On Wed, 3 Sep 2014, Sébastien Labbé wrote:

      > sage: view(latex(graphs.PetersenGraph()), tightpage=True)

      Stops with
      ! LaTeX Error: File `preview.sty' not found.

      (Why didn't I got this error before?)

Maybe because of view(latex(p)) versus view(p) ?    ...too late now to test

No, it isn't. I removed preview.sty. latex() isn't key here: Both

view(Poset( ([1,2,3,4,5],[[1,2],[1,3],[3,4],[2,5],[4,5]])),tightpage=True)
view(latex(Poset( 
([1,2,3,4,5],[[1,2],[1,3],[3,4],[2,5],[4,5]]))),tightpage=True)

gives an exception, whereas

view(graphs.PetersenGraph(), tightpage=True)

gives right error message. But after installing preview.sty all examples works! So there is something special on 5-element poset that makes dot2tex to fail giving right error message. Time to make a ticket to trac?

--
Jori Mäntysalo

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