//+------------------------------------------------------------------+
//| Custom Moving Average.mq4 |
//| Copyright © 2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_color3 Gray
//---- indicator parameters
extern int ExtDepth=12;
extern int ExtDeviation=5;
extern int ExtBackstep=3;
extern bool ShowZigZag=False;
//---- indicator buffers
double ExtMapBuffer[];
double ExtMapBuffer2[];
double ExtMapBufferU[];
double ExtMapBufferD[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
IndicatorBuffers(4);
SetIndexBuffer(0,ExtMapBufferU); SetIndexStyle(0,DRAW_ARROW); SetIndexArrow(0,159);
SetIndexBuffer(1,ExtMapBufferD); SetIndexStyle(1,DRAW_ARROW); SetIndexArrow(1,159);
SetIndexBuffer(2,ExtMapBuffer);
if(ShowZigZag)
SetIndexStyle(2,DRAW_SECTION);
else SetIndexStyle(2,DRAW_NONE);
SetIndexBuffer(3,ExtMapBuffer2);
SetIndexEmptyValue(0,0.0);
SetIndexEmptyValue(1,0.0);
SetIndexEmptyValue(2,0.0);
IndicatorShortName("ZigZag("+ExtDepth+","+ExtDeviation+","+ExtBackstep+")");
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start()
{
int shift, back,lasthighpos,lastlowpos;
double val,res;
double curlow,curhigh,lasthigh,lastlow;
for(shift=Bars-ExtDepth; shift>=0; shift--)
{
ExtMapBufferU[shift]=0;
ExtMapBufferD[shift]=0;
val=Low[Lowest(NULL,0,MODE_LOW,ExtDepth,shift)];
if(val==lastlow) val=0.0;
else
{
lastlow=val;
if((Low[shift]-val)>(ExtDeviation*Point)) val=0.0;
else
{
for(back=1; back<=ExtBackstep; back++)
{
res=ExtMapBuffer[shift+back];
if((res!=0)&&(res>val)) ExtMapBuffer[shift+back]=0.0;
}
}
}
ExtMapBuffer[shift]=val;
//--- high
val=High[Highest(NULL,0,MODE_HIGH,ExtDepth,shift)];
if(val==lasthigh) val=0.0;
else
{
lasthigh=val;
if((val-High[shift])>(ExtDeviation*Point)) val=0.0;
else
{
for(back=1; back<=ExtBackstep; back++)
{
res=ExtMapBuffer2[shift+back];
if((res!=0)&&(res<val)) ExtMapBuffer2[shift+back]=0.0;
}
}
}
ExtMapBuffer2[shift]=val;
}
// final cutting
lasthigh=-1; lasthighpos=-1;
lastlow=-1; lastlowpos=-1;
for(shift=Bars-ExtDepth; shift>=0; shift--)
{
curlow=ExtMapBuffer[shift];
curhigh=ExtMapBuffer2[shift];
if((curlow==0)&&(curhigh==0)) continue;
//---
if(curhigh!=0)
{
if(lasthigh>0)
{
if(lasthigh<curhigh) ExtMapBuffer2[lasthighpos]=0;
else ExtMapBuffer2[shift]=0;
}
//---
if(lasthigh<curhigh || lasthigh<0)
{
lasthigh=curhigh;
lasthighpos=shift;
}
lastlow=-1;
}
//----
if(curlow!=0)
{
if(lastlow>0)
{
if(lastlow>curlow) ExtMapBuffer[lastlowpos]=0;
else ExtMapBuffer[shift]=0;
}
//---
if((curlow<lastlow)||(lastlow<0))
{
lastlow=curlow;
lastlowpos=shift;
}
lasthigh=-1;
}
}
double prevPeak=0;
for(shift=Bars-1; shift>=0; shift--)
{
if(shift>=Bars-ExtDepth)
{
ExtMapBuffer[shift] =0.0;
ExtMapBufferU[shift]=0.0;
ExtMapBufferD[shift]=0.0;
}
else
{
res=ExtMapBuffer2[shift];
if(res!=0.0) ExtMapBuffer[shift] =res;
}
res=ExtMapBuffer[shift];
ExtMapBufferU[shift]=ExtMapBufferU[shift+1];
ExtMapBufferD[shift]=ExtMapBufferD[shift+1];
if(res!=0.0)
{
if(res>prevPeak && prevPeak!=0) ExtMapBufferU[shift]=res;
if(res<prevPeak && prevPeak!=0) ExtMapBufferD[shift]=res;
prevPeak = res;
}
}
}
Sample
Analysis
Market Information Used:
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Implements a curve of type DRAW_SECTION
Implements a curve of type DRAW_NONE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: