-- Id: 10078 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=59583 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ -- Indicator profile initialization routine -- Defines indicator profile properties and indicator parameters -- TODO: Add minimal and maximal value of numeric parameters and default color of the streams function Init() indicator:name("Warren Momentum Indicator"); indicator:description("Warren Momentum Indicator"); indicator:requiredSource(core.Tick); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("L", "1. Period", "L", 4); indicator.parameters:addString("Method1", "MA Method", "Method" , "MVA"); indicator.parameters:addStringAlternative("Method1", "MVA", "MVA" , "MVA"); indicator.parameters:addStringAlternative("Method1", "EMA", "EMA" , "EMA"); indicator.parameters:addStringAlternative("Method1", "LWMA", "LWMA" , "LWMA"); indicator.parameters:addStringAlternative("Method1", "TMA", "TMA" , "TMA"); indicator.parameters:addStringAlternative("Method1", "SMMA", "SMMA" , "SMMA"); indicator.parameters:addStringAlternative("Method1", "KAMA", "KAMA" , "KAMA"); indicator.parameters:addStringAlternative("Method1", "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters:addStringAlternative("Method1", "WMA", "WMA" , "WMA"); indicator.parameters:addInteger("M", "2. Period", "M", 13); indicator.parameters:addString("Method2", "MA Method", "Method" , "MVA"); indicator.parameters:addStringAlternative("Method2", "MVA", "MVA" , "MVA"); indicator.parameters:addStringAlternative("Method2", "EMA", "EMA" , "EMA"); indicator.parameters:addStringAlternative("Method2", "LWMA", "LWMA" , "LWMA"); indicator.parameters:addStringAlternative("Method2", "TMA", "TMA" , "TMA"); indicator.parameters:addStringAlternative("Method2", "SMMA", "SMMA" , "SMMA"); indicator.parameters:addStringAlternative("Method2", "KAMA", "KAMA" , "KAMA"); indicator.parameters:addStringAlternative("Method2", "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters:addStringAlternative("Method2", "WMA", "WMA" , "WMA"); indicator.parameters:addInteger("N", "3. Period", "N", 13); indicator.parameters:addString("Method3", "MA Method", "Method" , "MVA"); indicator.parameters:addStringAlternative("Method3", "MVA", "MVA" , "MVA"); indicator.parameters:addStringAlternative("Method3", "EMA", "EMA" , "EMA"); indicator.parameters:addStringAlternative("Method3", "LWMA", "LWMA" , "LWMA"); indicator.parameters:addStringAlternative("Method3", "TMA", "TMA" , "TMA"); indicator.parameters:addStringAlternative("Method3", "SMMA", "SMMA" , "SMMA"); indicator.parameters:addStringAlternative("Method3", "KAMA", "KAMA" , "KAMA"); indicator.parameters:addStringAlternative("Method3", "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters:addStringAlternative("Method3", "WMA", "WMA" , "WMA"); indicator.parameters:addInteger("S", "Signal Line Period", "Signal", 4); indicator.parameters:addString("Method4", "MA Method", "Method" , "MVA"); indicator.parameters:addStringAlternative("Method4", "MVA", "MVA" , "MVA"); indicator.parameters:addStringAlternative("Method4", "EMA", "EMA" , "EMA"); indicator.parameters:addStringAlternative("Method4", "LWMA", "LWMA" , "LWMA"); indicator.parameters:addStringAlternative("Method4", "TMA", "TMA" , "TMA"); indicator.parameters:addStringAlternative("Method4", "SMMA", "SMMA" , "SMMA"); indicator.parameters:addStringAlternative("Method4", "KAMA", "KAMA" , "KAMA"); indicator.parameters:addStringAlternative("Method4", "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters:addStringAlternative("Method4", "WMA", "WMA" , "WMA"); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("WAMI_color", "Color of WAMI", "Color of WAMI", core.rgb(0, 255, 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("Signal_color", "Color of Signal", "Color of Signal", core.rgb(255, 0, 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); 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 L; local M; local N; local S; local Method4,Method3, Method2,Method1; local first; local source = nil; -- Streams block local WAMI = nil; local Signal = nil; local Difference; -- Routine function Prepare(nameOnly) L = instance.parameters.L; M = instance.parameters.M; N = instance.parameters.N; S = instance.parameters.S; Method4 = instance.parameters.Method4; Method3 = instance.parameters.Method3; Method2 = instance.parameters.Method2; Method1 = instance.parameters.Method1; source = instance.source; local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(L).. ", " .. tostring(Method1) .. ", " .. tostring(M).. ", " .. tostring(Method2) .. ", " .. tostring(N) .. ", " .. tostring(Method3) .. ", " .. tostring(S).. ", " .. tostring(Method4) .. ")"; instance:name(name); if (nameOnly) then return; end Difference = instance:addInternalStream(0, 0); assert(core.indicators:findIndicator(Method1) ~= nil, Method1 .. " indicator must be installed"); M1 = core.indicators:create(Method1,Difference, L); assert(core.indicators:findIndicator(Method2) ~= nil, Method2 .. " indicator must be installed"); M2 = core.indicators:create(Method2,M1.DATA, M); assert(core.indicators:findIndicator(Method3) ~= nil, Method3 .. " indicator must be installed"); M3 = core.indicators:create(Method3,M2.DATA, N); assert(core.indicators:findIndicator(Method4) ~= nil, Method4 .. " indicator must be installed"); M4 = core.indicators:create(Method4,M3.DATA, S); first = M3.DATA:first(); WAMI = instance:addStream("WAMI", core.Line, name .. ".WAMI", "WAMI", instance.parameters.WAMI_color, first); WAMI:setWidth(instance.parameters.width1); WAMI:setStyle(instance.parameters.style1); Signal = instance:addStream("Signal", core.Line, name .. ".Signal", "Signal", instance.parameters.Signal_color, M4.DATA:first()); WAMI:setWidth(instance.parameters.width2); WAMI:setStyle(instance.parameters.style2); WAMI:setPrecision(math.max(2, instance.source:getPrecision())); Signal:setPrecision(math.max(2, instance.source:getPrecision())); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) Difference[period]= source[period]-source[period-1]; M1:update(mode) M2:update(mode); M3:update(mode); M4:update(mode); if period < first then return; end WAMI[period]=M3.DATA[period]; if period < M4.DATA:first() then return; end Signal[period] = M4.DATA[period]; end