Digital BW, The Print

> From: Paul Roark <paul.roark@...>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Mon, 17 Oct 2005 22:34:26 -0700
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: RE: [Digital BW] ICC v. Transfer Function in Epson driver
> 
> Walt,
> 
>> 
>> The data section of the test file is in nine colums as follows:  Data
>> number (1-51 in my case, 1-21 in yours); Sample name (A1, A2, A3, B1,
>> B2, B3, C1, etc.);
> 
> Do these sample names have any relevance, or are they arbitrary?

Not important but once you see the MeasureTool output you will understand
what Walt is talking about.


> 
>> percentage of gray (e.g. 80.00); XYZ_X (e.g.
>> 4.65); XYZ_Y (e.g. 4.77); XYZ_Z (e.g. 3.54); LAB_L (26.08); LAB_A
>> (e.g. 0.58); LAB_B (e.g. 2.52).
>> 
>> Roy or Steve would know better, but I doubt Create ICC is reading the
>> first column and probably not the second.  As Steve also suggested,
>> the LAB_A and LAB_B columns could also be filled with zeros if you do
>> not want to soft proof the actual paper color.
> 
> If the Lab a and b can be zeros, what about the XYZ data?  That data seems
> redundant of the Lab values.

XYZ is not needed.  See earlier post.
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