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  1. #1
    SitePoint Wizard westmich's Avatar
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    Mar 2000
    Muskegon, MI
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    I am posting this message in reply to the first disscusion regarding scan resolution.

    Is there a difference between Dots Per Inch and Pixels Per Inch? I can't seem to find any reference to dpi in PhotoShop 5.5. Everything is ppi.
    The way photoshop treats it is that ppi is always refered to in relation with print size. My understanding is that any change to ppi will only change your print size.
    In other words your monitor resolution is already set to 640 x 480 and your image is 64 x 48 it will take up one tenth of the screen. The only variables to be changed are the image size and/or the screen resolution. Dpi and ppi will not effect it in relation to the monitor.

  2. #2
    Your Lord and Master, Foamy gold trophy Hierophant's Avatar
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    Aug 1999
    Lancaster, Ca. USA
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    Everything I have read is in relation to DPI. Photoshop might be using PPI to try and change the way things are though about. DPI would be for printers and PPI would be for monitors following their line of logic (at least as much as I know about it). Windows Machines display 96 pixels per inch and Macintoshes display 72 pixels per inch roughly. I hope that helps some.

    Wayne Luke
    Internet Media Provider


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