//+------------------------------------------------------------------+ //| Trend Trigger (Bars).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_chart_window #property indicator_buffers 2 #property indicator_color1 Pink #property indicator_color2 Aqua //---- input parameters extern int TTFbars=15; extern int t3_period=5; extern double b=0.7; //---- buffers //---- buffers double ExtMapBuffer1[]; double ExtMapBuffer2[]; // Variable Specific: string IndicatorName = "py.TTF"; string Version = "S01"; double HighestHighRecent, HighestHighOlder, LowestLowRecent, LowestLowOlder, BuyPower, SellPower,TTF; double t3,e1,e2,e3,e4,e5,e6,c1,c2,c3,c4,r,w1,w2,b2,b3; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators //---- indicators SetIndexStyle(0,DRAW_HISTOGRAM, 0, 1, Red); SetIndexBuffer(0, ExtMapBuffer1); SetIndexStyle(1,DRAW_HISTOGRAM, 0, 1, White); SetIndexBuffer(1, ExtMapBuffer2); //---- SetIndexDrawBegin(0,10); SetIndexDrawBegin(1,10); //---- indicator buffers mapping SetIndexBuffer(0,ExtMapBuffer1); SetIndexBuffer(1,ExtMapBuffer2); 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); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int counted_bars=IndicatorCounted(); //---- int limit = Bars-counted_bars-1; for(int i=limit; i>0; i--) { HighestHighRecent = High[Highest(NULL,0,MODE_HIGH,TTFbars,i)]; HighestHighOlder = High[Highest(NULL,0,MODE_HIGH,TTFbars,i + TTFbars)]; LowestLowRecent = Low [Lowest(NULL,0,MODE_LOW,TTFbars,i)]; LowestLowOlder = Low [Lowest(NULL,0,MODE_LOW,TTFbars,i+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; if (TTF >= 100) { ExtMapBuffer1[i]=Low[i]; ExtMapBuffer2[i]=High[i]; } else if (TTF <= -100) { ExtMapBuffer1[i]=High[i]; ExtMapBuffer2[i]=Low[i]; } else { ExtMapBuffer1[i]=Low[i]; ExtMapBuffer2[i]=Low[i]; } } //---- return(0); } //+------------------------------------------------------------------+