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From: CXT105@psuvm.psu.edu (Christopher Tate)
Newsgroups: comp.lang.postscript
Subject: Another setscreen question
Message-ID: <91106.223452CXT105@psuvm.psu.edu>
Date: 17 Apr 91 02:34:52 GMT
Organization: Penn State University
Lines: 19

Is there any difference between, say, a 106 dpi gray screen and a 100 dpi
screen?  Or a 53 dpi screen and a 55 dpi one?

Don Lancaster spoke in his column in Byte magazine last summer about the
"secret" gray map of printers, and (to me, at least) implied that there
were only so many distinct combinations of resolution and angle that the
printer can produce.  Apparently there's some way of investigating that
"secret" gray map, since Lancaster provided a diagram intended to represent
it for a LaserWriter II.

Hmmm...  it would seem this is a device-dependant question.  I'd certainly
expect different gray maps from a 300 dpi and a 1250 dpi printer!

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Christopher Tate                   |
Student-Type Person                |     Migratory lifeform with a
cxt105@psuvm.psu.edu               |      tropism for bookstores.
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