Re: Input vs. Target
Re: Input vs. Target
- Subject: Re: Input vs. Target
- From: Mike Strickler <email@hidden>
- Date: Wed, 7 Mar 2007 17:50:17 -0800
Kevin,
What I think you're referring to are settings for what's commonly
called "Source," "Simulation," and "Output" or "Printer" profiles.
Normally the Input profile is the assumed profile of the incoming
files. If these are CMYKs to be proofed, the RIP either "reads" the
embedded profiles or (if absent) assumes them to be whatever you've
entered in that box as your default input profile. It then converts
them into the color space of your proofer, whose profile is entered
in the Ouput/Printer profile box. It is of course possible to convert
from source to proofer profile in another application and simply pass
on the file to the RIP with those boxes set to "none" or color
management turned off.
The "Simulation" box is only used when there are three profiles
involved. For example, you have an RGB file that's going to a
Lightjet printer but you want a press proof as well. In that case the
Input will be the RGB profile, the Simulation will be the press
profile, and the output profile will again be the proofer profile.
In EFI/Best, the "Input" area actually deals with other issues, such
as hotfolder locations, how PostScript is handled, and other odds and
ends. In this RIP the color management is dealt with in the "Color"
box in the Workflow settings area (Source and Simulation) and in the
"Quality" box inside the Output Device settings area, where the
proofer profile is buried in the "EFI Calibration set," which also
includes the printer linearization and settings.
I hope this helped.
Mike Strickler
Certified EFI Colorproof Implementer
MSP Graphic Services
707.664.1628
In older RIPs, you have two slots to place profiles. One slot takes
the profile that describes the behavior of the proofer (Inkjet).
Another slot accepts the profile describing the behavior of the
output device (Waterproof).
In modern RIPs I've seen a third slot that is typically called
'INPUT'. I suspect if the user does not separate into the color space
of the OUTPUT device, they would place the profile of your separation
here.
So, what is the advantage of this third, INPUT slot? Why is it needed?
We are buying an EFI-BEST and it should arrive soon and wanted some
feedback before I began experimenting. Thanks!
-- Kevin Muldoon
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