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Gann Swing for Amibroker (AFL)
javad
over 4 years ago
Amibroker (AFL)

Rating:
3 / 5 (Votes 8)
Tags:
amibroker, gann

Gann Swing chart with a minor modification to make the formula use the Plot function so that it can be overlayed better.

Indicator / Formula

Copy & Paste Friendly
_SECTION_BEGIN("Gann Swing Charts with text");

Version(5.60);

GraphXSpace = 10;

// Swing Charts 
// Main Formula designed by Tomasz Janeczko. Equal width swing and Text formulaby Marcin Gorzynski - Amibroker Support
// Alterations by OzTraderGuy

_SECTION_BEGIN("Price - Bars or Candles");

_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g,
Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));

PriceStyle = ParamList("Price Style", "Candlesticks|Coloured Bars");

PriceStyle1 =  PriceStyle == "Candlesticks";
PriceStyle2 =  PriceStyle == "Coloured Bars";


_SECTION_END();


twobarmode = ParamToggle("Two bar mode","No|Yes",0);
PlotType = ParamList("Plot type", "MODE1 - Equal swing|MODE2 - Low level
GFX|MODE3 - Regular");
PlotType1 =  PlotType == "MODE1 - Equal swing";
PlotType2 =  PlotType == "MODE2 - Low level GFX";
PlotType3 =  PlotType == "MODE3 - Regular";



swingColor = ParamColor("SwingColor", colorLightBlue );
UpTextColor = ParamColor("Swing High Text Color", colorGreen );
DnTextColor = ParamColor("Swing Low Text Color", colorRed );

SwingWidth = Param("Swing Thickness (px)", 2, 1, 20, 1);
EMAWidth= Param("EMA Thickness (px)", 2, 1, 20, 1);
DisplaySwing = ParamToggle("Display Swing ","No|Yes",1);
displayText = ParamToggle("Display text","No|Yes",0);
displayEMA = ParamToggle("Display EMA","No|Yes",0);


ChartScale = ParamToggle("Chart scale", "Linear|Log",0);
if( ChartScale == 0 )
	SetChartOptions(1,chartShowArrows|chartShowDates);
else
	SetChartOptions(1,chartShowArrows|chartShowDates|chartLogarithmic);

if (PriceStyle1 AND PlotType2 OR PlotType3  )  Plot( C, "Close",  colorBlack ,
styleNoTitle | styleCandle| ParamStyle("Style")  ); 
if( PriceStyle2 AND PlotType2 OR PlotType3  )	Plot( C, "Close", IIf(
C>O,colorDarkGreen , colorRed), styleNoTitle | styleBar| ParamStyle("Style") );



_SECTION_END();


_SECTION_BEGIN("Gann Swing");


/* Gann Swing chart v4 */
/* Last modified 24 Feb 2001 */
/* AFL implementation by */
/* (C)2001 Tomasz Janeczko  */
/* one and two - bar reversal version */

/* Change this to 1 for two-bar mode */


outsidebar = Outside();
insidebar = H <= Ref( H, -1 ) AND L >= Ref( L, -1 ); upbar = H > Ref( H, -1 )
AND L >= Ref( L, -1 );
downbar = L < Ref( L, -1 ) AND H <= Ref( H, -1 );

upbar2 = upbar OR ( outsidebar AND Ref( downbar, 1 ) ) ;
downbar2 = downbar OR ( outsidebar AND Ref( upbar, 1 ) );

Poi =  outsidebar AND Ref( insidebar, 1 );
Poo =  outsidebar AND Ref( outsidebar, 1 );
Pooi = Poo AND Ref( insidebar, 2 );
Poio = Poi AND Ref( outsidebar, 2 );
Poii =  Poi AND Ref( insidebar, 2 );
Pooo = Poo AND Ref( outsidebar, 2 );
Poooi = Pooo AND Ref( insidebar, 3 );
Pooio = Pooi AND Ref( outsidebar, 3 );
Poioo = Poio AND Ref( outsidebar, 3 );

upbar3 = upbar2 OR ( Poi AND Ref( downbar, 2 ) );
downbar3 = downbar2 OR ( Poi AND Ref( upbar, 2 ) );
 
upbar4 = upbar3 OR ( Poo  AND Ref( upbar, 2 ) );
downbar4 = downbar3 OR ( Poo  AND Ref( downbar, 2 ) );

upbar5 = upbar4 OR  ( Pooi AND Ref( upbar, 3 ) );
downbar5 = downbar4 OR  ( Pooi  AND Ref( downbar, 3 ) );

upbar6 = upbar5 OR  ( Poio AND Ref( upbar, 3 ) );
downbar6 = downbar5 OR  ( Poio  AND Ref( downbar, 3 ) );

upbar7 = upbar6 OR  ( Poii AND Ref( downbar, 3 ) );
downbar7 = downbar6 OR  ( Poii  AND Ref( upbar, 3 ) );

upbar8 = upbar7 OR  ( Pooo AND Ref( downbar, 3 ) );
downbar8 = downbar7 OR  ( Pooo AND Ref( upbar, 3 ) );

upbar9 = upbar8 OR  ( Poooi AND Ref( downbar, 4 ) );
downbar9 = downbar8 OR  (Poooi  AND Ref( upbar, 4 ) );

upbar10 = upbar9 OR  ( Pooio AND Ref( downbar, 4 ) );
downbar10 = downbar9 OR  (  Pooio AND Ref( upbar, 4 ) );

upbar11 = upbar10 OR  (  Poioo AND Ref( downbar, 4 ) );
downbar11 = downbar10 OR  ( Poioo  AND Ref( upbar, 4 ) );

fupbar = upbar11;
fdownbar = downbar11;
 
// Two-bar mode handling
fupbar = IIf( twobarmode, fupbar AND Ref( fupbar, 1 ), fupbar );
fdownbar = IIf( twobarmode, fdownbar AND Ref( fdownbar, 1 ), fdownbar );

/* Barcount since most recent up and down swings */
Us = BarsSince( fupbar  ); 
Ds = BarsSince( fdownbar ) ;

Sd1 =IIf( Us==0, 1,  IIf( Ds==0, -1, 0) );

Sd2 = IIf( Sd1 == 1,  IIf( Ref( BarsSince(Sd1==1), -1) > Ref( BarsSince( Sd1 ==
-1), -1), 1, 0), 
          IIf( Sd1 == -1,  IIf( Ref( BarsSince(Sd1==1),-1) < Ref( BarsSince( Sd1
== -1),-1), -1, 0),  0 ) ); 

g0 =  ValueWhen( Sd2, Sd2 ); /* sample and hold non-zero values */

/* shift back one bar, add one dummy swing at the end and shift forward */
/* to ensure proper handling of the last swing */

bi = BarIndex();
lastbar = bi == LastValue( bi );
swinglevel = IIf( g0 == -1, HighestSince( Sd2 == 1, H ), LowestSince( Sd2 == -1,
L ) );
swinglevel = IIf( lastbar, IIf( g0 == -1, LowestSince( Sd2 == -1, L ),
HighestSince( Sd2 == 1, H )), Ref( swinglevel, 1 ) );

/* Gann Swing chart drawn here */
myGraph1 =  Ref( ValueWhen( Ref( Sd2 != 0, 1 ) OR lastbar, swinglevel ,  0 ), -1
);


graphUPStartX = myGraph1 > Ref( MyGraph1, -1);
GraphDNStartX = myGraph1 < Ref( MyGraph1, -1);
myGraph2up = ValueWhen( GraphDNStartX, Ref(HighestSince(graphUPStartX ,
High),-1), 0);
myGraph2dn = ValueWhen( graphUPStartX OR Lastbar, Ref(LowestSince(GraphDNStartX
, Low),-1), 0);
LastLeg = bi >= LastValue( ValueWhen(graphUPStartX OR GraphDNStartX, bi ) );
myGraph2up = IIf( LastLeg, mygraph1, mygraph2up);
myGraph2dn = IIf( LastLeg, mygraph1, mygraph2dn);
myGraph1 = IIf( g0 == -1, myGraph2dn , myGraph2up  );



_SECTION_END();


_SECTION_BEGIN( "TEXT TO GANN SWING CHART" );


BarsOffset = Param("Shift Text Sideways", -1, -10, 0, 1);
dist = Param("Shift Text Up or Down", 1.2, 0.1, 10, 0.1)*ATR(200);

bi = BarIndex();
dt = DateTime();


textUPStartX = myGraph1 > Ref( MyGraph1, -1);
textDNStartX = myGraph1 < Ref( MyGraph1, -1);

UPsw = BarsSince( textUPStartX ) < BarsSince( textDNStartX ) ;


textUpStartBI = ValueWhen( textUPStartX , bi );
textUpEndBI = ValueWhen( textDnStartX , bi,0 );
textDnStartBI = ValueWhen( textDnStartX , bi );
textDnEndBI = ValueWhen( textUPStartX , bi,0 );

upBarsCount = ValueWhen( textDnStartX OR Lastbar, ValueWhen( H == myGraph1, 
BarsSince(L == myGraph1)  ),0 );
DnBarsCount = ValueWhen( textUPStartX OR Lastbar, ValueWhen( L == myGraph1, 
BarsSince(H == myGraph1)  ),0 );

DateUp =  ValueWhen( textDnStartX OR Lastbar, ValueWhen( H == myGraph1,  dt  ),0
);
DateDn = ValueWhen( textUPStartX OR Lastbar, ValueWhen( L == myGraph1,  dt ),0
);

TextUpPosition = bi == floor( (textUpEndBI + textUpStartBI)/2) AND Upsw;
TextDnPosition = bi == floor( (textDnEndBI + textDnStartBI)/2) AND NOT Upsw;
TextUpPosition = Ref(TextUpPosition , -BarsOffset);
TextDnPosition = Ref(TextDnPosition  , -BarsOffset);

CurrentSwing = ValueWhen( textUPStartX OR textDNStartX, myGraph1);
PreviousSwing = ValueWhen( textUPStartX OR textDNStartX, Ref( myGraph1,-1) );

range = abs(CurrentSwing - PreviousSwing);

CurrentSwingShifted = Ref( CurrentSwing , -BarsOffset);


LevelUP = Ref( myGraph1, -BarsOffset) + dist;
LevelDN = Ref( myGraph1, -BarsOffset) - (dist*0.5);  // Adjusted Level down
range = Ref( range , -BarsOffset);

upBarsCount = Ref( upBarsCount , -BarsOffset);
DnBarsCount = Ref( DnBarsCount , -BarsOffset);
DateUp =  Ref( DateUp , -BarsOffset);
DateDn = Ref( DateDn , -BarsOffset);

if ( ( PlotType2 OR Plottype3 ) AND displaytext )
{


    for ( i = 0; i < BarCount; i++ )
    {
        if ( TextUpPosition[i] )
        {
            textUp =  NumToStr( CurrentSwingShifted [ i ], 1.2, 0 )
                      + "\n"
                      + DateTimeToStr( DateUp [ i ] )
                      + "\n"
                      + "R:" + NumToStr( range[ i ], 1.2, 0 )
                      + "\n"
                      + "Bars:" + NumToStr( upBarsCount [ i ], 1 )
                      + "\n"  ;

            PlotText( textUp , i, LevelUP[ i ], UpTextColor );
        }



        if ( TextDnPosition [i] )
        {
            textDn =  NumToStr( CurrentSwingShifted [ i ], 1.2, 0 )
                      + "\n"
                      + DateTimeToStr( DateDn [ i ] )
                      + "\n"
                      + "R: " + NumToStr( range[ i ], 1.2, 0 )
                      + "\n"
                      + "Bars: " + NumToStr( DnBarsCount [ i ], 1 )
                      + "\n";



            PlotText( textDn , i, LevelDN[ i ], DnTextColor );
        }
    }
}



if ( DisplaySwing AND PlotType2 )
{
    Plot( myGraph1, "Swing Chart", swingColor, styleStaircase, Null, Null, 0, 0,
SwingWidth );
}

if ( DisplaySwing AND PlotType3 )
{
   Plot( myGraph1, "Swing Chart",  swingColor, styleStaircase | styleSwingDots,
Null, Null, 0, Zorder = 1 );

}

if ( displayEMA AND PlotType2  )
{
    Plot( EMA( Close, 200 ), "",colorTurquoise, styleLine|styleNoRescale, Null,
Null, 0, 0, EMAWidth );
    Plot( EMA( Close, 50 ), "",colorLime, styleLine|styleNoRescale, Null, Null,
0, 0, EMAWidth );
    Plot( EMA( Close, 20 ), "",colorBlue, styleLine|styleNoRescale, Null, Null,
0, 0, EMAWidth );
}

if ( displayEMA AND PlotType3  )
{
    Plot( EMA( Close, 200 ), "",colorTurquoise, styleLine|styleNoRescale );
    Plot( EMA( Close, 50 ), "",colorLime, styleLine|styleNoRescale);
    Plot( EMA( Close, 20 ), "",colorBlue, styleLine|styleNoRescale );
}



//equal width swings

bars = Param( "MODE 1 - Equal bars swing width", 5, 3, 10, 1 );
Count = 2;
myVal = LastValue( myGraph1 );
myNewChart = Null;
myNewChart[ BarCount-1 ]  = myVal;
positionUp = IIf( LastValue( BarsSince( textUpStartX ) < BarsSince( textDnStartX
) ), 1, -1 );//-1

if ( PlotType1 )
{
    j = BarCount - 1;
    for ( i = BarCount - 1; i > 0; i-- )
    {
        if ( Count == ceil( bars / 2 ) - BarsOffset )
        {


            bar = Max( 0, Min( j + BarsOffset, BarCount - 1 ) );
            bbarsCount = IIf( 	positionUp == 1, upBarsCount [ bar ], dnBarsCount
[ bar ] );
            bdate = IIf( 	positionUp == 1, DateUp[ bar ], DateDn[ bar ] );


            dist2 = IIf( positionup == 1, dist, dist * 0.4 );   // Made up dist2 to raise the lower swing text





            textUp =  NumToStr( CurrentSwingShifted [ bar ], 1.2, 0 )
                      + "\n"
                      + DateTimeToStr( bdate [ bar ] )
                      + "\n"
                      + "R:" + NumToStr( range[ bar ], 1.2, 0 )
                      + "\n"
                      + "Bars:" + NumToStr( bbarsCount , 1 )
                      + "\n" ;



            PlotText( textUp , i, myVal + positionUp * dist2[ j ], IIf(positionUp == 1, UpTextColor, DnTextColor) );
        }


        if ( Count < bars )
        {
            myNewChart[ i ]  = myVal;
            Count++;
        }
        else
        {
            while ( mygraph1[ j ] == myVal AND j > 0 )
            {
                j--;

            }

            myNewChart[ i ]  = myVal;

            myVal = myGraph1[ j ];

            Count = 1;
            positionUp *= -1;
        }
    }

    Plot( myNewChart, "Swing Chart", ParamColor( "Equal Swing Color", colorBlack
), styleSwingDots | styleStaircase, Null, Null, 0, 0, EMAWidth );
}
_SECTION_END();

3 comments

1. anandnst

How to use these numbers?

2. monumobile2007

bakwasss

3. lukaszplewa

good job man!

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