diff Problems/private/scalarToRGB.m @ 61:42fcbcfca132

(none)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Problems/private/scalarToRGB.m	Tue Mar 15 12:21:31 2011 +0000
@@ -0,0 +1,18 @@
+function s = scalarToRGB(x,colors)
+% input values are assumed to lie between 0 and 1
+
+%   Copyright 2008, Ewout van den Berg and Michael P. Friedlander
+%   http://www.cs.ubc.ca/labs/scl/sparco
+%   $Id: scalarToRGB.m 1040 2008-06-26 20:29:02Z ewout78 $
+
+l  = size(colors,1);
+m  = size(x,1);
+n  = size(x,2);
+s  = zeros(m,n,3);
+
+for i=1:m
+  for j=1:n
+     idx = max(1,min(l,1+floor((l-1) * x(i,j))));
+     s(i,j,:) = colors(idx,:);
+  end
+end