-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=67335 --+------------------------------------------------------------------+ --| Copyright © 2019, 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 function Init() indicator:name("Leavitt Convolution"); indicator:description(""); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Period", "", 9, 1, 2000); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Up", "Up Line Color", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("Down", "Down 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 Period,Length; local first; local source = nil; local Projection; local Indicator1,Indicator2; -- Routine function Prepare(nameOnly) Period= instance.parameters.Period; Length=math.floor(math.sqrt(Period)); local Parameters= Period; local name = profile:id() .. "(" .. instance.source:name() .. ", " .. Parameters .. ")"; instance:name(name); if (nameOnly) then return; end assert(core.indicators:findIndicator("LEAVITT PROJECTION") ~= nil, "Please, download and install LEAVITT PROJECTION.LUA indicator"); source = instance.source; Indicator1 = core.indicators:create("LEAVITT PROJECTION", source, Period); Indicator2 = core.indicators:create("LEAVITT PROJECTION", Indicator1.DATA, Length); first=Indicator2.DATA:first(); Projection = instance:addStream("Projection" , core.Line, "Projection","Projection",instance.parameters.Up, first+Period); Projection:setWidth(instance.parameters.width); Projection:setStyle(instance.parameters.style); Projection:setPrecision(math.max(2, source:getPrecision())); end -- Indicator calculation routine function Update(period, mode) Indicator1:update(mode); Indicator2:update(mode); if period < first then return; end Projection[period]=Indicator2.DATA[period]; if Projection[period] > Projection[period-1] then Projection:setColor(period, instance.parameters.Up); else Projection:setColor(period, instance.parameters.Down); end end