[Rd] large vignette problem

Henrik Bengtsson hb at biostat.ucsf.edu
Sun Feb 13 01:43:50 CET 2011

On Sat, Feb 12, 2011 at 4:26 PM, Henrik Bengtsson <hb at biostat.ucsf.edu> wrote:
> Never ever use JPEG for bitmap data plots. Use PNG instead.  See
> attach image (origin unknown; it is *not* an xkcd comics).

Oops - missed to include the following:

To generate PNGs, you can do it manually in the Sweave document, e.g.


 \caption{A caption.}

> That should solve your issues.


> /H
> On Sat, Feb 12, 2011 at 1:54 PM, robin hankin <hankin.robin at gmail.com> wrote:
>> Hello
>> I am trying to get one of my packages to be less than 5Mb in size, and
>> it is currently
>> 72Mb installed.  It is big because the single vignette includes half a
>> dozen very large PDF
>> images.  The PDF files are created as part of the Sweave process.
>> Using jpg images instead of PDFs is acceptable  in terms of picture
>> quality (although
>> not perfect), and results in a very much smaller vignette.
>> OK, so here’s my first plan and I’m not sure if it’s optimal::
>> 1.  Produce the .jpg files by hand from my own PDF files.
>> 2.  Change the .Rnw file so that it doesn’t produce the PDF files and
>> the vignette uses the .jpg files instead.
>> 3. ship the package with the .jpg files and the modified .Rnw file.
>> This is not ideal because it’s not reproducible: only *I* can create
>> the jpg files from the original .Rnw file, as the new .Rnw file does
>> not produce the PDF files.
>> Or can I somehow coerce Sweave into producing jpg files instead of PDF?
>> Can anyone advise?
>> thanks
>> Robin
>> --
>> Robin Hankin
>> Uncertainty Analyst
>> hankin.robin at gmail.com
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel

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