-- 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 | --+------------------------------------------------------------------+ --| 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("Guppy's Multiple Moving Average Convergence/Divergence Overlay"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addBoolean("Show", "Use Signal Line", "", false); indicator.parameters:addInteger("Period", "MA Period", "", 9, 1, 1000); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Up", "Up Color", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("Down", "Down Color", "", core.rgb(255, 0, 0)); indicator.parameters:addColor("Neutral", "Neutral Color", "", core.rgb(128, 128, 128)); end local source = nil; local GMMA = nil; local out = nil; local first = nil; local open=nil; local close=nil; local high=nil; local low=nil; local Show,Period; local Neutral, Up,Down; function Prepare(nameOnly) source = instance.source; Show=instance.parameters.Show; Period=instance.parameters.Period; 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 Neutral=instance.parameters.Neutral; Up=instance.parameters.Up; Down=instance.parameters.Down; assert(core.indicators:findIndicator("GMMA") ~= nil, "Please, download and install GMMA.LUA indicator"); GMMA = core.indicators:create("GMMA", source.close); first = GMMA:getStream(11):first(); out = instance:addInternalStream(first, 0); open = instance:addStream("openup", core.Line, name, "", core.rgb(0, 0, 0), first); high = instance:addStream("highup", core.Line, name, "", core.rgb(0, 0, 0), first); low = instance:addStream("lowup", core.Line, name, "", core.rgb(0, 0, 0), first); close = instance:addStream("closeup", core.Line, name, "", core.rgb(0, 0, 0), first); instance:createCandleGroup("OVERLAY", "OVERLAY", open, high, low, close); end function Update(period, mode) GMMA:update(mode); open[period] = source.open[period]; close[period] = source.close[period]; high[period] = source.high[period]; low[period] = source.low[period]; if (period < first) then open:setColor(period, Neutral); return; end 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; if Show then if period < first+Period then open:setColor(period, Neutral); return; end local MA = mathex.avg(out, period-Period+1,period); if out[period] > 0 and out[period] > MA then open:setColor(period,instance.parameters.Up); elseif out[period] < 0 and out[period] < MA then open:setColor(period,instance.parameters.Down); else open:setColor(period,instance.parameters.Neutral); end else if out[period] > 0 and out[period] > out[period-1] then open:setColor(period,instance.parameters.Up); elseif out[period] < 0 and out[period] < out[period-1] then open:setColor(period,instance.parameters.Down); else open:setColor(period,instance.parameters.Neutral); end end end