From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Loris Bennett" <loris.bennett@fu-berlin.de>
Subject: Re: Placement of \makeatletter with \beamer@frametextheight
Date: Thu, 29 Nov 2018 08:17:24 +0100
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To: emacs-orgmode@gnu.org

Hi Eric,

Eric S Fraga <esflists@gmail.com> writes:

> On Wednesday, 28 Nov 2018 at 16:09, Loris Bennett wrote:
>> Hi,
>>
>> I want to specify the size of a graphic in an Beamer presentation
>> generated from my org file.  The following
>>
>>   #+ATTR_LATEX: :height 0.75\textheight
>>
>> works, but
>>
>>   #+ATTR_LATEX: :height 0.75\beamer@frametextheight
>>
>> I get the error
>>
>>   ! Undefined control sequence.
>>   \Gin@@eheight ->0.5\beamer
>>                              @frametextheight
>>
>> I assume I need to insert a \makeatletter at the appropriate point.
>> Where would that be?
>
> You might find it easier to create your own variable in the header of
> the LaTeX file and use that directly, as in (untested):
>
> #+latex_header: \makeatletter\let\mytextheight\beamer@frametexheight\makeatother
>
> ...
>
> #+attr_latex: :height 0.75\mytextheight

Thanks, but with that I get

  ! Undefined control sequence.
  \Gin@@eheight ->0.75\mytextheight 

However, the tex file looks OK:

  ...
  \usepackage[sfdefault]{Fira Sans}
  \makeatletter\let\mytextheight\beamer@frametexheight\makeatother
  \definecolor{mFubMainGreen}{HTML}{99CC00}
  ...
  \begin{center}
  \includegraphics[height=0.75\mytextheight]{../../common/resources.png}
  \end{center}
  ...

Any ideas what might still be going wrong?

Cheers,

Loris

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