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Coloured TIFF Output - Colour Shift

Last post 10-13-2009 5:37 AM by Glenn McDowall. 3 replies.
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  • 10-05-2009 12:01 PM

    • Jayse
    • Not Ranked
    • Joined on 07-07-2006
    • Posts 2

    Coloured TIFF Output - Colour Shift

    In QuarkXPress 8 on Mac OS X 10.4.11

    The only way I can get a coloured TIFF (like a logo for instance) to output is to turn off the colour management... If I leave quark to manage the on-screen view, then the TIFF file will shift in colour when output to PDF. So for example if I have a coloured TIFF (background none for both the tiff file and container) on top of  a solid background colour, the background area of the TIFF file will appear slightly darker on output to PDF... So it appears Quark is actually colour managing the TIFF file and coverting it's colour when it presumably flattens the transparency, or whatever it does to b/w tiff files these days.

    My output is set to 'As Is' so I don't see why this should be happning, any ideas?

     This is only one of the erratic things Quark is doing to TIFF files now

     J

  • 10-12-2009 11:04 AM In reply to

    Re: Coloured TIFF Output - Colour Shift

     Is the background colour set with a name that uses PANTONE as a prefix?

    ... there was the puzzle of why the sun came out during the day, instead of at night when the light would come in useful.
    Terry Pratchet
  • 10-13-2009 3:44 AM In reply to

    • Jayse
    • Not Ranked
    • Joined on 07-07-2006
    • Posts 2

    Re: Coloured TIFF Output - Colour Shift

    Nope, in all the cases where the problem arose, the background of both the image and the container were set to 'none'... A fix we needed to do at press was to set the background of the image to the same colour to the object on which it was sitting and it worked, but this doesn't help when the TIFF is on top a teture or another image..and kind of defeates the object of a 1-bit tiff really...

     

    J

  • 10-13-2009 5:37 AM In reply to

    Re: Coloured TIFF Output - Colour Shift

    sorry, by background, I meant the object that it was sitting on. Quark always has Color Management ON now, so its important that both top and bottom objects have the same color space and profiles otherwise during flattening you are going to get this effect. This never used to happen with bitmap tiffs but I'm guessing they now get a DeviceN color space which has to be converted on the lower object to a cmyk and its screwing up. You could try 8.1 and Native transparency but this might just shift the problem downstream.
    ... there was the puzzle of why the sun came out during the day, instead of at night when the light would come in useful.
    Terry Pratchet
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