Tony Peden writes: > > --- "Curtis L. Olson" <[EMAIL PROTECTED]> wrote: > > Jim Wilson writes: > > > Hope they disconnected the usb Flamethrower first > > :-) I'm getting the same > > > thing with CL77. Some screwy looking airstrip. > > There still seems to be some > > > problems with altitude between fg and jsbsim. A > > workaround is to add a > > > --alititude=(runway elevation) to the command > > line. > > > > > > This perhaps is a naive question, but why aren't > > we kicking in the FDM after > > > the plane is on the runway during initialization? > > > > We are actually doing this. We don't initialize the > > FDM until the > > scenery subsystem is reporting a valid ground > > elevation. However, for > > some starting locations it appears that the initial > > reported elevation > > is incorrect the first frame and then updated to the > > correct elevation > > the second frame. > > Did my 'fix' to fgFDMForceAltitude() get in to the > 0.7.9 release?
I'm working from CVS and I am still seeing this at CL77. However, I appear to have identified a flightgear bug which is initialization order dependent ... i.e. the first scenery elevation returned can some times be for the wrong location, giving the wrong altitude. Subsequent scenery elevations are correct because the various position values are all synced up by then. > > > It seems like there's a > > > lot of trouble trying to get an FDM synced up with > > scenery/airport data during > > > startup. Why is it that flightgear doesn't just > > put the plane where it goes > > > and dictate the coordinates at startup (or reset) > > and let the flight model > > > (re-)initialize with those values? It's pretty > > obvious that when there's a > > > gross discrepency in elevation data (as with CL77) > > the FDM has kicked in and > > > the plane is stalling and drifting down to the > > ground...hence the > > > "crash". > > > > Right, but we are already doing what you describe, > > the problem is that > > something isn't working quite right in all > > situations. > > > > Regards, > > > > Curt. > > -- > > 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 > > > > > > > __________________________________________________ > Do You Yahoo!? > Yahoo! Sports - Coverage of the 2002 Olympic Games > http://sports.yahoo.com > > _______________________________________________ > 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
