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Jim Holsenback nous illumina en ce 2009-03-30 14:21 -->
> "Alain" <ele### [at] netscape net> wrote in message
> news:49d0df24$1@news.povray.org...
>> Does your glass have a thickness, or is it solid trough?
>
> It's a lathe object, and I rotated it slightly just to make sure I could see
> all the way through it. Without a texture it looks like a hollow tube ...
> btw: when it's textured hollow on or off appears to make no difference. It
> indeed appears to be acting like a solid object.
>
> Just to be clear about it I'm running 3.6.1 on linux ... I'm not on that
> machine now but planned on doing some more testing (purely trial and error
> at this point) this evening .... perhaps I should post a couple of relevent
> code segments to see if anyone can spot what's going on here.
>
>> Now, there is a magnifier like effect that should NOT be there.
>
> yes that describes what we're seeing perfectly .... the effect gets more
> pronounced as ior is increased.
>
>> Then, the flame's container apears to have an ior of 1.000.
>
> I don't recall (it's someone elses macro) but I'll check
>
> Thanks
> Jim
>
>
>
Your lathe spline should go back to form an inner surface and form a closed
shape that never reatch the axis.
--
Alain
-------------------------------------------------
Keep your eyes wide open before marriage, half shut afterwards.
Benjamin Franklin
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