//+------------------------------------------------------------------+
//| Custom Moving Average.mq4 |
//| Copyright © 2004, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Red
//---- indicator parameters
extern int Price_Mode=0;
extern int MA_Period=13;
extern int CountTick=100;
extern bool DrawAll=false;
//---- indicator buffers
double ExtMapBuffer[];
int ExtCountedBars=0;
double Price[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init() {
string short_name;
SetIndexStyle(0,DRAW_SECTION);
short_name="SMA(";
IndicatorShortName(short_name+MA_Period+")");
SetIndexBuffer(0,ExtMapBuffer);
ArrayResize(Price,MA_Period);
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start() {
int limit;
int counted_bars=IndicatorCounted();
int i, pos;
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
for (i = limit;i>=0;i--){
PriceArray(Price,i);
sma(i);
}
return(0);
}
bool PriceArray(double &Price[], int pos){
int i,shift;
shift=0;
for (i=0;i<MA_Period;i++){
Price[i]=iCustom(NULL,0,"VininI ConstTickPrice",Price_Mode,CountTick,DrawAll,0,pos+shift);
shift+=(iCustom(NULL,0,"VininI ConstTickPrice",Price_Mode,CountTick,DrawAll,1,pos+shift)+1);
}
}
//+------------------------------------------------------------------+
//| Simple Moving Average |
//+------------------------------------------------------------------+
void sma(int pos) {
int i,shift;
double sum=0;
if (!DrawAll) {
shift=iCustom(NULL,0,"VininI ConstTickPrice",Price_Mode,CountTick,DrawAll,1,pos);
for (i=1;i<=shift;i++) ExtMapBuffer[pos+i]=EMPTY_VALUE;
}
for(i=0;i<MA_Period;i++) sum+=Price[i];
ExtMapBuffer[pos]=sum/MA_Period;
}
/*
//+------------------------------------------------------------------+
//| Exponential Moving Average |
//+------------------------------------------------------------------+
void ema(int pos) {
int i,shift;
double pr=2.0/(MA_Period+1);
if (!DrawAll) {
shift=iCustom(NULL,0,"VininI ConstTickPrice",Price_Mode,CountTick,DrawAll,1,pos);
for (i=1;i<=shift;i++) ExtMapBuffer[pos+i]=EMPTY_VALUE;
}
if(pos==Bars-2) ExtMapBuffer[pos+1]=Close[pos+1];
ExtMapBuffer[pos]=Close[pos]*pr+ExtMapBuffer[pos+1]*(1-pr);
pos--;
}
}
//+------------------------------------------------------------------+
//| Smoothed Moving Average |
//+------------------------------------------------------------------+
void smma()
{
double sum=0;
int i,k,pos=Bars-ExtCountedBars+1;
//---- main calculation loop
pos=Bars-MA_Period;
if(pos>Bars-ExtCountedBars) pos=Bars-ExtCountedBars;
while(pos>=0)
{
if(pos==Bars-MA_Period)
{
//---- initial accumulation
for(i=0,k=pos;i<MA_Period;i++,k++)
{
sum+=Close[k];
//---- zero initial bars
ExtMapBuffer[k]=0;
}
}
else sum=ExtMapBuffer[pos+1]*(MA_Period-1)+Close[pos];
ExtMapBuffer[pos]=sum/MA_Period;
pos--;
}
}
//+------------------------------------------------------------------+
//| Linear Weighted Moving Average |
//+------------------------------------------------------------------+
void lwma()
{
double sum=0.0,lsum=0.0;
double price;
int i,weight=0,pos=Bars-ExtCountedBars-1;
//---- initial accumulation
if(pos<MA_Period) pos=MA_Period;
for(i=1;i<=MA_Period;i++,pos--)
{
price=Close[pos];
sum+=price*i;
lsum+=price;
weight+=i;
}
//---- main calculation loop
pos++;
i=pos+MA_Period;
while(pos>=0)
{
ExtMapBuffer[pos]=sum/weight;
if(pos==0) break;
pos--;
i--;
price=Close[pos];
sum=sum-lsum+price*MA_Period;
lsum-=Close[i];
lsum+=price;
}
//---- zero initial bars
if(ExtCountedBars<1)
for(i=1;i<MA_Period;i++) ExtMapBuffer[Bars-i]=0;
}
//+------------------------------------------------------------------+
*/
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_SECTION
Indicators Used:
Custom Indicators Used:
VininI ConstTickPrice
Order Management characteristics:
Other Features: