On Mar 9, 2011, at 16:48, <elwood...@web.de> <elwood...@web.de> wrote:
> Thanks, Charles,
>
> AFAIK GraphicConverter can also export a PDF to single images (and it lets
> you choose the dpi resolution and if you want to use the crop box or the
> media box in a dialog).
>
> However,
> a) I don't have Acrobat Pro available on my MacBook
> b) I think/fear that exporting is not done that quickly (my MacBook is
> nearly 4 years old and tired)
> c) I'd have to do the OCR again which also was quite time consuming...
> d) cropping each picture would be quite a lot of work - do you know about a
> tool which could automatically crop white or black margins from images?
>
Quite frankly, I really don't see why you would even want to bother. What you
crop will typically not be any contents, so the amount of data you will save
will be small, if not negative.
> But as you mention Acrobat Pro:
> doesn't it also have a feature to delete unused parts of the pdf?
>
> (BTW: As time is short, I've found another solution for reducing file size:
> reducing dpi and using compression with OS X tools, see
> http://discussions.apple.com/thread.jspa?threadID=1292868&start=0&tstart=0)
> I'll keep a backup of the original pdfs in case I need to extract a graph in
> better resolution.)
>
> Another hint for those with simlar problems:
> I found the platform independant freeware briss
> (http://briss.sourceforge.net/) which can crop similar to Skim, but it also
> provides a merged view of all even and uneven pages to select a region where
> all pages fit in).
That's what Skim also does / can do, see the Wiki.
Christiaan
>
> kind regards
>
> Martin
>
>
>> Von: Charles Turner <vze26...@optonline.net>
>> Antworten an: For general discussion about using Skim
>> <skim-app-users@lists.sourceforge.net>
>> Datum: Wed, 09 Mar 2011 06:28:36 -0500
>> An: For general discussion about using Skim
>> <skim-app-users@lists.sourceforge.net>
>> Betreff: Re: [Skim-app-users] Crop pdf permanently to reduce file space?
>>
>> On Mar 9, 2011, at 6:03 AM, elwood...@web.de wrote:
>>
>>> So the only way to "really" crop the file would be to export the images,
>>> crop them externally, create a new pdf and redo the OCR. :-(
>>
>> Just FYI, Acrobat Pro (v.8 which came free with my scanner) will respect your
>> crops when exporting to image files. So my workflow is:
>>
>> Scan
>> Open in Acrobat and crop when necessary
>> If so:
>> Crop in Acrobat
>> Export as TIFF to a folder
>> Remake TIFFs as PDF in Acrobat
>> Import into DTPO
>> OCR
>>
>> My input files are mostly xeroxes of pretty varied print formats in a number
>> of languages and sizes, so the "scan into DTPO" feature of that application
>> really doesn't buy me much. The scans I crop are in the minority, but the
>> process couldn't take more than a minute per document.
>>
>> HTH, Charles
>>
>>
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>
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