\starttext
$\int_{i=1}^{\infty} x^2$
\stoptext



$ mudraw -ttt test.pdf
<?xml version="1.0"?>
<document name="test.pdf">
warning: ignoring surrogate pair mapping in cmap
<page>
<block bbox="280.534 67.7741 286.392 84.595">
<line bbox="280.534 67.7741 286.392 84.595">
<span bbox="280.534 67.7741 286.392 84.595" font="LMRoman12-Regular"
size="11.9552">
<char bbox="280.534 67.7741 286.392 84.595" c="1"/>
</span>
</line>
</block>
<block bbox="75.4124 101.448 84.9435 156.849">
<line bbox="75.4124 101.448 84.9435 156.849">
<span bbox="75.4124 101.448 84.9435 156.849" font="LatinModernMath-Regular"
size="8.36861">
<char bbox="75.4124 101.448 84.9435 156.849" c="&#x221e;"/>
</span>
</line>
</block>
<block bbox="72.2341 100.779 80.1837 179.922">
<line bbox="72.2341 100.779 80.1837 179.922">
<span bbox="72.2341 100.779 80.1837 179.922" font="LatinModernMath-Regular"
size="11.9552">
<char bbox="72.2341 100.779 80.1837 179.922" c="&#x222b;"/>
</span>
</line>
</block>
<block bbox="68.8824 124.759 83.5355 180.159">
<line bbox="68.8824 124.759 83.5355 180.159">
<span bbox="68.8824 124.759 83.5355 180.159" font="LatinModernMath-Regular"
size="8.36861">
<char bbox="68.8824 124.759 70.5728 180.159" c="u"/>
<char bbox="70.5728 124.759 72.2631 180.159" c="&#xdc56;"/>
<char bbox="72.2633 124.759 78.7736 180.159" c="="/>
<char bbox="78.7741 124.759 83.5355 180.159" c="1"/>
</span>
</line>
</block>
<block bbox="87.513 100.785 99.7105 179.928">
<line bbox="87.513 100.785 99.7105 179.928">
<span bbox="87.513 100.785 94.3509 179.928" font="LatinModernMath-Regular"
size="11.9552">
<char bbox="87.513 100.785 94.3509 179.928" c="?"/>
</span>
<span bbox="94.9491 109.213 99.7105 164.614" font="LatinModernMath-Regular"
size="8.36861">
<char bbox="94.9491 109.213 99.7105 164.614" c="2"/>
</span>
</line>
</block>
</page>
</document>



On Wed, May 15, 2013 at 6:14 PM, Xan <dxpublica@telefonica.net> wrote:

>  Al 13/05/13 09:55, En/na luigi scarso ha escrit:
>
>
>
>
> On Sun, May 12, 2013 at 4:32 PM, Xan <dxpublica@telefonica.net> wrote:
>
>> Hi,
>>
>> I just want to know if there is any tool to convert a pdf (generated by
>> latex or context) to latex source or context source file. Does anyone have
>> got an experience on that?
>>
>> I'm thinking about two alternatives:
>> * libraries for reading like podofo and custom script for passing pdf
>> context (text) to context commands
>> * pass pdf to jpg, and apply http://detexify.kirelabs.org/classify.htmlfor passing to tex symbols.
>>
>> For me it's vital to pass mathematical symbols like (\int) to tex symbol
>> and not like utf-8 symbols.
>>
>> Thanks  a lot,
>> Xan.
>>
>>
>  Have you seen the mudraw program of mupdf
> http://www.mupdf.com/
> ?
>  It has a -t switch that outputs txt  and a -tt and -ttt switches that
> output xml.
>
> --
> luigi
>
> Thank you for answering and sorry for delay. I will check it, but I
> suspect that if I have
>
>  $$\int_{i=1}^{\infty} x^2$$
>
> in one latex document and it generates pdf, then mupdf -t of that document
> does not generate that formula, else "S i=1 x²".
>
>
> Thanks,
> Xan.
>



-- 
luigi