Hi, On Montag, 22. MÃrz 2004 12:53, Martin Spott wrote: > "Jim Wilson" wrote: > > Martin Spott said: > >> I'm sorry to say this but I can't resist to note that some of the > >> changes in your patch reverted David's "the PA-28 rotates around it's > >> nose" corrections. > > > > I'm not aware of any difference of opinion Martin, but I will look into > > what you describe. > > Can anyone confirm the effect ? Yep, I can.
> I must admit that I find it a bit
> strange that it needed almost three discussion threads in the past
> until the probmlem was agreed upon as being really existent and now
> we're back at the starting point of the whole debate ....
Nothing wrong with the debate. Just noone cared about a misplaced 3d model.
The ac3d model of the pa-28 is misplaced as if the center of gravity is at the
nose tip. This, together with the fact that you allways look at the nose tip
(It is allways exactly in the center of your screen) leads to the described
effect.
I have attached a picture of the pa28 standing still on the runway. It shows
that the 3d model is misplaced at least in the heigth. But given that the
nose tip is painted where the center of gravity is (BTW: I assume that YASim
reports the center of gravity to flightgear, true?) it is also misplaced in
longitudinal direction.
I don't know YASim well enough to tell what needs to be done in detail.
But the 3d model needs to be shifted to somehwere else, either with ac3d, some
offsets in the model xml file or somewhere in the YASim configuration, if
this is possible.
With JSBSim you would now just configure the visual reference point to be at
the nose tip.
:)
Greetings
Mathias
--
Mathias FrÃhlich, email: [EMAIL PROTECTED]
<<attachment: pa28.jpg>>
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