//+------------------------------------------------------------------+ //| Alligator.mq4 | //| Copyright 2005-2014, MetaQuotes Software Corp. | //| http://www.mql4.com | //+------------------------------------------------------------------+ #property copyright "2005-2014, MetaQuotes Software Corp." #property link "http://www.mql4.com" #property description "Bill Williams' Aligator" #property strict //---- indicator settings #property indicator_chart_window #property indicator_buffers 3 #property indicator_color1 Blue #property indicator_color2 Red #property indicator_color3 Lime //---- input parameters input int InpJawsPeriod=13; // Jaws Period input int InpJawsShift=8; // Jaws Shift input int InpTeethPeriod=8; // Teeth Period input int InpTeethShift=5; // Teeth Shift input int InpLipsPeriod=5; // Lips Period input int InpLipsShift=3; // Lips Shift //---- indicator buffers double ExtBlueBuffer[]; double ExtRedBuffer[]; double ExtLimeBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnInit(void) { IndicatorDigits(Digits); //---- line shifts when drawing SetIndexShift(0,InpJawsShift); SetIndexShift(1,InpTeethShift); SetIndexShift(2,InpLipsShift); //---- first positions skipped when drawing SetIndexDrawBegin(0,InpJawsShift+InpJawsPeriod); SetIndexDrawBegin(1,InpTeethShift+InpTeethPeriod); SetIndexDrawBegin(2,InpLipsShift+InpLipsPeriod); //---- 3 indicator buffers mapping SetIndexBuffer(0,ExtBlueBuffer); SetIndexBuffer(1,ExtRedBuffer); SetIndexBuffer(2,ExtLimeBuffer); //---- drawing settings SetIndexStyle(0,DRAW_LINE); SetIndexStyle(1,DRAW_LINE); SetIndexStyle(2,DRAW_LINE); //---- index labels SetIndexLabel(0,"Gator Jaws"); SetIndexLabel(1,"Gator Teeth"); SetIndexLabel(2,"Gator Lips"); } //+------------------------------------------------------------------+ //| Bill Williams' Alligator | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int prev_calculated, const datetime &time[], const double &open[], const double &high[], const double &low[], const double &close[], const long &tick_volume[], const long &volume[], const int &spread[]) { int limit=rates_total-prev_calculated; //---- main loop for(int i=0; i