RE: CMM's and strange banding in Gradients
RE: CMM's and strange banding in Gradients
- Subject: RE: CMM's and strange banding in Gradients
- From: "michael shaffer" <email@hidden>
- Date: Wed, 22 Jan 2003 10:07:52 -0330
Graeme Gill writes ...
>
Job Kuipers wrote:
>
> If I make a Gradient from Black to White (in Photoshop) and I take a
>
> close look, I see some sort of banding. That is not new to me, but I
>
> discovered that when I change my CMM in the ColorSettings-Pane, the
>
> banding pattern also changes. How is that possible, I always thought
>
> that the CMM was for converting from my RGB-workspace to my
>
> CMYK-workspace.
>
>
The CMM is for converting one colorspace (ie. Monochrome) into another
>
colorspace (ie. CMYK). Unless your input colorspace (eg. working
>
space) is the same as your output space (eg. display/printing
>
device) then a color conversion is required.
Interesting! I might have assumed PS would have used a special
"compensation engine" for the display. This might also imply the artifacts
would also be more exagerated for monitor profiles which are chosen to be
different from the native CRT ... e.g, 1.8 & 5000K versus 2.5 & 9300K (???)
cheerios ... shAf :o)
Avalon Peninsula, Newfoundland
www.micro-investigations.com (in progress)
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