Conversion OBV MTF code from MT4

Forums ProRealTime English forum ProBuilder support Conversion OBV MTF code from MT4

  • This topic has 1 reply, 2 voices, and was last updated 11 months ago by avatarJS.
Viewing 2 posts - 1 through 2 (of 2 total)
  • #217702

    Hey guys.
    Could someone please translate the code of the following MT4 indicator? It doesn’t need to be multi-timeframe.
    Thank you very much in advance.

    //+——————————————————————+
    //| OBV2.mq4 |
    //+——————————————————————+
    #property indicator_separate_window
    #property indicator_buffers 2
    #property indicator_color1 DodgerBlue
    #property indicator_color2 Red
    //#property indicator_maximum 1
    //#property indicator_minimum 0

    extern string TimeFrame = “Current time frame”;
    extern int SignalPeriod = 13;
    extern int SignalMaMode = MODE_LWMA;

    extern bool alertsOn = false;
    extern bool alertsOnCurrent = true;
    extern bool alertsMessage = true;
    extern bool alertsSound = false;
    extern bool alertsEmail = false;
    input bool alertsNotify = false;

    double gadblOBV[];
    double ma[];
    double hu[];
    double hd[];
    double trend[];

    string indicatorFileName;
    bool returnBars;
    bool calculateValue;
    int timeFrame;

    int init()
    {
    IndicatorBuffers(5);
    SetIndexBuffer( 0, hu ); SetIndexStyle(0,DRAW_LINE);
    SetIndexBuffer( 1, hd ); SetIndexStyle(1,DRAW_LINE);
    SetIndexBuffer( 2, gadblOBV );
    SetIndexBuffer( 3, ma );
    SetIndexBuffer( 4, trend );
    IndicatorDigits( 0 );

    //
    //
    //
    //
    //

    indicatorFileName = WindowExpertName();
    calculateValue = TimeFrame==”calculateValue”; if (calculateValue) { return(0); }
    returnBars = TimeFrame==”returnBars”; if (returnBars) { return(0); }
    timeFrame = stringToTimeFrame(TimeFrame);

    //
    //
    //
    //
    //

    IndicatorShortName( timeFrameToString(timeFrame)+” O” );
    SetIndexLabel( 0, “OBV2″ );
    return( 0 );
    }

    int start()
    {
    int counted_bars = IndicatorCounted();
    if(counted_bars<0) return(-1);
    if(counted_bars>0) counted_bars–;
    int limit=MathMin(Bars-counted_bars,Bars-1);
    if (returnBars) { hu[0] = MathMin(limit+1,Bars-1); return(0); }

    //
    //
    //
    //
    //

    if (calculateValue || timeFrame == Period())
    {
    for( int inx = limit; inx >=0; inx– )
    {
    if ( inx == ( Bars – 1 ) )
    {
    gadblOBV[inx] = Volume[inx];
    }
    else
    {
    if ( ( High[inx] == Low[inx] ) || ( Open[inx] == Close[inx] ) || ( Close[inx] == Close[inx+1] ) )
    {
    gadblOBV[inx] = gadblOBV[inx+1];
    }
    else
    {
    if ( Close[inx] > Open[inx] ) gadblOBV[inx] = gadblOBV[inx+1] + ( Volume[inx] * ( Close[inx] – Open[inx] ) / ( High[inx] – Low[inx] ) );
    else gadblOBV[inx] = gadblOBV[inx+1] – ( Volume[inx] * ( Open[inx] – Close[inx] ) / ( High[inx] – Low[inx] ) );
    }
    }
    }
    for(inx=limit; inx>=0; inx–)
    {
    ma[inx]=iMAOnArray(gadblOBV,0,SignalPeriod,0,SignalMaMode,inx);
    // hu[inx] = EMPTY_VALUE;
    // hd[inx] = EMPTY_VALUE;
    trend[inx] = trend[inx+1];
    // if (gadblOBV[inx] > ma[inx]) { trend[inx] = 1; hu[inx] = 1; }
    // if (gadblOBV[inx] < ma[inx]) { trend[inx] = -1; hd[inx] = 1; }

    if (ma[inx]>ma[inx+1]) { trend[inx] = 1; hu[inx] = ma[inx]; }
    if (ma[inx]<ma[inx+1]) { trend[inx] = -1; hd[inx] = ma[inx]; }
    }
    manageAlerts();
    return( 0 );
    }

    limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,indicatorFileName,”returnBars”,0,0)*timeFrame/Period()));
    for (int i=limit; i>=0; i–)
    {
    int y = iBarShift(NULL,timeFrame,Time[i]);
    hu[i] = iCustom(NULL,timeFrame,indicatorFileName,”calculateValue”,SignalPeriod,SignalMaMode,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsEmail,0,y);
    hd[i] = iCustom(NULL,timeFrame,indicatorFileName,”calculateValue”,SignalPeriod,SignalMaMode,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsEmail,1,y);
    }
    return(0);
    }

    //——————————————————————-
    //
    //——————————————————————-
    //
    //
    //
    //
    //

    string sTfTable[] = {“M1″,”M5″,”M15″,”M30″,”H1″,”H4″,”D1″,”W1″,”MN”};
    int iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};

    //
    //
    //
    //
    //

    int stringToTimeFrame(string tfs)
    {
    StringToUpper(tfs);
    for (int i=ArraySize(iTfTable)-1; i>=0; i–)
    if (tfs==sTfTable[i] || tfs==””+iTfTable[i]) return(MathMax(iTfTable[i],Period()));
    return(Period());
    }
    string timeFrameToString(int tf)
    {
    for (int i=ArraySize(iTfTable)-1; i>=0; i–)
    if (tf==iTfTable[i]) return(sTfTable[i]);
    return(“”);
    }

    //+——————————————————————
    //|
    //+——————————————————————
    //
    //
    //
    //
    //

    void manageAlerts()
    {
    if (!calculateValue && alertsOn)
    {
    if (alertsOnCurrent)
    int whichBar = 0;
    else whichBar = 1;
    if (trend[whichBar] != trend[whichBar+1])
    {
    if (trend[whichBar] == 1) doAlert(whichBar,” buy “);
    if (trend[whichBar] ==-1) doAlert(whichBar,” sell “);
    }
    }
    }

    //
    //
    //
    //
    //

    void doAlert(int forBar, string doWhat)
    {
    static string previousAlert=”nothing”;
    static datetime previousTime;
    string message;

    if (previousAlert != doWhat || previousTime != Time[forBar]) {
    previousAlert = doWhat;
    previousTime = Time[forBar];

    //
    //
    //
    //
    //

    message = StringConcatenate(Symbol(),” at “,TimeToStr(TimeLocal(),TIME_SECONDS),” “,timeFrameToString(_Period),” OBV2 “,doWhat);
    if (alertsMessage) Alert(message);
    if (alertsEmail) SendMail(StringConcatenate(Symbol(),” OBV2 “),message);
    if (alertsSound) PlaySound(“alert2.wav”);
    if (alertsNotify) SendNotification(message);
    }
    }

    #217707
    JS

    Hi,

    I think it is no more than the “normal” On Balance Volume but with an average (MA)…

    1 user thanked author for this post.
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