HeikenAshi.mq4

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"
    
14. 
    
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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HeikenAshi.zip

2016-4-21 13:07

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