//+------------------------------------------------------------------+
//| MultipleMA.mq4 |
//| Copyright © 2006, Robert Hill aka MrPip |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Robert Hill aka MrPip"
//---- indicator settings
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Red
#property indicator_color2 Yellow
#property indicator_color3 Green
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2
//---- indicator parameters
extern int FirstMA_Period=5;
extern int FirstMA_Mode=1; //0=sma, 1=ema, 2=smma, 3=lwma , 4=LSMA
extern int FirstMA_AppliedPrice=0; // 0=close, 1=open, 2=high, 3=low, 4=median((h+l/2)), 5=typical((h+l+c)/3), 6=weighted((h+l+c+c)/4)
extern int SecondMA_Period=13;
extern int SecondMA_Mode=1; //0=sma, 1=ema, 2=smma, 3=lwma
extern int ThirdMA_Period=62;
extern int ThirdMA_Mode=1; //0=sma, 1=ema, 2=smma, 3=lwma
//---- indicator buffers
double MA1[];
double MA2[];
double MA3[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- drawing settings
SetIndexStyle(0,DRAW_LINE);
SetIndexStyle(1,DRAW_LINE);
SetIndexStyle(2,DRAW_LINE);
SetIndexDrawBegin(0,ThirdMA_Period);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+2);
//---- 3 indicator buffers mapping
if(!SetIndexBuffer(0,MA1) &&
!SetIndexBuffer(1,MA2) &&
!SetIndexBuffer(2,MA3))
Print("cannot set indicator buffers!");
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("MultipleMA("+FirstMA_Period+","+SecondMA_Period+","+ThirdMA_Period+")");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------------+
//| LSMA - Least Squares Moving Average function calculation |
//| LSMA_In_Color Indicator plots the end of the linear regression line |
//| Modified to use any timeframe |
//+------------------------------------------------------------------------+
double LSMA(int Rperiod,int prMode, int TimeFrame, int mshift)
{
int i;
double sum, price;
int length;
double lengthvar;
double tmp;
double wt;
//
length=Rperiod;
//
sum=0;
for(i=length; i>=1 ;i--)
{
lengthvar=length + 1;
lengthvar/=3;
tmp=0;
switch(prMode)
{
case 0: price=iClose(NULL,TimeFrame,length-i+mshift);break;
case 1: price=iOpen(NULL,TimeFrame,length-i+mshift);break;
case 2: price=iHigh(NULL,TimeFrame,length-i+mshift);break;
case 3: price=iLow(NULL,TimeFrame,length-i+mshift);break;
case 4: price=(iHigh(NULL,TimeFrame,length-i+mshift) + iLow(NULL,TimeFrame,length-i+mshift))/2;break;
case 5: price=(iHigh(NULL,TimeFrame,length-i+mshift) + iLow(NULL,TimeFrame,length-i+mshift) + iClose(NULL,TimeFrame,length-i+mshift))/3;break;
case 6: price=(iHigh(NULL,TimeFrame,length-i+mshift) + iLow(NULL,TimeFrame,length-i+mshift) + iClose(NULL,TimeFrame,length-i+mshift) + iClose(NULL,TimeFrame,length-i+mshift))/4;break;
}
tmp =(i - lengthvar)*price;
sum+=tmp;
}
wt=sum*6/(length*(length+1));
//----
return(wt);
}
//+------------------------------------------------------------------+
//| CheckValidUserInputs |
//| Check if User Inputs are valid for ranges allowed |
//| return true if invalid input, false otherwise |
//| Also display an alert for invalid input |
//+------------------------------------------------------------------+
bool CheckValidUserInputs()
{
if (CheckMAMethod(FirstMA_Mode, 0, 4))
{
Alert("FirstMA_Mode requires a value from 0 to 4."," You entered ",FirstMA_Mode);
return(true);
}
if (CheckMAMethod(SecondMA_Mode, 0, 3))
{
Alert("SecondMA_Mode requires a value from 0 to 3."," You entered ",SecondMA_Mode);
return(true);
}
if (CheckMAMethod(ThirdMA_Mode, 0, 3))
{
Alert("ThirdMA_Mode requires a value from 0 to 3."," You entered ",ThirdMA_Mode);
return(true);
}
}
//+------------------------------------------------+
//| Check for valid Moving Average methods |
//| 0=sma, 1=ema, 2=smma, 3=lwma , 4=lsma |
//| return true if invalid, false if OK |
//+------------------------------------------------+
bool CheckMAMethod(int method, int low_val, int high_val)
{
if (method < low_val) return(true);
if (method > high_val) return(true);
return(false);
}
//+------------------------------------------------------------------+
//| Multiple Moving Averages |
//+------------------------------------------------------------------+
int start()
{
int i,limit;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
if (CheckValidUserInputs()) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
//----
for(i=limit; i>=0; i--)
if (FirstMA_Mode==4)
{
MA1[i]=LSMA(FirstMA_Period,FirstMA_AppliedPrice,0,i);
}
else
{
MA1[i]=iMA(NULL,0,FirstMA_Period,0,FirstMA_Mode,FirstMA_AppliedPrice,i);
}
for(i=limit; i>=0; i--)
MA2[i]=iMAOnArray(MA1,Bars,SecondMA_Period,0,SecondMA_Mode,i);
for(i=limit; i>=0; i--)
MA3[i]=iMAOnArray(MA2,Bars,ThirdMA_Period,0,ThirdMA_Mode,i);
//---- done
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains open prices of each bar
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_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen