AbsoluteStrength_v1.1

//+------------------------------------------------------------------+
//|                                        AbsoluteStrength_v1.1.mq4 |
//|                           Copyright © 2006, TrendLaboratory Ltd. |
//|            http://finance.groups.yahoo.com/group/TrendLaboratory |
//|                                       E-mail: igorad2004@list.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, TrendLaboratory Ltd."
#property link      "http://finance.groups.yahoo.com/group/TrendLaboratory"

#property indicator_separate_window
#property indicator_buffers   4
#property indicator_color1    LightBlue
#property indicator_width1    2 
#property indicator_color2    Tomato
#property indicator_width2    2
#property indicator_color3    Aqua
#property indicator_width3    1
#property indicator_style3    3 
#property indicator_color4    Orange
#property indicator_width4    1 
#property indicator_style4    3
//---- input parameters
extern int       Mode       =  0; // 0-RSI method; 1-Stoch method; 2-ADX method
extern int       Length     = 10; // Period of evaluation
extern int       Smooth     =  5; // Period of smoothing
extern int       Signal     =  5; // Period of Signal Line
extern int       Price      =  0; // Price mode : 0-Close,1-Open,2-High,3-Low,4-Median,5-Typical,6-Weighted
extern int       ModeMA     =  3; // Mode of Moving Average
extern double    OverBought =  0; // OverBought Level
extern double    OverSold   =  0; // OverSold Level 
  
//---- buffers
double Bulls[];
double Bears[];
double AvgBulls[];
double AvgBears[];
double SmthBulls[];
double SmthBears[];
double SigBulls[];
double SigBears[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   IndicatorBuffers(8);
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(0,SmthBulls);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(1,SmthBears);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexBuffer(2,SigBulls);
   SetIndexStyle(3,DRAW_LINE);
   SetIndexBuffer(3,SigBears);
   SetIndexBuffer(4,Bulls);
   SetIndexBuffer(5,Bears);
   SetIndexBuffer(6,AvgBulls);
   SetIndexBuffer(7,AvgBears);
//---- name for DataWindow and indicator subwindow label
   string short_name="AbsoluteStrength("+Mode+","+Length+","+Smooth+","+Signal+",,"+ModeMA+")";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"Bulls");
   SetIndexLabel(1,"Bears");
   SetIndexLabel(2,"SignalBulls");
   SetIndexLabel(3,"SignalBears");      
//----
   SetIndexDrawBegin(0,Length+Smooth+Signal);
   SetIndexDrawBegin(1,Length+Smooth+Signal);
   SetIndexDrawBegin(2,Length+Smooth+Signal);
   SetIndexDrawBegin(3,Length+Smooth+Signal);
   
   return(0);
  }

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int      shift, limit, counted_bars=IndicatorCounted();
   double   Price1, Price2, smax, smin;
//---- 
   if ( counted_bars < 0 ) return(-1);
   if ( counted_bars ==0 ) limit=Bars-Length+Smooth+Signal-1;
   if ( counted_bars < 1 ) 
   for(int i=1;i<Length+Smooth+Signal;i++) 
   {
   Bulls[Bars-i]=0;    
   Bears[Bars-i]=0;  
   AvgBulls[Bars-i]=0;    
   AvgBears[Bars-i]=0;  
   SmthBulls[Bars-i]=0;    
   SmthBears[Bars-i]=0;  
   SigBulls[Bars-i]=0;    
   SigBears[Bars-i]=0;  
   }
   
   
   
   if(counted_bars>0) limit=Bars-counted_bars;
   limit--;
   
   for( shift=limit; shift>=0; shift--)
      {
      Price1 = iMA(NULL,0,1,0,0,Price,shift);
      Price2 = iMA(NULL,0,1,0,0,Price,shift+1); 
      
         if (Mode==0)
         {
         Bulls[shift] = 0.5*(MathAbs(Price1-Price2)+(Price1-Price2));
         Bears[shift] = 0.5*(MathAbs(Price1-Price2)-(Price1-Price2));
         }
        
         if (Mode==1)
         {
         smax=High[Highest(NULL,0,MODE_HIGH,Length,shift)];
         smin=Low[Lowest(NULL,0,MODE_LOW,Length,shift)];
         
         Bulls[shift] = Price1 - smin;
         Bears[shift] = smax - Price1;
         }
         
         if (Mode==2)
         {
         Bulls[shift] = 0.5*(MathAbs(High[shift]-High[shift+1])+(High[shift]-High[shift+1]));
         Bears[shift] = 0.5*(MathAbs(Low[shift+1]-Low[shift])+(Low[shift+1]-Low[shift]));
         }
      
      
      }
      
      for( shift=limit; shift>=0; shift--)
      {
      AvgBulls[shift]=iMAOnArray(Bulls,0,Length,0,ModeMA,shift);     
      AvgBears[shift]=iMAOnArray(Bears,0,Length,0,ModeMA,shift);
      }
      
      for( shift=limit; shift>=0; shift--)
      {
      SmthBulls[shift]=iMAOnArray(AvgBulls,0,Smooth,0,ModeMA,shift);     
      SmthBears[shift]=iMAOnArray(AvgBears,0,Smooth,0,ModeMA,shift);
      }
                
      for( shift=limit; shift>=0; shift--)
      {
         if (OverBought > 0 && OverSold > 0 )
         {
         SigBulls[shift]=OverBought/100*(SmthBulls[shift]+SmthBears[shift]);
         SigBears[shift]=OverSold/100*(SmthBulls[shift]+SmthBears[shift]);
         }
         else
         {
         SigBulls[shift]=iMAOnArray(SmthBulls,0,Signal,0,ModeMA,shift);     
         SigBears[shift]=iMAOnArray(SmthBears,0,Signal,0,ModeMA,shift);
         }
      }
//----
   return(0);
  }
//+------------------------------------------------------------------+