ZigZag-HH-HL-LH-LL-Indicator

ZigZag-HH-HL-LH-LL-Indicator

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更新日期:2022-10-21 分类标签: 语言:中文 平台:没限制

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ZigZag-HH-HL-LH-LL-Indicator

//+------------------------------------------------------------------+
//| Zigzag.mq4 |
//| Copyright ?2005-2007, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2007, 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 ExtDepth=12;
extern int ExtDeviation=1;
extern int ExtBackstep=1;
extern color LabelColor1 = Green;
extern color LabelColor2 = Red ;
extern int Labeldistance = 2;
//---- indicator buffers
double ZigzagBuffer[];
double HighMapBuffer[];
double LowMapBuffer[];
int level=3; // recounting's depth
bool downloadhistory=false;

int PipFactor = 1;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
// Cater for fractional pips
if (Digits == 3 || Digits == 5)
{
PipFactor = 10;
}
ObjectsDeleteAll(0,OBJ_TEXT);
IndicatorBuffers(3);
//---- drawing settings
SetIndexStyle(0,DRAW_SECTION);
//---- indicator buffers mapping
SetIndexBuffer(0,ZigzagBuffer);
SetIndexBuffer(1,HighMapBuffer);
SetIndexBuffer(2,LowMapBuffer);
SetIndexEmptyValue(0,0.0);

//---- indicator short name
IndicatorShortName("ZigZag("+ExtDepth+","+ExtDeviation+","+ExtBackstep+")");
//---- initialization done
return(0);
}

int deinit()
{
ObjectsDeleteAll(0,OBJ_TEXT);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start()
{
int i, counted_bars = IndicatorCounted();
int limit,counterZ,whatlookfor;
int shift,back,lasthighpos,lastlowpos;
double val,res;
double curlow,curhigh,lasthigh,lastlow;

if (counted_bars==0 && downloadhistory) // history was downloaded
{
ArrayInitialize(ZigzagBuffer,0.0);
ArrayInitialize(HighMapBuffer,0.0);
ArrayInitialize(LowMapBuffer,0.0);
}
if (counted_bars==0)
{
limit=Bars-ExtDepth;
downloadhistory=true;
}
if (counted_bars>0)
{
while (counterZ<level && i<100)
{
res=ZigzagBuffer[i];
if (res!=0) counterZ++;
i++;
}
i--;
limit=i;
if (LowMapBuffer[i]!=0)
{
curlow=LowMapBuffer[i];
whatlookfor=1;
}
else
{
curhigh=HighMapBuffer[i];
whatlookfor=-1;
}
for (i=limit-1;i>=0;i--)
{
ZigzagBuffer[i]=0.0;
LowMapBuffer[i]=0.0;
HighMapBuffer[i]=0.0;
}
}

for(shift=limit; shift>=0; shift--)
{
val=Low[iLowest(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=LowMapBuffer[shift+back];
if((res!=0)&&(res>val)) LowMapBuffer[shift+back]=0.0;
}
}
}
if (Low[shift]==val) LowMapBuffer[shift]=val; else LowMapBuffer[shift]=0.0;
//--- high
val=High[iHighest(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=HighMapBuffer[shift+back];
if((res!=0)&&(res<val)) HighMapBuffer[shift+back]=0.0;
}
}
}
if (High[shift]==val) HighMapBuffer[shift]=val; else HighMapBuffer[shift]=0.0;
}

// final cutting
if (whatlookfor==0)
{
lastlow=0;
lasthigh=0;
}
else
{
lastlow=curlow;
lasthigh=curhigh;
}
for (shift=limit;shift>=0;shift--)
{
res=0.0;
switch(whatlookfor)
{
case 0: // look for peak or lawn
if (lastlow==0 && lasthigh==0)
{
if (HighMapBuffer[shift]!=0)
{
lasthigh=High[shift];
lasthighpos=shift;
whatlookfor=-1;
ZigzagBuffer[shift]=lasthigh;
DrawHighLabel(shift);
res=1;
}
if (LowMapBuffer[shift]!=0)
{
lastlow=Low[shift];
lastlowpos=shift;
whatlookfor=1;
ZigzagBuffer[shift]=lastlow;
DrawLowLabel(shift);
res=1;
}
}
break;
case 1: // look for peak
if (LowMapBuffer[shift]!=0.0 && LowMapBuffer[shift]<lastlow && HighMapBuffer[shift]==0.0)
{
ZigzagBuffer[lastlowpos]=0.0;
RemoveLabel(lastlowpos);
lastlowpos=shift;
lastlow=LowMapBuffer[shift];
ZigzagBuffer[shift]=lastlow;
DrawLowLabel(shift);
res=1;
}
if (HighMapBuffer[shift]!=0.0 && LowMapBuffer[shift]==0.0)
{
lasthigh=HighMapBuffer[shift];
lasthighpos=shift;
ZigzagBuffer[shift]=lasthigh;
DrawHighLabel(shift);
whatlookfor=-1;
res=1;
}
break;
case -1: // look for lawn
if (HighMapBuffer[shift]!=0.0 && HighMapBuffer[shift]>lasthigh && LowMapBuffer[shift]==0.0)
{
ZigzagBuffer[lasthighpos]=0.0;
RemoveLabel(lasthighpos);
lasthighpos=shift;
lasthigh=HighMapBuffer[shift];
ZigzagBuffer[shift]=lasthigh;
DrawHighLabel(shift);
res=1;
}
if (LowMapBuffer[shift]!=0.0 && HighMapBuffer[shift]==0.0)
{
lastlow=LowMapBuffer[shift];
lastlowpos=shift;
ZigzagBuffer[shift]=lastlow;
DrawLowLabel(shift);
whatlookfor=1;
res=1;
}
break;
default: return;
}
}

return(0);
}

void DrawHighLabel(int shift)
{
string status = "";

double currentHigh = HighMapBuffer[shift];
double previousHigh;
// find the previous high
for (int i=shift+1; i<shift+1000; i++)
{
if (HighMapBuffer[i] != 0 && ZigzagBuffer[i] != 0)
{
previousHigh = HighMapBuffer[i];
break;
}
}
if (currentHigh > previousHigh)
{
status = "HH ";

}
else
{
status = "LH ";
}
double position = HighMapBuffer[shift] + (Labeldistance * Point * PipFactor);
ObjectCreate( "statusLabel"+Time[shift], OBJ_TEXT, 0, Time[shift], position);
ObjectSetText("statusLabel"+Time[shift], status, 10, "Arial", LabelColor1);
}

void DrawLowLabel(int shift)
{

string status = "";
double currentLow = LowMapBuffer[shift];
double previousLow;
// find the previous Low
for (int i=shift+1; i<shift+1000; i++)
{
if (LowMapBuffer[i] != 0 && ZigzagBuffer[i] != 0)
{
previousLow = LowMapBuffer[i];
break;
}
}
if (currentLow > previousLow)
{
status = "HL " ;

}
else
{
status = "LL ";
}
double position = LowMapBuffer[shift] - (Labeldistance/2 * Point * PipFactor);
ObjectCreate( "statusLabel"+Time[shift], OBJ_TEXT, 0, Time[shift], position);
ObjectSetText("statusLabel"+Time[shift], status, 10, "Arial", LabelColor2);

}

void RemoveLabel(int shift)
{
ObjectDelete("statusLabel"+Time[shift]);
}
//+------------------------------------------------------------------+

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