//+------------------------------------------------------------------+
//| MACD HISTO.mq4 |
//| Copyright © 2006, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Green
#property indicator_color2 Red
#property indicator_width1 3
#property indicator_width2 3
//---- indicator parameters
extern int FastEMA=12;
extern int SlowEMA=26;
extern int SignalSMA=9;
extern bool AlertOn = true;
//---- indicator buffers
double ind_Buffer1[];
double ind_Buffer2[];
double ind_buffer3a[];
double ind_buffer3b[];
double ind_buffer4[];
double ind_buffer5[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- 2 additional buffers are used for counting.
IndicatorBuffers(6);
//---- drawing settings
SetIndexStyle(0,DRAW_HISTOGRAM);
SetIndexDrawBegin(0,SignalSMA);
SetIndexStyle(1,DRAW_HISTOGRAM);
SetIndexDrawBegin(1,SignalSMA);
/*SetIndexStyle(4,DRAW_LINE);
SetIndexBuffer(4,ind_Buffer1);
SetIndexStyle(5,DRAW_LINE);
SetIndexBuffer(5,ind_Buffer2);*/
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+2);
//---- 5 indicator buffers mapping
if(!SetIndexBuffer(0,ind_buffer3a) &&
!SetIndexBuffer(1,ind_buffer3b) &&
!SetIndexBuffer(2,ind_buffer4) &&
!SetIndexBuffer(3,ind_buffer5) &&
!SetIndexBuffer(4,ind_Buffer1) &&
!SetIndexBuffer(5,ind_Buffer2))
Print("cannot set indicator buffers!");
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("MACD HISTOGRAM");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Moving Average of Oscillator |
//+------------------------------------------------------------------+
int start()
{
int limit;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
//---- macd counted in the 1-st additional buffer
for(int i=0; i<limit; i++)
ind_buffer4[i]=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i)
-iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
//---- signal line counted in the 2-nd additional buffer
for(i=0; i<limit; i++)
ind_buffer5[i]=iMAOnArray(ind_buffer4,Bars,SignalSMA,0,MODE_EMA,i);
//---- main loop
double value=0;
for(i=0; i<limit; i++)
{
ind_buffer3a[i]=0.0;
ind_buffer3b[i]=0.0;
value=ind_buffer4[i]-ind_buffer5[i];
if (value>0) ind_buffer3a[i]=value;
if (value<0) ind_buffer3b[i]=value;
}
//---- done
return(0);
}
// ======= Alert =========
if(AlertOn)
{
if(prevtime == Time[0])
{
return(0);
}
prevtime = Time[0];
OsMANow = iOsMA(NULL, 0, FastEMA, SlowEMA, SignalSMA, PRICE_CLOSE, 0);
OsMAPrevious = iOsMA(NULL, 0, FastEMA, SlowEMA, SignalSMA, PRICE_CLOSE, 1);
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Moving Average of Oscillator
Custom Indicators Used:
Order Management characteristics:
Other Features: