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* Default attributes for images in beamer export
@ 2022-05-19 17:17 edgar
  2022-05-19 18:29 ` Eric S Fraga
  0 siblings, 1 reply; 7+ messages in thread
From: edgar @ 2022-05-19 17:17 UTC (permalink / raw)
  To: emacs-orgmode

Hello,

I am trying to set the default height (or width) of all pictures for  
my Beamer  slides (ox-beamer) for a single file. How can I do it?

I am currently trying this:


#+begin_src org

#+BIND: org-latex-image-default-width 0.5\textwidth
#+property: :latex-image-default-width 0.6\regheight

* Test

** Slide                                                            :B_block:
:PROPERTIES:
:BEAMER_env: block
:END:

#+name: testing
#+caption: this figure
[[file:../some.png]]

#+begin_src emacs-lisp
   (org-version)
#+end_src

#+RESULTS:
: 9.5.2

#+begin_src emacs-lisp
   (emacs-version)
#+end_src

#+RESULTS:
: GNU Emacs 28.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.33,  
cairo version 1.17.6)
:  of 2022-04-20

#+end_src

and I get this
#+begin_src latex
% Created 2022-05-19 Thu 19:12
% Intended LaTeX compiler: pdflatex
\documentclass[presentation]{beamer}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{graphicx}
\usepackage{longtable}
\usepackage{wrapfig}
\usepackage{rotating}
\usepackage[normalem]{ulem}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{capt-of}
\usepackage{hyperref}
\usetheme{default}
\date{\today}
\title{}
\hypersetup{
  pdfauthor={},
  pdftitle={},
  pdfkeywords={},
  pdfsubject={},
  pdfcreator={Emacs 28.1 (Org mode 9.5.2)},
  pdflang={English}}
\begin{document}

\begin{frame}{Outline}
\tableofcontents
\end{frame}


\begin{frame}[label={sec:orgaf83f29},fragile]{Test}
  \begin{block}{Slide}
\begin{figure}[htbp]
\centering
\includegraphics{../some.png}
\caption{\label{fig:orga0f8614}this figure}
\end{figure}

\begin{verbatim}
(org-version)
\end{verbatim}

\begin{verbatim}
(emacs-version)
\end{verbatim}
\end{block}
\end{frame}
\end{document}
#+end_src


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^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Default attributes for images in beamer export
  2022-05-19 17:17 Default attributes for images in beamer export edgar
@ 2022-05-19 18:29 ` Eric S Fraga
  2022-05-20 19:50   ` edgar
  0 siblings, 1 reply; 7+ messages in thread
From: Eric S Fraga @ 2022-05-19 18:29 UTC (permalink / raw)
  To: edgar; +Cc: emacs-orgmode

On Thursday, 19 May 2022 at 17:17, edgar@openmail.cc wrote:
> #+BIND: org-latex-image-default-width 0.5\textwidth

Try

#+BIND: org-latex-image-default-width "0.5\\textwidth"

and make sure org-export-allow-bind-keywords is set to t.  

-- 
: Eric S Fraga, with org release_9.5.3-507-g4f0f24 in Emacs 29.0.50


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Default attributes for images in beamer export
  2022-05-19 18:29 ` Eric S Fraga
@ 2022-05-20 19:50   ` edgar
  0 siblings, 0 replies; 7+ messages in thread
From: edgar @ 2022-05-20 19:50 UTC (permalink / raw)
  To: Org Mode List

On 2022-05-19 18:29, Eric S Fraga wrote:
> On Thursday, 19 May 2022 at 17:17, wrote:
>> #+BIND: org-latex-image-default-width 0.5\textwidth
> 
> Try
> 
> #+BIND: org-latex-image-default-width "0.5\\textwidth"
> 
> and make sure org-export-allow-bind-keywords is set to t.

Oh, ok! That works. Thank you!

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^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Default attributes for images in beamer export
@ 2022-05-20 20:18 edgar
  2022-05-23  9:06 ` Eric S Fraga
  0 siblings, 1 reply; 7+ messages in thread
From: edgar @ 2022-05-20 20:18 UTC (permalink / raw)
  To: Org Mode List

On 2022-05-20 19:50, edgar@openmail.cc wrote:
> On 2022-05-19 18:29, Eric S Fraga wrote:
>> On Thursday, 19 May 2022 at 17:17, wrote:
>>> #+BIND: org-latex-image-default-width 0.5\textwidth
>>
>> Try
>>
>> #+BIND: org-latex-image-default-width "0.5\\textwidth"
>>
>> and make sure org-export-allow-bind-keywords is set to t.
>
> Oh, ok! That works. Thank you!

Actually, if I have this (The =org-latex-image-default-option= is  
applied everywhere, but =org-latex-image-default-width= is not):

#+begin_src org
* Example

#+attr_latex: :height 0.5\regheight
file:example.png

file:example.png

* Configuration                        :ARCHIVE:noexport:
#+BIND: org-latex-image-default-width "0.98\\textwidth"
#+BIND: org-latex-image-default-height "\\regheight"
#+BIND: org-latex-image-default-option "keepaspectratio"
#+end_src

#+caption: Excerpt of results when exporting with Beamer LaTeX
#+begin_latex
\begin{frame}[label={sec:org22d94b4}]{Example}
\begin{center}
\includegraphics[keepaspectratio,height=0.5\regheight]{example.png}
\end{center}

\begin{center}
\includegraphics[keepaspectratio,width=0.98\textwidth,height=\regheight]{example.png}
\end{center}
\end{frame}
#+end_latex


But I was expecting

#+caption: Excerpt of results when exporting with Beamer LaTeX
#+begin_latex
\begin{frame}[label={sec:org22d94b4}]{Example}
\begin{center}
\includegraphics[keepaspectratio,width=0.98\textwidth,height=0.5\regheight]{example.png}
\end{center}

\begin{center}
\includegraphics[keepaspectratio,width=0.98\textwidth,height=\regheight]{example.png}
\end{center}
\end{frame}
#+end_latex

Is this the expected behaviour? Thanks again :) .


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^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Default attributes for images in beamer export
  2022-05-20 20:18 edgar
@ 2022-05-23  9:06 ` Eric S Fraga
  2022-05-23 10:59   ` Timothy
  0 siblings, 1 reply; 7+ messages in thread
From: Eric S Fraga @ 2022-05-23  9:06 UTC (permalink / raw)
  To: edgar; +Cc: Org Mode List

On Friday, 20 May 2022 at 20:18, edgar@openmail.cc wrote:
> Is this the expected behaviour? Thanks again :) .

Well, looking at the code, if any of the :height or :width attributes
have been specified explicitly, the defaults for height and width are
ignored.  If you want to specify both, you will need to do so
explicitly.

But given that you also want to keep the aspect ratio, I am curious as
to why you would need/want to specify both?

-- 
: Eric S Fraga, with org release_9.5.3-508-ge268e4 in Emacs 29.0.50


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Default attributes for images in beamer export
  2022-05-23  9:06 ` Eric S Fraga
@ 2022-05-23 10:59   ` Timothy
  2022-05-24 11:10     ` edgar
  0 siblings, 1 reply; 7+ messages in thread
From: Timothy @ 2022-05-23 10:59 UTC (permalink / raw)
  To: Eric S Fraga; +Cc: edgar, emacs-orgmode

[-- Attachment #1: Type: text/plain, Size: 234 bytes --]

Hi Eric,

> But given that you also want to keep the aspect ratio, I am curious as
> to why you would need/want to specify both?

Just on this, the `keepaspectratio' option of `graphicx' could be relevant here.

All the best,
Timothy

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Default attributes for images in beamer export
  2022-05-23 10:59   ` Timothy
@ 2022-05-24 11:10     ` edgar
  0 siblings, 0 replies; 7+ messages in thread
From: edgar @ 2022-05-24 11:10 UTC (permalink / raw)
  To: Timothy; +Cc: Eric S Fraga, emacs-orgmode

On 2022-05-23 10:59, Timothy wrote:
> Hi Eric,
> 
>> But given that you also want to keep the aspect ratio, I am curious as
>> to why you would need/want to specify both?
> 
> Just on this, the `keepaspectratio' option of `graphicx' could be 
> relevant here.
> 
> All the best,
> Timothy

Thanks. Yes, I think that Eric is asking about why I have the three 
options set already: width, height and keepaspectratio.

In my experience, sometimes, my slide is too narrow (as compared to 
wide) and other times, it is too short (as compared to high). Since I 
don't want to be dealing with which one is going to work the best, I 
just set the three options to forget about them (as a default), and 
usually the smallest size will kick in (which is the safest for my 
slides). So, for example, even if I explicitly say that I want a 
specific width, it may be  that the height works better and LaTeX 
(Beamer) is lenient with me. I am not saying that it makes sense, it's 
just what I use :P .

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^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2022-05-24 12:19 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-05-19 17:17 Default attributes for images in beamer export edgar
2022-05-19 18:29 ` Eric S Fraga
2022-05-20 19:50   ` edgar
  -- strict thread matches above, loose matches on Subject: below --
2022-05-20 20:18 edgar
2022-05-23  9:06 ` Eric S Fraga
2022-05-23 10:59   ` Timothy
2022-05-24 11:10     ` edgar

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