> Re: [Skim-app-users] Crop pdf permanently to reduce file space?

> From: Christiaan Hofman <cmhofman@gm...> -    2011-03-08 16:16
> On Mar 8, 2011, at 17:04, <[email protected]> <[email protected]> wrote:
> 

> 
> There is no way to change the contents of a PDF. A PDF is a set of drawing
> instructions, which by itself have no direct knowledge of whether they're
> drawn in inside or outside the visible page space. It's not a set of pixels
> where you can simply remove some of them. (Well, the only way would be to turn
> it into a set of pixels, i.e. an image, crop those pixels, and convert back to
> PDF. However that will almost certainly increase the file size and decrease
> the quality.)
> 
> Christiaan

----

> Re: [Skim-app-users] Crop pdf permanently to reduce file space?
> From: jeff newman <bangersandmash@gm...> -    2011-03-08 16:24
> 
> 
> If you don't have any notes, etc. attached to the PDF you can use the "PDF"
> menu in the print dialogue to save as a PDF. This will print with your
> crops. The only catch is that you have to adjust the size of the paper to
> fit the size of your cropped pages.
> 
> -- 
> Jeff Newman




Hi Christiaan and Jeff,

thank you for your answers.

@Christiaan:
You're right. I forgot to mention a "small" (but important) detail:
We're talking about pdf files containing one scanned image per page and a
text layer created by OCR (DevonThink Pro Office with Abbyy OCR Engine).

So I think theoretically it should be possible to reduce file size "cut off"
something by cropping the embedded images.

But could there be a way to do that without (manually) exporting the image
to an external file, cropping there and importing it at the "same" position
in the cropbox, so that there is no offset regarding the OCR layer?

Most of those pdfs do not contain Skim notes yet.
If they do, I understand that cropping them without Skim knowing about it
creates a problem, because the notes seem to be placed with x/y coordinates
referring to the original page size.

@Jeff:
I tried that (printing to a pdf), and
yes, then I can't display the original whole pages in Skim or Preview any
more (by selecting media frame)
but no, the file size did not change at all. :-(

Kind regards

Martin



------------------------------------------------------------------------------
Colocation vs. Managed Hosting
A question and answer guide to determining the best fit
for your organization - today and in the future.
http://p.sf.net/sfu/internap-sfd2d
_______________________________________________
Skim-app-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/skim-app-users

Reply via email to