Re: "Non-linear"?
Re: "Non-linear"?
- Subject: Re: "Non-linear"?
- From: Marco Ugolini <email@hidden>
- Date: Wed, 08 Oct 2008 19:33:34 -0700
- Thread-topic: "Non-linear"?
In a message dated 10/8/08 9:04 AM, Mike Ornellas wrote:
> This may be the traditional rational of color spaces for working in,
> but the point that I am trying to get across here and the point that I
> have been trying to get across to people for many years is that WHAT
> is the best working space to use to repurpose files.
Please specify "repurpose".
As far as I know, "repurposing" means tailoring an image file to a given end
use. By definition, the myriad variations of that task do *not* demand that
we use exclusively *one* particular source color space.
> The big problem in a production environment is knowing where the files
> came from and where are they going to.
Identifying the most appropriate source profile for the image is a step
separate from "repurposing": before we repurpose an image, we must find out
what it's supposed to look like -- meaning, which color profile most
appropriately describes the appearance of its color numbers.
> A lot of times people do conversions without knowing what the files are
> going to be used for. Nature of the work is subjective and it's often
> repurposed for many uses. Even expectations are subjective because a lot
> of times most don't even know what they are looking at.
>
> This is the reason why I ask -
>
> which color space is better?
"Better" at what, Mike? It seems to me that Karsten's reply is the right one
(to quote: "Either the color space the image is in when you receive the
file, or the destination color space that fits your customer's requests.")
Otherwise what is your question asking?
Which color space is the most gray-balanced, perceptually uniform, visually
linear? (All standard RGB working spaces are, by the way, to a large extent:
sRGB, ColorMatch RGB, AdobeRGB, ProPhoto RGB, etc.)
Or perhaps which color space has the widest-possible gamut? That's easy:
ProPhoto RGB.
What feature(s) in the working space are you looking for, exactly? In your
message it's clear what you *do not* want, and wish to avoid, but what is it
that you *do* want from your color space?
Marco Ugolini
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