//+------------------------------------------------------------------+
//| NB_SHI_Channel.mq4 |
//| Copyright © 2005, Nick Bilak |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Nick Bilak"
#property link ""
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Red
//#property indicator_color2 Green
//#property indicator_color3 Green
//#property indicator_color4 Green
double buf1[];
double buf2[];
double buf3[];
double ExtMapBuffer1[];
//---- 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,buf1);
SetIndexStyle(2,DRAW_LINE);
SetIndexBuffer(2,buf2);
SetIndexStyle(3,DRAW_LINE);
SetIndexBuffer(3,buf3);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
void DelObj()
{
ObjectDelete("TL1");
ObjectDelete("TL2");
ObjectDelete("MIDL");
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
// if( Time[0]>= StrToTime("2005.8.19 06:00")) return(0);
int counted_bars=IndicatorCounted();
//----
if ((AllBars==0) || (Bars<AllBars)) AB=Bars; else AB=AllBars;
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;
B1=-1; B2=-1; UpDown=0;
while(((B1==-1) || (B2==-1)) && (CurrentBar<AB))
{
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);}
Step=(P2-P1)/(B2-B1);
P1=P1-B1*Step; B1=0;
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;}
}
P2=P1+AB*Step;
T1=Time[B1]; T2=Time[AB];
//----
if(iprice!=0) ExtMapBuffer1[ishift]=iprice;
DelObj();
ObjectCreate("TL1",OBJ_TREND,0,T2,PP+Step*AB,T1,PP);
ObjectSet("TL1",OBJPROP_COLOR,Lime);
ObjectSet("TL1",OBJPROP_WIDTH,2);
ObjectSet("TL1",OBJPROP_STYLE,STYLE_SOLID);
ObjectCreate("TL2",OBJ_TREND,0,T2,P2,T1,P1);
ObjectSet("TL2",OBJPROP_COLOR,Lime);
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,Lime);
ObjectSet("MIDL",OBJPROP_WIDTH,1);
ObjectSet("MIDL",OBJPROP_STYLE,STYLE_DOT);
//----
double cbars=AB-B1;
double startPP=PP+Step*AB, endPP=PP;
double startP1=P2, endP1=P1;
double startP2=(P2+PP+Step*AB)/2, endP2=(P1+PP)/2;
double deltaPP=(startPP-endPP)/cbars;
double deltaP1=(startP1-endP1)/cbars;
double deltaP2=(startP2-endP2)/cbars;
buf1[AB]=startPP;
buf2[AB]=startP1;
buf3[AB]=startP2;
for(int i=AB-1; i>=0; i--)
{
buf1[i]=buf1[i+1]-deltaPP;
buf2[i]=buf2[i+1]-deltaP1;
buf3[i]=buf3[i+1]-deltaP2;
}
//----
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: