On Fri, 13 Nov 2009, Michael Friendly wrote:
> In a package I'm working on there is a vignette with a number of graphs
that
> result in huge .pdf files, so
> the .pdf for the vignette is around 17 Mb. If these graphs are converted
to
> .png, and the .tex file
> is compiled with pdflatex, the resulting .pdf is ~1 Mb.
>
> I'm reluctant to put the .Rnw file into the package as is, generating
the
> huge .pdf for the vignette.
> I first tried installing the smaller .pdf file in the package by itself (no
> .Rnw)
> together with a file inst/doc/index.html as recommended
> in 'Writing R Extensions.' However, when the package is installed,
> vignette() can't find it
>
>> vignette(package="Guerry")
> no vignettes found
>> vignette("MultiSpat")
> Warning message:
> vignette 'MultiSpat' *not* found
>
> Alternatively, is there a way to generate .png graphs from the .Rnw file so
> that those are used in building
> the .pdf for the package? AFAICS, \SweaveOpts{} offers only the choices of
> eps/pdf = {TRUE/FALSE}.
Yes, but you can call the png() device yourself within the code chunk
<<>>png(file = "fig1.png", ...)
...
dev.off()
@
and then put
\includegraphics{fig1}
manually into the LaTeX. It's certainly not as nice as Sweave's
automatic
handling of figures but will work and still keep the file self-contained.
Z
> -Michael
>
> --
> Michael Friendly Email: friendly AT yorku DOT ca Professor, Psychology
> Dept.
> York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
> 4700 Keele Street http://www.math.yorku.ca/SCS/friendly.html
> Toronto, ONT M3J 1P3 CANADA
>
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