funnyguy
Registered: Feb 2012
Posts: 96 |
04-30-12 04:02 PM
Gann Swing chart
code:
_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g,
Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));
Plot( C, "Close", ParamColor("Color", colorBlack ), styleNoTitle |
ParamStyle("Style") | GetPriceStyle() );
_SECTION_END();
_SECTION_BEGIN("Gann Swing");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));
/* 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 */
twobarmode = 1;
outsidebar = Outside();
insidebar = H <= Ref( H, -1 ) AND L >= Ref( L, -1 ); // built-in inside() works with < > instead of <= >=
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 */
lastbar = Cum(1) == LastValue( Cum(1) );
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 );
Plot( myGraph1, "graph1", ParamColor("SwingColor", colorBlueGrey ), styleStaircase/*|styleSwingDots*/, Null, Null, 0);
GraphXSpace = 5;
_SECTION_END();
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