Re: Printing profile test targets WITHOUT photoshop
Re: Printing profile test targets WITHOUT photoshop
- Subject: Re: Printing profile test targets WITHOUT photoshop
- From: Graeme Gill <email@hidden>
- Date: Wed, 19 Aug 2009 18:19:42 +1000
edmund ronald wrote:
I can't be bothered to look at the Generic RGB Apple Profile, and I'm
too dumb to figure out what is in a profile anyway - but maybe some of
our tech geniuses here can tell us what it is, or just make us a
genuine "do nothing" profile of some sort to act as a placeholder ?
It doesn't work like that. The only type of real device profile
that will "do nothing" is the same profile that will be used
as the destination, the very (fragile) system that is now
(it seems) not working so reliably.
You can make a device link "do nothing" profile, but this isn't
going to be a valid way of tagging an image made of device values.
The correct, robust method is to tag the image with a flag
that says "Image is in output device space, do not color manage",
but unless someone like the ICC comes up with a standard that
uses the ICC format for such a thing (a meta profile), it is
still going to be printing system or operating system
and print file format dependent.
[ If it were up to me there would be two flags:
Do not color transform.
Do not use calibration.
So that there was a way of tagging calibration system and
profiling test charts in a way that guarantees that they
are printed properly. That's what we did with Postscript
comments on the DICENet/Cyclone, and it worked very reliably.]
Graeme Gill.
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