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Help me pls. :(
--- In amibroker@xxxxxxxxxxxxxxx, "awbe2005" <awbe2005@xxx> wrote:
>
> A chart that shows what the code I posted here is missing:
>
> http://img261.imageshack.us/my.php?image=esempioit7.png
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "awbe2005" <awbe2005@> wrote:
> >
> > Hello guys I'd like to have this kind of zig zag retracements
> >
> > http://charts.dacharts.com/2008-10-12/Johnny_Chart78.png
> >
> >
> > A code I found is this:
> >
> >
> > _SECTION_BEGIN("ZigZag Retracement");
> > function GetXSupport(Lo, Percentage, Back)
> > {
> > return ((BarCount - 1) - LastValue(TroughBars(Lo, Percentage,Back)));
> > }
> > function GetYSupport(Lo, Percentage, Back)
> > {
> > return (LastValue(Trough(Lo, Percentage, back)));
> > }
> >
> > function GetXResistance(Hi, Percentage, Back)
> > {
> > return ((BarCount - 1) -LastValue(PeakBars(Hi, Percentage, Back)));
> > }
> > function GetYResistance(Hi, Percentage, Back)
> > {
> > return (LastValue(Peak(Hi, Percentage, Back)));
> > }
> >
> > //////////////////////////////////////////////////////////////////
> > Per = Param("Period", 5.9618, .1, 20, .001);
> > Period = Param("Look back", 10, 1, BarCount-1);
> > ShowRet = ParamToggle("Show Retracement values", "No|Yes",1);
> > Price = ParamList("Price to follow:", "Close|High|Low", 0);
> > if(Price=="Close") ZigP = Zig(C, per);
> > else if(Price=="High") ZigP = Zig(H, per);
> > else ZigP = Zig(L, per);
> >
> > //////////////////////////////////////////////////////////////////
> > Plot(C, "", IIf(O>=C, colorDarkRed, colorDarkGreen), ParamStyle("Price
> > Style",styleBar,maskPrice));
> > Plot(ZigP, "Zig", colorGold, styleThick);
> > //////////////////////////////////////////////////////////////////
> >
> > xs1 = GetXSupport(ZigP, .01, 1);
> > xr1 = GetXResistance(ZigP, .01, 1);
> > ys1 = GetYSupport(ZigP, .01, 1);
> > yr1 = GetYResistance(ZigP, .01, 1);
> >
> > if(xs1 < xr1)
> > {
> > x = LineArray(xs1, ys1, BarCount - 1, LastValue(ZigP));
> > Down = (yr1 - LastValue(ZigP)) / (yr1 - ys1);
> > DnBars = BarCount - 1 - xr1;
> > Plot(x, "", colorRed, styleDots);
> > PlotText(StrFormat("%.3f (%.0f)", Down, DnBars), (xs1 + BarCount
-1)/2,
> > (ys1+LastValue(ZigP))/2, colorWhite);
> > }
> > else
> > {
> > x = LineArray(xr1, yr1, BarCount - 1, LastValue(ZigP));
> > Up = (LastValue(ZigP) - ys1) / (yr1 - ys1);
> > UpBars = BarCount - 1 - xs1;
> > Plot(x, "", colorRed, styleDots);
> > PlotText(StrFormat("%.3f (%.0f)", Up, UpBars), (xr1 + BarCount -1)/2,
> > (yr1+LastValue(ZigP))/2, colorWhite);
> > }
> > Plot( 1, "", IIf( xs1 > xr1, colorGreen,
> > colorRed),styleOwnScale|styleArea|styleNoLabel, -0.5, 100 );
> > if(ShowRet)
> > for(i=2; i<=Period+1; i++)
> > {
> > xs0 = GetXSupport(ZigP, .01, i);
> > xs1 = GetXSupport(ZigP, .01, i-1);
> > ys0 = GetYSupport(ZigP, .01, i);
> > ys1 = GetYSupport(ZigP, .01, i-1);
> >
> > xr0 = GetXResistance(ZigP, .01, i);
> > xr1 = GetXResistance(ZigP, .01, i-1);
> > yr0 = GetYResistance(ZigP, .01, i);
> > yr1 = GetYResistance(ZigP, .01, i-1);
> >
> > xs = LineArray(xs0, ys0, xs1, ys1, 0);
> > Plot(xs, "", colorGold, styleLine|styleDashed);
> > xr = LineArray(xr0, yr0, xr1, yr1, 0);
> > Plot(xr, "", colorGold, styleLine|styleDashed);
> > if(xs1 < xr1)
> > {
> > Up = (yr1 - ys1) / (yr0 - ys1);
> > Down = (yr0 - ys1) / (yr0 - ys0);
> > UpBars = xr1 - xs1;
> > DnBars = xs1 - xr0;
> > }
> > else
> > {
> > Up = (yr1 - ys0) / (yr0 - ys0);
> > Down = (yr1 - ys1) / (yr1 - ys0);
> > UpBars = xr1 - xs0;
> > DnBars = xs1 - xr1;
> > }
> > PlotText(StrFormat("%.3f (%.0f)", Up, UpBars), (xr1 + xr0)/2,
> > (yr1+yr0)/2,
> > colorWhite);
> > PlotText(StrFormat("%.3f (%.0f)", Down, DnBars), (xs1 + xs0)/2,
> > (ys1+ys0)/2,
> > colorWhite);
> > //Plot(LineArray(xs0, ys0, BarCount-1, ys0), "", colorGreen,
> > styleDashed);
> > //Plot(LineArray(xr0, yr0, BarCount-1, yr0), "", colorRed,
> styleDashed);
> >
> > }
> >
> > str = StrFormat(" (Bars to END=%.0f)\n", BarCount - 1 - BarIndex());
> > Title =FullName()+" ("+Name()+") - "+Date()+" - Open: "+O+", Hi:
> > "+H+", Lo:
> > "+L+", Close: "+C+StrFormat(" (%.2f %.2f%%)", C-Ref(C, -1),
> > SelectedValue(ROC(C, 1)))+str;
> > WriteIf(1, "\nNote Fibonacci numbers:\nPrimary numbers: 0.618, 0.786,
> > 1.27 and
> > 1.618","");
> > WriteIf(1, "Secondary numbers: 0.382, 0.50, 1.00, 2.00, 2.24,
2.618 and
> > 3.14","");
> >
> >
> > _SECTION_END();
> >
> >
> > But it doesn't show all of the retracements, just some.
> >
>
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