-- Id: 8195 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=27877 --+------------------------------------------------------------------+ --| 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("Digital adaptive Moving Average"); indicator:description("Digital adaptive Moving Average"); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Period", "Period", 14); indicator.parameters:addDouble("Step", "Step", "Step", 2); indicator.parameters:addString("Method", "MA Method", "Method" , "MVA"); indicator.parameters:addStringAlternative("Method", "MVA", "MVA" , "MVA"); indicator.parameters:addStringAlternative("Method", "EMA", "EMA" , "EMA"); indicator.parameters:addStringAlternative("Method", "LWMA", "LWMA" , "LWMA"); indicator.parameters:addStringAlternative("Method", "TMA", "TMA" , "TMA"); indicator.parameters:addStringAlternative("Method", "SMMA", "SMMA" , "SMMA"); indicator.parameters:addStringAlternative("Method", "KAMA", "KAMA" , "KAMA"); indicator.parameters:addStringAlternative("Method", "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters:addStringAlternative("Method", "WMA", "WMA" , "WMA"); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("XMA_color_Up", "Color of XMA Up Slope", "Color of XMA", core.rgb(0, 255, 0)); indicator.parameters:addColor("XMA_color_Down", "Color of XMA Down Slope", "Color of XMA", core.rgb(255, 0, 0)); indicator.parameters:addColor("XMA_color_Neutral", "Color of XMA Neutral Slope", "Color of XMA", 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); 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 Period; local Method; local first; local source = nil; local Step; -- Streams block local XMA = nil; local MA; -- Routine function Prepare(nameOnly) Period = instance.parameters.Period; Method = instance.parameters.Method; source = instance.source; Step = instance.parameters.Step; local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(Period).. ", " .. tostring(Step).. ", " .. tostring(Method) .. ")"; instance:name(name); Step= Step*source:pipSize(); if (not (nameOnly)) then assert(core.indicators:findIndicator(Method) ~= nil, Method .. " indicator must be installed"); MA = core.indicators:create(Method, source, Period); first = MA.DATA:first(); XMA = instance:addStream("XMA", core.Line, name, "XMA", instance.parameters.XMA_color_Up, first); XMA:setWidth(instance.parameters.width); XMA:setStyle(instance.parameters.style); end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) MA:update(mode); if period < first then return; end if(math.abs(MA.DATA[period]-MA.DATA[period-1])>=Step) then XMA[period]=MA.DATA[period]; else XMA[period]=XMA[period-1]; end if XMA[period]> XMA[period-1] then XMA:setColor(period, instance.parameters.XMA_color_Up); elseif XMA[period]< XMA[period-1] then XMA:setColor(period, instance.parameters.XMA_color_Down); else XMA:setColor(period,instance.parameters.XMA_color_Neutral); end end