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From: papa@bacall.UUCP (Marco Papa)
Newsgroups: comp.sys.amiga
Subject: Re: RGB <-> HLS
Message-ID: <2376@bacall.UUCP>
Date: Sat, 11-Apr-87 23:06:23 EST
Article-I.D.: bacall.2376
Posted: Sat Apr 11 23:06:23 1987
Date-Received: Sun, 19-Apr-87 05:28:37 EST
References: <2848@sunybcs.UUCP> <1646@cbmvax.cbmvax.cbm.UUCP>
Organization: CS&CE Depts, U.S.C., Los Angeles, CA
Lines: 30

> In article <2848@sunybcs.UUCP> ugpete@sunybcs.UUCP (Peter Theobald) writes:
> 
> >	It's pretty strange... I found at least 5 different sources ('c' code,
> >textbooks, people, etc...) that explain RGB <-> HVS, but nowhere RGB <-> HLS!!
>
Carolyn Scheppner responds: 
>    The excellent book "Procedural Elements for Computer Graphics" by
> David F. Rogers (McGraw-Hill) contains pseudocode for RGB <-> HLS.
> 
>    You could try calling New York City information (1-212-555-1212 ?)
> to get the number of McGraw-Hill.  You may be able to order the book
> directly from them or from their massive professional book store in
> Manhattan (that's where I got mine).  
>

McGraw-Hill has a toll free number:

1-800-2-MCGRAW

-- Marco
 
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