From: John Kitchin <jkitchin@andrew.cmu.edu>
To: Nick Dokos <ndokos@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: help debugging latex-overlays boxes
Date: Tue, 09 Sep 2014 16:30:11 -0400 [thread overview]
Message-ID: <m2bnqo5ygc.fsf@andrew.cmu.edu> (raw)
In-Reply-To: <87ha0gg77i.fsf@alphaville.bos.redhat.com> (Nick Dokos's message of "Tue, 09 Sep 2014 11:10:57 -0400")
Nick Dokos <ndokos@gmail.com> writes:
> John Kitchin <jkitchin@andrew.cmu.edu> writes:
>
>> Nick Dokos <ndokos@gmail.com> writes:
>>
>> I have traced my problem. The issue is in the function
>> org-preview-latex-fragment. At the end of the function, where it calls
>> org-format-latex, the default-directory variable that is used in the
>> function call has a value of
>> "c:/Users/YUYUA~1/AppData/Local/Temp/ltxpng/mole-balance"
>>
>> The YUYUA~1 is causing the problem.
>>
>
> My (perhaps naive) expectation would be that "YuYu Yao" would become
> "YUYUYA~1", deleting the space, turning the string to upper case,
> keeping the first six characters and adding the "~1" suffix. Why is the
> last "Y" not there? If it *were* there, would the latex invocation
> work? I believe (quite without any evidence) that it should.
I don't think it would work. the Space is also not the issue, as it
affects some users with no spaces. This is for some reason, like a
partial dos 8.3 filename (http://en.wikipedia.org/wiki/8.3_filename). I
still do not know why it happens, but setting the
temporary-file-directory in the init.el solves the problem, e.g.:
(setq temporary-file-directory "c:/some/full/path")
>
>> I do not understand why the full path, "c:/Users/Yuyu
>> Yao/AppData/Local/Temp" is not showing up here. When I examine the
>> default-directory variable in a buffer in that directory, that is what
>> comes up. It is only inside the org function it gets chomped to what
>> looks like an old DOS format.
>>
>> Anyway, latex cannot handle that path, so no dvi is produced, and no
>> image.
>>
>> otherwise the latex file is produced, and it compiles fine with the full
>> path. Any ideas on how to fix that? Thanks,
>>
>>> John Kitchin <jkitchin@andrew.cmu.edu> writes:
>>>
>>>> Hi All,
>>>>
>>>> I am using org-mode in a course this fall with 60 students. All of them
>>>> are using org-mode from elpa. For about 10 of them, they are unable to
>>>> toggle the latex-overlays; instead of getting the equations, they get
>>>> empty gray boxes with an error that the png file was not created. Oddly
>>>> enough, they can export to PDF just fine. I have also checked that they
>>>> have LaTeX (TeXLive) installed, and it appears it is. I am able to
>>>> convert tex files to dvi, and then use dvipng to make a png image. But
>>>> for some reason, the toggle-latex-overlay function does not work for
>>>> them.
>>>>
>>>> I am at a loss to figure out what the issue is. These are Windows
>>>> laptops that were preconfigured by the department. Almost all of them
>>>> work fine, except for this small number I cannot figure out.
>>>>
>>>> Any ideas? Thanks,
>>>
>>> I would edebug-defun the function org-create-formula-image and step
>>> through it to make sure that it goes the way you want (are you sure you
>>> are using the dvipng method on these machines? maybe you are using the
>>> imagemagick method but the program has not been installed? Check the
>>> value of org-latex-create-formula-image-program).
>>>
>>> While you are stepping you can also check the variables in the function
>>> and see e.g. what the output file name is.
>>>
>>> If that goes OK, then I would edebug-defun
>>> org-create-formula-image-with-dvipng next and check the latex input file
>>> it produces. Make sure that things like minted which require
>>> --shell-escape are *not* included in that input file: it's processed by
>>> a hard-wired call to latex (without --shell-escape) , so minted will
>>> cause a failure. If that is the case, check org-latex-packages-alist and
>>> make sure that minted's snippet-flag is nil.
>>>
>
> --
> Nick
>
>
>
>
>
--
-----------------------------------
John Kitchin
Professor
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
http://kitchingroup.cheme.cmu.edu
prev parent reply other threads:[~2014-09-09 20:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-05 14:06 help debugging latex-overlays boxes John Kitchin
2014-09-05 15:10 ` Nick Dokos
2014-09-05 19:18 ` John Kitchin
2014-09-09 13:45 ` John Kitchin
2014-09-09 14:43 ` John Kitchin
2014-09-09 15:10 ` Nick Dokos
2014-09-09 20:30 ` John Kitchin [this message]
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