QTR-Quadtone RIP

Tom

I though so, but is there a way to be able to evaluate color shift based 
on RGB densities like it is possible by a and b in LAB?
I can put them in 3D but that would be rather difficult to compare I 
guess and to see if it is going warm or cold ;-)

Tom Moore wrote:
>> ...
>> Do you know how can I convert RGB densities to Lab, so I can compare
>> easier different papers in 2D space?
>>
> There is no way to convert RGB densities (e.g. from the Xrite-810) to LAB.
> 


--
richard vanek
www.richard-vanek.eu