From: Carsten Dominik <carsten.dominik@gmail.com>
To: David Maus <dmaus@ictsoc.de>
Cc: Dan Davison <davison@stats.ox.ac.uk>,
emacs org-mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: :scale option in org-format-latex-options
Date: Sun, 14 Mar 2010 14:02:43 +0100 [thread overview]
Message-ID: <72716B49-EE55-4F01-9554-1CFBD34959BA@gmail.com> (raw)
In-Reply-To: <87aaubpccg.wl%dmaus@ictsoc.de>
On Mar 14, 2010, at 8:54 AM, David Maus wrote:
> Hi Dan,
>
> Dan Davison wrote:
>> When creating png images of latex fragments in org-create-formula-
>> image,
>> the :scale option in org-format-latex-options is not currently
>> honoured
>> (it's commented out). My dvipng documentation says
>
>> -x num
>
>> Set the x magnification ratio to num/1000. Overrides the
>> magnification specified in the DVI file. Must be between 10
>> and 100000. It is recommended that you use standard magstep
>> values (1095, 1200, 1440, 1728, 2074, 2488, 2986, and so on)
>> to help reduce the total number of PK files generated. num
>> may be a real number, not an integer, for increased
>> precision.
>
>> I don't know what a magstep is, let alone a PK file, but it seems to
>> suggest something like the patch below. Is there any reason not to
>> make
>> a change like this?
>
> I see two problems: First we should find out what "x magnification"
> and "magstep" actually is and why the manual suggests using these
> "strange" standard numbers. And second: At least dvipng shipped with
> debian testing
>
> ,----
> | This is dvipng 1.12 Copyright 2002-2008 Jan-Ake Larsson
> | dvipng 1.12
> | kpathsea version 5.0.0
> | Compiled with Freetype 2.3.11
> | Using libft 2.3.11
> | Using t1lib 5.1.2
> `----
>
> does not have a -y option.
I remember removing the option precise because some (newer?)
versions of dvipng do not have these options. I believe you can use a
larger DPI to make the image larger.
- Carsten
next prev parent reply other threads:[~2010-03-14 13:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-14 1:16 :scale option in org-format-latex-options Dan Davison
2010-03-14 7:54 ` David Maus
2010-03-14 13:02 ` Carsten Dominik [this message]
2010-03-14 16:16 ` Dan Davison
2010-03-15 15:35 ` Carsten Dominik
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