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- From: chuck@gte.com (Chuck Hoffman)
- Newsgroups: comp.sys.mac.misc
- Subject: Re: What's the real measure of the standard screen?
- Message-ID: <chuck-120892151447@choffman.gte.com>
- Date: 12 Aug 92 19:21:37 GMT
- References: <BsuoIt.C41@usenet.ucs.indiana.edu>
- Sender: news@ceylon.gte.com
- Followup-To: comp.sys.mac.misc
- Organization: GTE Laboratories
- Lines: 36
-
- In article <BsuoIt.C41@usenet.ucs.indiana.edu>, cliu@copper.ucs.indiana.edu
- (chang hsu liu) wrote:
- >
- >
- > Could someone explain to me why the box I created with 640*480 in Illustrator
- > printed out a box that's smaller than the Mac screen? Mac screen is supposed
- > to be 640pts * 480pts, and Adobe Illustrator is supposed to be accurate, isn't
- > it?
-
- I don't know anything about the internals of Illustrator, but I do know
- about the interface to the Print Manager. The printer information
- subrecord of the print record gives you the horizontal and vertical
- resolution of the printer used with that particular print driver. This can
- be different from one driver to the next. If you want to indent 1/2 inch
- on paper, for instance, you move in by a number of pixels equal to half the
- horizontal resolution rather than just by some fixed number of pixels or
- points.
-
- Also, the screen itself may not (probably does not) display at precisely
- the size the software thinks. Distortion, especially near the edges of a
- monitor, is considered normal within limits, and is subject to fluctuations
- coming through the power supply, and fluctuations caused by magnetic fields
- nearby such as a second monitor.
-
- So, the monitor may not be displaying exactly the size you expected, and
- the software may not be reinitializing the print record with fresh info
- from the driver for that printer, or may be assuming a fixed number of
- pixels. You can usually reinitialize by reselecting the driver with
- Chooser, then using Page Setup (select a different driver, then select the
- original driver again, possibly while the application is running).
-
-
- -Chuck Hoffman
-
- I'm not sure why we're here, but I am sure that while we're here we're
- supposed to help each other.
-