On Tue, Aug 08, 2006 at 09:35:18AM -0500, Gary Krockover wrote:
> Screens don't have a DPI at all actually, - DPI is for how many pixels per
> inch the image will print at.
This really isn't true. What is true is that most applications ignore the
DPI when displaying an image. My screens at work are 96DPI (1280pixels,
13.3 inches across), at home it is reporting 87. Modern monitors actually
report their physical size to the operating system (through EDID), which can
then report to applications that care to respect the information. Many Mac
OSX and more modern OSS applications do respect that information by default.
Unfortunately, most Windows and X11 applications don't (Firefox does
sometimes). The 72 DPI thing, as mentioned earlier is just a web-designer
tradition for lowest common denominator.
--
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Computer Science is as much about computers as astronomy is about telescopes
-- Edsger Wybe Dijkstra (1930-2002)
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