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  • thin LIne appears around IMage in PDF

    #1
    Hello,

    Tom here... greetings to all.
    I am having a puzzling little thing happen and wondering if anyone knows what may be causing it. I work in packaging design for a food company and am presently working on a project in which I am placing some images from photoshop into illustrator for a new package design. The food shot has been silohetted, so obviously the background is transparent with the food shot appearing to be floating. Everything is great except when I save the file as a PDF... A thin black outline appears around the image in the PDF file ON SCREEN... I have never had this happen before.... any clues as to why?... this line does NOT appear in the illustrator file or if I export as a JPeg. it is only in the PDF and ONLY on screen ( not when I print the pdf ). I need to use PDFs in the workflow with others, so having the appearance accurate is important...

    thanks for any help or insight
    Tags: None
  • #2
    Hi ttweedy and welcome to GDF!

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    Comment

    • #3
      Does the black line appear when it's printed and are you sure that the image has been clipped correctly in Photoshop?

      Comment

      • #4
        Are you sure you have Overprint Preview on?

        Comment

        • #5
          NO, it does not appear when printed.. only on screen. I have used PS quite a bit but certainly not a photoshop expert, I cannot day for sure if I clipped it correctly. I used quick select tool as well as regular eraser and background eraser to remove areas around the silo that I wanted to elminate. I kept a separate opaque ( white ) background, whch I have deselected, so that it does NOT appear. I looked in layers panel and rmoved any uneeded paths... not sure what else I shoul be doing

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          • #6
            It might be a transparency flattening issue, Acrobat Compatibility 1.4 and below flattens all transparency. Try saving as Acrobat Compatibility 1.5 or above to retain live transparencies.

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            • #7
              The problem is when I view a PDF ( not in Illustrator ). I am using overprint preview in Illustrator and the image and entire Illstrator file looks perfectly fine and normal in Illustrator. It's when I save as PDF from ILlustrator and then view the PDF outside of Illustrator that this outline appears aroudn the place image.

              Comment

              • #8
                I tride your suggestion and unfortunately it did not resolve the isse... but thanks so much for your suggestiion, I appreciate the input

                Comment

                • #9
                  What are you using to view the PDF? Is it a 3rd Party application like Apples PDF reader or something else?

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                  • #10
                    I have CS4, so I am using all adobe products, including acrobat pro for viewing and working with pdfs...

                    However, I just started from scratch with original image and suddenly do not have the problem now! I must have done something wierd when sizing, flattening, or converting to cmyk that I did not realized I did.

                    thanks to all who offered help. as I do appreciate it.

                    Good day to all!

                    Comment

                    • #11
                      That's been a "feature" of Acrobat for a long time :-) I've always seen fine lines around images onscreen, but it never prints.

                      Comment

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