[argyllcms] Re: Qs re: mapping of Scanner Input Profiles

  • From: Ben Goren <ben@xxxxxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Tue, 27 Jan 2015 20:20:51 -0700

On Jan 27, 2015, at 8:06 PM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote:

> Doing gamut mapping with input profiles isn't a typically useful workflow

To expand on that a bit, to put it in context...input devices don't have 
gamuts. Throw any collection of photons at an input device, and you'll get some 
sort of a value out of it. You might get the same value for more than one 
incoming batch of photons, such as in the case of overexposure...but that's not 
the gamut of the input. The gamut of the input is unlimited, even if the input 
device has trouble distinguishing between the various inputs.

The output, however, definitely is limited. There's no output device that can 
produce monochromatic light, for example, thereby demonstrating a gamut smaller 
than that of the input.

Cheers,

b&

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