Remco de Korte <rem### [at] xs4allnl> schreef in berichtnieuws
37F27701.33A06FB4@xs4all.nl...
>
> How about describing light by its frequency?
> Now that would be cool. Once POV-Ray could work with that you could even
make
> EM-raytracings ;)

The CIE (Commission Internationale de l'Eclairage) standard uses spectrum
measurement to define a colour. IR and UV are not coverd though, they are not
conciderd colour or light. It's the only colour measurement / definition
accepted by ISO. Even in the printing buisiness it's slowly gaining terrain on
pantone etc.

http://www.inforamp.net/~poynton/notes/colour_and_gamma/ColorFAQ.html

http://www.colourware.co.uk/cpfaq.htm

Ingo

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