-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=3415 --+------------------------------------------------------------------+ --| 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("Historic ATR Range "); indicator:description("Historic ATR Range"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Period", "Period", 14); indicator.parameters:addInteger("Multiple", "Multiple", "Multiple", 2); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Top_color", "Color of Top", "Color of Top", core.rgb(255, 0, 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("Bottom_color", "Color of Bottom", "Color of Bottom", 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 Period; local Multiple; local ATR; local first; local source = nil; -- Streams block local Top = nil; local Bottom = nil; -- Routine function Prepare(nameOnly) Period = instance.parameters.Period; Multiple = instance.parameters.Multiple; source = instance.source; local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(Period) .. ", " .. tostring(Multiple) .. ")"; instance:name(name); if (nameOnly) then return; end ATR= core.indicators:create("ATR", source, Period); first = ATR.DATA:first(); Top = instance:addStream("Top", core.Line, name .. ".Top", "Top", instance.parameters.Top_color, first); Top:setWidth(instance.parameters.width1); Top:setStyle(instance.parameters.style1); Bottom = instance:addStream("Bottom", core.Line, name .. ".Bottom", "Bottom", instance.parameters.Bottom_color, first); Bottom:setWidth(instance.parameters.width2); Bottom:setStyle(instance.parameters.style2); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) ATR:update(mode); if period < first then return; end Top[period] = source.open[period]+Multiple*ATR.DATA[period]; Bottom[period] = source.open[period]-Multiple*ATR.DATA[period]; end