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000945_hanche@imf.unit.no_Thu Sep 15 23:28:40 1994.msg
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Received: from pyanfar.imf.unit.no by cs.umb.edu with SMTP id AA18090
(5.65c/IDA-1.4.4 for <tex-k@cs.umb.edu>); Thu, 15 Sep 1994 15:28:43 -0400
Received: by pyanfar.imf.unit.no id AA08266
(5.65c8/IDA-1.4.4 for tex-k@cs.umb.edu); Thu, 15 Sep 1994 21:28:40 +0200
Date: Thu, 15 Sep 1994 21:28:40 +0200
From: Harald Hanche-Olsen <hanche@imf.unit.no>
Message-Id: <1994-09-15.211749.hanche@pyanfar>
To: tex-k@cs.umb.edu
Cc: horne@research.nj.nec.com, janl@math.uio.no
In-Reply-To: <9409151735.AAsmaug10395@smaug.uio.no> (message from Nicolai Langfeldt on Thu, 15 Sep 1994 19:35:42 +0200)
Subject: Re: Two questions
>>>>> Nicolai Langfeldt <janl@math.uio.no> writes:
-> horne@research.nj.nec.com (Bill Horne) tastet:
(Hey, a bit of Norwegian leaked out there ^^^^^^)
>> 1. The fonts look funny when the page is zoomed out, like they are faded
>> or something. I thought something was wrong with the "density" value.
>> I tried overwriting the value with command line options, but it didn't
>> seem to work. Also I tried modifying it with the 'S' runtime
>> keystroke which also had no effect. When the page is zommed in as far
>> as it can go, the fonts look fine.
-> If you are on a color screen I think you are probably expreiencing
-> xdvi's antialiasing. This, in fact, enhances the readability. Try
-> xdvi on a b/w screen as well and compare. I'm not strong on graphics
-> theory byt I think the fading at the edges fools the eyes into seeing
-> better resolution than the screen has, thus easing reading. At least
-> it does for me.
For a really dramatic demonstration of what antialiasing does for you,
you can run the following experiment (assuming your screen has 8 or
fewer bitplanes): Use xv or some similar program to put a picture (I
used a nice shot of Jupiter with a pair of Shoemaker-Levy impact
spots :-) on the screen that uses up all the 256 or so colours available.
Leave the picture there and start xdvi. Now xdvi can't get enough
colour slots to do its antialiasing, so it must do with just black and
white. The result is just plain awful.
- Harald