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From: jon@oddhack.caltech.edu (Jon Leech)
Newsgroups: comp.graphics
Subject: Re: Ray tracing and caustics.
Message-ID: <3211@cit-vax.Caltech.Edu>
Date: Sun, 12-Jul-87 04:03:09 EDT
Article-I.D.: cit-vax.3211
Posted: Sun Jul 12 04:03:09 1987
Date-Received: Sun, 12-Jul-87 18:08:57 EDT
References: <494@cathy.cvedc.UUCP>
Sender: news@cit-vax.Caltech.Edu
Reply-To: jon@oddhack.Caltech.EDU (Jon Leech)
Organization: Caltech Odd Hack Committee
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In article <494@cathy.cvedc.UUCP> cmr@cvedc.UUCP (Chesley Reyburn) writes:
>>why it looked less than real. There was something wrong with a transparent
>>object in it. I had to refer to a *real* transparent object to figure out
>>It has occurred to me that I have never seen such an effect in ray-traced
>>texture map for each matte object it eventually falls on. Has anyone
>>considered doing this?
>
>Henri Matisse (among others) noticed this around 1890. This is (I beleive)
>the entire basis for 'impressionism'.

    Jim Blinn is fond of saying that everything in computer graphics
was first done before the 20th century. I guess this proves it ... ray
tracing in 1890 :-)

--
    Jon Leech (jon@csvax.caltech.edu || ...seismo!cit-vax!jon)
    Caltech Computer Science Graphics Group
    __@/

SUSHIDO - The Way of the Tuna