[argyllcms] Re: Perceptual intent

  • From: Ben Goren <ben@xxxxxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Fri, 19 Dec 2014 18:25:25 -0700

On Dec 18, 2014, at 6:24 PM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote:

> When the encoding space has a very large gamut (i.e. L*a*b*, ProPhoto,
> BruceRGB to some degree, etc.), then you almost certainly don't want your
> image to be rendered to fill that space, since you will be making it look
> terrible, and throws away the actual look of the image.

There's another danger of using large working spaces.

If you're fiddling around with the various knobs in an image editing 
application, you may well be tempted to fiddle them in such a way that gives 
the image lots of "pop" on the screen...and, in so doing, expand the encoded 
gamut waaaaay beyond not only what your printer can print but also what you're 
actually seeing on the display. And, unless you explicitly check for that, 
you'll never know...and you'll also never know why you always get strange 
artifacts any time you try to do anything with the image other than look at it 
in the original editing application.

Yes, I type from experience....


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