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Re: [O] [babel] create tikz pictures in an floating LaTeX environment


From: Eric Schulte
Subject: Re: [O] [babel] create tikz pictures in an floating LaTeX environment
Date: Fri, 07 Oct 2011 09:14:20 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Nick Dokos <address@hidden> writes:

> Torsten Wagner <address@hidden> wrote:
>
>> Hi all,
>> Hi Eric (hehehe because most likely you read it ;) )
>> 
>> I try for the first time to write an entire article in org-mode.
>> I do so, because with the tags :export: :noexport: I can easily keep
>> my personal notes and todos "hidden" and the final export will be just
>> what I want to publish.
>> Furthermore, I'm interested to do my data evaluation in python blocks
>> within the org-file itself, keeping all nicely together.
>> 
>> At the moment I try to add a tikz picture to the manuscript. I
>> followed the example at
>> http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html
>> However, I have some problems. I can generate the picture by using the
>> following code.
>> 
>> #+srcname: mypicture
>> #+begin_src latex :file fig/mypicture.pdf :packages '(("" "tikz"))
>> :border 1em :fit
>>   \begin{tikzpicture}[line width=1pt,text centered, inner sep = 2]
>>       \draw[fill=red!50] (0,0) rectangle  ++(5,1);
>>       \draw[fill=yellow!50] (1,1) rectangle  ++(1,0.25);
>>       \draw[fill=yellow!50] (3,1) rectangle  ++(1,0.25);
>>       \draw[fill=green!50] (0.75,1) rectangle  ++(1.5,-0.4);
>>       \draw[fill=green!50] (2.75,1) rectangle  ++(1.5,-0.4);
>>   \end{scope}
>>   \end{tikzpicture}
>> #+end_src
>> 
>> Now, I want to include this in a floating figure environment
>> This troubles me a bit.
>> I tried to make a second latex src block which includes the
>> environment and an \includegraphic pointing to the generated pdf file.
>> However, I always find a link of the filename in addtion. I guess this
>> is the result of the first (above) source code block. The pdf contains
>> a line similar like
>> [[file:fig/mypicture.pdf ]]
>> 
>
>
> ``:results output silent'' should suppress that I think.
>

Nick's solution should work well.  Also, (if you're exporting to LaTeX)
couldn't you just combine the tikz picture and the wrapping figure
environment into a single begin_latex block?

Best -- Eric

>
> Nick
>
>> I switched over to use the org-mode way of including a figure and
>> replaced the latex second src code block by
>> 
>> #+CAPTION:    my great picture
>> #+LABEL:      fig:my_picture
>> #+ATTR_LaTeX:
>> [[file:fig/mypicture.pdf]]
>> 
>> This worked out too and was identically to the fist approach, however,
>> there was still the result line in the output.
>> I tried to add exports: none  and volia the line was gone. However,
>> the source code block was not exported at all and hence the picture
>> not updated at all (it simply used the old generated pdf)
>> 
>> I tried to be ueber-smart and replaced the static link
>> [[file:fig/mypicture.pdf]]
>> by
>> #+call:  mypicture
>> in the hope it would be executed and result in
>> [[file:fig/mypicture.pdf]]
>> finally getting the same like with the static link. However, this did
>> not work out at all. No figure.
>> 
>> Could someone help me to sort this out. Ideally, I would like to do a
>> rather logical combination and end up with the following:
>> 
>> #+CAPTION:    my great picture
>> #+LABEL:      fig:my_picture
>> #+ATTR_LaTeX:
>> #+srcname: mypicture
>> #+begin_src latex :file fig/mypicture.pdf :packages '(("" "tikz"))
>> :border 1em :fit
>>   \begin{tikzpicture}[line width=1pt,text centered, inner sep = 2]
>>       \draw[fill=red!50] (0,0) rectangle  ++(5,1);
>>       \draw[fill=yellow!50] (1,1) rectangle  ++(1,0.25);
>>       \draw[fill=yellow!50] (3,1) rectangle  ++(1,0.25);
>>       \draw[fill=green!50] (0.75,1) rectangle  ++(1.5,-0.4);
>>       \draw[fill=green!50] (2.75,1) rectangle  ++(1.5,-0.4);
>>   \end{scope}
>>   \end{tikzpicture}
>> #+end_src
>> 
>> avoiding to call/type  the filename/link over and over again.
>> 
>> Thanks for helping
>> 
>> Torsten
>> 
>

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/



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