Defining the export height of a babel-generated image

Defining the export height of a babel-generated image

[Karl Voit]

Hi!

Some babel blocks generate image files as output. Orgmode does link
them so that exporting the corresponding heading also includes the
image.

For example:

#+BEGIN_SRC plantuml :file "foobar.svg"
(*) --> "step1"
--> "step2"
--> (*)
#+END_SRC

#+RESULTS:
[[foobar.svg]]

Is is possible to define a height attribute for the result file
which is used for LaTeX/PDF export?

So far, I tried with a header argument but failed: 
   :prologue "#+ATTR_LATEX: :height 10cm"

Do you have an idea?

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Re: Defining the export height of a babel-generated image

[Eric S Fraga]

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On Sunday, 18 Mar 2018 at 15:35, Karl Voit wrote:
> Hi!
>
> Some babel blocks generate image files as output. Orgmode does link
> them so that exporting the corresponding heading also includes the
> image.
>
> For example:
>
> #+BEGIN_SRC plantuml :file "foobar.svg"
> (*) --> "step1"
> --> "step2"
> --> (*)
> #+END_SRC
>
> #+RESULTS:
> [[foobar.svg]]
>
> Is is possible to define a height attribute for the result file
> which is used for LaTeX/PDF export?

Sure: put the desired #+attr_latex: line just before the #+results line.

-- 
Eric S Fraga via Emacs 27.0.50, Org release_9.1.7-475-g3ffc7d

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Re: Defining the export height of a babel-generated image

[Karl Voit]

* Eric S Fraga <esflists@gmail.com> wrote:
>
> On Sunday, 18 Mar 2018 at 15:35, Karl Voit wrote:
>> Hi!
>>
>> Some babel blocks generate image files as output. Orgmode does link
>> them so that exporting the corresponding heading also includes the
>> image.
>>
>> For example:
>>
>> #+BEGIN_SRC plantuml :file "foobar.svg"
>> (*) --> "step1"
>> --> "step2"
>> --> (*)
>> #+END_SRC
>>
>> #+RESULTS:
>> [[foobar.svg]]
>>
>> Is is possible to define a height attribute for the result file
>> which is used for LaTeX/PDF export?
>
> Sure: put the desired #+attr_latex: line just before the #+results line.

Hehe. Simple as that.

I thought this might get replaced on babel block execution. I was
wrong.

I now have two working solutions:


****** Solution 1: https://orgmode.org/manual/post.html#post

#+name: attr_wrap
#+begin_src sh :var data="" :var width="\\textwidth" :results output
  echo "#+ATTR_LATEX: :width $width"
  echo "$data"
#+end_src

#+BEGIN_SRC plantuml :post attr_wrap(width="1cm", data=*this*) :results drawer :file (make-temp-file "export-example-1-" nil ".png")
(*) --> "step1"
--> "step2"
--> (*)
#+END_SRC

#+RESULTS:
:RESULTS:
#+ATTR_LATEX: :width 1cm
[[file:c:/Users/KARL~1.VOI/AppData/Local/Temp/export-example-1-tXDZCj.svg]]
:END:

****** Solution 2: "put the desired #+attr_latex: line just before the #+results line."

#+BEGIN_SRC plantuml :file (make-temp-file "export-example-2-" nil ".png")
(*) --> "step1"
--> "step2"
--> (*)
#+END_SRC

#+ATTR_LATEX: :width 2cm
#+RESULTS:
[[file:c:/Users/KARL~1.VOI/AppData/Local/Temp/export-example-2-nvoWbD.svg]]



-- 
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Re: Defining the export height of a babel-generated image

[Eric S Fraga]

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On Monday, 19 Mar 2018 at 14:14, Karl Voit wrote:

[...]

> Hehe. Simple as that.

sometimes, but only sometimes... :-)

-- 
Eric S Fraga via Emacs 27.0.50, Org release_9.1.7-475-g3ffc7d

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