tianny99:Based on the white color-coordinate(x,y), we can obtain a factor of n firstly,
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?0P{{ n=(x-0.3320)/(0.1858-y),
9^+E$V1@ then, we can calculate CCT(Correlated Color Temperature) as following,
u|"y&>!R- CCT=437*n^3+3601*n^2+6831*n+5517
(2008-07-22 16:05)
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