David Megginson <[EMAIL PROTECTED]> said: > Jim Wilson wrote: > > > That is why the model code does not need to know where the CG is. The 3D > > model designer does need to know the FDM "origin" or "reference point" or > > whatever you want to call the vertex in space at which the FDM reports the > > lon/lat/alt of the aircraft. So if she puts the origin of the model (0,0,0) > > in that place, the 3D model will rotate correctly. > > Thanks -- your explanation and Jon's has made it all clear, and the > discussion has been useful. So, as far as I understand, JSBSim supports > this in JSBSim CVS but not yet in FlightGear. Does YASim support setting > the reference point yet?
Yes. In YASim, the 0,0,0 of the fuselage property is the origin. So if ax=0, ay=0, az=0 is used then the nose is origin in YASim. Best, Jim _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
