after merge PDFs lose layer settings

Question

Is here some tools to merge PDFs with layers?

Tried to merge PDFs with layers with pdftk, fpdf/fpdi, Gswin32c. In any cases output PDF was as simple PDF without layers.

Thanks.

Edit. I am looking for tool suitable for use it in PHP project (PHP classes or executables such as pdftk)

score 1 · Accepted Answer · answered Jun 13 '12 at 16:49

1

If you mean Optional Content (section 8.11 of ISO3200-1:2008): AFAIK no free one. There's an unmaintained fork of pdfTeX that has basic support for this, though.

You could try Adobe Acrobat or InDesign.

answered Jun 13 '12 at 16:49

Martin Schröder

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score 0 · Answer 2 · answered Jun 13 '12 at 08:42

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I think more information about your enviroment is needed, but if you are using .NET I've used PDFsharp, an open source library, to merge multiple pdf documents with good results.

answered Jun 13 '12 at 08:42

D.Rosado

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Thanks for your fast reply. Unfortunately PDFsharp not suitable. I am use PHP and should be able run it on linux too. – Vladimirs Jun 13 '12 at 08:54

after merge PDFs lose layer settings

2 Answers2