier", "", 4); indicator.parameters:addDouble("ATR_Mult3", "3. ATR multiplier", "", 6); indicator.parameters:addDouble("TrendThreshold", "TrendThreshold", "", 0.5); indicator.parameters:addBoolean("ShowTMA", "Show TMA", "", true); indicator.parameters:addBoolean("Redraw", "Redraw", "", true); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("TMA_NEclr", "TMA neutral Color", "TMA neutral Color", core.rgb(128, 128, 128)); indicator.parameters:addColor("TMA_UPclr", "TMA UP Color", "TMA UP Color", core.rgb(0, 255, 0)); indicator.parameters:addColor("TMA_DNclr", "TMA DN Color", "TMA DN Color", core.rgb(255, 0, 0)); indicator.parameters:addInteger("TMAwidth", "TMA width", "TMA width", 2, 1, 5); indicator.parameters:addInteger("TMAstyle", "TMA style", "TMA style", core.LINE_SOLID); indicator.parameters:setFlag("TMAstyle", core.FLAG_LINE_STYLE); indicator.parameters:addColor("Bandclr1", "1. Band Color", "Band Color", core.rgb(128, 128, 0)); indicator.parameters:addColor("Bandclr2", "2. Band Color", "Band Color", core.rgb(128, 128, 0)); indicator.parameters:addColor("Bandclr3", "3. Band Color", "Band Color", core.rgb(128, 128, 0)); indicator.parameters:addInteger("Bandwidth", "Band width", "Band width", 1, 1, 5); indicator.parameters:addInteger("Bandstyle", "Band style", "Band style", core.LINE_DASH); indicator.parameters:setFlag("Bandstyle", core.FLAG_LINE_STYLE); end local first; local source = nil; local TMA_Period; local ATR_Period; local ATR_Mult1, ATR_Mult2, ATR_Mult3; local TrendThreshold; local ShowTMA; local Redraw; local TMA=nil; local ATR; local Upper1=nil; local Lower1=nil; local Upper2=nil; local Lower2=nil; local Upper3=nil; local Lower3=nil; function Prepare(nameOnly) source = instance.source; TMA_Period=instance.parameters.TMA_Period; ATR_Period=instance.parameters.ATR_Period; ATR_Mult1=instance.parameters.ATR_Mult1; ATR_Mult2=instance.parameters.ATR_Mult2; ATR_Mult3=instance.parameters.ATR_Mult3; TrendThreshold=instance.parameters.TrendThreshold; ShowTMA=instance.parameters.ShowTMA; Redraw=instance.parameters.Redraw; ATR=core.indicators:create("ATR", source, ATR_Period); first = math.max(source:first()+TMA_Period+1,ATR.DATA:first()) ; local name = profile:id() .. "(" .. source:name() .. ", " .. instance.parameters.TMA_Period .. ", " .. instance.parameters.ATR_Period .. ", " .. instance.parameters.ATR_Mult1 .. ", " .. instance.parameters.ATR_Mult2 .. ", " .. instance.parameters.ATR_Mult3 .. ", " .. instance.parameters.TrendThreshold .. ")"; instance:name(name); if (nameOnly) then return; end if ShowTMA then TMA = instance:addStream("TMA", core.Line, name .. ".TMA", "TMA", instance.parameters.TMA_NEclr, first); else TMA = instance:addInternalStream(first, 0); end TMA:setWidth(instance.parameters.TMAwidth); TMA:setStyle(instance.parameters.TMAstyle); Upper1 = instance:addStream("Upper1", core.Line, name .. "1. Upper", "1. Upper", instance.parameters.Bandclr1, first); Lower1 = instance:addStream("Lower1", core.Line, name .. "1. Lower", "1. Lower", instance.parameters.Bandclr1, first); Upper1:setWidth(instance.parameters.Bandwidth); Upper1:setStyle(instance.parameters.Bandstyle); Lower1:setWidth(instance.parameters.Bandwidth); Lower1:setStyle(instance.parameters.Bandstyle); Upper2 = instance:addStream("Upper2", core.Line, name .. "2. Upper", "2. Upper", instance.parameters.Bandclr2, first); Lower2 = instance:addStream("Lower2", core.Line, name .. "2. Lower", "2. Lower", instance.parameters.Bandclr2, first); Upper2:setWidth(instance.parameters.Bandwidth); Upper2:setStyle(instance.parameters.Bandstyle); Lower2:setWidth(instance.parameters.Bandwidth); Lower2:setStyle(instance.parameters.Bandstyle); Upper3 = instance:addStream("Upper3", core.Line, name .. "3. Upper", "3. Upper", instance.parameters.Bandclr3, first); Lower3 = instance:addStream("Lower3", core.Line, name .. "3. Lower", "3. Lower", instance.parameters.Bandclr3, first); Upper3:setWidth(instance.parameters.Bandwidth); Upper3:setStyle(instance.parameters.Bandstyle); Lower3:setWidth(instance.parameters.Bandwidth); Lower3:setStyle(instance.parameters.Bandstyle); end function Update(period, mode) ATR:update(mode); if (period0 do if not(LastPeriod) then ii=0; else ii=ii-1; end local Sum=0; local SumW=(TMA_Period+2)*(TMA_Period+1)/2; for i=0,TMA_Period,1 do Sum=Sum+(TMA_Period-i+1)*source.close[period-i]; if Redraw then if i<=source:size()-1-period and i>0 then Sum=Sum+(TMA_Period-i+1)*source.close[period+i]; SumW=SumW+(TMA_Period-i+1); end end end TMA[period]=Sum/SumW; local Slope=(TMA[period]-TMA[period-1])/(0.1*ATR.DATA[period]); if Slope>TrendThreshold then TMA:setColor(period,instance.parameters.TMA_UPclr); elseif Slope<-TrendThreshold then TMA:setColor(period,instance.parameters.TMA_DNclr); else TMA:setColor(period,instance.parameters.TMA_NEclr); end local range1=ATR.DATA[period]*ATR_Mult1; local range2=ATR.DATA[period]*ATR_Mult2; local range3=ATR.DATA[period]*ATR_Mult3; Upper1[period]=TMA[period]+range1; Lower1[period]=TMA[period]-range1; Upper2[period]=TMA[period]+range2; Lower2[period]=TMA[period]-range2; Upper3[period]=TMA[period]+range3; Lower3[period]=TMA[period]-range3; period=period-1; end end