QTR-Quadtone RIP

Hi John,

It recognizes headings of either RGB or RGB_R.
The values should be 255 (white) through 0 (black).
Density numbers are fine, values are between 0 and 4.
It's much easier to try it than figure it out.

Roy

On Wednesday, August 2, 2006, at 03:26  PM, john eckenrode wrote:

> Hi Roy
> Regarding the information below. Will
> QTR-Linearize-Data and QTR-Create-ICC take density
> measurements measured in RGB_R.
> My densitometer gives these measurements.
> So what I am wondering is if at a given grey % can I
> enter RGB and Density values and have Create-ICC
> understand it. If yes, how would I enter that info, ie
> does Create-ICC recognize RGB columns?
> Thanks
> John E
>
> The important columns are:
>> 1) Gray  --  0 to 100, basically the same as K in
>> Photoshop.
>>       or RGB  --  255 to 0, can be used as a
>> substitute for Gray.
>>       if missing it assumes N evenly spaced samples
>> 2) L, LAB, LAB_L   --  > 0 to  < 100,   the L
>> measurements
>> 3) A, LAB_A   -- A measurements (optional, A=0 if
>> not there)
>> 4) B, LAB_B  --  B measurements (optional, B=0 if
>> not there)
>> or D, Density  --  0 to 4, density instead of L
>> values, but no color
>> then.
>
>
>
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-
Roy Harrington
roy@...
Black & White Photo Gallery
http://www.harrington.com