#6012: [with patch, needs review] allow use of pdflatex instead of latex
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Reporter: jhpalmieri | Owner: jhpalmieri
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.0
Component: misc | Keywords:
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Comment(by rbeezer):
Replying to [comment:3 jhpalmieri]:
> This isn't because of this patch, is it? I can't get these graphs to
appear using a %latex cell with or without the patch -- I can only use
%pdflatex with the patch.
It's not the patch's fault. It's dvipng failing no matter what on the dvi
created by tkz-graph. Somewhere I got the impression tkz-graph played
fast and loose with \special's or something like that, which is why I
previously thought pdflatex was *required*. But I'm not sure I understand
the exact nature of the problem here, so I shouldn't throw stones.
> Can you temporarily move dvipng out of your path and see what Sage does
then? (If it can't find dvipng, then it should use dvips and convert.)
That works for me. I don't know what the problem with dvipng is. Is it
worth trying to see (in Latex()) if dvipng gives error messages and if so,
switching to the latex -> dvi -> ps -> png conversion?
{{{have_dvipng()}}} caches its result. :-( That cost me 5 minutes. ;-)
But, yes, that works - renamed dvipng temporarily, loaded up the preamble
in one cell, used {{{%latex_debug}}} in a second cell, followed with the
Altermundus graph in the screenshot, Great-looking PNG in the notebook
results.
dvipng has a {{{--picky}}} switch which is designed for just this (I
think, \specials etc). It results in no output on warnings - I just
tested it. Guess you could then test for the presence of output (are
filenames unique across runs?) or perhaps test for newer output with the
right name. Or maybe there is something easier.
I got {{{view()}}} tested in the notebook, which was a bit of a hack to
get the right string in. Let me know how you want to proceed and I'm
ready to give this a positive review. I'll be in/out the rest of the
afternoon before a 6 PM engagement and have IRC on.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6012#comment:4>
Sage <http://sagemath.org/>
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