templates/Alligator.mqt

   1 <expert>\r
   2 type=INDICATOR_ADVISOR\r
   3 description=\r
   4 separate_window=1\r
   5 used_buffers=3\r
   6 <param>\r
   7 name=JawsPeriod\r
   8 type=int\r
   9 value=13\r
  10 </param>\r
  11 <param>\r
  12 name=JawsShift\r
  13 type=int\r
  14 value=8\r
  15 </param>\r
  16 <param>\r
  17 name=TeethPeriod\r
  18 type=int\r
  19 value=8\r
  20 </param>\r
  21 <param>\r
  22 name=TeethShift\r
  23 type=int\r
  24 value=5\r
  25 </param>\r
  26 <param>\r
  27 name=LipsPeriod\r
  28 type=int\r
  29 value=5\r
  30 </param>\r
  31 <param>\r
  32 name=LipsShift\r
  33 type=int\r
  34 value=3\r
  35 </param>\r
  36 <ind>\r
  37 color=Blue\r
  38 </ind>\r
  39 <ind>\r
  40 color=Red\r
  41 </ind>\r
  42 <ind>\r
  43 color=Lime\r
  44 </ind>\r
  45 </expert>\r
  46 #header#\r
  47 #property copyright "#copyright#"\r
  48 #property link      "#link#"\r
  49 \r
  50 #indicator_properties#\r
  51 #extern_variables#\r
  52 #mapping_buffers#\r
  53 //---- indicator buffers\r
  54 double ExtBlueBuffer[];\r
  55 double ExtRedBuffer[];\r
  56 double ExtLimeBuffer[];\r
  57 \r
  58 //+------------------------------------------------------------------+\r
  59 //| Custom indicator initialization function                         |\r
  60 //+------------------------------------------------------------------+\r
  61 int init()\r
  62   {\r
  63    #buffers_used#\r
  64 //---- line shifts when drawing\r
  65    SetIndexShift(0,JawsShift);\r
  66    SetIndexShift(1,TeethShift);\r
  67    SetIndexShift(2,LipsShift);\r
  68 //---- first positions skipped when drawing\r
  69    SetIndexDrawBegin(0,JawsShift+JawsPeriod);\r
  70    SetIndexDrawBegin(1,TeethShift+TeethPeriod);\r
  71    SetIndexDrawBegin(2,LipsShift+LipsPeriod);\r
  72 //---- 3 indicator buffers mapping\r
  73    SetIndexBuffer(0,ExtBlueBuffer);\r
  74    SetIndexBuffer(1,ExtRedBuffer);\r
  75    SetIndexBuffer(2,ExtLimeBuffer);\r
  76 //---- drawing settings\r
  77    #indicators_init#\r
  78 //---- initialization done\r
  79    return(0);\r
  80   }\r
  81 //+------------------------------------------------------------------+\r
  82 //| Bill Williams' Alligator                                         |\r
  83 //+------------------------------------------------------------------+\r
  84 int start()\r
  85   {\r
  86    int limit;\r
  87    int counted_bars=IndicatorCounted();\r
  88 //---- check for possible errors\r
  89    if(counted_bars<0) return(-1);\r
  90 //---- last counted bar will be recounted\r
  91    if(counted_bars>0) counted_bars--;\r
  92    limit=Bars-counted_bars;\r
  93 //---- main loop\r
  94    for(int i=0; i<limit; i++)\r
  95      {\r
  96       //---- ma_shift set to 0 because SetIndexShift called abowe\r
  97       ExtBlueBuffer[i]=iMA(NULL,0,JawsPeriod,0,MODE_SMMA,PRICE_MEDIAN,i);\r
  98       ExtRedBuffer[i]=iMA(NULL,0,TeethPeriod,0,MODE_SMMA,PRICE_MEDIAN,i);\r
  99       ExtLimeBuffer[i]=iMA(NULL,0,LipsPeriod,0,MODE_SMMA,PRICE_MEDIAN,i);\r
 100      }\r
 101 //---- done\r
 102    return(0);\r
 103   }\r
 104 //+------------------------------------------------------------------+\r
 105 \r