Re: LaTeX export figure width, when figure comes from python?

[Gary Oberbrunner <garyo@oberbrunner.com>]

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[I can never get the reply-all thing down on this list!  See below.]

On Sun, Mar 31, 2013 at 7:02 PM, John Hendy <jw.hendy@gmail.com> wrote:

> On Sun, Mar 31, 2013 at 11:03 AM, Gary Oberbrunner
> <garyo@oberbrunner.com> wrote:
> >
> > On Fri, Mar 29, 2013 at 4:53 PM, John Hendy <jw.hendy@gmail.com> wrote:
> >>
> >> On Fri, Mar 29, 2013 at 3:16 PM, Gary Oberbrunner <
> garyo@oberbrunner.com>
> >> wrote:
> >> > Now that python mode is working nicely, I'm generating lots of
> graphics.
> >> >
> >> > #+BEGIN_SRC python :session MYpython :exports results :results file
> >> >   #... bunch of matplotlib stuff that produces /tmp/myfig.pdf
> >> >   '/tmp/myfig.pdf'
> >> > #+END_SRC
> >> >
> >> > This works, and the LaTeX exporter includes /tmp/mfig.pdf:
> >> >
> >> > \includegraphics[width=.9\linewidth]{c:/tmp/myfig.pdf}
> >> >
> >> > My question is, is there any way to remove the width specifier?  If
> the
> >> > figure were coming straight from org-mode source text, I could use
> >> > #+ATTR_LaTeX (well actually maybe not, because there's no way to
> >> > *remove*
> >> > the width, but at least I could set it as desired.)  But in the
> >> > situation
> >> > above, where the filename is coming from the exporter running the code
> >> > block, there's no place for me to put the ATTR_LaTeX that works.
> >> >
> >> > Any ideas, exporter gurus?
> >> >
> >>
> >> Does this post help at all?
> >> - http://lists.gnu.org/archive/html/emacs-orgmode/2012-08/msg01225.html
> >>
> >> This would be if your compilation of that block is spitting out a
> >> #+results block. Is that the case?
> >>
> >> Also, per a recent use of that same concept, I got updated advice to
> >> use :wrap since the above wasn't working for me anymore:
> >> - http://lists.gnu.org/archive/html/emacs-orgmode/2013-03/msg01599.html
> >>
> >> So, basically if you're generating plots, you can just print the
> >> Org-mode include file syntax ([[filename.ext]]) into a results block
> >> and should also be able to pass it the #+attr_latex stuff as well.
> >> Something like:
> >>
> >> print("#+attr_latex: :width Xcm \n
> >> [[filename.ext]]")
> >
> >
> > That almost works.  This does:
> >
> > #+name: fields_chart(labels=fields[,0], vals=fields[,1])
> > #+BEGIN_SRC python :session UDpython :exports results :results raw
> >   fname=do_hbar('/tmp/fields.pdf', (4,.9), vals, labels) # this creates
> the
> > actual plot in /tmp/fields.pdf
> >   "#+ATTR_LaTeX: :width 4in \n[[%s]]"%fname
> > #+END_SRC
> >
> > Notes:
> >  * You have to use :results raw rather than :results org.  The latter
> > prepends a comma to the #+ATTR_LaTeX line, making it unusable. (Not sure
> if
> > that's a bug, or expected.)
>
> I wonder if that's similar to the question I asked as a followup to
> the link I sent you to:
> - https://lists.gnu.org/archive/html/emacs-orgmode/2013-03/msg01583.html
>
> >  * In session mode, you can't use :results output because the python
> > interpreter prompts also are output.  But returning the string as above
> > works fine.
>
> Did you try :wrap as well? I was having issues with :results org as
> well and found out that the prior recommendation to use this was
> updated to :wrap org instead...
>

I didn't try :wrap, but I did try :results wrap (which is what that post
suggested) which did nothing different as far as I could tell.


> Out of curiosity... is the "%s" syntax related to python
> (unfamiliar)... just noticed how you did that and wondered if that was
> via Org/emacs/babel or via python.
>

That's python syntax.

Glad you found something that worked!
> John
>
> >
> > But now my graphics come out the right size!  Thanks!
> >
> > --
> > Gary
>



-- 
Gary

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