//+------------------------------------------------------------------+ //| TrendScalpIndc.mq4 | //| Copyright 2005, MetaQuotes Software Corp. | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property copyright "Copyright 2005, MetaQuotes Software Corp." #property link "http://www.metaquotes.net" #property indicator_separate_window #property indicator_buffers 2 #property indicator_color1 DeepSkyBlue #property indicator_color2 RoyalBlue //---- Parameters extern int TTFbars=15; extern bool UseT3Smoothing=false; extern int t3_period = 5; extern double b=0.7; extern int maxbars=5000; //---- buffers double ExtMapBuffer1[]; double ExtMapBuffer2[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0,ExtMapBuffer1); SetIndexStyle(1,DRAW_LINE); SetIndexBuffer(1,ExtMapBuffer2); //---- return(0); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int i,k; int counted_bars=IndicatorCounted(); i=Bars-1; if(counted_bars>0) i=Bars-counted_bars+0; //Note: to add the spread to the highesthigh price then uncomment below double sp = (MarketInfo(Symbol(),MODE_SPREAD)*Point); // double sp = 0; //---- double HighestHighRecent, HighestHighOlder, LowestLowRecent, LowestLowOlder, BuyPower, SellPower, TTF, TTF1; i = MathMin(i,maxbars); while (i>=0) { HighestHighRecent=High[Highest(NULL,0,MODE_HIGH,1, i+1)] + sp; HighestHighOlder =High[Highest(NULL,0,MODE_HIGH,TTFbars,i+2)] + sp; LowestLowRecent =Low[Lowest(NULL,0,MODE_LOW ,1,i+1)]; LowestLowOlder =Low[Lowest(NULL,0,MODE_LOW ,TTFbars,i+2)]; BuyPower =HighestHighRecent-LowestLowOlder; SellPower=HighestHighOlder -LowestLowRecent; TTF1=(BuyPower-SellPower)/(0.5*(BuyPower+SellPower))*100; if (UseT3Smoothing) TTF = GetT3Val( Symbol(), t3_period, b, TTF1); else TTF = TTF1; ExtMapBuffer1[i] = TTF; if (TTF>=0) ExtMapBuffer2[i] = 100; else ExtMapBuffer2[i] = -100; i--; } //---- return(0); } //+------------------------------------------------------------------+ double GetT3Val( string symbol, int t3_Period, double b, double dVal) { double e1,e2,e3,e4,e5,e6; double c1,c2,c3,c4; double n,w1,w2,b2,b3; 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 = Div(2,(n + 1)); w2 = 1 - w1; //---- indicator calculation e1 = w1* (dVal) + 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; return (NormalizeDouble( c1*e6 + c2*e5 + c3*e4 + c4*e3, MarketInfo(symbol,MODE_DIGITS))); } //+------------------------------------------------------------------+ double Div(double nVal, double nDiv) { if (nVal == 0 || nDiv == 0) { return (0); } return (nVal/nDiv); }