Yes, I guess for most purposes it is easier to describe it as an index of
reflection (if that's the right name...).

And as you said of course, it is dependant on the incident of reflection...
but to my knowledge there isn't really a perfect way to measure something
like this from real life...

--
Lance.


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Ken wrote in message <37168CC1.301BE239@pacbell.net>...
>Margus Ramst wrote:
>>
>> Yeah, I know. It's very nice. But it is not a complete implementation of
the
>> Fesnel model. It only works for transparent materials. You can't specify
<1
>> IORs for metals.
>
>I am curious. Do metals really have an indexable amount of refraction or
>would it be more accuratly described as an incident angle of reflection ?
>This inquiring mind, and perhaps others as well, would like to know.
>
>--
>Ken Tyler
>
>mailto://tylereng@pacbell.net

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