Path: utzoo!mnetor!uunet!lll-winken!lll-lcc!ames!elroy!devvax!jackm
From: jackm@devvax.JPL.NASA.GOV (Jack Morrison)
Newsgroups: comp.graphics
Subject: Re: silver color
Message-ID: <1229@devvax.JPL.NASA.GOV>
Date: 4 Feb 88 21:32:40 GMT
References: <2679@bloom-beacon.MIT.EDU> <2029@bsu-cs.UUCP> <1487@mips.mips.COM>
Reply-To: jackm@devvax.JPL.NASA.GOV (Jack Morrison)
Organization: Jet Propulsion Laboratory, Pasadena, CA.
Lines: 22

In article <1487@mips.mips.COM> hansen@mips.COM (Craig Hansen) writes:
>> Does anyone know what values of RGB to use to make a nice looking silver?
>> (as in a metallic object?)  I've tried a variety of combinations and none 

>The important feature to note is that a flat shade isn't going to look
>silver. If you add specular reflections, it will make a dramatic difference

>The color of the specular reflection, unlike the diffuse reflection is
>generally the color of the light source, not the color of the object.


But if you really want the shiny silver look (like Abel's "Sexy Robot"),
what you need to do is map reflections from a made-up environment.
Check your Siggraph proceedings - I believe it was Dr. Blinn's paper,
"Texture and Reflection Mapping" or some such. You know, the ol' teapot.




-- 
Jack C. Morrison	Jet Propulsion Laboratory
(818)354-1431		jackm@jpl-devvax.jpl.nasa.gov
"The paycheck is part government property, but the opinions are all mine."