Yadgar nous apporta ses lumieres ainsi en ce 22/08/2004 16:39... :

> High!
>
> Nathan Kopp wrote:
>
>> "Zeger Knaepen" <zeg### [at] studentkuleuvenacbe> wrote...
>>
>>> try adding the hollow modifier to the object representing Saturn's 
>>> rings.
>>>
>> Or increase the max trace level.
>
>
> Neither "hollow" nor increasing the max_trace_level worked, the latter 
> not even at 256 and with adc_bailout set to 0! Now I tried replacing 
> the original disc object by a very thin cylinder - and the rings 
> disappeared completely!
>
> Very strange...
>
> See you in Khyberspace -
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>
> Yadgar

How thin compared to the other dimentions? If the thickness is very low 
(0.000 000 1 or less) and the larger other values around 1000 or more, 
the rounding may play trick on you. A realistic thickness could be 
around 1/10 000 Saturn's radius.

Alain

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