Path: utzoo!attcan!utgpu!watmath!iuvax!cica!tut.cis.ohio-state.edu!rosenbl
From: rosenbl@cis.ohio-state.edu (Robert Rosenblum)
Newsgroups: comp.graphics
Subject: help with quick color map search
Message-ID: <67563@tut.cis.ohio-state.edu>
Date: 19 Oct 89 19:17:27 GMT
Sender: rosenbl@tut.cis.ohio-state.edu
Lines: 23

I'm writing an application which involves taking a given rgb value and
finding the color in the color map which is closest.  My routine
performs a linear search through the color map, comparing the
"distance" between my rgb value and each color map entry, and the
index of the closest color is returned.  However, this technique is
very slow.

Is there is a more efficient way to find the closest color in a color
map?  Any help would be greatly appreciated.


  Thanks in advance.....

      Rob Rosenblum



Rob Rosenblum                  
The Ohio State University      
Department of Computer and Information Science
2036 Neil Ave. Columbus OH USA 43210-1277
rosenbl@cis.ohio-state.edu 
  or ...!osu-cis!cis.ohio-state.edu!rosenbl