Ron Parker wrote:
> 
> On Sat, 29 Apr 2000 23:29:08 +0300, Peter Popov wrote:
> >And don't forget the air gaps problem, too.
> 
> Speaking of the air gaps problem, I posted something over on cgrr about
> that and only got a response from one person.  There is no correct way
> to do the junction of two objects with different IORs.
> 

Do you mean 'no way' or 'POV doesn't do it'?
Isn't refraction calculated by the difference in ior when a ray crosses
a surface?

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