09-28-2020, 09:40 AM
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#1 |
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Junior Member
 Posts: 3
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Join Date: Sep 2020
Device: Kobo Aura Edition 2
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Calibre 5.0 annotations follow standard patterns for EPUB format?
Sorry, if I'm completely wrong. But I was searching if there is a standard way to implement annotations in EPUB format and I found this: http://idpf.org/epub/oa/
Calibre follows this pattern (or any other)? In the case of annotations for education purposes, many people will search for "future proof" solutions. Solutions that they know will enable them to carry their annotations between software along the years to come. |
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09-28-2020, 11:50 AM
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#2 |
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creator of calibre
 
Posts: 45,335
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Location: Mumbai, India
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That's a draft, not a standard. And no calibre does not follow it. If you want to see how annotations are serialized in calibre, use the export tool. The positions are encoded using EPUB CFI
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09-28-2020, 12:36 PM
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#3 |
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Junior Member
Posts: 3
Karma: 10
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Device: Kobo Aura Edition 2
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Thanks for your attention.
Is there no pattern yet? (It's so weird to me that a so important feature isn't standardized yet.) Do Calibre annotations work at any other readers? |
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09-28-2020, 12:49 PM
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#4 |
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creator of calibre
Posts: 45,335
Karma: 27182818
Join Date: Oct 2006
Location: Mumbai, India
Device: Various
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No, there is no standard, and no common pattern. And no calibre annotations dont work in any other reader.
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09-28-2020, 01:48 PM
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#5 |
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Junior Member
Posts: 3
Karma: 10
Join Date: Sep 2020
Device: Kobo Aura Edition 2
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Thanks!
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09-29-2020, 02:37 AM
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#6 |
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Weirdo
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Location: Wuppertal, Germany
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It's to be expected that no company wants their customers to leave their platform so Amazon/Kobo/Pocketbook/Tolino have no incentive to either create a standard or adhere to a draft.
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