-- Id: 201 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=412 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Guppy's Multiple Moving Average Convergence/Divergence"); indicator:requiredSource(core.Tick); indicator:type(core.Oscillator); indicator.parameters:addColor("COLOR", "Indicator's Color", "", core.rgb(255, 0, 0)); end local source = nil; local GMMA = nil; local out = nil; local first = nil; function Prepare(nameOnly) source = instance.source; local name; -- set the indicator name (use the short name of our indicator: GMMA) name = profile:id() .. "(" .. source:name() .. ")"; instance:name(name); if (nameOnly) then return; end assert(core.indicators:findIndicator("GMMA") ~= nil, "Please, download and install GMMA.LUA indicator"); GMMA = core.indicators:create("GMMA", source); first = GMMA:getStream(11):first(); out = instance:addStream("H", core.Bar, name .. ".H", "H", instance.parameters.COLOR, first); out:setPrecision(math.max(2, instance.source:getPrecision())); out:addLevel(0); end function Update(period, mode) GMMA:update(mode); if (period >= first) then local f, s; f = GMMA:getStream(0)[period] + GMMA:getStream(1)[period] + GMMA:getStream(2)[period] + GMMA:getStream(3)[period] + GMMA:getStream(4)[period] + GMMA:getStream(5)[period]; s = GMMA:getStream(6)[period] + GMMA:getStream(7)[period] + GMMA:getStream(9)[period] + GMMA:getStream(9)[period] + GMMA:getStream(10)[period] + GMMA:getStream(11)[period]; out[period] = (f - s) / s * 100; end end