Re: Good demonstration of metamerism?
Re: Good demonstration of metamerism?
- Subject: Re: Good demonstration of metamerism?
- From: Ben Goren <email@hidden>
- Date: Sun, 13 Jun 2010 00:52:32 -0700
On 2010 Jun 12, at 9:29 PM, Marco Ugolini wrote:
> Just to make sure: you already know that when TWO specimens viewed by an
> individual with normal color vision under ONE same light source match one
> another, that is called a "metameric match", and when they don't it's called
> an instance of "metameric failure" -- correct?
Yes, of course. It's that property I wish to demonstrate: how two samples can be a metameric match under a particular light source, but a metameric failure under a different light source. And, ideally, with enough different colors that it's obvious that it's not just a peculiar property of the particular shade of (e.g.) green that I happen to be showing, but that it's something that can happen with nearly any color.
What I want, essentially, is to be able to say, ``Come over here to the window and have a look at this. See how these colors on top are all pretty much the same, and these on the bottom are all different? Right. Now, let's step over here underneath this fluorescent light. And, hey, whaddya know? The ones on the bottom now match, and it's the ones on top that are all different. No, it's not magic; it's metamerism.''
Cheers,
b& _______________________________________________
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