Mercurial > hg > smallbox
diff Problems/private/scalarToRGB.m @ 51:217a33ac374e
(none)
author | idamnjanovic |
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date | Mon, 14 Mar 2011 16:52:27 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Problems/private/scalarToRGB.m Mon Mar 14 16:52:27 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