//+------------------------------------------------------------------+
//| ZigZag_NK.mq4 |
//| Copyright © 2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
//---- îòðèñîâêà èíäèêàòîðà â îñíîâíîì îêíå
#property indicator_chart_window
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôôåðîâ
#property indicator_buffers 2
//---- öâåò èíäèêàòîðà
#property indicator_color1 Aqua
#property indicator_color2 Aqua
//---- òîëùèíà èíäèêàòîðíîé ëèíèè
#property indicator_width1 0
#property indicator_width2 0
//---- ñòèëü èíäèêàòîðíîé ëèíèè
#property indicator_style1 1
#property indicator_style2 1
//---- ÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ ÈÍÄÈÊÀÒÎÐÀ
extern int ExtDepth=12;
extern int ExtDeviation=5;
extern int ExtBackstep=3;
//----
//---- èíäèêàòîðíûå áóôôåðû
double LowestBuffer[],HighestBuffer[];
//----+ Ââåäåíèå öåëûõ ïåðåìåííûõ ïàìÿòè äëÿ ïåðåñ÷¸òà èíäèêàòîðà òîëüêî
// íà íåïîäñ÷èòàííûõ áàðàõ
int MaxBar,time2,LASTLOWPOS,LASTHIGHPOS,LHTIME,LLTIME,size;
//----+ Ââåäåíèå ïåðåìåííûõ ïàìÿòè ñ ïëàâàþùåé òî÷êîé äëÿ ïåðåñ÷¸òà
// èíäèêàòîðà òîëüêî íà íåïîäñ÷èòàííûõ áàðàõ
double LowestMEMORY[1],HighestMEMORY[1],LASTLOW0,LASTLOW1,LASTHIGH0,
LASTHIGH1,LASTHIGHEST,LASTLOWEST;
static datetime PrevTimeCalc=0;
//+------------------------------------------------------------------+
//| ZigZag initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- äâà èíäèêàòîðíûõ áóôôåðà èñïîëüçîâàí äëÿ ñ÷¸òà
SetIndexBuffer(0,LowestBuffer);
SetIndexBuffer(1,HighestBuffer);
//---- Ñòèëü èñïîëíåíèÿ ãðàôèêà âèäå ëîìàííîé ZigZag
SetIndexStyle(0,DRAW_ZIGZAG);
SetIndexStyle(1,DRAW_ZIGZAG);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
SetIndexEmptyValue(0,0.0);
SetIndexEmptyValue(1,0.0);
//---- èìåíà äëÿ îêîí äàííûõ è ëýéáû äëÿ ñóáúîêîí
SetIndexLabel(0,"Low" );
SetIndexLabel(1,"High");
IndicatorShortName("ZigZag (ExtDepth="+ExtDepth+", ExtDeviation="+
ExtDeviation+", ExtBackstep="+ExtBackstep+" )");
//---- îïðåäåëåíèå ðàçìåðîâ âðåìåííûõ áóôôåðîâ
size=ExtBackstep+1;
//---- èçìåíåíèå ðàçìåðîâ âðåìåííûõ áóôôåðîâ
if(ArrayResize(LowestMEMORY,size)!=size)return(-1);
if(ArrayResize(HighestMEMORY,size)!=size)return(-1);
//---- çàâåðøåíèå èíèöèàëèçàöèè
return(0);
}
//+------------------------------------------------------------------+
//| ZigZag iteration function |
//+------------------------------------------------------------------+
int start()
{
if (PrevTimeCalc==Time[0]) return;
PrevTimeCalc=Time[0];
//----+ ïðîâåðêà êîëè÷åñòâà áàðîâ íà äîñòàòî÷íîñòü äëÿ êîððåêòíîãî
// ðàñ÷¸òà èíäèêàòîðà
if (Bars-1<ExtDepth)return(0);
//----+ Ââåäåíèå öåëûõ ïåðåìåííûõ è ïîëó÷åíèå óæå ïîäñ÷èòàííûõ áàðîâ
int limit,iii,counted_bars=IndicatorCounted();
//---- ïðîâåðêà íà âîçìîæíûå îøèáêè
if (counted_bars<0)return(-1);
//---- ïîñëåäíèé ïîäñ÷èòàííûé áàð äîëæåí áûòü ïåðåñ÷èòàí
if (counted_bars>0) counted_bars--;
//----+ Ââåäåíèå ïåðåìåííûõ
int bar,back,lasthighpos,lastlowpos;
double curlow,curhigh,lasthigh0,lastlow0,lasthigh1,lastlow1,val,res;
//---- îïðåäåëåíèå íîìåðà ñàìîãî ñòàðîãî áàðà, íà÷èíàÿ ñ êîòîðîãî
// áóäåò ïðîèçåä¸í ïîëûé ïåðåñ÷¸ò âñåõ áàðîâ
MaxBar=Bars-ExtDepth;
//---- îïðåäåëåíèå íîìåðà ñòàðòîâîãî áàðà â öèêëå, íà÷èíàÿ ñ êîòîðîãî
// áóäåò ïðîèçîäèòüñÿ ïåðåñ÷¸ò íîâûõ áàðîâ
limit=Bars-counted_bars-1;
//+--- âîññòàíîâëåíèå çíà÷åíèé ïåðåìåííûõ +======+
int Tnew=Time[limit+1];
if (limit<MaxBar)
{
if (Tnew==time2)
{
lastlow0=LASTLOW0;
lasthigh0=LASTHIGH0;
//+---
lastlow1=LASTLOW1;
lasthigh1=LASTHIGH1;
//+---
lastlowpos=iBarShift(NULL,0,LLTIME,true);
lasthighpos=iBarShift(NULL,0,LHTIME,true);
//+--- ïðîâåðêà ïåðåìåííûõ lasthighpos è lastlowpos íà
// êîððåêòíîñòü äëÿ äàëüíåéøåãî ðàñ÷¸òà
if ((lasthighpos<0)||(lastlowpos<0))
{
Print("Îøèáêà âîññòàíîâëåíèÿ ïåðåìåííûõ!!!" +
" Ïîòåðÿíû çíà÷åíèÿ ïåðåìåííûõ lasthighpos è lastlowpos");
Print("Áóäåò ïðîèçâåä¸í ïåðåñ÷¸ò èíäèêàòîðà íà âñåõ áàðàõ!");
return(-1);
}
//+---
LowestBuffer[lastlowpos]=LASTLOWEST;
HighestBuffer[lasthighpos]=LASTHIGHEST;
//+---
for(iii=size-1; iii>=0; iii--)
{
LowestBuffer[iii+limit+1]=LowestMEMORY[iii];
HighestBuffer[iii+limit+1]=HighestMEMORY[iii];
}
//+---
}
else
{
if (Tnew>time2)
Print("Îøèáêà âîññòàíîâëåíèÿ ïåðåìåííûõ!!! Tnew>time2");
else Print("Îøèáêà âîññòàíîâëåíèÿ ïåðåìåííûõ!!! Tnew<time2");
Print("Áóäåò ïðîèçâåä¸í ïåðåñ÷¸ò èíäèêàòîðà íà âñåõ áàðàõ!");
return(-1);
}
}
//+--- +==========================================+
//---- èíèöèàëèçàöèÿ íóëÿ
if (limit>=MaxBar)
{
for (bar=Bars-1; bar>=MaxBar;bar--)
{
LowestBuffer [bar]=0.0;
HighestBuffer[bar]=0.0;
}
lastlow1=-1;
lasthigh1=-1;
lastlowpos=-1;
lasthighpos=-1;
limit=MaxBar;
}
//----+ <<< íà÷àëî ïåðâîãî áîëüøîãî öèêëà >>> -----------+
for(bar=limit; bar>=0; bar--)
{
//+--- Ñîõðàíåíèå çíà÷åíèé ïåðåìåííûõ +=========+
if (bar==1)
{
if(((limit==1)&&(time2==Time[2]))||(limit>1))
{
LASTLOW0=lastlow0;
LASTHIGH0=lasthigh0;
//+---
for(iii=size-1; iii>=0; iii--)
{
LowestMEMORY[iii]=LowestBuffer[iii+2];
HighestMEMORY[iii]=HighestBuffer[iii+2];
}
}
}
//+---+=========================================+
//--- low
val=Low[Lowest(NULL,0,MODE_LOW,ExtDepth,bar)];
if(val==lastlow0) val=0.0;
else
{
lastlow0=val;
if((Low[bar]-val)>(ExtDeviation*Point))val=0.0;
else
{
for(back=1; back<=ExtBackstep; back++)
{
res=LowestBuffer[bar+back];
if((res!=0)&&(res>val))LowestBuffer[bar+back]=0.0;
}
}
}
LowestBuffer[bar]=val;
//--- high
val=High[Highest(NULL,0,MODE_HIGH,ExtDepth,bar)];
if(val==lasthigh0) val=0.0;
else
{
lasthigh0=val;
if((val-High[bar])>(ExtDeviation*Point))val=0.0;
else
{
for(back=1; back<=ExtBackstep; back++)
{
res=HighestBuffer[bar+back];
if((res!=0)&&(res<val))HighestBuffer[bar+back]=0.0;
}
}
}
HighestBuffer[bar]=val;
}
//----+ êîíåö ïåðâîãî áîëüøîãî öèêëà
//----+ <<< íà÷àëî âòîðîãî áîëüøîãî öèêëà >>> -----------+
for(bar=limit; bar>=0; bar--)
{
//+--- Ñîõðàíåíèå çíà÷åíèé ïåðåìåííûõ +====+
if (bar==1)
{
if(((limit==1)&&(time2==Time[2]))||(limit>1))
{
time2=Time [2];
LASTLOW1=lastlow1;
LASTHIGH1=lasthigh1;
//+---
LLTIME=Time[lastlowpos];
LHTIME=Time[lasthighpos];
//+---
LASTLOWEST=LowestBuffer[lastlowpos];
LASTHIGHEST=HighestBuffer[lasthighpos];
}
}
//+---+====================================+
curlow=LowestBuffer[bar];
curhigh=HighestBuffer[bar];
//---
if((curlow==0)&&(curhigh==0))continue;
//---
if(curhigh!=0)
{
if(lasthigh1>0)
{
if(lasthigh1<curhigh)HighestBuffer[lasthighpos]=0;
else HighestBuffer[bar]=0;
}
//---
if(lasthigh1<curhigh || lasthigh1<0)
{
lasthigh1=curhigh;
lasthighpos=bar;
}
lastlow1=-1;
}
//----
if(curlow!=0)
{
if(lastlow1>0)
{
if(lastlow1>curlow) LowestBuffer[lastlowpos]=0;
else LowestBuffer[bar]=0;
}
//---
if((curlow<lastlow1)||(lastlow1<0))
{
lastlow1=curlow;
lastlowpos=bar;
}
lasthigh1=-1;
}
}
//----+ êîíåö âòîðîãî áîëüøîãî öèêëà
//+--------------------------------------------------------+
//---- çàâåðøåíèå âû÷èñëåíèé çíà÷åíèé èíäèêàòîðà
return(0);
}
//+-----------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
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_ZIGZAG
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: