www.pudn.com > RedbinaryoptionsDL.zip > Heiken Ashi_BO.mq4, change:2013-01-29,size:3732b


//+------------------------------------------------------------------+ 
//|                                                  Heiken Ashi.mq4 | 
//|                      Copyright c 2004, MetaQuotes Software Corp. | 
//|                                        http://www.metaquotes.net | 
//+------------------------------------------------------------------+ 
//| For Heiken Ashi we recommend next chart settings ( press F8 or   | 
//| select on menu 'Charts'->'Properties...'):                       | 
//|  - On 'Color' Tab select 'Black' for 'Line Graph'                | 
//|  - On 'Common' Tab disable 'Chart on Foreground' checkbox and    | 
//|    select 'Line Chart' radiobutton                               | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright ゥ 2004, MetaQuotes Software Corp." 
#property link      "http://www.metaquotes.net" 
#property indicator_chart_window 
#property indicator_buffers 4 
#property indicator_color1 Red 
#property indicator_color2 White 
#property indicator_color3 Red 
#property indicator_color4 White 
//---- buffers 
double ExtMapBuffer1[]; 
double ExtMapBuffer2[]; 
double ExtMapBuffer3[]; 
double ExtMapBuffer4[]; 
//---- 
int ExtCountedBars=0; 
//+------------------------------------------------------------------+ 
//| Custom indicator initialization function                         | 
//|------------------------------------------------------------------| 
int init() 
  { 
//---- indicators 
   SetIndexStyle(0,DRAW_HISTOGRAM, 0, 1, Red); 
   SetIndexBuffer(0, ExtMapBuffer1); 
   SetIndexStyle(1,DRAW_HISTOGRAM, 0, 1, White); 
   SetIndexBuffer(1, ExtMapBuffer2); 
   SetIndexStyle(2,DRAW_HISTOGRAM, 0, 3, Red); 
   SetIndexBuffer(2, ExtMapBuffer3); 
   SetIndexStyle(3,DRAW_HISTOGRAM, 0, 3, White); 
   SetIndexBuffer(3, ExtMapBuffer4); 
//---- 
   SetIndexDrawBegin(0,10); 
   SetIndexDrawBegin(1,10); 
   SetIndexDrawBegin(2,10); 
   SetIndexDrawBegin(3,10); 
//---- indicator buffers mapping 
   SetIndexBuffer(0,ExtMapBuffer1); 
   SetIndexBuffer(1,ExtMapBuffer2); 
   SetIndexBuffer(2,ExtMapBuffer3); 
   SetIndexBuffer(3,ExtMapBuffer4); 
//---- initialization done 
   return(0); 
  } 
//+------------------------------------------------------------------+ 
//| Custom indicator deinitialization function                       | 
//+------------------------------------------------------------------+ 
int deinit() 
  { 
//---- TODO: add your code here 
//---- 
   return(0); 
  } 
//+------------------------------------------------------------------+ 
//| Custom indicator iteration function                              | 
//+------------------------------------------------------------------+ 
int start() 
  { 
   double haOpen, haHigh, haLow, haClose; 
   if(Bars<=10) return(0); 
   ExtCountedBars=IndicatorCounted(); 
//---- check for possible errors 
   if (ExtCountedBars<0) return(-1); 
//---- last counted bar will be recounted 
   if (ExtCountedBars>0) ExtCountedBars--; 
   int pos=Bars-ExtCountedBars-1; 
   while(pos>=0) 
     { 
      haOpen=(ExtMapBuffer3[pos+1]+ExtMapBuffer4[pos+1])/2; 
      haClose=(Open[pos]+High[pos]+Low[pos]+Close[pos])/4; 
      haHigh=MathMax(High[pos], MathMax(haOpen, haClose)); 
      haLow=MathMin(Low[pos], MathMin(haOpen, haClose)); 
      if (haOpen<haClose)  
        { 
         ExtMapBuffer1[pos]=haLow; 
         ExtMapBuffer2[pos]=haHigh; 
        }  
      else 
        { 
         ExtMapBuffer1[pos]=haHigh; 
         ExtMapBuffer2[pos]=haLow; 
        }  
      ExtMapBuffer3[pos]=haOpen; 
      ExtMapBuffer4[pos]=haClose; 
 	   pos--; 
     } 
//---- 
   return(0); 
  } 
//+------------------------------------------------------------------+

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