//+------------------------------------------------------------------+
//| NRTR.mq4 |
//| Copyright © 2005, VG many thanks to Konkop and dupidu |
//| 4vg@mail.ru |
//+------------------------------------------------------------------+
#property copyright "VG many thanks to Konkop and dupidu"
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_color3 Magenta
#property indicator_color4 Yellow
double ind_buffer1[];
double ind_buffer2[];
double ind_buffer3[];
double ind_buffer4[];
extern double AveragePeriod = 40;
extern bool OCnotAverage = true;
extern int MaxBarsToCount = 200;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- drawing settings
SetIndexStyle(0,DRAW_ARROW,STYLE_SOLID,1);
SetIndexDrawBegin(0,AveragePeriod);
SetIndexStyle(1,DRAW_ARROW,STYLE_SOLID,1);
SetIndexDrawBegin(1,AveragePeriod);
SetIndexStyle(2,DRAW_ARROW,STYLE_SOLID,3);
SetIndexDrawBegin(2,AveragePeriod);
SetIndexStyle(3,DRAW_ARROW,STYLE_SOLID,3);
SetIndexDrawBegin(3,AveragePeriod);
//---- indicator buffers mapping
if(!SetIndexBuffer(0,ind_buffer1) && !SetIndexBuffer(1,ind_buffer2)
&& !SetIndexBuffer(2,ind_buffer3)&& !SetIndexBuffer(3,ind_buffer4))
Print("cannot set indicator buffers!");
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("NRTR");
SetIndexLabel(0,"Sell S/L");
SetIndexLabel(1,"Buy S/L");
SetIndexLabel(2,"Sell S/L");
SetIndexLabel(3,"Buy S/L");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//---- TODO: add your code here
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int bar, limit, PrevAlertTime;
double value = 0;
double price = 0;
double trend, dK, AvgRange, HLTrend;
//---- TODO: add your code here
if(Bars<=MaxBarsToCount) return(-1);
for (int shift=MaxBarsToCount; shift>=0; shift--)
{
ind_buffer1[shift]=0;
ind_buffer2[shift]=0;
ind_buffer3[shift]=0;
ind_buffer4[shift]=0;
}
AvgRange=0;
for (int i=1; i<=AveragePeriod; i++) AvgRange+= MathAbs(High[i]-Low[i]);
dK = AvgRange/AveragePeriod/Point/10000;
if (OCnotAverage)
{
if (Close[MaxBarsToCount] > Open[MaxBarsToCount])
{
value = Close[MaxBarsToCount] * (1 - dK);
trend = 1;
ind_buffer2[MaxBarsToCount] = value;
}
if (Close[MaxBarsToCount] < Open[MaxBarsToCount])
{
value = Close[MaxBarsToCount] * (1 + dK);
trend = -1;
ind_buffer1[MaxBarsToCount] = value;
}
for (bar = MaxBarsToCount - 1; bar >= 0; bar--)
{
if (trend >= 0)
{
if (Low[bar] > price) price = Close[bar];
value = price * (1 - dK);
if (Close[bar] < value)
{
price = Close[bar];
value = price * (1 + dK);
trend = -1;
}
}
else
if (trend <= 0)
{
if (High[bar] < price) price = Close[bar];
value = price * (1 + dK);
if (Close[bar] > value)
{
price = Close[bar];
value = price * (1 - dK);
trend = 1;
}
}
if (trend == -1) ind_buffer1[bar] = value;
if (trend == 1) ind_buffer2[bar] = value;
}
if (CurTime() - PrevAlertTime > Period()*60)
{
if ((ind_buffer1[0] != ind_buffer1[1]) || (ind_buffer2[0] != ind_buffer2[1]))
{
Alert("Íîâûé S/L íà ",value);
PrevAlertTime = CurTime();
}
}
}
else
{
if ((High[MaxBarsToCount] + Low[MaxBarsToCount])/2 > (High[MaxBarsToCount-1] + Low[MaxBarsToCount-1])/2)
{
value = (High[MaxBarsToCount] + Low[MaxBarsToCount])/2 * (1 - dK);
HLTrend = 1;
ind_buffer4[MaxBarsToCount] = value;
}
else
{
value = (High[MaxBarsToCount] + Low[MaxBarsToCount])/2 * (1 + dK);
HLTrend = -1;
ind_buffer3[MaxBarsToCount] = value;
}
for (bar = MaxBarsToCount - 1; bar >= 0; bar--)
{
if (HLTrend >= 0)
{
if (Low[bar] > price) price = (High[bar] + Low[bar])/2;
value = price * (1 - dK);
if ((High[bar] + Low[bar])/2 < value)
{
price = (High[bar] + Low[bar])/2;
value = price * (1 + dK);
HLTrend = -1;
}
}
else
if (HLTrend <= 0)
{
if (High[bar] < price) price = (High[bar] + Low[bar])/2;
value = price * (1 + dK);
if ((High[bar] + Low[bar])/2 > value)
{
price = (High[bar] + Low[bar])/2;
value = price * (1 - dK);
HLTrend = 1;
}
}
if (HLTrend == -1) ind_buffer3[bar] = value;
if (HLTrend == 1) ind_buffer4[bar] = value;
}
if (CurTime() - PrevAlertTime > Period()*60)
{
if ((ind_buffer3[0] != ind_buffer3[1]) || (ind_buffer4[0] != ind_buffer4[1]))
{
Alert("Íîâûé S/L íà ",value);
PrevAlertTime = CurTime();
}
}
}
//----
return(0);
}
//+------------------------------------------------------------------+
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
Series array that contains close prices for each bar
Series array that contains open prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen