Thank you.

"ingo" <ing### [at] tagpovrayorg> wrote in message 
news:Xns9A00CD7B34084seed7@news.povray.org...
> in news:47574968$1@news.povray.org mc wrote:
>
>> Where I'm not sure I got it straight is that it looks like the
>> refracted ray in b) is going to be "glass/air" instead of
>> "glass/water" as we don't know yet that water will be hit.
>>
>>
>
> From a modelling point of view, to get a better visual result, modell
> the water so it slightly overlaps the glass, no air gap between the
> two.
>
> A solution in the POV-Ray source was once posted by Ron Parker in
> comp.graphics.rendering.raytracing. Couldn't find is posting with a
> quick search...
>
> ingo

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