#(SF_TREND_LINES)

Author: Copyright � 2007, ForexArea.com

This tool is designed to automatically identify and visualize price channels on a trading chart. It focuses on capturing the structural "path" of the market by identifying significant peaks and valleys (fractals) and projecting them forward as trend lines.

Core Logic and Functionality

1. Automated Structural Identification The script scans historical price data to find specific pivot points, known as "fractals." These are significant highs and lows where the price reverses direction. The logic distinguishes between:

High Fractals: Points where the price reached a local peak relative to the surrounding bars.
Low Fractals: Points where the price reached a local trough relative to the surrounding bars.

The sensitivity of these points is automatically adjusted based on the timeframe you are viewing (e.g., it looks for more frequent fluctuations on smaller timeframes and broader movements on larger ones).

2. Channel Construction Once two consecutive significant fractals are identified (either two highs or two lows), the script calculates the mathematical relationship between them:

Slope Calculation: It determines the "step" or angle of movement between these two points.
Trend Projection: Using this slope, it draws three distinct lines on your chart:
- Upper Bound: The primary trend line based on the identified peaks.
- Lower Bound: The primary trend line based on the identified troughs.
- Median Line: A dotted center line representing the average path of the price action.

3. Dynamic Price Analysis The script performs real-time calculations to provide immediate feedback in the form of text data on your chart:

Channel Geometry: It calculates the total width (size) of the channel and the specific slope angle.
Market Context: It provides a detailed summary of the current daily trading environment, including:
- The current range of the day.
- Moving averages of historical price ranges to give a sense of "normal" volatility.
- Current distance from the opening price in pips.
- Calculated "Top" and "Bottom" daily ranges based on average volatility.

4. Visual Aids To assist with live trading, the script includes a dynamic timer that displays exactly how many minutes and seconds remain until the current candle closes. It also creates unique labels for the trend lines based on the specific timeframe being used (e.g., "H4", "D1"), ensuring that information remains clear and organized as you switch between different views.

Summary of User Experience

For a trader, this means the tool automatically "draws" the boundaries of the current market trend for you. Instead of manually placing lines, it identifies the most significant structural points in the price history, projects them forward to show where the price is headed, and provides a comprehensive data summary of today's volatility and range at a glance.

Price Data Components

Miscellaneous

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#(SF_TREND_LINES)

//+------------------------------------------------------------------+
//|                                            #(SF_TREND_LINES).mq4 |
//|                                   Copyright © 2007 ForexArea.com |
//|        Utilizing code from SHI_Channel_true.mq4 by Shurka & Kevin|
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, ForexArea.com"
#property link      "http://www.forexarea.com"

//+------------------------------------------------------------------+
//|                                                                  |
//|                                           SUGGESTIONS FOR USE    |
//|                                           -------------------    |
//|                 1. Put on WK chart, set color, remove from chart.|
//|                        2. Repeat on all currency pairs you trade.|
//|                 3. Change TF to D1, set color, remove from chart.|
//|                        4. Repeat on all currency pairs you trade.|
//|                            5. Do the same on 4HR TF of all pairs.|
//|                                                                  |
//|        Don't forget to remove indicator before switching TF's!!!!|
//|                                                                  |
//+------------------------------------------------------------------+

#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Red
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
//---- input parameters
extern color     LineColor = DarkOrange;
extern int       AllBars=240;
extern int       BarsForFract=0;
int CurrentBar=0;
double Step=0;
int B1=-1,B2=-1;
int UpDown=0;
double P1=0,P2=0,PP=0;
int i=0,AB=300,BFF=0;
int ishift=0;
double iprice=0;
datetime T1,T2;
string TL1, TL2, MIDL, TFS;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexArrow(0,164);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexEmptyValue(0,0.0);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexBuffer(2,ExtMapBuffer3);
   
   //unique names for lines based on Period();
   switch(Period()){
      case(1):
         TFS = "M1";
         break;
      case(5):
         TFS = "M5";
         break;
      case(30):
         TFS = "M30";
         break;
      case(60):
         TFS = "H1";
         break;
      case(240):
         TFS = "H4";
         break;
      case(1440):
         TFS = "D1";
         break;
      case(10080):
         TFS = "WK1";
         break;
      case(43200):
         TFS = "MN1";
         break;
      default:
         TFS = "UNKNOWN_TIMEFRAME";
         break;
   }
   TL1 = "TL1_" + TFS;
   TL2 = "TL2_" + TFS;
   MIDL = "MIDL_" + TFS;
   //---
//----
	
	
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
   
//----
   return(0);
  }

void DelObj()
{
	ObjectDelete(TL1);
	ObjectDelete(TL2);
	ObjectDelete(MIDL);
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
  
  
	double j;
	string temp;
   int m,s,k;
   m=Time[0]+Period()*60-CurTime();
   j=m/60.0;
   s=m%60;
   m=(m-m%60)/60;
   temp = ( m + " minutes " + s + " seconds left to bar end");
	
	
   ObjectDelete("time");
   
   if(ObjectFind("time") != 0)
   {
   ObjectCreate("time", OBJ_TEXT, 0, Time[0], Close[0]+ 0.0005);
   ObjectSetText("time", "                                 <--"+m+":"+s, 13, "Verdana", Yellow);
   }
   else
   {
   ObjectMove("time", 0, Time[0], Close[0]+0.0005);
   }
   
   int    counted_bars=IndicatorCounted();
//---- 
	if ((AllBars==0) || (Bars<AllBars)) AB=Bars; else AB=AllBars; //AB-êîëè÷åñòâî îáñ÷èòûâàåìûõ áàðîâ
	if (BarsForFract>0) 
		BFF=BarsForFract; 
	else
	{
		switch (Period())
		{
			case 1: BFF=12; break;
			case 5: BFF=48; break;
			case 15: BFF=24; break;
			case 30: BFF=24; break;
			case 60: BFF=12; break;
			case 240: BFF=15; break;
			case 1440: BFF=10; break;
			case 10080: BFF=6; break;
			default: DelObj(); return(-1); break;
		}
	}
	CurrentBar=2; //ñ÷èòàåì ñ òðåòüåãî áàðà, ÷òîáû ôðàêòàë "çàêðåïèëñÿ
	B1=-1; B2=-1; UpDown=0;
	while(((B1==-1) || (B2==-1)) && (CurrentBar<AB))
	{
		//UpDown=1 çíà÷èò ïåðâûé ôðàêòàë íàéäåí ñâåðõó, UpDown=-1 çíà÷èò ïåðâûé ôðàêòàë
		//íàéäåí ñíèçó, UpDown=0 çíà÷èò ôðàêòàë åù¸ íå íàéäåí.
		//Â1 è Â2 - íîìåðà áàðîâ ñ ôðàêòàëàìè, ÷åðåç íèõ ñòðîèì îïîðíóþ ëèíèþ.
		//Ð1 è Ð2 - ñîîòâåòñòâåííî öåíû ÷åðåç êîòîðûå áóäåì ëèíèþ ïðîâîäèòü

		if((UpDown<1) && (CurrentBar==Lowest(Symbol(),Period(),MODE_LOW,BFF*2+1,CurrentBar-BFF))) 
		{
			if(UpDown==0) { UpDown=-1; B1=CurrentBar; P1=Low[B1]; }
			else { B2=CurrentBar; P2=Low[B2];}
		}
		if((UpDown>-1) && (CurrentBar==Highest(Symbol(),Period(),MODE_HIGH,BFF*2+1,CurrentBar-BFF))) 
		{
			if(UpDown==0) { UpDown=1; B1=CurrentBar; P1=High[B1]; }
			else { B2=CurrentBar; P2=High[B2]; }
		}
		CurrentBar++;
	}
	if((B1==-1) || (B2==-1)) {DelObj(); return(-1);} // Çíà÷èò íå íàøëè ôðàêòàëîâ ñðåäè 300 áàðîâ 8-)
	Step=(P2-P1)/(B2-B1);//Âû÷èñëèëè øàã, åñëè îí ïîëîæèòåëüíûé, òî êàíàë íèñõîäÿùèé
	P1=P1-B1*Step; B1=0;//ïåðåñòàâëÿåì öåíó è ïåðâûé áàð ê íóëþ
	//À òåïåðü îïîðíóþ òî÷êó ïðîòèâîïîëîæíîé ëèíèè êàíàëà.
	ishift=0; iprice=0;
	if(UpDown==1)
	{ 
		PP=Low[2]-2*Step;
		for(i=3;i<=B2;i++) 
		{
			if(Low[i]<PP+Step*i) { PP=Low[i]-i*Step; }
		}
		if(Low[0]<PP) {ishift=0; iprice=PP;}
		if(Low[1]<PP+Step) {ishift=1; iprice=PP+Step;}
		if(High[0]>P1) {ishift=0; iprice=P1;}
		if(High[1]>P1+Step) {ishift=1; iprice=P1+Step;}
	} 
	else
	{ 
		PP=High[2]-2*Step;
		for(i=3;i<=B2;i++) 
		{
			if(High[i]>PP+Step*i) { PP=High[i]-i*Step;}
		}
		if(Low[0]<P1) {ishift=0; iprice=P1;}
		if(Low[1]<P1+Step) {ishift=1; iprice=P1+Step;}
		if(High[0]>PP) {ishift=0; iprice=PP;}
		if(High[1]>PP+Step) {ishift=1; iprice=PP+Step;}
	}
	//Òåïåðü ïåðåñòàâèì êîíå÷íóþ öåíó è áàð íà ÀÂ, ÷òîáû ëèíèè êàíàëà ðèñîâàëèñü ïîäëèííåå
	P2=P1+AB*Step;
	T1=Time[B1]; T2=Time[AB];

	//Åñëè íå áûëî ïåðåñå÷åíèÿ êàíàëà, òî 0, èíà÷å ñòàâèì ïñèñó.
	if(iprice!=0) ExtMapBuffer1[ishift]=iprice;
	DelObj();
	ObjectCreate(TL1,OBJ_TREND,0,T2,PP+Step*AB,T1,PP); 
		ObjectSet(TL1,OBJPROP_COLOR,LineColor); 
		ObjectSet(TL1,OBJPROP_WIDTH,2); 
		ObjectSet(TL1,OBJPROP_STYLE,STYLE_SOLID); 
	ObjectCreate(TL2,OBJ_TREND,0,T2,P2,T1,P1); 
		ObjectSet(TL2,OBJPROP_COLOR,LineColor); 
		ObjectSet(TL2,OBJPROP_WIDTH,2); 
		ObjectSet(TL2,OBJPROP_STYLE,STYLE_SOLID); 
	ObjectCreate(MIDL,OBJ_TREND,0,T2,(P2+PP+Step*AB)/2,T1,(P1+PP)/2);
		ObjectSet(MIDL,OBJPROP_COLOR,LineColor); 
		ObjectSet(MIDL,OBJPROP_WIDTH,1); 
		ObjectSet(MIDL,OBJPROP_STYLE,STYLE_DOT);
		Comment("\nChannel size = ", DoubleToStr(MathAbs(PP - P1)/Point,0), " Slope = ", DoubleToStr(-Step/Point, 2) + "\nSpread @ " +
		DoubleToStr(MarketInfo(Symbol(),MODE_SPREAD),0) + CreateHL());
		//Comment(temp);
//----
   //channel distance of last/current bar
   ExtMapBuffer2[0] = NormalizeDouble(MathAbs(PP - P1)/Point,0);
   //angle of channel
   ExtMapBuffer3[0] = NormalizeDouble(-Step/Point, 2);
//----
   return(0);
  }
//+------------------------------------------------------------------+

string CreateHL()
   {

  double HI2 = iHigh(NULL,1440,0);
  double LOW2 = iLow(NULL,1440,0); 
  double HI3 = iHigh(NULL,1440,1);
  double LOW3 = iLow(NULL,1440,1);
  double HI4 = iHigh(NULL,1440,0);
  double LOW4 = iLow(NULL,1440,0);
  double HI5 = iHigh(NULL,1440,2);
  double LOW5 = iLow(NULL,1440,2);
  double HI6 = iHigh(NULL,1440,3);
  double LOW6 = iLow(NULL,1440,3);
  double HI7 = iHigh(NULL,1440,4);
  double LOW7 = iLow(NULL,1440,4);
  double HI8 = iHigh(NULL,1440,5);
  double LOW8 = iLow(NULL,1440,5);
  double HI9 = iHigh(NULL,1440,6);
  double LOW9 = iLow(NULL,1440,6);
  double HI10 = iHigh(NULL,1440,7);
  double LOW10 = iLow(NULL,1440,7);
  double HI11 = iHigh(NULL,1440,8);
  double LOW11 = iLow(NULL,1440,8);
  double HI12 = iHigh(NULL,1440,9);
  double LOW12 = iLow(NULL,1440,9);
  double HI13 = iHigh(NULL,1440,10);
  double LOW13 = iLow(NULL,1440,10);
  double HI14 = iHigh(NULL,1440,11);
  double LOW14 = iLow(NULL,1440,11);
  double HI15 = iHigh(NULL,1440,12);
  double LOW15 = iLow(NULL,1440,12);
  double HI16 = iHigh(NULL,1440,13);
  double LOW16 = iLow(NULL,1440,13);
  double HI17 = iHigh(NULL,1440,14);
  double LOW17 = iLow(NULL,1440,14);
  double HI18 = iHigh(NULL,1440,15);
  double LOW18 = iLow(NULL,1440,15);
  double HI19 = iHigh(NULL,1440,16);
  double LOW19 = iLow(NULL,1440,16);
  double HI20 = iHigh(NULL,1440,17);
  double LOW20 = iLow(NULL,1440,17);
  double HI21 = iHigh(NULL,1440,18);
  double LOW21 = iLow(NULL,1440,18);
  double HI22 = iHigh(NULL,1440,19);
  double LOW22 = iLow(NULL,1440,19);
  double HI23 = iHigh(NULL,1440,20);
  double LOW23 = iLow(NULL,1440,20);
  
  double OPEN = iOpen(NULL,1440,0);
  double CLOSE = iClose(NULL,1440,0);
  
  double ONE = (HI3-LOW3)/2;
  
  double FIVE = ((HI3-LOW3)+(HI5-LOW5)+(HI6-LOW6)+(HI7-LOW7)+(HI8-LOW8))/10;
                   
                
  double TEN = ((HI3-LOW3)+(HI5-LOW5)+(HI6-LOW6)+(HI7-LOW7)+(HI8-LOW8)+
                  (HI9-LOW9)+(HI10-LOW10)+(HI11-LOW11)+(HI12-LOW12)+(HI13-LOW13))/20;
                    
  double TWENTY = ((HI3-LOW3)+(HI5-LOW5)+(HI6-LOW6)+(HI7-LOW7)+(HI8-LOW8)+
               (HI9-LOW9)+(HI10-LOW10)+(HI11-LOW11)+(HI12-LOW12)+(HI13-LOW13)+
               (HI14-LOW14)+(HI15-LOW15)+(HI16-LOW16)+(HI17-LOW17)+(HI18-LOW18)+
               (HI19-LOW19)+(HI20-LOW20)+(HI21-LOW21)+(HI22-LOW22)+(HI23-LOW23))/40; 
                                              
  double AV = (FIVE+TEN+TWENTY)/3;// New SettingAV = (FIVE+TEN+TWENTY)/3;
  
  double AV2 = ((FIVE+TEN+TWENTY)/3) * MathPow(10, Digits);
  
  double HIDaily = iHigh(NULL,1440,0)-(AV);
  double LOWDaily = iLow(NULL,1440,0)+(AV);
  double HIDaily1 = iHigh(NULL,1440,0); 
  double LOWDaily1 =iLow(NULL,1440,0); 
  double HIDaily2 = iHigh(NULL,1440,0)-(AV)*2; 
  double LOWDaily2 =iLow(NULL,1440,0)+(AV)*2; 
  string PipsFromOpen;
  

  if(Bid >= OPEN){
   PipsFromOpen = DoubleToStr((Bid - OPEN) / Point, 0);
  }else{
   PipsFromOpen =  DoubleToStr(-(OPEN - Bid) / Point, 0);
  }

string retVal = "\nTODAYS RANGE: " + DoubleToStr((HI2-LOW2)/Point, 0) + "\n"+"AVG. Daily Average: " +
 DoubleToStr(AV2,0) + "\n" + "Open: "+  DoubleToStr(OPEN,Digits)+"\n"+ "Today\'s Hi: "+ DoubleToStr(HI2, Digits)
+"  Low: "+ DoubleToStr(LOW2, Digits)+"\n"+ "Pips from Open: "+ PipsFromOpen+
                    "\n"+"Top Daily Range: "+DoubleToStr(LOWDaily2, Digits)+"\n"+
                    "Bottom Daily Range: "+ DoubleToStr(HIDaily2, Digits)+"\n";
                    

   
   return(retVal);
  }

#(SF_TREND_LINES)

Core Logic and Functionality

Summary of User Experience

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