templates/Accelerator.mqt

   1 <expert>\r
   2 type=INDICATOR_ADVISOR\r
   3 description=Accelerator Oscilator\r
   4 separate_window=1\r
   5 used_buffers=4\r
   6 <ind>\r
   7 color=Green\r
   8 type=DRAW_HISTOGRAM\r
   9 </ind>\r
  10 <ind>\r
  11 color=Red\r
  12 type=DRAW_HISTOGRAM\r
  13 </ind>\r
  14 </expert>\r
  15 #header#\r
  16 #property copyright "#copyright#"\r
  17 #property link      "#link#"\r
  18 \r
  19 #indicator_properties#\r
  20 #extern_variables#\r
  21 #mapping_buffers#\r
  22 //---- indicator buffers\r
  23 double ExtGreenBuffer[];\r
  24 double ExtRedBuffer[];\r
  25 double ExtMABuffer[];\r
  26 double ExtBuffer[];\r
  27 //+------------------------------------------------------------------+\r
  28 //| Custom indicator initialization function                         |\r
  29 //+------------------------------------------------------------------+\r
  30 int init()\r
  31   {\r
  32    #buffers_used#;\r
  33 //---- indicator buffers mapping\r
  34    SetIndexBuffer(0, ExtGreenBuffer);\r
  35    SetIndexBuffer(1, ExtRedBuffer);\r
  36    SetIndexBuffer(2, ExtMABuffer);\r
  37    SetIndexBuffer(3, ExtBuffer);\r
  38 //---- drawing settings\r
  39    #indicators_init#\r
  40 //----\r
  41    IndicatorDigits(6);\r
  42    SetIndexDrawBegin(0,38);\r
  43    SetIndexDrawBegin(1,38);\r
  44 //---- name for DataWindow and indicator subwindow label\r
  45    IndicatorShortName("AC");\r
  46 //---- initialization done\r
  47    return(0);\r
  48   }\r
  49 //+------------------------------------------------------------------+\r
  50 //| Accelerator/Decelerator Oscillator                               |\r
  51 //+------------------------------------------------------------------+\r
  52 int start()\r
  53   {\r
  54    int    limit;\r
  55    int    counted_bars=IndicatorCounted();\r
  56    double prev,current;\r
  57 //---- check for possible errors\r
  58    if(counted_bars<0) return(-1);\r
  59 //---- last counted bar will be recounted\r
  60    if(counted_bars>0) counted_bars--;\r
  61    limit=Bars-counted_bars;\r
  62 //---- macd counted in the 1-st additional buffer\r
  63    for(int i=0; i<limit; i++)\r
  64       ExtMABuffer[i]=iMA(NULL,0,5,0,MODE_SMA,PRICE_MEDIAN,i)-iMA(NULL,0,34,0,MODE_SMA,PRICE_MEDIAN,i);\r
  65 //---- signal line counted in the 2-nd additional buffer\r
  66    for(i=0; i<limit; i++)\r
  67       ExtBuffer[i]=iMAOnArray(ExtMABuffer,Bars,5,0,MODE_SMA,i);\r
  68 //---- dispatch values between 2 buffers\r
  69    bool up=true;\r
  70    for(i=limit-1; i>=0; i--)\r
  71      {\r
  72       current=ExtMABuffer[i]-ExtBuffer[i];\r
  73       prev=ExtMABuffer[i+1]-ExtBuffer[i+1];\r
  74       if(current>prev) up=true;\r
  75       if(current<prev) up=false;\r
  76       if(!up)\r
  77         {\r
  78          ExtRedBuffer[i]=current;\r
  79          ExtGreenBuffer[i]=0.0;\r
  80         }\r
  81       else\r
  82         {\r
  83          ExtGreenBuffer[i]=current;\r
  84          ExtRedBuffer[i]=0.0;\r
  85         }\r
  86      }\r
  87 //---- done\r
  88    return(0);\r
  89   }\r
  90 //+------------------------------------------------------------------+\r
  91 \r