Monthly Archives: July 2012

Tech Tips: Images, InDesign, and ePub

Object Export Options…

After setting an image in InDesign, select the image with the selection tool. At the top of the screen, click Object, and then select Object Export Options… and you’ll get the following dialogue box:

object export options

In this dialogue box, you can adjust the export options of that particular image/object when exporting to epub. You can adjust the output resolution, quality, and format. Here, you can also set your images to adjust their size “Relative to Page Width” which means that the image size will adjust to the width of any device and the different orientations of that device. Additionally, you can set the output alignment and spacing.

If you have numerous images that will all have the same export options, the same settings from the Object Export Options… dialogue box are available in the epub export settings. Those settings, however, will apply to all of the images though you can choose to not override local object export settings.

Anchoring Images

When exporting to epub, InDesign “reads” your document left-to-right, top-to-bottom and arranges the text and objects in the order in which it encounters them. This can cause some objects to appear in unexpected locations. If your text is all in one thread, when exporting to epub, InDesign will put all of your text first, then all of your images and other objects will fall to the end of the text.

To prevent this, you must to anchor your images and any other objects (tables, textboxes, sidebars, etc.). All you have to do is: select your image/object, click the blue square in the top right corner of the object, and drag it until the cursor is in the location you’d like the object to appear in the epub as shown below.

anchor before

After anchored, the object will have an actual anchor where the blue box used to be.

anchor after

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Cover JPEG Requirements

Beginning in August, Apple will only accept cover jpeg files that are a minimum of 1400 pixels on the short side. Any jpeg that is less than 1400 pixels on the short side will automatically be rejected and cause the epub distribution to fail. This change only refers to the separate cover jpeg, not the front cover inside the epub.

Publishers, if you want your titles to continue distributing to the iBookstore, please have your art departments create covers to this specification.

Titles that are currently live in the iBookstore will be grandfathered in and you are not required to provide new cover files.

Also, remember that the color space must be set to RGB.

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What to Expect From ePub Conversions: Custom Conversions

Titles that are especially complex might require a Custom level conversion. Titles in this category include those with custom CSS, internal links other than in the ToC, or multi-column formatting throughout the book. Provided is an overview of what one should expect during the conversion process for complex titles.

Design: It is important to be very specific when relaying special instructions to your Fusion representative. Publishers can ask beforehand how the conversion team will capture a section of the book. If necessary, the conversion team can create a sample ePub to demonstrate how the chapters will appear once converted.

Functionality: Your Fusion representative will address functionality with you before ordering the conversion. While performing the conversion, the team may discover that a request is not possible. In this case, your Fusion representative will notify you to discuss alternatives.

Accuracy: Creating complex eBook files involves adjusting the conversion processes, testing, and re-testing to correct errors. The initial output is often less than perfect and calls for reworking to address unanticipated issues. The publisher should review the final output and notify your Fusion representative of any lingering errors. She will work with you to resolve the issue.

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