//+------------------------------------------------------------------+ //| T3_TrendCF.mq4 | //| CF = Continuation Factor | //| Converted by and Copyright of: Ronald Verwer/ROVERCOM | //| 27/04/06 | //+------------------------------------------------------------------+ #property indicator_separate_window #property indicator_buffers 4 #property indicator_color1 Green #property indicator_color2 Orange #property indicator_color3 Silver #property indicator_color4 Silver #property indicator_width1 2 #property indicator_width2 2 #property indicator_width3 1 #property indicator_width4 1 extern int T3_Period = 16; extern double T3_Continuation_Factor = 0.618; double t1[]; double t2[]; double t3[]; double t4[]; double x1[]; double x2[]; double e1,e2,e3,e4,e5,e6; double c1,c2,c3,c4; double n,w1,w2,b1,b2,b3; double ee1,ee2,ee3,ee4,ee5,ee6; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators setting IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+2); IndicatorShortName("T3 TrendCF "+T3_Period); IndicatorBuffers(6); SetIndexBuffer(0,t1); SetIndexBuffer(1,t2); SetIndexBuffer(2,t3); SetIndexBuffer(3,t4); SetIndexBuffer(4,x1); SetIndexBuffer(5,x2); SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2); SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2); SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID,1); SetIndexStyle(3,DRAW_LINE,STYLE_SOLID,1); SetIndexLabel(0,"T3 pos: "+T3_Period); SetIndexLabel(1,"T3 neg: "+T3_Period); SetLevelStyle(0,1,Silver); SetLevelValue(0,0); //---- variable reset e1=0; e2=0; e3=0; e4=0; e5=0; e6=0; ee1=0; ee2=0; ee3=0; ee4=0; ee5=0; ee6=0; b1=T3_Continuation_Factor; b2=b1*b1; b3=b2*b1; c1=-b3; c2=(3*(b2+b3)); c3=-3*(2*b2+b1+b3); c4=(1+3*b1+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 i,q,limit; double chp,chn,cffp,cffn; 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; //---- indicator calculation for(i=limit; i>=0; i--) { x1[i]=iCustom(NULL,0,"Trend_CF",0,i); e1 = w1*x1[i] + 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; x2[i]=iCustom(NULL,0,"Trend_CF",1,i); ee1 = w1*x2[i] + w2*ee1; ee2 = w1*ee1 + w2*ee2; ee3 = w1*ee2 + w2*ee3; ee4 = w1*ee3 + w2*ee4; ee5 = w1*ee4 + w2*ee5; ee6 = w1*ee5 + w2*ee6; t1[i]=c1*e6 + c2*e5 + c3*e4 + c4*e3; t2[i]=c1*ee6 + c2*ee5 + c3*ee4 + c4*ee3; t3[i]=t1[i]-t2[i]; t4[i]=t3[i]; } //---- return(0); } //+------------------------------------------------------------------+