Quarks handling of color-managed images in pages saved as an EPS
Quarks handling of color-managed images in pages saved as an EPS
- Subject: Quarks handling of color-managed images in pages saved as an EPS
- From: Matt Nelson <email@hidden>
- Date: Fri, 15 Apr 2005 14:32:55 -0500
Interesting problem here. I've got images converted to my press space
placed in Quark 5. Due to a change in press sheet size, I went to save the
page, with its images and Quark created elements (obviously not color
managed elements mind you) as an EPS. I then placed the images in a new
document, and made the necessary size adjustments (x -.5%). I then put the
page into my RIP and keyed on certain pixels, and discovered a
difference. Then I realized, it must be due to the resampling that occurs
when changing the EPS size. Well, I was going to write and ask just how
that resampling is accomplished, and what effect it might have in a color
managed image (yes, I know this is not the ideal way to do this) but then I
sent the placed EPS undistorted, and still found differences.
Why would this be? Shouldn't it send pixel values unchanged? There is no
Quark CMS active, and nothing in the RIP. It has to be in the page saved
as an EPS, but what is changing the values?
--
Matt Nelson, A+, Network +, MCP
Prepress Production Manager
Director of Technology Resources
Nelson Printing Company
Nelson Label Company
Jonesboro, Arkansas
email@hidden
http://www.nelsonprinting.com
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