MT4智能交易编程示例 Aligator指标

MT4智能交易

MT4智能交易编程示例 Aligator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 "Bill Williams' Aligator"
   
4. #property strict
   
5. 
   
6. //---- indicator settings
   
7. #property indicator_chart_window
   
8. #property indicator_buffers 3
   
9. #property indicator_color1  Blue
   
10. #property indicator_color2  Red
    
11. #property indicator_color3  Lime
    
12. //---- input parameters
    
13. input int InpJawsPeriod=13; // Jaws Period
    
14. input int InpJawsShift=8;   // Jaws Shift
    
15. input int InpTeethPeriod=8; // Teeth Period
    
16. input int InpTeethShift=5;  // Teeth Shift
    
17. input int InpLipsPeriod=5;  // Lips Period
    
18. input int InpLipsShift=3;   // Lips Shift
    
19. //---- indicator buffers
    
20. double ExtBlueBuffer[];
    
21. double ExtRedBuffer[];
    
22. double ExtLimeBuffer[];
    
23. //+------------------------------------------------------------------+
    
24. //| Custom indicator initialization function                         |
    
25. //+------------------------------------------------------------------+
    
26. void OnInit(void)
    
27.   {
    
28.    IndicatorDigits(Digits);
    
29. //---- line shifts when drawing
    
30.    SetIndexShift(0,InpJawsShift);
    
31.    SetIndexShift(1,InpTeethShift);
    
32.    SetIndexShift(2,InpLipsShift);
    
33. //---- first positions skipped when drawing
    
34.    SetIndexDrawBegin(0,InpJawsShift+InpJawsPeriod);
    
35.    SetIndexDrawBegin(1,InpTeethShift+InpTeethPeriod);
    
36.    SetIndexDrawBegin(2,InpLipsShift+InpLipsPeriod);
    
37. //---- 3 indicator buffers mapping
    
38.    SetIndexBuffer(0,ExtBlueBuffer);
    
39.    SetIndexBuffer(1,ExtRedBuffer);
    
40.    SetIndexBuffer(2,ExtLimeBuffer);
    
41. //---- drawing settings
    
42.    SetIndexStyle(0,DRAW_LINE);
    
43.    SetIndexStyle(1,DRAW_LINE);
    
44.    SetIndexStyle(2,DRAW_LINE);
    
45. //---- index labels
    
46.    SetIndexLabel(0,"Gator Jaws");
    
47.    SetIndexLabel(1,"Gator Teeth");
    
48.    SetIndexLabel(2,"Gator Lips");
    
49.   }
    
50. //+------------------------------------------------------------------+
    
51. //| Bill Williams' Alligator                                         |
    
52. //+------------------------------------------------------------------+
    
53. int OnCalculate(const int rates_total,
    
54.                 const int prev_calculated,
    
55.                 const datetime &time[],
    
56.                 const double &open[],
    
57.                 const double &high[],
    
58.                 const double &low[],
    
59.                 const double &close[],
    
60.                 const long &tick_volume[],
    
61.                 const long &volume[],
    
62.                 const int &spread[])
    
63.   {
    
64.    int limit=rates_total-prev_calculated;
    
65. //---- main loop
    
66.    for(int i=0; i<limit; i++)
    
67.      {
    
68.       //---- ma_shift set to 0 because SetIndexShift called abowe
    
69.       ExtBlueBuffer[i]=iMA(NULL,0,InpJawsPeriod,0,MODE_SMMA,PRICE_MEDIAN,i);
    
70.       ExtRedBuffer[i]=iMA(NULL,0,InpTeethPeriod,0,MODE_SMMA,PRICE_MEDIAN,i);
    
71.       ExtLimeBuffer[i]=iMA(NULL,0,InpLipsPeriod,0,MODE_SMMA,PRICE_MEDIAN,i);
    
72.      }
    
73. //---- done
    
74.    return(rates_total);
    
75.   }
    
76. //+------------------------------------------------------------------+
    

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