[Building Sakai] Sakai & MathJax

Thu Apr 14 08:08:18 PDT 2011

Thanks Nicolas! What about delivering the MathJax library itself? Is
OAE compressing the JS or attempting to optimize all the libraries in
any way to improve performance?

- Nate

On Thu, Apr 14, 2011 at 8:05 AM, N. Matthijs
<nicolaas.matthijs at caret.cam.ac.uk> wrote:
> Hi Nate,
>
> As far as I know, we aren't really experiencing any performance issues
> because of this. This makes sense to me, as I would expect the library
> to just do a javascript regex on the page content, which should be really
> fast.
>
> We are also not processing every page completely, and are leaving it up
> to individual widgets to specify which DOM elements they want to check
> for LaTeX and MathML. Currently, I think the pages widget (WYSIWYG
> editing) for user pages and pages inside of groups (currently heavily
> changing) is the one area that has it activated by default.
>
> Hope that helps,
> Nicolaas
>
>> Thanks for that note Lance! Do you know if OAE has addressed the issue
>> of performance and not loading/processing every page (or in OAE's
>> case, DOM element?) via MathJax, regardless if it has math to process
>> or not?
>>
>> - Nate
>>
>> On Thu, Apr 14, 2011 at 6:19 AM, Speelmon, Lance <lance at indiana.edu>
>> wrote:
>>> FYI - recent builds of Sakai OAE include MathJax support; see:
>>> https://confluence.sakaiproject.org/display/3AK/Math+Formula+Support
>>>
>>> L
>>>
>>> PS - Congrats on the Stack Exchange partnership announcement!
>>>
>>>
>>> On Apr 13, 2011, at 8:17 PM, Nate Angell wrote:
>>>
>>>> Hylke:
>>>>
>>>> I see that you may have dropped off this thread you sparked off on the
>>>> Sakai development list and I wanted to make sure you saw the ensuing
>>>> discussion.
>>>>
>>>> I'd love to hear more about how other technologies have incorporated
>>>> MathJax, and maybe addressed both the WYSIWYG editor question and the
>>>> load issues as Matthew outlined below.
>>>>
>>>> Guess about your location in the Netherlands, I'm copying a few folks
>>>> from the Dutch Sakai community on this email as well, in case it would
>>>> be fruitful to make connections there.
>>>>
>>>> --
>>>> Nate Angell
>>>> Sakai Product Manager
>>>> rSmart
>>>> http://www.rsmart.com
>>>> ixmati = skype
>>>> http://twitter.com/xolotl
>>>> http://xolotl.org
>>>>
>>>>
>>>>
>>>> On Wed, Apr 13, 2011 at 8:38 AM, Matthew Jones <jonespm at umich.edu>
>>>> wrote:
>>>>> Agreed, this was discussed but there were a few technical issues that
>>>>> stopped us, from what I remember:
>>>>> 1) We ideally don't want the 99%+ of the pages scanned for Latex that
>>>>> probably won't have it for the 1% that do. We were thinking of some
>>>>> way with
>>>>> the CKEditor to have a plugin where a user could enter their Latex
>>>>> math
>>>>> equations, then it would put a span with a math class around it
>>>>> (similar to
>>>>> how jsMath pre-processed), so that the pre-processor could check the
>>>>> page
>>>>> for these classes and only target them rather than scanning all
>>>>> documents. A
>>>>> plugin would also make it more obvious to the user that math was
>>>>> supported
>>>>> and give them a place to entire it.
>>>>> 2) We were unable to find a really good wysiwyg editor plugin editor
>>>>> at the
>>>>> time, forcing users to edit their math outside of the app or *know*
>>>>> Latex.
>>>>> The conversation about an editor kind of sidetracked the discussion on
>>>>> rendering.
>>>>> 3) In testing this out, or internal filter would corrupt some of the
>>>>> latex
>>>>> (by removing some of the code) and didn't allow the MathML by default.
>>>>> So
>>>>> some additional work was needed on that which we didn't have time to
>>>>> finish
>>>>> working on at the time.
>>>>> MathJax definitely looked like a great project to me and certainly
>>>>> would be
>>>>> nice for someone to revisit.
>>>>> On Wed, Apr 13, 2011 at 9:59 AM, Zhen Qian <zqian2004 at gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> Hi, Hylke:
>>>>>> Great to hear from you! The idea of integrate of Sakai with MathJax
>>>>>> is
>>>>>> definitely of great interest to Sakai community and has been
>>>>>> discussed a
>>>>>> couple of times. You can find the latest discussion on this following
>>>>>> wiki
>>>>>> page[1].
>>>>>> Last time we tried is with MathJax v1.0. I believe there is a concern
>>>>>> with
>>>>>> the library loading time. I haven't tried the lastest v1.1 yet. I am
>>>>>> glad to
>>>>>> report any new findings afterwards.
>>>>>> Thanks,
>>>>>> - Zhen
>>>>>> --------------------------------
>>>>>> Zhen Qian
>>>>>> Software Developer
>>>>>> University of Michigan
>>>>>> 734.647.6343
>>>>>> ---------------------------------
>>>>>> [1]
>>>>>> https://confluence.sakaiproject.org/display/PED/Math+Editing+Ideas+for+Sakai
>>>>>>
>>>>>>
>>>>>> On Wed, Apr 13, 2011 at 7:38 AM, Hylke Koers <hylkek at mathjax.org>
>>>>>> wrote:
>>>>>>>
>>>>>>> Hi all,
>>>>>>>
>>>>>>> My name is Hylke Koers and I work on MathJax (www.mathjax.org), a
>>>>>>> new
>>>>>>> open source web technology that displays mathematics on the web. I
>>>>>>> am
>>>>>>> reaching out to you because I believe that MathJax will be of
>>>>>>> interest to
>>>>>>> Sakai. I hope this mailing list is the appropriate venue.
>>>>>>>
>>>>>>> In a nutshell, MathJax is an open source JavaScript technology that
>>>>>>> dynamically renders mathematical expressions on a webpage, smoothly
>>>>>>> integrating it into the surrounding text on all levels of zoom and
>>>>>>> across
>>>>>>> viewing devices. MathJax is easy to use for both authors and
>>>>>>> readers: it
>>>>>>> supports LaTeX and MathML, works on all modern browsers (without
>>>>>>> plug-ins),
>>>>>>> tablets, and smartphones, and it can be used on any HTML page by
>>>>>>> including a
>>>>>>> single line of code in the HTML header linking to the public MathJax
>>>>>>> CDN.
>>>>>>> Besides math display, MathJax also lets users copy and paste math
>>>>>>> into
>>>>>>> calculation applications, and helps to make mathematics accessible
>>>>>>> to
>>>>>>> readers with print disabilities.
>>>>>>>
>>>>>>> MathJax is rapidly becoming the new standard for quality display
>>>>>>> mathematics in HTML. Initiated by Design Science, the American
>>>>>>> Mathematical
>>>>>>> Society, and the Society for Industrial and Applied Mathematics, it
>>>>>>> is
>>>>>>> already in use by leading publishers and platforms. Some places
>>>>>>> where you
>>>>>>> can see MathJax in action:
>>>>>>> - Stack Exchange:
>>>>>>> http://math.stackexchange.com/questions/22954/proving-that-xy-x-y-being-x-and-y-two-strings
>>>>>>> - OpenStudy OCW Scholar, discussion platform for MIT OpenCourseWare:
>>>>>>> http://bit.ly/hYnLBe
>>>>>>> - Connexions: http://cnx.org/content/m36168/latest/
>>>>>>>
>>>>>>> Please feel free to contact me at hylkek at mathjax.org of you would
>>>>>>> like to
>>>>>>> hear more about our project; it would be a pleasure to follow up
>>>>>>> with more
>>>>>>> details.
>>>>>>>
>>>>>>> Thanks, and best wishes,
>>>>>>>
>>>>>>> Hylke Koers
>>>>>>> _______________________________________________
>>>>>>> sakai-dev mailing list
>>>>>>> sakai-dev at collab.sakaiproject.org
>>>>>>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>>>>>>
>>>>>>> TO UNSUBSCRIBE: send email to
>>>>>>> sakai-dev-unsubscribe at collab.sakaiproject.org with a subject of
>>>>>>> "unsubscribe"
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> sakai-dev mailing list
>>>>>> sakai-dev at collab.sakaiproject.org
>>>>>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>>>>>
>>>>>> TO UNSUBSCRIBE: send email to
>>>>>> sakai-dev-unsubscribe at collab.sakaiproject.org with a subject of
>>>>>> "unsubscribe"
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> sakai-dev mailing list
>>>>> sakai-dev at collab.sakaiproject.org
>>>>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>>>>
>>>>> TO UNSUBSCRIBE: send email to
>>>>> sakai-dev-unsubscribe at collab.sakaiproject.org
>>>>> with a subject of "unsubscribe"
>>>>>
>>>> _______________________________________________
>>>> sakai-dev mailing list
>>>> sakai-dev at collab.sakaiproject.org
>>>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>>>
>>>> TO UNSUBSCRIBE: send email to
>>>> sakai-dev-unsubscribe at collab.sakaiproject.org with a subject of
>>>> "unsubscribe"
>>>
>>> _______________________________________________
>>> sakai-dev mailing list
>>> sakai-dev at collab.sakaiproject.org
>>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>>
>>> TO UNSUBSCRIBE: send email to
>>> sakai-dev-unsubscribe at collab.sakaiproject.org with a subject of
>>> "unsubscribe"
>>>
>> _______________________________________________
>> sakai-dev mailing list
>> sakai-dev at collab.sakaiproject.org
>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>
>> TO UNSUBSCRIBE: send email to
>> sakai-dev-unsubscribe at collab.sakaiproject.org with a subject of
>> "unsubscribe"
>>
>
>
>