Mercurial > hg > smallbox
annotate util/sparco utils/scalarToRGB.m @ 106:298fa66fe344
Merge
author | Mark Plumbley <mark.plumbley@eecs.qmul.ac.uk> |
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date | Wed, 13 Apr 2011 00:12:06 +0100 |
parents | 62f20b91d870 |
children |
rev | line source |
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ivan@77 | 1 function s = scalarToRGB(x,colors) |
ivan@77 | 2 % input values are assumed to lie between 0 and 1 |
ivan@77 | 3 |
ivan@77 | 4 % Copyright 2008, Ewout van den Berg and Michael P. Friedlander |
ivan@77 | 5 % http://www.cs.ubc.ca/labs/scl/sparco |
ivan@77 | 6 % $Id: scalarToRGB.m 1040 2008-06-26 20:29:02Z ewout78 $ |
ivan@77 | 7 |
ivan@77 | 8 l = size(colors,1); |
ivan@77 | 9 m = size(x,1); |
ivan@77 | 10 n = size(x,2); |
ivan@77 | 11 s = zeros(m,n,3); |
ivan@77 | 12 |
ivan@77 | 13 for i=1:m |
ivan@77 | 14 for j=1:n |
ivan@77 | 15 idx = max(1,min(l,1+floor((l-1) * x(i,j)))); |
ivan@77 | 16 s(i,j,:) = colors(idx,:); |
ivan@77 | 17 end |
ivan@77 | 18 end |