-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=63874 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ -- Indicator profile initialization routine -- Defines indicator profile properties and indicator parameters function Init() indicator:name("Bollinger Band Polynomial regression with Alert"); indicator:description("Provides a relative definition of high and low based on standard deviations and a simple moving average."); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator:setTag("group", "Bollinger"); indicator.parameters:addGroup("Bollinger Band Calculation"); indicator.parameters:addInteger("N", "Period","Period", 20, 1, 10000); indicator.parameters:addDouble("Dev","Number of standard deviations","The number of standard deviations.", 2.0, 0.0001, 1000.0); indicator.parameters:addGroup("Polynomial regression Calculation"); indicator.parameters:addBoolean("Filter", "Use Polynomial regression Filter ", "", true); indicator.parameters:addInteger("Period", "Period", "", 50); indicator.parameters:addInteger("Power", "Power", "", 2, 1, 9); indicator.parameters:addDouble("Deviation", "Deviation", "", 1); indicator.parameters:addGroup("Mode"); indicator.parameters:addString("Live", "End of Turn / Live", "", "Live"); indicator.parameters:addStringAlternative("Live", "End of Turn", "", "End of Turn"); indicator.parameters:addStringAlternative("Live", "Live", "", "Live"); indicator.parameters:addGroup("Alert Style"); indicator.parameters:addColor("Up", "Up Trend Color", "", core.rgb(0, 0, 255)); indicator.parameters:addColor("Down", "Down Trend Color", "", core.rgb(0, 0, 255)); indicator.parameters:addInteger("Size", "Label Size", "", 10, 1 , 100); indicator.parameters:addGroup("Alerts Sound"); indicator.parameters:addBoolean("PlaySound", "Play Sound", "", true); indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false); indicator.parameters:addGroup("Alerts Email"); indicator.parameters:addBoolean("SendEmail", "Send Email", "", true); indicator.parameters:addString("Email", "Email", "", ""); indicator.parameters:setFlag("Email", core.FLAG_EMAIL); indicator.parameters:addBoolean("Show", "Show Dialog box Alert", "", true); Parameters (1, "Band Line Cross") end function Parameters ( id, Label ) indicator.parameters:addGroup(Label .. " Alert"); indicator.parameters:addBoolean("ON"..id , "Show " .. Label .." Alert" , "", true); indicator.parameters:addFile("Up"..id, Label .. " Cross Over Sound", "", ""); indicator.parameters:setFlag("Up"..id, core.FLAG_SOUND); indicator.parameters:addFile("Down"..id, Label .. " Cross Under Sound", "", ""); indicator.parameters:setFlag("Down"..id, core.FLAG_SOUND); indicator.parameters:addString("Label"..id, "Label", "", Label); end local Number = 1; local Up={}; local Down={}; local Label={}; local ON={}; local up={}; local down={}; local Size; local Email; local SendEmail; local RecurrentSound ,SoundFile ; local Show; local Alert; local Indicator; local PlaySound; local Live; local FIRST=true; local U={}; local D={}; local Dev; -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- Parameters block local N; local firstPeriod; local source = nil; -- Streams block local TL = nil; local BL = nil; local AL = nil; local Period, Power, Deviation, Polynomial_Regression; local Filter; -- Routine function Prepare(nameOnly) FIRST=true; Show = instance.parameters.Show; Live = instance.parameters.Live; Filter = instance.parameters.Filter; Period= instance.parameters.Period; Power = instance.parameters.Power; Deviation= instance.parameters.Deviation; N = instance.parameters.N; Dev = instance.parameters.Dev; source = instance.source; firstPeriod = source:first() + N - 1; local name = profile:id() .. "(" .. source:name() .. ", " .. N .. ", " .. Dev .. ")"; instance:name(name); if (nameOnly) then return; end TL= instance:addInternalStream(0, 0); BL= instance:addInternalStream(0, 0); AL = instance:addInternalStream(0, 0); if Filter then assert(core.indicators:findIndicator("POLYNOMIAL_REGRESSION") ~= nil, "Please, download and install POLYNOMIAL_REGRESSION.LUA indicator"); Polynomial_Regression= core.indicators:create("POLYNOMIAL_REGRESSION", source, Period, Power, Deviation); end Initialization(); end function Initialization () Size=instance.parameters.Size; SendEmail = instance.parameters.SendEmail; local i; for i = 1, Number , 1 do Label[i]=instance.parameters:getString("Label" .. i); ON[i]=instance.parameters:getBoolean("ON" .. i); end if SendEmail then Email = instance.parameters.Email; else Email = nil; end assert(not(SendEmail) or (SendEmail and Email ~= ""), "E-mail address must be specified"); PlaySound = instance.parameters.PlaySound; if PlaySound then for i = 1, Number , 1 do Up[i]=instance.parameters:getString("Up" .. i); Down[i]=instance.parameters:getString("Down" .. i); end else for i = 1, Number , 1 do Up[i]=nil; Down[i]=nil; end end for i = 1, Number , 1 do assert(not(PlaySound) or (PlaySound and Up[i] ~= "") or (PlaySound and Up[i] ~= ""), "Sound file must be chosen"); assert(not(PlaySound) or (PlaySound and Down[i] ~= "") or (PlaySound and Down[i] ~= ""), "Sound file must be chosen"); end RecurrentSound = instance.parameters.RecurrentSound; for i = 1, Number , 1 do U[i] = nil; D[i] = nil; if ON[i] then up[i] = instance:createTextOutput ("Up", "Up", "Wingdings", Size, core.H_Center, core.V_Center, instance.parameters.Up, 0); down[i] = instance:createTextOutput ("Dn", "Dn", "Wingdings", Size, core.H_Center, core.V_Center, instance.parameters.Down, 0); end end end function Calculate(period) if period >= firstPeriod then local ml = mathex.avg(source, period - N + 1, period); local d = mathex.stdev(source, period - N + 1, period); local Dd = Dev * d; TL[period] = ml + Dd; BL[period] = ml - Dd; AL[period] = ml; end end -- Indicator calculation routine function Update(period,mode) Calculate(period); if Filter then if period ~= source:size()-1 then Polynomial_Regression:update(mode); else Polynomial_Regression:update(core.UpdateAll); end end local i; for i = 1, Number , 1 do if ON[i] then down[i]:setNoData (period); up[i]:setNoData (period); end end if period < firstPeriod then return; end Activate (1, period); Activate (2, period); end function Activate (id, period) local Shift=0; if Live~= "Live" then period=period-1; Shift=1; end if Filter and source[period]< Polynomial_Regression.BuffBandUp[period] and source[period] > Polynomial_Regression.BuffBandDn[period] then return; end if id == 1 and ON[id] then --Top Line if source[period] > TL[period] and source[period-1] <= TL[period-1] then up[id]:set(period , TL[period], "\108"); D[id] = nil; if U[id]~=source:serial(period) and period == source:size()-1-Shift and not FIRST then U[id]=source:serial(period); SoundAlert(Up[id]); EmailAlert( Label[id], " B.B. Top Line Cross Over", period); if Show then Pop(Label[id], " B.B. Top Line Cross Over " ); end end elseif source[period] < TL[period] and source[period-1] >= TL[period-1] then down[id]:set(period , TL[period], "\108"); U[id] = nil; if D[id]~=source:serial(period) and period == source:size()-1-Shift and not FIRST then D[id]=source:serial(period); SoundAlert(Down[id]); EmailAlert( Label[id] , " B.B. Central Line Cross Under", period); if Show then Pop(Label[id], " B.B. Central Line Cross Under " ); end end end --Bottom Line if source[period] > BL[period] and source[period-1] <= BL[period-1] then up[id]:set(period , BL[period], "\108"); D[id] = nil; if U[id]~=source:serial(period) and period == source:size()-1-Shift and not FIRST then U[id]=source:serial(period); SoundAlert(Up[id]); EmailAlert( Label[id], " B.B. Bottom Line Cross Over", period); if Show then Pop(Label[id], " B.B. Bottom Line Cross Over " ); end end elseif source[period] < BL[period] and source[period-1] >= BL[period-1] then down[id]:set(period , BL[period], "\108"); U[id] = nil; if D[id]~=source:serial(period) and period == source:size()-1-Shift and not FIRST then D[id]=source:serial(period); SoundAlert(Down[id]); EmailAlert( Label[id] , " B.B. Bottom Line Cross Under", period); if Show then Pop(Label[id], " B.B. Bottom Line Cross Under " ); end end end end if FIRST then FIRST=false; end end function AsyncOperationFinished (cookie, success, message) end function Pop(label , note) core.host:execute ("prompt", 1, label , " ( " .. source:instrument() .. label .. " : " .. note ); end function SoundAlert(Sound) if not PlaySound then return; end terminal:alertSound(Sound, RecurrentSound); end function EmailAlert( label , Subject, period) if not SendEmail then return end local date = source:date(period); local DATA = core.dateToTable (date); local delim = "\013\010"; local Note= profile:id().. delim.. " Label : " ..label .. delim .. " Alert : " .. Subject ; local Symbol= "Instrument : " .. source:instrument() ; local Time = " Date : " .. DATA.month.." / ".. DATA.day .." Time: ".. DATA.hour .." / ".. DATA.min .." / ".. DATA.sec; local text = Note .. delim .. Symbol .. delim .. Time; terminal:alertEmail(Email, profile:id(), text); end