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That's wonderful - exactly what I was looking for...thanks very much.
Tomasz (if you're watching!),
I can't find any reference to this in the user guide...specifically,
there's no mention of "firstvisiblebarindex" and "lastvisiblebarindex"
in the help for the "Status" function. Perhaps this needs updating?
vlanschot wrote:
> Perhaps this helps:
>
> StartBar= LastValue(Status("firstvisiblebarindex"));
>
> LastBar= LastValue(Status("lastvisiblebarindex"));
>
> Range=LastBar-StartBar;
> // You've now defined the range of bars that you see
> // Next
>
> HHVRange=Lastvalue(HHV(Varx,Range);
> LLVRange=LastValue(LLV(Varx, Range);
>
> //Or you could create a loop in order to specifically define HHV
> (Varx, Range)[LastBar], etc.
>
>
> PS
> --- In amibroker@xxxxxxxxxxxxxxx, Andy Davidson <AndyDavidson@xxx>
> wrote:
> >
> > Does anyone know if it's possible to retrieve the *currently
> displayed*
> > axis min and max values for a given plot?
> >
> > I'm trying to scale a binary plot based on the min/max values of
> another
> > plot in the same window. Styleownscale would have been perfect, but
> for
> > the fact that the zero-reference lines don't tie up as the plot is
> > scrolled (the first plot is unbounded a so the zero point shifts up
> and
> > down with auto-scaling - think of something along the lines of an
> MACD
> > Histogram plot).
> >
> > The best fix I've found so far is to use the StDev (or HHV/LLV) of
> the
> > first plot to determine a scaling factor for the second plot. The
> > problem with that is that if the StDev range is too short then it
> looks
> > all "wobbly" (i.e., not what binary plots are supposed to look
> like), if
> > it's too long then past values that are off-screen influence the
> > scaling...a problem when they are anomalously high or low in
> relation to
> > the current values. Manual scaling of the "styleownscale" plot type
> has
> > similar problems.
> >
> > What I've got serves the purpose in the event that I'm not missing
> > something...if I am though, I'd be grateful if someone could point
> out
> > what it might be.
> >
> > Andy
> >
> >
> >
> >
> > ___________________________________________________________
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>
>
>
>
>
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