www.pudn.com > RedbinaryoptionsDL.zip > EMA_Trend_Indicator_BO.mq4, change:2010-04-28,size:3024b


//+------------------------------------------------------------------+ 
//|                                          EMA_Trend_Indicator.mq4 | 
//|                                Copyright ゥ 2006, Robert L Hill   | 
//+------------------------------------------------------------------+ 
// Uses an idea from david to use EMAs to determine trend 
#property copyright "Copyright ゥ 2005, Metaquotes" 
#property link      "mailto:metaquotes@metaquotes.net" 
#property indicator_chart_window 
#property indicator_buffers 4 
#property indicator_color1 Yellow 
#property indicator_color2 Purple 
#property indicator_color3 Purple 
#property indicator_color4 Yellow 
#property indicator_width1 2 
#property indicator_width2 2 
#property indicator_width3 2 
#property indicator_width4 2 
//---- input parameters 
extern int FastMAPeriod=21; 
extern int SlowMAPeriod=34; 
//---- buffers 
double fastEMA_HighBuffer[]; 
double fastEMA_LowBuffer[]; 
double slowEMA_HighBuffer[]; 
double slowEMA_LowBuffer[]; 
//---- variables 
//+------------------------------------------------------------------+ 
//| Custom indicator initialization function                         | 
//+------------------------------------------------------------------+ 
int init() 
{ 
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1); 
   //---- indicators 
   SetIndexStyle(0,DRAW_LINE); 
   SetIndexBuffer(0,slowEMA_HighBuffer); 
   SetIndexStyle(1,DRAW_LINE); 
   SetIndexBuffer(1,slowEMA_LowBuffer); 
   SetIndexStyle(2,DRAW_LINE); 
   SetIndexBuffer(2,fastEMA_HighBuffer); 
   SetIndexStyle(3,DRAW_LINE); 
   SetIndexBuffer(3,fastEMA_LowBuffer); 
   SetIndexDrawBegin(0,SlowMAPeriod); 
   //---- name for DataWindow and indicator subwindow label 
   IndicatorShortName("MA Trend "); 
   //---- 
   return(0); 
} 
//+------------------------------------------------------------------+ 
//| Custor indicator deinitialization function                       | 
//+------------------------------------------------------------------+ 
int deinit() 
{ 
   //----  
   //---- 
   return(0); 
} 
 
//+------------------------------------------------------------------+ 
//| Custom indicator iteration function                              | 
//+------------------------------------------------------------------+ 
int start() 
{ 
   int limit; 
   int counted_bars = IndicatorCounted(); 
   //---- check for possible errors 
   if (counted_bars<0) return(-1); 
   //---- last counted bar will be recounted 
   if (counted_bars>0) counted_bars--; 
   limit = Bars - counted_bars; 
   for(int i=limit; i>=0; i--) 
   { 
     fastEMA_HighBuffer[i] = iMA(NULL,0,FastMAPeriod,0,MODE_EMA,PRICE_HIGH,i); 
     fastEMA_LowBuffer[i] = iMA(NULL,0,FastMAPeriod,0,MODE_EMA,PRICE_LOW,i); 
     slowEMA_HighBuffer[i] = iMA(NULL,0,SlowMAPeriod,0,MODE_EMA,PRICE_HIGH,i); 
     slowEMA_LowBuffer[i] = iMA(NULL,0,SlowMAPeriod,0,MODE_EMA,PRICE_LOW,i); 
   } 
   //---- 
   return(0); 
} 
//+------------------------------------------------------------------+

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