//+------------------------------------------------------------------+
//| |
//| Copyright © 1999-2008, MetaQuotes Software Corp. |
//| http://www.metaquotes.ru |
//+------------------------------------------------------------------+
#property copyright "© 2007 Takbir"
#property link "www.stigal.com"
//----
#define major 1
#define minor 1
//----
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 DodgerBlue
#property indicator_color2 OrangeRed
#property indicator_width1 0
#property indicator_width2 0
//----
double UpperFr[];
double LowerFr[];
//----
extern int Bars.left =2;
extern int Bars.right =2;
extern double signalGap =1.1;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
void init()
{
SetIndexBuffer(0, UpperFr);
SetIndexBuffer(1, LowerFr);
//
SetIndexEmptyValue(0, 0);
SetIndexEmptyValue(1, 0);
//
SetIndexStyle(0, DRAW_ARROW);
SetIndexArrow(0, 158);
//
SetIndexStyle(1, DRAW_ARROW);
SetIndexArrow(1, 158);
SetIndexLabel(0,"UpFr("+Bars.left+","+Bars.right+")");
SetIndexLabel(1,"DnFr("+Bars.left+","+Bars.right+")");
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
void start()
{
int counted=IndicatorCounted();
if (counted < 0) return(-1);
if (counted > 0) counted--;
int limit=Bars-counted;
//-----
double dy=0;
for(int i=1; i<=20; i++)
{
dy+=0.3*(High[i]-Low[i])/20;
}
for(i=1+Bars.right; i<=limit+Bars.left; i++)
{
UpperFr[i]=0;
LowerFr[i]=0;
//----
if (IsUpperFr(i)) UpperFr[i]=High[i] + dy*signalGap;
if (IsLowerFr(i)) LowerFr[i]=Low[i] - dy*signalGap;
}
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
bool IsUpperFr(int bar)
{
for(int i=1; i<=Bars.left; i++)
{
if (bar+i>=Bars) return(false);
if (High[bar] < High[bar+i]) return(false);
}
for(i=1; i<=Bars.right; i++)
{
if (bar-i < 0) return(false);
if (High[bar] < High[bar-i]) return(false);
}
//----
return(true);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
bool IsLowerFr(int bar)
{
for(int i=1; i<=Bars.left; i++)
{
if (bar+i>=Bars) return(false);
if (Low[bar] > Low[bar+i]) return(false);
}
for(i=1; i<=Bars.right; i++)
{
if (bar-i < 0) return(false);
if (Low[bar] > Low[bar-i]) return(false);
}
//----
return(true);
}
//+------------------------------------------------------------------+
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_ARROW
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: