RE: iSis was Re: Any comments or feedback on i!Publish? (Lou Dina)
RE: iSis was Re: Any comments or feedback on i!Publish? (Lou Dina)
- Subject: RE: iSis was Re: Any comments or feedback on i!Publish? (Lou Dina)
- From: "Rohit A. Patil" <email@hidden>
- Date: Wed, 18 May 2011 13:51:45 -0600
- Thread-topic: iSis was Re: Any comments or feedback on i!Publish? (Lou Dina)
Tyler wrote: "If these instruments make multiple
samples per patch and average them on the fly, other than some gross
alignment error what is the point of multiple chart measurement for
averaging if there has been significant averaging with one pass anyway?"
One benefit I see is when physically printing multiple charts and
measuring each one and averaging those to account for minor
printing/placement variations. I have to agree that measuring the same
chart multiple times and averaging those might not be always beneficial
with some of the newer color devices.
Regards,
Rohit Patil
Color Science Engineer
ONYX Graphics Inc.
-----Original Message-----
From: colorsync-users-bounces+graxx=email@hidden
[mailto:colorsync-users-bounces+graxx=email@hidden] On
Behalf Of Tyler Boley
Sent: May-18-11 3:22 PM
To: Terence Wyse
Cc: 'colorsync-users?lists.apple.com' List
Subject: iSis was Re: Any comments or feedback on i!Publish? (Lou Dina)
regarding the iSis, I'm finding with inkjet coated fine art papers, the
usual suspects, that the rubber drive washers pick up (well dried) black
ink
from the black start bar and proceed to put it down in slight amounts on
the
lower color patches. With very light colors this clearly taints the
result,
with repeated measurement for averaging it's clearly seen, the later
measurements differing from the 1st, progressively worse. Anyone find
this
problematic? I doubt my averaged data is more reliable than the first
pass
in the light patches.
This leads me to my second question. If these instruments make multiple
samples per patch and average them on the fly, other than some gross
alignment error what is the point of multiple chart measurement for
averaging if there has been significant averaging with one pass anyway?
Tyler
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