Stephen McAvoy <mcavoys[at]aol[dot]com> wrote:
> Screen size, 1000 pixels width fills a 10 inch wide screen gives to
> some minds, 100 ppi. 

  But I don't understand how an image file can have a PPI.
  The computer probably doesn't even know the physical size of your
monitor. How can it figure out its PPI? And even if it figured it out,
what would it change in the image file? Would the image file somehow
change with a different PPI?

-- 

                                                          - Warp

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