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LaTeX input support for equations  XML
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Author Message
Ilija Pavlic


Joined: 08/08/2008 11:36:13
Messages: 2
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It would be most useful for mathematicians and physicists alike if there would exist a feature which would allow input in LaTeX language (the input would be automatically rendered after inputting, and editing would once again open input in LaTeX form)
Ilija Pavlic


Joined: 08/08/2008 11:36:13
Messages: 2
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Alternatively, a WYSIWYG mathematical input panel would also be fine.
Mike Korcynski

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Joined: 08/08/2008 11:36:13
Messages: 749
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Thanks for the suggestion, we will consider this for a future VUE release.

-Mike
Cody Gunton


Joined: 10/05/2008 11:51:56
Messages: 1
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I also would love latex input support.
Kristoffer Larson


Joined: 08/08/2008 11:36:13
Messages: 5
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I concur! LaTex support would be a brilliant addition.
S Singleton


Joined: 01/13/2009 20:30:39
Messages: 4
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Another vote for latex support. Perhaps a there is a java version of something like mimetex. Mimetex renders a good subset of latex markup and is "embedded" in moodle.
Mike Korcynski

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Joined: 08/08/2008 11:36:13
Messages: 749
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I don't know as much about LaTex as I'm sure some others on the team would but how about using something like one of these online LaTeX based equation editors like this:

http://www.codecogs.com/components/equationeditor/equationeditor.php

To generate a URL to the image of your equation like this?

http://www.codecogs.com/gif.latex?\bg_white%20\300dpi%20\int_{-\infty%20}^{\infty%20}e^{-x^{2}}\;dx=\sqrt{\pi%20}

And then being able to render it in VUE like this? (Note: this won't work in the current VUE release but I mocked up some features that would allow it to work in a future release if this is of interest)

http://www.screencast.com/t/7pDKfvUq

Is that a solution worth pursuing?

-Mike

This message was edited 1 time. Last update was at 02/27/2009 00:29:24

S Singleton


Joined: 01/13/2009 20:30:39
Messages: 4
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Mike,

Please don't take my slow reply as an indication of apathy (been traveling for a while)!

This is an interesting approach. I think the integration with VUE is great; "attaching" an equation is just what I was thinking. I wasn't aware of the code-dog rendering engine which uses a GET method to acquire the latex code.

My only concern is the entry method. I appears the entire latex expression is passed as a GET, which may become cumbersome or impossible, especially for complicated equations. Without knowing much about the VUE codebase, two thoughts pop into mind:

1: Is there a convenient way to pass the raw latex code to the rendering engine with a POST-like approach? A popup into which the user could past raw latex code directly or by copy/paste from an online wysiwyg translator (like that at code-dogs), is sent to the renderer (or is rendered locally) and the resulting graphic is attached to the node.

2: Would it violate design considerations to wrap a node's note in keywords that might be sent somewhere for rendering? For example, in the node notes, have <latex>\alpha \beta \gamma</latex> which is parsed out, sent to the renderer, and resulting graphic attached?

Again, I am surely speaking out of ignorance of the VUE plumbing. Sorry if I'm not clear... I like your initial mockup and this would be a straightforward way to get some latex markup into the system...something I'm glad to see in any form.

Thanks!

This message was edited 2 times. Last update was at 03/10/2009 13:38:11

Brian Maicke


Joined: 05/19/2009 16:46:25
Messages: 2
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Some sort of equation capability would make this an ideal tool for me. Not knowing a thing about the structure of either of these tools, I know that Freemind (a mind mapper that I used previously) integrated something called HotEqn, to add Latex input capability. If this (or something like it) was added to VUE, it would become a very valuable tool for my particular area of research.
Cherie


Joined: 10/28/2008 09:59:38
Messages: 5
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I know this thread was posted ages ago, but I could also really use LaTeX support in VUE too. Any type of LaTeX support would work for me -- even a gui editor like the one Mike proposed would be fine.

This message was edited 1 time. Last update was at 12/06/2009 18:56:09

Brian Maicke


Joined: 05/19/2009 16:46:25
Messages: 2
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Just thought I'd share what I've been using as a work around. I downloaded Laeqed to generate PNGs using LaTeX. With the improved image handling in the latest release, I've had great results with importing the equations into map mode. The only problem comes when I try to turn a node into a slide, the equation PNG is greatly oversized (the horizontal dimension is often 3x or more the width of the slide). You can manually resize the equation on each slide, but for presentations with a large number of equations it can get a bit tedious.
Dan Olner


Joined: 03/19/2010 06:37:23
Messages: 2
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Just been playing with Google's equation-producing abilities through their chart API. Pretty clever. E.g.

http://chart.apis.google.com/chart?cht=tx&chl=x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

You can play live at:

http://code.google.com/apis/chart/docs/chart_playground.html

Hmm... Vue won't pick up the resulting image, though, which should have perhaps been obvious to me. It does, at least, very quickly produce an image from tex that can be saved: I couldn't get Laeqed to produce anything nice, and it did it very slowly.

There are options for post data too:

http://code.google.com/apis/chart/docs/post_requests.html
Georg Paulaski


Joined: 03/23/2011 05:47:38
Messages: 5
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Latex in VUE would be great! Not only to easily equitation easily to your map! I think of the project scribus at this point (http://www.scribus.net/canvas/Scribus) they do have in their development version an implemented renderer for latex content. As you can use any installed package with it .. not only equitation but for example a music score or anything thats possible with the tons of existing packages for latex can be presented. I dont know if the scribus renderer really is an useful example at this point but i think its a possible way doing it.

It works pretty much that way. You create an latex space like you do it with a space for regular text. A editing window for this space allows you to enter your latex code and when you are ready the renderer shows the result. Through pre defined font types it should also be possible to get a matching design. Well there still is one problem with the scribus' renderer. For performance reasons it only gives you an low resolution picture of your rendered latex content, which would not be good in Vue as Vue uses vector graphics. It looks bad in preview..better in compiled pdf and even better with included pdf/eps in compiled version because beeing a real vector gaphic.

I also like the Idea by Mike Korcynski , this would be an interesting way too..of course the made picture should be saved than to your project file somehow as you might not have an internet connection all the time (during your presentation for example). Also this way always dependens on the existence of this special side (s) .

PS: VUE rocks

This message was edited 4 times. Last update was at 06/20/2011 11:46:16

Mateo Obregon


Joined: 04/22/2009 20:43:40
Messages: 5
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Another vote for Latex integration into VUE. Not just for formulas but for integrating all the great abilities that Latex offers, like generating graphics from statistical applications.

I use R (www.r-project.org) and the Sweave functionality to generate tables and plots directly within my Latex documents. I currently have to generate my tables and plots as separate files and then paste them into VUE. It would be wonderful if I could write the R code within a VUE node marked as containing Sweave code, and see the resulting table or plot immediately within VUE.

Mateo.
Miss Jennifer


Joined: 01/24/2012 01:34:19
Messages: 3
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Your discussion is very good and I like your work.


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