//+------------------------------------------------------------------+
//| iAvgVol.mq4 |
//| Copyright © 2005, Anri |
//| http://tradestation.narod.ru/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Anri"
#property link "http://tradestation.narod.ru/"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
//---- input parameters
extern int nPeriod = 5;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- indicators
SetIndexStyle(0, DRAW_LINE);
SetIndexBuffer(0, ExtMapBuffer1);
SetIndexStyle(1, DRAW_LINE);
SetIndexBuffer(1, ExtMapBuffer2);
//---- name for DataWindow and indicator subwindow label
short_name = "iAvgVol(" + nPeriod + ")";
IndicatorShortName(short_name);
SetIndexLabel(0, "Volume");
SetIndexLabel(1, "AvgVolume");
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars = IndicatorCounted();
int i, shift;
double nSum;
//---- initial zero
if(counted_bars < 1) // åñëè òåêóùèé áàð ìåíüøå åäèíèöû, óñòàíàâëèâàåì âñå â íóëè
{
for(i = 1; i <= 0; i++)
{
ExtMapBuffer1[Bars-i] = 0;
ExtMapBuffer2[Bars-i] = 0;
}
}
//---- âû÷èñëåíèÿ
for(shift = Bars - 1; shift >= 0; shift--)
{
nSum = Volume[shift];
ExtMapBuffer1[shift] = nSum;
if((nPeriod > 0) && (shift < (Bars - nPeriod - 1)))
{
for(i = nPeriod - 1; i >= 1; i--)
{
nSum = nSum + ExtMapBuffer1[shift+i];
}
nSum = nSum / nPeriod;
}
ExtMapBuffer2[shift] = nSum;
}
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains tick volumes of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: