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[amibroker] Zig zag retracements: how to display just the ones I want?



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Hello everybody,
this is the code I took from the library:


//////////////////////////////////////////////////////////////////
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",styleHidden,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, colorBlack);
}
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, colorBlack);
}
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,
colorBlack);
PlotText(StrFormat("%.3f (%.0f)", Down, DnBars), (xs1 + xs0)/2,
(ys1+ys0)/2,
colorBlack);
//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();



This displays all the retracements.

I just want it to find the retracements I want:
0.382,0.618,0.786,0.50,0.66,0.33,etc.

This is a screenshot of what I want:
http://charts.dacharts.com/2008-10-12/Buff_33.png

Can anybody help me with this?

Thanks forward for help.
Regards,
Deviad


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