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#676 | |
Grand Sorcerer
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#677 | |
Grand Sorcerer
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Oh well. |
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#678 | |
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#679 | |
Grand Sorcerer
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![]() The problem I have with overriding margins, justification and the like with a reading app's settings (a la Moon) is that those overrides are applied like a sledgehammer where I was looking for a scalpel. It's all or nothing. Things that needed to be right aligned might not be any more; originally indented blocks of text may become indistinguishable from the rest of the text because left/right margins were overridden wholesale; scene-breaks created with CSS margin-top may disappear because paragraph spacing was homogenized with an override. Overrides make messes of things like epigraphs, songs/poems, scene-breaks and other specially formatted sections/letters/citations because they're just not granular enough. So unless they're absolutely horrible ... I just read them. And if they ARE horrible ... I fix them. Last edited by DiapDealer; 11-22-2014 at 06:25 PM. |
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#680 | |
Grand Sorcerer
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#681 | |
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#682 | |
Groupie
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Thanks! |
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#683 |
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Do a full analysis of the book, make sure it isn't using any EPUB3 features, then manually edit the OPF.
JSWolf is making it sound easier than it is, you have to actually know how ebooks are constructed. He (and I and DiapDealer) have that knowledge, but most users don't. |
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#684 | |
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Here is the OPF from one of those ePub 3 converted to ePub 2. Code:
<?xml version='1.0' encoding='utf-8'?> <package xmlns="http://www.idpf.org/2007/opf" unique-identifier="BookId" version="2.0"> <metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:opf="http://www.idpf.org/2007/opf"> <dc:identifier id="BookId" opf:scheme="UUID">urn:uuid:d639d480-af40-45e3-a267-69fac5b090ef</dc:identifier> <dc:title>Lock 0.5 - Unlocked</dc:title> <dc:creator>John Scalzi</dc:creator> <dc:language>en</dc:language> <dc:publisher>Tom Doherty Associates</dc:publisher> <dc:rights>Copyright © 2014 John Scalzi</dc:rights> <dc:date>2014-04-12</dc:date> <meta name="cover" content="my_cover_image"/> <dc:description><p>A new near-future science fiction novella by John Scalzi, one of the most popular authors in modern SF. <I>Unlocked</I> traces the medical history behind a virus that will sweep the globe and affect the majority of the world's population, setting the stage for <I>Lock In</I>, the next major novel by John Scalzi.<br><P>At the publisher's request, this title is being sold without Digital Rights Management software (DRM) applied.</P></dc:description> <meta xmlns="http://www.idpf.org/2007/opf" content="0.7.4" name="Sigil version"/> <dc:date opf:event="modification">2014-08-26</dc:date> </metadata> <manifest> <item href="9781466871793_epub_ncx_r1.ncx" id="ncx" media-type="application/x-dtbncx+xml"/> <item href="OEBPS/cvi.xhtml" id="cvi" media-type="application/xhtml+xml"/> <item href="OEBPS/tp.xhtml" id="tp" media-type="application/xhtml+xml"/> <item href="OEBPS/ded.xhtml" id="ded" media-type="application/xhtml+xml"/> <item href="OEBPS/int.xhtml" id="int" media-type="application/xhtml+xml"/> <item href="OEBPS/p01.xhtml" id="p01" media-type="application/xhtml+xml"/> <item href="OEBPS/p02.xhtml" id="p02" media-type="application/xhtml+xml"/> <item href="OEBPS/p03.xhtml" id="p03" media-type="application/xhtml+xml"/> <item href="OEBPS/p04.xhtml" id="p04" media-type="application/xhtml+xml"/> <item href="OEBPS/p05.xhtml" id="p05" media-type="application/xhtml+xml"/> <item href="OEBPS/p06.xhtml" id="p06" media-type="application/xhtml+xml"/> <item href="OEBPS/oth.xhtml" id="oth" media-type="application/xhtml+xml"/> <item href="OEBPS/cop.xhtml" id="cop" media-type="application/xhtml+xml"/> <item href="OEBPS/style.css" id="css" media-type="text/css"/> <item href="OEBPS/images/96-1.jpg" id="img96-1.jpg" media-type="image/jpeg"/> <item href="OEBPS/images/title_page.jpg" id="imgfpage" media-type="image/jpeg"/> <item href="OEBPS/images/cover.jpg" id="my_cover_image" media-type="image/jpeg"/> <item href="OEBPS/fonts/CharisSILB.ttf" id="font1" media-type="application/x-font-ttf"/> <item href="OEBPS/fonts/CharisSILI.ttf" id="font3" media-type="application/x-font-ttf"/> <item href="OEBPS/fonts/CharisSILR.ttf" id="font4" media-type="application/x-font-ttf"/> </manifest> <spine toc="ncx"> <itemref idref="cvi" linear="yes"/> <itemref idref="tp"/> <itemref idref="ded"/> <itemref idref="int"/> <itemref idref="p01"/> <itemref idref="p02"/> <itemref idref="p03"/> <itemref idref="p04"/> <itemref idref="p05"/> <itemref idref="p06"/> <itemref idref="oth"/> <itemref idref="cop"/> </spine> </package> Code:
<package xmlns="http://www.idpf.org/2007/opf" prefix="ibooks: http://vocabulary.itunes.apple.com/rdf/ibooks/vocabulary-extensions-1.0/" unique-identifier="pub-id" version="3.0"> <metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:opf="http://www.idpf.org/2007/opf"> <dc:title id="t1" xml:lang="en">Unlocked</dc:title> <meta property="title-type" refines="#t1">main</meta> <meta property="display-seq" refines="#t1">1</meta> <dc:identifier id="pub-id">9781466871793</dc:identifier> <meta id="isbn" property="dcterms:identifer">urn:isbn:9781466871793</meta> <dc:creator id="auth1">John Scalzi</dc:creator> <meta property="role" refines="#auth1" scheme="marc:relators">aut</meta> <meta property="display-seq" refines="#auth1">1</meta> <meta property="file-as" refines="#auth1">Scalzi, John</meta> <dc:language>en</dc:language> <meta property="dcterms:language">en</meta> <dc:publisher>Tom Doherty Associates</dc:publisher> <meta property="dcterms:publisher">Tor</meta> <dc:rights>Copyright © 2014 John Scalzi</dc:rights> <dc:date>2014-04-12</dc:date> <meta property="dcterms:modified">2014-04-12T16:00:00Z</meta> <meta property="ibooks:version">2.0.0</meta> <meta content="my_cover_image" name="cover"/> <description xmlns="http://purl.org/dc/elements/1.1/"><p>A new near-future science fiction novella by John Scalzi, one of the most popular authors in modern SF. <I>Unlocked</I> traces the medical history behind a virus that will sweep the globe and affect the majority of the world's population, setting the stage for <I>Lock In</I>, the next major novel by John Scalzi.<br><P>At the publisher's request, this title is being sold without Digital Rights Management software (DRM) applied.</P></description> </metadata> <manifest> <item href="nav.xhtml" id="nav" media-type="application/xhtml+xml" properties="nav"/> <item href="9781466871793_epub_ncx_r1.ncx" id="ncx" media-type="application/x-dtbncx+xml"/> <item href="OEBPS/cvi.xhtml" id="cvi" media-type="application/xhtml+xml"/> <item href="OEBPS/tp.xhtml" id="tp" media-type="application/xhtml+xml"/> <item href="OEBPS/ded.xhtml" id="ded" media-type="application/xhtml+xml"/> <item href="OEBPS/cop_not.xhtml" id="cop_not" media-type="application/xhtml+xml"/> <item href="OEBPS/toc.xhtml" id="toc" media-type="application/xhtml+xml"/> <item href="OEBPS/int.xhtml" id="int" media-type="application/xhtml+xml"/> <item href="OEBPS/p01.xhtml" id="p01" media-type="application/xhtml+xml"/> <item href="OEBPS/p02.xhtml" id="p02" media-type="application/xhtml+xml"/> <item href="OEBPS/p03.xhtml" id="p03" media-type="application/xhtml+xml"/> <item href="OEBPS/p04.xhtml" id="p04" media-type="application/xhtml+xml"/> <item href="OEBPS/p05.xhtml" id="p05" media-type="application/xhtml+xml"/> <item href="OEBPS/p06.xhtml" id="p06" media-type="application/xhtml+xml"/> <item href="OEBPS/teas.xhtml" id="teas" media-type="application/xhtml+xml"/> <item href="OEBPS/exc.xhtml" id="exc" media-type="application/xhtml+xml"/> <item href="OEBPS/oth.xhtml" id="oth" media-type="application/xhtml+xml"/> <item href="OEBPS/tor-ad.xhtml" id="tor-ad" media-type="application/xhtml+xml"/> <item href="OEBPS/cop.xhtml" id="cop" media-type="application/xhtml+xml"/> <item href="OEBPS/style.css" id="css" media-type="text/css"/> <item href="OEBPS/images/96-1.jpg" id="img96-1.jpg" media-type="image/jpeg"/> <item href="OEBPS/images/com.jpg" id="imgcom.jpg" media-type="image/jpeg"/> <item href="OEBPS/images/title_page.jpg" id="imgfpage" media-type="image/jpeg"/> <item href="OEBPS/images/Tordotcom_ad.jpg" id="imgfad" media-type="image/jpeg"/> <item href="OEBPS/images/cover.jpg" id="my_cover_image" media-type="image/jpeg"/> <item href="OEBPS/fonts/CharisSILB.ttf" id="font1" media-type="application/x-font-ttf"/> <item href="OEBPS/fonts/CharisSILBI.ttf" id="font2" media-type="application/x-font-ttf"/> <item href="OEBPS/fonts/CharisSILI.ttf" id="font3" media-type="application/x-font-ttf"/> <item href="OEBPS/fonts/CharisSILR.ttf" id="font4" media-type="application/x-font-ttf"/> </manifest> <spine toc="ncx"> <itemref idref="cvi" linear="yes"/> <itemref idref="tp"/> <itemref idref="ded"/> <itemref idref="cop_not"/> <itemref idref="toc"/> <itemref idref="int"/> <itemref idref="p01"/> <itemref idref="p02"/> <itemref idref="p03"/> <itemref idref="p04"/> <itemref idref="p05"/> <itemref idref="p06"/> <itemref idref="teas"/> <itemref idref="exc"/> <itemref idref="oth"/> <itemref idref="tor-ad"/> <itemref idref="cop"/> </spine> </package> Last edited by JSWolf; 11-24-2014 at 02:37 PM. |
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#685 | |
Grand Sorcerer
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#686 |
Ex-Helpdesk Junkie
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I will grant that that is usually a safe assumption. Not a guarantee, though. And it is worth noting that a certain amount of technical knowledge is required to convert them -- unless someone has come out with an automated EPUB-3-to-2 converter without me realizing?
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#687 | |
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#688 |
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#689 |
Groupie
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Let me see if I'm understanding this correctly:
If you manually change the opf per JSWolf's example above, the book converts from 3.0 to 2.0 -- and I assume if the book contained 3.0 features you lose them and the book could go wonky. However, if the book didn't have any 3.0 features to start with, you're good to go? Alternatively, a Calibre EPUB>EPUB conversion will transform 3.0 to 2.0? (I like learning this stuff and I'm finding this discussion really interesting. Thanks!) |
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#690 | |
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Take the two OPF I posted and do a diff compare of both and you'll see what needs to be done to convert the ePub 3 to an ePub 2. I did also delete the NAV ToC and the internal ToC as they are both not needed (redundant) since we already have the NCX ToC. Yes, Calibre will take the ePub 3 and convert it to an ePub 2. Last edited by JSWolf; 11-24-2014 at 05:17 PM. |
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