Re: [O] Best diagram, image software?

[John Kitchin]

I tried this, and it worked for me. Check *Messages* for things like:
Failed to create dvi file from
/var/folders/5q/lllv2yf95hg_n6h6kjttbmdw0000gn/T/orgtex93386BIQ.tex

if you see that try manually building the tex file to see if there are
LaTeX issues.

#+BEGIN_SRC emacs-lisp
(org-babel-do-load-languages
 'org-babel-load-languages
 '((emacs-lisp . t)
   (python . t)
   (ditaa . t)
   (dot . t)
   (plantuml . t)
   (gnuplot . t)
   (sh . t)
   (org . t)
   (latex . t)))

(setq org-latex-packages-alist
      (quote (("" "color" t)
              ("" "minted" t)
              ("" "parskip" t)
              ("" "tikz" t))))

(setq org-latex-create-formula-image-program 'imagemagick)
#+END_SRC

#+RESULTS:
: imagemagick



#+begin_src latex :exports results :results output raw :file fsa.png
% Define block styles
\usetikzlibrary{shapes,arrows}
\tikzstyle{astate} = [circle, draw, text centered, font=\footnotesize,
                              fill=blue!25]
\tikzstyle{rstate} = [circle, draw, text centered, font=\footnotesize,
                              fill=red!25]

\begin{tikzpicture}[->,>=stealth', shorten >=1pt, auto, node
                                   distance=2.8cm, semithick]
\node [astate] (1) at (0,0) {1};
\node [astate] (2) at (1,0) {2};
\node [rstate] (3) at (2,0) {3};
\path (1) edge [bend left] node {b} (2)
(2) edge node {b} (3)
(2) edge [bend left] node {a} (1)
(3) edge [loop above] node {(a, b)} (3);
\end{tikzpicture}
#+end_src

#+RESULTS:
[[file:fsa.png]]

Peter Davis writes:

> Since several people recommended TikZ, I decided to take a look at it.
> It seems very powerful, but I'm unable to get any example to work. For
> example, using the example here: 
>
> http://doblogit.com/posts/2015-10-23-org-graphics.html
>
> #+begin_src latex :exports results :results output raw :file
> images/fsa.png
> % Define block styles
> \usetikzlibrary{shapes,arrows}
> \tikzstyle{astate} = [circle, draw, text centered, font=\footnotesize,
> fill=blue!25]
> \tikzstyle{rstate} = [circle, draw, text centered, font=\footnotesize,
> fill=red!25]
>
> \begin{tikzpicture}[->,>=stealth', shorten >=1pt, auto, node
> distance=2.8cm, semithick]
> \node [astate] (1) at (0,0) {1};
> \node [astate] (2) at (1,0) {2};
> \node [rstate] (3) at (2,0) {3};
> \path (1) edge [bend left] node {b} (2)
> (2) edge node {b} (3)
> (2) edge [bend left] node {a} (1)
> (3) edge [loop above] node {(a, b)} (3);
> \end{tikzpicture}
> #+end_src
>
>
> I get:
>
> org-babel-exp process latex at line 6...
> executing Latex code block...
> org-latex-compile: PDF file
> c:/Users/pdavis/AppData/Local/Temp/orgtex5448hGP.pdf wasn’t produced
>
> I've got ImageMagick installed. I don't know how to debug this.


-- 
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu