>>>>> On Fri, 25 Aug 2006 11:05:48 -0700 (PDT),
>>>>> Thomas Harte (TH) wrote:
> --- Prof Brian Ripley <[EMAIL PROTECTED]> wrote:
>> savePlot is just an internal version of dev.copy, part of the support for
>> the menus on the windows() graphics device.
>>
>> It is described in `An Introduction to R' (the most basic R manual).
> "the most basic R manual" doesn't quite answer my question.
> by itself, dev.copy doesn't copy the width and height of the device whereas
savePlot
> copies whatever is displayed on the screen giving me
what-you-see-is-what-you-save
> capabilities (but only under the Windows OS).
> i can get pretty close to this in linux by writing a function to save the
> plot to a pdf device:
> <<label=first.ar.1, results=hide>>=
> # no savePlot in Linux ... so write my own function
> savePlotAsPdf<- function(pdfname, from=dev.cur()) {
> from<- from
> pdf(pdfname, width=width, height=height)
> to<- dev.cur()
> dev.set(from)
> dev.copy(which=to)
> dev.off()
> }
> # a long AR process is best viewed in a wide window ...
> # width & height are now variables
> width<- 20; height<- 5
> x11(width=width, height=height)
> sp<- make.ar.1(alpha=.5, n=800)
> plot(sp, type="l", col="blue")
> # width & height via dynamic scoping in savePlotAsPdf
> savePlotAsPdf("ar.pdf")
> @
Umm, maybe I don't get your point, but in what way does the complicated
code above do anythingdifferent from
**********************************************************
<<results=hide>>=
sp<- make.ar.1(alpha=.5, n=800)
@
<<ar,fig=true,width=20,height=5,include=false>>=
plot(sp, type="l", col="blue")
@
\begin{figure}
\includegraphics[width=14.5cm]{myprefix-ar}
\end{figure}
**********************************************************
???
Best,
--
-----------------------------------------------------------------------
Prof. Dr. Friedrich Leisch
Institut für Statistik Tel: (+49 89) 2180 3165
Ludwig-Maximilians-Universität Fax: (+49 89) 2180 5308
Ludwigstraße 33
D-80539 München http://www.stat.uni-muenchen.de/~leisch
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