> I am using UFRaw with Gimp and energy saving lamps. The colour
> temperature of these lamps is quoted as 5000K which I presume I can set
> in the white balance. What I would like advice on, please, is what is
> the purpose of being able to vary the green setting and does this need
> to be set to any particular figure?
WB in RAW converter is a set of 3 multipliers, one for each channel - R,
G, B. This is more flexible than color temperature itself.
If you move green slider you will see how the picture changes.
Gimp-user mailing list