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Re: [O] Options for HTML & PDF export

From: Christophe Rhodes
Subject: Re: [O] Options for HTML & PDF export
Date: Thu, 19 May 2011 13:28:16 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

<address@hidden> writes:

> On 5/18/11 4:19 PM, "Nick Dokos" <address@hidden> wrote:
>>What is the problem with PNG exactly? I've never had any problems
>>incorporating them into a PDF. It is a bitmap format, so it will not
>>suffer extreme changes in magnification without some ugliness of course,
>>but other than that I don't know of any problems.
> That is exactly the problem =).  It does include itself into the document,
> it just doesn't look very nice.  Since these are data-based graphics
> coming from R, their lines should be nice & crisp, but they end up looking
> pretty fuzzy.

For what it's worth, I've been experimenting with the tikzDevice R
graphics device.  I have in the preamble of my current document

#+srcname: orgrsetup
#+begin_src R :session *R* :exports none :results none
  org.device <- function(name, ext) {
    file <- sprintf("%s.%s", name, ext)
           "png"=png(file, width=480, height=384),
           "tikz"=tikz(file, width=5, height=4))
  org.raw <- function(name, ext) {
    file <- sprintf("%s.%s", name, ext)
           "png"=sprintf("[[file:%s]]", file),
           "tikz"=sprintf("#+LaTeX: \\input{%s}", file))

and then I use

#+begin_src R :session *R* :exports results :results value raw :var 
name="filename" :var ext=(csr-org-export-babel-graphics-extension)
  org.device(name, ext)
  # draw the picture here

where csr-org-export-babel-graphics-extension returns "tikz" if the
backend is latex, and png otherwise.  This (with a bit more work on the
R side) gives me scalable graphics with fonts matching the PDF
document's fonts going through LaTeX, and acceptable-quality HTML.
(Which is something I've been looking for for the last six years, so I'm
quite pleased at the moment :-)

I hope this helps to provide some ideas.



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