Andrew the Orchid nous apporta ses lumieres ainsi en ce 2004-11-01 
15:28... :

>>> "Interesting" as in "oh, that's interesting"?
>>> Or "interesting" as in "what the hell?... WHY did you do this???!"
>>
>>
>> Both. :-)
>
>
> Oh, OK. :-)
>
>>> BTW... what do you make of the actual picture? Did you get it to 
>>> complete rendering? (I have not done this yet - it takes too long.)
>>
>>
>>
>> I agree. The render takes very long. On my AMD64 3000+, I get about 
>> 3PPS. So, I didn't bother to render it bigger than 160x120 (1h20m). 
>> I'm not sure what the extra 2 planes are doing. I can see that the 
>> plane{+y, -0.1} adds some nice ground effect. But it is also the one 
>> responsible for the slow render. I can't figure out what the 
>> plane{+y, +40} is doing though. Leaving it out doesn't seem to change 
>> anything.
>
>
> Correction. Removing the sky plane makes the render go *drastically* 
> faster - and I have no idea why. It seems to change the way the media 
> sampling is done... weird.
>
> But yes - it's only there to make a reflection on the top of the 
> sphere. It doesn't make a huge difference.
>
> BTW... I tried to render the thing at 800x600. It's still going now, 
> 22 hours later. 74% done though...
>
> Andrew.

It's media, invisible at ground level, is everywhere. It would be beter 
to diference it with another plane a few units lower, just low enough to 
contain the planar density. Rendered at 1024*768 in about 19 hours on a 
TBird 1400 with 512Mb. Average PPS around 16.

Alain

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