From maechler at stat.math.ethz.ch  Thu Jan  8 14:39:54 2009
From: maechler at stat.math.ethz.ch (Martin Maechler)
Date: Thu, 8 Jan 2009 14:39:54 +0100
Subject: [Rd] legend() in a multiple figure environment
In-Reply-To: <3c12769c0901080508h7afea9cawbd787cb8722b6ef6@mail.gmail.com>
References: <3c12769c0901080231l28c5442fu2c1a23d0228c71ce@mail.gmail.com>
	<4965E02D.7030000@epfl.ch>
	<3c12769c0901080508h7afea9cawbd787cb8722b6ef6@mail.gmail.com>
Message-ID: <18790.554.354696.731117@stat.math.ethz.ch>

>>>>> "SG" == Simone Giannerini <sgiannerini at gmail.com>
>>>>>     on Thu, 8 Jan 2009 14:08:17 +0100 writes:

    SG> Dear Mathieu, On Thu, Jan 8, 2009 at 12:14 PM, Mathieu
    SG> Ribatet <mathieu.ribatet at epfl.ch> wrote:
    >> Dear Simone,
    >> 
    >> Did mean that the legend (text and/or box) overlap with
    >> the Normal density?

    SG> no, I mean that the two legend() commands, which are
    SG> identical in all but the y-coordinates, produce
    SG> different results, namely boxes with different widths.

I don't see that behavior at all, rather the two boxes have
identical dimensions for me.

What does  dev.cur() say?  if anything with "X11..." (as you are
on Linux),  what does

 str(X11.options())

give?


    SG> Ciao

    SG> Simone

    >> If so then I think there's no problem as the legend is
    >> placed where you told R to do. And R won't check (for
    >> you) if it will overlap or not with pre-existing
    >> graphical elements.
    >> 
    >> On my computer, I got the expected results - if I
    >> understood correctly your issue though. For information:
    >> 
    >> R version 2.8.1 (2008-12-22) Linux mathieu-laptop
    >> 2.6.27-11-generic #1 SMP Fri Dec 19 16:29:52 UTC 2008
    >> i686 GNU/Linux (Ubuntu Intrepid)
    >> 
    >> Cheers, Mathieu
    >> 
    >> Simone Giannerini a ?crit :
    >>> 
    >>> Dear all,
    >>> 
    >>> there seems to be a problem with displayed legends when
    >>> a multiple figure environment is used, see the following
    >>> example:
    >>> 
    >>> par(mfrow=c(1,2)) curve(dnorm,col=4,from=-4,to=4);
    >>> legend(-4,0.3,legend="curve",lty=1,col=4)
    >>> legend(-4,0.2,legend="curve",lty=1,col=4)
    >>> 
    >>> 
    >>> On my machines the first time the command legend() is
    >>> issued the legend box stretches over the
    >>> curve. Subsequent calls to legend seems to produce a
    >>> correct box instead.
    >>> 
    >>> openSuse 11.0
    >>> 
    >>> platform x86_64-unknown-linux-gnu arch x86_64 os
    >>> linux-gnu system x86_64, linux-gnu status Patched major
    >>> 2 minor 8.1 year 2009 month 01 day 07 svn rev 47501
    >>> language R version.string R version 2.8.1 Patched
    >>> (2009-01-07 r47501)
    >>> 
    >>> I see this on the same version of R on Windows VISTA 32
    >>> bit as well; I do not see this behaviour on a machine
    >>> with R 2.8.0.
    >>> 
    >>> Thank you,
    >>> 
    >>> Simone
    >>> --
    >>> ______________________________________________________
    >>> 
    >>> Simone Giannerini Dipartimento di Scienze Statistiche
    >>> "Paolo Fortunati" Universita' di Bologna Via delle belle
    >>> arti 41 - 40126 Bologna, ITALY Tel: +39 051 2098262 Fax:
    >>> +39 051 232153 http://www2.stat.unibo.it/giannerini/
    >>> 
    >>> ______________________________________________
    >>> R-devel at r-project.org mailing list
    >>> https://stat.ethz.ch/mailman/listinfo/r-devel
    >>> 
    >> 
> --
> Institute of Mathematics Ecole Polytechnique F?d?rale de
    >> Lausanne STAT-IMA-FSB-EPFL, Station 8 CH-1015 Lausanne
    >> Switzerland http://stat.epfl.ch/ Tel: + 41 (0)21 693 7907
    >> 
    >> 
    >> 



-- 
______________________________________________________

    SG> Simone Giannerini Dipartimento di Scienze Statistiche
    SG> "Paolo Fortunati" Universita' di Bologna Via delle belle
    SG> arti 41 - 40126 Bologna, ITALY Tel: +39 051 2098262 Fax:
    SG> +39 051 232153 http://www2.stat.unibo.it/giannerini/

    SG> ______________________________________________
    SG> R-devel at r-project.org mailing list
    SG> https://stat.ethz.ch/mailman/listinfo/r-devel



[Rd] legend() in a multiple figure environment
Martin Maechler