ivan@77: function s = scalarToRGB(x,colors)
ivan@77: % input values are assumed to lie between 0 and 1
ivan@77: 
ivan@77: %   Copyright 2008, Ewout van den Berg and Michael P. Friedlander
ivan@77: %   http://www.cs.ubc.ca/labs/scl/sparco
ivan@77: %   $Id: scalarToRGB.m 1040 2008-06-26 20:29:02Z ewout78 $
ivan@77: 
ivan@77: l  = size(colors,1);
ivan@77: m  = size(x,1);
ivan@77: n  = size(x,2);
ivan@77: s  = zeros(m,n,3);
ivan@77: 
ivan@77: for i=1:m
ivan@77:   for j=1:n
ivan@77:      idx = max(1,min(l,1+floor((l-1) * x(i,j))));
ivan@77:      s(i,j,:) = colors(idx,:);
ivan@77:   end
ivan@77: end