SHI Channel11_v1





//+------------------------------------------------------------------+
//|                                                  SHI_Channel11.mq4 |
//|                                 Copyright © 2004, Shurka & Kevin |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, Shurka & Kevin"
#property link      ""

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Blue
#property indicator_color2 Green
#property indicator_color3 Red
#property indicator_color4 Red
double ExtMapBuffer1[];
double midBuffer1[];
double ABuffer1[];
double BBuffer1[];
//---- input parameters
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;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexArrow(0,164);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexEmptyValue(0,0.0);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(1,midBuffer1);
   SetIndexEmptyValue(1,0.0);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexBuffer(2,ABuffer1);
   SetIndexStyle(3,DRAW_LINE);
   SetIndexBuffer(3,BBuffer1);
 
//----
	
	
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
   
//----
   return(0);
  }

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

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int    counted_bars=IndicatorCounted();
//---- 
	if ((AllBars==0) || (Bars<AllBars)) AB=Bars; else AB=AllBars; //AB-êîëè÷???âî î??÷è?ûâà??û? ?à?îâ
	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; //?÷è?à?? ? ????ü??î ?à?à, ÷?î?û ô?àê?àë "çàê??ïèë??
	B1=-1; B2=-1; UpDown=0;
	while(((B1==-1) || (B2==-1)) && (CurrentBar<AB))
	{
		//UpDown=1 ç?à÷è? ï??âûé ô?àê?àë ?àé??? ?â????, UpDown=-1 ç?à÷è? ï??âûé ô?àê?àë
		//?àé??? ??èç?, UpDown=0 ç?à÷è? ô?àê?àë ?ù¸ ?? ?àé???.
		//A1 è A2 - ?î???à ?à?îâ ? ô?àê?àëà?è, ÷???ç ?è? ???îè? îïî???? ëè?è?.
		//?1 è ?2 - ?îî?â????â???î ???û ÷???ç êî?î?û? ????? ëè?è? ï?îâî?è?ü

		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);} // C?à÷è? ?? ?à?ëè ô?àê?àëîâ ????è 300 ?à?îâ 8-)
	Step=(P2-P1)/(B2-B1);//Aû÷è?ëèëè ?à?, ??ëè î? ïîëî?è??ëü?ûé, ?î êà?àë ?è??î??ùèé
	P1=P1-B1*Step; B1=0;//ï?????àâë??? ???? è ï??âûé ?à? ê ??ë?
	//A ??ï??ü îïî???? ?î÷ê? ï?î?èâîïîëî??îé ëè?èè êà?àëà.
	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;}
	}
	//??ï??ü ï?????àâè? êî??÷??? ???? è ?à? ?à AA, ÷?î?û ëè?èè êà?àëà ?è?îâàëè?ü ïî?ëè????
	P2=P1+AB*Step;
	T1=Time[B1]; T2=Time[AB];

	//??ëè ?? ?ûëî ï?????÷??è? êà?àëà, ?î 0, è?à÷? ??àâè? ï?è??.
	if(iprice!=0) ExtMapBuffer1[ishift]=iprice;
	
	for(i=0;i<=240;i++)
   {
	if (Step<=0)
	{
	midBuffer1[i]=(P1+PP)/2-MathAbs(Step*i);
	ABuffer1[i]=(P1+PP)/2-MathAbs(Step*i)+MathAbs(PP - P1)/2;
	BBuffer1[i]=(P1+PP)/2-MathAbs(Step*i)-MathAbs(PP - P1)/2;
	}
	else
	{
		midBuffer1[i]=(P1+PP)/2+MathAbs(Step*i);
		ABuffer1[i]=(P1+PP)/2+MathAbs(Step*i)+MathAbs(PP - P1)/2;
   	BBuffer1[i]=(P1+PP)/2+MathAbs(Step*i)-MathAbs(PP - P1)/2;
	}
	}
	DelObj();
 
		Comment(" Channel size = ", DoubleToStr(MathAbs(PP - P1)/Point,0), " Slope = ", DoubleToStr(-Step/Point, 2));
//----
   return(0);
  }
//+------------------------------------------------------------------+



Sample





Analysis



Market Information Used:

Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Series array that contains open time of each bar


Indicator Curves created:

Implements a curve of type DRAW_ARROW

Implements a curve of type DRAW_LINE

Indicators Used:



Custom Indicators Used:

Order Management characteristics:

Other Features: