//+------------------------------------------------------------------+ //| Relativ Vigor Index.mq4 | //| Copyright © 2005, MetaQuotes Software Corp. | //| http://www.metaquotes.net/ | //+------------------------------------------------------------------+ #property copyright "Copyright © 2005, MetaQuotes Software Corp." #property link "http://www.metaquotes.net/" //---- indicator settings #property indicator_separate_window #property indicator_buffers 2 #property indicator_color1 Green #property indicator_color2 Red //---- indicator parameters extern int ExtRVIPeriod=10; //---- indicator buffers double ExtRVIBuffer[]; double ExtRVISignalBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicator buffers mapping SetIndexBuffer(0,ExtRVIBuffer); SetIndexBuffer(1,ExtRVISignalBuffer); //---- indicator line SetIndexStyle(0,DRAW_LINE); SetIndexStyle(1,DRAW_LINE); //---- drawing settings SetIndexDrawBegin(0,ExtRVIPeriod+3); SetIndexDrawBegin(1,ExtRVIPeriod+7); //---- name for DataWindow and indicator subwindow label IndicatorShortName("RVI("+ExtRVIPeriod+")"); SetIndexLabel(0,"RVI"); SetIndexLabel(1,"RVIS"); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| Relativ Vigor Index | //+------------------------------------------------------------------+ int start() { int i,j,nLimit,nCountedBars; double dValueUp,dValueDown,dNum,dDeNum; //---- if(Bars<=ExtRVIPeriod+8) return(0); //---- nCountedBars=IndicatorCounted(); //---- check for possible errors if(nCountedBars<0) return(-1); //---- last counted bar will be recounted nLimit=Bars-ExtRVIPeriod-4; if(nCountedBars>ExtRVIPeriod+4) nLimit=Bars-nCountedBars; //---- RVI counted in the 1-st buffer for(i=0; i<=nLimit; i++) { dNum=0.0; dDeNum=0.0; for(j=i; jExtRVIPeriod+8) nLimit=Bars-nCountedBars+1; for(i=0; i<=nLimit; i++) ExtRVISignalBuffer[i]=(ExtRVIBuffer[i]+2*ExtRVIBuffer[i+1]+2*ExtRVIBuffer[i+2]+ExtRVIBuffer[i+3])/6; //---- return(0); } //+------------------------------------------------------------------+