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How do I know if my image resolution is too low now that the yellow triangle warning is gone?

374 Views 3 Replies Latest reply: Nov 25, 2012 1:25 PM by Old Toad RSS
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Nov 17, 2012 10:32 AM

I am creating a book in iPhoto 11 for the first time. In older versions, I would get a yellow triangle indicating my image quality was too low for that size image. Based on other threads, it looks like iPhoto no longer gives the warning. What is the best way to know if the image will print okay? Is there a workaround so I can check the quality of the image prior to printing out the book?

iPhoto '11, Mac OS X (10.7.5)
  • Old Toad Level 10 Level 10 (113,195 points)

    I noticed that there's not resolution waring also.  Create a PDF file of the book and look at the pages at full sized with Preview and determine if the photos are sharp enough for you.

     

    I ran a test with two images, one 4000 x 3000 pixels and the other 230 x 200 pixels in a 2 photo per page book page and then created a pdf of the book, Modern Lines theme.  This is a screenshot of  the page in Preview at View ➙ View Full Sized:

    iP11bookimagetest.png

     

    This screenshot is of the same photo in a different 2 photo per page layout in the same theme.  It does look more like I expected:

     

    iPhoto001.jpg

     

     

    Right click on the image and select Show in New Window from the Contextual menu.  I'm really surprised the first example of the small image looked as good as it did. I expected a very pixelated image like the second example but iPhoto upsized it rather nicely. So iPhoto can upsize a small photo to some degree but I don't recommend relying on it for such small images.   And it is a very, very, very small image.  Soif your image is reasonably large you should be OK.  But check it in the PDF file.

     

    OT

  • Old Toad Level 10 Level 10 (113,195 points)

    I don't use Aperture so can't comment.  How small are your photos?  What's the smallest pixel dimension of the photos you're using?  You may be overly concerned about nothing.

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