[R] Returning to normal after call to layout()

[Brian D Ripley]

On Fri, 10 Dec 2004, michael watson (IAH-C) wrote:

> Hi Petr
>
> Yes thanks I did get your response and it was helpful.  However, I have
> now resorted to using barplot() to draw a legend (as all I wanted was
> colored boxes and text) and it works very well for my needs.
>
> Basically, with layout() I'm not getting what I would expect, which may
> be a problem with my expectation rather than anything else.  Like I say,
> I have a function which draws a plot, using layout to divide the
> plotting region into top and bottom.  Fine.  If the user calls my
> function, and then another plotting function, I would expect the new
> plotting function to overwrite the whole of the old plot - but it
> doesn't, it draws the new plot in the top half of the old plot, and
> clears the bottom plot.  So what I want is something which says, after
> calling layout(), "OK, I'm done plotting in two different regions, I
> want you to treat the current device as a single region again".

Please look at the example in ?layout, which does exactly that.
Or look at ?par, especially mfrow and mfcol.  You need to reset the
appropriate par()s.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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