How do I split two pages into one?

Christopher888 · 11-04-2010, 07:28 AM

Hi,

I have alot of pdfs that were scanned (legally I might add) and they are jpgs or OCR with a landscape orientation having both pages of the book on one page of the PDF, which of course makes it nearly impossible to view on my sony ereader. I was wondering if a program exists that will allow me to fix this on a book splitting the pages into two pages? Any OS will work, but linux is best. But like I said I have windows too, so any tool will do so long as its automatic. I know in GIMP/Photoshop I can do it manually, but that would take way too long.

Any help appreciated
Chris

frostschutz · 11-04-2010, 10:02 AM

If it's images, you can split them with ImageMagick easily enough. There's several ways to do this, go through the usage manual and take your pick, for example:

http://www.imagemagick.org/Usage/crop/#crop_equal

This kind of requires the split position to be always in the exact same location though (use two separate crop passes if it isn't exactly in the middle).

laborg · 11-04-2010, 10:16 AM

<self-advertisement> You could also try Briss (http://sourceforge.net/projects/briss/) to do the task. Just define two crop rectangles and you should be fine.</self-advertisement>

best regards,

Jewl · 11-20-2010, 02:39 AM

Great pleasure to help you. Because I'm happened to know that a software named PDF Merger may help you. Because this software is a good assistant for you to combine lots of PDF files into one.
hope it can help you more or less!

frabjous · 11-20-2010, 02:21 PM

Quote:

Originally Posted by Jewl

Great pleasure to help you. Because I'm happened to know that a software named PDF Merger may help you. Because this software is a good assistant for you to combine lots of PDF files into one.
hope it can help you more or less!

(1) You're more than two weeks late, (2), the original poster is trying to split pages, not combine them, (3) anyone who would pay $30 for a program to combine PDFs when there are at least a half dozen free, open source programs that would do this is a giant sucker. I suspect ulterior motives here.

11-04-2010, 07:28 AM	#1
Christopher888 Junior Member Posts: 8 Karma: 10 Join Date: Oct 2010 Device: Sony PRS600	How do I split two pages into one? Hi, I have alot of pdfs that were scanned (legally I might add) and they are jpgs or OCR with a landscape orientation having both pages of the book on one page of the PDF, which of course makes it nearly impossible to view on my sony ereader. I was wondering if a program exists that will allow me to fix this on a book splitting the pages into two pages? Any OS will work, but linux is best. But like I said I have windows too, so any tool will do so long as its automatic. I know in GIMP/Photoshop I can do it manually, but that would take way too long. Any help appreciated Chris

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11-04-2010, 10:02 AM	#2
frostschutz Linux User Posts: 2,279 Karma: 6123806 Join Date: Sep 2010 Location: Heidelberg, Germany Device: none	If it's images, you can split them with ImageMagick easily enough. There's several ways to do this, go through the usage manual and take your pick, for example: http://www.imagemagick.org/Usage/crop/#crop_equal This kind of requires the split position to be always in the exact same location though (use two separate crop passes if it isn't exactly in the middle).

11-04-2010, 10:16 AM	#3
laborg Zealot Posts: 105 Karma: 94000 Join Date: Oct 2007 Location: Vienna Device: Cybook Gen3	<self-advertisement> You could also try Briss (http://sourceforge.net/projects/briss/) to do the task. Just define two crop rectangles and you should be fine.</self-advertisement> best regards,

11-20-2010, 02:39 AM	#4
Jewl Junior Member Posts: 1 Karma: 10 Join Date: Nov 2010 Device: kindle	Great pleasure to help you. Because I'm happened to know that a software named PDF Merger may help you. Because this software is a good assistant for you to combine lots of PDF files into one. hope it can help you more or less!