-- Id: 22034 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=66534 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ -- 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("A WAVE INDICATOR"); indicator:description(""); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Period", "", 14); indicator.parameters:addInteger("Period1", "1. EMA Period", "", 13); indicator.parameters:addInteger("Period2", "2. EMA Period", "", 2); indicator.parameters:addInteger("Period3", "3. EMA Period", "", 5); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("color", "Line Color", "", 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:addGroup("OB/OS Levels"); indicator.parameters:addDouble("overbought", "Overbought Level","", 70); indicator.parameters:addDouble("oversold","Oversold Level","", 30); indicator.parameters:addColor("level_overboughtsold_color", "Line Color","", core.rgb(128, 128, 128)); indicator.parameters:addInteger("level_overboughtsold_width","Line width","", 1, 1, 5); indicator.parameters:addInteger("level_overboughtsold_style", "Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("level_overboughtsold_style", core.FLAG_LEVEL_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 Up,Down, Neutral; local first; local source = nil; local open=nil; local close=nil; local high=nil; local low=nil; local Period; local Period1; local Period2; local Period3; local Data1, Data2; local MA1,MA2,MA3; local VAR1,VAR2,VAR3; local Signal; function Prepare(nameOnly) local name = profile:id() .. "(" .. instance.source:name() .. ")"; instance:name(name); if (nameOnly) then return; end Up = instance.parameters.Up; Down= instance.parameters.Down; Neutral= instance.parameters.Neutral; Period = instance.parameters.Period; Period1 = instance.parameters.Period1; Period2 = instance.parameters.Period2; Period3 = instance.parameters.Period3; source = instance.source; first=source:first()+Period; VAR1 = instance:addInternalStream(0, 0); VAR2 = instance:addInternalStream(0, 0); VAR3 = instance:addInternalStream(0, 0); Data1 = instance:addInternalStream(0, 0); Data2 = instance:addInternalStream(0, 0); MA1 = core.indicators:create("EMA", Data1, Period1); MA2 = core.indicators:create("EMA", Data2, Period2); MA3 = core.indicators:create("EMA", MA2.DATA, Period3); 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); open:addLevel(instance.parameters.oversold, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); open:addLevel(instance.parameters.overbought, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); open:addLevel(50); Signal = instance:addStream("Signal", core.Line, "Signal", "Signal", instance.parameters.color, first +Period1+Period2+Period3 ); Signal:setWidth(instance.parameters.width); Signal:setStyle(instance.parameters.style); open:setPrecision(math.max(2, instance.source:getPrecision())); high:setPrecision(math.max(2, instance.source:getPrecision())); low:setPrecision(math.max(2, instance.source:getPrecision())); close:setPrecision(math.max(2, instance.source:getPrecision())); Signal:setPrecision(math.max(2, instance.source:getPrecision())); end -- Indicator calculation routine function Update(period, mode) VAR1[period]=(2*source.close[period]+source.high[period]+source.low[period])/4; if period < first then return; end VAR2[period]=mathex.min(source.low,period-Period+1, period); VAR3[period]=mathex.max(source.high,period-Period+1, period); Data1[period]=(VAR1[period]-VAR2[period] )/(VAR3[period]-VAR2[period])*100; if period < first +Period1 then return; end MA1:update(mode); Data2[period]= 0.667*MA1.DATA[period-1]+0.333*MA1.DATA[period]; if period < first +Period1+Period2 then return; end MA2:update(mode); if MA1.DATA[period]>MA2.DATA[period] then open[period]=MA2.DATA[period]; close[period]=MA1.DATA[period]; else open[period]=MA2.DATA[period]; close[period]=MA1.DATA[period]; end high[period]= math.max(open[period],close[period]); low[period]= math.min(open[period],close[period]); MA3:update(mode); if period < first +Period1+Period2+Period3 then return; end Signal[period]=MA3.DATA[period]; end