-- Id: 18834 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=63410 --+------------------------------------------------------------------+ --| 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("Wick Length"); indicator:description(""); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addString("Method", "Calculation Method", "Method" , "Separated"); indicator.parameters:addStringAlternative("Method", "Separated", "Separated" , "Separated"); indicator.parameters:addStringAlternative("Method", "Separated Opposite Only", "Separated Opposite Only" , "Separated Opposite Only"); indicator.parameters:addStringAlternative("Method", "Cumulative", "Cumulative" , "Cumulative"); indicator.parameters:addStringAlternative("Method", "Difference", "Difference" , "Difference"); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("color1", "Up Bar color", "Bar Color", core.rgb(0, 255, 0)); indicator.parameters:addColor("color2", "Down Bar color", "Bar Color", core.rgb(255, 0, 0)); indicator.parameters:addGroup("Alerts"); indicator.parameters:addBoolean("ChartAlert", "Chart alert", "", true); indicator.parameters:addBoolean("PlaySound", "Play Sound", "", false); indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false); indicator.parameters:addFile("AlertSound", "Alert Sound", "", ""); indicator.parameters:setFlag("AlertSound", core.FLAG_SOUND); indicator.parameters:addBoolean("SendEmail", "Send email", "", false); indicator.parameters:addString("Email", "Email address", "", ""); indicator.parameters:setFlag("Email", core.FLAG_EMAIL); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- Parameters block local source; local Method; local Up, Down, Cumulative, Difference; local LastTime; -- Routine function Signal(Msg) if instance.parameters.ChartAlert then core.host:execute("prompt", 1, "Alert" , Msg); end if instance.parameters.PlaySound then terminal:alertSound(instance.parameters.AlertSound, instance.parameters.RecurrentSound); end if instance.parameters.SendEmail then terminal:alertEmail(Email, "Alert", Msg); end end function Prepare(nameOnly) Method= instance.parameters.Method; source = instance.source; local name = profile:id() .. "(" .. source:name() .. ", " .. Method .. ")"; instance:name(name); if (nameOnly) then return; end if Method== "Separated" or Method== "Separated Opposite Only" then Up = instance:addStream("Up", core.Bar, name .. ".Up", "Up", instance.parameters.color1, source:first()); Up:setPrecision(math.max(2, instance.source:getPrecision())); Down = instance:addStream("Down", core.Bar, name .. ".Down", "Down", instance.parameters.color2, source:first()); Down:setPrecision(math.max(2, instance.source:getPrecision())); else Up = instance:addInternalStream(source:first(), 0); Down = instance:addInternalStream(source:first(), 0); end if Method== "Difference" then Difference = instance:addStream("Difference", core.Bar, name .. ".Difference", "Difference", instance.parameters.color1, source:first()); Difference:setPrecision(math.max(2, instance.source:getPrecision())); else Difference = instance:addInternalStream(source:first(), 0); end if Method== "Cumulative" then Cumulative = instance:addStream("Cumulative", core.Bar, name .. ".Cumulative", "Cumulative", instance.parameters.color1, source:first()); Cumulative:setPrecision(math.max(2, instance.source:getPrecision())); else Cumulative = instance:addInternalStream(source:first(), 0); end end -- Indicator calculation routine function Update(period, mode) Up[period]= (source.high[period]- math.max(source.open[period], source.close[period]))/source:pipSize(); Down[period]=- ( math.min(source.open[period], source.close[period]) -source.low[period])/source:pipSize(); if Method== "Separated Opposite Only" then if source.close[period]> source.open[period] then Up[period]=0; else Down[period]=0; end end Difference[period]= Up[period]-math.abs(Down[period]); Cumulative[period]= Up[period]+math.abs(Down[period]); if period==source:size()-1 and LastTime~=source:date(period) then LastTime=source:date(period); if source.close[period-1]>source.open[period-1] and Down[period-1]==0 then Signal("No bottom wick of the up candle"); end if source.close[period-1]