-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=70732 --+------------------------------------------------------------------------------------------------+ --| Copyright © 2022, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --| https://AppliedMachineLearning.systems | --| https://mario-jemic.com/ | --+------------------------------------------------------------------------------------------------+ --+------------------------------------------------------------------------------------------------+ --| Our work would not be possible without your support. | --+------------------------------------------------------------------------------------------------+ --| Paypal: https://goo.gl/9Rj74e | --| Patreon : https://goo.gl/GdXWeN | --+------------------------------------------------------------------------------------------------+ --+------------------------------------------------------------------------------------------------+ --|BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --|Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --|SOL Address : 4tJXw7JfwF3KUPSzrTm1CoVq6Xu4hYd1vLk3VF2mjMYh | --|Cardano/ADA : addr1v868jza77crzdc87khzpppecmhmrg224qyumud6utqf6f4s99fvqv | --|Dogecoin Address : DBGXP1Nc18ZusSRNsj49oMEYFQgAvgBVA8 | --|SHIB Address : 0x1817D9ebb000025609Bf5D61E269C64DC84DA735 | --|Binance(ERC20 & BSC only) : 0xe84751063de8ade7c5fbff5e73f6502f02af4e2c | --|BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --|LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------------------------------------+ -- Indicator profile initialization routine function Init() indicator:name("Trend Direction Force Index"); indicator:description(""); indicator:requiredSource(core.Tick); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Length", "Length", "", 10, 1, 2000); indicator.parameters:addBoolean("Signal", "Signal Line", "", true); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("color", "Line Color", "", core.rgb(255, 0, 0)); indicator.parameters:addInteger("style", "Line Style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LEVEL_STYLE); indicator.parameters:addInteger("width", "Line Width", "", 3, 1, 5); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- Parameters block local Length; local first; local source = nil; local Oscillator; local EMA1, EMA2; -- Routine function Prepare(nameOnly) Length= instance.parameters.Length; Signal= instance.parameters.Signal; local Parameters= Length; local name = profile:id() .. "(" .. instance.source:name() .. ", " .. Parameters .. ")"; instance:name(name); if (nameOnly) then return; end source = instance.source; EMA1 = core.indicators:create("EMA", source, Length/2); EMA2 = core.indicators:create("EMA", EMA1.DATA, Length/2); first=EMA2.DATA:first(); Average= instance:addInternalStream(0, 0); tdf= instance:addInternalStream(0, 0); tdfabs= instance:addInternalStream(0, 0); if Signal then tdfi= instance:addInternalStream(0, 0); Oscillator = instance:addStream("Oscillator" , core.Line, " Oscillator"," Oscillator",instance.parameters.color, first ); Oscillator:setWidth(instance.parameters.width); Oscillator:setStyle(instance.parameters.style); Oscillator:setPrecision(math.max(2, source:getPrecision())); else Oscillator= instance:addInternalStream(0, 0); tdfi = instance:addStream("tdfi" , core.Line, " tdfi"," tdfi",instance.parameters.color, first ); tdfi:setWidth(instance.parameters.width); tdfi:setStyle(instance.parameters.style); tdfi:setPrecision(math.max(2, source:getPrecision())); end end -- Indicator calculation routine function Update(period, mode) EMA1:update(mode); EMA2:update(mode); if period <= first then return; end local ema1Diff = EMA1.DATA[period] - EMA1.DATA[period-1]; local ema2Diff = EMA2.DATA[period] - EMA2.DATA[period-1]; local emaDiffAvg = (ema1Diff + ema2Diff) / 2; tdf[period] = math.abs(EMA1.DATA[period] - EMA2.DATA[period]) * math.pow(emaDiffAvg, 3); tdfabs[period]=math.abs(tdf[period]); if period <= Length * 3 then return; end local tdfh = mathex.max( tdfabs, period-Length * 3+1, period) if tdfh~= 0 then tdfi[period]=tdf[period]/tdfh; else tdfi[period]=0; end if tdfi[period] > 0 then Oscillator[period ]= 1; else Oscillator[period ]= -1; end end --[[ ema1 = ema(src * 1000, length / 2) ema2 = ema(ema1, length / 2) ema1Diff = ema1 - ema1[1] ema2Diff = ema2 - ema2[1] emaDiffAvg = (ema1Diff + ema2Diff) / 2 tdf = abs(ema1 - ema2) * pow(emaDiffAvg, 3) tdfh = highest(abs(tdf), length * 3) tdfi = tdfh != 0 ? tdf / tdfh : 0 ]] --+------------------------------------------------------------------------------------------------+ --| We appreciate your support. | --+------------------------------------------------------------------------------------------------+ --| Paypal: https://goo.gl/9Rj74e | --| Patreon : https://goo.gl/GdXWeN | --+------------------------------------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --| https://AppliedMachineLearning.systems | --| https://mario-jemic.com/ | --+------------------------------------------------------------------------------------------------+