QQE_v2

//+------------------------------------------------------------------+
//|   Qualitative Quantitative Estimation Indicator for Metatrader 4 |
//|                                     Copyright © 2006Roman Ignatov |
//|                                   mailto:roman.ignatov@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 200 Roman Ignatov"
#property link      "mailto:roman.ignatov@gmail.com"
//----
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Navy
#property indicator_style1 STYLE_SOLID
#property indicator_width1 2
#property indicator_color2 Navy
#property indicator_style2 STYLE_DOT
//----
extern int SF=5;
//----
int RSI_Period=14;
int Wilders_Period;
int StartBar;
//----
double TrLevelSlow[];
double AtrRsi[];
double MaAtrRsi[];
double Rsi[];
double RsiMa[];
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int init()
  {
   Wilders_Period=RSI_Period * 2 - 1;
   if (Wilders_Period < SF)
      StartBar=SF;
   else
      StartBar=Wilders_Period;
//----
   IndicatorBuffers(6);
   SetIndexBuffer(0, RsiMa);
   SetIndexStyle(0, DRAW_LINE, STYLE_SOLID, 2);
   SetIndexLabel(0, "Value 1");
   SetIndexDrawBegin(0, StartBar);
   SetIndexStyle(1, DRAW_LINE, STYLE_DOT);
   SetIndexBuffer(1, TrLevelSlow);
   SetIndexLabel(1, "Value 2");
   SetIndexDrawBegin(1, StartBar);
   SetIndexBuffer(2, AtrRsi);
   SetIndexBuffer(3, MaAtrRsi);
   SetIndexBuffer(4, Rsi);
   IndicatorShortName(StringConcatenate("QQE(", SF, ")"));
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int start()
  {
   int counted, i;
   double rsi0, rsi1, dar, tr, dv;
//----
   if(Bars<=StartBar)
      return(0);
//----
   counted=IndicatorCounted();
   if(counted < 1)
      for(i=Bars - StartBar; i < Bars; i++)
        {
         TrLevelSlow[i]=0.0;
         AtrRsi[i]=0.0;
         MaAtrRsi[i]=0.0;
         Rsi[i]=0.0;
         RsiMa[i]=0.0;
        }
   counted=Bars - counted - 1;
//----
   for(i=counted; i>=0; i--)
      Rsi[i]=iRSI(NULL, 0, RSI_Period, PRICE_CLOSE, i);
   for(i=counted; i>=0; i--)
     {
      RsiMa[i]=iMAOnArray(Rsi, 0, SF, 0, MODE_EMA, i);
      AtrRsi[i]=MathAbs(RsiMa[i + 1] - RsiMa[i]);
     }
   for(i=counted; i>=0; i--)
      MaAtrRsi[i]=iMAOnArray(AtrRsi, 0, Wilders_Period, 0, MODE_EMA, i);
   i=counted + 1;
   tr=TrLevelSlow[i];
   rsi1=iMAOnArray(Rsi, 0, SF, 0, MODE_EMA, i);
   while(i > 0)
     {
      i--;
      rsi0=iMAOnArray(Rsi, 0, SF, 0, MODE_EMA, i);
      dar=iMAOnArray(MaAtrRsi, 0, Wilders_Period, 0, MODE_EMA, i) * 4.236;
      dv=tr;
      if (rsi0 < tr)
        {
         tr=rsi0 + dar;
         if (rsi1 < dv)
            if (tr > dv)
               tr=dv;
        }
      else if (rsi0 > tr)
           {
            tr=rsi0 - dar;
            if (rsi1 > dv)
               if (tr < dv)
                  tr=dv;
           }
      TrLevelSlow[i]=tr;
      rsi1=rsi0;
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+