//+-------------------------------------------------------------------------+ //| t3_Aroon_Horn_Osc.mq4 | //| Copyright 2005, | //| http://finance.groups.yahoo.com/group/MetaTrader_Experts_and_Indicators/| //+-------------------------------------------------------------------------+ #property copyright "Copyright 2005," #property link "http://finance.groups.yahoo.com/group/MetaTrader_Experts_and_Indicators/" #property indicator_separate_window #property indicator_buffers 1 #property indicator_color1 DodgerBlue #property indicator_level1 0 extern double Aroon_Horn_Period = 5.0; extern double T3_Period = 5.0; extern double b = 0.500; extern int CountBars=200; double MapBuffer[]; double e1,e2,e3,e4,e5,e6; double c1,c2,c3,c4; double n,w1,w2,b2,b3; double m1,m2,med; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators setting SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,1,DodgerBlue); IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)); IndicatorShortName("t3_Aroon_Horn_Osc "+T3_Period); SetIndexBuffer(0,MapBuffer); //---- variable reset e1=0; e2=0; e3=0; e4=0; e5=0; e6=0; c1=0; c2=0; c3=0; c4=0; n=0; w1=0; w2=0; b2=0; b3=0; b2=b*b; b3=b2*b; c1=-b3; c2=(3*(b2+b3)); c3=-3*(2*b2+b+b3); c4=(1+3*b+b3+3*b2); n=T3_Period; if (n<1) n=1; n = 1 + (0.5*(n-1)); w1 = 2 / (n + 1); w2 = 1 - w1; //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int limit=500; //---- indicator calculation for(int i=limit; i>=0; i--) { m1=(iCustom(Symbol(), 0, "Aroon_Horn",Aroon_Horn_Period,0,i)); m2=(iCustom(Symbol(), 0, "Aroon_Horn",Aroon_Horn_Period,1,i)); //m1=(High[i]-Low[i]); //m2=(High[i+1]-Low[i+1]); med=m1-m2; e1 = ((w1*med) + w2*e1); e2 = ((w1*e1) + w2*e2); e3 = ((w1*e2) + w2*e3); e4 = ((w1*e3) + w2*e4); e5 = ((w1*e4) + w2*e5); e6 = ((w1*e5) + w2*e6); MapBuffer[i]=((((c1*e6) + c2*e5) + c3*e4) + c4*e3)*1000; } //---- return(0); } //+------------------------------------------------------------------+