//+------------------------------------------------------------------+
//| ATR-BB.mq4 |
//| Copyright © 2007, MQL Service |
//| http://www.mqlservice.com/ |
//+------------------------------------------------------------------+
//| $Id: //mqlservice/mt4files/experts/indicators/ATR-MQLS.mq4#1 $
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, MQL Service"
#property link "http://www.metaquotes.net/"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 DodgerBlue
#property indicator_color2 Red
//---- input parameters
extern int AtrPeriod=14;
extern bool ShowBull = true;
extern bool ShowBear = true;
//---- buffers
double AtrBullBuffer[];
double AtrBearBuffer[];
double TempBufferBull[];
double TempBufferBear[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- 1 additional buffer used for counting.
IndicatorBuffers(4);
//---- indicator line
if(ShowBull)
SetIndexStyle(0,DRAW_LINE);
else
SetIndexStyle(0,DRAW_NONE);
if(ShowBear)
SetIndexStyle(1,DRAW_LINE);
else
SetIndexStyle(1,DRAW_NONE);
SetIndexBuffer(0,AtrBullBuffer);
SetIndexBuffer(1,AtrBearBuffer);
SetIndexBuffer(2,TempBufferBull);
SetIndexBuffer(3,TempBufferBear);
//---- name for DataWindow and indicator subwindow label
short_name=WindowExpertName()+"("+AtrPeriod+","+ShowBear+","+ShowBull+")";
IndicatorShortName(short_name);
SetIndexLabel(0,short_name+" Bull");
SetIndexLabel(1,short_name+" Bear");
//----
SetIndexDrawBegin(0,AtrPeriod);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Average True Range |
//+------------------------------------------------------------------+
int start()
{
int i,counted_bars=IndicatorCounted();
//----
if(Bars<=AtrPeriod) return(0);
//---- initial zero
if(counted_bars<1)
{
for(i=1;i<=AtrPeriod;i++) AtrBullBuffer[Bars-i]=0.0;
for(i=1;i<=AtrPeriod;i++) AtrBearBuffer[Bars-i]=0.0;
}
//----
i=Bars-counted_bars-1;
while(i>=0)
{
double high=High[i];
double low =Low[i];
double open=Open[i];
if(i==Bars-1)
{
TempBufferBull[i]=high-open;
TempBufferBear[i]=open-low;
}
else
{
double prevclose=Close[i+1];
TempBufferBull[i]=MathMax(high,prevclose)-MathMin(open,prevclose);
TempBufferBear[i]=MathMax(open,prevclose)-MathMin(low,prevclose);
}
i--;
}
//----
if(counted_bars>0) counted_bars--;
int limit=Bars-counted_bars;
for(i=0; i<limit; i++)
{
AtrBullBuffer[i]=iMAOnArray(TempBufferBull,Bars,AtrPeriod,0,MODE_SMA,i);
AtrBearBuffer[i]=iMAOnArray(TempBufferBear,Bars,AtrPeriod,0,MODE_SMA,i);
}
//----
return(0);
}
//+--------- Coded by Michal Rutka @ MQL Service.com ----------------+
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 open prices of each bar
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Implements a curve of type DRAW_NONE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: