opf file in a text editor to see exactly what data it contains.
The Edit Book component also received some much - needed attention in the new release, such as better import of DOCX files as a new book with the version attribute set in
the OPF file.
All metadata generated by the BB Meta Pad should included in the
section of your OPF file.
By using the BB Meta Pad, you can insert XML directly into the Manifest Section of
your OPF file to ensure that your metadata is 100 %.
KF8 files include the same core source files as EPUB:
the OPF file and the NCX or HTML Nav doc.
opf file, use kindlegen, and send the book to Amazon and opt out of that channel, too.
Remember the spine section of
the OPF file?
the OPF file is an XML file.
However, unless you are really confident in what you're doing, I highly recommend not messing around with
the OPF file in an ebook you're preparing for publication.
The META - INF folder usually contains just one file (container.xml), [4] and its sole purpose is to tell the ereader where to find the all - important
OPF file.
If you'd like to know more about the workings of
the OPF file, I recommend going to the IDPF.org pages for the
Warning: Feel free to poke around in
the OPF file for White Robes.
Like
the OPF file, most ebook - conversion and creation software will take care of this for you — but it's good to know what's there, in case a problem should come up.
messing around with
the OPF file in an ebook you're preparing for publication.
The OPF file is the traffic cop for the ebook, telling the ereader where to find everything, and what everything is.
But if you use iTunes to add a cover to your EPUB, as described in this video by Terry White, and then upload that EPUB to iTunes Producer, that EPUB will not validate and thus will not be accepted into the iBookstore, because the cover image is not properly contained in
the OPF file.
The relative paths in the manifest section are relative to
the opf file if you want to have your HTML, CSS, and images in separate directories.
The full - path attribute specified in the rootfile element points towards
the OPF file relative to the root directory.
NCX is great for complex hierarchies, but I wish its features were simply a part of
the OPF file, leaving only one file with publication - specific metadata.
This is done in
your OPF file, and it should look like this:
Whenever you add epub: switch to a document, you must also include the properties = «switch» attribute to that HTML document's manifest item in
the OPF file.
If you are in a situation where you have to target a rendition other than the default, you can specify the path to
the OPF file in the hasState property:
I also have this error» exists in the zip file, but is not declared in
the OPF file» whereas everything is CLEARLY declared in th OPF file!
It is recommended that you utilize KindleGen on an EPUB package, not an HTML or
OPF file.
Although this file can be named anything,
the OPF file is conventionally called content.opf.
In this case,
the OPF file is in the same OEBPS directory as your content, so no path information is required here.
The OPF file is the most complex metadata in the EPUB specification.
The OPF file is an XML document, and it uses a defined set of tags to encode data (similar to HTML) specified by the IDPF.
It creates XML entries for your EPUB package that can be easily inserted into
the OPF file.
Listing 6 shows an extract from
the OPF file.
The value of the meta element's content attribute should be the ID of the book's cover image in the manifest, which is the next part of
the OPF file.
(This is easy to confuse with the reference to
the OPF file in the container.xml file, where it must be relative to the EPUB as a whole.)
The values of the href attribute should be a Uniform Resource Identifier (URI) that is relative to
the OPF file.
The container.xml file serves one purpose: to tell the ereader where to look for
the OPF file — that's the one called content.opf here.
opf file — typically named package.opf or content.opf — is an XML file that contains the structural data of the EPUB.
Among other things, we're looking for a sample
OPF file.
Most of the contents are encrypted with DRM, but some files are in plain text such as
the OPF file and the CSS file.
opf file again and click build once more.
The real fun ¡ is in
the OPF file.
In
the OPF file, it looks like this:
OPF file begins with a declaration and package tag that looks something like this: < package version ="2.0"unique - identifier ="PrimaryID"xmlns ="http://www.idpf.org/2007/opf">
There are four parts of
the OPF file: metadata, manifest, spine, and guide.
The OPF file contains a list of all the files included in the EPUB, and tells the reading device the order in which to display the XHTML files.
However, you can find out more (much more) at the International Digital Publishing Forum page on
OPF files.
Sample boilerplate
OPF files are available at the developers page provided by BB eBooks.
Not exact matches
[7] For example the
OPF «manifest» flle that tells ereaders what is in the ebook and where to find it within the ebook's internal structure; and the NCX
file in ePub2 and some ePub3
files that give ereaders the navigation / table of contents info.