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HeikenAshi_DM.mq4

Time: 2014-08-03 | Download file:HeikenAshi_DM.mq4

//+------------------------------------------------------------------+
//|                                                HeikenAshi_DM.mq4 |
//|                      Copyright c 2004, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//|                                        revised, Dean Malone      |
//+------------------------------------------------------------------+
//| 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 © 2004, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Crimson
#property indicator_color2 RoyalBlue
#property indicator_color3 Crimson
#property indicator_color4 RoyalBlue
//---- 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, Crimson);
   SetIndexBuffer(0, ExtMapBuffer1);
   SetIndexLabel(0,"HA_0");                           //included "HA_0" Buffer Label for Data Window                        
   SetIndexStyle(1,DRAW_HISTOGRAM, 0, 1, RoyalBlue);
   SetIndexBuffer(1, ExtMapBuffer2);
   SetIndexLabel(1,"HA_1");                           //included "HA_1" Buffer Label for Data Window
   SetIndexStyle(2,DRAW_HISTOGRAM, 0, 3, Crimson);
   SetIndexBuffer(2, ExtMapBuffer3);
   SetIndexLabel(2,"HA_Open");                        //included "HA_Open" Buffer Label for Data Window
   SetIndexStyle(3,DRAW_HISTOGRAM, 0, 3, RoyalBlue);
   SetIndexBuffer(3, ExtMapBuffer4);
   SetIndexLabel(3,"HA_Close");                       //included "HA_Close" Buffer Label for Data Window
//----
   SetIndexDrawBegin(0,10);
   SetIndexDrawBegin(1,10);
   SetIndexDrawBegin(2,10);
   SetIndexDrawBegin(3,10);
//---- indicator buffers mapping
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexBuffer(2,ExtMapBuffer3);//HA_Open
   SetIndexBuffer(3,ExtMapBuffer4);//HA_Close
//---- 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        

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