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Re: Which A.T. uses the R.O.?

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From: Sailesh Panchang
Date: Aug 5, 2014 12:57PM


I believe, the three methods(infer reading order / left to right top
to bottom / raw print stream) are there for users to experiment and
determine which method works best when dealing with a particular
untagged file. Perhaps has other uses too I am sure.
Regards,
Sailesh



On 8/5/14, Olaf Drümmer < <EMAIL REMOVED> > wrote:
> Hi Bevi,
>
> - tools that do the PDF reading themselves tend to read the raw page
> description in a PDF file will end up reading stuff in the z "Order" (as
> reflected in the "Order" tool in Acrobat). These tools will present content
> in the same order as it would be rendered by the reflow tool (for example
> last time I checked a year or two ago, ZoomText did this). Also, on iOS all
> tools seem to do either do the PDF reading themselves or rely on the iOS
> built in PDF engine, both present content in the raw page description order.
> If only Apple started to get its act together and make use of the tagging
> structure in PDFs…
> - tools that rely on the accessibility interfaces supported by Adobe Reader
> / Adobe Acrobat will follow the order of the tagging structure (definitely
> NVDA, but probably also JAWS). Speak aloud in Adobe Reader and Adobe
> Acrobat and also "save as accessible text" in Acrobat will present content
> in this order.
>
> Note that there are also some tools that ultimately just do OCR all the
> time, tools from Kurzweil tend to fall into that category.
>
> Braille keyboards and printers will always have to rely on some piece of
> software - it's that software that is doing the PDF reading, and it depends
> on that software which order is being followed.
>
>
> Olaf
>
>
>
> On 5 Aug 2014, at 18:46, Chagnon | PubCom < <EMAIL REMOVED> > wrote:
>
>> Doing research and need to clarify which assistive technologies use a
>> PDF's
>> reading order (not the tag reading order but the blue Z "Order" tool in
>> Acrobat or the Reflow utility).
>>
>>
>>
>> So far I've identified braille keyboards and braille printers. I believe
>> some older versions of screen readers use it, too.
>>
>>
>>
>> Are there any other A.T. for blind and visually impaired users that use
>> it?
>>
>> And are there any A.T. for users with mobility disabilities that use it?
>>
>>
>>
>> -Bevi Chagnon
>>
>> ---
>>
>> www.PubCom.com <http://www.pubcom.com/>; - Trainers, Consultants,
>> Designers,
>> Developers.
>>
>> Print, Web, Acrobat, XML, eBooks, and U.S. Federal Section 508
>> Accessibility.
>>
>> Taka a Sec. 508 Class in 2014 - www. <http://www.Pubcom.com/classes>;
>> Pubcom.com/classes
>>
>>
>>
>> >> >> >
> > > >