On Tue, Jun 1, 2010 at 2:59 PM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote: > jacky bluse wrote: > >> I try to convert spectral data to status T density by function >> "xsp_Tdensity", but the result is diffrent from what i get direct from >> X_rite Dtp_41. Is there something wrong with the function "xsp_Tdensity"? >> > > status T density >> measured with X_rite Dtp_41 (VCMY)0.504, 0.264, 0.768, 0.453 >> Calculate by "xsp_Tdensity" (CMYV)0.242, 0.521, 0.423, 0.352 >> > > Hi, > > The table "xspect denT" has incorrect scale factors. Change the > four "Log10 Scale factor"s to 1.0, and you should get the expected > density values. > > Graeme Gill. > > That's right,the problem is resolved.Thanks, Gill! Jacky.