Altitude Above Ground

Question

Hi all,

I refer to the thread titled Altitude http://social.msdn.microsoft.com/Forums/en-US/ESP/thread/de65fd1c-aa27-45a7-821b-db3358f30185 with enquires regarding the simulation variables Plane Altitude and Plane Alt Above Ground.

What happen to me is that i tried to request for the simulation variable "Plane Alt Above Ground", and for one of the aircraft that i've created on the ground, simconnect returns an altitude of > 5 feets. (I was expecting a zero value since it is on ground).

Is there anything that i could have done wrongly here? Please advise.

Thanks
E.X

Answer 1

Have you considered that the 5 feet might represent the distance between the wheels' ground contact point and the aircraft model's reference datum?

Si

Answer 2

This is one of the possibility, was therefore asking to ensure that it wasn't a mistake on the way that i retrieve the altitude before making conclusions.

Thanks : )

E.X

Answer 3

E.X-

that is exactly what is going on. You'll need to request this information from your 3d modeler who will tell you the exact distance.

Also, keep in mind there's a strut compression factor at play here, so the distance reported will vary depending on compression - that can also be calculated with the strut animation frame if you're given strut compression distance info from your 3d modeler.

Answer 4

Simon, LK

Thanks for clear explanation. :)

E.X