QTR-Quadtone RIP

On Feb 5, 2007, at 11:17 PM, Daniel wrote:

> ok, i think i'm holding a dialogue with myself here.
>
> anyway, i think i've found the answer here:
> http://f1.grp.yahoofs.com/v1/MO_HRYdibvrk37Mh-PaKrONbBpf67BYP- 
> kHS630pr-
> JDMo2Zn_KoyYnmU9JyOifFlrLn01cjzOrGxcUKLKdS4qIjUZ8fz10U/Docs/ICC% 
> 20Info.txt
>
> but it'd be nice to hear from someone regarding this question  
> because i want to make sure
> that i'm on the right track. that is, i don't end up double  
> profiling, otherwise all this
> effort to linearize and create an ICC profile would be pointless.  
> don't you think?
>
> it seems logical that the target shouldn't be color managed in  
> order that my correction
> curve can be derived from this target correctly. therefore this is  
> the step i have to get right
> before i can continue to creating an accurate ICC profile. if my  
> correction curve is good, to
> create my ICC profile, i again print my target without color  
> management, but using the
> corrected curve. i measure the target, and using the data file  
> created by Measure Tool i
> use QTR-Create-ICC to generate my ICC profile. Finally, then, i'd  
> print letting photoshop
> color manage, using perceptual for rendering intent, black point  
> compensation, and the
> newly generated profile.
>
> am i on the right track?

Yes, your procedure as outlined above is correct.

>
> can someone confirm, please?
>
> anyone out there?
>
> thanks again.
>
> daniel
>
> --- In QuadtoneRIP@yahoogroups.com, "Daniel" <dc1961@...> wrote:
>>
>> anyone knows?
>>
>> i've printed the step-21-random.tif using two different settings:  
>> one Printer Manages
>> Colors, and the other No Color Management. i did measurements on  
>> both and the
>> measurements between them are very different.
>>
>> does anyone knows which setting should be used - Printer Manages  
>> Colors  or No Color
>> Management.
>>
>> anyone?
>>
>>
>> --- In QuadtoneRIP@yahoogroups.com, "Daniel" <dc1961@> wrote:
>>>
>>> i've completed the ink partitioning and created the quad curve file.
>>>
>>> now i'm ready for the correction curve process.
>>>
>>> per QTR's Eye-One-ReadMe.pdf (pg. 4) it instructs creating the  
>>> quad curve and print
> the
>>> Step-21-gray stepwedge. but before i print the Step-21-gray  
>>> stepwedge to create a
>>> correction curve, am i suppose to follow the printing procedure  
>>> described on page 6
> of
>>> Tutorial.pdf -- that is selecting Let Photoshop Determine Colors,  
>>> QTR-Gray Matte
> Paper,
>>> Rendering, and Black Point Compensation before printing Step-21- 
>>> gray stepwedge? if
>> not,
>>> then should it be No Color Management or Printer Manages Color?
>>>
>>> a bit confused here.
>>>
>>> your help is appreciated.
>>>
>>> thanks.
>>>
>>> daniel
>>>
>>> QTR 2.4.3
>>> Mac OS X
>>>