Thank you for your help Jon,
Is there a way to fix this problem with the altitude on the runway? And
yes, I am using JSBSim planes.
Yes I did take a look in JSBSim.cxx - but without success. I tried to set
the initial conditions within the FGJSBSim()-function as well as within the
init(9 function - none of it worked.
Where should I place it?
Best,
Thomas
[EMAIL PROTECTED] escribió: -
Para: FlightGear developers discussions
flightgear-devel@lists.sourceforge.net
De: Jon S. Berndt [EMAIL PROTECTED]
Enviado por: [EMAIL PROTECTED]
Fecha: 05/12/2006 13:49
Asunto: Re: [Flightgear-devel] Initial conditions at reset
First, as I didnt notice before, the plane is hovering a few feet
above the
runway at start as soon as I specify an initial velocity. If I specify
the
initial velocity as zero, it stands on the ground, just as
normal. By using
the --notrim option in the command line, it shows up a few inches
below the
runway (similar as it is when specifiying --fdm=NULL). Whats the
reason for
this? Could it be somewhee in the trimming code?
If you are not trimming, then the aircraft may be placed initially at an
inappropriate altitude, considering where it's CG is defined, and where the
landing gear are defined to be touching. I'm assuming this is for some
JSBSim aircraft. The altitude that the aircraft is initially placed at
should be the vertical distance from the CG to the landing gear location.
Second, I m still not seeing clearly in the way the reset is processed...
Could anyone give me a hint as to where the FDM is initialized during the
reset process? Is the Initialize()-function in the FGState.cpp file still
involved at all? And if it is not, where does FG take its starting values
from and where could I tell it to load my initial conditions at
reset, too?
(while running FG with --notrim option)
Have you looked inside JSBSim.cxx? That's the interface between FlightGear
and JSBSim.
Jon
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