MT4智能交易编程示例 OSMA指标

MT4智能交易

MT4智能交易编程示例 OSMA指标

1. #property copyright   "路路发智能交易研发中心"
   
2. #property link        "http://www.ea668.com"
   
3. #property description "Moving Averages of Oscillator"
   
4. #property strict
   
5. 
   
6. #include <MovingAverages.mqh>
   
7. 
   
8. //--- indicator settings
   
9. #property  indicator_separate_window
   
10. #property  indicator_buffers 1
    
11. #property  indicator_color1  Silver
    
12. #property  indicator_width1  2
    
13. //--- indicator parameters
    
14. input int InpFastEMA=12;   // Fast EMA Period
    
15. input int InpSlowEMA=26;   // Slow EMA Period
    
16. input int InpSignalSMA=9;  // Signal SMA Period
    
17. //--- indicator buffers
    
18. double ExtOsmaBuffer[];
    
19. double ExtMacdBuffer[];
    
20. double ExtSignalBuffer[];
    
21. //--- right input parameters flag
    
22. bool   ExtParameters=false;
    
23. //+------------------------------------------------------------------+
    
24. //| Custom indicator initialization function                         |
    
25. //+------------------------------------------------------------------+
    
26. int OnInit(void)
    
27.   {
    
28. //--- 2 additional buffers are used for counting.
    
29.    IndicatorBuffers(3);
    
30. //--- drawing settings
    
31.    SetIndexStyle(0,DRAW_HISTOGRAM);
    
32.    SetIndexDrawBegin(0,InpSignalSMA);
    
33.    IndicatorDigits(Digits+2);
    
34. //--- 3 indicator buffers mapping
    
35.    SetIndexBuffer(0,ExtOsmaBuffer);
    
36.    SetIndexBuffer(1,ExtMacdBuffer);
    
37.    SetIndexBuffer(2,ExtSignalBuffer);
    
38. //--- name for DataWindow and indicator subwindow label
    
39.    IndicatorShortName("OsMA("+IntegerToString(InpFastEMA)+","+IntegerToString(InpSlowEMA)+","+IntegerToString(InpSignalSMA)+")");
    
40. //--- check for input parameters
    
41.    if(InpFastEMA<=1 || InpSlowEMA<=1 || InpSignalSMA<=1 || InpFastEMA>=InpSlowEMA)
    
42.      {
    
43.       Print("Wrong input parameters");
    
44.       ExtParameters=false;
    
45.       return(INIT_FAILED);
    
46.      }
    
47.    else
    
48.       ExtParameters=true;
    
49. //--- initialization done
    
50.    return(INIT_SUCCEEDED);
    
51.   }
    
52. //+------------------------------------------------------------------+
    
53. //| Moving Average of Oscillator                                     |
    
54. //+------------------------------------------------------------------+
    
55. int OnCalculate (const int rates_total,
    
56.                  const int prev_calculated,
    
57.                  const datetime& time[],
    
58.                  const double& open[],
    
59.                  const double& high[],
    
60.                  const double& low[],
    
61.                  const double& close[],
    
62.                  const long& tick_volume[],
    
63.                  const long& volume[],
    
64.                  const int& spread[])
    
65.   {
    
66.    int i,limit;
    
67. //---
    
68.    if(rates_total<=InpSignalSMA || !ExtParameters)
    
69.       return(0);
    
70. //--- last counted bar will be recounted
    
71.    limit=rates_total-prev_calculated;
    
72.    if(prev_calculated>0)
    
73.       limit++;
    
74. //--- macd counted in the 1-st buffer
    
75.    for(i=0; i<limit; i++)
    
76.       ExtMacdBuffer[i]=iMA(NULL,0,InpFastEMA,0,MODE_EMA,PRICE_CLOSE,i)-
    
77.                     iMA(NULL,0,InpSlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
    
78. //--- signal line counted in the 2-nd buffer
    
79.    SimpleMAOnBuffer(rates_total,prev_calculated,0,InpSignalSMA,ExtMacdBuffer,ExtSignalBuffer);
    
80. //--- main loop
    
81.    for(i=0; i<limit; i++)
    
82.       ExtOsmaBuffer[i]=ExtMacdBuffer[i]-ExtSignalBuffer[i];
    
83. //--- done
    
84.    return(0);
    
85.   }
    
86. //+------------------------------------------------------------------+
    

复制代码