On Mon, Apr 14, 2008 at 12:55 PM, Melchior FRANZ wrote:
> * Curtis Olson -- Monday 14 April 2008:
> > Let's say I want to do a simple moving average ... so the new value is
> > (let's say) 9 parts the previous filtered value + 1 part of the latest
> > sensor reading. Doing that as a simple average though will glitch if
> your
> > values are coming in around 0/360.
>
> FlightGear has an aircraft.angular_lowpass() in
> $FG_ROOT/Nasal/aircraft.nas.
> It filters sin() and cos() separately, and builds the angle from that
> again.
> Worked well in my tests.
Interesting ... I hadn't thought of that approach.
Curt.
--
Curtis Olson: http://baron.flightgear.org/~curt/
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