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https://issues.apache.org/jira/browse/PDFBOX-1618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867714#comment-13867714
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Thomas Sörensen edited comment on PDFBOX-1618 at 1/10/14 12:50 PM:
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Hi
So I noticed that each splitted pdf page that was large contained a link to
another page.
So i tried removing all annotations from each page.
PDPage.setAnnotations(emptyList).
The total size went down from over 100Mb to 17Mb. The original file is 3MB.
If I then try merge the pages again none of the links work anymore of course.
Can someone give an explanation for this?
EDIT:
I added compression filter to each page stream that decreased the totalsize of
the splited files from 17MB to 9MB. page.getContents().addCompression()
was (Author: thomassorensen):
Hi
So I noticed that each splitted pdf page that was large contained a link to
another page.
So i tried removing all annotations from each page.
PDPage.setAnnotations(emptyList).
The total size went down from over 100Mb to 17Mb. The original file is 3MB.
If I then try merge the pages again none of the links work anymore of course.
Can someone give an explanation for this?
> Split PDF file to single page files, some files are inflated in size
> --------------------------------------------------------------------
>
> Key: PDFBOX-1618
> URL: https://issues.apache.org/jira/browse/PDFBOX-1618
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 1.8.1
> Environment: Windows 7, JVM 1.6.0_29
> Reporter: Tom Taylor
> Attachments: 112080-TECHNICAL MANUAL FOR GENERATOR NIR 7194 A-10LW OF
> 4038 KVA.pdf, Test_PDFs.zip, internalstructure.png
>
>
> A PDF file is split into single pages for inclusion within another document
> (pdfbox.utils.Splitter within our code but same phenomenon observed when
> splitting using command line PDFSplit tool). Som of the pages are almost as
> large as the original file which causes performance problems for our
> customers.
> Again, I have a sample pdf to attach.
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