Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!amdahl!jon From: jon@amdahl.UUCP (Jonathan Leech) Newsgroups: net.graphics Subject: Re: Color Mapping Algorithms Message-ID: <3483@amdahl.UUCP> Date: Thu, 24-Jul-86 19:42:52 EDT Article-I.D.: amdahl.3483 Posted: Thu Jul 24 19:42:52 1986 Date-Received: Thu, 24-Jul-86 21:36:15 EDT References: <5405@sun.uucp> Distribution: net Organization: Amdahl Corp, Sunnyvale CA Lines: 16 In article <5405@sun.uucp>, cmcmanis@sun.uucp (Chuck McManis) writes: > I am looking for pointers to algorithms (thats '(algorithm *)' for you > C programmers) that can map n bit color images where n is the same > for each of the red, green, and blue components, to an n bit image > where 2^n specifies the number of colors available, each of which > is definable by an m bit color vector (r,g,b). In plain english > how to map an RGB image into an image producable by a palette ram > based display. Thanks, 'Color Image Quantization for Frame Buffer Display' Paul Heckbert Computer Graphics, Vol 16, #3, July 1982 pg 297. -- Jon Leech (...seismo!amdahl!jon) UTS Products / Amdahl Corporation __@/