Re: Integration with jsMath for HTML export of latex equations (feature request)

From: Carsten Dominik <carsten.dominik@gmail.com>
To: Darlan Cavalcante Moreira <darcamo@gmail.com>
Cc: org-mode Mailing list <emacs-orgmode@gnu.org>
Subject: Re: Integration with jsMath for HTML export of latex equations (feature request)
Date: Wed, 21 Oct 2009 09:09:11 +0200	[thread overview]
Message-ID: <76A679EB-C202-4497-A80D-DA21A7C7C945@gmail.com> (raw)
In-Reply-To: <4ade9971.1708c00a.49ea.02fc@mx.google.com>

Hi Darlan,

I put up the file on

http://orgmode.org/worg/org-tutorials/org-jsmath.php

Thanks!

- Carsten

On Oct 21, 2009, at 7:16 AM, Darlan Cavalcante Moreira wrote:

>
> I was alreade doing that but it was replace by $&alpha;$ in the html
> file. However, the option #+OPTIONS: LaTeX:nil solves the problem.
>
> At last, I wrote an org file with instructions on how to use jsMath  
> with Org.
> Thanks again Carsten,
>
> Darlan
>
> <jsMath.org>
>
>
> At Tue, 20 Oct 2009 17:17:46 +0200,
> Carsten Dominik <carsten.dominik@gmail.com> wrote:
>>
>>
>> On Oct 20, 2009, at 3:56 PM, Darlan Cavalcante Moreira wrote:
>>
>>>
>>> Hi Carsten,
>>>
>>> The option "#+OPTIONS ^:nil" did the trick with underlines and hats,
>>> but Greek
>>> letter are still replaced. Since they are ignored by jsMath I get
>>> the correct
>>> equations and the only minor annoyance is that the font of the Greek
>>> letters is
>>> not as nice as if it were replace by jsMath (jsMath fonts are
>>> equivalent to
>>> latex fonts). If it is something easy to do, an option to also turn-
>>> off the
>>> replacements of Greek letters by org-mode would be nice, but don't
>>> bother if it
>>> is to much work.
>>
>> You can just use LaTeX conventions and write $\alpha$ instead of the
>> lazy \alpha.  That should do the trick.
>>
>> - Carsten
>>
>>
>>
>>>
>>> I'll write the instructions of how to use jsMath with org-mode here
>>> soon.
>>> Thanks Carsten,
>>>
>>> Darlan
>>>
>>>
>>>
>>>
>>>
>>> At Tue, 20 Oct 2009 10:53:22 +0200,
>>> Carsten Dominik <carsten.dominik@gmail.com> wrote:
>>>>
>>>> Hi Darlan,
>>>>
>>>> On Oct 16, 2009, at 6:36 PM, Darlan Cavalcante Moreira wrote:
>>>>
>>>>>
>>>>> Hello org-users,
>>>>>
>>>>> I know that it is possible to export equations as images if you  
>>>>> set
>>>>> the variable
>>>>> org-export-with-LaTeX-fragments to t, but I prefer to use jsMath
>>>>> (http://www.math.union.edu/~dpvc/jsMath/) for equation in HTML.  
>>>>> The
>>>>> problem is
>>>>> that when org-export-with-LaTeX-fragments is set to nil org-mode
>>>>> interprets
>>>>> underlines, hats and Greek letters and replace them in the  
>>>>> generated
>>>>> HTML.
>>>>
>>>> Would
>>>>
>>>> #+OPTIONS ^:nil
>>>>
>>>> already do what you want?
>>>>
>>>> If you get this working, can I ask you to write up some  
>>>> instructions
>>>> on how to use this with Org and post them here?
>>>>
>>>> Thanks.
>>>>
>>>> - Carsten
>>>>
>>>>>
>>>>> I agree that this is nice in most cases, but I need them to be  
>>>>> left
>>>>> untouched,
>>>>> since they will be later interpreted by jsMath when I'm viewing  
>>>>> the
>>>>> page in a
>>>>> browser that supports java-script. Therefore, my "feature request"
>>>>> is disabling
>>>>> this smart behavior of org-mode when latex fragments are not
>>>>> converted to
>>>>> images.
>>>>>
>>>>> I also need to add a line in the HTML header to load the jsMath
>>>>> script, but this is
>>>>> easily accomplished with the line
>>>>> #+STYLE: <SCRIPT SRC="../jsMath/easy/load.js"></SCRIPT>
>>>>> in the org-file header.
>>>>>
>>>>> Here are some advantages and disadvantages about using jsMath
>>>>> instead of images.
>>>>> Advantages:
>>>>> - It's really pretty when you have all the fonts installed and you
>>>>> can zoom
>>>>> without any loss of quality.
>>>>> - No need to generate images when exporting
>>>>> + When you see the generated HTML page the jsMath script is run
>>>>> each time you
>>>>>   reload the page. Because modern browsers are increasing more and
>>>>> more the
>>>>>   efficiency of the java-script engine this is not a problem even
>>>>> if there are
>>>>>   a lot of equations in the generated page.
>>>>> + On the other hand, creating images when exporting can take
>>>>> considerable
>>>>>   time when there are man equations.
>>>>>
>>>>> Disadvantages
>>>>> - More difficult to setup
>>>>> + you have to install jsMath for authors, since you are creating
>>>>> pages with it.
>>>>> + you have to install jsMath for users, that is, install the fonts
>>>>> that will
>>>>>   be used. If this is not done, jsMath will use images for the
>>>>> equations. You
>>>>>   won't need to generate images when exporting, since jsMath
>>>>> already has all
>>>>>   images (it just put the pieces together)
>>>>> - It is more inconvenient to send the generated HTML page to a
>>>>> friend, since
>>>>> your friend will need to install the fonts used by jsMath.
>>>>>
>>>>>
>>>>> Darlan
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Emacs-orgmode mailing list
>>>>> Remember: use `Reply All' to send replies to the list.
>>>>> Emacs-orgmode@gnu.org
>>>>> http://lists.gnu.org/mailman/listinfo/emacs-orgmode
>>>>
>>>> - Carsten
>>>>
>>>>
>>>>
>>
>> - Carsten
>>
>>
>>

- Carsten