//+------------------------------------------------------------------+ //| ROC.mq4 | //| Copyright 2006, Robert Hill | //| | //+------------------------------------------------------------------+ #property copyright "Copyright 2006, Robert Hill" //---- indicator settings #property indicator_separate_window #property indicator_buffers 1 #property indicator_color1 Red //---- indicator parameters extern int RPeriod=10; extern bool UsePercent = false; //---- indicator buffers double RateOfChange[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- drawing settings SetIndexStyle(0,DRAW_LINE); SetIndexDrawBegin(0,RPeriod); IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1); //---- indicator buffers mapping if(!SetIndexBuffer(0,RateOfChange)) Print("cannot set indicator buffers!"); //---- name for DataWindow and indicator subwindow label IndicatorShortName("ROC("+RPeriod+")"); SetIndexLabel(0,"ROC"); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| Moving Averages Convergence/Divergence | //+------------------------------------------------------------------+ int start() { int limit; double ROC, CurrentClose, PrevClose; 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; //---- ROC calculation for(int i=0; i