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I successfully compiled a tex source using tex4ebook, but none of the equations (\begin{equation}) are shown properly:

  • In Calibre Viewer, I get a blue question mark, the one for "file not found". In fact, the epub source refers to a nonexistent png.
  • On my Kindle, I see nothing.

The html file shows equations correctly in Firefox. How can I fix it?

Michael come lately
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gtatr
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  • Could you post minimal working example and exact command you use for compilation? – michal.h21 Mar 11 '15 at 17:54
  • I use simply tex4ebook mainfile.tex. The project is here http://tempsend.com/B82481ECA4 . If you see chapter 3.7.2 there are plenty of examples – gtatr Mar 11 '15 at 19:30
  • it works for me: http://tempsend.com/3EA34ED813 don't you get some error messages in the terminal output? – michal.h21 Mar 11 '15 at 20:16
  • Actually I get a lot. There are warnings about size of graphic, others about the png files of equations which are not found. Here the log: http://pastebin.com/rw0AYh66 – gtatr Mar 11 '15 at 20:34
  • you've already found the issue, dvipng command is missing – michal.h21 Mar 11 '15 at 20:41

1 Answers1

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A package is missing: sudo apt-get install dvipng solves the problem. The package dvipng was missing

gtatr
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