Re: Color Not Correct On BEST RIP
Re: Color Not Correct On BEST RIP
- Subject: Re: Color Not Correct On BEST RIP
- From: Rolf Gierling <email@hidden>
- Date: Thu, 12 Jan 2006 12:53:42 +0100
Hello Bill,
Am 11.01.2006 um 23:06 schrieb email@hidden:
Greetings,
I am using Best 5.01 SP2 and have a problem with the color in a
gradient element. The gradient is about 2 inches in height
and 1/4 inch width. It was created in Illustrator and contains 100%
yellow and a gradient of magenta. The magenta is 25%
at the bottom, gradating to 1% at about 1 1/2 inches up. The gradient
is created so the 1% holds from 1 1/2 inches up to
the top of the element.
Just to be shure:
You created your file using the press profile?
Which illustrator version did you use? I remember versions not
correctly embedding profiles.
When I print this element through the Best RIP with our lin file,
press profile as reference, and Epson profile for paper
profile the gradient is much lighter than I know it should be.
What is lighter? Do you say, 25% Magenta is 15%, and 10% is 0% (Even)?
What rendering intent did you use? Does this happen with absolute
colorimetric?
The file is saved as an EPS and placed in a Hot Folder on the Best RIP
Below are some experiments I tried and the results:
1 - Send the file through the BEST with CM off and a "canned" lin file
- gradient looks correct.
2 - Send the file through the BEST with CM off and our lin file -
gradient looks correct.
3 - Send file through BEST with CM on, our lin file, and press profile
for both reference and paper profile - gradient looks
correct.
4 - Send file through BEST with CM on, our lin file, and Epson profile
for both reference and paper profile - gradient looks
correct.
I'm not quite shure how Best/EFI v5 behaved, but XF is honouring so
called "null-transforms":
If source and destination profile are the same, no transformation is
used. So
#3 and #4 are the same as switching CM off as in #1 and #2.
Anyone have a clue as to what is going on here? Am I correct in
guessing that there is a problem in the B to B translation?
Thanks in advance to all that respond. This will be cross posted to
other digests.
-Bill-
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Regards
Rolf
-----------------------------------------------------
Multitools
Dipl.-Ing. Rolf Gierling
Colormanagement
Consulting - Development - Distribution
Mariabrunnstr. 16
52064 Aachen
Germany
Tel. +49 (0) 2 41 / 4 01 25 79
Fax. +49 (0) 2 41 / 4 01 25 83
email@hidden
www.multitools-online.de
Author of "Farbmanagement"
2nd Edition August 2004
MITP Verlag GmbH, Bonn
ISBN 3-8266-1382-1
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