[Blindmath] The Nemetex Back-translator

[Steve Jacobson]

Thank you, I appreciate this information.


On Thu, 23 Sep 2010 14:14:01 -0400, Jose Tamayo wrote:

>Please note that you must start the braille file from scratch if you are
>using a BrailleNote.  Currently, there is a bug with the BrailleNote
>software that causes a major flaw in the way Grade 2 and Computer Braille
>are mixed.  If you have a document that you want to convert particular
>sections to Nemeth braille by  first converting to Computer Braille, you
>will not be able to do it.  When you do this with the BrailleNote, you
>encounter an issue where the block of braille that you convert from grade 2
>to Computer Braille is converted to all upper ase.  You then have to go in
>and make the changes manually.  

>An alternative is to work strictly in computer braille all the time.  Again,
>if you want to mix Grade 2 and Computer braille in the same file, do not use
>the block feature in the Braille note tto convert from Literary to computer
>braille; it will cause many headaches for you.

>Regards,
>Jose Tamayo you 

>-----Original Message-----
>From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On
>Behalf Of Susan Jolly
>Sent: Thursday, September 23, 2010 1:34 PM
>To: blindmath at nfbnet.org
>Subject: Re: [Blindmath] The Nemetex Back-translator

>Nemetex is designed to backtranslate Nemeth braille that has been produced 
>on a braille display in a particular manner.  Math expressions must be 
>tagged as computer braille in the manner supported by the braille display.

>Backtranslation occurs in two steps.  In the first step the display's 
>built-in backtranslator for Grade 2 braille text is used to automatically 
>backtranslate the text (i.e. untagged) portions of the braille file. This 
>translator doesn't modify the tagged math expressions.  In the second step 
>the Nemetex software backtranslates the tagged math expressions to LaTeX.

>Having the user explicitly tag math expressions makes backtranslation much 
>simpler as it can be quite difficult for an automatic process to distinguish

>Nemeth math from Nemeth text.

>SusanJ 


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