-- Id: 7558 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=24005 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Patreon : https://goo.gl/GdXWeN | --| Paypal : https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("REX Indicator"); indicator:description("REX Indicator"); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("SP", "Smoothing Period", "Smoothing Period", 14); indicator.parameters:addInteger("SS", "Signal Period", "Signal Period", 14); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("REX_color", "Color of REX", "Color of REX", 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); indicator.parameters:addColor("SIGNAL_color", "Color of SIGNAL", "Color of SIGNAL", core.rgb(255, 0, 0)); indicator.parameters:addInteger("Swidth", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("Sstyle", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("Sstyle", 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 SP; local SS; local first; local source = nil; -- Streams block local REX = nil; local SIGNAL = nil; local TVB; -- Routine function Prepare(nameOnly) SP = instance.parameters.SP; SS = instance.parameters.SS; source = instance.source; first = source:first(); local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(SP) .. ", " .. tostring(SS) .. ")"; instance:name(name); if (not (nameOnly)) then TVB=instance:addInternalStream(first, 0); MA1= core.indicators:create("MVA",TVB , SP); MA2= core.indicators:create("MVA",MA1.DATA , SS); REX = instance:addStream("REX", core.Line, name .. ".REX", "REX", instance.parameters.REX_color, MA1.DATA:first()); REX:setWidth(instance.parameters.width); REX:setStyle(instance.parameters.style); SIGNAL = instance:addStream("SIGNAL", core.Line, name .. ".SIGNAL", "SIGNAL", instance.parameters.SIGNAL_color, MA2.DATA:first()); SIGNAL:setWidth(instance.parameters.Swidth); SIGNAL:setStyle(instance.parameters.Sstyle); REX:setPrecision(math.max(2, instance.source:getPrecision())); SIGNAL:setPrecision(math.max(2, instance.source:getPrecision())); end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) if period < first then return; end TVB[period]= 3 * source.close[period]-(source.low[period]+source.open[period]+source.high[period]); MA1:update(mode); MA2:update(mode); if period < MA1.DATA:first() then return; end REX[period] = MA1.DATA[period]; if period < MA2.DATA:first() then return; end SIGNAL[period] =MA2.DATA[period]; end