Am 15.09.2011 22:24, schrieb Stuart Buchanan:
>[...]
> This is a bit trickier to fix in concept, because we want there to be
> variation
> in the clouds between runs rather than generating exactly the same set
> of clouds if you start in the same location with the same weather.
yes, this is very desirable.
> [...]
> Unfortunately that will differ if a METAR update takes place between the
> different FG instances being started. Perhaps those running multiple FG
> instances on different machines could comment on whether this restriction
> would be acceptable?
Up to now, I have been running without real weather fetch, so METAR
updates are no problem at all. For the project here, we'll probably only
need to use fixed weather scenarios.
However, the sg_srandom_time_10() function also looks appealing. That
would give the same random seed for all processes started within the
same 10 minute interval, yet also vary every 10 minutes even with the
same METAR. Maybe even METAR updates are possible if an update re-seeds
from that function.
Best regards,
Andreas
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