//+------------------------------------------------------------------+ //| ttf.mq4 | //| Copyright 2005, Nick Bilak | //| | //+------------------------------------------------------------------+ #property copyright "Copyright 2005, Nick Bilak" #property link "beluck[at]gmail.com" #property indicator_separate_window #property indicator_buffers 2 #property indicator_color1 LightSeaGreen #property indicator_color2 Red //---- input parameters extern int TTFbars=7; //15=default number of bars for computation extern int TopLine=100; extern int BottomLine=-100; extern int t3_period=6; extern double b=1.618; //---- buffers double MainBuffer[]; double SignalBuffer[]; //---- int draw_begin1=0; int draw_begin2=0; double b2=0; double b3=0; double c1=0; double c2=0; double c3=0; double c4=0; double r=0; double w1=0; double w2=0; double e1 = 0; double e2 = 0; double e3 = 0; double e4 = 0; double e5 = 0; double e6 = 0; double HighestHighRecent=0; double HighestHighOlder =0; double LowestLowRecent =0; double LowestLowOlder =0; double BuyPower =0; double SellPower=0; double TTF=0; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { string short_name; //---- 2 additional buffers are used for counting. IndicatorBuffers(2); //---- indicator lines SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0, MainBuffer); SetIndexStyle(1,DRAW_LINE); SetIndexBuffer(1, SignalBuffer); //---- name for DataWindow and indicator subwindow label short_name="TTF_look-ahead ("+TTFbars+") "; IndicatorShortName(short_name); SetIndexLabel(0,short_name); SetIndexLabel(1,"Signal"); //---- draw_begin1=TTFbars*2+1+TTFbars*3; draw_begin2=draw_begin1; SetIndexDrawBegin(0,draw_begin1); SetIndexDrawBegin(1,draw_begin2); 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); r=t3_period; if (r<1) r=1; r = 1 + 0.5*(r-1); w1 = 2 / (r + 1); w2 = 1 - w1; //---- return(0); } //+------------------------------------------------------------------+ //| ttf | //+------------------------------------------------------------------+ int start() { int i,k; int counted_bars=IndicatorCounted(); double price; //---- if(Bars<=draw_begin2) return(0); //---- initial zero if(counted_bars<1) { for(i=1;i<=draw_begin1;i++) MainBuffer[Bars-i]=0; for(i=1;i<=draw_begin2;i++) SignalBuffer[Bars-i]=0; } //---- %K line i=Bars-draw_begin1; if(counted_bars>draw_begin1) i=Bars-counted_bars-1; while(i>=0) { HighestHighRecent=High[Highest(NULL,0,MODE_HIGH,TTFbars,i-TTFbars+1)];//High[Highest(MODE_HIGH,shift+TTFbars-1,TTFbars)]; HighestHighOlder =High[Highest(NULL,0,MODE_HIGH,TTFbars,i+1)];//High[Highest(MODE_HIGH,shift+TTFbars*2-1,TTFbars)]; LowestLowRecent =Low[Lowest(NULL,0,MODE_LOW,TTFbars,i-TTFbars+1)];//Low [Lowest (MODE_LOW ,shift+TTFbars-1,TTFbars)]; LowestLowOlder =Low[Lowest(NULL,0,MODE_LOW,TTFbars,i+1)];//Low [Lowest (MODE_LOW ,shift+TTFbars*2-1,TTFbars)]; BuyPower =HighestHighRecent-LowestLowOlder; SellPower=HighestHighOlder -LowestLowRecent; TTF=(BuyPower-SellPower)/(0.5*(BuyPower+SellPower))*100; e1 = w1*TTF + 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; TTF = c1*e6 + c2*e5 + c3*e4 + c4*e3; MainBuffer[i]=TTF; i--; } //---- last counted bar will be recounted if(counted_bars>0) counted_bars--; int limit=Bars-counted_bars; //---- signal line is simple movimg average for(i=0; i=0) SignalBuffer[i]=TopLine; else SignalBuffer[i]=BottomLine; } //---- return(0); } //+------------------------------------------------------------------+