Anders Gidenstam a écrit :
> Hi,
>
> Hasn't anyone noticed that the FDM model landing gears (in fact, the 
> whole FDM model) on the 737-300 is 9 meters behind the 3d model landing 
> gears?! I almost never fly jetliners but that there was an alignment 
> problem was obvious from the first glance in external view during taxing..
>
> It is pretty much invisible from cockpit view, though, so I can see how 
> serious pilots might not notice the problem.. :)
>
>
> I thought I had sent this patch last year, but it seems I might not have 
> done that.
>
> Anyway, here are two alternative ways of aligning the 3d model with the 
> FDM model:
>
> Alt.1. Adjust the visual reference point (VRP) in the JSBSim FDM config: 
> http://www.gidenstam.org/FlightGear/aircraft_updates/737-300-offsets-1.diff
>
>
> Alt.2. Adjust the offsets in the 3d model XML file. Note that one has
>          to modify the cockpit view location and usually also need to add a
>          corresponding target-z-offset to the external views to
>          make those look good with the repositioned 3d model.
> http://www.gidenstam.org/FlightGear/aircraft_updates/737-300-offsets-2.diff
>
>
> I think alternative 2. is preferable since it avoids the risk of 
> losing the VRP offset, should the FDM config be overwritten during a 
> future JSBSim update. The Alt.2. method also works for YASim aircraft, 
> should any of those need alignment.
>
> Silly (and old) postfix demo:
> http://www.gidenstam.org/FlightGear/aircraft_updates/fgfs-737-300_adjusted.jpg
> Try that with the 737-300 in CVS...
>
> Cheers,
>
> Anders
>   
Hi, same thing with the E3B and the KC135, 3d model is 21m before fdm.
here are the files i changed:
 http://janodesbois.free.fr/doc/Aircraft.tar.gz
( i used Alt. 2) if someone want to test and commit?
i don't know if that has an effect on visual distance aar works in mp 
mode, for the KC135. (not tested yet).

Cheers,

Jean

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