NonLagAMA – indicator for MetaTrader 4

  • Platform: Metatrader4
  • Currency pairs: Any pairs, indices and metals
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  • Trading Time: Around the clock
  • Recommended broker: icmarkets, XM
  • //+------------------------------------------------------------------+
    //|                                                    NonLagAMA.mq4 |
    //|                      Copyright © 2008, MetaQuotes Software Corp. |
    //|                                        https://www.metaquotes.net/ |
    //+------------------------------------------------------------------+
    #property copyright "Copyright © 2008, MetaQuotes Software Corp."
    #property link      "https://www.metaquotes.net/"
    #property indicator_chart_window
    #property indicator_buffers 3
    #property indicator_color1 Yellow
    #property indicator_width1 2
    #property indicator_color2 RoyalBlue
    #property indicator_width2 2
    #property indicator_color3 Red
    #property indicator_width3 2
    //---- input parameters
    extern int     Price         =0;
    extern int     Length        =25;
    extern int     Displace      =0;
    extern int     Filter        =0;
    extern int     Color         =1;
    extern int     ColorBarBack  =2;
    extern double  Deviation     =0;
    //----
    double Cycle= 4;
    //---- indicator buffers
    double MABuffer[];
    double UpBuffer[];
    double DnBuffer[];
    double price[];
    double trend[];
    //+------------------------------------------------------------------+
    //| Custom indicator initialization function                         |
    //+------------------------------------------------------------------+
      int init()
      {
       int ft=0;
       string short_name;
    //---- indicator line
       IndicatorBuffers(5);
       SetIndexStyle(0,DRAW_LINE);
       SetIndexBuffer(0,MABuffer);
       SetIndexStyle(1,DRAW_LINE);
       SetIndexBuffer(1,UpBuffer);
       SetIndexStyle(2,DRAW_LINE);
       SetIndexBuffer(2,DnBuffer);
       SetIndexBuffer(3,price);
       SetIndexBuffer(4,trend);
       IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS));
       SetIndexArrow(0,159);
       SetIndexArrow(1,159);
       SetIndexArrow(2,159);
       SetIndexArrow(3,159);
    //---- name for DataWindow and indicator subwindow label
       short_name="NonLagAma("+Length+")";
       IndicatorShortName(short_name);
       SetIndexLabel(0,"NLD");
       SetIndexLabel(1,"Up");
       SetIndexLabel(2,"Dn");
    //----
       SetIndexShift(0,Displace);
       SetIndexShift(1,Displace);
       SetIndexShift(2,Displace);
       SetIndexDrawBegin(0,Length*Cycle+Length);
       SetIndexDrawBegin(1,Length*Cycle+Length);
       SetIndexDrawBegin(2,Length*Cycle+Length);
    //----
       return(0);
      }
    //+------------------------------------------------------------------+
    //| NonLagMA_v4                                                      |
    //+------------------------------------------------------------------+
    int start()
      {
       int    i,shift, counted_bars=IndicatorCounted(),limit;
       double alfa, beta, t, Sum, Weight, step,g;
       double pi=3.1415926535;
    //----
       double Coeff= 3*pi;
       int Phase=Length-1;
       double Len=Length*Cycle + Phase;
    //----
       if(counted_bars > 0) limit=Bars-counted_bars;
       if(counted_bars < 0) return(0);
       if(counted_bars ==0) limit=Bars-Len-1;
       if(counted_bars < 1)
          for(i=1;i<Length*Cycle+Length;i++)
            {
             MABuffer[Bars-i]=0;
             UpBuffer[Bars-i]=0;
             DnBuffer[Bars-i]=0;
            }
       for(shift=limit;shift>=0;shift--)
         {
          Weight=0; Sum=0; t=0;
          for(i=0;i<=Len-1;i++)
            {
             g=1.0/(Coeff*t+1);
             if (t<=0.5)g=1;
             beta=MathCos(pi*t);
             alfa=g * beta;
             price[i]=iMA(NULL,0,1,0,MODE_SMA,Price,shift+i);
             Sum+=alfa*price[i];
             Weight+=alfa;
             if(t < 1)t+=1.0/(Phase-1);
             else if(t < Len-1) t+=(2*Cycle-1)/(Cycle*Length-1);
            }
          if (Weight > 0) MABuffer[shift]=(1.0+Deviation/100)*Sum/Weight;
          if (Filter>0)
            {
             if(MathAbs(MABuffer[shift]-MABuffer[shift+1]) < Filter*Point)MABuffer[shift]=MABuffer[shift+1];
            }
          if (Color>0)
            {
             trend[shift]=trend[shift+1];
             if (MABuffer[shift]-MABuffer[shift+1] > Filter*Point) trend[shift]= 1;
             if (MABuffer[shift+1]-MABuffer[shift] > Filter*Point) trend[shift]=-1;
             if (trend[shift]>0)
               {
                UpBuffer[shift]=MABuffer[shift];
                if (trend[shift+ColorBarBack]<0) UpBuffer[shift+ColorBarBack]=MABuffer[shift+ColorBarBack];
                DnBuffer[shift]=EMPTY_VALUE;
               }
             if (trend[shift]<0)
               {
                DnBuffer[shift]=MABuffer[shift];
                if (trend[shift+ColorBarBack]>0) DnBuffer[shift+ColorBarBack]=MABuffer[shift+ColorBarBack];
                UpBuffer[shift]=EMPTY_VALUE;
               }
            }
         }
       return(0);
      }
    //+------------------------------------------------------------------+
    
  • How to install MT4 indicator?
  • 1. On the desktop, double-click to open the MT4 trading platform software you installed.
  • 2. Click on “File” – “Open Data Folder” in the upper left corner, double-click the MQL4 folder, and double-click the Indicators folder
  • 3. Copy the metrics you need to install to the Indicators folder
  • 4. Open MT4, find “Navigator” in the display menu, then click “Technical Indicators” of “Navigator” and right click to refresh, you will see the indicator just copied.
  • 5. In the “Technical Indicators” of “Navigator”, find the indicator file just installed, double click or click manually to the chart window
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