//+------------------------------------------------------------------+
//| LabTrend1_v1.mq4 |
//| Copyright © 2006, Forex-TSD.com |
//| Written by IgorAD,igorad2003@yahoo.co.uk |
//| http://finance.groups.yahoo.com/group/TrendLaboratory |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Forex-TSD.com "
#property link "http://www.forex-tsd.com/"
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_color3 Blue
#property indicator_color4 Red
//---- input parameters
extern double Risk=3; //channel narrowing factor (1..10)
extern int Signal=1; //Display signals mode
extern int ColorBar=1; //Display color bars mode: 0-no,1-yes
extern int TimeFrame=0; //TimeFrame in min
extern int BarsNumber=1000;
//---- indicator buffers
double UpTrendSignal[];
double DownTrendSignal[];
double UpTrendBar[];
double DownTrendBar[];
double UpTrendBuffer[];
double DownTrendBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- indicator line
IndicatorBuffers(6);
SetIndexBuffer(0,UpTrendSignal);
SetIndexBuffer(1,DownTrendSignal);
SetIndexBuffer(2,UpTrendBar);
SetIndexBuffer(3,DownTrendBar);
SetIndexBuffer(4,UpTrendBuffer);
SetIndexBuffer(5,DownTrendBuffer);
SetIndexStyle(0,DRAW_ARROW);
SetIndexStyle(1,DRAW_ARROW);
SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID,2);
SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID,2);
SetIndexArrow(0,108);
SetIndexArrow(1,108);
//---- name for DataWindow and indicator subwindow label
short_name="LabTrend1("+Risk+")";
IndicatorShortName(short_name);
SetIndexLabel(0,"UpTrend Signal");
SetIndexLabel(1,"DownTrend Signal");
SetIndexLabel(2,"UpTrend Bar");
SetIndexLabel(3,"DownTrend Bar");
//----
SetIndexDrawBegin(0,9);
SetIndexDrawBegin(1,9);
SetIndexDrawBegin(2,9);
SetIndexDrawBegin(3,9);
//----
return(0);
}
//+------------------------------------------------------------------+
//| LabTrend1_v1 |
//+------------------------------------------------------------------+
int start()
{
datetime TimeArray[];
int i,shift,trend,y=0;
double high, low, price, sum, UpBar,DnBar;
double smax[25000],smin[25000],bsmax[25000],bsmin[25000];
double LowArray[],HighArray[];
int Line=0; //Display line mode: 0-no,1-yes
int Length=9; //Price Channel Period
for (shift=BarsNumber-1;shift>=0;shift--)
{
UpTrendBuffer[shift]=0.0;
DownTrendBuffer[shift]=0.0;
UpTrendSignal[shift]=0.0;
DownTrendSignal[shift]=0.0;
UpTrendBar[shift]=0.0;
DownTrendBar[shift]=0.0;
}
// Draw price channel boards + calculation : Channel middle, half channel width,
ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame);
ArrayCopySeries(LowArray,MODE_LOW,Symbol(),TimeFrame);
ArrayCopySeries(HighArray,MODE_HIGH,Symbol(),TimeFrame);
for(i=0,y=0;i<BarsNumber;i++)
{
if (Time[i]<TimeArray[y]) y++;
smin[i]=LowArray[Lowest(NULL,TimeFrame,MODE_LOW,Length,y)];
smax[i]=HighArray[Highest(NULL,TimeFrame,MODE_HIGH,Length,y)];
}
//
for (shift=BarsNumber-Length-1;shift>=0;shift--)
{
// Calculation channel stop values
bsmax[shift]=smax[shift]-(smax[shift]-smin[shift])*(33.0-Risk)/100.0;
bsmin[shift]=smin[shift]+(smax[shift]-smin[shift])*(33.0-Risk)/100.0;
// Signal area : any conditions to trend determination:
// 1. Price Channel breakout
if(Close[shift]>bsmax[shift]) trend=1;
if(Close[shift]<bsmin[shift]) trend=-1;
// Correction boards values with existing trend
// Drawing area
UpBar=bsmax[shift];
DnBar=bsmin[shift];
if (trend>0)
{
if (Signal==1 && UpTrendBuffer[shift+1]==-1.0)
{
UpTrendSignal[shift]=Low[shift]-0.5*iATR(NULL,TimeFrame,10,shift);
}
else
{
UpTrendBuffer[shift]=bsmin[shift];
UpTrendSignal[shift]=-1;
}
if(ColorBar>0)
{
if(Close[shift]>UpBar)
{
UpTrendBar[shift]=High[shift];
DownTrendBar[shift]=Low[shift];
}
else
{
UpTrendBar[shift]=EMPTY_VALUE;
DownTrendBar[shift]=EMPTY_VALUE;
}
}
DownTrendBuffer[shift]=-1.0;
}
if (trend<0)
{
if (Signal==1 && DownTrendBuffer[shift+1]==-1.0)
{
DownTrendSignal[shift]=High[shift]+0.5*iATR(NULL,TimeFrame,10,shift);
}
else
{
DownTrendBuffer[shift]=bsmax[shift];
DownTrendSignal[shift]=-1;
}
if(ColorBar>0)
{
if(Close[shift]<DnBar)
{
UpTrendBar[shift]=Low[shift];
DownTrendBar[shift]=High[shift];
}
else
{
UpTrendBar[shift]=EMPTY_VALUE;
DownTrendBar[shift]=EMPTY_VALUE;
}
}
UpTrendBuffer[shift]=-1.0;
}
}
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Series array that contains close prices for each bar
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Indicator of the average true range
Custom Indicators Used:
Order Management characteristics:
Other Features: