[R] drawing outside a plot region

[Prof Brian Ripley]

On Sun, 5 Feb 2006, ivo welch wrote:

> Dear R wizards:  First, thank you for all the responses to my earlier
> queries.  Will keep me busy tomorrow morning.  Can I add one graphics
> question to my ever changing set of bothering questions, please?
>
> plot( c(0,1), c(0,1) );
> crop.to.plot.off();   # what I want; does not exist
> text( -0.3, 0.1, " this is 0.1 "); arrows(-0.1,0.1,0,0.1);
> crop.to.plot.on();   # what I want; does not exist
>
> of course, the text and most of the arrow is cropped.  for most of my
> graph, I like the crop, but here I would like to turn it off.

See par(xpd) which does exactly this (and also allows cropping to the 
figure region).

-- 
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)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595