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Bill,
Many, many thanks!!! This worked great!
I added the functions to my include file and add a new volume section to my
primary volume analysis chart. Before I had the volume in a separate pane.
Now it's in the price chart pane.
Below is my new Volume Section for reference. Since I like color volume
bars, I add code for those.
Regards,
Dan.
_SECTION_BEGIN("Volume");
if (PlotVolumeBool)
{
V = round(V/1000);
Plot(V, "Vol", IIf( C > Ref(C, -1), ParamColor("Up Color",
colorGreen ), ParamColor("Down Color", colorRed ) ), styleHistogram |
styleOwnScale + styleNoLabel + styleNoTitle, L1(V, 5, 65), U1(V, 5, 65) );
Plot( round(MA( V, 50 )), "Vol MA(50)", ParamColor( "Vol MA Color",
colorOrange), styleLine | styleOwnScale + styleNoLabel + styleNoTitle, L1(V,
5, 65), U1(V, 5, 65) );
}
_SECTION_END();
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of Bill Barnard
Sent: Saturday, October 08, 2005 10:34 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: How to plot volume in price pane using 1/3 of pane?
--- In amibroker@xxxxxxxxxxxxxxx, "Dan Clark" <dan_public@xxxx> wrote:
>
> Hi,
>
> I'd like to overlay a volume histogram in a price bar pane, but set it up
so
> that the tallest volume bar take up onlys 1/3 of the pane. How can I do
> that?
Dan, Here is a way. You can change the numbers for the LowerFreespacePercent
and the UpperFreespacePercent to suit your needs. (Be sure to undo the
line-wrap in the long Title statement.) Bill
// Lower limit for plotting one variable
function L1 (Var, LowerFreespacePercent,
UpperFreespacePercent)
{
vis = Status("barvisible");
Hii = LastValue(Highest(Var*vis));
Loo = LastValue(Lowest((Var - Hii)*vis) + Hii);
range = Hii - Loo;
rangePercent = 100 - LowerFreespacePercent -
UpperFreespacePercent;
mult = range / rangePercent;
result = Loo - mult*LowerFreespacePercent;
return result;
}
// Upper limit for plotting one variable
function U1 (Var, LowerFreespacePercent,
UpperFreespacePercent)
{
vis = Status("barvisible");
Hii = LastValue(Highest(Var*vis));
Loo = LastValue(Lowest((Var - Hii)*vis) + Hii);
range = Hii - Loo;
rangePercent = 100 - LowerFreespacePercent -
UpperFreespacePercent;
mult = range / rangePercent;
result = Hii + mult*UpperFreespacePercent;
return result;
}
_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( Close, "Close", colorRed, styleNoTitle | styleBar |
styleOwnScale, L1(Close, 15, 12), U1(Close, 15, 12) );
Plot(Volume, "volume", colorLightBlue, styleHistogram |
styleOwnScale, L1(Volume, 5, 65), U1(Volume, 5, 65) );
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