[Rd] legend() in a multiple figure environment

[Simone Giannerini]

You can find the resulting graph here (produced under win Vista)

http://www2.stat.unibo.it/giannerini/R/try.eps

(produced under win Vista)

platform       i386-pc-mingw32
arch           i386
os             mingw32
system         i386, mingw32
status
major          2
minor          8.1
year           2008
month          12
day            22
svn rev        47281
language       R
version.string R version 2.8.1 (2008-12-22)

On Thu, Jan 8, 2009 at 3:29 PM, Simone Giannerini <sgiannerini at gmail.com> wrote:
> Now I got how to reproduce it, it has nothing to do with multiple
> figure environment but rather with figure resizing. Here it is:
>
>  curve(dnorm,col=4,from=-4,to=4);
>  legend(-4,0.3,legend="curve",lty=1,col=4)
>
> # Now expand the figure to full screen
>
> legend(-4,0.2,legend="curve",lty=1,col=4)
>
> Simone
>
> On Thu, Jan 8, 2009 at 2:39 PM, Martin Maechler
> <maechler at stat.math.ethz.ch> wrote:
>>
>> >>>>> "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 écrit :
>>    >>>
>>    >>> 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 Fédérale 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
>
>
>
> --
> ______________________________________________________
>
> 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/
> ______________________________________________________
>



-- 
______________________________________________________

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/