On Mon, 29 Apr 2002 17:30:49 -0700, Andy Ross <[EMAIL PROTECTED]> wrote in message <[EMAIL PROTECTED]>:
> Curtis L. Olson wrote: > > Andy, I think YASim has a bug. :-) > > > > YASim: 0.000000 AGL > > 4.946215 ASL > > YASim is saying that the CG is exactly on the ground level > > which is physically impossible. It compensates by saying > > the ground level is 4.9' above the real ground level. I > > think this is a bug, but it probably looks ok visually. > > Believe it or not, this was actually intended as a feature. :) > > The MSL value that YASim supplies is the position of the nose of the > aircraft, and agrees with the other FDMs and with reality. But the > AGL is computed as the distance from the nearest gear tip to the > ground. This was done for things like radar altimeters and jetliner > annunciators -- the altitude of the 747 on the runway is something > like 100ft, which isn't right if what you're trying to drive is a > touchdown annunciation. > > I wasn't aware that anything was interpreting this as a "hard" > position anywhere. An AGL value seemed like a "soft", computed number > that I could fudge at will. ..leave it as is, or make it configurable. Put the above in the docs. ;-) -- ..med vennlig hilsen = with Kind Regards from Arnt... ;-) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
