Acrobat doesn't write that value anywhere.  Evermap's plugin may do so,
but Acrobat itself doesn't.

As for why it works in some but not others - I'd need to see the actual
PDFs in question to be able to comment.

I can say that we don't do any range checking on that value (beyond making
sure it's a valid number).

Leonard


On 3/8/13 10:11 AM, "Paul Breslaw" <p...@breslaw.co.uk> wrote:

>
>On 07/03/13 20:06, Paulo Soares wrote:
>> Here the author of the mystic 10000.
>
>Wonderful! Hello Paulo - thank you for writing - and for being one of
>the authors of such a marvelously useful library.
>
>> This value is the page height to
>> position the view at the top. As the destination page size is generally
>>not
>> known the 10000 was an arbitrary big enough value greater then the
>> destination page.
>
>Okay - so the value you chose was arbitrarily large, but otherwise has
>no significance.
>
>> Why -32768 would work better is a mystery to me.
>
>That's interesting. I wonder if anyone from Adobe is reading this,
>because they might be able to comment on it?
>
>To recap from my earlier posting:-
>
>If I generate a link to page 1 of an external PDF using iText, then in
>the Adobe reader, with a very few target files, I end up on the wrong
>page.
>
>With other readers I end up on the right page.
>
>I do not know what significant charateristics the offending target files
>have.
>
>If I export the links using the Evermap AutoBookmark plug-in for Adobe,
>delete all the links, and re-import them (using the same plug-in), then
>the problem disappears.
>
>Since the only difference between 'before' and 'after' is 10000 vs
>-32768, and this was (presumably) produced by the Adobe software, I
>guess Adobe have a reason for using -32768.
>
>
>What conditions would have to be met for iText to change the constant to
>-32768?
>
>
>Regards
>
>Paul.
>
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Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester  
Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the  
endpoint security space. For insight on selecting the right partner to 
tackle endpoint security challenges, access the full report. 
http://p.sf.net/sfu/symantec-dev2dev
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