//+------------------------------------------------------------------+
//| GannSwings.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 5
#property indicator_color1 White
#property indicator_color2 Blue
#property indicator_color3 Red
#property indicator_color4 Aqua
#property indicator_color5 HotPink
extern int kind=1;// òèï òåíäåíöèè, 1- ìàëàÿ, 2 - ïðîìåæóòî÷íàÿ, 3 - îñíîâíàÿ
extern bool MoveLastSwing=false; // åñëè ðàâíî true, òî êîí÷èê õâîñòà áóäåò ñäâèãàòüñÿ áëèæå ê íóëåâîìó áàðó äëÿ äâóõ îäèíàêîâûõ áàðîâ ïî High èëè Low
//---- buffers
double SwingsBuffer[];
double HighsBuffer[];
double LowsBuffer[];
double TrendBuffer[];
double UpCloseOutSideBuffers[];
double DownCloseOutSideBuffers[];
double SwingHigh,SwingLow;
int prevSwing,LastSwing,myBars,lowCounter,highCounter;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
IndicatorBuffers(6);
SetIndexStyle(0,DRAW_SECTION);
SetIndexBuffer(0,SwingsBuffer);
SetIndexEmptyValue(0,0.0);
SetIndexBuffer(1,HighsBuffer);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1,159);
SetIndexBuffer(2,LowsBuffer);
SetIndexStyle(2,DRAW_ARROW);
SetIndexArrow(2,159);
SetIndexBuffer(3,UpCloseOutSideBuffers);
SetIndexStyle(3,DRAW_ARROW);
SetIndexArrow(3,108);
SetIndexBuffer(4,DownCloseOutSideBuffers);
SetIndexStyle(4,DRAW_ARROW);
SetIndexArrow(4,108);
SetIndexBuffer(5,TrendBuffer);
for (int i=Bars-1; i>=0; i--)
{
SwingsBuffer[i]=0.0;
HighsBuffer[i]=0.0;
LowsBuffer[i]=0.0;
TrendBuffer[i]=0.0;
UpCloseOutSideBuffers[i]=0.0;
DownCloseOutSideBuffers[i]=0.0;
}
SwingHigh=0.0;
SwingLow=0.0;
prevSwing=0;
LastSwing=0.0;
myBars=0;
lowCounter=0;
highCounter=0;
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| return shift of last swing |
//+------------------------------------------------------------------+
int GetLastSwing()
{
//----
int point=1;
while (SwingsBuffer[point]==0.0 && point<Bars) point++;
//----
return(point);
}
//+------------------------------------------------------------------+
//| Check prev swing |
//+------------------------------------------------------------------+
void SetPrevSwing()
{
//----
int LastPoint;
LastPoint=GetLastSwing();
SwingsBuffer[0]=0.0;
SwingHigh=High[LastPoint];
SwingLow=Low[LastPoint];
LastSwing=LastPoint;
//----
return;
}
//+------------------------------------------------------------------+
//| check Out side bar |
//+------------------------------------------------------------------+
bool isOutSideSwingBar(int shift)
{
bool res=false;
//----
res=((High[shift]>High[shift+1])&&(Low[shift]<Low[shift+1]));
if (res)
{
if (Close[shift]>Open[shift]) UpCloseOutSideBuffers[shift]=(High[shift]+Low[shift])/2.0;
else DownCloseOutSideBuffers[shift]=(High[shift]+Low[shift])/2.0;
}
//----
return(res);
}
//+------------------------------------------------------------------+
//| Check new low |
//+------------------------------------------------------------------+
void SetSwings(int shift)
{
//----
//----
return;
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
int limit;
bool nonOutSide;
if (counted_bars==0)
{
limit=Bars-1;
LowsBuffer[limit]=Low[limit];
SwingsBuffer[limit]=Low[limit];
SwingHigh=High[limit];
SwingLow=Low[limit];
LastSwing=limit;
TrendBuffer[limit]=-1.0;
}
if (counted_bars>0) limit=Bars-counted_bars;
if ( (counted_bars<0)|| ((counted_bars>0)&&(Bars-myBars>1)) ) init();
limit--;
//Print("Bars=",Bars," counted_bars=",counted_bars,);
//----
for (int cnt=limit;cnt>=0;cnt--)
{
if (limit<3)Print("cnt=",cnt," myBars=",myBars," LastSwing=",LastSwing);
//if (cnt==0) SetPrevSwing();
nonOutSide=!isOutSideSwingBar(cnt);
if (High[cnt]>SwingHigh) {highCounter++;SwingHigh=High[cnt];HighsBuffer[cnt]=SwingHigh;}
if (Low[cnt]<SwingLow) {lowCounter++;SwingLow=Low[cnt];LowsBuffer[cnt]=SwingLow;}
//isOutSideSwingBar(cnt);
TrendBuffer[cnt]=TrendBuffer[cnt+1];// åñëè íå áóäóò èçìåíåíèé - òðåíä ñîõðàíèòñÿ
if ((TrendBuffer[cnt+1]==-1.0) && (lowCounter==1))// && nonOutSide)
{
//if (LastSwing=!cnt)
if (LastSwing!=Bars-1) SwingsBuffer[LastSwing]=0.0; // çàòðåì ïðåäûäóùèé ñâèíã
LastSwing=cnt;
SwingHigh=High[cnt];
SwingLow=Low[cnt];
//TrendBuffer[cnt]=-1.0;
highCounter=0;
lowCounter=0;
SwingsBuffer[cnt]=Low[cnt];
HighsBuffer[cnt]=SwingHigh;
//Print("ïðîäîëæåíèå äàóíòðåíäà");
}
else
{
if (TrendBuffer[cnt+1]==-1.0 &&highCounter==kind)
{
//if (LastSwing=!cnt)
LastSwing=cnt;
SwingHigh=High[cnt];
SwingLow=Low[cnt];
TrendBuffer[cnt]=1.0;
highCounter=0;
lowCounter=0;
SwingsBuffer[cnt]=High[cnt];
LowsBuffer[cnt]=SwingLow;
//Print("ðàçâîðîò äàóíòðåíäà");
}
else
{
if (TrendBuffer[cnt+1]==-1.0 && Low[cnt]==SwingLow && MoveLastSwing)
{
SwingsBuffer[LastSwing]=0.0;
LastSwing=cnt;
/* SwingLow=Low[cnt];
SwingHigh=High[cnt];
highCounter=0;
lowCounter=0;
*/ SwingsBuffer[cnt]=Low[cnt];
}
}
}
if ((TrendBuffer[cnt+1]==1.0) && (highCounter==1))// && nonOutSide)
{
//if (LastSwing=!cnt)
if (LastSwing!=Bars-1) SwingsBuffer[LastSwing]=0.0; // çàòðåì ïðåäûäóùèé ñâèíã
LastSwing=cnt;
SwingHigh=High[cnt];
SwingLow=Low[cnt];
//TrendBuffer[cnt]=1.0;
highCounter=0;
lowCounter=0;
SwingsBuffer[cnt]=High[cnt];
LowsBuffer[cnt]=SwingLow;
//Print("ïðîäîëæåíèå àïòðåíäà");
}
else
{
if (TrendBuffer[cnt+1]==1.0 &&lowCounter==kind)
{
//if (LastSwing=!cnt)
LastSwing=cnt;
SwingHigh=High[cnt];
SwingLow=Low[cnt];
TrendBuffer[cnt]=-1.0;
highCounter=0;
lowCounter=0;
SwingsBuffer[cnt]=Low[cnt];
HighsBuffer[cnt]=SwingHigh;
//Print("ðàçâîðîò àïòðåíäà");
}
else
{
if (TrendBuffer[cnt+1]==1.0 && High[cnt]==SwingHigh && MoveLastSwing)
{
SwingsBuffer[LastSwing]=0.0;
LastSwing=cnt;
/* SwingLow=Low[cnt];
SwingHigh=High[cnt];
highCounter=0;
lowCounter=0;
*/ SwingsBuffer[cnt]=High[cnt];
}
}
}
}
myBars=Bars;
//----
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Series array that contains close prices for each bar
Series array that contains open prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_SECTION
Implements a curve of type DRAW_ARROW
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: