-- Id: 20083 -- More information about this indicator can be found at: --http://fxcodebase.com/code/viewtopic.php?f=17&t=65510 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Detrended Price Oscillator (DPO)"); indicator:description("Detrended Price Oscillator (DPO)"); indicator:requiredSource(core.Tick); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("N", "Period", "Period", 14); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("clrDPO", "Color of DPO", "Color of DPO", core.rgb(0, 255, 0)); 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 local first; local source = nil; local MA; local N; local Shift; function Prepare(nameOnly) source = instance.source; N=instance.parameters.N; local name = profile:id() .. "(" .. source:name() .. ", " .. N .. ")"; instance:name(name); if (nameOnly) then return; end Shift = (N / 2 + 1); MA = core.indicators:create("MVA", source, N); first = MA.DATA:first()+Shift; DPO = instance:addStream("DPO", core.Line, name .. ".DPO", "DPO", instance.parameters.clrDPO, first+Shift); DPO:setWidth(instance.parameters.width); DPO:setStyle(instance.parameters.style); DPO:setPrecision(math.max(2, instance.source:getPrecision())); end function Update(period, mode) MA:update(mode); if (period