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HeikenAshi.mq4
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  • 楼主admin 圈主
  • 2019-05-05 05:15
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  1. //+------------------------------------------------------------------+
  2. //|                                                  Heiken Ashi.mq4 |
  3. //|                        Copyright 2004, metaQuotes Software Corp. |
  4. //|                                        http://www.metaquotes.net |
  5. //+------------------------------------------------------------------+
  6. //| For Heiken Ashi we recommend next chart settings ( press F8 or   |
  7. //| select on menu 'Charts'->'Properties...'):                       |
  8. //|  - On 'Color' Tab select 'Black' for 'Line Graph'                |
  9. //|  - On 'Common' Tab disable 'Chart on Foreground' checkbox and    |
  10. //|    select 'Line Chart' radiobutton                               |
  11. //+------------------------------------------------------------------+
  12. #property copyright "Copyright 2004, metaQuotes Software Corp."
  13. #property link      "http://www.metaquotes.net"

  15. #property indicator_chart_window
  16. #property indicator_buffers 4
  17. #property indicator_color1 Red
  18. #property indicator_color2 Blue
  19. #property indicator_color3 Red
  20. #property indicator_color4 Blue
  21. //---- buffers
  22. double ExtMapBuffer1[];
  23. double ExtMapBuffer2[];
  24. double ExtMapBuffer3[];
  25. double ExtMapBuffer4[];
  26. //----
  27. int ExtCountedBars=0;
  28. //+------------------------------------------------------------------+
  29. //| Custom indicator initialization function                         |
  30. //|------------------------------------------------------------------|
  31. int init()
  32.   {
  33. //---- indicators
  34.    SetIndexStyle(0,DRAW_HISTOGRAM, 0, 1, Red);
  35.    SetIndexBuffer(0, ExtMapBuffer1);
  36.    SetIndexStyle(1,DRAW_HISTOGRAM, 0, 1, Blue);
  37.    SetIndexBuffer(1, ExtMapBuffer2);
  38.    SetIndexStyle(2,DRAW_HISTOGRAM, 0, 3, Red);
  39.    SetIndexBuffer(2, ExtMapBuffer3);
  40.    SetIndexStyle(3,DRAW_HISTOGRAM, 0, 3, Blue);
  41.    SetIndexBuffer(3, ExtMapBuffer4);
  42. //----
  43.    SetIndexDrawBegin(0,10);
  44.    SetIndexDrawBegin(1,10);
  45.    SetIndexDrawBegin(2,10);
  46.    SetIndexDrawBegin(3,10);
  47. //---- indicator buffers mapping
  48.    SetIndexBuffer(0,ExtMapBuffer1);
  49.    SetIndexBuffer(1,ExtMapBuffer2);
  50.    SetIndexBuffer(2,ExtMapBuffer3);
  51.    SetIndexBuffer(3,ExtMapBuffer4);
  52. //---- initialization done
  53.    return(0);
  54.   }
  55. //+------------------------------------------------------------------+
  56. //| Custor indicator deinitialization function                       |
  57. //+------------------------------------------------------------------+
  58. int deinit()
  59.   {
  60. //---- TODO: add your code here
  61.    
  62. //----
  63.    return(0);
  64.   }
  65. //+------------------------------------------------------------------+
  66. //| Custom indicator iteration function                              |
  67. //+------------------------------------------------------------------+
  68. int start()
  69.   {
  70.    double haOpen, haHigh, haLow, haClose;
  71.    if(Bars<=10) return(0);
  72.    ExtCountedBars=IndicatorCounted();
  73. //---- check for possible errors
  74.    if (ExtCountedBars<0) return(-1);
  75. //---- last counted bar will be recounted
  76.    if (ExtCountedBars>0) ExtCountedBars--;
  77.    int pos=Bars-ExtCountedBars-1;
  78.    while(pos>=0)
  79.      {
  80.       haOpen=(ExtMapBuffer3[pos+1]+ExtMapBuffer4[pos+1])/2;
  81.       haClose=(Open[pos]+High[pos]+Low[pos]+Close[pos])/4;
  82.       haHigh=MathMax(High[pos], MathMax(haOpen, haClose));
  83.       haLow=MathMin(Low[pos], MathMin(haOpen, haClose));
  84.       if (haOpen<haClose)
  85.         {
  86.          ExtMapBuffer1[pos]=haLow;
  87.          ExtMapBuffer2[pos]=haHigh;
  88.         }
  89.       else
  90.         {
  91.          ExtMapBuffer1[pos]=haHigh;
  92.          ExtMapBuffer2[pos]=haLow;
  93.         }
  94.       ExtMapBuffer3[pos]=haOpen;
  95.       ExtMapBuffer4[pos]=haClose;
  96.            pos--;
  97.      }
  98. //----
  99.    return(0);
  100.   }
  101. //+------------------------------------------------------------------+
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