QTR-Quadtone RIP

Tom Moore wrote:
> Ernst
> 
> You have not missed an update of the guide. An update is long overdue and I
> am collecting comments on the guide in preparation for the next revision.
> I'm not quite sure what you are suggesting. See comments below:
> 
> 
>> -----Original Message-----
>> From: QuadtoneRIP@yahoogroups.com [mailto:QuadtoneRIP@yahoogroups.com] On
>> Behalf Of Ernst Dinkla
>> Sent: Monday, December 10, 2007 4:48 AM
>> To: QuadtoneRIP@yahoogroups.com
>> Subject: [QuadtoneRIP] The User Guide's ideal densities
>>
>> With the use of QTR created B&W profiles in QTR and for other
>> applications like the ABW mode of Epson K3 drivers there could be some
>> confusion for QTR etc users what the Ideal Density numbers shown in the
>> User Guide actually mean. If they got another name like linearised
>> density numbers it would be more specific. The manual was made before
> 
> Here, I think you are suggesting the term "Ideal Densities" be changed to
> something more appropriate such as your suggestion "Linearized Densities",
> correct?

Correct.

>> the profile refinements became available so it is understandable. Adding
>> numbers for perceptually correct density ranges and calling them Ideal
>> curves would help to show the difference and add another control for
>> users. Is this correct or did I miss updates of the manual ?
> 
> Here, I think you are suggesting that there be another table (or set of
> columns) that provide "perceptually correct density values". Do I understand
> this correctly? If so, what are perceptually correct density ranges and how
> are they determined?

There's a chapter:

Profiling the Advanced Black and White Mode

on this page

http://www.outbackphoto.com/printinginsights/pi045/essay.html

that I thought sums up the linearisation stage above and the 
next step the profiling on top of it.


-- 
Met vriendelijke groeten, Ernst


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