Re: What's the best rip for fine art printing?
Re: What's the best rip for fine art printing?
- Subject: Re: What's the best rip for fine art printing?
- From: "Ernst Dinkla" <email@hidden>
- Date: Sat, 10 May 2003 10:41:16 +0200
----- Original Message -----
From: "Terry Wyse" <email@hidden>
To: "ColorSync User List" <email@hidden>
Sent: Friday, May 09, 2003 11:15 PM
Subject: Re: What's the best rip for fine art printing?
>
on 5/9/03 4:59 PM, Jim Rich wrote:
>
>
> Here is one reason.
>
>
>
> If you have a rip with linearization and ink limiting you
get the largest
>
> color gamut out of your paper and printer ink combination.
This strategy
>
> allows you to setup an optimum printing condition (you know
this because you
>
> have defined it yourself). In an RGB workflow you use the
printers ink set
>
> (some form of CMYK) but you might or might not be at the
optimum print
>
> condition for that ink and paper.
>
>
Which brings me to a little question I've had for some time:
>
>
Is there no RIP that allows both setting ink
limits/linearization in 4, 6, 7
>
(or more) ink channels AND lets you profile it as an RGB
device? It seems to
>
me that these two things would not be mutually exclusive. Or
maybe they are.
>
Damn, the ignorance thing again.
>
>
TW
Terry,
Wasatch SoftRip 4.5 allows ink limits/linearization in 4 and more
ink channels depending on the printer. A CcMmYK printer is
however limited to CMYK channels with some control on the
transfer points between cC and mM.
It the last two versions it can be used as an RGB device too,
next to its normal CMYK profiling. This has been done because
CcMmYKOG etc printers were normally difficult to profile. At
least the Wasatch SoftRip is difficult to profile for that
purpose. If I'm correct this RGB profiling is more a stop gap
solution till Wasatch has something figured out (together with
Monaco ?) to do true multi channel profiling.
Wasatch SoftRip isn't very popular on this mail list for whatever
reason, it has a lot of features however and a nice license
scheme.
I've asked Wasatch to add an extra linearization on top of all
channel linearization + curve controls to linearize quad and
hexatone B&W printers as well but I haven't seen any progress so
far. For the same reason it would be easier when CcMmYK channels
are treated as true 6 channel printers. For normal colour
printing this isn't needed.
www.wasatchinc.com
It is to be expected that Gimp-print will get colourmanagement in
one way or another. Most likely in RGB fashion as the Gimp itself
is RGB. The guts of Gimp-print already allow more control on
inklimits than most RGB drivers, there are plans to make the
settings more accesible. Some derivatives of this open source
program are already appearing for B&W printing. OPM being one of
them.
Ernst
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