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Old 09-04-2015, 08:29 AM   #1
verydeepwater
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How to configure how iBooks counts the pages left in a chapter.
I have seen some discussion on this subject but no firm conclusions. This concerns the 'pages left in chapter' feature on iBooks. This feature works perfectly well for a number of EPUBs but not for one. In this case, instead of displaying the number of pages left within an .xhtml file - the actual extent of the chapter - it counts pages until the next heading. This is a technical book with numerous headings in each chapter. Is there a way to configure how iBooks counts the pages in a chapter? I need it to disregard the headings and treat each .xhtml file as a separate chapter.
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Old 09-04-2015, 11:47 AM   #2
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I have seen some discussion on this subject but no firm conclusions. This concerns the 'pages left in chapter' feature on iBooks. This feature works perfectly well for a number of EPUBs but not for one. In this case, instead of displaying the number of pages left within an .xhtml file - the actual extent of the chapter - it counts pages until the next heading. This is a technical book with numerous headings in each chapter. Is there a way to configure how iBooks counts the pages in a chapter? I need it to disregard the headings and treat each .xhtml file as a separate chapter.
I do not believe that is possible with iBooks. If you watch closely you will find that iBooks loads all of the files at once into the reading environment. The boundaries of files is lost. Other eBook readers only load each file as it is referenced. While it takes a little longer to initially load the eBook in iBooks the performance after it is loaded is better.

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Old 09-04-2015, 02:06 PM   #3
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Perhaps it has to do with the type of heading. Does the book use different levels? h1, h2, h3, etc.

Are the headings linked in the ToC? Is it a multi-level ToC?
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Old 09-05-2015, 02:43 PM   #4
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Perhaps it has to do with the type of heading. Does the book use different levels? h1, h2, h3, etc.

Are the headings linked in the ToC? Is it a multi-level ToC?
Sorry for delay in replying. Yes there are multi levels of heading h1 to h3. They are all linked in the TOC, which has 3 levels with 3 levels of indent.
Last edited by verydeepwater; 09-05-2015 at 02:51 PM.
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Old 09-09-2015, 07:33 PM   #5
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Sorry for delay in replying. Yes there are multi levels of heading h1 to h3. They are all linked in the TOC, which has 3 levels with 3 levels of indent.
Is there a class for the h1's that is recognizable as such? E.g., "chapter" or some other creative naming convention?

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Old 09-11-2015, 02:32 AM   #6
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It depends on the TOC.xhtml file
I have discovered through trial and error, that iBooks takes all the items listed in the TOC.xhtml file to be chapters. So the way to make iBooks accurately state the number of pages left in the chapter, is to only include chapter headings in the TOC.xhtml, and to leave out headings of smaller sections.

It seems the tagging you use, whether a class of p tag, or an h1-6 tag doesn't affect it.
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Old 09-11-2015, 03:36 AM   #7
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Well, the ToC is meant to list chapters, so hardly surprising.


Either Sigil or calibre Editor can generate a ToC based on your choice of header tags.
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Old 09-11-2015, 04:36 AM   #8
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Either Sigil or calibre Editor can generate a ToC based on your choice of header tags.
But if you include headings within chapters, the number of pages left in the chapter will not function correctly, it will just count the number of pages to the next heading listed in the to.xhtml
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Old 09-11-2015, 05:10 AM   #9
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But if you include headings within chapters, the number of pages left in the chapter will not function correctly, it will just count the number of pages to the next heading listed in the to.xhtml
As I already said, "your choice of header tags".

You have already stated you used different depths.

And the ToC generators in Sigil and calibre editor allow you to specify which header tags will become ToC entries.
In fact, calibre allows you to use XPath too, so you can go really wild.


You can auto-regenerate a ToC that only uses the h1 tag, for example.
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Old 09-11-2015, 12:51 PM   #10
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Sigil's TOC tool allows you to specify H# levels to consider for TOC automatically, thus saving removing many tick marks later

It just take a bit of effort to learn what is included in your toolboxes
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