tianny99:Based on the white color-coordinate(x,y), we can obtain a factor of n firstly,
9p02K@wkD n=(x-0.3320)/(0.1858-y),
)086u8w )y then, we can calculate CCT(Correlated Color Temperature) as following,
q_;# EV CCT=437*n^3+3601*n^2+6831*n+5517
(2008-07-22 16:05)
*0a7H$iQ(]