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art_icehotmap.m
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art_icehotmap.m
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function ymap = art_icehotmap(i)
% Make a 64 element colormap- hot colors > 32, cold colors < 32.
% light blue -> blue -> black -> red -> yellow
% Paul Mazaika July 2004. (no change for v.2).
xmap = [
0.0417 0 0
0.0833 0 0
0.1250 0 0
0.1667 0 0
0.2083 0 0
0.2500 0 0
0.2917 0 0
0.3333 0 0
0.3750 0 0
0.4167 0 0
0.4583 0 0
0.5000 0 0
0.5417 0 0
0.5833 0 0
0.6250 0 0
0.6667 0 0
0.7083 0 0
0.7500 0 0
0.7917 0 0
0.8333 0 0
0.8750 0 0
0.9167 0 0
0.9583 0 0
1.0000 0 0
1.0000 0.0417 0
1.0000 0.0833 0
1.0000 0.1250 0
1.0000 0.1667 0
1.0000 0.2083 0
1.0000 0.2500 0
1.0000 0.2917 0
1.0000 0.3333 0
1.0000 0.3750 0
1.0000 0.4167 0
1.0000 0.4583 0
1.0000 0.5000 0
1.0000 0.5417 0
1.0000 0.5833 0
1.0000 0.6250 0
1.0000 0.6667 0
1.0000 0.7083 0
1.0000 0.7500 0
1.0000 0.7917 0
1.0000 0.8333 0
1.0000 0.8750 0
1.0000 0.9167 0
1.0000 0.9583 0
1.0000 1.0000 0
1.0000 1.0000 0.0625
1.0000 1.0000 0.1250
1.0000 1.0000 0.1875
1.0000 1.0000 0.2500
1.0000 1.0000 0.3125
1.0000 1.0000 0.3750
1.0000 1.0000 0.4375
1.0000 1.0000 0.5000
1.0000 1.0000 0.5625
1.0000 1.0000 0.6250
1.0000 1.0000 0.6875
1.0000 1.0000 0.7500
1.0000 1.0000 0.8125
1.0000 1.0000 0.8750
1.0000 1.0000 0.9375
1.0000 1.0000 1.0000 ];
size(xmap); % 64x3
ymap = zeros(64,3);
for i = 1:32
ymap(32+i,:) = xmap(2*i,:);
ymap(33-i,2) = xmap(2*i,2);
ymap(33-i,1) = xmap(2*i,3);
ymap(33-i,3) = xmap(2*i,1);
end