Re: Extract equations from a PDF file

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#1302

From: Jose Maria Lopez Hernandez
Date: Sun, 26 Sep 2004 22:39

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Alan Connor wrote:
> On 22 Sep 2004 19:29:05 -0700, Fajar Suryawan
> <fajar96te@yahoo.com> wrote:
> 
> 
>><horacio@NOSPAMum.es> wrote in message
>>news:<cis9ma$svj$1@unida.um.es>...
>>
>>
>>>Hello everybody,
>>>
>>>could somebody tell me if it is possible to extract equations
>>>from a paper in a PDF file ?
>>
>>Simple answer, you don't.  PDF is printer language. There's no
>>information on the mathematics' original LaTeX-code.  Reverse
>>engineering is nice, but not easy.
>>
>>F
> 
> 
> pstotext   produces text files from ps or pdf that are far from
>            perfect, but it may help the OP.

Would break the equations.

> 
> pdf2ps    would turn the file into ps, which is at least ascii,
>           and easier to do stuff with.

Ps it's not more useful to be edited than pdf.

The real thing is that you can't edit a pdf file.

-- 

Jose Maria Lopez Hernandez
Director Tecnico de bgSEC
jkerouac@bgsec.com
bgSEC Seguridad y Consultoria de Sistemas Informaticos
http://www.bgsec.com
ESPA�A

The only people for me are the mad ones -- the ones who are mad to live,
mad to talk, mad to be saved, desirous of everything at the same time,
the ones who never yawn or say a commonplace thing, but burn, burn, burn
like fabulous yellow Roman candles.
                 -- Jack Kerouac, "On the Road"

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<cis9ma$svj$1@unida.um.es> <e86402e1.0409221829.499f76b0@posting.google.com> <G3r4d.7553$gG4.1913@newsread1.news.pas.earthlink.net>

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Subject: Re: Extract equations from a PDF file
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