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• • May 17, 2016 at 11:53 am #84960
    Clark Kenyon

    Participant

    I’ve got a client who wants to do both print and ePub versions of his book. There are over 100 color images. Since the cost of a full color print book is kind of high, we’ll be converting the images in Photoshop to grayscale for print, but keeping them in color for the ePub. How would you do this? I’d like to not have to do 2 separate layouts. I was wondering if I could have a separate layer for b/w images and another for their color counterparts, put both images in the same place on their 2 different layers, anchor each to the same place in the text. Then export one to PDF with the color layer turned off and the other to ePub with the b/w layer turned off. Or would it just be easier to convert the color version of the book to grayscale in Acrobat (although that way I wouldn’t have any control over how the individual images look)?

  • May 18, 2016 at 11:21 am #85002
    Ari Singer

    Member

    If you insist on converting the imaes to grayscale in Photoshop you can take this approach:

    Place all original color images in a folder (and name it something like ‘color images’).

    Whenever you convert an image to grayscale in Photoshop, save it to a separate folder (called ‘b&w images’). But here’s the catch: Leave the file name of the image intact! So for example, if the original image’s file name is ‘background2.jpg’ then the converted grayscale image should have the exact same file name (‘background2.jpg), but saved in the ‘b&w images’ folder.

    And here’s the cool part. When you place the images into the document, select it from the ‘color’ folder, So all the images in the document will be color. Then you can export it to epub. When when you’re ready to export to pdf do the following: In the Links panel select all the image links that you want to change to grayscale, in the panel flyout menu select ‘Relink to Folder’, and browse and select the ‘b&w images’. In a second all the images will change to the grayscale version. To switch back to the color version you do the same but now you choose the ‘color images’ folder.

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