/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| FractalChannel_v4.mq4 |
//| Copyright © 2006, TrendLaboratory |
//| http://finance.groups.yahoo.com/group/TrendLaboratory |
//| E-mail: igorad2003@yahoo.co.uk |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, TrendLaboratory"
#property link "http://finance.groups.yahoo.com/group/TrendLaboratory"
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 LightBlue
#property indicator_color2 Tomato
#property indicator_color3 Yellow
#property indicator_width1 2
#property indicator_width2 2
//---- input parameters
extern int ChannelType = 1;
extern double Margins = 0;
extern int Shift = 0;
extern int Mode = 0;
//---- buffers
double UpBuffer[];
double DnBuffer[];
double MdBuffer[];
double smin[];
double smax[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- indicator line
IndicatorBuffers(5);
SetIndexStyle(0,DRAW_LINE);
SetIndexStyle(1,DRAW_LINE);
SetIndexStyle(2,DRAW_LINE,2);
SetIndexBuffer(0,UpBuffer);
SetIndexBuffer(1,DnBuffer);
SetIndexBuffer(2,MdBuffer);
SetIndexBuffer(3,smin);
SetIndexBuffer(4,smax);
//---- name for DataWindow and indicator subwindow label
short_name="Fractal Channel("+ChannelType+")";
IndicatorShortName(short_name);
SetIndexLabel(0,"Up Channel");
SetIndexLabel(1,"Down Channel");
SetIndexLabel(2,"Middle Channel");
SetIndexShift(0,Shift);
SetIndexShift(1,Shift);
SetIndexShift(2,Shift);
//----
SetIndexDrawBegin(0,2*ChannelType);
SetIndexDrawBegin(1,2*ChannelType);
SetIndexDrawBegin(2,2*ChannelType);
//----
return(0);
}
//+------------------------------------------------------------------+
//| FractalChannel_v3.1 |
//+------------------------------------------------------------------+
int start()
{
int shift,k,counted_bars=IndicatorCounted();
double v1,v2,cond[100];
if ( counted_bars > 0 ) int limit=Bars-counted_bars-1;
if ( counted_bars < 0 ) return(0);
if ( counted_bars ==0 ) limit=Bars-2*ChannelType-1;
for(shift=limit;shift>=0;shift--)
{
v1 = Fractals(0,ChannelType,shift);
v2 = Fractals(1,ChannelType,shift);
smax[shift]=smax[shift+1];
if ( v1>0 ) smax[shift]=v1;
if (Mode == 0)
if (High[shift]>smax[shift]) smax[shift]=High[shift];
smin[shift]=smin[shift+1];
if ( v2>0 ) smin[shift]=v2;
if (Mode == 0)
if (Low[shift]<smin[shift]) smin[shift]=Low[shift];
if (shift==Bars-1-2*ChannelType) {smin[shift]=Low[shift];smax[shift]=High[shift];}
UpBuffer[shift]=smax[shift]-(smax[shift]-smin[shift])*Margins;
DnBuffer[shift]=smin[shift]+(smax[shift]-smin[shift])*Margins;
MdBuffer[shift]=(UpBuffer[shift]+DnBuffer[shift])/2;
}
return(0);
}
double Fractals(int Type, int Size, int i)
{
int k=1;
double v1, cond[100];
while (k<=Size)
{
if (Type==0) bool condition = High[i+Size+k]<=High[i+Size] && High[i+Size-k]<High[i+Size];
else condition = Low[i+Size+k]>=Low[i+Size] && Low[i+Size-k]>Low[i+Size];
if (condition)
{
if (Type==0) cond[k]=High[i+Size]; else cond[k]=Low[i+Size];
if(k==1)
{v1=cond[k];k++;}
else
if(cond[k-1]==cond[k]){v1=cond[k];k++;}else {v1=0; break;}
}
else
{
v1=0;
break;
}
}
return(v1);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: