Message-ID: <Pine.LNX.4.31.0212271904410.7425-100000@gannet.stats>
Date: 2002-12-27T20:11:02Z
From: Brian Ripley
Subject: handling objects plotted on x11 device
In-Reply-To: <3E0C7AB0.40202@statistik.uni-dortmund.de>
On Fri, 27 Dec 2002, Uwe Ligges wrote:
> Timur Elzhov wrote:
> >
> > Is it possible to handle objects have already been plotted on
> > x11 device? For example, I wrote the text on the wrong place.
> > Can I remove it, or I have to re-draw all the canvas, again?
>
> The latter.
You can re-plot the text in background colour (col=0) *provided that is
not transparent* (when you can use the canvas colour) and provided it did
not overlap other graphics.
In practice, Uwe's suggestion is much the easiest one.
--
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