QTR-Quadtone RIP

--- In QuadtoneRIP@yahoogroups.com, Ernst Dinkla <E.Dinkla@...> wrote:
> 
> In general you are close to what I think may cause problems: 
> getting other results than expected.
> The lines are not straight in that color space is just one 
> thing. A good example is where Paul mixes ink toners and has 
> to change the hue between the light and the dark toner 
> slightly just to get it perceptually right in the print. All 
> adaptions that show there's complexity that can't be 
> translated into simple models.

Ernst,

I think we understand one another. As I argued myself as well, indeed 
the output of a "multi-QTR-slider" approach can not be predicted 
exactly, just like that of the current two-slider feature. 

Having said, I still am interested to experiment with it, just like I 
do with the current slider. It's not a pancea that suits all needs, 
but within the QTR workflow it would be an enrichement.
  
> Similar things have been discussed before on the digital B&W 
> list. What makes a good digital B&W print ... is for example a 
> thread that goes into the two streams of thinking in B&W 
> printing right now. I'm no advocate of both but I think 
> there's a solution in between that has much of the ABW modes 
> of the latest OEM drivers but with the calibration etc of QTR 
> + the profiles. The most futuristic view is an ABW system with 
> an underlying general B&W ICC profile for that paper and 
> inkset and the flexibility and ease of use of ABW that both 
> QTR with its sliders + semi-ICC profiles and David Tobie's 
> solution with his B&W ICC profiles can't deliver.

An interesting discussion indeed. I find myself also torn between the 
two sides. Therefor my suggestions here. I understand partly where 
you want to go. But that's for another thread in another forum..

Joost