From hb at biostat.ucsf.edu  Sun Feb 13 01:26:02 2011
From: hb at biostat.ucsf.edu (Henrik Bengtsson)
Date: Sat, 12 Feb 2011 16:26:02 -0800
Subject: [Rd] large vignette problem
In-Reply-To: <AANLkTikVr=_Pi2ft494GjTAe71WkCtcjb8p96icDvjPp@mail.gmail.com>
References: <AANLkTikVr=_Pi2ft494GjTAe71WkCtcjb8p96icDvjPp@mail.gmail.com>
Message-ID: <AANLkTi=-N_Jkcn_AhsVqKpF51zVSq4BuBoCGUKXQL0Y-@mail.gmail.com>

Never ever use JPEG for bitmap data plots. Use PNG instead.  See
attach image (origin unknown; it is *not* an xkcd comics).

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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[Rd] large vignette problem
Henrik Bengtsson