That is kind of what I thought, given that the database entries are pitch/roll/heading rather than pitch/roll/yaw, I just wanted to be sure. It isn't too hard of a transformation to go from body referenced to earth referenced.
Jonathan Polley On Saturday, February 2, 2002, at 04:51 PM, Curtis L. Olson wrote: > There are a lot of conventions for doing this. Flightgear expects > these relative to the local 'up' vector. This is convenient for > positioning the view or positioning the 3d model of the aircraft. > > Regards, > > Curt. > > Jonathan Polley writes: >> I have been playing with the external FDM interface and noticed >> something strange, that I was able to verify with the magic carpet FDM. >> It appears that both pitch and yaw are earth relative and not aircraft >> body relative. I can pause the FDM, roll the aircraft to 90 degrees >> (using the properties menu) and I find that positive pitch moves me >> toward the sky and negative toward the ground (I chose 90 degrees >> because things are more exaggerated). I was expecting a change in >> aircraft pitch to equate to a change in heading, and conversely a >> change >> in aircraft yaw should give a change in pitch, WRT the earth. >> >> Am I expecting the right behavior or am I just confused? >> >> Thanks, >> >> Jonathan Polley >> >> >> _______________________________________________ >> Flightgear-devel mailing list >> [EMAIL PROTECTED] >> http://mail.flightgear.org/mailman/listinfo/flightgear-devel > > -- > Curtis Olson IVLab / HumanFIRST Program FlightGear Project > Twin Cities [EMAIL PROTECTED] [EMAIL PROTECTED] > Minnesota http://www.menet.umn.edu/~curt > http://www.flightgear.org > > _______________________________________________ > Flightgear-devel mailing list > [EMAIL PROTECTED] > http://mail.flightgear.org/mailman/listinfo/flightgear-devel _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
