//+------------------------------------------------------------------+
//| DECEMA.mq4 |
//| Developed by Coders Guru |
//| http://www.xpworx.com |
//|
//| Revised by IgorAD,igorad2003@yahoo.co.uk |
//| http://www.forex-tsd.com/ |
//+------------------------------------------------------------------+
#property link "http://www.xpworx.com"
//----
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Red
//----
extern int MA_Period =15;
extern int MA_Price =PRICE_CLOSE;
//----
double DrawEMA[];
double EMA1, EMA2, EMA3, EMA4, EMA5, EMA6, EMA7, EMA8, EMA9, EMA10;
int time2;
double bEMA1, bEMA2, bEMA3, bEMA4, bEMA5, bEMA6, bEMA7, bEMA8, bEMA9, bEMA10;
double alfa;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle(0,DRAW_LINE, STYLE_SOLID,2);
SetIndexBuffer(0,DrawEMA);
string short_name="DECEMA("+MA_Period+")";
IndicatorShortName(short_name);
SetIndexDrawBegin(0,10*MA_Period);
alfa=2.0/(1.0+MA_Period);
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
void start()
{
int limit,MaxBar;
int counted_bars=IndicatorCounted();
if(Bars-1 < MA_Period)return(0);
if (counted_bars<0) return(-1);
if (counted_bars>0) counted_bars--;
//----
MaxBar=Bars-1-MA_Period;
limit =Bars-counted_bars-1;
//----
if (limit>MaxBar)
{
for(int shift=limit;shift>=MaxBar;shift--)
DrawEMA[Bars-shift]=0.0;
limit=MaxBar;
}
int Tnew=Time[limit+1];
if (limit<MaxBar)
if (Tnew==time2)
{
EMA1=bEMA1;
EMA2=bEMA2;
EMA3=bEMA3;
EMA4=bEMA4;
EMA5=bEMA5;
EMA6=bEMA6;
EMA7=bEMA7;
EMA8=bEMA8;
EMA9=bEMA9;
EMA10=bEMA10;
}
else
{
if (Tnew>time2)Print("Error1");
else Print("Error2");
return(-1);
}
for(shift=limit; shift>=0; shift--)
{
if(shift==1)
if(((limit==1)&&(time2!=Time[2])) || (limit > 1))
{
time2=Time[2];
bEMA1=EMA1;
bEMA2=EMA2;
bEMA3=EMA3;
bEMA4=EMA4;
bEMA5=EMA5;
bEMA6=EMA6;
bEMA7=EMA7;
bEMA8=EMA8;
bEMA9=EMA9;
bEMA10=EMA10;
}
EMA1=alfa*iMA(NULL,0,1,0,MODE_SMA,MA_Price,shift) + (1-alfa)*EMA1;
EMA2=alfa*EMA1 + (1-alfa)*EMA2;
EMA3=alfa*EMA2 + (1-alfa)*EMA3;
EMA4=alfa*EMA3 + (1-alfa)*EMA4;
EMA5=alfa*EMA4 + (1-alfa)*EMA5;
EMA6=alfa*EMA5 + (1-alfa)*EMA6;
EMA7=alfa*EMA6 + (1-alfa)*EMA7;
EMA8=alfa*EMA7 + (1-alfa)*EMA8;
EMA9=alfa*EMA8 + (1-alfa)*EMA9;
EMA10= alfa*EMA9 + (1-alfa)*EMA10;
DrawEMA[shift]=10*EMA1-45*EMA2+120*EMA3-210*EMA4+252*EMA5-210*EMA6+120*EMA7-45*EMA8+10*EMA9-EMA10;
}
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: