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001384_owner-lightwav…mail.webcom.com_Tue Oct 24 21:11:53 1995.msg
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1995-11-07
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Date: Wed, 25 Oct 1995 00:04:57 -0400 (EDT)
From: Joe <vidjunk@yakko.cs.wmich.edu>
To: David Warner <dwarner@magik.albany.net>
Cc: lightwave@mail.webcom.com
Subject: Re: Color Match,n
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> something that will stay within the "legal" NTSC ranges...keeping the RGB
> sliders below 200 is a real good start, but you have to also be careful
> not to have more than 100% total surface values between Luminosity,
> Diffusity, Specularity, and Reflection. If you add up these 4 values and
> come up with more than 100%, then you're most likely going to have problems.
Actually the difuse component has to be calculated by adding together the
contribution of each light while taking into consideration the angle of
incidence of each light. Mark Thompson goes throught the math on his "IN
Focus" tape. I just saw a small portion of the tape in a demo sand he
was talking to this point. I plan to purchace it soon.
> There are many exceptions to this "rule", but I've found it to be a good
> idea nonetheless.
>
>
> Trying to "eyeball" your video signal will only cause you a lot of
> frustration...a very important piece of equipment for anyone working in
> video is a vectorscope/waveform monitor...this device will allow you to
> see very clearly and very quickly whether or not your colors are "safe"
> for output to video. I highly recommend the Personal V-Scope by DPS!
>
--
Joe <vidjunk@yakko.cs.wmich.edu> sent this message.
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