-- Id: 13893 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=62065 --+------------------------------------------------------------------+ --| 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("Murrey's Math Oscillator"); indicator:description("Murrey's Math Oscillator"); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("length", "Look back Length", "Look back Length", 100); indicator.parameters:addDouble("mult", "Mutiplier", "Mutiplier", 0.125); indicator.parameters:addBoolean("lines", "Show Murrey Math Fractals", "Show Murrey Math Fractals", true); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("P1_color", "1.Positive Zone Color", "Zone Color", core.rgb(173, 255, 47)); indicator.parameters:addColor("P2_color", "2. Positive Zone Color", "Zone Color", core.rgb(50, 205, 50)); indicator.parameters:addColor("P3_color", "3. Positive Zone Color", "Zone Color", core.rgb(60, 179, 113)); indicator.parameters:addColor("P4_color", "4. Positive Zone Color", "Zone Color", core.rgb(0, 128, 0)); indicator.parameters:addColor("N1_color", "1. Negative Zone Color", "Zone Color", core.rgb(205, 92, 92)); indicator.parameters:addColor("N2_color", "2. Negative Zone Color", "Zone Color", core.rgb(250, 128, 114)); indicator.parameters:addColor("N3_color", "3. Negative Zone Color", "Zone Color", core.rgb(255, 160, 122)); indicator.parameters:addColor("N4_color", "4. Negative Zone Color", "Zone Color", core.rgb(255, 0, 0)); indicator.parameters:addColor("Neutral_color", "Neutral Color", "Neutral Color", core.rgb(0, 0, 288)); indicator.parameters:addGroup("Line Levels"); 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 length; local mult; local lines; local first; local source = nil; -- Streams block local oscillator = nil; -- Routine function Prepare(nameOnly) local name = profile:id() .. "(" .. instance.source:name() .. ")"; instance:name(name); if (nameOnly) then return; end length = instance.parameters.length; mult = instance.parameters.mult; lines = instance.parameters.lines; source = instance.source; first = source:first()+length; oscillator = instance:addStream("oscillator", core.Bar, name, "oscillator", instance.parameters.Neutral_color, first); oscillator:setPrecision(math.max(2, instance.source:getPrecision())); if lines then oscillator:addLevel(mult*2 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); oscillator:addLevel(mult*4 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); oscillator:addLevel(mult*6 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); oscillator:addLevel(mult*8 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); oscillator:addLevel(-mult*2 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); oscillator:addLevel(-mult*4 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); oscillator:addLevel(-mult*6 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); oscillator:addLevel(-mult*8 , instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period) if period < first or not source:hasData(period) then return; end --Donchanin Channel local lo, hi = mathex.minmax(source,period-length+1, period); local range = hi - lo; local multiplier = range * mult; local midline = lo + multiplier * 4; oscillator[period] = (source.close[period] - midline)/(range/2); local Color; if oscillator[period] > 0 then if oscillator[period] <= mult*2 then Color=instance.parameters.P1_color; elseif oscillator[period] <= mult*4 then Color=instance.parameters.P2_color; elseif oscillator[period] <= mult*6 then Color=instance.parameters.P3_color; elseif oscillator[period] <= mult*8 then Color=instance.parameters.P4_color; else Color=instance.parameters.Neutral_color; end elseif oscillator[period] < 0 then if oscillator[period] >= -mult*2 then Color=instance.parameters.N1_color; elseif oscillator[period] >= -mult*4 then Color=instance.parameters.N2_color; elseif oscillator[period] >= -mult*6 then Color=instance.parameters.N3_color; elseif oscillator[period] >= -mult*8 then Color=instance.parameters.N4_color; else Color=instance.parameters.Neutral_color; end else Color=instance.parameters.Neutral_color; end oscillator:setColor(period, Color); end