indicators/ATR Channels.mq4

   1 //+------------------------------------------------------------------+\r
   2 //|                                                 ATR Channels.mq4 |\r
   3 //|                         Copyright © 2005, Luis Guilherme Damiani |\r
   4 //|                                      http://www.damianifx.com.br |\r
   5 //+------------------------------------------------------------------+\r
   6 \r
   7 #property copyright "Copyright © 2005, Luis Guilherme Damiani"\r
   8 #property link      "http://www.damianifx.com.br"\r
   9 #property indicator_chart_window\r
  10 #property  indicator_buffers 7\r
  11 #property  indicator_color1  Aqua //Moving Average\r
  12 #property  indicator_color2  DeepSkyBlue // Lower band 1\r
  13 #property  indicator_color3  DeepSkyBlue // Upper band 1\r
  14 #property  indicator_color4  RoyalBlue // Lower band 2\r
  15 #property  indicator_color5  RoyalBlue // Upper band 2\r
  16 #property  indicator_color6  BlueViolet // Lower band 3\r
  17 #property  indicator_color7  BlueViolet // Upper band 3\r
  18 //---- indicator buffers\r
  19 double     MA_Buffer0[];\r
  20 double     Ch1up_Buffer1[];\r
  21 double     Ch1dn_Buffer2[];\r
  22 double     Ch2up_Buffer3[];\r
  23 double     Ch2dn_Buffer4[];\r
  24 double     Ch3up_Buffer5[];\r
  25 double     Ch3dn_Buffer6[];\r
  26 \r
  27 //---- input parameters\r
  28 extern int       PeriodsATR=18;\r
  29 extern int       MA_Periods=49;\r
  30 extern int       MA_type=MODE_LWMA;\r
  31 extern double       Mult_Factor1= 1.6;\r
  32 extern double       Mult_Factor2= 3.2;\r
  33 extern double       Mult_Factor3= 4.8;\r
  34 \r
  35 //+------------------------------------------------------------------+\r
  36 //| Custom indicator initialization function                         |\r
  37 //+------------------------------------------------------------------+\r
  38 int init()\r
  39   {\r
  40   string mat;\r
  41  \r
  42 //---7- indicators\r
  43 // MA\r
  44    SetIndexStyle(0,DRAW_LINE);\r
  45    SetIndexBuffer(0,MA_Buffer0);\r
  46    SetIndexDrawBegin(0,0);\r
  47    /*if (MA_type==MODE_LWMA)SetIndexLabel(0,"WMA"+MA_Periods) else \r
  48    {\r
  49       if (MA_type==MODE_SMA) SetIndexLabel(0,"SMA"+MA_Periods) else\r
  50       {\r
  51          if (MA_type==MODE_EMA) SetIndexLabel(0,"EMA"+MA_Periods) else \r
  52          SetIndexLabel(0,"SMMA"+MA_Periods);\r
  53       }; \r
  54    };*/      \r
  55   // ATR 1 up\r
  56    SetIndexStyle(1,DRAW_LINE);\r
  57    SetIndexBuffer(1,Ch1up_Buffer1);\r
  58    SetIndexDrawBegin(1,0);\r
  59    SetIndexLabel(1,"ATRu "+PeriodsATR+", "+Mult_Factor1);\r
  60   // ATR 1 down\r
  61    SetIndexStyle(2,DRAW_LINE);\r
  62    SetIndexBuffer(2,Ch1dn_Buffer2);\r
  63    SetIndexDrawBegin(2,0);\r
  64    SetIndexLabel(2,"ATRd "+PeriodsATR+", "+Mult_Factor1);\r
  65 // ATR 2 up\r
  66    SetIndexStyle(3,DRAW_LINE);\r
  67    SetIndexBuffer(3,Ch2up_Buffer3);\r
  68    SetIndexDrawBegin(3,0);\r
  69    SetIndexLabel(3,"ATRu "+PeriodsATR+", "+Mult_Factor2);\r
  70   // ATR 2 down\r
  71    SetIndexStyle(4,DRAW_LINE);\r
  72    SetIndexBuffer(4,Ch2dn_Buffer4);\r
  73    SetIndexDrawBegin(4,0);\r
  74    SetIndexLabel(4,"ATRd "+PeriodsATR+", "+Mult_Factor2);\r
  75    // ATR 3 up\r
  76    SetIndexStyle(5,DRAW_LINE);\r
  77    SetIndexBuffer(5,Ch3up_Buffer5);\r
  78    SetIndexDrawBegin(5,0);\r
  79    SetIndexLabel(5,"ATRu "+PeriodsATR+", "+Mult_Factor3);\r
  80   // ATR 3 down\r
  81    SetIndexStyle(6,DRAW_LINE);\r
  82    SetIndexBuffer(6,Ch3dn_Buffer6);\r
  83    SetIndexDrawBegin(6,0);\r
  84    SetIndexLabel(6,"ATRd "+PeriodsATR+", "+Mult_Factor3);\r
  85 //----\r
  86    return(0);\r
  87   }\r
  88 //+------------------------------------------------------------------+\r
  89 //| Custor indicator deinitialization function                       |\r
  90 //+------------------------------------------------------------------+\r
  91 int deinit()\r
  92   {//---- \r
  93    \r
  94 //----\r
  95    return(0);\r
  96   }\r
  97 //+------------------------------------------------------------------+\r
  98 //| Custom indicator iteration function                              |\r
  99 //+------------------------------------------------------------------+\r
 100 int start()\r
 101   {\r
 102    int fixed_bars=IndicatorCounted();\r
 103    for(int i=0;i< Bars - fixed_bars;i++)\r
 104      {\r
 105          double atr=iATR(NULL,0,PeriodsATR,i);\r
 106          double ma=iMA(NULL,0,MA_Periods,0,MA_type,PRICE_TYPICAL,i);\r
 107          MA_Buffer0[i]=ma;\r
 108          Ch1up_Buffer1[i]=ma+atr*Mult_Factor1;\r
 109          Ch1dn_Buffer2[i]=ma-atr*Mult_Factor1;\r
 110          \r
 111          Ch2up_Buffer3[i]=ma+atr*Mult_Factor2;\r
 112          Ch2dn_Buffer4[i]=ma-atr*Mult_Factor2;\r
 113          \r
 114          Ch3up_Buffer5[i]=ma+atr*Mult_Factor3;\r
 115          Ch3dn_Buffer6[i]=ma-atr*Mult_Factor3;\r
 116       }  \r
 117    \r
 118 //---- \r
 119    \r
 120 //----\r
 121    return(0);\r
 122   }\r
 123 \r