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Mathias17 451 posts
Feb 20, 2012
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PDF showing overprint preview

Apr 16, 2012 7:16 AM

Is there a way to output a PDF that looks like Aunt Illie's Overprint Preview?

 
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  • Currently Being Moderated
    Apr 16, 2012 11:02 AM   in reply to Mathias17

    Which version of Illustrator are you using?

     

    Also, what exactly is the purpose of your request?

     
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    Apr 16, 2012 11:27 AM   in reply to Mathias17

    That means it is rather inappropriate to tell them to turn on Overprint Preview in Acrobat or Acrobat Reader, right?

     

    If so, take a copy of the file, do a Flatten transparency and save as .pdf

     

    Sometimes you would first have to apply a midget transparency value to all objects (e. g. 99 % opacity).

     
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    Apr 16, 2012 11:50 AM   in reply to Kurt Gold

    Overprint preview is just an on-screen simulation of the artwork it is not changing any color values at all.

    If you're making color proofing prints you should have a calibrated RIP that handles the color rendering accurately, otherwise if you just want to sent a on-screen preview for customers you could make a screen capture of your overprint-preview.

     
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    Apr 16, 2012 12:17 PM   in reply to Mathias17

    Here's a file from AI saved as a PDF and opened in Acrobat. The orange rectangle is set to overprint in AI. For Acro9 and above I think that Overprint Preview is automatic. If it detects it, it will show it.

     

    Screen shot 2012-04-16 at 12.14.07 PM.png

     
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    Apr 16, 2012 12:31 PM   in reply to Mathias17

    Hmm, what aboput those without Acrobat, who only have Adobe Reader? Does Reader include this functionality?

     

     

    Yes, it's there in recent versions of Acrobat Reader.

     

    On the other hand, have you already tried the other suggestions in post 3?

     
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    Apr 16, 2012 12:44 PM   in reply to Mathias17

    It's set to Automatic by default in 9 and 10 so someone would have had to go in and change it to see something different.

     
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    May 9, 2012 5:38 PM   in reply to Mathias17

    There is a way to create a pdf proof directly from Illustrator that looks like your screen does with the Overprint Preview on (and without having to take a screenshot instead).  If you go to your color swatches and then down to "Spot Colors" and change the color definition to LAB instead, when you get out of that, your color will look like overprint on even if you do not have that option selected AND your PDF created from Illustrator will also look like that.  However, you do not want to save it with LAB colors, so undo or don't save the file that way. This is new to me as well, I was just researching some of this same stuff today and read a great article about the OP and LAB colors, etc., that led me to make this PDF proof discovery.  If you are intretested in the article to understand more... http://rwillustrator.blogspot.com/2007/02/busting-myth-achieving-consi stent-color.html

    Like I said, I discovered this today and it seems to have worked fine.

     
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    May 10, 2012 1:40 PM   in reply to isladive

    I've not tried isladive's method yet.

     

    Can anyone confirm that new insight?

     
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    May 11, 2012 11:54 AM   in reply to isladive

    Isladive,

     

    can you provide a sample .ai file including some more instructions?

     

    Your idea sounds promising. I'm not sure if it really works, though.

     
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