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The standard pdf (non -scan one) should have several ocgs layer, that are text , images and vector objects etc....

The problem is, apart from the Acrobat pre-flight function can separate the pdf with different layer, are there any other tools (preferred java lib / usable on linux) that can achieve the same function?

(Separate the original pdf to text layer and images layer, and save it to two pdf) .

I have tried Itext but it seems not have the mentioned function. Thanks

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closed as off-topic by gronostaj, Tog, Mokubai, Breakthrough, Dave M Sep 25 '13 at 19:47

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions seeking product, service, or learning material recommendations are off-topic because they tend to become obsolete quickly. Instead, describe your situation and the specific problem you're trying to solve. Here are a few suggestions on how to properly ask this type of question." – gronostaj, Tog, Mokubai, Breakthrough, Dave M
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