Re: A ripping good profile ?
Re: A ripping good profile ?
- Subject: Re: A ripping good profile ?
- From: Jim Rich <email@hidden>
- Date: Thu, 28 Oct 2004 09:58:31 -0400
On 10/27/04 6:37 PM, "edmund ronald" <email@hidden> wrote:
>
> Still I wonder - is it necessarily meaningless to profile a RIP in
> RGB mode ? Or might this reflect a commercial choice on the part of
> Caldera ?What is the point of a CMYK profile for a RIP if one uses it
> for photo and fine art i.e. with RGB input files ? How does the RIP do
> the RGB to CMYK separation ? In any case, my ex-friend diagnosed me as
> a total failure and I never got to make that print :)
>
> What should I learn from this story ?
Edmund,
If you were to look at all of the RIPs in the market there are over 70
offerings. And if you take a closer look there are only two to four rips
that claim they can be profiled as RGB to give you optimum results. From a
technical point of view. This is a very small portion of the third party rip
market.
There are more advantages to using a third party rip that controls CMYK.
It is my view using a rip that allows control of CMYK is a reason to get
control of your printer. A Rip that handles only RGB images is usually a
black box and you don¹t have control over CMYK from the output engine.
Do RGB types of rips work? They do. But again it is about how much control
you think you need throughout the whole process .
Once you have control over your CMYK printer, via a rip, you can get great
prints from any type of file, if the right controls have been built into the
rip.
So if your printer spits out CMYK (or some variant of CMYK) then a rip that
gives you control over the CMYK is the preferred option. And that is the
rational for a rip.
If you have a good rip (that can handle GS, RGB and CMYK) , then it should
not matter what types of files you send to your printer, because the rip
will work in the back ground to provide way to help keep your images
optimized with less color conversions taking place.
As for a rip doing a color separation. I believe that each rip has its own
method and color separation architecture. Some rips that run on MACs use
source and destination profiles in conjunction with ColorSync some might
use their own CMM and the same goes for windoews.
Jim Rich
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