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On 12.05.10 18:00, stevenvh wrote:
> This is a rather unpleasant surprise. Shouldn't we expect random numbers to have
> no direct relation with the previous number (or seed)?
No, not if you want your scenes to look the same very time you render them ;-)
> Without having done a statistical analysis consecutive random values seem to
> behave better. So it looks like there's just the relationship with the seed
> value.
> Time for a new seed function (seed2?) ?
No, because this is a perfectly normal, expected, and designed functionality
in POV-Ray. In fact, it is a property of all pseudo random number
generators. This property is shared by all software random number generators
that have no hardware source of randomness.
Thorsten
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