From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: bug#26467: 25.2; [Org mode] Call dot babel from elisp generate
 invalid image
Date: Sat, 07 Jul 2018 13:20:43 +0200
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	"Sun, 15 Apr 2018 09:59:49 +0200")
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To: wang jinjian <wjj1928@gmail.com>
Cc: 26467-done@debbugs.gnu.org

Nicolas Goaziou <mail@nicolasgoaziou.fr> writes:

> I can achieve the desired effect with:
>
>     #+name: nodes
>     | From | To | Weight |
>     |------+----+--------|
>     | A    | B  |      3 |
>     | A    | C  |      2 |
>     | B    | D  |      4 |
>     | B    | E  |      5 |
>     | C    | F  |     10 |
>
>     #+begin_src elisp :file /tmp/a.png :var nodes=nodes :results file
>     (defun rowfun (x)
>       (format "%s -> %s [label=%s];" (nth 0 x) (nth 1 x) (nth 2 x)))
>     (defun dotgen (nodes)
>       (format "digraph {\nnode [shape=circle]\n%s\n}"
>               (mapconcat #'rowfun nodes "\n")))
>     (dotgen nodes)
>     #+end_src
>
> I don't see why you would need to call `org-babel-execute:dot'.
>
> Does it fix your issue?

Since the OP didn't answer, I assume this is now fixed.

I'm closing this report.