Re: [Flightgear-devel] JSBSim and airports

[Tony P. <ap...@ea...>]

On Thursday 14 June 2001 15:00, you wrote:
> > This bug has been mentioned a few times in passing, but I wanted to
> > bring it to the forefront.
> >
> > Whenever I start fgfs with the jsb fdm and specify an airport-id, I
> > fall into a black void every time.  If I had been paying attention, I
> > would have taken note of the day it started happening so I could
> > backtrack in CVS to find where it started.  But...I didn't.  My guess is
> > that this has been happening for about a month now.  [insert grain of
> > salt]
>
> Unfortunately - and as David mentions - this is likely an initialization
> problem. Tony deals with initialization, but he is very busy at the moment
> and I don't want to bother him with this for a little while.

Yes, I'm due to close on our new house -- our first -- the 25th.  

> OTOH, I really
> need to dig into this a bit more and understand it - and to some extent I
> have. However, the code on the FlightGear side that sets up the FDM
> initially and sets in motion the initializations (note the plural) is
> something I have not understood, yet. I have a hunch that JSBSim gets
> initialized properly at some point, but then is once again re-initialized
> superfluously and ambiguously and that's when things go screwy. The
> initialization is not optimal nor is it intuitive (to me). 

Do note that the trimming routine takes basically the same approach.

> Any help or
> explanation in this matter would go a long ways in helping us.
>
> Jon
>
>


-- 
Tony Peden
ap...@ea...
We all know Linux is great ... it does infinite loops in 5 seconds. 
-- attributed to Linus Torvalds