//+------------------------------------------------------------------+
//| SHI_Channel.mq4 |
//| Copyright © 2004, Shurka & Kevin |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, Shurka & Kevin"
#property link ""
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Red
double ExtMapBuffer1[];
//---- input parameters
extern int AllBars=240;
extern int BarsForFract=0;
extern int ChannelAlert=50;
extern int SlopeAlert=25;
extern bool ChannelTalk=true;
int CurrentBar=0;
int alertTag;
double Step=0;
int B1=-1,B2=-1;
int UpDown=0;
double P1=0,P2=0,PP=0;
double OldChannelWidth,OldSlopeAngle;
int i=0,AB=300,BFF=0;
int ishift=0;
double iprice=0;
datetime T1,T2;
int firsttime=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0,164);
SetIndexBuffer(0,ExtMapBuffer1);
SetIndexEmptyValue(0,0.0);
//----
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();
string symbolTxt;
string WhatTxt;
if (Symbol()=="EURUSD") { symbolTxt = "Euro Dollar"; }
if (Symbol()=="EURJPY") { symbolTxt = "Euro Yen "; }
if (Symbol()=="EURAUD") { symbolTxt = "Euro Aussie "; }
if (Symbol()=="EURCAD") { symbolTxt = "Euro Canadian"; }
if (Symbol()=="EURCHF") { symbolTxt = "Euro Swiss"; }
if (Symbol()=="GBPUSD") { symbolTxt = "Cable Dollar"; }
if (Symbol()=="GBPJPY") { symbolTxt = "Cable Yen "; }
if (Symbol()=="GBPCHF") { symbolTxt = "Cable Swiss"; }
if (Symbol()=="AUDUSD") { symbolTxt = "Aussie"; }
if (Symbol()=="USDCHF") { symbolTxt = "Swiss Dollar"; }
if (Symbol()=="USDCAD") { symbolTxt = "Canada"; }
if (Symbol()=="USDJPY") { symbolTxt = "Yen Dollar"; }
if (Symbol()=="CHFJPY") { symbolTxt = "Swiss Yen "; }
if (Symbol()=="GOLD") { symbolTxt = "Gold"; }
//----
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();
double ChannelWidth=MathAbs(PP - P1)/Point;
double SlopeAngle=MathFloor((-Step/Point)*100);
ObjectCreate("TL1",OBJ_TREND,0,T2,PP+Step*AB,T1,PP);
// Channel is Green if width is greater than ChannelAlert (Default 50), otherwise it is Red
if(ChannelWidth >= ChannelAlert) {ObjectSet("TL1",OBJPROP_COLOR,Lime);}
else {ObjectSet("TL1",OBJPROP_COLOR,Red); }
ObjectSet("TL1",OBJPROP_WIDTH,2);
ObjectSet("TL1",OBJPROP_STYLE,STYLE_SOLID);
ObjectCreate("TL2",OBJ_TREND,0,T2,P2,T1,P1);
if(ChannelWidth >= ChannelAlert) {ObjectSet("TL2",OBJPROP_COLOR,Lime); }
else{ObjectSet("TL2",OBJPROP_COLOR,Red);}
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);
// Mid line is Green if Slope is greater than SlopeAlert (Default 25), otherwise it is Red
if(ChannelWidth >= ChannelAlert && MathAbs(SlopeAngle) >= SlopeAlert) {ObjectSet("MIDL",OBJPROP_COLOR,Lime); }
else{ObjectSet("MIDL",OBJPROP_COLOR,Red);}
ObjectSet("MIDL",OBJPROP_WIDTH,1);
ObjectSet("MIDL",OBJPROP_STYLE,STYLE_DOT);
WhatTxt="Change";
if (OldChannelWidth<ChannelWidth) WhatTxt="is widening";
if (OldChannelWidth>ChannelWidth) WhatTxt="is narrowing";
if (OldSlopeAngle<0 && SlopeAngle>0 )WhatTxt="Changed direction to up";
if (OldSlopeAngle>0 && SlopeAngle<0 )WhatTxt="Changed direction to down";
if(firsttime && ChannelTalk && alertTag != Time[0]&& OldChannelWidth!=ChannelWidth || OldSlopeAngle!=SlopeAngle)
{
//Alert("Shi Channel Change");
SpeechText("chee channel"+ WhatTxt+" "+symbolTxt);
alertTag = Time[0];
}
OldChannelWidth=ChannelWidth;
OldSlopeAngle=SlopeAngle;
firsttime=firsttime+1;
Comment(" Channel size = ", DoubleToStr(ChannelWidth,0), " Slope = ", DoubleToStr(SlopeAngle,0));
//----
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
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: