Le 19-02-28 à 13:25, MichaelJF a écrit :
> I commented the steam fog approximation out, so it rendered a little bit 
> faster. One sees two instances of the same object (it is the example 
> from the tutorials shipped with POV but in a box {-2,2 } instead of a 
> sphere). The only difference is
> 
> object { Sonne
>     scale <500,500,500>*5
>     translate MediaPos
> }
> 
> object { Sonne
>     translate <3,1,5>
> }
> 
> with MediaPos=< 649.685959 , 1442.616855 , 39968.697311 >
> 
> Obviously I will not use it in my scene. It's just a riddle I 
> encountered by chance. I played a little bit with intervals, samples, 
> variance, confidence but without any success. It seems to be due to the 
> scaling alone.
> 
> Best regards
> Michael
Hints :

Don't change intervals from the default of 1. Higher intervals count = 
slower render and may introduce artifacts.

Variance and confidence are used for sampling methods 1 and 2, and are 
not used with method 3 (default).

If you use two value for samples, the second will be silently ignored 
when using method 3.

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